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- <style>/* keyboard - jQuery UI Widget */
-.ui-keyboard {
- text-align: center;
- padding: .3em;
- position: absolute;
- left: 0;
- top: 0;
- z-index: 16000;
- /* see issue #484 */
- -ms-touch-action: manipulation;
- touch-action: manipulation;
-}
-.ui-keyboard-has-focus {
- z-index: 16001;
-}
-.ui-keyboard div {
- font-size: 1.1em;
-}
-.ui-keyboard-button {
- height: 2em;
- min-width: 2em;
- margin: .1em;
- cursor: pointer;
- overflow: hidden;
- line-height: 2em;
- -moz-user-focus: ignore;
-}
-.ui-keyboard-button span {
- padding: 0;
- margin: 0;
- white-space: nowrap;
- display: inline-block;
-}
-.ui-keyboard-button-endrow {
- clear: left;
-}
-.ui-keyboard-space {
- width: 15em;
-}
-/* see http://nicolasgallagher.com/another-css-image-replacement-technique/ */
-.ui-keyboard-space span, .ui-keyboard-empty span {
- font: 0/0 a;
- text-shadow: none;
- color: transparent;
-}
-.ui-keyboard-preview-wrapper {
- text-align: center;
- position: relative;
- overflow: hidden;
-}
-/* width is calculated in IE, since 99% = 99% full browser width =( */
-.ui-keyboard-preview {
- text-align: left;
- margin: 0 0 3px 0;
- display: inline;
- width: 99%;
-}
-.ui-keyboard-keyset {
- text-align: center;
- white-space: nowrap;
-}
-.ui-keyboard-input {
- text-align: left;
-}
-.ui-keyboard-input-current {
- -moz-box-shadow: 0 0 5px #4d90fe;
- -webkit-box-shadow: 0 0 5px #4d90fe;
- box-shadow: 0 0 5px #4d90fe;
-}
-.ui-keyboard-placeholder {
- color: #888;
-}
-/* disabled or readonly inputs, or use
- input[disabled='disabled'] { color: #f00; } */
-.ui-keyboard-nokeyboard {
- color: #888;
- border-color: #888;
-}
-.ui-keyboard-spacer {
- display: inline-block;
- width: 1px;
- height: 0;
- cursor: default;
-}
-
-.ui-keyboard-NBSP span, .ui-keyboard-ZWSP span, .ui-keyboard-ZWNJ span,
-.ui-keyboard-ZWJ span, .ui-keyboard-LRM span, .ui-keyboard-RLM span {
- font-size: 0.5em;
- line-height: 1.5em;
- white-space: normal;
-}
-
-/* combo key styling - toggles diacritics on/off */
-.ui-keyboard-button.ui-keyboard-combo.ui-state-default {
- border-color: #ffaf0f;
-}
-
-/* (in)valid inputs */
-button.ui-keyboard-accept.ui-keyboard-valid-input {
- border-color: #0c0;
- background: #080;
- color: #fff;
-}
-button.ui-keyboard-accept.ui-keyboard-valid-input:not([disabled]):hover {
- background: #0a0;
-}
-button.ui-keyboard-accept.ui-keyboard-invalid-input {
- border-color: #c00;
- background: #800;
- color: #fff;
- opacity: 0.5;
- filter: alpha(opacity=50);
-}
-button.ui-keyboard-accept.ui-keyboard-invalid-input:not([disabled]):hover {
- background: #a00;
-}
-
-/*** Caret extension definition ***/
-/* margin-top => is added to the caret height (top & bottom) */
-.ui-keyboard-caret {
- background: #c00;
- width: 1px;
- margin-top: 3px;
-}
-
-/*** jQuery Mobile definitions ***/
-/* jQuery Mobile styles - need wider buttons because of font size and
- text-overflow:ellipsis */
-div.ui-body.ui-keyboard button.ui-keyboard-button.ui-btn {
- padding: 0.5em 1em;
- border-color: transparent;
-}
-.ui-body .ui-keyboard-button {
- width: 3em;
- height: 3em;
- display: inline-block;
-}
-.ui-body .ui-keyboard-widekey {
- width: 5.5em;
-}
-.ui-body .ui-keyboard-space {
- width: 15em;
-}
-.ui-body .ui-keyboard-space span {
- visibility: hidden; /* hides the ellipsis */
-}
-.ui-body .ui-keyboard-keyset {
- line-height: 0.5em;
-}
-.ui-body input.ui-input-text, .ui-body textarea.ui-input-text {
- width: 95%;
-}
-
-/* over-ride padding set by mobile ui theme - needed because the mobile script
- wraps button text with several more spans */
-.ui-body .ui-btn-inner {
- height: 2em;
- padding: 0.2em 0;
- margin: 0;
-}
-.ui-body .ui-btn {
- margin: 0;
- font-size: 13px; /* mobile default size is 13px */
-}
-
-/* override Bootstrap excessive button padding */
-button.ui-keyboard-button.btn {
- padding: 1px 6px;
-}
-
-/* enable/disable icons */
-button.ui-keyboard-toggle span {
- width: .8em;
- height: .8em;
- display: inline-block;
- background-repeat: no-repeat;
- background-position: center center;
- background-size: contain;
-}
-/* unlocked icon (keyboard enabled) */
-button.ui-keyboard-toggle span {
- /* light theme unlocked icon - fill: #111 */
- background-image: url(data:image/svg+xml;base64,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);
-}
-.ui-keyboard-dark-theme button.ui-keyboard-toggle span {
- /* dark theme unlocked icon - fill: #eee */
- background-image: url(data:image/svg+xml;base64,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);
-}
-
-/* locked icon (keyboard disabled) */
-button.ui-keyboard-toggle.ui-keyboard-disabled span {
- /* light theme locked icon - fill: #111 */
- background-image: url(data:image/svg+xml;base64,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);
-}
-.ui-keyboard-dark-theme button.ui-keyboard-toggle.ui-keyboard-disabled span {
- /* dark theme locked icon - fill: #eee */
- background-image: url(data:image/svg+xml;base64,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);
-}
-
-.ui-keyboard.ui-keyboard-disabled button:not(.ui-keyboard-toggle),
-.ui-keyboard.ui-keyboard-disabled input {
- opacity: 0.5;
-}
-
-/*** Alt-Keys Popup extension ***/
-/* clickable overlay on top of keyboard to hide the popup */
-.ui-keyboard-overlay {
- position: absolute;
- top: 0;
- left: 0;
- bottom: 0;
- right: 0;
- background: rgba(0, 0, 0, 0.5);
-}
-/* the actual popup styling, class names from the css.container option are also
- added */
-.ui-keyboard-popup {
- display: inline-block;
- /* default buttons are 2em wide + .1em margin on either side (set in
- .ui-keyboard-button definition); so use multiples of 2.2em for a max-width
- if you don't want any extra white space on the sides, e.g.
- 5 buttons * 2.2em = 11em,
- 6 buttons * 2.2em = 13.2em, etc
- */
- max-width: 22em; /* 10 buttons */
-}
-
-/*** Extender keyboard extension ***/
-div.ui-keyboard-extender {
- margin-left: 5px;
-}
-button.ui-keyboard-extender span {
- width: .9em;
- height: .9em;
- display: inline-block;
- margin-bottom: 3px;
- background-repeat: no-repeat;
- background-position: center center;
- background-size: contain;
- /* light theme extender icon - fill: #111 */
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<meta content="Mnemonic code for generating deterministic keys" name="description"/>
<meta content="width=device-width, initial-scale=1.0" name="viewport" />
<meta content="bitcoin mnemonic converter" name="description" />
border-bottom: 1px dashed #000;
text-decoration: none;
}
+ .version {
+ position: absolute;
+ top: 5px;
+ right: 5px;
+ }
</style>
</head>
<body>
<div class="container">
<h1 class="text-center">Mnemonic Code Converter</h1>
+ <p class="version">v0.2.7</p>
<hr>
<div class="row">
<div class="col-md-12">
<div class="form-group">
<div class="col-sm-2"></div>
<div class="col-sm-10">
- <p data-translate>You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum).</p>
- <p data-translate-html>
+ <p>You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum).</p>
+ <p>
For more info see the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki" target="_blank">BIP39 spec</a>.
</p>
<div class="col-sm-10">
<div class="form-inline">
<div class="input-group-inline">
- <span data-translate>Generate a random mnemonic, or enter your own below</span>:
+ <span>Generate a random mnemonic, or enter your own below</span>:
<button class="btn generate">Generate</button>
<select id="strength" class="strength form-control">
<option value="3">3</option>
<option value="21">21</option>
<option value="24">24</option>
</select>
- <span data-translate>words</span>
+ <span>words</span>
</div>
</div>
</div>
</div>
<div class="entropy-container hidden">
<div class="form-group text-danger">
- <label class="col-sm-2 control-label" data-translate>Warning</label>
+ <label class="col-sm-2 control-label">Warning</label>
<div class="col-sm-10 form-control-static">
- <span data-translate>Entropy is an advanced feature. Your mnemonic may be insecure if this feature is used incorrectly.</span>
- <a href="#entropy-notes" data-translate>Read more</a>
+ <span>Entropy is an advanced feature. Your mnemonic may be insecure if this feature is used incorrectly.</span>
+ <a href="#entropy-notes">Read more</a>
</div>
</div>
<div class="form-group">
- <label for="entropy" class="col-sm-2 control-label" data-translate>Entropy</label>
+ <label for="entropy" class="col-sm-2 control-label">Entropy</label>
<div class="col-sm-7">
- <textarea id="entropy" rows="2" class="entropy form-control virtual-keyboard" placeholder="Accepts binary, base 6, 6-sided dice, base 10, hexadecimal, cards" data-translate-placeholder></textarea>
+ <textarea id="entropy" rows="2" class="entropy form-control" placeholder="Accepts either binary, base 6, 6-sided dice, base 10, hexadecimal or cards"></textarea>
+ <div class="row filter-warning text-danger hidden">
+ <p class="col-sm-12">
+ <strong>
+ Some characters have been discarded
+ </strong>
+ </p>
+ </div>
<div class="row">
- <label class="col-sm-3 control-label" data-translate>Strength</label>
- <div class="strength col-sm-3 form-control-static"></div>
- <label class="col-sm-3 control-label" data-translate>Event Count</label>
+ <label class="col-sm-3 control-label"><span class="more-info" title="Based on estimates from zxcvbn using Filtered Entropy">Time To Crack</span></label>
+ <div class="crack-time col-sm-3 form-control-static"></div>
+ <label class="col-sm-3 control-label">Event Count</label>
<div class="event-count col-sm-3 form-control-static"></div>
</div>
<div class="row">
- <label class="col-sm-3 control-label" data-translate>Entropy Type</label>
+ <label class="col-sm-3 control-label">Entropy Type</label>
<div class="type col-sm-3 form-control-static"></div>
- <label class="col-sm-3 control-label" data-translate>Bits Per Event</label>
+ <label class="col-sm-3 control-label">Bits Per Event</label>
<div class="bits-per-event col-sm-3 form-control-static"></div>
</div>
<div class="row">
- <label class="col-sm-3 control-label" data-translate>Word Count</label>
+ <label class="col-sm-3 control-label">Raw Entropy Words</label>
<div class="word-count col-sm-3 form-control-static"></div>
- <label class="col-sm-3 control-label" data-translate><span class="more-info" data-translate-title title="Total bits of entropy may be less than indicated if any entropy event uses a weak source.">Total Bits</span></label>
+ <label class="col-sm-3 control-label"><span class="more-info" title="Total bits of entropy may be less than indicated if any entropy event uses a weak source.">Total Bits</span></label>
<div class="bits col-sm-3 form-control-static"></div>
</div>
- <label class="col-sm-3 control-label" data-translate>Filtered Entropy</label>
+ <label class="col-sm-3 control-label">Filtered Entropy</label>
<div class="filtered col-sm-9 form-control-static"></div>
- <label class="col-sm-3 control-label" data-translate>Raw Binary</label>
+ <label class="col-sm-3 control-label">Raw Binary</label>
<div class="binary col-sm-9 form-control-static"></div>
- <label class="col-sm-3 control-label" data-translate>Mnemonic Length</label>
+ <label class="col-sm-3 control-label">Mnemonic Length</label>
<div class="col-sm-9">
<select class="mnemonic-length form-control">
- <option value="raw" selected data-translate>Use Raw Entropy (3 words per 32 bits)</option>
- <option value="12">12 <span data-translate>Words</span></option>
- <option value="15">15 <span data-translate>Words</option>
- <option value="18">18 <span data-translate>Words</span></option>
- <option value="21">21 <span data-translate>Words</span></option>
- <option value="24">24 <span data-translate>Words</span></option>
+ <option value="raw" selected>Use Raw Entropy (3 words per 32 bits)</option>
+ <option value="12">12 <span>Words</span></option>
+ <option value="15">15 <span>Words</option>
+ <option value="18">18 <span>Words</span></option>
+ <option value="21">21 <span>Words</span></option>
+ <option value="24">24 <span>Words</span></option>
</select>
</div>
</div>
<div class="col-sm-3">
- <p data-translate>Valid entropy values include:</p>
+ <p>Valid entropy values include:</p>
<ul>
- <li><strong data-translate>Binary</strong> [0-1]<br>101010011</li>
- <li><strong data-translate>Base 6</strong> [0-5]<br>123434014</li>
- <li><strong data-translate>Dice</strong> [1-6]<br>62535634</li>
- <li><strong data-translate>Base 10</strong> [0-9]<br>90834528</li>
- <li><strong data-translate>Hex</strong> [0-9A-F]<br>4187a8bfd9</li>
- <li><strong data-translate>Card</strong> [A2-9TJQK][CDHS]<br>ahqs9dtc</li>
+ <li><strong>Binary</strong> [0-1]<br>101010011</li>
+ <li><strong>Base 6</strong> [0-5]<br>123434014</li>
+ <li><strong>Dice</strong> [1-6]<br>62535634</li>
+ <li><strong>Base 10</strong> [0-9]<br>90834528</li>
+ <li><strong>Hex</strong> [0-9A-F]<br>4187a8bfd9</li>
+ <li><strong>Card</strong> [A2-9TJQK][CDHS]<br>ahqs9dtc</li>
</ul>
</div>
</div>
<div class="col-sm-10 checkbox">
<label>
<input type="checkbox" class="use-entropy">
- <span data-translate>Supply my own source of entropy</span>
+ <span>Supply my own source of entropy</span>
</label>
</div>
</div>
<div class="form-group">
- <label class="col-sm-2 control-label" data-translate>Mnemonic Language</label>
+ <label class="col-sm-2 control-label">Mnemonic Language</label>
<div class="col-sm-10 languages">
<div class="form-control no-border">
<a href="#english">English</a>
</div>
</div>
<div class="form-group">
- <label for="phrase" class="col-sm-2 control-label" data-translate>BIP39 Mnemonic</label>
+ <label for="phrase" class="col-sm-2 control-label">BIP39 Mnemonic</label>
<div class="col-sm-10">
<textarea id="phrase" class="phrase form-control" data-show-qr></textarea>
</div>
</div>
<div class="form-group">
- <label for="passphrase" class="col-sm-2 control-label" data-translate>BIP39 Passphrase (optional)</label>
+ <label for="passphrase" class="col-sm-2 control-label">BIP39 Passphrase (optional)</label>
<div class="col-sm-10">
<textarea id="passphrase" class="passphrase form-control"></textarea>
</div>
</div>
<div class="form-group">
- <label for="seed" class="col-sm-2 control-label" data-translate>BIP39 Seed</label>
+ <label for="seed" class="col-sm-2 control-label">BIP39 Seed</label>
<div class="col-sm-10">
<textarea id="seed" class="seed form-control" readonly="readonly" data-show-qr></textarea>
</div>
</div>
<div class="form-group">
- <label for="network-phrase" class="col-sm-2 control-label" data-translate>Coin</label>
+ <label for="network-phrase" class="col-sm-2 control-label">Coin</label>
<div class="col-sm-10">
<select id="network-phrase" class="network form-control">
<!-- populated by javascript -->
</div>
</div>
<div class="form-group">
- <label for="root-key" class="col-sm-2 control-label" data-translate>BIP32 Root Key</label>
+ <label for="root-key" class="col-sm-2 control-label">BIP32 Root Key</label>
<div class="col-sm-10">
<textarea id="root-key" class="root-key form-control" data-show-qr></textarea>
</div>
</div>
+ <div class="form-group litecoin-ltub-container hidden">
+ <label for="litecoin-use-ltub" class="col-sm-2 control-label">Prefixes</label>
+ <div class="col-sm-10 checkbox">
+ <label>
+ <input type="checkbox" id="litecoin-use-ltub" class="litecoin-use-ltub">
+ Use <code>Ltpv / Ltub</code> instead of <code>xprv / xpub</code>
+ </label>
+ </div>
+ </div>
</form>
</div>
</div>
<div class="col-md-12">
<h2>Derivation Path</h2>
<ul class="derivation-type nav nav-tabs" role="tablist">
+ <li id="bip32-tab">
+ <a href="#bip32" role="tab" data-toggle="tab">BIP32</a>
+ </li>
<li id="bip44-tab" class="active">
<a href="#bip44" role="tab" data-toggle="tab">BIP44</a>
</li>
- <li id="bip32-tab">
- <a href="#bip32" role="tab" data-toggle="tab">BIP32</a>
+ <li id="bip49-tab">
+ <a href="#bip49" role="tab" data-toggle="tab">BIP49</a>
</li>
</ul>
<div class="derivation-type tab-content">
<br>
<div class="col-sm-2"></div>
<div class="col-sm-10">
- <p data-translate-html>
+ <p>
For more info see the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki" target="_blank">BIP44 spec</a>.
</p>
</div>
<div class="form-group">
<label for="purpose" class="col-sm-2 control-label">
- <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#purpose" target="_blank" data-translate>Purpose</a>
+ <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#purpose" target="_blank">Purpose</a>
</label>
<div class="col-sm-10">
- <input id="purpose" type="text" class="purpose form-control" value="44">
+ <input id="purpose" type="text" class="purpose form-control" value="44" readonly>
</div>
</div>
<div class="form-group">
<label for="coin" class="col-sm-2 control-label">
- <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#registered-coin-types" target="_blank" data-translate>Coin</a>
+ <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#registered-coin-types" target="_blank">Coin</a>
</label>
<div class="col-sm-10">
- <input id="coin" type="text" class="coin form-control" value="0">
+ <input id="coin" type="text" class="coin form-control" value="0" readonly>
</div>
</div>
<div class="form-group">
<label for="account" class="col-sm-2 control-label">
- <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#account" target="_blank" data-translate>Account</a>
+ <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#account" target="_blank">Account</a>
</label>
<div class="col-sm-10">
<input id="account" type="text" class="account form-control" value="0">
</div>
<div class="form-group">
<label for="change" class="col-sm-2 control-label">
- <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#change" target="_blank" data-translate>External / Internal</a>
+ <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#change" target="_blank">External / Internal</a>
</label>
<div class="col-sm-10">
<input id="change" type="text" class="change form-control" value="0">
<label class="col-sm-2 control-label">
</label>
<div class="col-sm-10">
- <p data-translate>The account extended keys can be used for importing to most BIP44 compatible wallets, such as mycelium or electrum.</p>
+ <p>The account extended keys can be used for importing to most BIP44 compatible wallets, such as mycelium or electrum.</p>
</div>
</div>
<div class="form-group">
<label for="account-xprv" class="col-sm-2 control-label">
- <span data-translate>Account Extended Private Key</span>
+ <span>Account Extended Private Key</span>
</label>
<div class="col-sm-10">
<textarea id="account-xprv" type="text" class="account-xprv form-control" readonly data-show-qr></textarea>
</div>
<div class="form-group">
<label for="account-xpub" class="col-sm-2 control-label">
- <span data-translate>Account Extended Public Key</span>
+ <span>Account Extended Public Key</span>
</label>
<div class="col-sm-10">
<textarea id="account-xpub" type="text" class="account-xpub form-control" readonly data-show-qr></textarea>
<label class="col-sm-2 control-label">
</label>
<div class="col-sm-10">
- <p data-translate>The BIP32 derivation path and extended keys are the basis for the derived addresses.</p>
+ <p>The BIP32 derivation path and extended keys are the basis for the derived addresses.</p>
</div>
</div>
<div class="form-group">
- <label for="bip44-path" class="col-sm-2 control-label" data-translate>BIP32 Derivation Path</label>
+ <label for="bip44-path" class="col-sm-2 control-label">BIP32 Derivation Path</label>
<div class="col-sm-10">
<input id="bip44-path" type="text" class="path form-control" value="m/44'/0'/0'/0" readonly="readonly">
</div>
<br>
<div class="col-sm-2"></div>
<div class="col-sm-10">
- <p data-translate>
+ <p>
For more info see the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki" target="_blank">BIP32 spec</a>
</p>
</div>
<div class="form-group">
- <label for="bip32-client" class="col-sm-2 control-label" data-translate>Client</label>
+ <label for="bip32-client" class="col-sm-2 control-label">Client</label>
<div class="col-sm-10">
<select id="bip32-client" class="client form-control">
<option value="custom">Custom derivation path</option>
</div>
</div>
<div class="form-group">
- <label for="bip32-path" class="col-sm-2 control-label" data-translate>BIP32 Derivation Path</label>
+ <label for="bip32-path" class="col-sm-2 control-label">BIP32 Derivation Path</label>
<div class="col-sm-10">
<input id="bip32-path" type="text" class="path form-control" value="m/0">
</div>
<div class="col-sm-2"></div>
<label class="col-sm-10">
<input class="hardened-addresses" type="checkbox">
- <span data-translate>Use hardened addresses</span>
+ <span>Use hardened addresses</span>
+ </label>
+ </div>
+ <div class="form-group">
+ <div class="col-sm-2"></div>
+ <label class="col-sm-10">
+ <input class="p2wpkh-nested-in-p2sh" type="checkbox">
+ <span>Use SegWit addresses (ie P2WPKH Nested In P2SH)</span>
</label>
</div>
<div class="form-group">
- <label for="core-path" class="col-sm-2 control-label" data-translate>Bitcoin Core</label>
+ <label for="core-path" class="col-sm-2 control-label">Bitcoin Core</label>
<div class="col-sm-10">
- <p class="form-control no-border" data-translate-html>
+ <p class="form-control no-border">
Use path <code>m/0'/0'</code> with hardened addresses.
</p>
- <p class="form-control no-border" data-translate-html>
+ <p class="form-control no-border">
For more info see the
<a href="https://github.com/bitcoin/bitcoin/pull/8035" target="_blank">Bitcoin Core BIP32 implementation</a>
</p>
</div>
</div>
<div class="form-group">
- <label for="core-path" class="col-sm-2 control-label" data-translate>Multibit</label>
+ <label for="core-path" class="col-sm-2 control-label">Multibit</label>
<div class="col-sm-10">
<p class="form-control no-border">
- <span data-translate-html>Use path <code>m/0'/0</code>.</span>
+ <span>Use path <code>m/0'/0</code>.</span>
</p>
<p class="form-control no-border">
- <span data-translate>For more info see</span>
+ <span>For more info see</span>
<a href="https://multibit.org/" target="_blank">MultiBit HD</a>
</p>
</div>
</div>
<div class="form-group">
- <label class="col-sm-2 control-label" data-translate>Block Explorers</label>
+ <label class="col-sm-2 control-label">Block Explorers</label>
<div class="col-sm-10">
<p class="form-control no-border">
- <span data-translate-html>Use path <code>m/44'/0'/0'</code>.</span>
- <span data-translate-html>Only enter the <code>xpub</code> extended key into block explorer search fields, never the <code>xprv</code> key.</span>
+ <span>Use path <code>m/44'/0'/0'</code>.</span>
+ <span>Only enter the <code>xpub</code> extended key into block explorer search fields, never the <code>xprv</code> key.</span>
</p>
<p class="form-control no-border">
- <span data-translate>Can be used with</span>:
+ <span>Can be used with</span>:
<a href="https://blockchain.info/" target="_blank">blockchain.info</a>
</p>
</div>
</div>
</form>
</div>
+ <div id="bip49" class="tab-pane">
+ <form class="form-horizontal" role="form">
+ <br>
+ <div class="unavailable hidden">
+ <div class="form-group">
+ <div class="col-sm-2"></div>
+ <div class="col-sm-10">
+ <p>BIP49 is unavailable for this coin.</p>
+ </div>
+ </div>
+ </div>
+ <div class="available">
+ <div class="col-sm-2"></div>
+ <div class="col-sm-10">
+ <p>
+ For more info see the
+ <a href="https://github.com/bitcoin/bips/blob/master/bip-0049.mediawiki" target="_blank">BIP49 spec</a>.
+ </p>
+ </div>
+ <div class="form-group">
+ <label for="purpose" class="col-sm-2 control-label">
+ <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#purpose" target="_blank">Purpose</a>
+ </label>
+ <div class="col-sm-10">
+ <input id="purpose" type="text" class="purpose form-control" value="49" readonly>
+ </div>
+ </div>
+ <div class="form-group">
+ <label for="coin" class="col-sm-2 control-label">
+ <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#registered-coin-types" target="_blank">Coin</a>
+ </label>
+ <div class="col-sm-10">
+ <input id="coin" type="text" class="coin form-control" value="0" readonly>
+ </div>
+ </div>
+ <div class="form-group">
+ <label for="account" class="col-sm-2 control-label">
+ <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#account" target="_blank">Account</a>
+ </label>
+ <div class="col-sm-10">
+ <input id="account" type="text" class="account form-control" value="0">
+ </div>
+ </div>
+ <div class="form-group">
+ <label for="change" class="col-sm-2 control-label">
+ <a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#change" target="_blank">External / Internal</a>
+ </label>
+ <div class="col-sm-10">
+ <input id="change" type="text" class="change form-control" value="0">
+ </div>
+ </div>
+ <div class="form-group">
+ <label class="col-sm-2 control-label">
+ </label>
+ <div class="col-sm-10">
+ <p>The account extended keys can be used for importing to most BIP49 compatible wallets.</p>
+ </div>
+ </div>
+ <div class="form-group">
+ <label for="account-xprv" class="col-sm-2 control-label">
+ <span>Account Extended Private Key</span>
+ </label>
+ <div class="col-sm-10">
+ <textarea id="account-xprv" type="text" class="account-xprv form-control" readonly data-show-qr></textarea>
+ </div>
+ </div>
+ <div class="form-group">
+ <label for="account-xpub" class="col-sm-2 control-label">
+ <span>Account Extended Public Key</span>
+ </label>
+ <div class="col-sm-10">
+ <textarea id="account-xpub" type="text" class="account-xpub form-control" readonly data-show-qr></textarea>
+ </div>
+ </div>
+ <div class="form-group">
+ <label class="col-sm-2 control-label">
+ </label>
+ <div class="col-sm-10">
+ <p>The BIP32 derivation path and extended keys are the basis for the derived addresses.</p>
+ </div>
+ </div>
+ <div class="form-group">
+ <label for="bip49-path" class="col-sm-2 control-label">BIP32 Derivation Path</label>
+ <div class="col-sm-10">
+ <input id="bip49-path" type="text" class="path form-control" value="m/49'/0'/0'/0" readonly="readonly">
+ </div>
+ </div>
+ </div>
+ </form>
+ </div>
</div>
<form class="form-horizontal" role="form">
<div class="form-group">
- <label for="extended-priv-key" class="col-sm-2 control-label" data-translate>BIP32 Extended Private Key</label>
+ <label for="extended-priv-key" class="col-sm-2 control-label">BIP32 Extended Private Key</label>
<div class="col-sm-10">
<textarea id="extended-priv-key" class="extended-priv-key form-control" readonly="readonly" data-show-qr></textarea>
</div>
</div>
<div class="form-group">
- <label for="extended-pub-key" class="col-sm-2 control-label" data-translate>BIP32 Extended Public Key</label>
+ <label for="extended-pub-key" class="col-sm-2 control-label">BIP32 Extended Public Key</label>
<div class="col-sm-10">
<textarea id="extended-pub-key" class="extended-pub-key form-control" readonly="readonly" data-show-qr></textarea>
</div>
<div class="row">
<div class="col-md-12">
<h2>Derived Addresses</h2>
- <p data-translate>Note these addreses are derived from the BIP32 Extended Key</p>
+ <p>Note these addreses are derived from the BIP32 Extended Key</p>
<table class="table table-striped">
<thead>
<th>
<div class="input-group">
- <span data-translate>Path</span>
- <button class="index-toggle" data-translate>Toggle</button>
+ <span>Path</span>
+ <button class="index-toggle">Toggle</button>
</div>
</th>
<th>
<div class="input-group">
- <span data-translate>Address</span>
- <button class="address-toggle" data-translate>Toggle</button>
+ <span>Address</span>
+ <button class="address-toggle">Toggle</button>
</div>
</th>
<th>
<div class="input-group">
- <span data-translate>Public Key</span>
- <button class="public-key-toggle" data-translate>Toggle</button>
+ <span>Public Key</span>
+ <button class="public-key-toggle">Toggle</button>
</div>
</th>
<th>
<div class="input-group">
- <span data-translate>Private Key</span>
- <button class="private-key-toggle" data-translate>Toggle</button>
+ <span>Private Key</span>
+ <button class="private-key-toggle">Toggle</button>
</div>
</th>
</thead>
</table>
</div>
</div>
- <span data-translate>Show more rows</span>:
+ <span>Show more rows</span>:
<input type="number" class="rows-to-add" value="20">
- <button class="more" data-translate>Show</button>
+ <button class="more">Show</button>
<hr>
<div class="row">
<div class="col-md-12">
- <h2 data-translate>More info</h2>
- <h3>BIP39 <span class="small" data-translate>Mnemonic code for generating deterministic keys</span></h3>
- <p data-translate-html>
+ <h2>More info</h2>
+ <h3>BIP39 <span class="small">Mnemonic code for generating deterministic keys</span></h3>
+ <p>
Read more at the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki">official BIP39 spec</a>
</p>
- <h3>BIP32 <span class="small" data-translate>Hierarchical Deterministic Wallets</span></h3>
- <p data-translate-html>
+ <h3>BIP32 <span class="small">Hierarchical Deterministic Wallets</span></h3>
+ <p>
Read more at the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki" target="_blank">official BIP32 spec</a>
</p>
- <p data-translate-html>
+ <p>
See the demo at
<a href="http://bip32.org/" target="_blank">bip32.org</a>
</p>
- <h3>BIP44 <span class="small" data-translate>Multi-Account Hierarchy for Deterministic Wallets</span></h3>
- <p data-translate-html>
+ <h3>BIP44 <span class="small">Multi-Account Hierarchy for Deterministic Wallets</span></h3>
+ <p>
Read more at the
<a href="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki" target="_blank">official BIP44 spec</a>
</p>
- <h3 data-translate>Private Keys</h3>
+ <h3>BIP49 <span class="small">Derivation scheme for P2WPKH-nested-in-P2SH based accounts</span></h3>
+ <p>
+ Read more at the
+ <a href="https://github.com/bitcoin/bips/blob/master/bip-0049.mediawiki" target="_blank">official BIP49 spec</a>
+ </p>
+ <h3>Private Keys</h3>
<p>
- <span data-translate-html>
+ <span>
Use private keys at
<a href="https://web.archive.org/web/20150707020924/https://brainwallet.org/" target="_blank">brainwallet.org</a>.
</span>
- <span data-translate>Be careful - it can be easy to make mistakes if you don't know what you're doing.</span>
+ <span>Be careful - it can be easy to make mistakes if you don't know what you're doing.</span>
</p>
- <h3 id="entropy-notes" data-translate>Entropy</h3>
+ <h3 id="entropy-notes">Entropy</h3>
<p>
- <span data-translate-html>
+ <span>
Entropy values must be sourced from a
<a href="https://en.wikipedia.org/wiki/Random_number_generation" target="_blank">strong source of randomness</a>.
</span>
- <span data-translate>This means flipping a fair coin, rolling a fair dice, noise measurements etc.</span>
- <span data-translate-html>
+ <span>This means flipping a fair coin, rolling a fair dice, noise measurements etc.</span>
+ <span>
Do <strong>NOT</strong> use phrases from books, lyrics from songs, your birthday or steet address,
keyboard mashing, or anything you <i>think</i> is random, because chances are overwhelming it isn't
random enough for the needs of this tool.
</span>
</p>
<p>
- <strong><span data-translate>Do not store entropy.</span></strong>
+ <strong><span>Do not store entropy.</span></strong>
</p>
<p>
- <span data-translate>Storing entropy (such as keeping a deck of cards in a specific shuffled order) is unreliable compared to storing a mnemonic.</span>
- <span data-translate>Instead of storing entropy, store the mnemonic generated from the entropy.</span>
- <span
data-translate-html><a href="https://en.wikipedia.org/wiki/Steganography#Physical" target="_blank">Steganography</a> may be beneficial when storing the mnemonic.</span>
+ <span>Storing entropy (such as keeping a deck of cards in a specific shuffled order) is unreliable compared to storing a mnemonic.</span>
+ <span>Instead of storing entropy, store the mnemonic generated from the entropy.</span>
+ <span><a href="https://en.wikipedia.org/wiki/Steganography#Physical" target="_blank">Steganography</a> may be beneficial when storing the mnemonic.</span>
</p>
<p>
- <span data-translate-html>
+ <span>
The random mnemonic generator on this page uses a
<a href="https://developer.mozilla.org/en-US/docs/Web/API/RandomSource/getRandomValues" target="_blank">cryptographically secure random number generator</a>.
</span>
- <span data-translate>The built in random generator can generally be trusted more than your own intuition about randomness.</span>
- <span data-translate>If cryptographic randomness isn't available in your browser, this page will show a warning and the generate button will not work.</span>
- <span data-translate>In that case you might choose to use your own source of entropy.</span>
+ <span>The built in random generator can generally be trusted more than your own intuition about randomness.</span>
+ <span>If cryptographic randomness isn't available in your browser, this page will show a warning and the generate button will not work.</span>
+ <span>In that case you might choose to use your own source of entropy.</span>
</p>
<p>
- <a href="https://bitcointalk.org/index.php?topic=311000.msg3345309#msg3345309" target="_blank" data-translate>You are not a good source of entropy.</a>
+ <a href="https://bitcointalk.org/index.php?topic=311000.msg3345309#msg3345309" target="_blank">You are not a good source of entropy.</a>
</p>
- <h3 data-translate>License</h3>
+ <h3>License</h3>
<p>
- <span
data-translate-html>Please refer to <a href="https://github.com/iancoleman/bip39/blob/master/LICENSE" target="_blank">the software license</a> for more detail.
+ <span>Please refer to <a href="https://github.com/iancoleman/bip39/blob/master/LICENSE" target="_blank">the software license</a> for more detail.
</span>
</p>
- <p data-translate>The software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the software.</p>
+ <p>The software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the software.</p>
+ </div>
+ </div>
+
+ <hr>
+
+ <div class="row">
+ <div class="col-md-12">
+ <h2>Alternative Tools</h2>
+ <p>This tool is interoperable with any BIP39 wallet.</p>
+ <p>Some similar tools to this one (ie not consumer wallets) are</p>
+ <p>
+ <a href="https://bip32jp.github.io/english/">
+ https://bip32jp.github.io/english/
+ </a>
+ </p>
</div>
</div>
<div class="row">
<div class="col-md-12">
- <h2 data-translate>Offline Usage</h2>
+ <h2>Offline Usage</h2>
- <p data-translate>
+ <p>
You can use this tool without having to be online.
</p>
- <p data-translate>
+ <p>
In your browser, select file save-as, and save this page
as a file.
</p>
- <p data-translate>
+ <p>
Double-click that file to open it in a browser
on any offline computer.
</p>
<p>
- <span data-translate>Alternatively, download the file from the repository</span>
+ <span>Alternatively, download the file from the repository</span>
-
<a href="https://github.com/iancoleman/bip39">https://github.com/iancoleman/bip39</a>
</p>
<div class="row">
<div class="col-md-12">
- <h2 data-translate>This project is 100% open-source code</h2>
+ <h2>This project is 100% open-source code</h2>
<p>
- <span data-translate>Get the source code from the repository</span>
+ <span>Get the source code from the repository</span>
-
<a href="https://github.com/iancoleman/bip39" target="_blank">
https://github.com/iancoleman/bip39
</a>
</p>
- <h3 data-translate>Libraries</h3>
+ <h3>Libraries</h3>
<p>
<span>BitcoinJS - </span>
</div>
<div class="qr-container hidden">
- <div class="qr-hint bg-primary hidden" data-translate>Click field to hide QR</div>
- <div class="qr-hint bg-primary" data-translate>Click field to show QR</div>
+ <div class="qr-hint bg-primary hidden">Click field to hide QR</div>
+ <div class="qr-hint bg-primary">Click field to show QR</div>
<div class="qr-hider hidden">
<div class="qr-image"></div>
- <div class="qr-warning bg-primary" data-translate>Caution: Scanner may keep history</div>
+ <div class="qr-warning bg-primary">Caution: Scanner may keep history</div>
</div>
</div>
return eval('new t(' + a.map(function(_, i) { return 'a[' + i + ']'; }).join(',') + ')');
}
</script>
- <script>(function (root) {
- "use strict";
+ <script>(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.foo = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+'use strict'
-/***** unorm.js *****/
+exports.byteLength = byteLength
+exports.toByteArray = toByteArray
+exports.fromByteArray = fromByteArray
-/*
- * UnicodeNormalizer 1.0.0
- * Copyright (c) 2008 Matsuza
- * Dual licensed under the MIT (MIT-LICENSE.txt) and GPL (GPL-LICENSE.txt) licenses.
- * $Date: 2008-06-05 16:44:17 +0200 (Thu, 05 Jun 2008) $
- * $Rev: 13309 $
- */
+var lookup = []
+var revLookup = []
+var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
- var DEFAULT_FEATURE = [null, 0, {}];
- var CACHE_THRESHOLD = 10;
- var SBase = 0xAC00, LBase = 0x1100, VBase = 0x1161, TBase = 0x11A7, LCount = 19, VCount = 21, TCount = 28;
- var NCount = VCount * TCount; // 588
- var SCount = LCount * NCount; // 11172
+var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+for (var i = 0, len = code.length; i < len; ++i) {
+ lookup[i] = code[i]
+ revLookup[code.charCodeAt(i)] = i
+}
- var UChar = function(cp, feature){
- this.codepoint = cp;
- this.feature = feature;
- };
+revLookup['-'.charCodeAt(0)] = 62
+revLookup['_'.charCodeAt(0)] = 63
- // Strategies
- var cache = {};
- var cacheCounter = [];
- for (var i = 0; i <= 0xFF; ++i){
- cacheCounter[i] = 0;
- }
+function placeHoldersCount (b64) {
+ var len = b64.length
+ if (len % 4 > 0) {
+ throw new Error('Invalid string. Length must be a multiple of 4')
+ }
- function fromCache(next, cp, needFeature){
- var ret = cache[cp];
- if(!ret){
- ret = next(cp, needFeature);
- if(!!ret.feature && ++cacheCounter[(cp >> 8) & 0xFF] > CACHE_THRESHOLD){
- cache[cp] = ret;
- }
- }
- return ret;
- }
+ // the number of equal signs (place holders)
+ // if there are two placeholders, than the two characters before it
+ // represent one byte
+ // if there is only one, then the three characters before it represent 2 bytes
+ // this is just a cheap hack to not do indexOf twice
+ return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
+}
- function fromData(next, cp, needFeature){
- var hash = cp & 0xFF00;
- var dunit = UChar.udata[hash] || {};
- var f = dunit[cp];
- return f ? new UChar(cp, f) : new UChar(cp, DEFAULT_FEATURE);
- }
- function fromCpOnly(next, cp, needFeature){
- return !!needFeature ? next(cp, needFeature) : new UChar(cp, null);
- }
- function fromRuleBasedJamo(next, cp, needFeature){
- var j;
- if(cp < LBase || (LBase + LCount <= cp && cp < SBase) || (SBase + SCount < cp)){
- return next(cp, needFeature);
- }
- if(LBase <= cp && cp < LBase + LCount){
- var c = {};
- var base = (cp - LBase) * VCount;
- for (j = 0; j < VCount; ++j){
- c[VBase + j] = SBase + TCount * (j + base);
- }
- return new UChar(cp, [,,c]);
- }
+function byteLength (b64) {
+ // base64 is 4/3 + up to two characters of the original data
+ return b64.length * 3 / 4 - placeHoldersCount(b64)
+}
- var SIndex = cp - SBase;
- var TIndex = SIndex % TCount;
- var feature = [];
- if(TIndex !== 0){
- feature[0] = [SBase + SIndex - TIndex, TBase + TIndex];
- } else {
- feature[0] = [LBase + Math.floor(SIndex / NCount), VBase + Math.floor((SIndex % NCount) / TCount)];
- feature[2] = {};
- for (j = 1; j < TCount; ++j){
- feature[2][TBase + j] = cp + j;
- }
- }
- return new UChar(cp, feature);
- }
- function fromCpFilter(next, cp, needFeature){
- return cp < 60 || 13311 < cp && cp < 42607 ? new UChar(cp, DEFAULT_FEATURE) : next(cp, needFeature);
- }
+function toByteArray (b64) {
+ var i, j, l, tmp, placeHolders, arr
+ var len = b64.length
+ placeHolders = placeHoldersCount(b64)
- var strategies = [fromCpFilter, fromCache, fromCpOnly, fromRuleBasedJamo, fromData];
+ arr = new Arr(len * 3 / 4 - placeHolders)
- UChar.fromCharCode = strategies.reduceRight(function (next, strategy) {
- return function (cp, needFeature) {
- return strategy(next, cp, needFeature);
- };
- }, null);
+ // if there are placeholders, only get up to the last complete 4 chars
+ l = placeHolders > 0 ? len - 4 : len
- UChar.isHighSurrogate = function(cp){
- return cp >= 0xD800 && cp <= 0xDBFF;
- };
- UChar.isLowSurrogate = function(cp){
- return cp >= 0xDC00 && cp <= 0xDFFF;
- };
+ var L = 0
- UChar.prototype.prepFeature = function(){
- if(!this.feature){
- this.feature = UChar.fromCharCode(this.codepoint, true).feature;
- }
- };
+ for (i = 0, j = 0; i < l; i += 4, j += 3) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]
+ arr[L++] = (tmp >> 16) & 0xFF
+ arr[L++] = (tmp >> 8) & 0xFF
+ arr[L++] = tmp & 0xFF
+ }
- UChar.prototype.toString = function(){
- if(this.codepoint < 0x10000){
- return String.fromCharCode(this.codepoint);
- } else {
- var x = this.codepoint - 0x10000;
- return String.fromCharCode(Math.floor(x / 0x400) + 0xD800, x % 0x400 + 0xDC00);
- }
- };
+ if (placeHolders === 2) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)
+ arr[L++] = tmp & 0xFF
+ } else if (placeHolders === 1) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)
+ arr[L++] = (tmp >> 8) & 0xFF
+ arr[L++] = tmp & 0xFF
+ }
- UChar.prototype.getDecomp = function(){
- this.prepFeature();
- return this.feature[0] || null;
- };
+ return arr
+}
- UChar.prototype.isCompatibility = function(){
- this.prepFeature();
- return !!this.feature[1] && (this.feature[1] & (1 << 8));
- };
- UChar.prototype.isExclude = function(){
- this.prepFeature();
- return !!this.feature[1] && (this.feature[1] & (1 << 9));
- };
- UChar.prototype.getCanonicalClass = function(){
- this.prepFeature();
- return !!this.feature[1] ? (this.feature[1] & 0xff) : 0;
- };
- UChar.prototype.getComposite = function(following){
- this.prepFeature();
- if(!this.feature[2]){
- return null;
- }
- var cp = this.feature[2][following.codepoint];
- return cp ? UChar.fromCharCode(cp) : null;
- };
+function tripletToBase64 (num) {
+ return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
+}
- var UCharIterator = function(str){
- this.str = str;
- this.cursor = 0;
- };
- UCharIterator.prototype.next = function(){
- if(!!this.str && this.cursor < this.str.length){
- var cp = this.str.charCodeAt(this.cursor++);
- var d;
- if(UChar.isHighSurrogate(cp) && this.cursor < this.str.length && UChar.isLowSurrogate((d = this.str.charCodeAt(this.cursor)))){
- cp = (cp - 0xD800) * 0x400 + (d -0xDC00) + 0x10000;
- ++this.cursor;
- }
- return UChar.fromCharCode(cp);
- } else {
- this.str = null;
- return null;
- }
- };
+function encodeChunk (uint8, start, end) {
+ var tmp
+ var output = []
+ for (var i = start; i < end; i += 3) {
+ tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
+ output.push(tripletToBase64(tmp))
+ }
+ return output.join('')
+}
- var RecursDecompIterator = function(it, cano){
- this.it = it;
- this.canonical = cano;
- this.resBuf = [];
- };
+function fromByteArray (uint8) {
+ var tmp
+ var len = uint8.length
+ var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
+ var output = ''
+ var parts = []
+ var maxChunkLength = 16383 // must be multiple of 3
- RecursDecompIterator.prototype.next = function(){
- function recursiveDecomp(cano, uchar){
- var decomp = uchar.getDecomp();
- if(!!decomp && !(cano && uchar.isCompatibility())){
- var ret = [];
- for(var i = 0; i < decomp.length; ++i){
- var a = recursiveDecomp(cano, UChar.fromCharCode(decomp[i]));
- ret = ret.concat(a);
- }
- return ret;
- } else {
- return [uchar];
- }
- }
- if(this.resBuf.length === 0){
- var uchar = this.it.next();
- if(!uchar){
- return null;
- }
- this.resBuf = recursiveDecomp(this.canonical, uchar);
- }
- return this.resBuf.shift();
- };
+ // go through the array every three bytes, we'll deal with trailing stuff later
+ for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+ parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
+ }
- var DecompIterator = function(it){
- this.it = it;
- this.resBuf = [];
- };
+ // pad the end with zeros, but make sure to not forget the extra bytes
+ if (extraBytes === 1) {
+ tmp = uint8[len - 1]
+ output += lookup[tmp >> 2]
+ output += lookup[(tmp << 4) & 0x3F]
+ output += '=='
+ } else if (extraBytes === 2) {
+ tmp = (uint8[len - 2] << 8) + (uint8[len - 1])
+ output += lookup[tmp >> 10]
+ output += lookup[(tmp >> 4) & 0x3F]
+ output += lookup[(tmp << 2) & 0x3F]
+ output += '='
+ }
- DecompIterator.prototype.next = function(){
- var cc;
- if(this.resBuf.length === 0){
- do{
- var uchar = this.it.next();
- if(!uchar){
- break;
- }
- cc = uchar.getCanonicalClass();
- var inspt = this.resBuf.length;
- if(cc !== 0){
- for(; inspt > 0; --inspt){
- var uchar2 = this.resBuf[inspt - 1];
- var cc2 = uchar2.getCanonicalClass();
- if(cc2 <= cc){
- break;
- }
- }
- }
- this.resBuf.splice(inspt, 0, uchar);
- } while(cc !== 0);
- }
- return this.resBuf.shift();
- };
+ parts.push(output)
- var CompIterator = function(it){
- this.it = it;
- this.procBuf = [];
- this.resBuf = [];
- this.lastClass = null;
- };
+ return parts.join('')
+}
- CompIterator.prototype.next = function(){
- while(this.resBuf.length === 0){
- var uchar = this.it.next();
- if(!uchar){
- this.resBuf = this.procBuf;
- this.procBuf = [];
- break;
- }
- if(this.procBuf.length === 0){
- this.lastClass = uchar.getCanonicalClass();
- this.procBuf.push(uchar);
- } else {
- var starter = this.procBuf[0];
- var composite = starter.getComposite(uchar);
- var cc = uchar.getCanonicalClass();
- if(!!composite && (this.lastClass < cc || this.lastClass === 0)){
- this.procBuf[0] = composite;
- } else {
- if(cc === 0){
- this.resBuf = this.procBuf;
- this.procBuf = [];
- }
- this.lastClass = cc;
- this.procBuf.push(uchar);
- }
- }
- }
- return this.resBuf.shift();
- };
+},{}],2:[function(require,module,exports){
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license MIT
+ */
+/* eslint-disable no-proto */
- var createIterator = function(mode, str){
- switch(mode){
- case "NFD":
- return new DecompIterator(new RecursDecompIterator(new UCharIterator(str), true));
- case "NFKD":
- return new DecompIterator(new RecursDecompIterator(new UCharIterator(str), false));
- case "NFC":
- return new CompIterator(new DecompIterator(new RecursDecompIterator(new UCharIterator(str), true)));
- case "NFKC":
- return new CompIterator(new DecompIterator(new RecursDecompIterator(new UCharIterator(str), false)));
- }
- throw mode + " is invalid";
- };
- var normalize = function(mode, str){
- var it = createIterator(mode, str);
- var ret = "";
- var uchar;
- while(!!(uchar = it.next())){
- ret += uchar.toString();
- }
- return ret;
- };
+'use strict'
- /* API functions */
- function nfd(str){
- return normalize("NFD", str);
- }
+var base64 = require('base64-js')
+var ieee754 = require('ieee754')
- function nfkd(str){
- return normalize("NFKD", str);
- }
+exports.Buffer = Buffer
+exports.SlowBuffer = SlowBuffer
+exports.INSPECT_MAX_BYTES = 50
- function nfc(str){
- return normalize("NFC", str);
- }
+var K_MAX_LENGTH = 0x7fffffff
+exports.kMaxLength = K_MAX_LENGTH
- function nfkc(str){
- return normalize("NFKC", str);
- }
+/**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ * === true Use Uint8Array implementation (fastest)
+ * === false Print warning and recommend using `buffer` v4.x which has an Object
+ * implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * We report that the browser does not support typed arrays if the are not subclassable
+ * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
+ * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
+ * for __proto__ and has a buggy typed array implementation.
+ */
+Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()
-/* Unicode data */
-UChar.udata={
-0:{60:[,,{824:8814}],61:[,,{824:8800}],62:[,,{824:8815}],65:[,,{768:192,769:193,770:194,771:195,772:256,774:258,775:550,776:196,777:7842,778:197,780:461,783:512,785:514,803:7840,805:7680,808:260}],66:[,,{775:7682,803:7684,817:7686}],67:[,,{769:262,770:264,775:266,780:268,807:199}],68:[,,{775:7690,780:270,803:7692,807:7696,813:7698,817:7694}],69:[,,{768:200,769:201,770:202,771:7868,772:274,774:276,775:278,776:203,777:7866,780:282,783:516,785:518,803:7864,807:552,808:280,813:7704,816:7706}],70:[,,{775:7710}],71:[,,{769:500,770:284,772:7712,774:286,775:288,780:486,807:290}],72:[,,{770:292,775:7714,776:7718,780:542,803:7716,807:7720,814:7722}],73:[,,{768:204,769:205,770:206,771:296,772:298,774:300,775:304,776:207,777:7880,780:463,783:520,785:522,803:7882,808:302,816:7724}],74:[,,{770:308}],75:[,,{769:7728,780:488,803:7730,807:310,817:7732}],76:[,,{769:313,780:317,803:7734,807:315,813:7740,817:7738}],77:[,,{769:7742,775:7744,803:7746}],78:[,,{768:504,769:323,771:209,775:7748,780:327,803:7750,807:325,813:7754,817:7752}],79:[,,{768:210,769:211,770:212,771:213,772:332,774:334,775:558,776:214,777:7886,779:336,780:465,783:524,785:526,795:416,803:7884,808:490}],80:[,,{769:7764,775:7766}],82:[,,{769:340,775:7768,780:344,783:528,785:530,803:7770,807:342,817:7774}],83:[,,{769:346,770:348,775:7776,780:352,803:7778,806:536,807:350}],84:[,,{775:7786,780:356,803:7788,806:538,807:354,813:7792,817:7790}],85:[,,{768:217,769:218,770:219,771:360,772:362,774:364,776:220,777:7910,778:366,779:368,780:467,783:532,785:534,795:431,803:7908,804:7794,808:370,813:7798,816:7796}],86:[,,{771:7804,803:7806}],87:[,,{768:7808,769:7810,770:372,775:7814,776:7812,803:7816}],88:[,,{775:7818,776:7820}],89:[,,{768:7922,769:221,770:374,771:7928,772:562,775:7822,776:376,777:7926,803:7924}],90:[,,{769:377,770:7824,775:379,780:381,803:7826,817:7828}],97:[,,{768:224,769:225,770:226,771:227,772:257,774:259,775:551,776:228,777:7843,778:229,780:462,783:513,785:515,803:7841,805:7681,808:261}],98:[,,{775:7683,803:7685,817:7687}],99:[,,{769:263,770:265,775:267,780:269,807:231}],100:[,,{775:7691,780:271,803:7693,807:7697,813:7699,817:7695}],101:[,,{768:232,769:233,770:234,771:7869,772:275,774:277,775:279,776:235,777:7867,780:283,783:517,785:519,803:7865,807:553,808:281,813:7705,816:7707}],102:[,,{775:7711}],103:[,,{769:501,770:285,772:7713,774:287,775:289,780:487,807:291}],104:[,,{770:293,775:7715,776:7719,780:543,803:7717,807:7721,814:7723,817:7830}],105:[,,{768:236,769:237,770:238,771:297,772:299,774:301,776:239,777:7881,780:464,783:521,785:523,803:7883,808:303,816:7725}],106:[,,{770:309,780:496}],107:[,,{769:7729,780:489,803:7731,807:311,817:7733}],108:[,,{769:314,780:318,803:7735,807:316,813:7741,817:7739}],109:[,,{769:7743,775:7745,803:7747}],110:[,,{768:505,769:324,771:241,775:7749,780:328,803:7751,807:326,813:7755,817:7753}],111:[,,{768:242,769:243,770:244,771:245,772:333,774:335,775:559,776:246,777:7887,779:337,780:466,783:525,785:527,795:417,803:7885,808:491}],112:[,,{769:7765,775:7767}],114:[,,{769:341,775:7769,780:345,783:529,785:531,803:7771,807:343,817:7775}],115:[,,{769:347,770:349,775:7777,780:353,803:7779,806:537,807:351}],116:[,,{775:7787,776:7831,780:357,803:7789,806:539,807:355,813:7793,817:7791}],117:[,,{768:249,769:250,770:251,771:361,772:363,774:365,776:252,777:7911,778:367,779:369,780:468,783:533,785:535,795:432,803:7909,804:7795,808:371,813:7799,816:7797}],118:[,,{771:7805,803:7807}],119:[,,{768:7809,769:7811,770:373,775:7815,776:7813,778:7832,803:7817}],120:[,,{775:7819,776:7821}],121:[,,{768:7923,769:253,770:375,771:7929,772:563,775:7823,776:255,777:7927,778:7833,803:7925}],122:[,,{769:378,770:7825,775:380,780:382,803:7827,817:7829}],160:[[32],256],168:[[32,776],256,{768:8173,769:901,834:8129}],170:[[97],256],175:[[32,772],256],178:[[50],256],179:[[51],256],180:[[32,769],256],181:[[956],256],184:[[32,807],256],185:[[49],256],186:[[111],256],188:[[49,8260,52],256],189:[[49,8260,50],256],190:[[51,8260,52],256],192:[[65,768]],193:[[65,769]],194:[[65,770],,{768:7846,769:7844,771:7850,777:7848}],195:[[65,771]],196:[[65,776],,{772:478}],197:[[65,778],,{769:506}],198:[,,{769:508,772:482}],199:[[67,807],,{769:7688}],200:[[69,768]],201:[[69,769]],202:[[69,770],,{768:7872,769:7870,771:7876,777:7874}],203:[[69,776]],204:[[73,768]],205:[[73,769]],206:[[73,770]],207:[[73,776],,{769:7726}],209:[[78,771]],210:[[79,768]],211:[[79,769]],212:[[79,770],,{768:7890,769:7888,771:7894,777:7892}],213:[[79,771],,{769:7756,772:556,776:7758}],214:[[79,776],,{772:554}],216:[,,{769:510}],217:[[85,768]],218:[[85,769]],219:[[85,770]],220:[[85,776],,{768:475,769:471,772:469,780:473}],221:[[89,769]],224:[[97,768]],225:[[97,769]],226:[[97,770],,{768:7847,769:7845,771:7851,777:7849}],227:[[97,771]],228:[[97,776],,{772:479}],229:[[97,778],,{769:507}],230:[,,{769:509,772:483}],231:[[99,807],,{769:7689}],232:[[101,768]],233:[[101,769]],234:[[101,770],,{768:7873,769:7871,771:7877,777:7875}],235:[[101,776]],236:[[105,768]],237:[[105,769]],238:[[105,770]],239:[[105,776],,{769:7727}],241:[[110,771]],242:[[111,768]],243:[[111,769]],244:[[111,770],,{768:7891,769:7889,771:7895,777:7893}],245:[[111,771],,{769:7757,772:557,776:7759}],246:[[111,776],,{772:555}],248:[,,{769:511}],249:[[117,768]],250:[[117,769]],251:[[117,770]],252:[[117,776],,{768:476,769:472,772:470,780:474}],253:[[121,769]],255:[[121,776]]},
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+if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
+ typeof console.error === 'function') {
+ console.error(
+ 'This browser lacks typed array (Uint8Array) support which is required by ' +
+ '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
+ )
+}
-};
+function typedArraySupport () {
+ // Can typed array instances can be augmented?
+ try {
+ var arr = new Uint8Array(1)
+ arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
+ return arr.foo() === 42
+ } catch (e) {
+ return false
+ }
+}
- /***** Module to export */
- var unorm = {
- nfc: nfc,
- nfd: nfd,
- nfkc: nfkc,
- nfkd: nfkd
- };
+function createBuffer (length) {
+ if (length > K_MAX_LENGTH) {
+ throw new RangeError('Invalid typed array length')
+ }
+ // Return an augmented `Uint8Array` instance
+ var buf = new Uint8Array(length)
+ buf.__proto__ = Buffer.prototype
+ return buf
+}
- /*globals module:true,define:true*/
+/**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
- // CommonJS
- if (typeof module === "object") {
- module.exports = unorm;
+function Buffer (arg, encodingOrOffset, length) {
+ // Common case.
+ if (typeof arg === 'number') {
+ if (typeof encodingOrOffset === 'string') {
+ throw new Error(
+ 'If encoding is specified then the first argument must be a string'
+ )
+ }
+ return allocUnsafe(arg)
+ }
+ return from(arg, encodingOrOffset, length)
+}
- // AMD
- } else if (typeof define === "function" && define.amd) {
- define("unorm", function () {
- return unorm;
- });
+// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
+if (typeof Symbol !== 'undefined' && Symbol.species &&
+ Buffer[Symbol.species] === Buffer) {
+ Object.defineProperty(Buffer, Symbol.species, {
+ value: null,
+ configurable: true,
+ enumerable: false,
+ writable: false
+ })
+}
- // Global
- } else {
- root.unorm = unorm;
- }
+Buffer.poolSize = 8192 // not used by this implementation
- /***** Export as shim for String::normalize method *****/
- /*
- http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts#november_8_2013_draft_rev_21
+function from (value, encodingOrOffset, length) {
+ if (typeof value === 'number') {
+ throw new TypeError('"value" argument must not be a number')
+ }
- 21.1.3.12 String.prototype.normalize(form="NFC")
- When the normalize method is called with one argument form, the following steps are taken:
+ if (value instanceof ArrayBuffer) {
+ return fromArrayBuffer(value, encodingOrOffset, length)
+ }
- 1. Let O be CheckObjectCoercible(this value).
- 2. Let S be ToString(O).
- 3. ReturnIfAbrupt(S).
- 4. If form is not provided or undefined let form be "NFC".
- 5. Let f be ToString(form).
- 6. ReturnIfAbrupt(f).
- 7. If f is not one of "NFC", "NFD", "NFKC", or "NFKD", then throw a RangeError Exception.
- 8. Let ns be the String value is the result of normalizing S into the normalization form named by f as specified in Unicode Standard Annex #15, UnicodeNormalizatoin Forms.
- 9. Return ns.
+ if (typeof value === 'string') {
+ return fromString(value, encodingOrOffset)
+ }
- The length property of the normalize method is 0.
+ return fromObject(value)
+}
- *NOTE* The normalize function is intentionally generic; it does not require that its this value be a String object. Therefore it can be transferred to other kinds of objects for use as a method.
- */
- unorm.shimApplied = false;
+/**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+Buffer.from = function (value, encodingOrOffset, length) {
+ return from(value, encodingOrOffset, length)
+}
- if (!String.prototype.normalize) {
- String.prototype.normalize = function(form) {
- var str = "" + this;
- form = form === undefined ? "NFC" : form;
+// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
+// https://github.com/feross/buffer/pull/148
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+}
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+ * alloc(size[, fill[, encoding]])
+ **/
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+}
+function allocUnsafe (size) {
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+ return createBuffer(size < 0 ? 0 : checked(size) | 0)
+}
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- */
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- } else {
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+/**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
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+ */
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+ return allocUnsafe(size)
+}
- /**
- * Based on the algorithm at http://en.wikipedia.org/wiki/Levenshtein_distance.
- */
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- /**
- * Calculate levenshtein distance of the two strings.
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- * @param str1 String the first string.
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- if (str1.length === 0) return str2.length;
- if (str2.length === 0) return str1.length;
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- curCol, nextCol, i, j, tmp;
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+ }
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- }
+ var length = byteLength(string, encoding) | 0
+ var buf = createBuffer(length)
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+ var actual = buf.write(string, encoding)
- for (j=0; j<str2.length; ++j) {
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+ // Writing a hex string, for example, that contains invalid characters will
+ // cause everything after the first invalid character to be ignored. (e.g.
+ // 'abxxcd' will be treated as 'ab')
+ buf = buf.slice(0, actual)
+ }
- // substution
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- // insertion
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- nextCol = tmp;
- }
- // deletion
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- if (nextCol > tmp) {
- nextCol = tmp;
- }
+ return buf
+}
- // copy current col value into previous (in preparation for next iteration)
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- }
+function fromArrayLike (array) {
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+ for (var i = 0; i < length; i += 1) {
+ buf[i] = array[i] & 255
+ }
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+}
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+ }
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- },
+ if (array.byteLength < byteOffset + (length || 0)) {
+ throw new RangeError('\'length\' is out of bounds')
+ }
- /**
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- * @param str1 String the first string.
- * @param str2 String the second string.
- * @param cb Function callback function with signature: function(Error err, int distance)
- * @param [options] Object additional options.
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- */
- getAsync: function(str1, str2, cb, options) {
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- }, options);
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+ } else if (length === undefined) {
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+ } else {
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+ }
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- if (str1.length === 0) return cb(null, str2.length);
- if (str2.length === 0) return cb(null, str1.length);
+ // Return an augmented `Uint8Array` instance
+ buf.__proto__ = Buffer.prototype
+ return buf
+}
- // two rows
- var prevRow = new Array(str2.length + 1),
- curCol, nextCol,
- i, j, tmp,
- startTime, currentTime;
+function fromObject (obj) {
+ if (Buffer.isBuffer(obj)) {
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+ var buf = createBuffer(len)
- // initialise previous row
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- prevRow[i] = i;
- }
+ if (buf.length === 0) {
+ return buf
+ }
- nextCol = 1;
- i = 0;
- j = -1;
+ obj.copy(buf, 0, 0, len)
+ return buf
+ }
- var __calculate = function() {
- // reset timer
- startTime = new Date().valueOf();
- currentTime = startTime;
+ if (obj) {
+ if (isArrayBufferView(obj) || 'length' in obj) {
+ if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
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+ }
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- // reached end of current row?
- if (str2.length <= (++j)) {
- // copy current into previous (in preparation for next iteration)
- prevRow[j] = nextCol;
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+ }
+ }
- // if already done all chars
- if (str1.length <= (++i)) {
- return cb(null, nextCol);
- }
- // else if we have more left to do
- else {
- nextCol = i + 1;
- j = 0;
- }
- }
+ throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
+}
- // calculation
- curCol = nextCol;
+function checked (length) {
+ // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
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+ if (length >= K_MAX_LENGTH) {
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+ 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
+ }
+ return length | 0
+}
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- nextCol = prevRow[j] + ( (str1.charAt(i) === str2.charAt(j)) ? 0 : 1 );
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- tmp = curCol + 1;
- if (nextCol > tmp) {
- nextCol = tmp;
- }
- // deletion
- tmp = prevRow[j + 1] + 1;
- if (nextCol > tmp) {
- nextCol = tmp;
- }
+function SlowBuffer (length) {
+ if (+length != length) { // eslint-disable-line eqeqeq
+ length = 0
+ }
+ return Buffer.alloc(+length)
+}
- // copy current into previous (in preparation for next iteration)
- prevRow[j] = curCol;
+Buffer.isBuffer = function isBuffer (b) {
+ return b != null && b._isBuffer === true
+}
- // get current time
- currentTime = new Date().valueOf();
- }
+Buffer.compare = function compare (a, b) {
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- try {
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- } catch (err) {
- return cb('Progress callback: ' + err.toString());
- }
- }
+ if (a === b) return 0
- // next iteration
- _defer(__calculate);
- };
+ var x = a.length
+ var y = b.length
- __calculate();
+ for (var i = 0, len = Math.min(x, y); i < len; ++i) {
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+ x = a[i]
+ y = b[i]
+ break
}
+ }
- };
+ if (x < y) return -1
+ if (y < x) return 1
+ return 0
+}
- // amd
- if (typeof define !== "undefined" && define !== null && define.amd) {
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- });
- }
- // commonjs
- else if (typeof module !== "undefined" && module !== null && typeof exports !== "undefined" && module.exports === exports) {
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+ case 'utf-8':
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+ case 'latin1':
+ case 'binary':
+ case 'base64':
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return true
+ default:
+ return false
}
- // web worker
- else if (typeof self !== "undefined" && typeof self.postMessage === 'function' && typeof self.importScripts === 'function') {
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+}
+
+Buffer.concat = function concat (list, length) {
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}
- // browser main thread
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+ if (list.length === 0) {
+ return Buffer.alloc(0)
}
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-(d[n++]=f[g][k]);for(k=0;k<e;k++)for(g=0;g<c.length;g++)k<i[g].length&&(d[n++]=i[g][k]);return d};s=4;for(var j={PATTERN_POSITION_TABLE:[[],[6,18],[6,22],[6,26],[6,30],[6,34],[6,22,38],[6,24,42],[6,26,46],[6,28,50],[6,30,54],[6,32,58],[6,34,62],[6,26,46,66],[6,26,48,70],[6,26,50,74],[6,30,54,78],[6,30,56,82],[6,30,58,86],[6,34,62,90],[6,28,50,72,94],[6,26,50,74,98],[6,30,54,78,102],[6,28,54,80,106],[6,32,58,84,110],[6,30,58,86,114],[6,34,62,90,118],[6,26,50,74,98,122],[6,30,54,78,102,126],[6,26,52,
-78,104,130],[6,30,56,82,108,134],[6,34,60,86,112,138],[6,30,58,86,114,142],[6,34,62,90,118,146],[6,30,54,78,102,126,150],[6,24,50,76,102,128,154],[6,28,54,80,106,132,158],[6,32,58,84,110,136,162],[6,26,54,82,110,138,166],[6,30,58,86,114,142,170]],G15:1335,G18:7973,G15_MASK:21522,getBCHTypeInfo:function(a){for(var c=a<<10;0<=j.getBCHDigit(c)-j.getBCHDigit(j.G15);)c^=j.G15<<j.getBCHDigit(c)-j.getBCHDigit(j.G15);return(a<<10|c)^j.G15_MASK},getBCHTypeNumber:function(a){for(var c=a<<12;0<=j.getBCHDigit(c)-
-j.getBCHDigit(j.G18);)c^=j.G18<<j.getBCHDigit(c)-j.getBCHDigit(j.G18);return a<<12|c},getBCHDigit:function(a){for(var c=0;0!=a;)c++,a>>>=1;return c},getPatternPosition:function(a){return j.PATTERN_POSITION_TABLE[a-1]},getMask:function(a,c,d){switch(a){case 0:return 0==(c+d)%2;case 1:return 0==c%2;case 2:return 0==d%3;case 3:return 0==(c+d)%3;case 4:return 0==(Math.floor(c/2)+Math.floor(d/3))%2;case 5:return 0==c*d%2+c*d%3;case 6:return 0==(c*d%2+c*d%3)%2;case 7:return 0==(c*d%3+(c+d)%2)%2;default:throw Error("bad maskPattern:"+
-a);}},getErrorCorrectPolynomial:function(a){for(var c=new q([1],0),d=0;d<a;d++)c=c.multiply(new q([1,l.gexp(d)],0));return c},getLengthInBits:function(a,c){if(1<=c&&10>c)switch(a){case 1:return 10;case 2:return 9;case s:return 8;case 8:return 8;default:throw Error("mode:"+a);}else if(27>c)switch(a){case 1:return 12;case 2:return 11;case s:return 16;case 8:return 10;default:throw Error("mode:"+a);}else if(41>c)switch(a){case 1:return 14;case 2:return 13;case s:return 16;case 8:return 12;default:throw Error("mode:"+
-a);}else throw Error("type:"+c);},getLostPoint:function(a){for(var c=a.getModuleCount(),d=0,b=0;b<c;b++)for(var e=0;e<c;e++){for(var f=0,i=a.isDark(b,e),g=-1;1>=g;g++)if(!(0>b+g||c<=b+g))for(var h=-1;1>=h;h++)0>e+h||c<=e+h||0==g&&0==h||i==a.isDark(b+g,e+h)&&f++;5<f&&(d+=3+f-5)}for(b=0;b<c-1;b++)for(e=0;e<c-1;e++)if(f=0,a.isDark(b,e)&&f++,a.isDark(b+1,e)&&f++,a.isDark(b,e+1)&&f++,a.isDark(b+1,e+1)&&f++,0==f||4==f)d+=3;for(b=0;b<c;b++)for(e=0;e<c-6;e++)a.isDark(b,e)&&!a.isDark(b,e+1)&&a.isDark(b,e+
-2)&&a.isDark(b,e+3)&&a.isDark(b,e+4)&&!a.isDark(b,e+5)&&a.isDark(b,e+6)&&(d+=40);for(e=0;e<c;e++)for(b=0;b<c-6;b++)a.isDark(b,e)&&!a.isDark(b+1,e)&&a.isDark(b+2,e)&&a.isDark(b+3,e)&&a.isDark(b+4,e)&&!a.isDark(b+5,e)&&a.isDark(b+6,e)&&(d+=40);for(e=f=0;e<c;e++)for(b=0;b<c;b++)a.isDark(b,e)&&f++;a=Math.abs(100*f/c/c-50)/5;return d+10*a}},l={glog:function(a){if(1>a)throw Error("glog("+a+")");return l.LOG_TABLE[a]},gexp:function(a){for(;0>a;)a+=255;for(;256<=a;)a-=255;return l.EXP_TABLE[a]},EXP_TABLE:Array(256),
-LOG_TABLE:Array(256)},m=0;8>m;m++)l.EXP_TABLE[m]=1<<m;for(m=8;256>m;m++)l.EXP_TABLE[m]=l.EXP_TABLE[m-4]^l.EXP_TABLE[m-5]^l.EXP_TABLE[m-6]^l.EXP_TABLE[m-8];for(m=0;255>m;m++)l.LOG_TABLE[l.EXP_TABLE[m]]=m;q.prototype={get:function(a){return this.num[a]},getLength:function(){return this.num.length},multiply:function(a){for(var c=Array(this.getLength()+a.getLength()-1),d=0;d<this.getLength();d++)for(var b=0;b<a.getLength();b++)c[d+b]^=l.gexp(l.glog(this.get(d))+l.glog(a.get(b)));return new q(c,0)},mod:function(a){if(0>
-this.getLength()-a.getLength())return this;for(var c=l.glog(this.get(0))-l.glog(a.get(0)),d=Array(this.getLength()),b=0;b<this.getLength();b++)d[b]=this.get(b);for(b=0;b<a.getLength();b++)d[b]^=l.gexp(l.glog(a.get(b))+c);return(new q(d,0)).mod(a)}};p.RS_BLOCK_TABLE=[[1,26,19],[1,26,16],[1,26,13],[1,26,9],[1,44,34],[1,44,28],[1,44,22],[1,44,16],[1,70,55],[1,70,44],[2,35,17],[2,35,13],[1,100,80],[2,50,32],[2,50,24],[4,25,9],[1,134,108],[2,67,43],[2,33,15,2,34,16],[2,33,11,2,34,12],[2,86,68],[4,43,27],
-[4,43,19],[4,43,15],[2,98,78],[4,49,31],[2,32,14,4,33,15],[4,39,13,1,40,14],[2,121,97],[2,60,38,2,61,39],[4,40,18,2,41,19],[4,40,14,2,41,15],[2,146,116],[3,58,36,2,59,37],[4,36,16,4,37,17],[4,36,12,4,37,13],[2,86,68,2,87,69],[4,69,43,1,70,44],[6,43,19,2,44,20],[6,43,15,2,44,16],[4,101,81],[1,80,50,4,81,51],[4,50,22,4,51,23],[3,36,12,8,37,13],[2,116,92,2,117,93],[6,58,36,2,59,37],[4,46,20,6,47,21],[7,42,14,4,43,15],[4,133,107],[8,59,37,1,60,38],[8,44,20,4,45,21],[12,33,11,4,34,12],[3,145,115,1,146,
-116],[4,64,40,5,65,41],[11,36,16,5,37,17],[11,36,12,5,37,13],[5,109,87,1,110,88],[5,65,41,5,66,42],[5,54,24,7,55,25],[11,36,12],[5,122,98,1,123,99],[7,73,45,3,74,46],[15,43,19,2,44,20],[3,45,15,13,46,16],[1,135,107,5,136,108],[10,74,46,1,75,47],[1,50,22,15,51,23],[2,42,14,17,43,15],[5,150,120,1,151,121],[9,69,43,4,70,44],[17,50,22,1,51,23],[2,42,14,19,43,15],[3,141,113,4,142,114],[3,70,44,11,71,45],[17,47,21,4,48,22],[9,39,13,16,40,14],[3,135,107,5,136,108],[3,67,41,13,68,42],[15,54,24,5,55,25],[15,
-43,15,10,44,16],[4,144,116,4,145,117],[17,68,42],[17,50,22,6,51,23],[19,46,16,6,47,17],[2,139,111,7,140,112],[17,74,46],[7,54,24,16,55,25],[34,37,13],[4,151,121,5,152,122],[4,75,47,14,76,48],[11,54,24,14,55,25],[16,45,15,14,46,16],[6,147,117,4,148,118],[6,73,45,14,74,46],[11,54,24,16,55,25],[30,46,16,2,47,17],[8,132,106,4,133,107],[8,75,47,13,76,48],[7,54,24,22,55,25],[22,45,15,13,46,16],[10,142,114,2,143,115],[19,74,46,4,75,47],[28,50,22,6,51,23],[33,46,16,4,47,17],[8,152,122,4,153,123],[22,73,45,
-3,74,46],[8,53,23,26,54,24],[12,45,15,28,46,16],[3,147,117,10,148,118],[3,73,45,23,74,46],[4,54,24,31,55,25],[11,45,15,31,46,16],[7,146,116,7,147,117],[21,73,45,7,74,46],[1,53,23,37,54,24],[19,45,15,26,46,16],[5,145,115,10,146,116],[19,75,47,10,76,48],[15,54,24,25,55,25],[23,45,15,25,46,16],[13,145,115,3,146,116],[2,74,46,29,75,47],[42,54,24,1,55,25],[23,45,15,28,46,16],[17,145,115],[10,74,46,23,75,47],[10,54,24,35,55,25],[19,45,15,35,46,16],[17,145,115,1,146,116],[14,74,46,21,75,47],[29,54,24,19,
-55,25],[11,45,15,46,46,16],[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,
-45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]];p.getRSBlocks=function(a,c){var d=p.getRsBlockTable(a,c);if(void 0==d)throw Error("bad rs block @ typeNumber:"+a+"/errorCorrectLevel:"+c);for(var b=d.length/3,e=[],f=0;f<b;f++)for(var h=d[3*f+0],g=d[3*f+1],j=d[3*f+2],l=0;l<h;l++)e.push(new p(g,j));return e};p.getRsBlockTable=function(a,c){switch(c){case 1:return p.RS_BLOCK_TABLE[4*(a-1)+0];case 0:return p.RS_BLOCK_TABLE[4*(a-1)+1];case 3:return p.RS_BLOCK_TABLE[4*
-(a-1)+2];case 2:return p.RS_BLOCK_TABLE[4*(a-1)+3]}};t.prototype={get:function(a){return 1==(this.buffer[Math.floor(a/8)]>>>7-a%8&1)},put:function(a,c){for(var d=0;d<c;d++)this.putBit(1==(a>>>c-d-1&1))},getLengthInBits:function(){return this.length},putBit:function(a){var c=Math.floor(this.length/8);this.buffer.length<=c&&this.buffer.push(0);a&&(this.buffer[c]|=128>>>this.length%8);this.length++}};"string"===typeof h&&(h={text:h});h=r.extend({},{render:"canvas",width:256,height:256,typeNumber:-1,
-correctLevel:2,background:"#ffffff",foreground:"#000000"},h);return this.each(function(){var a;if("canvas"==h.render){a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();var c=document.createElement("canvas");c.width=h.width;c.height=h.height;for(var d=c.getContext("2d"),b=h.width/a.getModuleCount(),e=h.height/a.getModuleCount(),f=0;f<a.getModuleCount();f++)for(var i=0;i<a.getModuleCount();i++){d.fillStyle=a.isDark(f,i)?h.foreground:h.background;var g=Math.ceil((i+1)*b)-Math.floor(i*b),
-j=Math.ceil((f+1)*b)-Math.floor(f*b);d.fillRect(Math.round(i*b),Math.round(f*e),g,j)}}else{a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();c=r("<table></table>").css("width",h.width+"px").css("height",h.height+"px").css("border","0px").css("border-collapse","collapse").css("background-color",h.background);d=h.width/a.getModuleCount();b=h.height/a.getModuleCount();for(e=0;e<a.getModuleCount();e++){f=r("<tr></tr>").css("height",b+"px").appendTo(c);for(i=0;i<a.getModuleCount();i++)r("<td></td>").css("width",
-d+"px").css("background-color",a.isDark(e,i)?h.foreground:h.background).appendTo(f)}}a=c;$(a).appendTo(this)})}})($);
-</script>
- <script>(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.bitcoin = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-// (public) Constructor
-function BigInteger(a, b, c) {
- if (!(this instanceof BigInteger))
- return new BigInteger(a, b, c)
+ var i
+ if (length === undefined) {
+ length = 0
+ for (i = 0; i < list.length; ++i) {
+ length += list[i].length
+ }
+ }
- if (a != null) {
- if ("number" == typeof a) this.fromNumber(a, b, c)
- else if (b == null && "string" != typeof a) this.fromString(a, 256)
- else this.fromString(a, b)
+ var buffer = Buffer.allocUnsafe(length)
+ var pos = 0
+ for (i = 0; i < list.length; ++i) {
+ var buf = list[i]
+ if (!Buffer.isBuffer(buf)) {
+ throw new TypeError('"list" argument must be an Array of Buffers')
+ }
+ buf.copy(buffer, pos)
+ pos += buf.length
}
+ return buffer
}
-var proto = BigInteger.prototype
+function byteLength (string, encoding) {
+ if (Buffer.isBuffer(string)) {
+ return string.length
+ }
+ if (isArrayBufferView(string) || string instanceof ArrayBuffer) {
+ return string.byteLength
+ }
+ if (typeof string !== 'string') {
+ string = '' + string
+ }
-// duck-typed isBigInteger
-proto.__bigi = require('../package.json').version
-BigInteger.isBigInteger = function (obj, check_ver) {
- return obj && obj.__bigi && (!check_ver || obj.__bigi === proto.__bigi)
+ var len = string.length
+ if (len === 0) return 0
+
+ // Use a for loop to avoid recursion
+ var loweredCase = false
+ for (;;) {
+ switch (encoding) {
+ case 'ascii':
+ case 'latin1':
+ case 'binary':
+ return len
+ case 'utf8':
+ case 'utf-8':
+ case undefined:
+ return utf8ToBytes(string).length
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return len * 2
+ case 'hex':
+ return len >>> 1
+ case 'base64':
+ return base64ToBytes(string).length
+ default:
+ if (loweredCase) return utf8ToBytes(string).length // assume utf8
+ encoding = ('' + encoding).toLowerCase()
+ loweredCase = true
+ }
+ }
}
+Buffer.byteLength = byteLength
-// Bits per digit
-var dbits
+function slowToString (encoding, start, end) {
+ var loweredCase = false
-// am: Compute w_j += (x*this_i), propagate carries,
-// c is initial carry, returns final carry.
-// c < 3*dvalue, x < 2*dvalue, this_i < dvalue
-// We need to select the fastest one that works in this environment.
+ // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+ // property of a typed array.
-// am1: use a single mult and divide to get the high bits,
-// max digit bits should be 26 because
-// max internal value = 2*dvalue^2-2*dvalue (< 2^53)
-function am1(i, x, w, j, c, n) {
- while (--n >= 0) {
- var v = x * this[i++] + w[j] + c
- c = Math.floor(v / 0x4000000)
- w[j++] = v & 0x3ffffff
+ // This behaves neither like String nor Uint8Array in that we set start/end
+ // to their upper/lower bounds if the value passed is out of range.
+ // undefined is handled specially as per ECMA-262 6th Edition,
+ // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+ if (start === undefined || start < 0) {
+ start = 0
}
- return c
-}
-// am2 avoids a big mult-and-extract completely.
-// Max digit bits should be <= 30 because we do bitwise ops
-// on values up to 2*hdvalue^2-hdvalue-1 (< 2^31)
-function am2(i, x, w, j, c, n) {
- var xl = x & 0x7fff,
- xh = x >> 15
- while (--n >= 0) {
- var l = this[i] & 0x7fff
- var h = this[i++] >> 15
- var m = xh * l + h * xl
- l = xl * l + ((m & 0x7fff) << 15) + w[j] + (c & 0x3fffffff)
- c = (l >>> 30) + (m >>> 15) + xh * h + (c >>> 30)
- w[j++] = l & 0x3fffffff
+ // Return early if start > this.length. Done here to prevent potential uint32
+ // coercion fail below.
+ if (start > this.length) {
+ return ''
}
- return c
-}
-// Alternately, set max digit bits to 28 since some
-// browsers slow down when dealing with 32-bit numbers.
-function am3(i, x, w, j, c, n) {
- var xl = x & 0x3fff,
- xh = x >> 14
- while (--n >= 0) {
- var l = this[i] & 0x3fff
- var h = this[i++] >> 14
- var m = xh * l + h * xl
- l = xl * l + ((m & 0x3fff) << 14) + w[j] + c
- c = (l >> 28) + (m >> 14) + xh * h
- w[j++] = l & 0xfffffff
+
+ if (end === undefined || end > this.length) {
+ end = this.length
}
- return c
-}
-// wtf?
-BigInteger.prototype.am = am1
-dbits = 26
+ if (end <= 0) {
+ return ''
+ }
-BigInteger.prototype.DB = dbits
-BigInteger.prototype.DM = ((1 << dbits) - 1)
-var DV = BigInteger.prototype.DV = (1 << dbits)
+ // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
+ end >>>= 0
+ start >>>= 0
-var BI_FP = 52
-BigInteger.prototype.FV = Math.pow(2, BI_FP)
-BigInteger.prototype.F1 = BI_FP - dbits
-BigInteger.prototype.F2 = 2 * dbits - BI_FP
+ if (end <= start) {
+ return ''
+ }
-// Digit conversions
-var BI_RM = "0123456789abcdefghijklmnopqrstuvwxyz"
-var BI_RC = new Array()
-var rr, vv
-rr = "0".charCodeAt(0)
-for (vv = 0; vv <= 9; ++vv) BI_RC[rr++] = vv
-rr = "a".charCodeAt(0)
-for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv
-rr = "A".charCodeAt(0)
-for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv
+ if (!encoding) encoding = 'utf8'
-function int2char(n) {
- return BI_RM.charAt(n)
-}
+ while (true) {
+ switch (encoding) {
+ case 'hex':
+ return hexSlice(this, start, end)
-function intAt(s, i) {
- var c = BI_RC[s.charCodeAt(i)]
- return (c == null) ? -1 : c
-}
+ case 'utf8':
+ case 'utf-8':
+ return utf8Slice(this, start, end)
-// (protected) copy this to r
-function bnpCopyTo(r) {
- for (var i = this.t - 1; i >= 0; --i) r[i] = this[i]
- r.t = this.t
- r.s = this.s
-}
+ case 'ascii':
+ return asciiSlice(this, start, end)
-// (protected) set from integer value x, -DV <= x < DV
-function bnpFromInt(x) {
- this.t = 1
- this.s = (x < 0) ? -1 : 0
- if (x > 0) this[0] = x
- else if (x < -1) this[0] = x + DV
- else this.t = 0
-}
+ case 'latin1':
+ case 'binary':
+ return latin1Slice(this, start, end)
-// return bigint initialized to value
-function nbv(i) {
- var r = new BigInteger()
- r.fromInt(i)
- return r
-}
+ case 'base64':
+ return base64Slice(this, start, end)
-// (protected) set from string and radix
-function bnpFromString(s, b) {
- var self = this
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return utf16leSlice(this, start, end)
- var k
- if (b == 16) k = 4
- else if (b == 8) k = 3
- else if (b == 256) k = 8; // byte array
- else if (b == 2) k = 1
- else if (b == 32) k = 5
- else if (b == 4) k = 2
- else {
- self.fromRadix(s, b)
- return
- }
- self.t = 0
- self.s = 0
- var i = s.length,
- mi = false,
- sh = 0
- while (--i >= 0) {
- var x = (k == 8) ? s[i] & 0xff : intAt(s, i)
- if (x < 0) {
- if (s.charAt(i) == "-") mi = true
- continue
+ default:
+ if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+ encoding = (encoding + '').toLowerCase()
+ loweredCase = true
}
- mi = false
- if (sh == 0)
- self[self.t++] = x
- else if (sh + k > self.DB) {
- self[self.t - 1] |= (x & ((1 << (self.DB - sh)) - 1)) << sh
- self[self.t++] = (x >> (self.DB - sh))
- } else
- self[self.t - 1] |= x << sh
- sh += k
- if (sh >= self.DB) sh -= self.DB
}
- if (k == 8 && (s[0] & 0x80) != 0) {
- self.s = -1
- if (sh > 0) self[self.t - 1] |= ((1 << (self.DB - sh)) - 1) << sh
+}
+
+// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
+// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
+// reliably in a browserify context because there could be multiple different
+// copies of the 'buffer' package in use. This method works even for Buffer
+// instances that were created from another copy of the `buffer` package.
+// See: https://github.com/feross/buffer/issues/154
+Buffer.prototype._isBuffer = true
+
+function swap (b, n, m) {
+ var i = b[n]
+ b[n] = b[m]
+ b[m] = i
+}
+
+Buffer.prototype.swap16 = function swap16 () {
+ var len = this.length
+ if (len % 2 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 16-bits')
}
- self.clamp()
- if (mi) BigInteger.ZERO.subTo(self, self)
+ for (var i = 0; i < len; i += 2) {
+ swap(this, i, i + 1)
+ }
+ return this
}
-// (protected) clamp off excess high words
-function bnpClamp() {
- var c = this.s & this.DM
- while (this.t > 0 && this[this.t - 1] == c)--this.t
+Buffer.prototype.swap32 = function swap32 () {
+ var len = this.length
+ if (len % 4 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 32-bits')
+ }
+ for (var i = 0; i < len; i += 4) {
+ swap(this, i, i + 3)
+ swap(this, i + 1, i + 2)
+ }
+ return this
}
-// (public) return string representation in given radix
-function bnToString(b) {
- var self = this
- if (self.s < 0) return "-" + self.negate()
- .toString(b)
- var k
- if (b == 16) k = 4
- else if (b == 8) k = 3
- else if (b == 2) k = 1
- else if (b == 32) k = 5
- else if (b == 4) k = 2
- else return self.toRadix(b)
- var km = (1 << k) - 1,
- d, m = false,
- r = "",
- i = self.t
- var p = self.DB - (i * self.DB) % k
- if (i-- > 0) {
- if (p < self.DB && (d = self[i] >> p) > 0) {
- m = true
- r = int2char(d)
- }
- while (i >= 0) {
- if (p < k) {
- d = (self[i] & ((1 << p) - 1)) << (k - p)
- d |= self[--i] >> (p += self.DB - k)
- } else {
- d = (self[i] >> (p -= k)) & km
- if (p <= 0) {
- p += self.DB
- --i
- }
- }
- if (d > 0) m = true
- if (m) r += int2char(d)
- }
+Buffer.prototype.swap64 = function swap64 () {
+ var len = this.length
+ if (len % 8 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 64-bits')
}
- return m ? r : "0"
+ for (var i = 0; i < len; i += 8) {
+ swap(this, i, i + 7)
+ swap(this, i + 1, i + 6)
+ swap(this, i + 2, i + 5)
+ swap(this, i + 3, i + 4)
+ }
+ return this
}
-// (public) -this
-function bnNegate() {
- var r = new BigInteger()
- BigInteger.ZERO.subTo(this, r)
- return r
+Buffer.prototype.toString = function toString () {
+ var length = this.length
+ if (length === 0) return ''
+ if (arguments.length === 0) return utf8Slice(this, 0, length)
+ return slowToString.apply(this, arguments)
}
-// (public) |this|
-function bnAbs() {
- return (this.s < 0) ? this.negate() : this
+Buffer.prototype.equals = function equals (b) {
+ if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+ if (this === b) return true
+ return Buffer.compare(this, b) === 0
}
-// (public) return + if this > a, - if this < a, 0 if equal
-function bnCompareTo(a) {
- var r = this.s - a.s
- if (r != 0) return r
- var i = this.t
- r = i - a.t
- if (r != 0) return (this.s < 0) ? -r : r
- while (--i >= 0)
- if ((r = this[i] - a[i]) != 0) return r
- return 0
+Buffer.prototype.inspect = function inspect () {
+ var str = ''
+ var max = exports.INSPECT_MAX_BYTES
+ if (this.length > 0) {
+ str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
+ if (this.length > max) str += ' ... '
+ }
+ return '<Buffer ' + str + '>'
}
-// returns bit length of the integer x
-function nbits(x) {
- var r = 1,
- t
- if ((t = x >>> 16) != 0) {
- x = t
- r += 16
+Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+ if (!Buffer.isBuffer(target)) {
+ throw new TypeError('Argument must be a Buffer')
}
- if ((t = x >> 8) != 0) {
- x = t
- r += 8
+
+ if (start === undefined) {
+ start = 0
}
- if ((t = x >> 4) != 0) {
- x = t
- r += 4
+ if (end === undefined) {
+ end = target ? target.length : 0
}
- if ((t = x >> 2) != 0) {
- x = t
- r += 2
+ if (thisStart === undefined) {
+ thisStart = 0
}
- if ((t = x >> 1) != 0) {
- x = t
- r += 1
+ if (thisEnd === undefined) {
+ thisEnd = this.length
}
- return r
-}
-// (public) return the number of bits in "this"
-function bnBitLength() {
- if (this.t <= 0) return 0
- return this.DB * (this.t - 1) + nbits(this[this.t - 1] ^ (this.s & this.DM))
-}
-
-// (public) return the number of bytes in "this"
-function bnByteLength() {
- return this.bitLength() >> 3
-}
+ if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+ throw new RangeError('out of range index')
+ }
-// (protected) r = this << n*DB
-function bnpDLShiftTo(n, r) {
- var i
- for (i = this.t - 1; i >= 0; --i) r[i + n] = this[i]
- for (i = n - 1; i >= 0; --i) r[i] = 0
- r.t = this.t + n
- r.s = this.s
-}
+ if (thisStart >= thisEnd && start >= end) {
+ return 0
+ }
+ if (thisStart >= thisEnd) {
+ return -1
+ }
+ if (start >= end) {
+ return 1
+ }
-// (protected) r = this >> n*DB
-function bnpDRShiftTo(n, r) {
- for (var i = n; i < this.t; ++i) r[i - n] = this[i]
- r.t = Math.max(this.t - n, 0)
- r.s = this.s
-}
+ start >>>= 0
+ end >>>= 0
+ thisStart >>>= 0
+ thisEnd >>>= 0
-// (protected) r = this << n
-function bnpLShiftTo(n, r) {
- var self = this
- var bs = n % self.DB
- var cbs = self.DB - bs
- var bm = (1 << cbs) - 1
- var ds = Math.floor(n / self.DB),
- c = (self.s << bs) & self.DM,
- i
- for (i = self.t - 1; i >= 0; --i) {
- r[i + ds + 1] = (self[i] >> cbs) | c
- c = (self[i] & bm) << bs
+ if (this === target) return 0
+
+ var x = thisEnd - thisStart
+ var y = end - start
+ var len = Math.min(x, y)
+
+ var thisCopy = this.slice(thisStart, thisEnd)
+ var targetCopy = target.slice(start, end)
+
+ for (var i = 0; i < len; ++i) {
+ if (thisCopy[i] !== targetCopy[i]) {
+ x = thisCopy[i]
+ y = targetCopy[i]
+ break
+ }
}
- for (i = ds - 1; i >= 0; --i) r[i] = 0
- r[ds] = c
- r.t = self.t + ds + 1
- r.s = self.s
- r.clamp()
+
+ if (x < y) return -1
+ if (y < x) return 1
+ return 0
}
-// (protected) r = this >> n
-function bnpRShiftTo(n, r) {
- var self = this
- r.s = self.s
- var ds = Math.floor(n / self.DB)
- if (ds >= self.t) {
- r.t = 0
- return
+// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+//
+// Arguments:
+// - buffer - a Buffer to search
+// - val - a string, Buffer, or number
+// - byteOffset - an index into `buffer`; will be clamped to an int32
+// - encoding - an optional encoding, relevant is val is a string
+// - dir - true for indexOf, false for lastIndexOf
+function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+ // Empty buffer means no match
+ if (buffer.length === 0) return -1
+
+ // Normalize byteOffset
+ if (typeof byteOffset === 'string') {
+ encoding = byteOffset
+ byteOffset = 0
+ } else if (byteOffset > 0x7fffffff) {
+ byteOffset = 0x7fffffff
+ } else if (byteOffset < -0x80000000) {
+ byteOffset = -0x80000000
}
- var bs = n % self.DB
- var cbs = self.DB - bs
- var bm = (1 << bs) - 1
- r[0] = self[ds] >> bs
- for (var i = ds + 1; i < self.t; ++i) {
- r[i - ds - 1] |= (self[i] & bm) << cbs
- r[i - ds] = self[i] >> bs
+ byteOffset = +byteOffset // Coerce to Number.
+ if (numberIsNaN(byteOffset)) {
+ // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+ byteOffset = dir ? 0 : (buffer.length - 1)
}
- if (bs > 0) r[self.t - ds - 1] |= (self.s & bm) << cbs
- r.t = self.t - ds
- r.clamp()
-}
-// (protected) r = this - a
-function bnpSubTo(a, r) {
- var self = this
- var i = 0,
- c = 0,
- m = Math.min(a.t, self.t)
- while (i < m) {
- c += self[i] - a[i]
- r[i++] = c & self.DM
- c >>= self.DB
+ // Normalize byteOffset: negative offsets start from the end of the buffer
+ if (byteOffset < 0) byteOffset = buffer.length + byteOffset
+ if (byteOffset >= buffer.length) {
+ if (dir) return -1
+ else byteOffset = buffer.length - 1
+ } else if (byteOffset < 0) {
+ if (dir) byteOffset = 0
+ else return -1
}
- if (a.t < self.t) {
- c -= a.s
- while (i < self.t) {
- c += self[i]
- r[i++] = c & self.DM
- c >>= self.DB
+
+ // Normalize val
+ if (typeof val === 'string') {
+ val = Buffer.from(val, encoding)
+ }
+
+ // Finally, search either indexOf (if dir is true) or lastIndexOf
+ if (Buffer.isBuffer(val)) {
+ // Special case: looking for empty string/buffer always fails
+ if (val.length === 0) {
+ return -1
}
- c += self.s
- } else {
- c += self.s
- while (i < a.t) {
- c -= a[i]
- r[i++] = c & self.DM
- c >>= self.DB
+ return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
+ } else if (typeof val === 'number') {
+ val = val & 0xFF // Search for a byte value [0-255]
+ if (typeof Uint8Array.prototype.indexOf === 'function') {
+ if (dir) {
+ return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+ } else {
+ return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+ }
}
- c -= a.s
+ return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
}
- r.s = (c < 0) ? -1 : 0
- if (c < -1) r[i++] = self.DV + c
- else if (c > 0) r[i++] = c
- r.t = i
- r.clamp()
-}
-// (protected) r = this * a, r != this,a (HAC 14.12)
-// "this" should be the larger one if appropriate.
-function bnpMultiplyTo(a, r) {
- var x = this.abs(),
- y = a.abs()
- var i = x.t
- r.t = i + y.t
- while (--i >= 0) r[i] = 0
- for (i = 0; i < y.t; ++i) r[i + x.t] = x.am(0, y[i], r, i, 0, x.t)
- r.s = 0
- r.clamp()
- if (this.s != a.s) BigInteger.ZERO.subTo(r, r)
+ throw new TypeError('val must be string, number or Buffer')
}
-// (protected) r = this^2, r != this (HAC 14.16)
-function bnpSquareTo(r) {
- var x = this.abs()
- var i = r.t = 2 * x.t
- while (--i >= 0) r[i] = 0
- for (i = 0; i < x.t - 1; ++i) {
- var c = x.am(i, x[i], r, 2 * i, 0, 1)
- if ((r[i + x.t] += x.am(i + 1, 2 * x[i], r, 2 * i + 1, c, x.t - i - 1)) >= x.DV) {
- r[i + x.t] -= x.DV
- r[i + x.t + 1] = 1
+function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
+ var indexSize = 1
+ var arrLength = arr.length
+ var valLength = val.length
+
+ if (encoding !== undefined) {
+ encoding = String(encoding).toLowerCase()
+ if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+ encoding === 'utf16le' || encoding === 'utf-16le') {
+ if (arr.length < 2 || val.length < 2) {
+ return -1
+ }
+ indexSize = 2
+ arrLength /= 2
+ valLength /= 2
+ byteOffset /= 2
}
}
- if (r.t > 0) r[r.t - 1] += x.am(i, x[i], r, 2 * i, 0, 1)
- r.s = 0
- r.clamp()
-}
-// (protected) divide this by m, quotient and remainder to q, r (HAC 14.20)
-// r != q, this != m. q or r may be null.
-function bnpDivRemTo(m, q, r) {
- var self = this
- var pm = m.abs()
- if (pm.t <= 0) return
- var pt = self.abs()
- if (pt.t < pm.t) {
- if (q != null) q.fromInt(0)
- if (r != null) self.copyTo(r)
- return
+ function read (buf, i) {
+ if (indexSize === 1) {
+ return buf[i]
+ } else {
+ return buf.readUInt16BE(i * indexSize)
+ }
}
- if (r == null) r = new BigInteger()
- var y = new BigInteger(),
- ts = self.s,
- ms = m.s
- var nsh = self.DB - nbits(pm[pm.t - 1]); // normalize modulus
- if (nsh > 0) {
- pm.lShiftTo(nsh, y)
- pt.lShiftTo(nsh, r)
+
+ var i
+ if (dir) {
+ var foundIndex = -1
+ for (i = byteOffset; i < arrLength; i++) {
+ if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+ if (foundIndex === -1) foundIndex = i
+ if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+ } else {
+ if (foundIndex !== -1) i -= i - foundIndex
+ foundIndex = -1
+ }
+ }
} else {
- pm.copyTo(y)
- pt.copyTo(r)
- }
- var ys = y.t
- var y0 = y[ys - 1]
- if (y0 == 0) return
- var yt = y0 * (1 << self.F1) + ((ys > 1) ? y[ys - 2] >> self.F2 : 0)
- var d1 = self.FV / yt,
- d2 = (1 << self.F1) / yt,
- e = 1 << self.F2
- var i = r.t,
- j = i - ys,
- t = (q == null) ? new BigInteger() : q
- y.dlShiftTo(j, t)
- if (r.compareTo(t) >= 0) {
- r[r.t++] = 1
- r.subTo(t, r)
- }
- BigInteger.ONE.dlShiftTo(ys, t)
- t.subTo(y, y); // "negative" y so we can replace sub with am later
- while (y.t < ys) y[y.t++] = 0
- while (--j >= 0) {
- // Estimate quotient digit
- var qd = (r[--i] == y0) ? self.DM : Math.floor(r[i] * d1 + (r[i - 1] + e) * d2)
- if ((r[i] += y.am(0, qd, r, j, 0, ys)) < qd) { // Try it out
- y.dlShiftTo(j, t)
- r.subTo(t, r)
- while (r[i] < --qd) r.subTo(t, r)
+ if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
+ for (i = byteOffset; i >= 0; i--) {
+ var found = true
+ for (var j = 0; j < valLength; j++) {
+ if (read(arr, i + j) !== read(val, j)) {
+ found = false
+ break
+ }
+ }
+ if (found) return i
}
}
- if (q != null) {
- r.drShiftTo(ys, q)
- if (ts != ms) BigInteger.ZERO.subTo(q, q)
- }
- r.t = ys
- r.clamp()
- if (nsh > 0) r.rShiftTo(nsh, r); // Denormalize remainder
- if (ts < 0) BigInteger.ZERO.subTo(r, r)
-}
-// (public) this mod a
-function bnMod(a) {
- var r = new BigInteger()
- this.abs()
- .divRemTo(a, null, r)
- if (this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r, r)
- return r
+ return -1
}
-// Modular reduction using "classic" algorithm
-function Classic(m) {
- this.m = m
+Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
+ return this.indexOf(val, byteOffset, encoding) !== -1
}
-function cConvert(x) {
- if (x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m)
- else return x
+Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+ return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
}
-function cRevert(x) {
- return x
+Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+ return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
}
-function cReduce(x) {
- x.divRemTo(this.m, null, x)
-}
+function hexWrite (buf, string, offset, length) {
+ offset = Number(offset) || 0
+ var remaining = buf.length - offset
+ if (!length) {
+ length = remaining
+ } else {
+ length = Number(length)
+ if (length > remaining) {
+ length = remaining
+ }
+ }
-function cMulTo(x, y, r) {
- x.multiplyTo(y, r)
- this.reduce(r)
-}
+ // must be an even number of digits
+ var strLen = string.length
+ if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
-function cSqrTo(x, r) {
- x.squareTo(r)
- this.reduce(r)
+ if (length > strLen / 2) {
+ length = strLen / 2
+ }
+ for (var i = 0; i < length; ++i) {
+ var parsed = parseInt(string.substr(i * 2, 2), 16)
+ if (numberIsNaN(parsed)) return i
+ buf[offset + i] = parsed
+ }
+ return i
}
-Classic.prototype.convert = cConvert
-Classic.prototype.revert = cRevert
-Classic.prototype.reduce = cReduce
-Classic.prototype.mulTo = cMulTo
-Classic.prototype.sqrTo = cSqrTo
+function utf8Write (buf, string, offset, length) {
+ return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+}
-// (protected) return "-1/this % 2^DB"; useful for Mont. reduction
-// justification:
-// xy == 1 (mod m)
-// xy = 1+km
-// xy(2-xy) = (1+km)(1-km)
-// x[y(2-xy)] = 1-k^2m^2
-// x[y(2-xy)] == 1 (mod m^2)
-// if y is 1/x mod m, then y(2-xy) is 1/x mod m^2
-// should reduce x and y(2-xy) by m^2 at each step to keep size bounded.
-// JS multiply "overflows" differently from C/C++, so care is needed here.
-function bnpInvDigit() {
- if (this.t < 1) return 0
- var x = this[0]
- if ((x & 1) == 0) return 0
- var y = x & 3; // y == 1/x mod 2^2
- y = (y * (2 - (x & 0xf) * y)) & 0xf; // y == 1/x mod 2^4
- y = (y * (2 - (x & 0xff) * y)) & 0xff; // y == 1/x mod 2^8
- y = (y * (2 - (((x & 0xffff) * y) & 0xffff))) & 0xffff; // y == 1/x mod 2^16
- // last step - calculate inverse mod DV directly
- // assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints
- y = (y * (2 - x * y % this.DV)) % this.DV; // y == 1/x mod 2^dbits
- // we really want the negative inverse, and -DV < y < DV
- return (y > 0) ? this.DV - y : -y
+function asciiWrite (buf, string, offset, length) {
+ return blitBuffer(asciiToBytes(string), buf, offset, length)
}
-// Montgomery reduction
-function Montgomery(m) {
- this.m = m
- this.mp = m.invDigit()
- this.mpl = this.mp & 0x7fff
- this.mph = this.mp >> 15
- this.um = (1 << (m.DB - 15)) - 1
- this.mt2 = 2 * m.t
+function latin1Write (buf, string, offset, length) {
+ return asciiWrite(buf, string, offset, length)
}
-// xR mod m
-function montConvert(x) {
- var r = new BigInteger()
- x.abs()
- .dlShiftTo(this.m.t, r)
- r.divRemTo(this.m, null, r)
- if (x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r, r)
- return r
+function base64Write (buf, string, offset, length) {
+ return blitBuffer(base64ToBytes(string), buf, offset, length)
}
-// x/R mod m
-function montRevert(x) {
- var r = new BigInteger()
- x.copyTo(r)
- this.reduce(r)
- return r
+function ucs2Write (buf, string, offset, length) {
+ return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
}
-// x = x/R mod m (HAC 14.32)
-function montReduce(x) {
- while (x.t <= this.mt2) // pad x so am has enough room later
- x[x.t++] = 0
- for (var i = 0; i < this.m.t; ++i) {
- // faster way of calculating u0 = x[i]*mp mod DV
- var j = x[i] & 0x7fff
- var u0 = (j * this.mpl + (((j * this.mph + (x[i] >> 15) * this.mpl) & this.um) << 15)) & x.DM
- // use am to combine the multiply-shift-add into one call
- j = i + this.m.t
- x[j] += this.m.am(0, u0, x, i, 0, this.m.t)
- // propagate carry
- while (x[j] >= x.DV) {
- x[j] -= x.DV
- x[++j]++
+Buffer.prototype.write = function write (string, offset, length, encoding) {
+ // Buffer#write(string)
+ if (offset === undefined) {
+ encoding = 'utf8'
+ length = this.length
+ offset = 0
+ // Buffer#write(string, encoding)
+ } else if (length === undefined && typeof offset === 'string') {
+ encoding = offset
+ length = this.length
+ offset = 0
+ // Buffer#write(string, offset[, length][, encoding])
+ } else if (isFinite(offset)) {
+ offset = offset >>> 0
+ if (isFinite(length)) {
+ length = length >>> 0
+ if (encoding === undefined) encoding = 'utf8'
+ } else {
+ encoding = length
+ length = undefined
}
+ } else {
+ throw new Error(
+ 'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+ )
}
- x.clamp()
- x.drShiftTo(this.m.t, x)
- if (x.compareTo(this.m) >= 0) x.subTo(this.m, x)
-}
-// r = "x^2/R mod m"; x != r
-function montSqrTo(x, r) {
- x.squareTo(r)
- this.reduce(r)
-}
+ var remaining = this.length - offset
+ if (length === undefined || length > remaining) length = remaining
-// r = "xy/R mod m"; x,y != r
-function montMulTo(x, y, r) {
- x.multiplyTo(y, r)
- this.reduce(r)
-}
+ if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+ throw new RangeError('Attempt to write outside buffer bounds')
+ }
-Montgomery.prototype.convert = montConvert
-Montgomery.prototype.revert = montRevert
-Montgomery.prototype.reduce = montReduce
-Montgomery.prototype.mulTo = montMulTo
-Montgomery.prototype.sqrTo = montSqrTo
+ if (!encoding) encoding = 'utf8'
-// (protected) true iff this is even
-function bnpIsEven() {
- return ((this.t > 0) ? (this[0] & 1) : this.s) == 0
-}
+ var loweredCase = false
+ for (;;) {
+ switch (encoding) {
+ case 'hex':
+ return hexWrite(this, string, offset, length)
-// (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79)
-function bnpExp(e, z) {
- if (e > 0xffffffff || e < 1) return BigInteger.ONE
- var r = new BigInteger(),
- r2 = new BigInteger(),
- g = z.convert(this),
- i = nbits(e) - 1
- g.copyTo(r)
- while (--i >= 0) {
- z.sqrTo(r, r2)
- if ((e & (1 << i)) > 0) z.mulTo(r2, g, r)
- else {
- var t = r
- r = r2
- r2 = t
+ case 'utf8':
+ case 'utf-8':
+ return utf8Write(this, string, offset, length)
+
+ case 'ascii':
+ return asciiWrite(this, string, offset, length)
+
+ case 'latin1':
+ case 'binary':
+ return latin1Write(this, string, offset, length)
+
+ case 'base64':
+ // Warning: maxLength not taken into account in base64Write
+ return base64Write(this, string, offset, length)
+
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return ucs2Write(this, string, offset, length)
+
+ default:
+ if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+ encoding = ('' + encoding).toLowerCase()
+ loweredCase = true
}
}
- return z.revert(r)
-}
-
-// (public) this^e % m, 0 <= e < 2^32
-function bnModPowInt(e, m) {
- var z
- if (e < 256 || m.isEven()) z = new Classic(m)
- else z = new Montgomery(m)
- return this.exp(e, z)
}
-// protected
-proto.copyTo = bnpCopyTo
-proto.fromInt = bnpFromInt
-proto.fromString = bnpFromString
-proto.clamp = bnpClamp
-proto.dlShiftTo = bnpDLShiftTo
-proto.drShiftTo = bnpDRShiftTo
-proto.lShiftTo = bnpLShiftTo
-proto.rShiftTo = bnpRShiftTo
-proto.subTo = bnpSubTo
-proto.multiplyTo = bnpMultiplyTo
-proto.squareTo = bnpSquareTo
-proto.divRemTo = bnpDivRemTo
-proto.invDigit = bnpInvDigit
-proto.isEven = bnpIsEven
-proto.exp = bnpExp
-
-// public
-proto.toString = bnToString
-proto.negate = bnNegate
-proto.abs = bnAbs
-proto.compareTo = bnCompareTo
-proto.bitLength = bnBitLength
-proto.byteLength = bnByteLength
-proto.mod = bnMod
-proto.modPowInt = bnModPowInt
-
-// (public)
-function bnClone() {
- var r = new BigInteger()
- this.copyTo(r)
- return r
-}
-
-// (public) return value as integer
-function bnIntValue() {
- if (this.s < 0) {
- if (this.t == 1) return this[0] - this.DV
- else if (this.t == 0) return -1
- } else if (this.t == 1) return this[0]
- else if (this.t == 0) return 0
- // assumes 16 < DB < 32
- return ((this[1] & ((1 << (32 - this.DB)) - 1)) << this.DB) | this[0]
-}
-
-// (public) return value as byte
-function bnByteValue() {
- return (this.t == 0) ? this.s : (this[0] << 24) >> 24
+Buffer.prototype.toJSON = function toJSON () {
+ return {
+ type: 'Buffer',
+ data: Array.prototype.slice.call(this._arr || this, 0)
+ }
}
-// (public) return value as short (assumes DB>=16)
-function bnShortValue() {
- return (this.t == 0) ? this.s : (this[0] << 16) >> 16
+function base64Slice (buf, start, end) {
+ if (start === 0 && end === buf.length) {
+ return base64.fromByteArray(buf)
+ } else {
+ return base64.fromByteArray(buf.slice(start, end))
+ }
}
-// (protected) return x s.t. r^x < DV
-function bnpChunkSize(r) {
- return Math.floor(Math.LN2 * this.DB / Math.log(r))
-}
+function utf8Slice (buf, start, end) {
+ end = Math.min(buf.length, end)
+ var res = []
-// (public) 0 if this == 0, 1 if this > 0
-function bnSigNum() {
- if (this.s < 0) return -1
- else if (this.t <= 0 || (this.t == 1 && this[0] <= 0)) return 0
- else return 1
-}
+ var i = start
+ while (i < end) {
+ var firstByte = buf[i]
+ var codePoint = null
+ var bytesPerSequence = (firstByte > 0xEF) ? 4
+ : (firstByte > 0xDF) ? 3
+ : (firstByte > 0xBF) ? 2
+ : 1
-// (protected) convert to radix string
-function bnpToRadix(b) {
- if (b == null) b = 10
- if (this.signum() == 0 || b < 2 || b > 36) return "0"
- var cs = this.chunkSize(b)
- var a = Math.pow(b, cs)
- var d = nbv(a),
- y = new BigInteger(),
- z = new BigInteger(),
- r = ""
- this.divRemTo(d, y, z)
- while (y.signum() > 0) {
- r = (a + z.intValue())
- .toString(b)
- .substr(1) + r
- y.divRemTo(d, y, z)
- }
- return z.intValue()
- .toString(b) + r
-}
+ if (i + bytesPerSequence <= end) {
+ var secondByte, thirdByte, fourthByte, tempCodePoint
-// (protected) convert from radix string
-function bnpFromRadix(s, b) {
- var self = this
- self.fromInt(0)
- if (b == null) b = 10
- var cs = self.chunkSize(b)
- var d = Math.pow(b, cs),
- mi = false,
- j = 0,
- w = 0
- for (var i = 0; i < s.length; ++i) {
- var x = intAt(s, i)
- if (x < 0) {
- if (s.charAt(i) == "-" && self.signum() == 0) mi = true
- continue
+ switch (bytesPerSequence) {
+ case 1:
+ if (firstByte < 0x80) {
+ codePoint = firstByte
+ }
+ break
+ case 2:
+ secondByte = buf[i + 1]
+ if ((secondByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
+ if (tempCodePoint > 0x7F) {
+ codePoint = tempCodePoint
+ }
+ }
+ break
+ case 3:
+ secondByte = buf[i + 1]
+ thirdByte = buf[i + 2]
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
+ if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+ codePoint = tempCodePoint
+ }
+ }
+ break
+ case 4:
+ secondByte = buf[i + 1]
+ thirdByte = buf[i + 2]
+ fourthByte = buf[i + 3]
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
+ if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+ codePoint = tempCodePoint
+ }
+ }
+ }
}
- w = b * w + x
- if (++j >= cs) {
- self.dMultiply(d)
- self.dAddOffset(w, 0)
- j = 0
- w = 0
+
+ if (codePoint === null) {
+ // we did not generate a valid codePoint so insert a
+ // replacement char (U+FFFD) and advance only 1 byte
+ codePoint = 0xFFFD
+ bytesPerSequence = 1
+ } else if (codePoint > 0xFFFF) {
+ // encode to utf16 (surrogate pair dance)
+ codePoint -= 0x10000
+ res.push(codePoint >>> 10 & 0x3FF | 0xD800)
+ codePoint = 0xDC00 | codePoint & 0x3FF
}
+
+ res.push(codePoint)
+ i += bytesPerSequence
}
- if (j > 0) {
- self.dMultiply(Math.pow(b, j))
- self.dAddOffset(w, 0)
- }
- if (mi) BigInteger.ZERO.subTo(self, self)
+
+ return decodeCodePointsArray(res)
}
-// (protected) alternate constructor
-function bnpFromNumber(a, b, c) {
- var self = this
- if ("number" == typeof b) {
- // new BigInteger(int,int,RNG)
- if (a < 2) self.fromInt(1)
- else {
- self.fromNumber(a, c)
- if (!self.testBit(a - 1)) // force MSB set
- self.bitwiseTo(BigInteger.ONE.shiftLeft(a - 1), op_or, self)
- if (self.isEven()) self.dAddOffset(1, 0); // force odd
- while (!self.isProbablePrime(b)) {
- self.dAddOffset(2, 0)
- if (self.bitLength() > a) self.subTo(BigInteger.ONE.shiftLeft(a - 1), self)
- }
- }
- } else {
- // new BigInteger(int,RNG)
- var x = new Array(),
- t = a & 7
- x.length = (a >> 3) + 1
- b.nextBytes(x)
- if (t > 0) x[0] &= ((1 << t) - 1)
- else x[0] = 0
- self.fromString(x, 256)
+// Based on http://stackoverflow.com/a/22747272/680742, the browser with
+// the lowest limit is Chrome, with 0x10000 args.
+// We go 1 magnitude less, for safety
+var MAX_ARGUMENTS_LENGTH = 0x1000
+
+function decodeCodePointsArray (codePoints) {
+ var len = codePoints.length
+ if (len <= MAX_ARGUMENTS_LENGTH) {
+ return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
}
-}
-// (public) convert to bigendian byte array
-function bnToByteArray() {
- var self = this
- var i = self.t,
- r = new Array()
- r[0] = self.s
- var p = self.DB - (i * self.DB) % 8,
- d, k = 0
- if (i-- > 0) {
- if (p < self.DB && (d = self[i] >> p) != (self.s & self.DM) >> p)
- r[k++] = d | (self.s << (self.DB - p))
- while (i >= 0) {
- if (p < 8) {
- d = (self[i] & ((1 << p) - 1)) << (8 - p)
- d |= self[--i] >> (p += self.DB - 8)
- } else {
- d = (self[i] >> (p -= 8)) & 0xff
- if (p <= 0) {
- p += self.DB
- --i
- }
- }
- if ((d & 0x80) != 0) d |= -256
- if (k === 0 && (self.s & 0x80) != (d & 0x80))++k
- if (k > 0 || d != self.s) r[k++] = d
- }
+ // Decode in chunks to avoid "call stack size exceeded".
+ var res = ''
+ var i = 0
+ while (i < len) {
+ res += String.fromCharCode.apply(
+ String,
+ codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
+ )
}
- return r
+ return res
}
-function bnEquals(a) {
- return (this.compareTo(a) == 0)
-}
+function asciiSlice (buf, start, end) {
+ var ret = ''
+ end = Math.min(buf.length, end)
-function bnMin(a) {
- return (this.compareTo(a) < 0) ? this : a
+ for (var i = start; i < end; ++i) {
+ ret += String.fromCharCode(buf[i] & 0x7F)
+ }
+ return ret
}
-function bnMax(a) {
- return (this.compareTo(a) > 0) ? this : a
-}
+function latin1Slice (buf, start, end) {
+ var ret = ''
+ end = Math.min(buf.length, end)
-// (protected) r = this op a (bitwise)
-function bnpBitwiseTo(a, op, r) {
- var self = this
- var i, f, m = Math.min(a.t, self.t)
- for (i = 0; i < m; ++i) r[i] = op(self[i], a[i])
- if (a.t < self.t) {
- f = a.s & self.DM
- for (i = m; i < self.t; ++i) r[i] = op(self[i], f)
- r.t = self.t
- } else {
- f = self.s & self.DM
- for (i = m; i < a.t; ++i) r[i] = op(f, a[i])
- r.t = a.t
+ for (var i = start; i < end; ++i) {
+ ret += String.fromCharCode(buf[i])
}
- r.s = op(self.s, a.s)
- r.clamp()
+ return ret
}
-// (public) this & a
-function op_and(x, y) {
- return x & y
-}
+function hexSlice (buf, start, end) {
+ var len = buf.length
-function bnAnd(a) {
- var r = new BigInteger()
- this.bitwiseTo(a, op_and, r)
- return r
-}
+ if (!start || start < 0) start = 0
+ if (!end || end < 0 || end > len) end = len
-// (public) this | a
-function op_or(x, y) {
- return x | y
+ var out = ''
+ for (var i = start; i < end; ++i) {
+ out += toHex(buf[i])
+ }
+ return out
}
-function bnOr(a) {
- var r = new BigInteger()
- this.bitwiseTo(a, op_or, r)
- return r
+function utf16leSlice (buf, start, end) {
+ var bytes = buf.slice(start, end)
+ var res = ''
+ for (var i = 0; i < bytes.length; i += 2) {
+ res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
+ }
+ return res
}
-// (public) this ^ a
-function op_xor(x, y) {
- return x ^ y
-}
+Buffer.prototype.slice = function slice (start, end) {
+ var len = this.length
+ start = ~~start
+ end = end === undefined ? len : ~~end
-function bnXor(a) {
- var r = new BigInteger()
- this.bitwiseTo(a, op_xor, r)
- return r
-}
+ if (start < 0) {
+ start += len
+ if (start < 0) start = 0
+ } else if (start > len) {
+ start = len
+ }
-// (public) this & ~a
-function op_andnot(x, y) {
- return x & ~y
-}
+ if (end < 0) {
+ end += len
+ if (end < 0) end = 0
+ } else if (end > len) {
+ end = len
+ }
-function bnAndNot(a) {
- var r = new BigInteger()
- this.bitwiseTo(a, op_andnot, r)
- return r
-}
+ if (end < start) end = start
-// (public) ~this
-function bnNot() {
- var r = new BigInteger()
- for (var i = 0; i < this.t; ++i) r[i] = this.DM & ~this[i]
- r.t = this.t
- r.s = ~this.s
- return r
+ var newBuf = this.subarray(start, end)
+ // Return an augmented `Uint8Array` instance
+ newBuf.__proto__ = Buffer.prototype
+ return newBuf
}
-// (public) this << n
-function bnShiftLeft(n) {
- var r = new BigInteger()
- if (n < 0) this.rShiftTo(-n, r)
- else this.lShiftTo(n, r)
- return r
+/*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+function checkOffset (offset, ext, length) {
+ if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+ if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
}
-// (public) this >> n
-function bnShiftRight(n) {
- var r = new BigInteger()
- if (n < 0) this.lShiftTo(-n, r)
- else this.rShiftTo(n, r)
- return r
-}
+Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
-// return index of lowest 1-bit in x, x < 2^31
-function lbit(x) {
- if (x == 0) return -1
- var r = 0
- if ((x & 0xffff) == 0) {
- x >>= 16
- r += 16
- }
- if ((x & 0xff) == 0) {
- x >>= 8
- r += 8
- }
- if ((x & 0xf) == 0) {
- x >>= 4
- r += 4
- }
- if ((x & 3) == 0) {
- x >>= 2
- r += 2
+ var val = this[offset]
+ var mul = 1
+ var i = 0
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul
}
- if ((x & 1) == 0)++r
- return r
-}
-// (public) returns index of lowest 1-bit (or -1 if none)
-function bnGetLowestSetBit() {
- for (var i = 0; i < this.t; ++i)
- if (this[i] != 0) return i * this.DB + lbit(this[i])
- if (this.s < 0) return this.t * this.DB
- return -1
+ return val
}
-// return number of 1 bits in x
-function cbit(x) {
- var r = 0
- while (x != 0) {
- x &= x - 1
- ++r
+Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) {
+ checkOffset(offset, byteLength, this.length)
}
- return r
-}
-// (public) return number of set bits
-function bnBitCount() {
- var r = 0,
- x = this.s & this.DM
- for (var i = 0; i < this.t; ++i) r += cbit(this[i] ^ x)
- return r
+ var val = this[offset + --byteLength]
+ var mul = 1
+ while (byteLength > 0 && (mul *= 0x100)) {
+ val += this[offset + --byteLength] * mul
+ }
+
+ return val
}
-// (public) true iff nth bit is set
-function bnTestBit(n) {
- var j = Math.floor(n / this.DB)
- if (j >= this.t) return (this.s != 0)
- return ((this[j] & (1 << (n % this.DB))) != 0)
+Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 1, this.length)
+ return this[offset]
}
-// (protected) this op (1<<n)
-function bnpChangeBit(n, op) {
- var r = BigInteger.ONE.shiftLeft(n)
- this.bitwiseTo(r, op, r)
- return r
+Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ return this[offset] | (this[offset + 1] << 8)
}
-// (public) this | (1<<n)
-function bnSetBit(n) {
- return this.changeBit(n, op_or)
+Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ return (this[offset] << 8) | this[offset + 1]
}
-// (public) this & ~(1<<n)
-function bnClearBit(n) {
- return this.changeBit(n, op_andnot)
+Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
+
+ return ((this[offset]) |
+ (this[offset + 1] << 8) |
+ (this[offset + 2] << 16)) +
+ (this[offset + 3] * 0x1000000)
}
-// (public) this ^ (1<<n)
-function bnFlipBit(n) {
- return this.changeBit(n, op_xor)
+Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
+
+ return (this[offset] * 0x1000000) +
+ ((this[offset + 1] << 16) |
+ (this[offset + 2] << 8) |
+ this[offset + 3])
}
-// (protected) r = this + a
-function bnpAddTo(a, r) {
- var self = this
+Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
- var i = 0,
- c = 0,
- m = Math.min(a.t, self.t)
- while (i < m) {
- c += self[i] + a[i]
- r[i++] = c & self.DM
- c >>= self.DB
- }
- if (a.t < self.t) {
- c += a.s
- while (i < self.t) {
- c += self[i]
- r[i++] = c & self.DM
- c >>= self.DB
- }
- c += self.s
- } else {
- c += self.s
- while (i < a.t) {
- c += a[i]
- r[i++] = c & self.DM
- c >>= self.DB
- }
- c += a.s
+ var val = this[offset]
+ var mul = 1
+ var i = 0
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul
}
- r.s = (c < 0) ? -1 : 0
- if (c > 0) r[i++] = c
- else if (c < -1) r[i++] = self.DV + c
- r.t = i
- r.clamp()
-}
+ mul *= 0x80
-// (public) this + a
-function bnAdd(a) {
- var r = new BigInteger()
- this.addTo(a, r)
- return r
-}
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength)
-// (public) this - a
-function bnSubtract(a) {
- var r = new BigInteger()
- this.subTo(a, r)
- return r
+ return val
}
-// (public) this * a
-function bnMultiply(a) {
- var r = new BigInteger()
- this.multiplyTo(a, r)
- return r
-}
+Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
-// (public) this^2
-function bnSquare() {
- var r = new BigInteger()
- this.squareTo(r)
- return r
-}
+ var i = byteLength
+ var mul = 1
+ var val = this[offset + --i]
+ while (i > 0 && (mul *= 0x100)) {
+ val += this[offset + --i] * mul
+ }
+ mul *= 0x80
-// (public) this / a
-function bnDivide(a) {
- var r = new BigInteger()
- this.divRemTo(a, r, null)
- return r
-}
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength)
-// (public) this % a
-function bnRemainder(a) {
- var r = new BigInteger()
- this.divRemTo(a, null, r)
- return r
+ return val
}
-// (public) [this/a,this%a]
-function bnDivideAndRemainder(a) {
- var q = new BigInteger(),
- r = new BigInteger()
- this.divRemTo(a, q, r)
- return new Array(q, r)
+Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 1, this.length)
+ if (!(this[offset] & 0x80)) return (this[offset])
+ return ((0xff - this[offset] + 1) * -1)
}
-// (protected) this *= n, this >= 0, 1 < n < DV
-function bnpDMultiply(n) {
- this[this.t] = this.am(0, n - 1, this, 0, 0, this.t)
- ++this.t
- this.clamp()
+Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ var val = this[offset] | (this[offset + 1] << 8)
+ return (val & 0x8000) ? val | 0xFFFF0000 : val
}
-// (protected) this += n << w words, this >= 0
-function bnpDAddOffset(n, w) {
- if (n == 0) return
- while (this.t <= w) this[this.t++] = 0
- this[w] += n
- while (this[w] >= this.DV) {
- this[w] -= this.DV
- if (++w >= this.t) this[this.t++] = 0
- ++this[w]
- }
+Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ var val = this[offset + 1] | (this[offset] << 8)
+ return (val & 0x8000) ? val | 0xFFFF0000 : val
}
-// A "null" reducer
-function NullExp() {}
+Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
-function nNop(x) {
- return x
+ return (this[offset]) |
+ (this[offset + 1] << 8) |
+ (this[offset + 2] << 16) |
+ (this[offset + 3] << 24)
}
-function nMulTo(x, y, r) {
- x.multiplyTo(y, r)
-}
+Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
-function nSqrTo(x, r) {
- x.squareTo(r)
+ return (this[offset] << 24) |
+ (this[offset + 1] << 16) |
+ (this[offset + 2] << 8) |
+ (this[offset + 3])
}
-NullExp.prototype.convert = nNop
-NullExp.prototype.revert = nNop
-NullExp.prototype.mulTo = nMulTo
-NullExp.prototype.sqrTo = nSqrTo
+Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
+ return ieee754.read(this, offset, true, 23, 4)
+}
-// (public) this^e
-function bnPow(e) {
- return this.exp(e, new NullExp())
+Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
+ return ieee754.read(this, offset, false, 23, 4)
}
-// (protected) r = lower n words of "this * a", a.t <= n
-// "this" should be the larger one if appropriate.
-function bnpMultiplyLowerTo(a, n, r) {
- var i = Math.min(this.t + a.t, n)
- r.s = 0; // assumes a,this >= 0
- r.t = i
- while (i > 0) r[--i] = 0
- var j
- for (j = r.t - this.t; i < j; ++i) r[i + this.t] = this.am(0, a[i], r, i, 0, this.t)
- for (j = Math.min(a.t, n); i < j; ++i) this.am(0, a[i], r, i, 0, n - i)
- r.clamp()
+Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 8, this.length)
+ return ieee754.read(this, offset, true, 52, 8)
}
-// (protected) r = "this * a" without lower n words, n > 0
-// "this" should be the larger one if appropriate.
-function bnpMultiplyUpperTo(a, n, r) {
- --n
- var i = r.t = this.t + a.t - n
- r.s = 0; // assumes a,this >= 0
- while (--i >= 0) r[i] = 0
- for (i = Math.max(n - this.t, 0); i < a.t; ++i)
- r[this.t + i - n] = this.am(n - i, a[i], r, 0, 0, this.t + i - n)
- r.clamp()
- r.drShiftTo(1, r)
+Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 8, this.length)
+ return ieee754.read(this, offset, false, 52, 8)
}
-// Barrett modular reduction
-function Barrett(m) {
- // setup Barrett
- this.r2 = new BigInteger()
- this.q3 = new BigInteger()
- BigInteger.ONE.dlShiftTo(2 * m.t, this.r2)
- this.mu = this.r2.divide(m)
- this.m = m
+function checkInt (buf, value, offset, ext, max, min) {
+ if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+ if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+ if (offset + ext > buf.length) throw new RangeError('Index out of range')
}
-function barrettConvert(x) {
- if (x.s < 0 || x.t > 2 * this.m.t) return x.mod(this.m)
- else if (x.compareTo(this.m) < 0) return x
- else {
- var r = new BigInteger()
- x.copyTo(r)
- this.reduce(r)
- return r
+Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) {
+ var maxBytes = Math.pow(2, 8 * byteLength) - 1
+ checkInt(this, value, offset, byteLength, maxBytes, 0)
}
-}
-function barrettRevert(x) {
- return x
+ var mul = 1
+ var i = 0
+ this[offset] = value & 0xFF
+ while (++i < byteLength && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF
+ }
+
+ return offset + byteLength
}
-// x = x mod m (HAC 14.42)
-function barrettReduce(x) {
- var self = this
- x.drShiftTo(self.m.t - 1, self.r2)
- if (x.t > self.m.t + 1) {
- x.t = self.m.t + 1
- x.clamp()
+Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) {
+ var maxBytes = Math.pow(2, 8 * byteLength) - 1
+ checkInt(this, value, offset, byteLength, maxBytes, 0)
}
- self.mu.multiplyUpperTo(self.r2, self.m.t + 1, self.q3)
- self.m.multiplyLowerTo(self.q3, self.m.t + 1, self.r2)
- while (x.compareTo(self.r2) < 0) x.dAddOffset(1, self.m.t + 1)
- x.subTo(self.r2, x)
- while (x.compareTo(self.m) >= 0) x.subTo(self.m, x)
+
+ var i = byteLength - 1
+ var mul = 1
+ this[offset + i] = value & 0xFF
+ while (--i >= 0 && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF
+ }
+
+ return offset + byteLength
}
-// r = x^2 mod m; x != r
-function barrettSqrTo(x, r) {
- x.squareTo(r)
- this.reduce(r)
+Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
+ this[offset] = (value & 0xff)
+ return offset + 1
}
-// r = x*y mod m; x,y != r
-function barrettMulTo(x, y, r) {
- x.multiplyTo(y, r)
- this.reduce(r)
+Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+ this[offset] = (value & 0xff)
+ this[offset + 1] = (value >>> 8)
+ return offset + 2
}
-Barrett.prototype.convert = barrettConvert
-Barrett.prototype.revert = barrettRevert
-Barrett.prototype.reduce = barrettReduce
-Barrett.prototype.mulTo = barrettMulTo
-Barrett.prototype.sqrTo = barrettSqrTo
+Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+ this[offset] = (value >>> 8)
+ this[offset + 1] = (value & 0xff)
+ return offset + 2
+}
-// (public) this^e % m (HAC 14.85)
-function bnModPow(e, m) {
- var i = e.bitLength(),
- k, r = nbv(1),
- z
- if (i <= 0) return r
- else if (i < 18) k = 1
- else if (i < 48) k = 3
- else if (i < 144) k = 4
- else if (i < 768) k = 5
- else k = 6
- if (i < 8)
- z = new Classic(m)
- else if (m.isEven())
- z = new Barrett(m)
- else
- z = new Montgomery(m)
+Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+ this[offset + 3] = (value >>> 24)
+ this[offset + 2] = (value >>> 16)
+ this[offset + 1] = (value >>> 8)
+ this[offset] = (value & 0xff)
+ return offset + 4
+}
- // precomputation
- var g = new Array(),
- n = 3,
- k1 = k - 1,
- km = (1 << k) - 1
- g[1] = z.convert(this)
- if (k > 1) {
- var g2 = new BigInteger()
- z.sqrTo(g[1], g2)
- while (n <= km) {
- g[n] = new BigInteger()
- z.mulTo(g2, g[n - 2], g[n])
- n += 2
- }
- }
+Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+ this[offset] = (value >>> 24)
+ this[offset + 1] = (value >>> 16)
+ this[offset + 2] = (value >>> 8)
+ this[offset + 3] = (value & 0xff)
+ return offset + 4
+}
- var j = e.t - 1,
- w, is1 = true,
- r2 = new BigInteger(),
- t
- i = nbits(e[j]) - 1
- while (j >= 0) {
- if (i >= k1) w = (e[j] >> (i - k1)) & km
- else {
- w = (e[j] & ((1 << (i + 1)) - 1)) << (k1 - i)
- if (j > 0) w |= e[j - 1] >> (this.DB + i - k1)
- }
+Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) {
+ var limit = Math.pow(2, (8 * byteLength) - 1)
- n = k
- while ((w & 1) == 0) {
- w >>= 1
- --n
- }
- if ((i -= n) < 0) {
- i += this.DB
- --j
- }
- if (is1) { // ret == 1, don't bother squaring or multiplying it
- g[w].copyTo(r)
- is1 = false
- } else {
- while (n > 1) {
- z.sqrTo(r, r2)
- z.sqrTo(r2, r)
- n -= 2
- }
- if (n > 0) z.sqrTo(r, r2)
- else {
- t = r
- r = r2
- r2 = t
- }
- z.mulTo(r2, g[w], r)
- }
+ checkInt(this, value, offset, byteLength, limit - 1, -limit)
+ }
- while (j >= 0 && (e[j] & (1 << i)) == 0) {
- z.sqrTo(r, r2)
- t = r
- r = r2
- r2 = t
- if (--i < 0) {
- i = this.DB - 1
- --j
- }
+ var i = 0
+ var mul = 1
+ var sub = 0
+ this[offset] = value & 0xFF
+ while (++i < byteLength && (mul *= 0x100)) {
+ if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+ sub = 1
}
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
}
- return z.revert(r)
+
+ return offset + byteLength
}
-// (public) gcd(this,a) (HAC 14.54)
-function bnGCD(a) {
- var x = (this.s < 0) ? this.negate() : this.clone()
- var y = (a.s < 0) ? a.negate() : a.clone()
- if (x.compareTo(y) < 0) {
- var t = x
- x = y
- y = t
- }
- var i = x.getLowestSetBit(),
- g = y.getLowestSetBit()
- if (g < 0) return x
- if (i < g) g = i
- if (g > 0) {
- x.rShiftTo(g, x)
- y.rShiftTo(g, y)
+Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) {
+ var limit = Math.pow(2, (8 * byteLength) - 1)
+
+ checkInt(this, value, offset, byteLength, limit - 1, -limit)
}
- while (x.signum() > 0) {
- if ((i = x.getLowestSetBit()) > 0) x.rShiftTo(i, x)
- if ((i = y.getLowestSetBit()) > 0) y.rShiftTo(i, y)
- if (x.compareTo(y) >= 0) {
- x.subTo(y, x)
- x.rShiftTo(1, x)
- } else {
- y.subTo(x, y)
- y.rShiftTo(1, y)
+
+ var i = byteLength - 1
+ var mul = 1
+ var sub = 0
+ this[offset + i] = value & 0xFF
+ while (--i >= 0 && (mul *= 0x100)) {
+ if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+ sub = 1
}
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
}
- if (g > 0) y.lShiftTo(g, y)
- return y
+
+ return offset + byteLength
}
-// (protected) this % n, n < 2^26
-function bnpModInt(n) {
- if (n <= 0) return 0
- var d = this.DV % n,
- r = (this.s < 0) ? n - 1 : 0
- if (this.t > 0)
- if (d == 0) r = this[0] % n
- else
- for (var i = this.t - 1; i >= 0; --i) r = (d * r + this[i]) % n
- return r
+Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
+ if (value < 0) value = 0xff + value + 1
+ this[offset] = (value & 0xff)
+ return offset + 1
}
-// (public) 1/this % m (HAC 14.61)
-function bnModInverse(m) {
- var ac = m.isEven()
- if ((this.isEven() && ac) || m.signum() == 0) return BigInteger.ZERO
- var u = m.clone(),
- v = this.clone()
- var a = nbv(1),
- b = nbv(0),
- c = nbv(0),
- d = nbv(1)
- while (u.signum() != 0) {
- while (u.isEven()) {
- u.rShiftTo(1, u)
- if (ac) {
- if (!a.isEven() || !b.isEven()) {
- a.addTo(this, a)
- b.subTo(m, b)
- }
- a.rShiftTo(1, a)
- } else if (!b.isEven()) b.subTo(m, b)
- b.rShiftTo(1, b)
- }
- while (v.isEven()) {
- v.rShiftTo(1, v)
- if (ac) {
- if (!c.isEven() || !d.isEven()) {
- c.addTo(this, c)
- d.subTo(m, d)
- }
- c.rShiftTo(1, c)
- } else if (!d.isEven()) d.subTo(m, d)
- d.rShiftTo(1, d)
- }
- if (u.compareTo(v) >= 0) {
- u.subTo(v, u)
- if (ac) a.subTo(c, a)
- b.subTo(d, b)
- } else {
- v.subTo(u, v)
- if (ac) c.subTo(a, c)
- d.subTo(b, d)
- }
- }
- if (v.compareTo(BigInteger.ONE) != 0) return BigInteger.ZERO
- if (d.compareTo(m) >= 0) return d.subtract(m)
- if (d.signum() < 0) d.addTo(m, d)
- else return d
- if (d.signum() < 0) return d.add(m)
- else return d
+Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+ this[offset] = (value & 0xff)
+ this[offset + 1] = (value >>> 8)
+ return offset + 2
}
-var lowprimes = [
- 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71,
- 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151,
- 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233,
- 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317,
- 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419,
- 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503,
- 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607,
- 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701,
- 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811,
- 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911,
- 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997
-]
-
-var lplim = (1 << 26) / lowprimes[lowprimes.length - 1]
-
-// (public) test primality with certainty >= 1-.5^t
-function bnIsProbablePrime(t) {
- var i, x = this.abs()
- if (x.t == 1 && x[0] <= lowprimes[lowprimes.length - 1]) {
- for (i = 0; i < lowprimes.length; ++i)
- if (x[0] == lowprimes[i]) return true
- return false
- }
- if (x.isEven()) return false
- i = 1
- while (i < lowprimes.length) {
- var m = lowprimes[i],
- j = i + 1
- while (j < lowprimes.length && m < lplim) m *= lowprimes[j++]
- m = x.modInt(m)
- while (i < j) if (m % lowprimes[i++] == 0) return false
- }
- return x.millerRabin(t)
+Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+ this[offset] = (value >>> 8)
+ this[offset + 1] = (value & 0xff)
+ return offset + 2
}
-// (protected) true if probably prime (HAC 4.24, Miller-Rabin)
-function bnpMillerRabin(t) {
- var n1 = this.subtract(BigInteger.ONE)
- var k = n1.getLowestSetBit()
- if (k <= 0) return false
- var r = n1.shiftRight(k)
- t = (t + 1) >> 1
- if (t > lowprimes.length) t = lowprimes.length
- var a = new BigInteger(null)
- var j, bases = []
- for (var i = 0; i < t; ++i) {
- for (;;) {
- j = lowprimes[Math.floor(Math.random() * lowprimes.length)]
- if (bases.indexOf(j) == -1) break
- }
- bases.push(j)
- a.fromInt(j)
- var y = a.modPow(r, this)
- if (y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) {
- var j = 1
- while (j++ < k && y.compareTo(n1) != 0) {
- y = y.modPowInt(2, this)
- if (y.compareTo(BigInteger.ONE) == 0) return false
- }
- if (y.compareTo(n1) != 0) return false
- }
- }
- return true
+Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+ this[offset] = (value & 0xff)
+ this[offset + 1] = (value >>> 8)
+ this[offset + 2] = (value >>> 16)
+ this[offset + 3] = (value >>> 24)
+ return offset + 4
}
-// protected
-proto.chunkSize = bnpChunkSize
-proto.toRadix = bnpToRadix
-proto.fromRadix = bnpFromRadix
-proto.fromNumber = bnpFromNumber
-proto.bitwiseTo = bnpBitwiseTo
-proto.changeBit = bnpChangeBit
-proto.addTo = bnpAddTo
-proto.dMultiply = bnpDMultiply
-proto.dAddOffset = bnpDAddOffset
-proto.multiplyLowerTo = bnpMultiplyLowerTo
-proto.multiplyUpperTo = bnpMultiplyUpperTo
-proto.modInt = bnpModInt
-proto.millerRabin = bnpMillerRabin
-
-// public
-proto.clone = bnClone
-proto.intValue = bnIntValue
-proto.byteValue = bnByteValue
-proto.shortValue = bnShortValue
-proto.signum = bnSigNum
-proto.toByteArray = bnToByteArray
-proto.equals = bnEquals
-proto.min = bnMin
-proto.max = bnMax
-proto.and = bnAnd
-proto.or = bnOr
-proto.xor = bnXor
-proto.andNot = bnAndNot
-proto.not = bnNot
-proto.shiftLeft = bnShiftLeft
-proto.shiftRight = bnShiftRight
-proto.getLowestSetBit = bnGetLowestSetBit
-proto.bitCount = bnBitCount
-proto.testBit = bnTestBit
-proto.setBit = bnSetBit
-proto.clearBit = bnClearBit
-proto.flipBit = bnFlipBit
-proto.add = bnAdd
-proto.subtract = bnSubtract
-proto.multiply = bnMultiply
-proto.divide = bnDivide
-proto.remainder = bnRemainder
-proto.divideAndRemainder = bnDivideAndRemainder
-proto.modPow = bnModPow
-proto.modInverse = bnModInverse
-proto.pow = bnPow
-proto.gcd = bnGCD
-proto.isProbablePrime = bnIsProbablePrime
-
-// JSBN-specific extension
-proto.square = bnSquare
-
-// constants
-BigInteger.ZERO = nbv(0)
-BigInteger.ONE = nbv(1)
-BigInteger.valueOf = nbv
-
-module.exports = BigInteger
+Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+ if (value < 0) value = 0xffffffff + value + 1
+ this[offset] = (value >>> 24)
+ this[offset + 1] = (value >>> 16)
+ this[offset + 2] = (value >>> 8)
+ this[offset + 3] = (value & 0xff)
+ return offset + 4
+}
-},{"../package.json":4}],2:[function(require,module,exports){
-(function (Buffer){
-// FIXME: Kind of a weird way to throw exceptions, consider removing
-var assert = require('assert')
-var BigInteger = require('./bigi')
+function checkIEEE754 (buf, value, offset, ext, max, min) {
+ if (offset + ext > buf.length) throw new RangeError('Index out of range')
+ if (offset < 0) throw new RangeError('Index out of range')
+}
-/**
- * Turns a byte array into a big integer.
- *
- * This function will interpret a byte array as a big integer in big
- * endian notation.
- */
-BigInteger.fromByteArrayUnsigned = function(byteArray) {
- // BigInteger expects a DER integer conformant byte array
- if (byteArray[0] & 0x80) {
- return new BigInteger([0].concat(byteArray))
+function writeFloat (buf, value, offset, littleEndian, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) {
+ checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
}
-
- return new BigInteger(byteArray)
+ ieee754.write(buf, value, offset, littleEndian, 23, 4)
+ return offset + 4
}
-/**
- * Returns a byte array representation of the big integer.
- *
- * This returns the absolute of the contained value in big endian
- * form. A value of zero results in an empty array.
- */
-BigInteger.prototype.toByteArrayUnsigned = function() {
- var byteArray = this.toByteArray()
- return byteArray[0] === 0 ? byteArray.slice(1) : byteArray
+Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+ return writeFloat(this, value, offset, true, noAssert)
}
-BigInteger.fromDERInteger = function(byteArray) {
- return new BigInteger(byteArray)
+Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+ return writeFloat(this, value, offset, false, noAssert)
}
-/*
- * Converts BigInteger to a DER integer representation.
- *
- * The format for this value uses the most significant bit as a sign
- * bit. If the most significant bit is already set and the integer is
- * positive, a 0x00 is prepended.
- *
- * Examples:
- *
- * 0 => 0x00
- * 1 => 0x01
- * -1 => 0xff
- * 127 => 0x7f
- * -127 => 0x81
- * 128 => 0x0080
- * -128 => 0x80
- * 255 => 0x00ff
- * -255 => 0xff01
- * 16300 => 0x3fac
- * -16300 => 0xc054
- * 62300 => 0x00f35c
- * -62300 => 0xff0ca4
-*/
-BigInteger.prototype.toDERInteger = BigInteger.prototype.toByteArray
-
-BigInteger.fromBuffer = function(buffer) {
- // BigInteger expects a DER integer conformant byte array
- if (buffer[0] & 0x80) {
- var byteArray = Array.prototype.slice.call(buffer)
-
- return new BigInteger([0].concat(byteArray))
+function writeDouble (buf, value, offset, littleEndian, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) {
+ checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
}
-
- return new BigInteger(buffer)
+ ieee754.write(buf, value, offset, littleEndian, 52, 8)
+ return offset + 8
}
-BigInteger.fromHex = function(hex) {
- if (hex === '') return BigInteger.ZERO
-
- assert.equal(hex, hex.match(/^[A-Fa-f0-9]+/), 'Invalid hex string')
- assert.equal(hex.length % 2, 0, 'Incomplete hex')
- return new BigInteger(hex, 16)
+Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+ return writeDouble(this, value, offset, true, noAssert)
}
-BigInteger.prototype.toBuffer = function(size) {
- var byteArray = this.toByteArrayUnsigned()
- var zeros = []
+Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+ return writeDouble(this, value, offset, false, noAssert)
+}
- var padding = size - byteArray.length
- while (zeros.length < padding) zeros.push(0)
+// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+Buffer.prototype.copy = function copy (target, targetStart, start, end) {
+ if (!start) start = 0
+ if (!end && end !== 0) end = this.length
+ if (targetStart >= target.length) targetStart = target.length
+ if (!targetStart) targetStart = 0
+ if (end > 0 && end < start) end = start
- return new Buffer(zeros.concat(byteArray))
-}
+ // Copy 0 bytes; we're done
+ if (end === start) return 0
+ if (target.length === 0 || this.length === 0) return 0
-BigInteger.prototype.toHex = function(size) {
- return this.toBuffer(size).toString('hex')
-}
+ // Fatal error conditions
+ if (targetStart < 0) {
+ throw new RangeError('targetStart out of bounds')
+ }
+ if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
+ if (end < 0) throw new RangeError('sourceEnd out of bounds')
-}).call(this,require("buffer").Buffer)
-},{"./bigi":1,"assert":5,"buffer":7}],3:[function(require,module,exports){
-var BigInteger = require('./bigi')
+ // Are we oob?
+ if (end > this.length) end = this.length
+ if (target.length - targetStart < end - start) {
+ end = target.length - targetStart + start
+ }
-//addons
-require('./convert')
+ var len = end - start
+ var i
-module.exports = BigInteger
-},{"./bigi":1,"./convert":2}],4:[function(require,module,exports){
-module.exports={
- "name": "bigi",
- "version": "1.4.0",
- "description": "Big integers.",
- "keywords": [
- "cryptography",
- "math",
- "bitcoin",
- "arbitrary",
- "precision",
- "arithmetic",
- "big",
- "integer",
- "int",
- "number",
- "biginteger",
- "bigint",
- "bignumber",
- "decimal",
- "float"
- ],
- "devDependencies": {
- "mocha": "^1.20.1",
- "jshint": "^2.5.1",
- "coveralls": "^2.10.0",
- "istanbul": "^0.2.11"
- },
- "repository": {
- "url": "https://github.com/cryptocoinjs/bigi",
- "type": "git"
- },
- "main": "./lib/index.js",
- "scripts": {
- "test": "_mocha -- test/*.js",
- "jshint": "jshint --config jshint.json lib/*.js ; true",
- "unit": "mocha",
- "coverage": "istanbul cover ./node_modules/.bin/_mocha -- --reporter list test/*.js",
- "coveralls": "npm run-script coverage && node ./node_modules/.bin/coveralls < coverage/lcov.info"
- },
- "dependencies": {},
- "testling": {
- "files": "test/*.js",
- "harness": "mocha",
- "browsers": [
- "ie/9..latest",
- "firefox/latest",
- "chrome/latest",
- "safari/6.0..latest",
- "iphone/6.0..latest",
- "android-browser/4.2..latest"
- ]
- },
- "bugs": {
- "url": "https://github.com/cryptocoinjs/bigi/issues"
- },
- "homepage": "https://github.com/cryptocoinjs/bigi",
- "_id": "bigi@1.4.0",
- "dist": {
- "shasum": "90ac1aeac0a531216463bdb58f42c1e05c8407ac",
- "tarball": "http://registry.npmjs.org/bigi/-/bigi-1.4.0.tgz"
- },
- "_from": "bigi@^1.4.0",
- "_npmVersion": "1.4.3",
- "_npmUser": {
- "name": "jp",
- "email": "jprichardson@gmail.com"
- },
- "maintainers": [
- {
- "name": "jp",
- "email": "jprichardson@gmail.com"
- },
- {
- "name": "midnightlightning",
- "email": "boydb@midnightdesign.ws"
- },
- {
- "name": "sidazhang",
- "email": "sidazhang89@gmail.com"
- },
- {
- "name": "nadav",
- "email": "npm@shesek.info"
+ if (this === target && start < targetStart && targetStart < end) {
+ // descending copy from end
+ for (i = len - 1; i >= 0; --i) {
+ target[i + targetStart] = this[i + start]
}
- ],
- "directories": {},
- "_shasum": "90ac1aeac0a531216463bdb58f42c1e05c8407ac",
- "_resolved": "https://registry.npmjs.org/bigi/-/bigi-1.4.0.tgz"
-}
+ } else if (len < 1000) {
+ // ascending copy from start
+ for (i = 0; i < len; ++i) {
+ target[i + targetStart] = this[i + start]
+ }
+ } else {
+ Uint8Array.prototype.set.call(
+ target,
+ this.subarray(start, start + len),
+ targetStart
+ )
+ }
-},{}],5:[function(require,module,exports){
-// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
-//
-// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
-//
-// Originally from narwhal.js (http://narwhaljs.org)
-// Copyright (c) 2009 Thomas Robinson <280north.com>
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the 'Software'), to
-// deal in the Software without restriction, including without limitation the
-// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-// sell copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ return len
+}
-// when used in node, this will actually load the util module we depend on
-// versus loading the builtin util module as happens otherwise
-// this is a bug in node module loading as far as I am concerned
-var util = require('util/');
+// Usage:
+// buffer.fill(number[, offset[, end]])
+// buffer.fill(buffer[, offset[, end]])
+// buffer.fill(string[, offset[, end]][, encoding])
+Buffer.prototype.fill = function fill (val, start, end, encoding) {
+ // Handle string cases:
+ if (typeof val === 'string') {
+ if (typeof start === 'string') {
+ encoding = start
+ start = 0
+ end = this.length
+ } else if (typeof end === 'string') {
+ encoding = end
+ end = this.length
+ }
+ if (val.length === 1) {
+ var code = val.charCodeAt(0)
+ if (code < 256) {
+ val = code
+ }
+ }
+ if (encoding !== undefined && typeof encoding !== 'string') {
+ throw new TypeError('encoding must be a string')
+ }
+ if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+ throw new TypeError('Unknown encoding: ' + encoding)
+ }
+ } else if (typeof val === 'number') {
+ val = val & 255
+ }
-var pSlice = Array.prototype.slice;
-var hasOwn = Object.prototype.hasOwnProperty;
+ // Invalid ranges are not set to a default, so can range check early.
+ if (start < 0 || this.length < start || this.length < end) {
+ throw new RangeError('Out of range index')
+ }
-// 1. The assert module provides functions that throw
-// AssertionError's when particular conditions are not met. The
-// assert module must conform to the following interface.
+ if (end <= start) {
+ return this
+ }
-var assert = module.exports = ok;
+ start = start >>> 0
+ end = end === undefined ? this.length : end >>> 0
-// 2. The AssertionError is defined in assert.
-// new assert.AssertionError({ message: message,
-// actual: actual,
-// expected: expected })
+ if (!val) val = 0
-assert.AssertionError = function AssertionError(options) {
- this.name = 'AssertionError';
- this.actual = options.actual;
- this.expected = options.expected;
- this.operator = options.operator;
- if (options.message) {
- this.message = options.message;
- this.generatedMessage = false;
+ var i
+ if (typeof val === 'number') {
+ for (i = start; i < end; ++i) {
+ this[i] = val
+ }
} else {
- this.message = getMessage(this);
- this.generatedMessage = true;
- }
- var stackStartFunction = options.stackStartFunction || fail;
-
- if (Error.captureStackTrace) {
- Error.captureStackTrace(this, stackStartFunction);
+ var bytes = Buffer.isBuffer(val)
+ ? val
+ : new Buffer(val, encoding)
+ var len = bytes.length
+ for (i = 0; i < end - start; ++i) {
+ this[i + start] = bytes[i % len]
+ }
}
- else {
- // non v8 browsers so we can have a stacktrace
- var err = new Error();
- if (err.stack) {
- var out = err.stack;
- // try to strip useless frames
- var fn_name = stackStartFunction.name;
- var idx = out.indexOf('\n' + fn_name);
- if (idx >= 0) {
- // once we have located the function frame
- // we need to strip out everything before it (and its line)
- var next_line = out.indexOf('\n', idx + 1);
- out = out.substring(next_line + 1);
- }
+ return this
+}
- this.stack = out;
- }
- }
-};
+// HELPER FUNCTIONS
+// ================
-// assert.AssertionError instanceof Error
-util.inherits(assert.AssertionError, Error);
+var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g
-function replacer(key, value) {
- if (util.isUndefined(value)) {
- return '' + value;
- }
- if (util.isNumber(value) && !isFinite(value)) {
- return value.toString();
- }
- if (util.isFunction(value) || util.isRegExp(value)) {
- return value.toString();
+function base64clean (str) {
+ // Node strips out invalid characters like \n and \t from the string, base64-js does not
+ str = str.trim().replace(INVALID_BASE64_RE, '')
+ // Node converts strings with length < 2 to ''
+ if (str.length < 2) return ''
+ // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+ while (str.length % 4 !== 0) {
+ str = str + '='
}
- return value;
+ return str
}
-function truncate(s, n) {
- if (util.isString(s)) {
- return s.length < n ? s : s.slice(0, n);
- } else {
- return s;
- }
+function toHex (n) {
+ if (n < 16) return '0' + n.toString(16)
+ return n.toString(16)
}
-function getMessage(self) {
- return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
- self.operator + ' ' +
- truncate(JSON.stringify(self.expected, replacer), 128);
-}
+function utf8ToBytes (string, units) {
+ units = units || Infinity
+ var codePoint
+ var length = string.length
+ var leadSurrogate = null
+ var bytes = []
-// At present only the three keys mentioned above are used and
-// understood by the spec. Implementations or sub modules can pass
-// other keys to the AssertionError's constructor - they will be
-// ignored.
-
-// 3. All of the following functions must throw an AssertionError
-// when a corresponding condition is not met, with a message that
-// may be undefined if not provided. All assertion methods provide
-// both the actual and expected values to the assertion error for
-// display purposes.
-
-function fail(actual, expected, message, operator, stackStartFunction) {
- throw new assert.AssertionError({
- message: message,
- actual: actual,
- expected: expected,
- operator: operator,
- stackStartFunction: stackStartFunction
- });
-}
-
-// EXTENSION! allows for well behaved errors defined elsewhere.
-assert.fail = fail;
-
-// 4. Pure assertion tests whether a value is truthy, as determined
-// by !!guard.
-// assert.ok(guard, message_opt);
-// This statement is equivalent to assert.equal(true, !!guard,
-// message_opt);. To test strictly for the value true, use
-// assert.strictEqual(true, guard, message_opt);.
-
-function ok(value, message) {
- if (!value) fail(value, true, message, '==', assert.ok);
-}
-assert.ok = ok;
-
-// 5. The equality assertion tests shallow, coercive equality with
-// ==.
-// assert.equal(actual, expected, message_opt);
-
-assert.equal = function equal(actual, expected, message) {
- if (actual != expected) fail(actual, expected, message, '==', assert.equal);
-};
-
-// 6. The non-equality assertion tests for whether two objects are not equal
-// with != assert.notEqual(actual, expected, message_opt);
-
-assert.notEqual = function notEqual(actual, expected, message) {
- if (actual == expected) {
- fail(actual, expected, message, '!=', assert.notEqual);
- }
-};
+ for (var i = 0; i < length; ++i) {
+ codePoint = string.charCodeAt(i)
-// 7. The equivalence assertion tests a deep equality relation.
-// assert.deepEqual(actual, expected, message_opt);
+ // is surrogate component
+ if (codePoint > 0xD7FF && codePoint < 0xE000) {
+ // last char was a lead
+ if (!leadSurrogate) {
+ // no lead yet
+ if (codePoint > 0xDBFF) {
+ // unexpected trail
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ continue
+ } else if (i + 1 === length) {
+ // unpaired lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ continue
+ }
-assert.deepEqual = function deepEqual(actual, expected, message) {
- if (!_deepEqual(actual, expected)) {
- fail(actual, expected, message, 'deepEqual', assert.deepEqual);
- }
-};
+ // valid lead
+ leadSurrogate = codePoint
-function _deepEqual(actual, expected) {
- // 7.1. All identical values are equivalent, as determined by ===.
- if (actual === expected) {
- return true;
+ continue
+ }
- } else if (util.isBuffer(actual) && util.isBuffer(expected)) {
- if (actual.length != expected.length) return false;
+ // 2 leads in a row
+ if (codePoint < 0xDC00) {
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ leadSurrogate = codePoint
+ continue
+ }
- for (var i = 0; i < actual.length; i++) {
- if (actual[i] !== expected[i]) return false;
+ // valid surrogate pair
+ codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
+ } else if (leadSurrogate) {
+ // valid bmp char, but last char was a lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
}
- return true;
-
- // 7.2. If the expected value is a Date object, the actual value is
- // equivalent if it is also a Date object that refers to the same time.
- } else if (util.isDate(actual) && util.isDate(expected)) {
- return actual.getTime() === expected.getTime();
-
- // 7.3 If the expected value is a RegExp object, the actual value is
- // equivalent if it is also a RegExp object with the same source and
- // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
- } else if (util.isRegExp(actual) && util.isRegExp(expected)) {
- return actual.source === expected.source &&
- actual.global === expected.global &&
- actual.multiline === expected.multiline &&
- actual.lastIndex === expected.lastIndex &&
- actual.ignoreCase === expected.ignoreCase;
-
- // 7.4. Other pairs that do not both pass typeof value == 'object',
- // equivalence is determined by ==.
- } else if (!util.isObject(actual) && !util.isObject(expected)) {
- return actual == expected;
+ leadSurrogate = null
- // 7.5 For all other Object pairs, including Array objects, equivalence is
- // determined by having the same number of owned properties (as verified
- // with Object.prototype.hasOwnProperty.call), the same set of keys
- // (although not necessarily the same order), equivalent values for every
- // corresponding key, and an identical 'prototype' property. Note: this
- // accounts for both named and indexed properties on Arrays.
- } else {
- return objEquiv(actual, expected);
+ // encode utf8
+ if (codePoint < 0x80) {
+ if ((units -= 1) < 0) break
+ bytes.push(codePoint)
+ } else if (codePoint < 0x800) {
+ if ((units -= 2) < 0) break
+ bytes.push(
+ codePoint >> 0x6 | 0xC0,
+ codePoint & 0x3F | 0x80
+ )
+ } else if (codePoint < 0x10000) {
+ if ((units -= 3) < 0) break
+ bytes.push(
+ codePoint >> 0xC | 0xE0,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ )
+ } else if (codePoint < 0x110000) {
+ if ((units -= 4) < 0) break
+ bytes.push(
+ codePoint >> 0x12 | 0xF0,
+ codePoint >> 0xC & 0x3F | 0x80,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ )
+ } else {
+ throw new Error('Invalid code point')
+ }
}
-}
-function isArguments(object) {
- return Object.prototype.toString.call(object) == '[object Arguments]';
+ return bytes
}
-function objEquiv(a, b) {
- if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
- return false;
- // an identical 'prototype' property.
- if (a.prototype !== b.prototype) return false;
- // if one is a primitive, the other must be same
- if (util.isPrimitive(a) || util.isPrimitive(b)) {
- return a === b;
- }
- var aIsArgs = isArguments(a),
- bIsArgs = isArguments(b);
- if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs))
- return false;
- if (aIsArgs) {
- a = pSlice.call(a);
- b = pSlice.call(b);
- return _deepEqual(a, b);
- }
- var ka = objectKeys(a),
- kb = objectKeys(b),
- key, i;
- // having the same number of owned properties (keys incorporates
- // hasOwnProperty)
- if (ka.length != kb.length)
- return false;
- //the same set of keys (although not necessarily the same order),
- ka.sort();
- kb.sort();
- //~~~cheap key test
- for (i = ka.length - 1; i >= 0; i--) {
- if (ka[i] != kb[i])
- return false;
- }
- //equivalent values for every corresponding key, and
- //~~~possibly expensive deep test
- for (i = ka.length - 1; i >= 0; i--) {
- key = ka[i];
- if (!_deepEqual(a[key], b[key])) return false;
+function asciiToBytes (str) {
+ var byteArray = []
+ for (var i = 0; i < str.length; ++i) {
+ // Node's code seems to be doing this and not & 0x7F..
+ byteArray.push(str.charCodeAt(i) & 0xFF)
}
- return true;
+ return byteArray
}
-// 8. The non-equivalence assertion tests for any deep inequality.
-// assert.notDeepEqual(actual, expected, message_opt);
-
-assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
- if (_deepEqual(actual, expected)) {
- fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
- }
-};
-
-// 9. The strict equality assertion tests strict equality, as determined by ===.
-// assert.strictEqual(actual, expected, message_opt);
+function utf16leToBytes (str, units) {
+ var c, hi, lo
+ var byteArray = []
+ for (var i = 0; i < str.length; ++i) {
+ if ((units -= 2) < 0) break
-assert.strictEqual = function strictEqual(actual, expected, message) {
- if (actual !== expected) {
- fail(actual, expected, message, '===', assert.strictEqual);
+ c = str.charCodeAt(i)
+ hi = c >> 8
+ lo = c % 256
+ byteArray.push(lo)
+ byteArray.push(hi)
}
-};
-
-// 10. The strict non-equality assertion tests for strict inequality, as
-// determined by !==. assert.notStrictEqual(actual, expected, message_opt);
-assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
- if (actual === expected) {
- fail(actual, expected, message, '!==', assert.notStrictEqual);
- }
-};
+ return byteArray
+}
-function expectedException(actual, expected) {
- if (!actual || !expected) {
- return false;
- }
+function base64ToBytes (str) {
+ return base64.toByteArray(base64clean(str))
+}
- if (Object.prototype.toString.call(expected) == '[object RegExp]') {
- return expected.test(actual);
- } else if (actual instanceof expected) {
- return true;
- } else if (expected.call({}, actual) === true) {
- return true;
+function blitBuffer (src, dst, offset, length) {
+ for (var i = 0; i < length; ++i) {
+ if ((i + offset >= dst.length) || (i >= src.length)) break
+ dst[i + offset] = src[i]
}
-
- return false;
+ return i
}
-function _throws(shouldThrow, block, expected, message) {
- var actual;
+// Node 0.10 supports `ArrayBuffer` but lacks `ArrayBuffer.isView`
+function isArrayBufferView (obj) {
+ return (typeof ArrayBuffer.isView === 'function') && ArrayBuffer.isView(obj)
+}
- if (util.isString(expected)) {
- message = expected;
- expected = null;
- }
+function numberIsNaN (obj) {
+ return obj !== obj // eslint-disable-line no-self-compare
+}
- try {
- block();
- } catch (e) {
- actual = e;
- }
+},{"base64-js":1,"ieee754":3}],3:[function(require,module,exports){
+exports.read = function (buffer, offset, isLE, mLen, nBytes) {
+ var e, m
+ var eLen = nBytes * 8 - mLen - 1
+ var eMax = (1 << eLen) - 1
+ var eBias = eMax >> 1
+ var nBits = -7
+ var i = isLE ? (nBytes - 1) : 0
+ var d = isLE ? -1 : 1
+ var s = buffer[offset + i]
- message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
- (message ? ' ' + message : '.');
+ i += d
- if (shouldThrow && !actual) {
- fail(actual, expected, 'Missing expected exception' + message);
- }
+ e = s & ((1 << (-nBits)) - 1)
+ s >>= (-nBits)
+ nBits += eLen
+ for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
- if (!shouldThrow && expectedException(actual, expected)) {
- fail(actual, expected, 'Got unwanted exception' + message);
- }
+ m = e & ((1 << (-nBits)) - 1)
+ e >>= (-nBits)
+ nBits += mLen
+ for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
- if ((shouldThrow && actual && expected &&
- !expectedException(actual, expected)) || (!shouldThrow && actual)) {
- throw actual;
+ if (e === 0) {
+ e = 1 - eBias
+ } else if (e === eMax) {
+ return m ? NaN : ((s ? -1 : 1) * Infinity)
+ } else {
+ m = m + Math.pow(2, mLen)
+ e = e - eBias
}
+ return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
}
-// 11. Expected to throw an error:
-// assert.throws(block, Error_opt, message_opt);
-
-assert.throws = function(block, /*optional*/error, /*optional*/message) {
- _throws.apply(this, [true].concat(pSlice.call(arguments)));
-};
+exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
+ var e, m, c
+ var eLen = nBytes * 8 - mLen - 1
+ var eMax = (1 << eLen) - 1
+ var eBias = eMax >> 1
+ var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
+ var i = isLE ? 0 : (nBytes - 1)
+ var d = isLE ? 1 : -1
+ var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
-// EXTENSION! This is annoying to write outside this module.
-assert.doesNotThrow = function(block, /*optional*/message) {
- _throws.apply(this, [false].concat(pSlice.call(arguments)));
-};
+ value = Math.abs(value)
-assert.ifError = function(err) { if (err) {throw err;}};
+ if (isNaN(value) || value === Infinity) {
+ m = isNaN(value) ? 1 : 0
+ e = eMax
+ } else {
+ e = Math.floor(Math.log(value) / Math.LN2)
+ if (value * (c = Math.pow(2, -e)) < 1) {
+ e--
+ c *= 2
+ }
+ if (e + eBias >= 1) {
+ value += rt / c
+ } else {
+ value += rt * Math.pow(2, 1 - eBias)
+ }
+ if (value * c >= 2) {
+ e++
+ c /= 2
+ }
-var objectKeys = Object.keys || function (obj) {
- var keys = [];
- for (var key in obj) {
- if (hasOwn.call(obj, key)) keys.push(key);
+ if (e + eBias >= eMax) {
+ m = 0
+ e = eMax
+ } else if (e + eBias >= 1) {
+ m = (value * c - 1) * Math.pow(2, mLen)
+ e = e + eBias
+ } else {
+ m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
+ e = 0
+ }
}
- return keys;
-};
-
-},{"util/":29}],6:[function(require,module,exports){
-
-},{}],7:[function(require,module,exports){
-/*!
- * The buffer module from node.js, for the browser.
- *
- * @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
- * @license MIT
- */
-
-var base64 = require('base64-js')
-var ieee754 = require('ieee754')
-var isArray = require('is-array')
-exports.Buffer = Buffer
-exports.SlowBuffer = SlowBuffer
-exports.INSPECT_MAX_BYTES = 50
-Buffer.poolSize = 8192 // not used by this implementation
+ for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
-var rootParent = {}
+ e = (e << mLen) | m
+ eLen += mLen
+ for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
-/**
- * If `Buffer.TYPED_ARRAY_SUPPORT`:
- * === true Use Uint8Array implementation (fastest)
- * === false Use Object implementation (most compatible, even IE6)
- *
- * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
- * Opera 11.6+, iOS 4.2+.
- *
- * Due to various browser bugs, sometimes the Object implementation will be used even
- * when the browser supports typed arrays.
- *
- * Note:
- *
- * - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
- * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
- *
- * - Safari 5-7 lacks support for changing the `Object.prototype.constructor` property
- * on objects.
- *
- * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
- *
- * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
- * incorrect length in some situations.
+ buffer[offset + i - d] |= s * 128
+}
- * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
- * get the Object implementation, which is slower but behaves correctly.
- */
-Buffer.TYPED_ARRAY_SUPPORT = (function () {
- function Bar () {}
- try {
- var arr = new Uint8Array(1)
- arr.foo = function () { return 42 }
- arr.constructor = Bar
- return arr.foo() === 42 && // typed array instances can be augmented
- arr.constructor === Bar && // constructor can be set
- typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
- arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
- } catch (e) {
- return false
- }
-})()
+},{}],4:[function(require,module,exports){
+window.basex = require('base-x')
+},{"base-x":5}],5:[function(require,module,exports){
+// base-x encoding
+// Forked from https://github.com/cryptocoinjs/bs58
+// Originally written by Mike Hearn for BitcoinJ
+// Copyright (c) 2011 Google Inc
+// Ported to JavaScript by Stefan Thomas
+// Merged Buffer refactorings from base58-native by Stephen Pair
+// Copyright (c) 2013 BitPay Inc
-function kMaxLength () {
- return Buffer.TYPED_ARRAY_SUPPORT
- ? 0x7fffffff
- : 0x3fffffff
-}
+var Buffer = require('safe-buffer').Buffer
-/**
- * Class: Buffer
- * =============
- *
- * The Buffer constructor returns instances of `Uint8Array` that are augmented
- * with function properties for all the node `Buffer` API functions. We use
- * `Uint8Array` so that square bracket notation works as expected -- it returns
- * a single octet.
- *
- * By augmenting the instances, we can avoid modifying the `Uint8Array`
- * prototype.
- */
-function Buffer (arg) {
- if (!(this instanceof Buffer)) {
- // Avoid going through an ArgumentsAdaptorTrampoline in the common case.
- if (arguments.length > 1) return new Buffer(arg, arguments[1])
- return new Buffer(arg)
- }
+module.exports = function base (ALPHABET) {
+ var ALPHABET_MAP = {}
+ var BASE = ALPHABET.length
+ var LEADER = ALPHABET.charAt(0)
- this.length = 0
- this.parent = undefined
+ // pre-compute lookup table
+ for (var z = 0; z < ALPHABET.length; z++) {
+ var x = ALPHABET.charAt(z)
- // Common case.
- if (typeof arg === 'number') {
- return fromNumber(this, arg)
+ if (ALPHABET_MAP[x] !== undefined) throw new TypeError(x + ' is ambiguous')
+ ALPHABET_MAP[x] = z
}
- // Slightly less common case.
- if (typeof arg === 'string') {
- return fromString(this, arg, arguments.length > 1 ? arguments[1] : 'utf8')
- }
+ function encode (source) {
+ if (source.length === 0) return ''
- // Unusual.
- return fromObject(this, arg)
-}
+ var digits = [0]
+ for (var i = 0; i < source.length; ++i) {
+ for (var j = 0, carry = source[i]; j < digits.length; ++j) {
+ carry += digits[j] << 8
+ digits[j] = carry % BASE
+ carry = (carry / BASE) | 0
+ }
-function fromNumber (that, length) {
- that = allocate(that, length < 0 ? 0 : checked(length) | 0)
- if (!Buffer.TYPED_ARRAY_SUPPORT) {
- for (var i = 0; i < length; i++) {
- that[i] = 0
+ while (carry > 0) {
+ digits.push(carry % BASE)
+ carry = (carry / BASE) | 0
+ }
}
- }
- return that
-}
-function fromString (that, string, encoding) {
- if (typeof encoding !== 'string' || encoding === '') encoding = 'utf8'
+ var string = ''
- // Assumption: byteLength() return value is always < kMaxLength.
- var length = byteLength(string, encoding) | 0
- that = allocate(that, length)
+ // deal with leading zeros
+ for (var k = 0; source[k] === 0 && k < source.length - 1; ++k) string += ALPHABET[0]
+ // convert digits to a string
+ for (var q = digits.length - 1; q >= 0; --q) string += ALPHABET[digits[q]]
- that.write(string, encoding)
- return that
-}
+ return string
+ }
-function fromObject (that, object) {
- if (Buffer.isBuffer(object)) return fromBuffer(that, object)
+ function decodeUnsafe (string) {
+ if (string.length === 0) return Buffer.allocUnsafe(0)
- if (isArray(object)) return fromArray(that, object)
+ var bytes = [0]
+ for (var i = 0; i < string.length; i++) {
+ var value = ALPHABET_MAP[string[i]]
+ if (value === undefined) return
- if (object == null) {
- throw new TypeError('must start with number, buffer, array or string')
- }
+ for (var j = 0, carry = value; j < bytes.length; ++j) {
+ carry += bytes[j] * BASE
+ bytes[j] = carry & 0xff
+ carry >>= 8
+ }
- if (typeof ArrayBuffer !== 'undefined') {
- if (object.buffer instanceof ArrayBuffer) {
- return fromTypedArray(that, object)
- }
- if (object instanceof ArrayBuffer) {
- return fromArrayBuffer(that, object)
+ while (carry > 0) {
+ bytes.push(carry & 0xff)
+ carry >>= 8
+ }
}
- }
-
- if (object.length) return fromArrayLike(that, object)
-
- return fromJsonObject(that, object)
-}
-function fromBuffer (that, buffer) {
- var length = checked(buffer.length) | 0
- that = allocate(that, length)
- buffer.copy(that, 0, 0, length)
- return that
-}
+ // deal with leading zeros
+ for (var k = 0; string[k] === LEADER && k < string.length - 1; ++k) {
+ bytes.push(0)
+ }
-function fromArray (that, array) {
- var length = checked(array.length) | 0
- that = allocate(that, length)
- for (var i = 0; i < length; i += 1) {
- that[i] = array[i] & 255
+ return Buffer.from(bytes.reverse())
}
- return that
-}
-// Duplicate of fromArray() to keep fromArray() monomorphic.
-function fromTypedArray (that, array) {
- var length = checked(array.length) | 0
- that = allocate(that, length)
- // Truncating the elements is probably not what people expect from typed
- // arrays with BYTES_PER_ELEMENT > 1 but it's compatible with the behavior
- // of the old Buffer constructor.
- for (var i = 0; i < length; i += 1) {
- that[i] = array[i] & 255
- }
- return that
-}
+ function decode (string) {
+ var buffer = decodeUnsafe(string)
+ if (buffer) return buffer
-function fromArrayBuffer (that, array) {
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- // Return an augmented `Uint8Array` instance, for best performance
- array.byteLength
- that = Buffer._augment(new Uint8Array(array))
- } else {
- // Fallback: Return an object instance of the Buffer class
- that = fromTypedArray(that, new Uint8Array(array))
+ throw new Error('Non-base' + BASE + ' character')
}
- return that
-}
-function fromArrayLike (that, array) {
- var length = checked(array.length) | 0
- that = allocate(that, length)
- for (var i = 0; i < length; i += 1) {
- that[i] = array[i] & 255
+ return {
+ encode: encode,
+ decodeUnsafe: decodeUnsafe,
+ decode: decode
}
- return that
}
-// Deserialize { type: 'Buffer', data: [1,2,3,...] } into a Buffer object.
-// Returns a zero-length buffer for inputs that don't conform to the spec.
-function fromJsonObject (that, object) {
- var array
- var length = 0
-
- if (object.type === 'Buffer' && isArray(object.data)) {
- array = object.data
- length = checked(array.length) | 0
- }
- that = allocate(that, length)
+},{"safe-buffer":6}],6:[function(require,module,exports){
+module.exports = require('buffer')
- for (var i = 0; i < length; i += 1) {
- that[i] = array[i] & 255
- }
- return that
-}
+},{"buffer":2}]},{},[4])(4)
+});</script>
+ <script>(function (root) {
+ "use strict";
-function allocate (that, length) {
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- // Return an augmented `Uint8Array` instance, for best performance
- that = Buffer._augment(new Uint8Array(length))
- } else {
- // Fallback: Return an object instance of the Buffer class
- that.length = length
- that._isBuffer = true
- }
+/***** unorm.js *****/
- var fromPool = length !== 0 && length <= Buffer.poolSize >>> 1
- if (fromPool) that.parent = rootParent
+/*
+ * UnicodeNormalizer 1.0.0
+ * Copyright (c) 2008 Matsuza
+ * Dual licensed under the MIT (MIT-LICENSE.txt) and GPL (GPL-LICENSE.txt) licenses.
+ * $Date: 2008-06-05 16:44:17 +0200 (Thu, 05 Jun 2008) $
+ * $Rev: 13309 $
+ */
- return that
-}
+ var DEFAULT_FEATURE = [null, 0, {}];
+ var CACHE_THRESHOLD = 10;
+ var SBase = 0xAC00, LBase = 0x1100, VBase = 0x1161, TBase = 0x11A7, LCount = 19, VCount = 21, TCount = 28;
+ var NCount = VCount * TCount; // 588
+ var SCount = LCount * NCount; // 11172
-function checked (length) {
- // Note: cannot use `length < kMaxLength` here because that fails when
- // length is NaN (which is otherwise coerced to zero.)
- if (length >= kMaxLength()) {
- throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
- 'size: 0x' + kMaxLength().toString(16) + ' bytes')
- }
- return length | 0
-}
+ var UChar = function(cp, feature){
+ this.codepoint = cp;
+ this.feature = feature;
+ };
-function SlowBuffer (subject, encoding) {
- if (!(this instanceof SlowBuffer)) return new SlowBuffer(subject, encoding)
+ // Strategies
+ var cache = {};
+ var cacheCounter = [];
+ for (var i = 0; i <= 0xFF; ++i){
+ cacheCounter[i] = 0;
+ }
- var buf = new Buffer(subject, encoding)
- delete buf.parent
- return buf
-}
+ function fromCache(next, cp, needFeature){
+ var ret = cache[cp];
+ if(!ret){
+ ret = next(cp, needFeature);
+ if(!!ret.feature && ++cacheCounter[(cp >> 8) & 0xFF] > CACHE_THRESHOLD){
+ cache[cp] = ret;
+ }
+ }
+ return ret;
+ }
-Buffer.isBuffer = function isBuffer (b) {
- return !!(b != null && b._isBuffer)
-}
+ function fromData(next, cp, needFeature){
+ var hash = cp & 0xFF00;
+ var dunit = UChar.udata[hash] || {};
+ var f = dunit[cp];
+ return f ? new UChar(cp, f) : new UChar(cp, DEFAULT_FEATURE);
+ }
+ function fromCpOnly(next, cp, needFeature){
+ return !!needFeature ? next(cp, needFeature) : new UChar(cp, null);
+ }
+ function fromRuleBasedJamo(next, cp, needFeature){
+ var j;
+ if(cp < LBase || (LBase + LCount <= cp && cp < SBase) || (SBase + SCount < cp)){
+ return next(cp, needFeature);
+ }
+ if(LBase <= cp && cp < LBase + LCount){
+ var c = {};
+ var base = (cp - LBase) * VCount;
+ for (j = 0; j < VCount; ++j){
+ c[VBase + j] = SBase + TCount * (j + base);
+ }
+ return new UChar(cp, [,,c]);
+ }
-Buffer.compare = function compare (a, b) {
- if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
- throw new TypeError('Arguments must be Buffers')
- }
+ var SIndex = cp - SBase;
+ var TIndex = SIndex % TCount;
+ var feature = [];
+ if(TIndex !== 0){
+ feature[0] = [SBase + SIndex - TIndex, TBase + TIndex];
+ } else {
+ feature[0] = [LBase + Math.floor(SIndex / NCount), VBase + Math.floor((SIndex % NCount) / TCount)];
+ feature[2] = {};
+ for (j = 1; j < TCount; ++j){
+ feature[2][TBase + j] = cp + j;
+ }
+ }
+ return new UChar(cp, feature);
+ }
+ function fromCpFilter(next, cp, needFeature){
+ return cp < 60 || 13311 < cp && cp < 42607 ? new UChar(cp, DEFAULT_FEATURE) : next(cp, needFeature);
+ }
- if (a === b) return 0
+ var strategies = [fromCpFilter, fromCache, fromCpOnly, fromRuleBasedJamo, fromData];
- var x = a.length
- var y = b.length
+ UChar.fromCharCode = strategies.reduceRight(function (next, strategy) {
+ return function (cp, needFeature) {
+ return strategy(next, cp, needFeature);
+ };
+ }, null);
+
+ UChar.isHighSurrogate = function(cp){
+ return cp >= 0xD800 && cp <= 0xDBFF;
+ };
+ UChar.isLowSurrogate = function(cp){
+ return cp >= 0xDC00 && cp <= 0xDFFF;
+ };
+
+ UChar.prototype.prepFeature = function(){
+ if(!this.feature){
+ this.feature = UChar.fromCharCode(this.codepoint, true).feature;
+ }
+ };
+
+ UChar.prototype.toString = function(){
+ if(this.codepoint < 0x10000){
+ return String.fromCharCode(this.codepoint);
+ } else {
+ var x = this.codepoint - 0x10000;
+ return String.fromCharCode(Math.floor(x / 0x400) + 0xD800, x % 0x400 + 0xDC00);
+ }
+ };
+
+ UChar.prototype.getDecomp = function(){
+ this.prepFeature();
+ return this.feature[0] || null;
+ };
+
+ UChar.prototype.isCompatibility = function(){
+ this.prepFeature();
+ return !!this.feature[1] && (this.feature[1] & (1 << 8));
+ };
+ UChar.prototype.isExclude = function(){
+ this.prepFeature();
+ return !!this.feature[1] && (this.feature[1] & (1 << 9));
+ };
+ UChar.prototype.getCanonicalClass = function(){
+ this.prepFeature();
+ return !!this.feature[1] ? (this.feature[1] & 0xff) : 0;
+ };
+ UChar.prototype.getComposite = function(following){
+ this.prepFeature();
+ if(!this.feature[2]){
+ return null;
+ }
+ var cp = this.feature[2][following.codepoint];
+ return cp ? UChar.fromCharCode(cp) : null;
+ };
+
+ var UCharIterator = function(str){
+ this.str = str;
+ this.cursor = 0;
+ };
+ UCharIterator.prototype.next = function(){
+ if(!!this.str && this.cursor < this.str.length){
+ var cp = this.str.charCodeAt(this.cursor++);
+ var d;
+ if(UChar.isHighSurrogate(cp) && this.cursor < this.str.length && UChar.isLowSurrogate((d = this.str.charCodeAt(this.cursor)))){
+ cp = (cp - 0xD800) * 0x400 + (d -0xDC00) + 0x10000;
+ ++this.cursor;
+ }
+ return UChar.fromCharCode(cp);
+ } else {
+ this.str = null;
+ return null;
+ }
+ };
+
+ var RecursDecompIterator = function(it, cano){
+ this.it = it;
+ this.canonical = cano;
+ this.resBuf = [];
+ };
+
+ RecursDecompIterator.prototype.next = function(){
+ function recursiveDecomp(cano, uchar){
+ var decomp = uchar.getDecomp();
+ if(!!decomp && !(cano && uchar.isCompatibility())){
+ var ret = [];
+ for(var i = 0; i < decomp.length; ++i){
+ var a = recursiveDecomp(cano, UChar.fromCharCode(decomp[i]));
+ ret = ret.concat(a);
+ }
+ return ret;
+ } else {
+ return [uchar];
+ }
+ }
+ if(this.resBuf.length === 0){
+ var uchar = this.it.next();
+ if(!uchar){
+ return null;
+ }
+ this.resBuf = recursiveDecomp(this.canonical, uchar);
+ }
+ return this.resBuf.shift();
+ };
+
+ var DecompIterator = function(it){
+ this.it = it;
+ this.resBuf = [];
+ };
+
+ DecompIterator.prototype.next = function(){
+ var cc;
+ if(this.resBuf.length === 0){
+ do{
+ var uchar = this.it.next();
+ if(!uchar){
+ break;
+ }
+ cc = uchar.getCanonicalClass();
+ var inspt = this.resBuf.length;
+ if(cc !== 0){
+ for(; inspt > 0; --inspt){
+ var uchar2 = this.resBuf[inspt - 1];
+ var cc2 = uchar2.getCanonicalClass();
+ if(cc2 <= cc){
+ break;
+ }
+ }
+ }
+ this.resBuf.splice(inspt, 0, uchar);
+ } while(cc !== 0);
+ }
+ return this.resBuf.shift();
+ };
+
+ var CompIterator = function(it){
+ this.it = it;
+ this.procBuf = [];
+ this.resBuf = [];
+ this.lastClass = null;
+ };
+
+ CompIterator.prototype.next = function(){
+ while(this.resBuf.length === 0){
+ var uchar = this.it.next();
+ if(!uchar){
+ this.resBuf = this.procBuf;
+ this.procBuf = [];
+ break;
+ }
+ if(this.procBuf.length === 0){
+ this.lastClass = uchar.getCanonicalClass();
+ this.procBuf.push(uchar);
+ } else {
+ var starter = this.procBuf[0];
+ var composite = starter.getComposite(uchar);
+ var cc = uchar.getCanonicalClass();
+ if(!!composite && (this.lastClass < cc || this.lastClass === 0)){
+ this.procBuf[0] = composite;
+ } else {
+ if(cc === 0){
+ this.resBuf = this.procBuf;
+ this.procBuf = [];
+ }
+ this.lastClass = cc;
+ this.procBuf.push(uchar);
+ }
+ }
+ }
+ return this.resBuf.shift();
+ };
+
+ var createIterator = function(mode, str){
+ switch(mode){
+ case "NFD":
+ return new DecompIterator(new RecursDecompIterator(new UCharIterator(str), true));
+ case "NFKD":
+ return new DecompIterator(new RecursDecompIterator(new UCharIterator(str), false));
+ case "NFC":
+ return new CompIterator(new DecompIterator(new RecursDecompIterator(new UCharIterator(str), true)));
+ case "NFKC":
+ return new CompIterator(new DecompIterator(new RecursDecompIterator(new UCharIterator(str), false)));
+ }
+ throw mode + " is invalid";
+ };
+ var normalize = function(mode, str){
+ var it = createIterator(mode, str);
+ var ret = "";
+ var uchar;
+ while(!!(uchar = it.next())){
+ ret += uchar.toString();
+ }
+ return ret;
+ };
+
+ /* API functions */
+ function nfd(str){
+ return normalize("NFD", str);
+ }
+
+ function nfkd(str){
+ return normalize("NFKD", str);
+ }
+
+ function nfc(str){
+ return normalize("NFC", str);
+ }
+
+ function nfkc(str){
+ return normalize("NFKC", str);
+ }
+
+/* Unicode data */
+UChar.udata={
+0:{60:[,,{824:8814}],61:[,,{824:8800}],62:[,,{824:8815}],65:[,,{768:192,769:193,770:194,771:195,772:256,774:258,775:550,776:196,777:7842,778:197,780:461,783:512,785:514,803:7840,805:7680,808:260}],66:[,,{775:7682,803:7684,817:7686}],67:[,,{769:262,770:264,775:266,780:268,807:199}],68:[,,{775:7690,780:270,803:7692,807:7696,813:7698,817:7694}],69:[,,{768:200,769:201,770:202,771:7868,772:274,774:276,775:278,776:203,777:7866,780:282,783:516,785:518,803:7864,807:552,808:280,813:7704,816:7706}],70:[,,{775:7710}],71:[,,{769:500,770:284,772:7712,774:286,775:288,780:486,807:290}],72:[,,{770:292,775:7714,776:7718,780:542,803:7716,807:7720,814:7722}],73:[,,{768:204,769:205,770:206,771:296,772:298,774:300,775:304,776:207,777:7880,780:463,783:520,785:522,803:7882,808:302,816:7724}],74:[,,{770:308}],75:[,,{769:7728,780:488,803:7730,807:310,817:7732}],76:[,,{769:313,780:317,803:7734,807:315,813:7740,817:7738}],77:[,,{769:7742,775:7744,803:7746}],78:[,,{768:504,769:323,771:209,775:7748,780:327,803:7750,807:325,813:7754,817:7752}],79:[,,{768:210,769:211,770:212,771:213,772:332,774:334,775:558,776:214,777:7886,779:336,780:465,783:524,785:526,795:416,803:7884,808:490}],80:[,,{769:7764,775:7766}],82:[,,{769:340,775:7768,780:344,783:528,785:530,803:7770,807:342,817:7774}],83:[,,{769:346,770:348,775:7776,780:352,803:7778,806:536,807:350}],84:[,,{775:7786,780:356,803:7788,806:538,807:354,813:7792,817:7790}],85:[,,{768:217,769:218,770:219,771:360,772:362,774:364,776:220,777:7910,778:366,779:368,780:467,783:532,785:534,795:431,803:7908,804:7794,808:370,813:7798,816:7796}],86:[,,{771:7804,803:7806}],87:[,,{768:7808,769:7810,770:372,775:7814,776:7812,803:7816}],88:[,,{775:7818,776:7820}],89:[,,{768:7922,769:221,770:374,771:7928,772:562,775:7822,776:376,777:7926,803:7924}],90:[,,{769:377,770:7824,775:379,780:381,803:7826,817:7828}],97:[,,{768:224,769:225,770:226,771:227,772:257,774:259,775:551,776:228,777:7843,778:229,780:462,783:513,785:515,803:7841,805:7681,808:261}],98:[,,{775:7683,803:7685,817:7687}],99:[,,{769:263,770:265,775:267,780:269,807:231}],100:[,,{775:7691,780:271,803:7693,807:7697,813:7699,817:7695}],101:[,,{768:232,769:233,770:234,771:7869,772:275,774:277,775:279,776:235,777:7867,780:283,783:517,785:519,803:7865,807:553,808:281,813:7705,816:7707}],102:[,,{775:7711}],103:[,,{769:501,770:285,772:7713,774:287,775:289,780:487,807:291}],104:[,,{770:293,775:7715,776:7719,780:543,803:7717,807:7721,814:7723,817:7830}],105:[,,{768:236,769:237,770:238,771:297,772:299,774:301,776:239,777:7881,780:464,783:521,785:523,803:7883,808:303,816:7725}],106:[,,{770:309,780:496}],107:[,,{769:7729,780:489,803:7731,807:311,817:7733}],108:[,,{769:314,780:318,803:7735,807:316,813:7741,817:7739}],109:[,,{769:7743,775:7745,803:7747}],110:[,,{768:505,769:324,771:241,775:7749,780:328,803:7751,807:326,813:7755,817:7753}],111:[,,{768:242,769:243,770:244,771:245,772:333,774:335,775:559,776:246,777:7887,779:337,780:466,783:525,785:527,795:417,803:7885,808:491}],112:[,,{769:7765,775:7767}],114:[,,{769:341,775:7769,780:345,783:529,785:531,803:7771,807:343,817:7775}],115:[,,{769:347,770:349,775:7777,780:353,803:7779,806:537,807:351}],116:[,,{775:7787,776:7831,780:357,803:7789,806:539,807:355,813:7793,817:7791}],117:[,,{768:249,769:250,770:251,771:361,772:363,774:365,776:252,777:7911,778:367,779:369,780:468,783:533,785:535,795:432,803:7909,804:7795,808:371,813:7799,816:7797}],118:[,,{771:7805,803:7807}],119:[,,{768:7809,769:7811,770:373,775:7815,776:7813,778:7832,803:7817}],120:[,,{775:7819,776:7821}],121:[,,{768:7923,769:253,770:375,771:7929,772:563,775:7823,776:255,777:7927,778:7833,803:7925}],122:[,,{769:378,770:7825,775:380,780:382,803:7827,817:7829}],160:[[32],256],168:[[32,776],256,{768:8173,769:901,834:8129}],170:[[97],256],175:[[32,772],256],178:[[50],256],179:[[51],256],180:[[32,769],256],181:[[956],256],184:[[32,807],256],185:[[49],256],186:[[111],256],188:[[49,8260,52],256],189:[[49,8260,50],256],190:[[51,8260,52],256],192:[[65,768]],193:[[65,769]],194:[[65,770],,{768:7846,769:7844,771:7850,777:7848}],195:[[65,771]],196:[[65,776],,{772:478}],197:[[65,778],,{769:506}],198:[,,{769:508,772:482}],199:[[67,807],,{769:7688}],200:[[69,768]],201:[[69,769]],202:[[69,770],,{768:7872,769:7870,771:7876,777:7874}],203:[[69,776]],204:[[73,768]],205:[[73,769]],206:[[73,770]],207:[[73,776],,{769:7726}],209:[[78,771]],210:[[79,768]],211:[[79,769]],212:[[79,770],,{768:7890,769:7888,771:7894,777:7892}],213:[[79,771],,{769:7756,772:556,776:7758}],214:[[79,776],,{772:554}],216:[,,{769:510}],217:[[85,768]],218:[[85,769]],219:[[85,770]],220:[[85,776],,{768:475,769:471,772:469,780:473}],221:[[89,769]],224:[[97,768]],225:[[97,769]],226:[[97,770],,{768:7847,769:7845,771:7851,777:7849}],227:[[97,771]],228:[[97,776],,{772:479}],229:[[97,778],,{769:507}],230:[,,{769:509,772:483}],231:[[99,807],,{769:7689}],232:[[101,768]],233:[[101,769]],234:[[101,770],,{768:7873,769:7871,771:7877,777:7875}],235:[[101,776]],236:[[105,768]],237:[[105,769]],238:[[105,770]],239:[[105,776],,{76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+256:{256:[[65,772]],257:[[97,772]],258:[[65,774],,{768:7856,769:7854,771:7860,777:7858}],259:[[97,774],,{768:7857,769:7855,771:7861,777:7859}],260:[[65,808]],261:[[97,808]],262:[[67,769]],263:[[99,769]],264:[[67,770]],265:[[99,770]],266:[[67,775]],267:[[99,775]],268:[[67,780]],269:[[99,780]],270:[[68,780]],271:[[100,780]],274:[[69,772],,{768:7700,769:7702}],275:[[101,772],,{768:7701,769:7703}],276:[[69,774]],277:[[101,774]],278:[[69,775]],279:[[101,775]],280:[[69,808]],281:[[101,808]],282:[[69,780]],283:[[101,780]],284:[[71,770]],285:[[103,770]],286:[[71,774]],287:[[103,774]],288:[[71,775]],289:[[103,775]],290:[[71,807]],291:[[103,807]],292:[[72,770]],293:[[104,770]],296:[[73,771]],297:[[105,771]],298:[[73,772]],299:[[105,772]],300:[[73,774]],301:[[105,774]],302:[[73,808]],303:[[105,808]],304:[[73,775]],306:[[73,74],256],307:[[105,106],256],308:[[74,770]],309:[[106,770]],310:[[75,807]],311:[[107,807]],313:[[76,769]],314:[[108,769]],315:[[76,807]],316:[[108,807]],317:[[76,780]],318:[[108,780]],319:[[76,183],256],320:[[108,183],256],323:[[78,769]],324:[[110,769]],325:[[78,807]],326:[[110,807]],327:[[78,780]],328:[[110,780]],329:[[700,110],256],332:[[79,772],,{768:7760,769:7762}],333:[[111,772],,{768:7761,769:7763}],334:[[79,774]],335:[[111,774]],336:[[79,779]],337:[[111,779]],340:[[82,769]],341:[[114,769]],342:[[82,807]],343:[[114,807]],344:[[82,780]],345:[[114,780]],346:[[83,769],,{775:7780}],347:[[115,769],,{775:7781}],348:[[83,770]],349:[[115,770]],350:[[83,807]],351:[[115,807]],352:[[83,780],,{775:7782}],353:[[115,780],,{775:7783}],354:[[84,807]],355:[[116,807]],356:[[84,780]],357:[[116,780]],360:[[85,771],,{769:7800}],361:[[117,771],,{769:7801}],362:[[85,772],,{776:7802}],363:[[117,772],,{776:7803}],364:[[85,774]],365:[[117,774]],366:[[85,778]],367:[[117,778]],368:[[85,779]],369:[[117,779]],370:[[85,808]],371:[[117,808]],372:[[87,770]],373:[[119,770]],374:[[89,770]],375:[[121,770]],376:[[89,776]],377:[[90,769]],378:[[122,769]],379:[[90,775]],380:[[122,775]],381:[[90,780]],382:[[122,780]],383:[[115],256,{775:7835}],416:[[79,795],,{768:7900,769:7898,771:7904,777:7902,803:7906}],417:[[111,795],,{768:7901,769:7899,771:7905,777:7903,803:7907}],431:[[85,795],,{768:7914,769:7912,771:7918,777:7916,803:7920}],432:[[117,795],,{768:7915,769:7913,771:7919,777:7917,803:7921}],439:[,,{780:494}],452:[[68,381],256],453:[[68,382],256],454:[[100,382],256],455:[[76,74],256],456:[[76,106],256],457:[[108,106],256],458:[[78,74],256],459:[[78,106],256],460:[[110,106],256],461:[[65,780]],462:[[97,780]],463:[[73,780]],464:[[105,780]],465:[[79,780]],466:[[111,780]],467:[[85,780]],468:[[117,780]],469:[[220,772]],470:[[252,772]],471:[[220,769]],472:[[252,769]],473:[[220,780]],474:[[252,780]],475:[[220,768]],476:[[252,768]],478:[[196,772]],479:[[228,772]],480:[[550,772]],481:[[551,772]],482:[[198,772]],483:[[230,772]],486:[[71,780]],487:[[103,780]],488:[[75,780]],489:[[107,780]],490:[[79,808],,{772:492}],491:[[111,808],,{772:493}],492:[[490,772]],493:[[491,772]],494:[[439,780]],495:[[658,780]],496:[[106,780]],497:[[68,90],256],498:[[68,122],256],499:[[100,122],256],500:[[71,769]],501:[[103,769]],504:[[78,768]],505:[[110,768]],506:[[197,769]],507:[[229,769]],508:[[198,769]],509:[[230,769]],510:[[216,769]],511:[[248,769]],66045:[,220]},
+512:{512:[[65,783]],513:[[97,783]],514:[[65,785]],515:[[97,785]],516:[[69,783]],517:[[101,783]],518:[[69,785]],519:[[101,785]],520:[[73,783]],521:[[105,783]],522:[[73,785]],523:[[105,785]],524:[[79,783]],525:[[111,783]],526:[[79,785]],527:[[111,785]],528:[[82,783]],529:[[114,783]],530:[[82,785]],531:[[114,785]],532:[[85,783]],533:[[117,783]],534:[[85,785]],535:[[117,785]],536:[[83,806]],537:[[115,806]],538:[[84,806]],539:[[116,806]],542:[[72,780]],543:[[104,780]],550:[[65,775],,{772:480}],551:[[97,775],,{772:481}],552:[[69,807],,{774:7708}],553:[[101,807],,{774:7709}],554:[[214,772]],555:[[246,772]],556:[[213,772]],557:[[245,772]],558:[[79,775],,{772:560}],559:[[111,775],,{772:561}],560:[[558,772]],561:[[559,772]],562:[[89,772]],563:[[121,772]],658:[,,{780:495}],688:[[104],256],689:[[614],256],690:[[106],256],691:[[114],256],692:[[633],256],693:[[635],256],694:[[641],256],695:[[119],256],696:[[121],256],728:[[32,774],256],729:[[32,775],256],730:[[32,778],256],731:[[32,808],256],732:[[32,771],256],733:[[32,779],256],736:[[611],256],737:[[108],256],738:[[115],256],739:[[120],256],740:[[661],256],66272:[,220]},
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+
+};
+
+ /***** Module to export */
+ var unorm = {
+ nfc: nfc,
+ nfd: nfd,
+ nfkc: nfkc,
+ nfkd: nfkd
+ };
+
+ /*globals module:true,define:true*/
+
+ // CommonJS
+ if (typeof module === "object") {
+ module.exports = unorm;
+
+ // AMD
+ } else if (typeof define === "function" && define.amd) {
+ define("unorm", function () {
+ return unorm;
+ });
+
+ // Global
+ } else {
+ root.unorm = unorm;
+ }
+
+ /***** Export as shim for String::normalize method *****/
+ /*
+ http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts#november_8_2013_draft_rev_21
+
+ 21.1.3.12 String.prototype.normalize(form="NFC")
+ When the normalize method is called with one argument form, the following steps are taken:
+
+ 1. Let O be CheckObjectCoercible(this value).
+ 2. Let S be ToString(O).
+ 3. ReturnIfAbrupt(S).
+ 4. If form is not provided or undefined let form be "NFC".
+ 5. Let f be ToString(form).
+ 6. ReturnIfAbrupt(f).
+ 7. If f is not one of "NFC", "NFD", "NFKC", or "NFKD", then throw a RangeError Exception.
+ 8. Let ns be the String value is the result of normalizing S into the normalization form named by f as specified in Unicode Standard Annex #15, UnicodeNormalizatoin Forms.
+ 9. Return ns.
+
+ The length property of the normalize method is 0.
+
+ *NOTE* The normalize function is intentionally generic; it does not require that its this value be a String object. Therefore it can be transferred to other kinds of objects for use as a method.
+ */
+ unorm.shimApplied = false;
+
+ if (!String.prototype.normalize) {
+ String.prototype.normalize = function(form) {
+ var str = "" + this;
+ form = form === undefined ? "NFC" : form;
+
+ if (form === "NFC") {
+ return unorm.nfc(str);
+ } else if (form === "NFD") {
+ return unorm.nfd(str);
+ } else if (form === "NFKC") {
+ return unorm.nfkc(str);
+ } else if (form === "NFKD") {
+ return unorm.nfkd(str);
+ } else {
+ throw new RangeError("Invalid normalization form: " + form);
+ }
+ };
+
+ unorm.shimApplied = true;
+ }
+}(this));
+</script>
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+ <script>(function() {
+ 'use strict';
+
+ /**
+ * Extend an Object with another Object's properties.
+ *
+ * The source objects are specified as additional arguments.
+ *
+ * @param dst Object the object to extend.
+ *
+ * @return Object the final object.
+ */
+ var _extend = function(dst) {
+ var sources = Array.prototype.slice.call(arguments, 1);
+ for (var i=0; i<sources.length; ++i) {
+ var src = sources[i];
+ for (var p in src) {
+ if (src.hasOwnProperty(p)) dst[p] = src[p];
+ }
+ }
+ return dst;
+ };
+
+
+ /**
+ * Defer execution of given function.
+ * @param {Function} func
+ */
+ var _defer = function(func) {
+ if (typeof setImmediate === 'function') {
+ return setImmediate(func);
+ } else {
+ return setTimeout(func, 0);
+ }
+ };
+
+ /**
+ * Based on the algorithm at http://en.wikipedia.org/wiki/Levenshtein_distance.
+ */
+ var Levenshtein = {
+ /**
+ * Calculate levenshtein distance of the two strings.
+ *
+ * @param str1 String the first string.
+ * @param str2 String the second string.
+ * @return Integer the levenshtein distance (0 and above).
+ */
+ get: function(str1, str2) {
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+ if (str2.length === 0) return str1.length;
+
+ // two rows
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+ curCol, nextCol, i, j, tmp;
+
+ // initialise previous row
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+ }
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+
+ for (j=0; j<str2.length; ++j) {
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+
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+ // insertion
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+ nextCol = tmp;
+ }
+ // deletion
+ tmp = prevRow[j + 1] + 1;
+ if (nextCol > tmp) {
+ nextCol = tmp;
+ }
+
+ // copy current col value into previous (in preparation for next iteration)
+ prevRow[j] = curCol;
+ }
+
+ // copy last col value into previous (in preparation for next iteration)
+ prevRow[j] = nextCol;
+ }
+
+ return nextCol;
+ },
+
+ /**
+ * Asynchronously calculate levenshtein distance of the two strings.
+ *
+ * @param str1 String the first string.
+ * @param str2 String the second string.
+ * @param cb Function callback function with signature: function(Error err, int distance)
+ * @param [options] Object additional options.
+ * @param [options.progress] Function progress callback with signature: function(percentComplete)
+ */
+ getAsync: function(str1, str2, cb, options) {
+ options = _extend({}, {
+ progress: null
+ }, options);
+
+ // base cases
+ if (str1 === str2) return cb(null, 0);
+ if (str1.length === 0) return cb(null, str2.length);
+ if (str2.length === 0) return cb(null, str1.length);
+
+ // two rows
+ var prevRow = new Array(str2.length + 1),
+ curCol, nextCol,
+ i, j, tmp,
+ startTime, currentTime;
+
+ // initialise previous row
+ for (i=0; i<prevRow.length; ++i) {
+ prevRow[i] = i;
+ }
+
+ nextCol = 1;
+ i = 0;
+ j = -1;
+
+ var __calculate = function() {
+ // reset timer
+ startTime = new Date().valueOf();
+ currentTime = startTime;
+
+ // keep going until one second has elapsed
+ while (currentTime - startTime < 1000) {
+ // reached end of current row?
+ if (str2.length <= (++j)) {
+ // copy current into previous (in preparation for next iteration)
+ prevRow[j] = nextCol;
+
+ // if already done all chars
+ if (str1.length <= (++i)) {
+ return cb(null, nextCol);
+ }
+ // else if we have more left to do
+ else {
+ nextCol = i + 1;
+ j = 0;
+ }
+ }
+
+ // calculation
+ curCol = nextCol;
+
+ // substution
+ nextCol = prevRow[j] + ( (str1.charAt(i) === str2.charAt(j)) ? 0 : 1 );
+ // insertion
+ tmp = curCol + 1;
+ if (nextCol > tmp) {
+ nextCol = tmp;
+ }
+ // deletion
+ tmp = prevRow[j + 1] + 1;
+ if (nextCol > tmp) {
+ nextCol = tmp;
+ }
+
+ // copy current into previous (in preparation for next iteration)
+ prevRow[j] = curCol;
+
+ // get current time
+ currentTime = new Date().valueOf();
+ }
+
+ // send a progress update?
+ if (null !== options.progress) {
+ try {
+ options.progress.call(null, (i * 100.0/ str1.length));
+ } catch (err) {
+ return cb('Progress callback: ' + err.toString());
+ }
+ }
+
+ // next iteration
+ _defer(__calculate);
+ };
+
+ __calculate();
+ }
+
+ };
+
+ // amd
+ if (typeof define !== "undefined" && define !== null && define.amd) {
+ define(function() {
+ return Levenshtein;
+ });
+ }
+ // commonjs
+ else if (typeof module !== "undefined" && module !== null && typeof exports !== "undefined" && module.exports === exports) {
+ module.exports = Levenshtein;
+ }
+ // web worker
+ else if (typeof self !== "undefined" && typeof self.postMessage === 'function' && typeof self.importScripts === 'function') {
+ self.Levenshtein = Levenshtein;
+ }
+ // browser main thread
+ else if (typeof window !== "undefined" && window !== null) {
+ window.Levenshtein = Levenshtein;
+ }
+}());
+
+</script>
+ <script>(function(r){r.fn.qrcode=function(h){var s;function u(a){this.mode=s;this.data=a}function o(a,c){this.typeNumber=a;this.errorCorrectLevel=c;this.modules=null;this.moduleCount=0;this.dataCache=null;this.dataList=[]}function q(a,c){if(void 0==a.length)throw Error(a.length+"/"+c);for(var d=0;d<a.length&&0==a[d];)d++;this.num=Array(a.length-d+c);for(var b=0;b<a.length-d;b++)this.num[b]=a[b+d]}function p(a,c){this.totalCount=a;this.dataCount=c}function t(){this.buffer=[];this.length=0}u.prototype={getLength:function(){return this.data.length},
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+45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]];p.getRSBlocks=function(a,c){var d=p.getRsBlockTable(a,c);if(void 0==d)throw Error("bad rs block @ typeNumber:"+a+"/errorCorrectLevel:"+c);for(var b=d.length/3,e=[],f=0;f<b;f++)for(var h=d[3*f+0],g=d[3*f+1],j=d[3*f+2],l=0;l<h;l++)e.push(new p(g,j));return e};p.getRsBlockTable=function(a,c){switch(c){case 1:return p.RS_BLOCK_TABLE[4*(a-1)+0];case 0:return p.RS_BLOCK_TABLE[4*(a-1)+1];case 3:return p.RS_BLOCK_TABLE[4*
+(a-1)+2];case 2:return p.RS_BLOCK_TABLE[4*(a-1)+3]}};t.prototype={get:function(a){return 1==(this.buffer[Math.floor(a/8)]>>>7-a%8&1)},put:function(a,c){for(var d=0;d<c;d++)this.putBit(1==(a>>>c-d-1&1))},getLengthInBits:function(){return this.length},putBit:function(a){var c=Math.floor(this.length/8);this.buffer.length<=c&&this.buffer.push(0);a&&(this.buffer[c]|=128>>>this.length%8);this.length++}};"string"===typeof h&&(h={text:h});h=r.extend({},{render:"canvas",width:256,height:256,typeNumber:-1,
+correctLevel:3,background:"#ffffff",foreground:"#000000"},h);return this.each(function(){var a;if("canvas"==h.render){a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();var c=document.createElement("canvas");c.width=h.width;c.height=h.height;for(var d=c.getContext("2d"),b=h.width/a.getModuleCount(),e=h.height/a.getModuleCount(),f=0;f<a.getModuleCount();f++)for(var i=0;i<a.getModuleCount();i++){d.fillStyle=a.isDark(f,i)?h.foreground:h.background;var g=Math.ceil((i+1)*b)-Math.floor(i*b),
+j=Math.ceil((f+1)*b)-Math.floor(f*b);d.fillRect(Math.round(i*b),Math.round(f*e),g,j)}}else{a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();c=r("<table></table>").css("width",h.width+"px").css("height",h.height+"px").css("border","0px").css("border-collapse","collapse").css("background-color",h.background);d=h.width/a.getModuleCount();b=h.height/a.getModuleCount();for(e=0;e<a.getModuleCount();e++){f=r("<tr></tr>").css("height",b+"px").appendTo(c);for(i=0;i<a.getModuleCount();i++)r("<td></td>").css("width",
+d+"px").css("background-color",a.isDark(e,i)?h.foreground:h.background).appendTo(f)}}a=c;$(a).appendTo(this)})}})($);
+</script>
+ <script>(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.bitcoinjs = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+(function (global){
+'use strict';
+
+// compare and isBuffer taken from https://github.com/feross/buffer/blob/680e9e5e488f22aac27599a57dc844a6315928dd/index.js
+// original notice:
+
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license MIT
+ */
+function compare(a, b) {
+ if (a === b) {
+ return 0;
+ }
+
+ var x = a.length;
+ var y = b.length;
+
+ for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+ if (a[i] !== b[i]) {
+ x = a[i];
+ y = b[i];
+ break;
+ }
+ }
+
+ if (x < y) {
+ return -1;
+ }
+ if (y < x) {
+ return 1;
+ }
+ return 0;
+}
+function isBuffer(b) {
+ if (global.Buffer && typeof global.Buffer.isBuffer === 'function') {
+ return global.Buffer.isBuffer(b);
+ }
+ return !!(b != null && b._isBuffer);
+}
+
+// based on node assert, original notice:
+
+// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
+//
+// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
+//
+// Originally from narwhal.js (http://narwhaljs.org)
+// Copyright (c) 2009 Thomas Robinson <280north.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the 'Software'), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var util = require('util/');
+var hasOwn = Object.prototype.hasOwnProperty;
+var pSlice = Array.prototype.slice;
+var functionsHaveNames = (function () {
+ return function foo() {}.name === 'foo';
+}());
+function pToString (obj) {
+ return Object.prototype.toString.call(obj);
+}
+function isView(arrbuf) {
+ if (isBuffer(arrbuf)) {
+ return false;
+ }
+ if (typeof global.ArrayBuffer !== 'function') {
+ return false;
+ }
+ if (typeof ArrayBuffer.isView === 'function') {
+ return ArrayBuffer.isView(arrbuf);
+ }
+ if (!arrbuf) {
+ return false;
+ }
+ if (arrbuf instanceof DataView) {
+ return true;
+ }
+ if (arrbuf.buffer && arrbuf.buffer instanceof ArrayBuffer) {
+ return true;
+ }
+ return false;
+}
+// 1. The assert module provides functions that throw
+// AssertionError's when particular conditions are not met. The
+// assert module must conform to the following interface.
+
+var assert = module.exports = ok;
+
+// 2. The AssertionError is defined in assert.
+// new assert.AssertionError({ message: message,
+// actual: actual,
+// expected: expected })
+
+var regex = /\s*function\s+([^\(\s]*)\s*/;
+// based on https://github.com/ljharb/function.prototype.name/blob/adeeeec8bfcc6068b187d7d9fb3d5bb1d3a30899/implementation.js
+function getName(func) {
+ if (!util.isFunction(func)) {
+ return;
+ }
+ if (functionsHaveNames) {
+ return func.name;
+ }
+ var str = func.toString();
+ var match = str.match(regex);
+ return match && match[1];
+}
+assert.AssertionError = function AssertionError(options) {
+ this.name = 'AssertionError';
+ this.actual = options.actual;
+ this.expected = options.expected;
+ this.operator = options.operator;
+ if (options.message) {
+ this.message = options.message;
+ this.generatedMessage = false;
+ } else {
+ this.message = getMessage(this);
+ this.generatedMessage = true;
+ }
+ var stackStartFunction = options.stackStartFunction || fail;
+ if (Error.captureStackTrace) {
+ Error.captureStackTrace(this, stackStartFunction);
+ } else {
+ // non v8 browsers so we can have a stacktrace
+ var err = new Error();
+ if (err.stack) {
+ var out = err.stack;
+
+ // try to strip useless frames
+ var fn_name = getName(stackStartFunction);
+ var idx = out.indexOf('\n' + fn_name);
+ if (idx >= 0) {
+ // once we have located the function frame
+ // we need to strip out everything before it (and its line)
+ var next_line = out.indexOf('\n', idx + 1);
+ out = out.substring(next_line + 1);
+ }
+
+ this.stack = out;
+ }
+ }
+};
+
+// assert.AssertionError instanceof Error
+util.inherits(assert.AssertionError, Error);
+
+function truncate(s, n) {
+ if (typeof s === 'string') {
+ return s.length < n ? s : s.slice(0, n);
+ } else {
+ return s;
+ }
+}
+function inspect(something) {
+ if (functionsHaveNames || !util.isFunction(something)) {
+ return util.inspect(something);
+ }
+ var rawname = getName(something);
+ var name = rawname ? ': ' + rawname : '';
+ return '[Function' + name + ']';
+}
+function getMessage(self) {
+ return truncate(inspect(self.actual), 128) + ' ' +
+ self.operator + ' ' +
+ truncate(inspect(self.expected), 128);
+}
+
+// At present only the three keys mentioned above are used and
+// understood by the spec. Implementations or sub modules can pass
+// other keys to the AssertionError's constructor - they will be
+// ignored.
+
+// 3. All of the following functions must throw an AssertionError
+// when a corresponding condition is not met, with a message that
+// may be undefined if not provided. All assertion methods provide
+// both the actual and expected values to the assertion error for
+// display purposes.
+
+function fail(actual, expected, message, operator, stackStartFunction) {
+ throw new assert.AssertionError({
+ message: message,
+ actual: actual,
+ expected: expected,
+ operator: operator,
+ stackStartFunction: stackStartFunction
+ });
+}
+
+// EXTENSION! allows for well behaved errors defined elsewhere.
+assert.fail = fail;
+
+// 4. Pure assertion tests whether a value is truthy, as determined
+// by !!guard.
+// assert.ok(guard, message_opt);
+// This statement is equivalent to assert.equal(true, !!guard,
+// message_opt);. To test strictly for the value true, use
+// assert.strictEqual(true, guard, message_opt);.
+
+function ok(value, message) {
+ if (!value) fail(value, true, message, '==', assert.ok);
+}
+assert.ok = ok;
+
+// 5. The equality assertion tests shallow, coercive equality with
+// ==.
+// assert.equal(actual, expected, message_opt);
+
+assert.equal = function equal(actual, expected, message) {
+ if (actual != expected) fail(actual, expected, message, '==', assert.equal);
+};
+
+// 6. The non-equality assertion tests for whether two objects are not equal
+// with != assert.notEqual(actual, expected, message_opt);
+
+assert.notEqual = function notEqual(actual, expected, message) {
+ if (actual == expected) {
+ fail(actual, expected, message, '!=', assert.notEqual);
+ }
+};
+
+// 7. The equivalence assertion tests a deep equality relation.
+// assert.deepEqual(actual, expected, message_opt);
+
+assert.deepEqual = function deepEqual(actual, expected, message) {
+ if (!_deepEqual(actual, expected, false)) {
+ fail(actual, expected, message, 'deepEqual', assert.deepEqual);
+ }
+};
+
+assert.deepStrictEqual = function deepStrictEqual(actual, expected, message) {
+ if (!_deepEqual(actual, expected, true)) {
+ fail(actual, expected, message, 'deepStrictEqual', assert.deepStrictEqual);
+ }
+};
+
+function _deepEqual(actual, expected, strict, memos) {
+ // 7.1. All identical values are equivalent, as determined by ===.
+ if (actual === expected) {
+ return true;
+ } else if (isBuffer(actual) && isBuffer(expected)) {
+ return compare(actual, expected) === 0;
+
+ // 7.2. If the expected value is a Date object, the actual value is
+ // equivalent if it is also a Date object that refers to the same time.
+ } else if (util.isDate(actual) && util.isDate(expected)) {
+ return actual.getTime() === expected.getTime();
+
+ // 7.3 If the expected value is a RegExp object, the actual value is
+ // equivalent if it is also a RegExp object with the same source and
+ // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
+ } else if (util.isRegExp(actual) && util.isRegExp(expected)) {
+ return actual.source === expected.source &&
+ actual.global === expected.global &&
+ actual.multiline === expected.multiline &&
+ actual.lastIndex === expected.lastIndex &&
+ actual.ignoreCase === expected.ignoreCase;
+
+ // 7.4. Other pairs that do not both pass typeof value == 'object',
+ // equivalence is determined by ==.
+ } else if ((actual === null || typeof actual !== 'object') &&
+ (expected === null || typeof expected !== 'object')) {
+ return strict ? actual === expected : actual == expected;
+
+ // If both values are instances of typed arrays, wrap their underlying
+ // ArrayBuffers in a Buffer each to increase performance
+ // This optimization requires the arrays to have the same type as checked by
+ // Object.prototype.toString (aka pToString). Never perform binary
+ // comparisons for Float*Arrays, though, since e.g. +0 === -0 but their
+ // bit patterns are not identical.
+ } else if (isView(actual) && isView(expected) &&
+ pToString(actual) === pToString(expected) &&
+ !(actual instanceof Float32Array ||
+ actual instanceof Float64Array)) {
+ return compare(new Uint8Array(actual.buffer),
+ new Uint8Array(expected.buffer)) === 0;
+
+ // 7.5 For all other Object pairs, including Array objects, equivalence is
+ // determined by having the same number of owned properties (as verified
+ // with Object.prototype.hasOwnProperty.call), the same set of keys
+ // (although not necessarily the same order), equivalent values for every
+ // corresponding key, and an identical 'prototype' property. Note: this
+ // accounts for both named and indexed properties on Arrays.
+ } else if (isBuffer(actual) !== isBuffer(expected)) {
+ return false;
+ } else {
+ memos = memos || {actual: [], expected: []};
+
+ var actualIndex = memos.actual.indexOf(actual);
+ if (actualIndex !== -1) {
+ if (actualIndex === memos.expected.indexOf(expected)) {
+ return true;
+ }
+ }
+
+ memos.actual.push(actual);
+ memos.expected.push(expected);
+
+ return objEquiv(actual, expected, strict, memos);
+ }
+}
+
+function isArguments(object) {
+ return Object.prototype.toString.call(object) == '[object Arguments]';
+}
+
+function objEquiv(a, b, strict, actualVisitedObjects) {
+ if (a === null || a === undefined || b === null || b === undefined)
+ return false;
+ // if one is a primitive, the other must be same
+ if (util.isPrimitive(a) || util.isPrimitive(b))
+ return a === b;
+ if (strict && Object.getPrototypeOf(a) !== Object.getPrototypeOf(b))
+ return false;
+ var aIsArgs = isArguments(a);
+ var bIsArgs = isArguments(b);
+ if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs))
+ return false;
+ if (aIsArgs) {
+ a = pSlice.call(a);
+ b = pSlice.call(b);
+ return _deepEqual(a, b, strict);
+ }
+ var ka = objectKeys(a);
+ var kb = objectKeys(b);
+ var key, i;
+ // having the same number of owned properties (keys incorporates
+ // hasOwnProperty)
+ if (ka.length !== kb.length)
+ return false;
+ //the same set of keys (although not necessarily the same order),
+ ka.sort();
+ kb.sort();
+ //~~~cheap key test
+ for (i = ka.length - 1; i >= 0; i--) {
+ if (ka[i] !== kb[i])
+ return false;
+ }
+ //equivalent values for every corresponding key, and
+ //~~~possibly expensive deep test
+ for (i = ka.length - 1; i >= 0; i--) {
+ key = ka[i];
+ if (!_deepEqual(a[key], b[key], strict, actualVisitedObjects))
+ return false;
+ }
+ return true;
+}
+
+// 8. The non-equivalence assertion tests for any deep inequality.
+// assert.notDeepEqual(actual, expected, message_opt);
+
+assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
+ if (_deepEqual(actual, expected, false)) {
+ fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
+ }
+};
+
+assert.notDeepStrictEqual = notDeepStrictEqual;
+function notDeepStrictEqual(actual, expected, message) {
+ if (_deepEqual(actual, expected, true)) {
+ fail(actual, expected, message, 'notDeepStrictEqual', notDeepStrictEqual);
+ }
+}
+
+
+// 9. The strict equality assertion tests strict equality, as determined by ===.
+// assert.strictEqual(actual, expected, message_opt);
+
+assert.strictEqual = function strictEqual(actual, expected, message) {
+ if (actual !== expected) {
+ fail(actual, expected, message, '===', assert.strictEqual);
+ }
+};
+
+// 10. The strict non-equality assertion tests for strict inequality, as
+// determined by !==. assert.notStrictEqual(actual, expected, message_opt);
+
+assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
+ if (actual === expected) {
+ fail(actual, expected, message, '!==', assert.notStrictEqual);
+ }
+};
+
+function expectedException(actual, expected) {
+ if (!actual || !expected) {
+ return false;
+ }
+
+ if (Object.prototype.toString.call(expected) == '[object RegExp]') {
+ return expected.test(actual);
+ }
+
+ try {
+ if (actual instanceof expected) {
+ return true;
+ }
+ } catch (e) {
+ // Ignore. The instanceof check doesn't work for arrow functions.
+ }
+
+ if (Error.isPrototypeOf(expected)) {
+ return false;
+ }
+
+ return expected.call({}, actual) === true;
+}
+
+function _tryBlock(block) {
+ var error;
+ try {
+ block();
+ } catch (e) {
+ error = e;
+ }
+ return error;
+}
+
+function _throws(shouldThrow, block, expected, message) {
+ var actual;
+
+ if (typeof block !== 'function') {
+ throw new TypeError('"block" argument must be a function');
+ }
+
+ if (typeof expected === 'string') {
+ message = expected;
+ expected = null;
+ }
+
+ actual = _tryBlock(block);
+
+ message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
+ (message ? ' ' + message : '.');
+
+ if (shouldThrow && !actual) {
+ fail(actual, expected, 'Missing expected exception' + message);
+ }
+
+ var userProvidedMessage = typeof message === 'string';
+ var isUnwantedException = !shouldThrow && util.isError(actual);
+ var isUnexpectedException = !shouldThrow && actual && !expected;
+
+ if ((isUnwantedException &&
+ userProvidedMessage &&
+ expectedException(actual, expected)) ||
+ isUnexpectedException) {
+ fail(actual, expected, 'Got unwanted exception' + message);
+ }
+
+ if ((shouldThrow && actual && expected &&
+ !expectedException(actual, expected)) || (!shouldThrow && actual)) {
+ throw actual;
+ }
+}
+
+// 11. Expected to throw an error:
+// assert.throws(block, Error_opt, message_opt);
+
+assert.throws = function(block, /*optional*/error, /*optional*/message) {
+ _throws(true, block, error, message);
+};
+
+// EXTENSION! This is annoying to write outside this module.
+assert.doesNotThrow = function(block, /*optional*/error, /*optional*/message) {
+ _throws(false, block, error, message);
+};
+
+assert.ifError = function(err) { if (err) throw err; };
+
+var objectKeys = Object.keys || function (obj) {
+ var keys = [];
+ for (var key in obj) {
+ if (hasOwn.call(obj, key)) keys.push(key);
+ }
+ return keys;
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"util/":32}],2:[function(require,module,exports){
+'use strict'
+
+exports.byteLength = byteLength
+exports.toByteArray = toByteArray
+exports.fromByteArray = fromByteArray
+
+var lookup = []
+var revLookup = []
+var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
+
+var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+for (var i = 0, len = code.length; i < len; ++i) {
+ lookup[i] = code[i]
+ revLookup[code.charCodeAt(i)] = i
+}
+
+revLookup['-'.charCodeAt(0)] = 62
+revLookup['_'.charCodeAt(0)] = 63
+
+function placeHoldersCount (b64) {
+ var len = b64.length
+ if (len % 4 > 0) {
+ throw new Error('Invalid string. Length must be a multiple of 4')
+ }
+
+ // the number of equal signs (place holders)
+ // if there are two placeholders, than the two characters before it
+ // represent one byte
+ // if there is only one, then the three characters before it represent 2 bytes
+ // this is just a cheap hack to not do indexOf twice
+ return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
+}
+
+function byteLength (b64) {
+ // base64 is 4/3 + up to two characters of the original data
+ return (b64.length * 3 / 4) - placeHoldersCount(b64)
+}
+
+function toByteArray (b64) {
+ var i, l, tmp, placeHolders, arr
+ var len = b64.length
+ placeHolders = placeHoldersCount(b64)
+
+ arr = new Arr((len * 3 / 4) - placeHolders)
+
+ // if there are placeholders, only get up to the last complete 4 chars
+ l = placeHolders > 0 ? len - 4 : len
+
+ var L = 0
+
+ for (i = 0; i < l; i += 4) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]
+ arr[L++] = (tmp >> 16) & 0xFF
+ arr[L++] = (tmp >> 8) & 0xFF
+ arr[L++] = tmp & 0xFF
+ }
+
+ if (placeHolders === 2) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)
+ arr[L++] = tmp & 0xFF
+ } else if (placeHolders === 1) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)
+ arr[L++] = (tmp >> 8) & 0xFF
+ arr[L++] = tmp & 0xFF
+ }
+
+ return arr
+}
+
+function tripletToBase64 (num) {
+ return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
+}
+
+function encodeChunk (uint8, start, end) {
+ var tmp
+ var output = []
+ for (var i = start; i < end; i += 3) {
+ tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
+ output.push(tripletToBase64(tmp))
+ }
+ return output.join('')
+}
+
+function fromByteArray (uint8) {
+ var tmp
+ var len = uint8.length
+ var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
+ var output = ''
+ var parts = []
+ var maxChunkLength = 16383 // must be multiple of 3
+
+ // go through the array every three bytes, we'll deal with trailing stuff later
+ for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+ parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
+ }
+
+ // pad the end with zeros, but make sure to not forget the extra bytes
+ if (extraBytes === 1) {
+ tmp = uint8[len - 1]
+ output += lookup[tmp >> 2]
+ output += lookup[(tmp << 4) & 0x3F]
+ output += '=='
+ } else if (extraBytes === 2) {
+ tmp = (uint8[len - 2] << 8) + (uint8[len - 1])
+ output += lookup[tmp >> 10]
+ output += lookup[(tmp >> 4) & 0x3F]
+ output += lookup[(tmp << 2) & 0x3F]
+ output += '='
+ }
+
+ parts.push(output)
+
+ return parts.join('')
+}
+
+},{}],3:[function(require,module,exports){
+
+},{}],4:[function(require,module,exports){
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license MIT
+ */
+/* eslint-disable no-proto */
+
+'use strict'
+
+var base64 = require('base64-js')
+var ieee754 = require('ieee754')
+
+exports.Buffer = Buffer
+exports.SlowBuffer = SlowBuffer
+exports.INSPECT_MAX_BYTES = 50
+
+var K_MAX_LENGTH = 0x7fffffff
+exports.kMaxLength = K_MAX_LENGTH
+
+/**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ * === true Use Uint8Array implementation (fastest)
+ * === false Print warning and recommend using `buffer` v4.x which has an Object
+ * implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * We report that the browser does not support typed arrays if the are not subclassable
+ * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
+ * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
+ * for __proto__ and has a buggy typed array implementation.
+ */
+Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()
+
+if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
+ typeof console.error === 'function') {
+ console.error(
+ 'This browser lacks typed array (Uint8Array) support which is required by ' +
+ '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
+ )
+}
+
+function typedArraySupport () {
+ // Can typed array instances can be augmented?
+ try {
+ var arr = new Uint8Array(1)
+ arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
+ return arr.foo() === 42
+ } catch (e) {
+ return false
+ }
+}
+
+function createBuffer (length) {
+ if (length > K_MAX_LENGTH) {
+ throw new RangeError('Invalid typed array length')
+ }
+ // Return an augmented `Uint8Array` instance
+ var buf = new Uint8Array(length)
+ buf.__proto__ = Buffer.prototype
+ return buf
+}
+
+/**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
+
+function Buffer (arg, encodingOrOffset, length) {
+ // Common case.
+ if (typeof arg === 'number') {
+ if (typeof encodingOrOffset === 'string') {
+ throw new Error(
+ 'If encoding is specified then the first argument must be a string'
+ )
+ }
+ return allocUnsafe(arg)
+ }
+ return from(arg, encodingOrOffset, length)
+}
+
+// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
+if (typeof Symbol !== 'undefined' && Symbol.species &&
+ Buffer[Symbol.species] === Buffer) {
+ Object.defineProperty(Buffer, Symbol.species, {
+ value: null,
+ configurable: true,
+ enumerable: false,
+ writable: false
+ })
+}
+
+Buffer.poolSize = 8192 // not used by this implementation
+
+function from (value, encodingOrOffset, length) {
+ if (typeof value === 'number') {
+ throw new TypeError('"value" argument must not be a number')
+ }
+
+ if (value instanceof ArrayBuffer) {
+ return fromArrayBuffer(value, encodingOrOffset, length)
+ }
+
+ if (typeof value === 'string') {
+ return fromString(value, encodingOrOffset)
+ }
+
+ return fromObject(value)
+}
+
+/**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+Buffer.from = function (value, encodingOrOffset, length) {
+ return from(value, encodingOrOffset, length)
+}
+
+// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
+// https://github.com/feross/buffer/pull/148
+Buffer.prototype.__proto__ = Uint8Array.prototype
+Buffer.__proto__ = Uint8Array
+
+function assertSize (size) {
+ if (typeof size !== 'number') {
+ throw new TypeError('"size" argument must be a number')
+ } else if (size < 0) {
+ throw new RangeError('"size" argument must not be negative')
+ }
+}
+
+function alloc (size, fill, encoding) {
+ assertSize(size)
+ if (size <= 0) {
+ return createBuffer(size)
+ }
+ if (fill !== undefined) {
+ // Only pay attention to encoding if it's a string. This
+ // prevents accidentally sending in a number that would
+ // be interpretted as a start offset.
+ return typeof encoding === 'string'
+ ? createBuffer(size).fill(fill, encoding)
+ : createBuffer(size).fill(fill)
+ }
+ return createBuffer(size)
+}
+
+/**
+ * Creates a new filled Buffer instance.
+ * alloc(size[, fill[, encoding]])
+ **/
+Buffer.alloc = function (size, fill, encoding) {
+ return alloc(size, fill, encoding)
+}
+
+function allocUnsafe (size) {
+ assertSize(size)
+ return createBuffer(size < 0 ? 0 : checked(size) | 0)
+}
+
+/**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
+Buffer.allocUnsafe = function (size) {
+ return allocUnsafe(size)
+}
+/**
+ * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+ */
+Buffer.allocUnsafeSlow = function (size) {
+ return allocUnsafe(size)
+}
+
+function fromString (string, encoding) {
+ if (typeof encoding !== 'string' || encoding === '') {
+ encoding = 'utf8'
+ }
+
+ if (!Buffer.isEncoding(encoding)) {
+ throw new TypeError('"encoding" must be a valid string encoding')
+ }
+
+ var length = byteLength(string, encoding) | 0
+ var buf = createBuffer(length)
+
+ var actual = buf.write(string, encoding)
+
+ if (actual !== length) {
+ // Writing a hex string, for example, that contains invalid characters will
+ // cause everything after the first invalid character to be ignored. (e.g.
+ // 'abxxcd' will be treated as 'ab')
+ buf = buf.slice(0, actual)
+ }
+
+ return buf
+}
+
+function fromArrayLike (array) {
+ var length = array.length < 0 ? 0 : checked(array.length) | 0
+ var buf = createBuffer(length)
+ for (var i = 0; i < length; i += 1) {
+ buf[i] = array[i] & 255
+ }
+ return buf
+}
+
+function fromArrayBuffer (array, byteOffset, length) {
+ if (byteOffset < 0 || array.byteLength < byteOffset) {
+ throw new RangeError('\'offset\' is out of bounds')
+ }
+
+ if (array.byteLength < byteOffset + (length || 0)) {
+ throw new RangeError('\'length\' is out of bounds')
+ }
+
+ var buf
+ if (byteOffset === undefined && length === undefined) {
+ buf = new Uint8Array(array)
+ } else if (length === undefined) {
+ buf = new Uint8Array(array, byteOffset)
+ } else {
+ buf = new Uint8Array(array, byteOffset, length)
+ }
+
+ // Return an augmented `Uint8Array` instance
+ buf.__proto__ = Buffer.prototype
+ return buf
+}
+
+function fromObject (obj) {
+ if (Buffer.isBuffer(obj)) {
+ var len = checked(obj.length) | 0
+ var buf = createBuffer(len)
+
+ if (buf.length === 0) {
+ return buf
+ }
+
+ obj.copy(buf, 0, 0, len)
+ return buf
+ }
+
+ if (obj) {
+ if (isArrayBufferView(obj) || 'length' in obj) {
+ if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
+ return createBuffer(0)
+ }
+ return fromArrayLike(obj)
+ }
+
+ if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
+ return fromArrayLike(obj.data)
+ }
+ }
+
+ throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
+}
+
+function checked (length) {
+ // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
+ // length is NaN (which is otherwise coerced to zero.)
+ if (length >= K_MAX_LENGTH) {
+ throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+ 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
+ }
+ return length | 0
+}
+
+function SlowBuffer (length) {
+ if (+length != length) { // eslint-disable-line eqeqeq
+ length = 0
+ }
+ return Buffer.alloc(+length)
+}
+
+Buffer.isBuffer = function isBuffer (b) {
+ return b != null && b._isBuffer === true
+}
+
+Buffer.compare = function compare (a, b) {
+ if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+ throw new TypeError('Arguments must be Buffers')
+ }
+
+ if (a === b) return 0
+
+ var x = a.length
+ var y = b.length
+
+ for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+ if (a[i] !== b[i]) {
+ x = a[i]
+ y = b[i]
+ break
+ }
+ }
+
+ if (x < y) return -1
+ if (y < x) return 1
+ return 0
+}
+
+Buffer.isEncoding = function isEncoding (encoding) {
+ switch (String(encoding).toLowerCase()) {
+ case 'hex':
+ case 'utf8':
+ case 'utf-8':
+ case 'ascii':
+ case 'latin1':
+ case 'binary':
+ case 'base64':
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return true
+ default:
+ return false
+ }
+}
+
+Buffer.concat = function concat (list, length) {
+ if (!Array.isArray(list)) {
+ throw new TypeError('"list" argument must be an Array of Buffers')
+ }
+
+ if (list.length === 0) {
+ return Buffer.alloc(0)
+ }
+
+ var i
+ if (length === undefined) {
+ length = 0
+ for (i = 0; i < list.length; ++i) {
+ length += list[i].length
+ }
+ }
+
+ var buffer = Buffer.allocUnsafe(length)
+ var pos = 0
+ for (i = 0; i < list.length; ++i) {
+ var buf = list[i]
+ if (!Buffer.isBuffer(buf)) {
+ throw new TypeError('"list" argument must be an Array of Buffers')
+ }
+ buf.copy(buffer, pos)
+ pos += buf.length
+ }
+ return buffer
+}
+
+function byteLength (string, encoding) {
+ if (Buffer.isBuffer(string)) {
+ return string.length
+ }
+ if (isArrayBufferView(string) || string instanceof ArrayBuffer) {
+ return string.byteLength
+ }
+ if (typeof string !== 'string') {
+ string = '' + string
+ }
+
+ var len = string.length
+ if (len === 0) return 0
+
+ // Use a for loop to avoid recursion
+ var loweredCase = false
+ for (;;) {
+ switch (encoding) {
+ case 'ascii':
+ case 'latin1':
+ case 'binary':
+ return len
+ case 'utf8':
+ case 'utf-8':
+ case undefined:
+ return utf8ToBytes(string).length
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return len * 2
+ case 'hex':
+ return len >>> 1
+ case 'base64':
+ return base64ToBytes(string).length
+ default:
+ if (loweredCase) return utf8ToBytes(string).length // assume utf8
+ encoding = ('' + encoding).toLowerCase()
+ loweredCase = true
+ }
+ }
+}
+Buffer.byteLength = byteLength
+
+function slowToString (encoding, start, end) {
+ var loweredCase = false
+
+ // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+ // property of a typed array.
+
+ // This behaves neither like String nor Uint8Array in that we set start/end
+ // to their upper/lower bounds if the value passed is out of range.
+ // undefined is handled specially as per ECMA-262 6th Edition,
+ // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+ if (start === undefined || start < 0) {
+ start = 0
+ }
+ // Return early if start > this.length. Done here to prevent potential uint32
+ // coercion fail below.
+ if (start > this.length) {
+ return ''
+ }
+
+ if (end === undefined || end > this.length) {
+ end = this.length
+ }
+
+ if (end <= 0) {
+ return ''
+ }
+
+ // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
+ end >>>= 0
+ start >>>= 0
+
+ if (end <= start) {
+ return ''
+ }
+
+ if (!encoding) encoding = 'utf8'
+
+ while (true) {
+ switch (encoding) {
+ case 'hex':
+ return hexSlice(this, start, end)
+
+ case 'utf8':
+ case 'utf-8':
+ return utf8Slice(this, start, end)
+
+ case 'ascii':
+ return asciiSlice(this, start, end)
+
+ case 'latin1':
+ case 'binary':
+ return latin1Slice(this, start, end)
+
+ case 'base64':
+ return base64Slice(this, start, end)
+
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return utf16leSlice(this, start, end)
+
+ default:
+ if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+ encoding = (encoding + '').toLowerCase()
+ loweredCase = true
+ }
+ }
+}
+
+// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
+// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
+// reliably in a browserify context because there could be multiple different
+// copies of the 'buffer' package in use. This method works even for Buffer
+// instances that were created from another copy of the `buffer` package.
+// See: https://github.com/feross/buffer/issues/154
+Buffer.prototype._isBuffer = true
+
+function swap (b, n, m) {
+ var i = b[n]
+ b[n] = b[m]
+ b[m] = i
+}
+
+Buffer.prototype.swap16 = function swap16 () {
+ var len = this.length
+ if (len % 2 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 16-bits')
+ }
+ for (var i = 0; i < len; i += 2) {
+ swap(this, i, i + 1)
+ }
+ return this
+}
+
+Buffer.prototype.swap32 = function swap32 () {
+ var len = this.length
+ if (len % 4 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 32-bits')
+ }
+ for (var i = 0; i < len; i += 4) {
+ swap(this, i, i + 3)
+ swap(this, i + 1, i + 2)
+ }
+ return this
+}
+
+Buffer.prototype.swap64 = function swap64 () {
+ var len = this.length
+ if (len % 8 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 64-bits')
+ }
+ for (var i = 0; i < len; i += 8) {
+ swap(this, i, i + 7)
+ swap(this, i + 1, i + 6)
+ swap(this, i + 2, i + 5)
+ swap(this, i + 3, i + 4)
+ }
+ return this
+}
+
+Buffer.prototype.toString = function toString () {
+ var length = this.length
+ if (length === 0) return ''
+ if (arguments.length === 0) return utf8Slice(this, 0, length)
+ return slowToString.apply(this, arguments)
+}
+
+Buffer.prototype.equals = function equals (b) {
+ if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+ if (this === b) return true
+ return Buffer.compare(this, b) === 0
+}
+
+Buffer.prototype.inspect = function inspect () {
+ var str = ''
+ var max = exports.INSPECT_MAX_BYTES
+ if (this.length > 0) {
+ str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
+ if (this.length > max) str += ' ... '
+ }
+ return '<Buffer ' + str + '>'
+}
+
+Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+ if (!Buffer.isBuffer(target)) {
+ throw new TypeError('Argument must be a Buffer')
+ }
+
+ if (start === undefined) {
+ start = 0
+ }
+ if (end === undefined) {
+ end = target ? target.length : 0
+ }
+ if (thisStart === undefined) {
+ thisStart = 0
+ }
+ if (thisEnd === undefined) {
+ thisEnd = this.length
+ }
+
+ if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+ throw new RangeError('out of range index')
+ }
+
+ if (thisStart >= thisEnd && start >= end) {
+ return 0
+ }
+ if (thisStart >= thisEnd) {
+ return -1
+ }
+ if (start >= end) {
+ return 1
+ }
+
+ start >>>= 0
+ end >>>= 0
+ thisStart >>>= 0
+ thisEnd >>>= 0
+
+ if (this === target) return 0
+
+ var x = thisEnd - thisStart
+ var y = end - start
+ var len = Math.min(x, y)
+
+ var thisCopy = this.slice(thisStart, thisEnd)
+ var targetCopy = target.slice(start, end)
+
+ for (var i = 0; i < len; ++i) {
+ if (thisCopy[i] !== targetCopy[i]) {
+ x = thisCopy[i]
+ y = targetCopy[i]
+ break
+ }
+ }
+
+ if (x < y) return -1
+ if (y < x) return 1
+ return 0
+}
+
+// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+//
+// Arguments:
+// - buffer - a Buffer to search
+// - val - a string, Buffer, or number
+// - byteOffset - an index into `buffer`; will be clamped to an int32
+// - encoding - an optional encoding, relevant is val is a string
+// - dir - true for indexOf, false for lastIndexOf
+function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+ // Empty buffer means no match
+ if (buffer.length === 0) return -1
+
+ // Normalize byteOffset
+ if (typeof byteOffset === 'string') {
+ encoding = byteOffset
+ byteOffset = 0
+ } else if (byteOffset > 0x7fffffff) {
+ byteOffset = 0x7fffffff
+ } else if (byteOffset < -0x80000000) {
+ byteOffset = -0x80000000
+ }
+ byteOffset = +byteOffset // Coerce to Number.
+ if (numberIsNaN(byteOffset)) {
+ // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+ byteOffset = dir ? 0 : (buffer.length - 1)
+ }
+
+ // Normalize byteOffset: negative offsets start from the end of the buffer
+ if (byteOffset < 0) byteOffset = buffer.length + byteOffset
+ if (byteOffset >= buffer.length) {
+ if (dir) return -1
+ else byteOffset = buffer.length - 1
+ } else if (byteOffset < 0) {
+ if (dir) byteOffset = 0
+ else return -1
+ }
+
+ // Normalize val
+ if (typeof val === 'string') {
+ val = Buffer.from(val, encoding)
+ }
+
+ // Finally, search either indexOf (if dir is true) or lastIndexOf
+ if (Buffer.isBuffer(val)) {
+ // Special case: looking for empty string/buffer always fails
+ if (val.length === 0) {
+ return -1
+ }
+ return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
+ } else if (typeof val === 'number') {
+ val = val & 0xFF // Search for a byte value [0-255]
+ if (typeof Uint8Array.prototype.indexOf === 'function') {
+ if (dir) {
+ return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+ } else {
+ return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+ }
+ }
+ return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
+ }
+
+ throw new TypeError('val must be string, number or Buffer')
+}
+
+function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
+ var indexSize = 1
+ var arrLength = arr.length
+ var valLength = val.length
+
+ if (encoding !== undefined) {
+ encoding = String(encoding).toLowerCase()
+ if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+ encoding === 'utf16le' || encoding === 'utf-16le') {
+ if (arr.length < 2 || val.length < 2) {
+ return -1
+ }
+ indexSize = 2
+ arrLength /= 2
+ valLength /= 2
+ byteOffset /= 2
+ }
+ }
+
+ function read (buf, i) {
+ if (indexSize === 1) {
+ return buf[i]
+ } else {
+ return buf.readUInt16BE(i * indexSize)
+ }
+ }
+
+ var i
+ if (dir) {
+ var foundIndex = -1
+ for (i = byteOffset; i < arrLength; i++) {
+ if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+ if (foundIndex === -1) foundIndex = i
+ if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+ } else {
+ if (foundIndex !== -1) i -= i - foundIndex
+ foundIndex = -1
+ }
+ }
+ } else {
+ if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
+ for (i = byteOffset; i >= 0; i--) {
+ var found = true
+ for (var j = 0; j < valLength; j++) {
+ if (read(arr, i + j) !== read(val, j)) {
+ found = false
+ break
+ }
+ }
+ if (found) return i
+ }
+ }
+
+ return -1
+}
+
+Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
+ return this.indexOf(val, byteOffset, encoding) !== -1
+}
+
+Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+ return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
+}
+
+Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+ return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
+}
+
+function hexWrite (buf, string, offset, length) {
+ offset = Number(offset) || 0
+ var remaining = buf.length - offset
+ if (!length) {
+ length = remaining
+ } else {
+ length = Number(length)
+ if (length > remaining) {
+ length = remaining
+ }
+ }
+
+ // must be an even number of digits
+ var strLen = string.length
+ if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
+
+ if (length > strLen / 2) {
+ length = strLen / 2
+ }
+ for (var i = 0; i < length; ++i) {
+ var parsed = parseInt(string.substr(i * 2, 2), 16)
+ if (numberIsNaN(parsed)) return i
+ buf[offset + i] = parsed
+ }
+ return i
+}
+
+function utf8Write (buf, string, offset, length) {
+ return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+function asciiWrite (buf, string, offset, length) {
+ return blitBuffer(asciiToBytes(string), buf, offset, length)
+}
+
+function latin1Write (buf, string, offset, length) {
+ return asciiWrite(buf, string, offset, length)
+}
+
+function base64Write (buf, string, offset, length) {
+ return blitBuffer(base64ToBytes(string), buf, offset, length)
+}
+
+function ucs2Write (buf, string, offset, length) {
+ return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+Buffer.prototype.write = function write (string, offset, length, encoding) {
+ // Buffer#write(string)
+ if (offset === undefined) {
+ encoding = 'utf8'
+ length = this.length
+ offset = 0
+ // Buffer#write(string, encoding)
+ } else if (length === undefined && typeof offset === 'string') {
+ encoding = offset
+ length = this.length
+ offset = 0
+ // Buffer#write(string, offset[, length][, encoding])
+ } else if (isFinite(offset)) {
+ offset = offset >>> 0
+ if (isFinite(length)) {
+ length = length >>> 0
+ if (encoding === undefined) encoding = 'utf8'
+ } else {
+ encoding = length
+ length = undefined
+ }
+ } else {
+ throw new Error(
+ 'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+ )
+ }
+
+ var remaining = this.length - offset
+ if (length === undefined || length > remaining) length = remaining
+
+ if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+ throw new RangeError('Attempt to write outside buffer bounds')
+ }
+
+ if (!encoding) encoding = 'utf8'
+
+ var loweredCase = false
+ for (;;) {
+ switch (encoding) {
+ case 'hex':
+ return hexWrite(this, string, offset, length)
+
+ case 'utf8':
+ case 'utf-8':
+ return utf8Write(this, string, offset, length)
+
+ case 'ascii':
+ return asciiWrite(this, string, offset, length)
+
+ case 'latin1':
+ case 'binary':
+ return latin1Write(this, string, offset, length)
+
+ case 'base64':
+ // Warning: maxLength not taken into account in base64Write
+ return base64Write(this, string, offset, length)
+
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return ucs2Write(this, string, offset, length)
+
+ default:
+ if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+ encoding = ('' + encoding).toLowerCase()
+ loweredCase = true
+ }
+ }
+}
+
+Buffer.prototype.toJSON = function toJSON () {
+ return {
+ type: 'Buffer',
+ data: Array.prototype.slice.call(this._arr || this, 0)
+ }
+}
+
+function base64Slice (buf, start, end) {
+ if (start === 0 && end === buf.length) {
+ return base64.fromByteArray(buf)
+ } else {
+ return base64.fromByteArray(buf.slice(start, end))
+ }
+}
+
+function utf8Slice (buf, start, end) {
+ end = Math.min(buf.length, end)
+ var res = []
+
+ var i = start
+ while (i < end) {
+ var firstByte = buf[i]
+ var codePoint = null
+ var bytesPerSequence = (firstByte > 0xEF) ? 4
+ : (firstByte > 0xDF) ? 3
+ : (firstByte > 0xBF) ? 2
+ : 1
+
+ if (i + bytesPerSequence <= end) {
+ var secondByte, thirdByte, fourthByte, tempCodePoint
+
+ switch (bytesPerSequence) {
+ case 1:
+ if (firstByte < 0x80) {
+ codePoint = firstByte
+ }
+ break
+ case 2:
+ secondByte = buf[i + 1]
+ if ((secondByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
+ if (tempCodePoint > 0x7F) {
+ codePoint = tempCodePoint
+ }
+ }
+ break
+ case 3:
+ secondByte = buf[i + 1]
+ thirdByte = buf[i + 2]
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
+ if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+ codePoint = tempCodePoint
+ }
+ }
+ break
+ case 4:
+ secondByte = buf[i + 1]
+ thirdByte = buf[i + 2]
+ fourthByte = buf[i + 3]
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
+ if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+ codePoint = tempCodePoint
+ }
+ }
+ }
+ }
+
+ if (codePoint === null) {
+ // we did not generate a valid codePoint so insert a
+ // replacement char (U+FFFD) and advance only 1 byte
+ codePoint = 0xFFFD
+ bytesPerSequence = 1
+ } else if (codePoint > 0xFFFF) {
+ // encode to utf16 (surrogate pair dance)
+ codePoint -= 0x10000
+ res.push(codePoint >>> 10 & 0x3FF | 0xD800)
+ codePoint = 0xDC00 | codePoint & 0x3FF
+ }
+
+ res.push(codePoint)
+ i += bytesPerSequence
+ }
+
+ return decodeCodePointsArray(res)
+}
+
+// Based on http://stackoverflow.com/a/22747272/680742, the browser with
+// the lowest limit is Chrome, with 0x10000 args.
+// We go 1 magnitude less, for safety
+var MAX_ARGUMENTS_LENGTH = 0x1000
+
+function decodeCodePointsArray (codePoints) {
+ var len = codePoints.length
+ if (len <= MAX_ARGUMENTS_LENGTH) {
+ return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+ }
+
+ // Decode in chunks to avoid "call stack size exceeded".
+ var res = ''
+ var i = 0
+ while (i < len) {
+ res += String.fromCharCode.apply(
+ String,
+ codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
+ )
+ }
+ return res
+}
+
+function asciiSlice (buf, start, end) {
+ var ret = ''
+ end = Math.min(buf.length, end)
+
+ for (var i = start; i < end; ++i) {
+ ret += String.fromCharCode(buf[i] & 0x7F)
+ }
+ return ret
+}
+
+function latin1Slice (buf, start, end) {
+ var ret = ''
+ end = Math.min(buf.length, end)
+
+ for (var i = start; i < end; ++i) {
+ ret += String.fromCharCode(buf[i])
+ }
+ return ret
+}
+
+function hexSlice (buf, start, end) {
+ var len = buf.length
+
+ if (!start || start < 0) start = 0
+ if (!end || end < 0 || end > len) end = len
+
+ var out = ''
+ for (var i = start; i < end; ++i) {
+ out += toHex(buf[i])
+ }
+ return out
+}
+
+function utf16leSlice (buf, start, end) {
+ var bytes = buf.slice(start, end)
+ var res = ''
+ for (var i = 0; i < bytes.length; i += 2) {
+ res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
+ }
+ return res
+}
+
+Buffer.prototype.slice = function slice (start, end) {
+ var len = this.length
+ start = ~~start
+ end = end === undefined ? len : ~~end
+
+ if (start < 0) {
+ start += len
+ if (start < 0) start = 0
+ } else if (start > len) {
+ start = len
+ }
+
+ if (end < 0) {
+ end += len
+ if (end < 0) end = 0
+ } else if (end > len) {
+ end = len
+ }
+
+ if (end < start) end = start
+
+ var newBuf = this.subarray(start, end)
+ // Return an augmented `Uint8Array` instance
+ newBuf.__proto__ = Buffer.prototype
+ return newBuf
+}
+
+/*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+function checkOffset (offset, ext, length) {
+ if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+ if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+}
+
+Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+ var val = this[offset]
+ var mul = 1
+ var i = 0
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul
+ }
+
+ return val
+}
+
+Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) {
+ checkOffset(offset, byteLength, this.length)
+ }
+
+ var val = this[offset + --byteLength]
+ var mul = 1
+ while (byteLength > 0 && (mul *= 0x100)) {
+ val += this[offset + --byteLength] * mul
+ }
+
+ return val
+}
+
+Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 1, this.length)
+ return this[offset]
+}
+
+Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ return this[offset] | (this[offset + 1] << 8)
+}
+
+Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ return (this[offset] << 8) | this[offset + 1]
+}
+
+Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
+
+ return ((this[offset]) |
+ (this[offset + 1] << 8) |
+ (this[offset + 2] << 16)) +
+ (this[offset + 3] * 0x1000000)
+}
+
+Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
+
+ return (this[offset] * 0x1000000) +
+ ((this[offset + 1] << 16) |
+ (this[offset + 2] << 8) |
+ this[offset + 3])
+}
+
+Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+ var val = this[offset]
+ var mul = 1
+ var i = 0
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul
+ }
+ mul *= 0x80
+
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+ return val
+}
+
+Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+ var i = byteLength
+ var mul = 1
+ var val = this[offset + --i]
+ while (i > 0 && (mul *= 0x100)) {
+ val += this[offset + --i] * mul
+ }
+ mul *= 0x80
+
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+ return val
+}
+
+Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 1, this.length)
+ if (!(this[offset] & 0x80)) return (this[offset])
+ return ((0xff - this[offset] + 1) * -1)
+}
+
+Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ var val = this[offset] | (this[offset + 1] << 8)
+ return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ var val = this[offset + 1] | (this[offset] << 8)
+ return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
+
+ return (this[offset]) |
+ (this[offset + 1] << 8) |
+ (this[offset + 2] << 16) |
+ (this[offset + 3] << 24)
+}
+
+Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
+
+ return (this[offset] << 24) |
+ (this[offset + 1] << 16) |
+ (this[offset + 2] << 8) |
+ (this[offset + 3])
+}
+
+Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
+ return ieee754.read(this, offset, true, 23, 4)
+}
+
+Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 4, this.length)
+ return ieee754.read(this, offset, false, 23, 4)
+}
+
+Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 8, this.length)
+ return ieee754.read(this, offset, true, 52, 8)
+}
+
+Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+ offset = offset >>> 0
+ if (!noAssert) checkOffset(offset, 8, this.length)
+ return ieee754.read(this, offset, false, 52, 8)
+}
+
+function checkInt (buf, value, offset, ext, max, min) {
+ if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+ if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+ if (offset + ext > buf.length) throw new RangeError('Index out of range')
+}
+
+Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) {
+ var maxBytes = Math.pow(2, 8 * byteLength) - 1
+ checkInt(this, value, offset, byteLength, maxBytes, 0)
+ }
+
+ var mul = 1
+ var i = 0
+ this[offset] = value & 0xFF
+ while (++i < byteLength && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF
+ }
+
+ return offset + byteLength
+}
+
+Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ byteLength = byteLength >>> 0
+ if (!noAssert) {
+ var maxBytes = Math.pow(2, 8 * byteLength) - 1
+ checkInt(this, value, offset, byteLength, maxBytes, 0)
+ }
+
+ var i = byteLength - 1
+ var mul = 1
+ this[offset + i] = value & 0xFF
+ while (--i >= 0 && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF
+ }
+
+ return offset + byteLength
+}
+
+Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
+ this[offset] = (value & 0xff)
+ return offset + 1
+}
+
+Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+ this[offset] = (value & 0xff)
+ this[offset + 1] = (value >>> 8)
+ return offset + 2
+}
+
+Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+ this[offset] = (value >>> 8)
+ this[offset + 1] = (value & 0xff)
+ return offset + 2
+}
+
+Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+ this[offset + 3] = (value >>> 24)
+ this[offset + 2] = (value >>> 16)
+ this[offset + 1] = (value >>> 8)
+ this[offset] = (value & 0xff)
+ return offset + 4
+}
+
+Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+ this[offset] = (value >>> 24)
+ this[offset + 1] = (value >>> 16)
+ this[offset + 2] = (value >>> 8)
+ this[offset + 3] = (value & 0xff)
+ return offset + 4
+}
+
+Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) {
+ var limit = Math.pow(2, (8 * byteLength) - 1)
+
+ checkInt(this, value, offset, byteLength, limit - 1, -limit)
+ }
+
+ var i = 0
+ var mul = 1
+ var sub = 0
+ this[offset] = value & 0xFF
+ while (++i < byteLength && (mul *= 0x100)) {
+ if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+ sub = 1
+ }
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+ }
+
+ return offset + byteLength
+}
+
+Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) {
+ var limit = Math.pow(2, (8 * byteLength) - 1)
+
+ checkInt(this, value, offset, byteLength, limit - 1, -limit)
+ }
+
+ var i = byteLength - 1
+ var mul = 1
+ var sub = 0
+ this[offset + i] = value & 0xFF
+ while (--i >= 0 && (mul *= 0x100)) {
+ if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+ sub = 1
+ }
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+ }
+
+ return offset + byteLength
+}
+
+Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
+ if (value < 0) value = 0xff + value + 1
+ this[offset] = (value & 0xff)
+ return offset + 1
+}
+
+Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+ this[offset] = (value & 0xff)
+ this[offset + 1] = (value >>> 8)
+ return offset + 2
+}
+
+Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+ this[offset] = (value >>> 8)
+ this[offset + 1] = (value & 0xff)
+ return offset + 2
+}
+
+Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+ this[offset] = (value & 0xff)
+ this[offset + 1] = (value >>> 8)
+ this[offset + 2] = (value >>> 16)
+ this[offset + 3] = (value >>> 24)
+ return offset + 4
+}
+
+Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+ if (value < 0) value = 0xffffffff + value + 1
+ this[offset] = (value >>> 24)
+ this[offset + 1] = (value >>> 16)
+ this[offset + 2] = (value >>> 8)
+ this[offset + 3] = (value & 0xff)
+ return offset + 4
+}
+
+function checkIEEE754 (buf, value, offset, ext, max, min) {
+ if (offset + ext > buf.length) throw new RangeError('Index out of range')
+ if (offset < 0) throw new RangeError('Index out of range')
+}
+
+function writeFloat (buf, value, offset, littleEndian, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) {
+ checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
+ }
+ ieee754.write(buf, value, offset, littleEndian, 23, 4)
+ return offset + 4
+}
+
+Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+ return writeFloat(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+ return writeFloat(this, value, offset, false, noAssert)
+}
+
+function writeDouble (buf, value, offset, littleEndian, noAssert) {
+ value = +value
+ offset = offset >>> 0
+ if (!noAssert) {
+ checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
+ }
+ ieee754.write(buf, value, offset, littleEndian, 52, 8)
+ return offset + 8
+}
+
+Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+ return writeDouble(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+ return writeDouble(this, value, offset, false, noAssert)
+}
+
+// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+Buffer.prototype.copy = function copy (target, targetStart, start, end) {
+ if (!start) start = 0
+ if (!end && end !== 0) end = this.length
+ if (targetStart >= target.length) targetStart = target.length
+ if (!targetStart) targetStart = 0
+ if (end > 0 && end < start) end = start
+
+ // Copy 0 bytes; we're done
+ if (end === start) return 0
+ if (target.length === 0 || this.length === 0) return 0
+
+ // Fatal error conditions
+ if (targetStart < 0) {
+ throw new RangeError('targetStart out of bounds')
+ }
+ if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
+ if (end < 0) throw new RangeError('sourceEnd out of bounds')
+
+ // Are we oob?
+ if (end > this.length) end = this.length
+ if (target.length - targetStart < end - start) {
+ end = target.length - targetStart + start
+ }
+
+ var len = end - start
+ var i
+
+ if (this === target && start < targetStart && targetStart < end) {
+ // descending copy from end
+ for (i = len - 1; i >= 0; --i) {
+ target[i + targetStart] = this[i + start]
+ }
+ } else if (len < 1000) {
+ // ascending copy from start
+ for (i = 0; i < len; ++i) {
+ target[i + targetStart] = this[i + start]
+ }
+ } else {
+ Uint8Array.prototype.set.call(
+ target,
+ this.subarray(start, start + len),
+ targetStart
+ )
+ }
+
+ return len
+}
+
+// Usage:
+// buffer.fill(number[, offset[, end]])
+// buffer.fill(buffer[, offset[, end]])
+// buffer.fill(string[, offset[, end]][, encoding])
+Buffer.prototype.fill = function fill (val, start, end, encoding) {
+ // Handle string cases:
+ if (typeof val === 'string') {
+ if (typeof start === 'string') {
+ encoding = start
+ start = 0
+ end = this.length
+ } else if (typeof end === 'string') {
+ encoding = end
+ end = this.length
+ }
+ if (val.length === 1) {
+ var code = val.charCodeAt(0)
+ if (code < 256) {
+ val = code
+ }
+ }
+ if (encoding !== undefined && typeof encoding !== 'string') {
+ throw new TypeError('encoding must be a string')
+ }
+ if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+ throw new TypeError('Unknown encoding: ' + encoding)
+ }
+ } else if (typeof val === 'number') {
+ val = val & 255
+ }
+
+ // Invalid ranges are not set to a default, so can range check early.
+ if (start < 0 || this.length < start || this.length < end) {
+ throw new RangeError('Out of range index')
+ }
+
+ if (end <= start) {
+ return this
+ }
+
+ start = start >>> 0
+ end = end === undefined ? this.length : end >>> 0
+
+ if (!val) val = 0
+
+ var i
+ if (typeof val === 'number') {
+ for (i = start; i < end; ++i) {
+ this[i] = val
+ }
+ } else {
+ var bytes = Buffer.isBuffer(val)
+ ? val
+ : new Buffer(val, encoding)
+ var len = bytes.length
+ for (i = 0; i < end - start; ++i) {
+ this[i + start] = bytes[i % len]
+ }
+ }
+
+ return this
+}
+
+// HELPER FUNCTIONS
+// ================
+
+var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g
+
+function base64clean (str) {
+ // Node strips out invalid characters like \n and \t from the string, base64-js does not
+ str = str.trim().replace(INVALID_BASE64_RE, '')
+ // Node converts strings with length < 2 to ''
+ if (str.length < 2) return ''
+ // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+ while (str.length % 4 !== 0) {
+ str = str + '='
+ }
+ return str
+}
+
+function toHex (n) {
+ if (n < 16) return '0' + n.toString(16)
+ return n.toString(16)
+}
+
+function utf8ToBytes (string, units) {
+ units = units || Infinity
+ var codePoint
+ var length = string.length
+ var leadSurrogate = null
+ var bytes = []
+
+ for (var i = 0; i < length; ++i) {
+ codePoint = string.charCodeAt(i)
+
+ // is surrogate component
+ if (codePoint > 0xD7FF && codePoint < 0xE000) {
+ // last char was a lead
+ if (!leadSurrogate) {
+ // no lead yet
+ if (codePoint > 0xDBFF) {
+ // unexpected trail
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ continue
+ } else if (i + 1 === length) {
+ // unpaired lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ continue
+ }
+
+ // valid lead
+ leadSurrogate = codePoint
+
+ continue
+ }
+
+ // 2 leads in a row
+ if (codePoint < 0xDC00) {
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ leadSurrogate = codePoint
+ continue
+ }
+
+ // valid surrogate pair
+ codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
+ } else if (leadSurrogate) {
+ // valid bmp char, but last char was a lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ }
+
+ leadSurrogate = null
+
+ // encode utf8
+ if (codePoint < 0x80) {
+ if ((units -= 1) < 0) break
+ bytes.push(codePoint)
+ } else if (codePoint < 0x800) {
+ if ((units -= 2) < 0) break
+ bytes.push(
+ codePoint >> 0x6 | 0xC0,
+ codePoint & 0x3F | 0x80
+ )
+ } else if (codePoint < 0x10000) {
+ if ((units -= 3) < 0) break
+ bytes.push(
+ codePoint >> 0xC | 0xE0,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ )
+ } else if (codePoint < 0x110000) {
+ if ((units -= 4) < 0) break
+ bytes.push(
+ codePoint >> 0x12 | 0xF0,
+ codePoint >> 0xC & 0x3F | 0x80,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ )
+ } else {
+ throw new Error('Invalid code point')
+ }
+ }
+
+ return bytes
+}
+
+function asciiToBytes (str) {
+ var byteArray = []
+ for (var i = 0; i < str.length; ++i) {
+ // Node's code seems to be doing this and not & 0x7F..
+ byteArray.push(str.charCodeAt(i) & 0xFF)
+ }
+ return byteArray
+}
+
+function utf16leToBytes (str, units) {
+ var c, hi, lo
+ var byteArray = []
+ for (var i = 0; i < str.length; ++i) {
+ if ((units -= 2) < 0) break
+
+ c = str.charCodeAt(i)
+ hi = c >> 8
+ lo = c % 256
+ byteArray.push(lo)
+ byteArray.push(hi)
+ }
+
+ return byteArray
+}
+
+function base64ToBytes (str) {
+ return base64.toByteArray(base64clean(str))
+}
+
+function blitBuffer (src, dst, offset, length) {
+ for (var i = 0; i < length; ++i) {
+ if ((i + offset >= dst.length) || (i >= src.length)) break
+ dst[i + offset] = src[i]
+ }
+ return i
+}
+
+// Node 0.10 supports `ArrayBuffer` but lacks `ArrayBuffer.isView`
+function isArrayBufferView (obj) {
+ return (typeof ArrayBuffer.isView === 'function') && ArrayBuffer.isView(obj)
+}
+
+function numberIsNaN (obj) {
+ return obj !== obj // eslint-disable-line no-self-compare
+}
+
+},{"base64-js":2,"ieee754":7}],5:[function(require,module,exports){
+(function (Buffer){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// NOTE: These type checking functions intentionally don't use `instanceof`
+// because it is fragile and can be easily faked with `Object.create()`.
+
+function isArray(arg) {
+ if (Array.isArray) {
+ return Array.isArray(arg);
+ }
+ return objectToString(arg) === '[object Array]';
+}
+exports.isArray = isArray;
+
+function isBoolean(arg) {
+ return typeof arg === 'boolean';
+}
+exports.isBoolean = isBoolean;
+
+function isNull(arg) {
+ return arg === null;
+}
+exports.isNull = isNull;
+
+function isNullOrUndefined(arg) {
+ return arg == null;
+}
+exports.isNullOrUndefined = isNullOrUndefined;
+
+function isNumber(arg) {
+ return typeof arg === 'number';
+}
+exports.isNumber = isNumber;
+
+function isString(arg) {
+ return typeof arg === 'string';
+}
+exports.isString = isString;
+
+function isSymbol(arg) {
+ return typeof arg === 'symbol';
+}
+exports.isSymbol = isSymbol;
+
+function isUndefined(arg) {
+ return arg === void 0;
+}
+exports.isUndefined = isUndefined;
+
+function isRegExp(re) {
+ return objectToString(re) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
+
+function isObject(arg) {
+ return typeof arg === 'object' && arg !== null;
+}
+exports.isObject = isObject;
+
+function isDate(d) {
+ return objectToString(d) === '[object Date]';
+}
+exports.isDate = isDate;
+
+function isError(e) {
+ return (objectToString(e) === '[object Error]' || e instanceof Error);
+}
+exports.isError = isError;
+
+function isFunction(arg) {
+ return typeof arg === 'function';
+}
+exports.isFunction = isFunction;
+
+function isPrimitive(arg) {
+ return arg === null ||
+ typeof arg === 'boolean' ||
+ typeof arg === 'number' ||
+ typeof arg === 'string' ||
+ typeof arg === 'symbol' || // ES6 symbol
+ typeof arg === 'undefined';
+}
+exports.isPrimitive = isPrimitive;
+
+exports.isBuffer = Buffer.isBuffer;
+
+function objectToString(o) {
+ return Object.prototype.toString.call(o);
+}
+
+}).call(this,{"isBuffer":require("../../is-buffer/index.js")})
+},{"../../is-buffer/index.js":9}],6:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+function EventEmitter() {
+ this._events = this._events || {};
+ this._maxListeners = this._maxListeners || undefined;
+}
+module.exports = EventEmitter;
+
+// Backwards-compat with node 0.10.x
+EventEmitter.EventEmitter = EventEmitter;
+
+EventEmitter.prototype._events = undefined;
+EventEmitter.prototype._maxListeners = undefined;
+
+// By default EventEmitters will print a warning if more than 10 listeners are
+// added to it. This is a useful default which helps finding memory leaks.
+EventEmitter.defaultMaxListeners = 10;
+
+// Obviously not all Emitters should be limited to 10. This function allows
+// that to be increased. Set to zero for unlimited.
+EventEmitter.prototype.setMaxListeners = function(n) {
+ if (!isNumber(n) || n < 0 || isNaN(n))
+ throw TypeError('n must be a positive number');
+ this._maxListeners = n;
+ return this;
+};
+
+EventEmitter.prototype.emit = function(type) {
+ var er, handler, len, args, i, listeners;
+
+ if (!this._events)
+ this._events = {};
+
+ // If there is no 'error' event listener then throw.
+ if (type === 'error') {
+ if (!this._events.error ||
+ (isObject(this._events.error) && !this._events.error.length)) {
+ er = arguments[1];
+ if (er instanceof Error) {
+ throw er; // Unhandled 'error' event
+ } else {
+ // At least give some kind of context to the user
+ var err = new Error('Uncaught, unspecified "error" event. (' + er + ')');
+ err.context = er;
+ throw err;
+ }
+ }
+ }
+
+ handler = this._events[type];
+
+ if (isUndefined(handler))
+ return false;
+
+ if (isFunction(handler)) {
+ switch (arguments.length) {
+ // fast cases
+ case 1:
+ handler.call(this);
+ break;
+ case 2:
+ handler.call(this, arguments[1]);
+ break;
+ case 3:
+ handler.call(this, arguments[1], arguments[2]);
+ break;
+ // slower
+ default:
+ args = Array.prototype.slice.call(arguments, 1);
+ handler.apply(this, args);
+ }
+ } else if (isObject(handler)) {
+ args = Array.prototype.slice.call(arguments, 1);
+ listeners = handler.slice();
+ len = listeners.length;
+ for (i = 0; i < len; i++)
+ listeners[i].apply(this, args);
+ }
+
+ return true;
+};
+
+EventEmitter.prototype.addListener = function(type, listener) {
+ var m;
+
+ if (!isFunction(listener))
+ throw TypeError('listener must be a function');
+
+ if (!this._events)
+ this._events = {};
+
+ // To avoid recursion in the case that type === "newListener"! Before
+ // adding it to the listeners, first emit "newListener".
+ if (this._events.newListener)
+ this.emit('newListener', type,
+ isFunction(listener.listener) ?
+ listener.listener : listener);
+
+ if (!this._events[type])
+ // Optimize the case of one listener. Don't need the extra array object.
+ this._events[type] = listener;
+ else if (isObject(this._events[type]))
+ // If we've already got an array, just append.
+ this._events[type].push(listener);
+ else
+ // Adding the second element, need to change to array.
+ this._events[type] = [this._events[type], listener];
+
+ // Check for listener leak
+ if (isObject(this._events[type]) && !this._events[type].warned) {
+ if (!isUndefined(this._maxListeners)) {
+ m = this._maxListeners;
+ } else {
+ m = EventEmitter.defaultMaxListeners;
+ }
+
+ if (m && m > 0 && this._events[type].length > m) {
+ this._events[type].warned = true;
+ console.error('(node) warning: possible EventEmitter memory ' +
+ 'leak detected. %d listeners added. ' +
+ 'Use emitter.setMaxListeners() to increase limit.',
+ this._events[type].length);
+ if (typeof console.trace === 'function') {
+ // not supported in IE 10
+ console.trace();
+ }
+ }
+ }
+
+ return this;
+};
+
+EventEmitter.prototype.on = EventEmitter.prototype.addListener;
+
+EventEmitter.prototype.once = function(type, listener) {
+ if (!isFunction(listener))
+ throw TypeError('listener must be a function');
+
+ var fired = false;
+
+ function g() {
+ this.removeListener(type, g);
+
+ if (!fired) {
+ fired = true;
+ listener.apply(this, arguments);
+ }
+ }
+
+ g.listener = listener;
+ this.on(type, g);
+
+ return this;
+};
+
+// emits a 'removeListener' event iff the listener was removed
+EventEmitter.prototype.removeListener = function(type, listener) {
+ var list, position, length, i;
+
+ if (!isFunction(listener))
+ throw TypeError('listener must be a function');
+
+ if (!this._events || !this._events[type])
+ return this;
+
+ list = this._events[type];
+ length = list.length;
+ position = -1;
+
+ if (list === listener ||
+ (isFunction(list.listener) && list.listener === listener)) {
+ delete this._events[type];
+ if (this._events.removeListener)
+ this.emit('removeListener', type, listener);
+
+ } else if (isObject(list)) {
+ for (i = length; i-- > 0;) {
+ if (list[i] === listener ||
+ (list[i].listener && list[i].listener === listener)) {
+ position = i;
+ break;
+ }
+ }
+
+ if (position < 0)
+ return this;
+
+ if (list.length === 1) {
+ list.length = 0;
+ delete this._events[type];
+ } else {
+ list.splice(position, 1);
+ }
+
+ if (this._events.removeListener)
+ this.emit('removeListener', type, listener);
+ }
+
+ return this;
+};
+
+EventEmitter.prototype.removeAllListeners = function(type) {
+ var key, listeners;
+
+ if (!this._events)
+ return this;
+
+ // not listening for removeListener, no need to emit
+ if (!this._events.removeListener) {
+ if (arguments.length === 0)
+ this._events = {};
+ else if (this._events[type])
+ delete this._events[type];
+ return this;
+ }
+
+ // emit removeListener for all listeners on all events
+ if (arguments.length === 0) {
+ for (key in this._events) {
+ if (key === 'removeListener') continue;
+ this.removeAllListeners(key);
+ }
+ this.removeAllListeners('removeListener');
+ this._events = {};
+ return this;
+ }
+
+ listeners = this._events[type];
+
+ if (isFunction(listeners)) {
+ this.removeListener(type, listeners);
+ } else if (listeners) {
+ // LIFO order
+ while (listeners.length)
+ this.removeListener(type, listeners[listeners.length - 1]);
+ }
+ delete this._events[type];
+
+ return this;
+};
+
+EventEmitter.prototype.listeners = function(type) {
+ var ret;
+ if (!this._events || !this._events[type])
+ ret = [];
+ else if (isFunction(this._events[type]))
+ ret = [this._events[type]];
+ else
+ ret = this._events[type].slice();
+ return ret;
+};
+
+EventEmitter.prototype.listenerCount = function(type) {
+ if (this._events) {
+ var evlistener = this._events[type];
+
+ if (isFunction(evlistener))
+ return 1;
+ else if (evlistener)
+ return evlistener.length;
+ }
+ return 0;
+};
+
+EventEmitter.listenerCount = function(emitter, type) {
+ return emitter.listenerCount(type);
+};
+
+function isFunction(arg) {
+ return typeof arg === 'function';
+}
+
+function isNumber(arg) {
+ return typeof arg === 'number';
+}
+
+function isObject(arg) {
+ return typeof arg === 'object' && arg !== null;
+}
+
+function isUndefined(arg) {
+ return arg === void 0;
+}
+
+},{}],7:[function(require,module,exports){
+exports.read = function (buffer, offset, isLE, mLen, nBytes) {
+ var e, m
+ var eLen = nBytes * 8 - mLen - 1
+ var eMax = (1 << eLen) - 1
+ var eBias = eMax >> 1
+ var nBits = -7
+ var i = isLE ? (nBytes - 1) : 0
+ var d = isLE ? -1 : 1
+ var s = buffer[offset + i]
+
+ i += d
+
+ e = s & ((1 << (-nBits)) - 1)
+ s >>= (-nBits)
+ nBits += eLen
+ for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+ m = e & ((1 << (-nBits)) - 1)
+ e >>= (-nBits)
+ nBits += mLen
+ for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+ if (e === 0) {
+ e = 1 - eBias
+ } else if (e === eMax) {
+ return m ? NaN : ((s ? -1 : 1) * Infinity)
+ } else {
+ m = m + Math.pow(2, mLen)
+ e = e - eBias
+ }
+ return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+}
+
+exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
+ var e, m, c
+ var eLen = nBytes * 8 - mLen - 1
+ var eMax = (1 << eLen) - 1
+ var eBias = eMax >> 1
+ var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
+ var i = isLE ? 0 : (nBytes - 1)
+ var d = isLE ? 1 : -1
+ var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
+
+ value = Math.abs(value)
+
+ if (isNaN(value) || value === Infinity) {
+ m = isNaN(value) ? 1 : 0
+ e = eMax
+ } else {
+ e = Math.floor(Math.log(value) / Math.LN2)
+ if (value * (c = Math.pow(2, -e)) < 1) {
+ e--
+ c *= 2
+ }
+ if (e + eBias >= 1) {
+ value += rt / c
+ } else {
+ value += rt * Math.pow(2, 1 - eBias)
+ }
+ if (value * c >= 2) {
+ e++
+ c /= 2
+ }
+
+ if (e + eBias >= eMax) {
+ m = 0
+ e = eMax
+ } else if (e + eBias >= 1) {
+ m = (value * c - 1) * Math.pow(2, mLen)
+ e = e + eBias
+ } else {
+ m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
+ e = 0
+ }
+ }
+
+ for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+ e = (e << mLen) | m
+ eLen += mLen
+ for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+ buffer[offset + i - d] |= s * 128
+}
+
+},{}],8:[function(require,module,exports){
+if (typeof Object.create === 'function') {
+ // implementation from standard node.js 'util' module
+ module.exports = function inherits(ctor, superCtor) {
+ ctor.super_ = superCtor
+ ctor.prototype = Object.create(superCtor.prototype, {
+ constructor: {
+ value: ctor,
+ enumerable: false,
+ writable: true,
+ configurable: true
+ }
+ });
+ };
+} else {
+ // old school shim for old browsers
+ module.exports = function inherits(ctor, superCtor) {
+ ctor.super_ = superCtor
+ var TempCtor = function () {}
+ TempCtor.prototype = superCtor.prototype
+ ctor.prototype = new TempCtor()
+ ctor.prototype.constructor = ctor
+ }
+}
+
+},{}],9:[function(require,module,exports){
+/*!
+ * Determine if an object is a Buffer
+ *
+ * @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license MIT
+ */
+
+// The _isBuffer check is for Safari 5-7 support, because it's missing
+// Object.prototype.constructor. Remove this eventually
+module.exports = function (obj) {
+ return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer)
+}
+
+function isBuffer (obj) {
+ return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
+}
+
+// For Node v0.10 support. Remove this eventually.
+function isSlowBuffer (obj) {
+ return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))
+}
+
+},{}],10:[function(require,module,exports){
+var toString = {}.toString;
+
+module.exports = Array.isArray || function (arr) {
+ return toString.call(arr) == '[object Array]';
+};
+
+},{}],11:[function(require,module,exports){
+(function (process){
+'use strict';
- var i = 0
- var len = Math.min(x, y)
- while (i < len) {
- if (a[i] !== b[i]) break
+if (!process.version ||
+ process.version.indexOf('v0.') === 0 ||
+ process.version.indexOf('v1.') === 0 && process.version.indexOf('v1.8.') !== 0) {
+ module.exports = nextTick;
+} else {
+ module.exports = process.nextTick;
+}
- ++i
+function nextTick(fn, arg1, arg2, arg3) {
+ if (typeof fn !== 'function') {
+ throw new TypeError('"callback" argument must be a function');
}
-
- if (i !== len) {
- x = a[i]
- y = b[i]
+ var len = arguments.length;
+ var args, i;
+ switch (len) {
+ case 0:
+ case 1:
+ return process.nextTick(fn);
+ case 2:
+ return process.nextTick(function afterTickOne() {
+ fn.call(null, arg1);
+ });
+ case 3:
+ return process.nextTick(function afterTickTwo() {
+ fn.call(null, arg1, arg2);
+ });
+ case 4:
+ return process.nextTick(function afterTickThree() {
+ fn.call(null, arg1, arg2, arg3);
+ });
+ default:
+ args = new Array(len - 1);
+ i = 0;
+ while (i < args.length) {
+ args[i++] = arguments[i];
+ }
+ return process.nextTick(function afterTick() {
+ fn.apply(null, args);
+ });
}
+}
- if (x < y) return -1
- if (y < x) return 1
- return 0
+}).call(this,require('_process'))
+},{"_process":12}],12:[function(require,module,exports){
+// shim for using process in browser
+var process = module.exports = {};
+
+// cached from whatever global is present so that test runners that stub it
+// don't break things. But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals. It's inside a
+// function because try/catches deoptimize in certain engines.
+
+var cachedSetTimeout;
+var cachedClearTimeout;
+
+function defaultSetTimout() {
+ throw new Error('setTimeout has not been defined');
+}
+function defaultClearTimeout () {
+ throw new Error('clearTimeout has not been defined');
}
+(function () {
+ try {
+ if (typeof setTimeout === 'function') {
+ cachedSetTimeout = setTimeout;
+ } else {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ } catch (e) {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ try {
+ if (typeof clearTimeout === 'function') {
+ cachedClearTimeout = clearTimeout;
+ } else {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+ } catch (e) {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+} ())
+function runTimeout(fun) {
+ if (cachedSetTimeout === setTimeout) {
+ //normal enviroments in sane situations
+ return setTimeout(fun, 0);
+ }
+ // if setTimeout wasn't available but was latter defined
+ if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+ cachedSetTimeout = setTimeout;
+ return setTimeout(fun, 0);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedSetTimeout(fun, 0);
+ } catch(e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedSetTimeout.call(null, fun, 0);
+ } catch(e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+ return cachedSetTimeout.call(this, fun, 0);
+ }
+ }
+
+
+}
+function runClearTimeout(marker) {
+ if (cachedClearTimeout === clearTimeout) {
+ //normal enviroments in sane situations
+ return clearTimeout(marker);
+ }
+ // if clearTimeout wasn't available but was latter defined
+ if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+ cachedClearTimeout = clearTimeout;
+ return clearTimeout(marker);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedClearTimeout(marker);
+ } catch (e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedClearTimeout.call(null, marker);
+ } catch (e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+ // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+ return cachedClearTimeout.call(this, marker);
+ }
+ }
+
+
-Buffer.isEncoding = function isEncoding (encoding) {
- switch (String(encoding).toLowerCase()) {
- case 'hex':
- case 'utf8':
- case 'utf-8':
- case 'ascii':
- case 'binary':
- case 'base64':
- case 'raw':
- case 'ucs2':
- case 'ucs-2':
- case 'utf16le':
- case 'utf-16le':
- return true
- default:
- return false
- }
}
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
-Buffer.concat = function concat (list, length) {
- if (!isArray(list)) throw new TypeError('list argument must be an Array of Buffers.')
+function cleanUpNextTick() {
+ if (!draining || !currentQueue) {
+ return;
+ }
+ draining = false;
+ if (currentQueue.length) {
+ queue = currentQueue.concat(queue);
+ } else {
+ queueIndex = -1;
+ }
+ if (queue.length) {
+ drainQueue();
+ }
+}
- if (list.length === 0) {
- return new Buffer(0)
- }
+function drainQueue() {
+ if (draining) {
+ return;
+ }
+ var timeout = runTimeout(cleanUpNextTick);
+ draining = true;
- var i
- if (length === undefined) {
- length = 0
- for (i = 0; i < list.length; i++) {
- length += list[i].length
+ var len = queue.length;
+ while(len) {
+ currentQueue = queue;
+ queue = [];
+ while (++queueIndex < len) {
+ if (currentQueue) {
+ currentQueue[queueIndex].run();
+ }
+ }
+ queueIndex = -1;
+ len = queue.length;
+ }
+ currentQueue = null;
+ draining = false;
+ runClearTimeout(timeout);
+}
+
+process.nextTick = function (fun) {
+ var args = new Array(arguments.length - 1);
+ if (arguments.length > 1) {
+ for (var i = 1; i < arguments.length; i++) {
+ args[i - 1] = arguments[i];
+ }
+ }
+ queue.push(new Item(fun, args));
+ if (queue.length === 1 && !draining) {
+ runTimeout(drainQueue);
+ }
+};
+
+// v8 likes predictible objects
+function Item(fun, array) {
+ this.fun = fun;
+ this.array = array;
+}
+Item.prototype.run = function () {
+ this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
+
+function noop() {}
+
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
+process.prependListener = noop;
+process.prependOnceListener = noop;
+
+process.listeners = function (name) { return [] }
+
+process.binding = function (name) {
+ throw new Error('process.binding is not supported');
+};
+
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+ throw new Error('process.chdir is not supported');
+};
+process.umask = function() { return 0; };
+
+},{}],13:[function(require,module,exports){
+module.exports = require('./lib/_stream_duplex.js');
+
+},{"./lib/_stream_duplex.js":14}],14:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a duplex stream is just a stream that is both readable and writable.
+// Since JS doesn't have multiple prototypal inheritance, this class
+// prototypally inherits from Readable, and then parasitically from
+// Writable.
+
+'use strict';
+
+/*<replacement>*/
+
+var processNextTick = require('process-nextick-args');
+/*</replacement>*/
+
+/*<replacement>*/
+var objectKeys = Object.keys || function (obj) {
+ var keys = [];
+ for (var key in obj) {
+ keys.push(key);
+ }return keys;
+};
+/*</replacement>*/
+
+module.exports = Duplex;
+
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
+
+var Readable = require('./_stream_readable');
+var Writable = require('./_stream_writable');
+
+util.inherits(Duplex, Readable);
+
+var keys = objectKeys(Writable.prototype);
+for (var v = 0; v < keys.length; v++) {
+ var method = keys[v];
+ if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
+}
+
+function Duplex(options) {
+ if (!(this instanceof Duplex)) return new Duplex(options);
+
+ Readable.call(this, options);
+ Writable.call(this, options);
+
+ if (options && options.readable === false) this.readable = false;
+
+ if (options && options.writable === false) this.writable = false;
+
+ this.allowHalfOpen = true;
+ if (options && options.allowHalfOpen === false) this.allowHalfOpen = false;
+
+ this.once('end', onend);
+}
+
+// the no-half-open enforcer
+function onend() {
+ // if we allow half-open state, or if the writable side ended,
+ // then we're ok.
+ if (this.allowHalfOpen || this._writableState.ended) return;
+
+ // no more data can be written.
+ // But allow more writes to happen in this tick.
+ processNextTick(onEndNT, this);
+}
+
+function onEndNT(self) {
+ self.end();
+}
+
+Object.defineProperty(Duplex.prototype, 'destroyed', {
+ get: function () {
+ if (this._readableState === undefined || this._writableState === undefined) {
+ return false;
+ }
+ return this._readableState.destroyed && this._writableState.destroyed;
+ },
+ set: function (value) {
+ // we ignore the value if the stream
+ // has not been initialized yet
+ if (this._readableState === undefined || this._writableState === undefined) {
+ return;
}
+
+ // backward compatibility, the user is explicitly
+ // managing destroyed
+ this._readableState.destroyed = value;
+ this._writableState.destroyed = value;
}
+});
- var buf = new Buffer(length)
- var pos = 0
- for (i = 0; i < list.length; i++) {
- var item = list[i]
- item.copy(buf, pos)
- pos += item.length
+Duplex.prototype._destroy = function (err, cb) {
+ this.push(null);
+ this.end();
+
+ processNextTick(cb, err);
+};
+
+function forEach(xs, f) {
+ for (var i = 0, l = xs.length; i < l; i++) {
+ f(xs[i], i);
}
- return buf
}
+},{"./_stream_readable":16,"./_stream_writable":18,"core-util-is":5,"inherits":8,"process-nextick-args":11}],15:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
-function byteLength (string, encoding) {
- if (typeof string !== 'string') string = '' + string
+// a passthrough stream.
+// basically just the most minimal sort of Transform stream.
+// Every written chunk gets output as-is.
- var len = string.length
- if (len === 0) return 0
+'use strict';
- // Use a for loop to avoid recursion
- var loweredCase = false
- for (;;) {
- switch (encoding) {
- case 'ascii':
- case 'binary':
- // Deprecated
- case 'raw':
- case 'raws':
- return len
- case 'utf8':
- case 'utf-8':
- return utf8ToBytes(string).length
- case 'ucs2':
- case 'ucs-2':
- case 'utf16le':
- case 'utf-16le':
- return len * 2
- case 'hex':
- return len >>> 1
- case 'base64':
- return base64ToBytes(string).length
- default:
- if (loweredCase) return utf8ToBytes(string).length // assume utf8
- encoding = ('' + encoding).toLowerCase()
- loweredCase = true
- }
+module.exports = PassThrough;
+
+var Transform = require('./_stream_transform');
+
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
+
+util.inherits(PassThrough, Transform);
+
+function PassThrough(options) {
+ if (!(this instanceof PassThrough)) return new PassThrough(options);
+
+ Transform.call(this, options);
+}
+
+PassThrough.prototype._transform = function (chunk, encoding, cb) {
+ cb(null, chunk);
+};
+},{"./_stream_transform":17,"core-util-is":5,"inherits":8}],16:[function(require,module,exports){
+(function (process,global){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+/*<replacement>*/
+
+var processNextTick = require('process-nextick-args');
+/*</replacement>*/
+
+module.exports = Readable;
+
+/*<replacement>*/
+var isArray = require('isarray');
+/*</replacement>*/
+
+/*<replacement>*/
+var Duplex;
+/*</replacement>*/
+
+Readable.ReadableState = ReadableState;
+
+/*<replacement>*/
+var EE = require('events').EventEmitter;
+
+var EElistenerCount = function (emitter, type) {
+ return emitter.listeners(type).length;
+};
+/*</replacement>*/
+
+/*<replacement>*/
+var Stream = require('./internal/streams/stream');
+/*</replacement>*/
+
+// TODO(bmeurer): Change this back to const once hole checks are
+// properly optimized away early in Ignition+TurboFan.
+/*<replacement>*/
+var Buffer = require('safe-buffer').Buffer;
+var OurUint8Array = global.Uint8Array || function () {};
+function _uint8ArrayToBuffer(chunk) {
+ return Buffer.from(chunk);
+}
+function _isUint8Array(obj) {
+ return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+/*</replacement>*/
+
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
+
+/*<replacement>*/
+var debugUtil = require('util');
+var debug = void 0;
+if (debugUtil && debugUtil.debuglog) {
+ debug = debugUtil.debuglog('stream');
+} else {
+ debug = function () {};
+}
+/*</replacement>*/
+
+var BufferList = require('./internal/streams/BufferList');
+var destroyImpl = require('./internal/streams/destroy');
+var StringDecoder;
+
+util.inherits(Readable, Stream);
+
+var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume'];
+
+function prependListener(emitter, event, fn) {
+ // Sadly this is not cacheable as some libraries bundle their own
+ // event emitter implementation with them.
+ if (typeof emitter.prependListener === 'function') {
+ return emitter.prependListener(event, fn);
+ } else {
+ // This is a hack to make sure that our error handler is attached before any
+ // userland ones. NEVER DO THIS. This is here only because this code needs
+ // to continue to work with older versions of Node.js that do not include
+ // the prependListener() method. The goal is to eventually remove this hack.
+ if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
}
}
-Buffer.byteLength = byteLength
-// pre-set for values that may exist in the future
-Buffer.prototype.length = undefined
-Buffer.prototype.parent = undefined
+function ReadableState(options, stream) {
+ Duplex = Duplex || require('./_stream_duplex');
-function slowToString (encoding, start, end) {
- var loweredCase = false
+ options = options || {};
- start = start | 0
- end = end === undefined || end === Infinity ? this.length : end | 0
+ // object stream flag. Used to make read(n) ignore n and to
+ // make all the buffer merging and length checks go away
+ this.objectMode = !!options.objectMode;
- if (!encoding) encoding = 'utf8'
- if (start < 0) start = 0
- if (end > this.length) end = this.length
- if (end <= start) return ''
+ if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.readableObjectMode;
- while (true) {
- switch (encoding) {
- case 'hex':
- return hexSlice(this, start, end)
+ // the point at which it stops calling _read() to fill the buffer
+ // Note: 0 is a valid value, means "don't call _read preemptively ever"
+ var hwm = options.highWaterMark;
+ var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+ this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm;
- case 'utf8':
- case 'utf-8':
- return utf8Slice(this, start, end)
+ // cast to ints.
+ this.highWaterMark = Math.floor(this.highWaterMark);
- case 'ascii':
- return asciiSlice(this, start, end)
+ // A linked list is used to store data chunks instead of an array because the
+ // linked list can remove elements from the beginning faster than
+ // array.shift()
+ this.buffer = new BufferList();
+ this.length = 0;
+ this.pipes = null;
+ this.pipesCount = 0;
+ this.flowing = null;
+ this.ended = false;
+ this.endEmitted = false;
+ this.reading = false;
- case 'binary':
- return binarySlice(this, start, end)
+ // a flag to be able to tell if the event 'readable'/'data' is emitted
+ // immediately, or on a later tick. We set this to true at first, because
+ // any actions that shouldn't happen until "later" should generally also
+ // not happen before the first read call.
+ this.sync = true;
- case 'base64':
- return base64Slice(this, start, end)
+ // whenever we return null, then we set a flag to say
+ // that we're awaiting a 'readable' event emission.
+ this.needReadable = false;
+ this.emittedReadable = false;
+ this.readableListening = false;
+ this.resumeScheduled = false;
- case 'ucs2':
- case 'ucs-2':
- case 'utf16le':
- case 'utf-16le':
- return utf16leSlice(this, start, end)
+ // has it been destroyed
+ this.destroyed = false;
- default:
- if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
- encoding = (encoding + '').toLowerCase()
- loweredCase = true
- }
- }
-}
+ // Crypto is kind of old and crusty. Historically, its default string
+ // encoding is 'binary' so we have to make this configurable.
+ // Everything else in the universe uses 'utf8', though.
+ this.defaultEncoding = options.defaultEncoding || 'utf8';
-Buffer.prototype.toString = function toString () {
- var length = this.length | 0
- if (length === 0) return ''
- if (arguments.length === 0) return utf8Slice(this, 0, length)
- return slowToString.apply(this, arguments)
-}
+ // the number of writers that are awaiting a drain event in .pipe()s
+ this.awaitDrain = 0;
-Buffer.prototype.equals = function equals (b) {
- if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
- if (this === b) return true
- return Buffer.compare(this, b) === 0
-}
+ // if true, a maybeReadMore has been scheduled
+ this.readingMore = false;
-Buffer.prototype.inspect = function inspect () {
- var str = ''
- var max = exports.INSPECT_MAX_BYTES
- if (this.length > 0) {
- str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
- if (this.length > max) str += ' ... '
+ this.decoder = null;
+ this.encoding = null;
+ if (options.encoding) {
+ if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+ this.decoder = new StringDecoder(options.encoding);
+ this.encoding = options.encoding;
}
- return '<Buffer ' + str + '>'
}
-Buffer.prototype.compare = function compare (b) {
- if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
- if (this === b) return 0
- return Buffer.compare(this, b)
-}
+function Readable(options) {
+ Duplex = Duplex || require('./_stream_duplex');
+
+ if (!(this instanceof Readable)) return new Readable(options);
-Buffer.prototype.indexOf = function indexOf (val, byteOffset) {
- if (byteOffset > 0x7fffffff) byteOffset = 0x7fffffff
- else if (byteOffset < -0x80000000) byteOffset = -0x80000000
- byteOffset >>= 0
+ this._readableState = new ReadableState(options, this);
- if (this.length === 0) return -1
- if (byteOffset >= this.length) return -1
+ // legacy
+ this.readable = true;
- // Negative offsets start from the end of the buffer
- if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0)
+ if (options) {
+ if (typeof options.read === 'function') this._read = options.read;
- if (typeof val === 'string') {
- if (val.length === 0) return -1 // special case: looking for empty string always fails
- return String.prototype.indexOf.call(this, val, byteOffset)
- }
- if (Buffer.isBuffer(val)) {
- return arrayIndexOf(this, val, byteOffset)
+ if (typeof options.destroy === 'function') this._destroy = options.destroy;
}
- if (typeof val === 'number') {
- if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') {
- return Uint8Array.prototype.indexOf.call(this, val, byteOffset)
+
+ Stream.call(this);
+}
+
+Object.defineProperty(Readable.prototype, 'destroyed', {
+ get: function () {
+ if (this._readableState === undefined) {
+ return false;
+ }
+ return this._readableState.destroyed;
+ },
+ set: function (value) {
+ // we ignore the value if the stream
+ // has not been initialized yet
+ if (!this._readableState) {
+ return;
}
- return arrayIndexOf(this, [ val ], byteOffset)
+
+ // backward compatibility, the user is explicitly
+ // managing destroyed
+ this._readableState.destroyed = value;
}
+});
- function arrayIndexOf (arr, val, byteOffset) {
- var foundIndex = -1
- for (var i = 0; byteOffset + i < arr.length; i++) {
- if (arr[byteOffset + i] === val[foundIndex === -1 ? 0 : i - foundIndex]) {
- if (foundIndex === -1) foundIndex = i
- if (i - foundIndex + 1 === val.length) return byteOffset + foundIndex
- } else {
- foundIndex = -1
+Readable.prototype.destroy = destroyImpl.destroy;
+Readable.prototype._undestroy = destroyImpl.undestroy;
+Readable.prototype._destroy = function (err, cb) {
+ this.push(null);
+ cb(err);
+};
+
+// Manually shove something into the read() buffer.
+// This returns true if the highWaterMark has not been hit yet,
+// similar to how Writable.write() returns true if you should
+// write() some more.
+Readable.prototype.push = function (chunk, encoding) {
+ var state = this._readableState;
+ var skipChunkCheck;
+
+ if (!state.objectMode) {
+ if (typeof chunk === 'string') {
+ encoding = encoding || state.defaultEncoding;
+ if (encoding !== state.encoding) {
+ chunk = Buffer.from(chunk, encoding);
+ encoding = '';
}
+ skipChunkCheck = true;
}
- return -1
+ } else {
+ skipChunkCheck = true;
}
- throw new TypeError('val must be string, number or Buffer')
-}
-
-// `get` is deprecated
-Buffer.prototype.get = function get (offset) {
- console.log('.get() is deprecated. Access using array indexes instead.')
- return this.readUInt8(offset)
-}
+ return readableAddChunk(this, chunk, encoding, false, skipChunkCheck);
+};
-// `set` is deprecated
-Buffer.prototype.set = function set (v, offset) {
- console.log('.set() is deprecated. Access using array indexes instead.')
- return this.writeUInt8(v, offset)
-}
+// Unshift should *always* be something directly out of read()
+Readable.prototype.unshift = function (chunk) {
+ return readableAddChunk(this, chunk, null, true, false);
+};
-function hexWrite (buf, string, offset, length) {
- offset = Number(offset) || 0
- var remaining = buf.length - offset
- if (!length) {
- length = remaining
+function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) {
+ var state = stream._readableState;
+ if (chunk === null) {
+ state.reading = false;
+ onEofChunk(stream, state);
} else {
- length = Number(length)
- if (length > remaining) {
- length = remaining
+ var er;
+ if (!skipChunkCheck) er = chunkInvalid(state, chunk);
+ if (er) {
+ stream.emit('error', er);
+ } else if (state.objectMode || chunk && chunk.length > 0) {
+ if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) {
+ chunk = _uint8ArrayToBuffer(chunk);
+ }
+
+ if (addToFront) {
+ if (state.endEmitted) stream.emit('error', new Error('stream.unshift() after end event'));else addChunk(stream, state, chunk, true);
+ } else if (state.ended) {
+ stream.emit('error', new Error('stream.push() after EOF'));
+ } else {
+ state.reading = false;
+ if (state.decoder && !encoding) {
+ chunk = state.decoder.write(chunk);
+ if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state);
+ } else {
+ addChunk(stream, state, chunk, false);
+ }
+ }
+ } else if (!addToFront) {
+ state.reading = false;
}
}
- // must be an even number of digits
- var strLen = string.length
- if (strLen % 2 !== 0) throw new Error('Invalid hex string')
+ return needMoreData(state);
+}
- if (length > strLen / 2) {
- length = strLen / 2
- }
- for (var i = 0; i < length; i++) {
- var parsed = parseInt(string.substr(i * 2, 2), 16)
- if (isNaN(parsed)) throw new Error('Invalid hex string')
- buf[offset + i] = parsed
+function addChunk(stream, state, chunk, addToFront) {
+ if (state.flowing && state.length === 0 && !state.sync) {
+ stream.emit('data', chunk);
+ stream.read(0);
+ } else {
+ // update the buffer info.
+ state.length += state.objectMode ? 1 : chunk.length;
+ if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
+
+ if (state.needReadable) emitReadable(stream);
}
- return i
+ maybeReadMore(stream, state);
}
-function utf8Write (buf, string, offset, length) {
- return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+function chunkInvalid(state, chunk) {
+ var er;
+ if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+ er = new TypeError('Invalid non-string/buffer chunk');
+ }
+ return er;
}
-function asciiWrite (buf, string, offset, length) {
- return blitBuffer(asciiToBytes(string), buf, offset, length)
+// if it's past the high water mark, we can push in some more.
+// Also, if we have no data yet, we can stand some
+// more bytes. This is to work around cases where hwm=0,
+// such as the repl. Also, if the push() triggered a
+// readable event, and the user called read(largeNumber) such that
+// needReadable was set, then we ought to push more, so that another
+// 'readable' event will be triggered.
+function needMoreData(state) {
+ return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0);
}
-function binaryWrite (buf, string, offset, length) {
- return asciiWrite(buf, string, offset, length)
-}
+Readable.prototype.isPaused = function () {
+ return this._readableState.flowing === false;
+};
-function base64Write (buf, string, offset, length) {
- return blitBuffer(base64ToBytes(string), buf, offset, length)
+// backwards compatibility.
+Readable.prototype.setEncoding = function (enc) {
+ if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+ this._readableState.decoder = new StringDecoder(enc);
+ this._readableState.encoding = enc;
+ return this;
+};
+
+// Don't raise the hwm > 8MB
+var MAX_HWM = 0x800000;
+function computeNewHighWaterMark(n) {
+ if (n >= MAX_HWM) {
+ n = MAX_HWM;
+ } else {
+ // Get the next highest power of 2 to prevent increasing hwm excessively in
+ // tiny amounts
+ n--;
+ n |= n >>> 1;
+ n |= n >>> 2;
+ n |= n >>> 4;
+ n |= n >>> 8;
+ n |= n >>> 16;
+ n++;
+ }
+ return n;
}
-function ucs2Write (buf, string, offset, length) {
- return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function howMuchToRead(n, state) {
+ if (n <= 0 || state.length === 0 && state.ended) return 0;
+ if (state.objectMode) return 1;
+ if (n !== n) {
+ // Only flow one buffer at a time
+ if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
+ }
+ // If we're asking for more than the current hwm, then raise the hwm.
+ if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
+ if (n <= state.length) return n;
+ // Don't have enough
+ if (!state.ended) {
+ state.needReadable = true;
+ return 0;
+ }
+ return state.length;
}
-Buffer.prototype.write = function write (string, offset, length, encoding) {
- // Buffer#write(string)
- if (offset === undefined) {
- encoding = 'utf8'
- length = this.length
- offset = 0
- // Buffer#write(string, encoding)
- } else if (length === undefined && typeof offset === 'string') {
- encoding = offset
- length = this.length
- offset = 0
- // Buffer#write(string, offset[, length][, encoding])
- } else if (isFinite(offset)) {
- offset = offset | 0
- if (isFinite(length)) {
- length = length | 0
- if (encoding === undefined) encoding = 'utf8'
- } else {
- encoding = length
- length = undefined
- }
- // legacy write(string, encoding, offset, length) - remove in v0.13
- } else {
- var swap = encoding
- encoding = offset
- offset = length | 0
- length = swap
+// you can override either this method, or the async _read(n) below.
+Readable.prototype.read = function (n) {
+ debug('read', n);
+ n = parseInt(n, 10);
+ var state = this._readableState;
+ var nOrig = n;
+
+ if (n !== 0) state.emittedReadable = false;
+
+ // if we're doing read(0) to trigger a readable event, but we
+ // already have a bunch of data in the buffer, then just trigger
+ // the 'readable' event and move on.
+ if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) {
+ debug('read: emitReadable', state.length, state.ended);
+ if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
+ return null;
}
- var remaining = this.length - offset
- if (length === undefined || length > remaining) length = remaining
+ n = howMuchToRead(n, state);
- if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
- throw new RangeError('attempt to write outside buffer bounds')
+ // if we've ended, and we're now clear, then finish it up.
+ if (n === 0 && state.ended) {
+ if (state.length === 0) endReadable(this);
+ return null;
}
- if (!encoding) encoding = 'utf8'
+ // All the actual chunk generation logic needs to be
+ // *below* the call to _read. The reason is that in certain
+ // synthetic stream cases, such as passthrough streams, _read
+ // may be a completely synchronous operation which may change
+ // the state of the read buffer, providing enough data when
+ // before there was *not* enough.
+ //
+ // So, the steps are:
+ // 1. Figure out what the state of things will be after we do
+ // a read from the buffer.
+ //
+ // 2. If that resulting state will trigger a _read, then call _read.
+ // Note that this may be asynchronous, or synchronous. Yes, it is
+ // deeply ugly to write APIs this way, but that still doesn't mean
+ // that the Readable class should behave improperly, as streams are
+ // designed to be sync/async agnostic.
+ // Take note if the _read call is sync or async (ie, if the read call
+ // has returned yet), so that we know whether or not it's safe to emit
+ // 'readable' etc.
+ //
+ // 3. Actually pull the requested chunks out of the buffer and return.
- var loweredCase = false
- for (;;) {
- switch (encoding) {
- case 'hex':
- return hexWrite(this, string, offset, length)
+ // if we need a readable event, then we need to do some reading.
+ var doRead = state.needReadable;
+ debug('need readable', doRead);
- case 'utf8':
- case 'utf-8':
- return utf8Write(this, string, offset, length)
+ // if we currently have less than the highWaterMark, then also read some
+ if (state.length === 0 || state.length - n < state.highWaterMark) {
+ doRead = true;
+ debug('length less than watermark', doRead);
+ }
- case 'ascii':
- return asciiWrite(this, string, offset, length)
+ // however, if we've ended, then there's no point, and if we're already
+ // reading, then it's unnecessary.
+ if (state.ended || state.reading) {
+ doRead = false;
+ debug('reading or ended', doRead);
+ } else if (doRead) {
+ debug('do read');
+ state.reading = true;
+ state.sync = true;
+ // if the length is currently zero, then we *need* a readable event.
+ if (state.length === 0) state.needReadable = true;
+ // call internal read method
+ this._read(state.highWaterMark);
+ state.sync = false;
+ // If _read pushed data synchronously, then `reading` will be false,
+ // and we need to re-evaluate how much data we can return to the user.
+ if (!state.reading) n = howMuchToRead(nOrig, state);
+ }
- case 'binary':
- return binaryWrite(this, string, offset, length)
+ var ret;
+ if (n > 0) ret = fromList(n, state);else ret = null;
- case 'base64':
- // Warning: maxLength not taken into account in base64Write
- return base64Write(this, string, offset, length)
+ if (ret === null) {
+ state.needReadable = true;
+ n = 0;
+ } else {
+ state.length -= n;
+ }
- case 'ucs2':
- case 'ucs-2':
- case 'utf16le':
- case 'utf-16le':
- return ucs2Write(this, string, offset, length)
+ if (state.length === 0) {
+ // If we have nothing in the buffer, then we want to know
+ // as soon as we *do* get something into the buffer.
+ if (!state.ended) state.needReadable = true;
- default:
- if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
- encoding = ('' + encoding).toLowerCase()
- loweredCase = true
- }
+ // If we tried to read() past the EOF, then emit end on the next tick.
+ if (nOrig !== n && state.ended) endReadable(this);
}
-}
-Buffer.prototype.toJSON = function toJSON () {
- return {
- type: 'Buffer',
- data: Array.prototype.slice.call(this._arr || this, 0)
+ if (ret !== null) this.emit('data', ret);
+
+ return ret;
+};
+
+function onEofChunk(stream, state) {
+ if (state.ended) return;
+ if (state.decoder) {
+ var chunk = state.decoder.end();
+ if (chunk && chunk.length) {
+ state.buffer.push(chunk);
+ state.length += state.objectMode ? 1 : chunk.length;
+ }
}
+ state.ended = true;
+
+ // emit 'readable' now to make sure it gets picked up.
+ emitReadable(stream);
}
-function base64Slice (buf, start, end) {
- if (start === 0 && end === buf.length) {
- return base64.fromByteArray(buf)
- } else {
- return base64.fromByteArray(buf.slice(start, end))
+// Don't emit readable right away in sync mode, because this can trigger
+// another read() call => stack overflow. This way, it might trigger
+// a nextTick recursion warning, but that's not so bad.
+function emitReadable(stream) {
+ var state = stream._readableState;
+ state.needReadable = false;
+ if (!state.emittedReadable) {
+ debug('emitReadable', state.flowing);
+ state.emittedReadable = true;
+ if (state.sync) processNextTick(emitReadable_, stream);else emitReadable_(stream);
}
}
-function utf8Slice (buf, start, end) {
- end = Math.min(buf.length, end)
- var firstByte
- var secondByte
- var thirdByte
- var fourthByte
- var bytesPerSequence
- var tempCodePoint
- var codePoint
- var res = []
- var i = start
+function emitReadable_(stream) {
+ debug('emit readable');
+ stream.emit('readable');
+ flow(stream);
+}
- for (; i < end; i += bytesPerSequence) {
- firstByte = buf[i]
- codePoint = 0xFFFD
+// at this point, the user has presumably seen the 'readable' event,
+// and called read() to consume some data. that may have triggered
+// in turn another _read(n) call, in which case reading = true if
+// it's in progress.
+// However, if we're not ended, or reading, and the length < hwm,
+// then go ahead and try to read some more preemptively.
+function maybeReadMore(stream, state) {
+ if (!state.readingMore) {
+ state.readingMore = true;
+ processNextTick(maybeReadMore_, stream, state);
+ }
+}
- if (firstByte > 0xEF) {
- bytesPerSequence = 4
- } else if (firstByte > 0xDF) {
- bytesPerSequence = 3
- } else if (firstByte > 0xBF) {
- bytesPerSequence = 2
- } else {
- bytesPerSequence = 1
- }
+function maybeReadMore_(stream, state) {
+ var len = state.length;
+ while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) {
+ debug('maybeReadMore read 0');
+ stream.read(0);
+ if (len === state.length)
+ // didn't get any data, stop spinning.
+ break;else len = state.length;
+ }
+ state.readingMore = false;
+}
- if (i + bytesPerSequence <= end) {
- switch (bytesPerSequence) {
- case 1:
- if (firstByte < 0x80) {
- codePoint = firstByte
- }
- break
- case 2:
- secondByte = buf[i + 1]
- if ((secondByte & 0xC0) === 0x80) {
- tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
- if (tempCodePoint > 0x7F) {
- codePoint = tempCodePoint
- }
- }
- break
- case 3:
- secondByte = buf[i + 1]
- thirdByte = buf[i + 2]
- if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
- tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
- if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
- codePoint = tempCodePoint
- }
- }
- break
- case 4:
- secondByte = buf[i + 1]
- thirdByte = buf[i + 2]
- fourthByte = buf[i + 3]
- if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
- tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
- if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
- codePoint = tempCodePoint
- }
- }
- }
- }
+// abstract method. to be overridden in specific implementation classes.
+// call cb(er, data) where data is <= n in length.
+// for virtual (non-string, non-buffer) streams, "length" is somewhat
+// arbitrary, and perhaps not very meaningful.
+Readable.prototype._read = function (n) {
+ this.emit('error', new Error('_read() is not implemented'));
+};
- if (codePoint === 0xFFFD) {
- // we generated an invalid codePoint so make sure to only advance by 1 byte
- bytesPerSequence = 1
- } else if (codePoint > 0xFFFF) {
- // encode to utf16 (surrogate pair dance)
- codePoint -= 0x10000
- res.push(codePoint >>> 10 & 0x3FF | 0xD800)
- codePoint = 0xDC00 | codePoint & 0x3FF
- }
+Readable.prototype.pipe = function (dest, pipeOpts) {
+ var src = this;
+ var state = this._readableState;
- res.push(codePoint)
+ switch (state.pipesCount) {
+ case 0:
+ state.pipes = dest;
+ break;
+ case 1:
+ state.pipes = [state.pipes, dest];
+ break;
+ default:
+ state.pipes.push(dest);
+ break;
}
+ state.pipesCount += 1;
+ debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
+
+ var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr;
- return String.fromCharCode.apply(String, res)
-}
+ var endFn = doEnd ? onend : unpipe;
+ if (state.endEmitted) processNextTick(endFn);else src.once('end', endFn);
-function asciiSlice (buf, start, end) {
- var ret = ''
- end = Math.min(buf.length, end)
+ dest.on('unpipe', onunpipe);
+ function onunpipe(readable, unpipeInfo) {
+ debug('onunpipe');
+ if (readable === src) {
+ if (unpipeInfo && unpipeInfo.hasUnpiped === false) {
+ unpipeInfo.hasUnpiped = true;
+ cleanup();
+ }
+ }
+ }
- for (var i = start; i < end; i++) {
- ret += String.fromCharCode(buf[i] & 0x7F)
+ function onend() {
+ debug('onend');
+ dest.end();
}
- return ret
-}
-function binarySlice (buf, start, end) {
- var ret = ''
- end = Math.min(buf.length, end)
+ // when the dest drains, it reduces the awaitDrain counter
+ // on the source. This would be more elegant with a .once()
+ // handler in flow(), but adding and removing repeatedly is
+ // too slow.
+ var ondrain = pipeOnDrain(src);
+ dest.on('drain', ondrain);
- for (var i = start; i < end; i++) {
- ret += String.fromCharCode(buf[i])
- }
- return ret
-}
+ var cleanedUp = false;
+ function cleanup() {
+ debug('cleanup');
+ // cleanup event handlers once the pipe is broken
+ dest.removeListener('close', onclose);
+ dest.removeListener('finish', onfinish);
+ dest.removeListener('drain', ondrain);
+ dest.removeListener('error', onerror);
+ dest.removeListener('unpipe', onunpipe);
+ src.removeListener('end', onend);
+ src.removeListener('end', unpipe);
+ src.removeListener('data', ondata);
-function hexSlice (buf, start, end) {
- var len = buf.length
+ cleanedUp = true;
- if (!start || start < 0) start = 0
- if (!end || end < 0 || end > len) end = len
+ // if the reader is waiting for a drain event from this
+ // specific writer, then it would cause it to never start
+ // flowing again.
+ // So, if this is awaiting a drain, then we just call it now.
+ // If we don't know, then assume that we are waiting for one.
+ if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
+ }
- var out = ''
- for (var i = start; i < end; i++) {
- out += toHex(buf[i])
+ // If the user pushes more data while we're writing to dest then we'll end up
+ // in ondata again. However, we only want to increase awaitDrain once because
+ // dest will only emit one 'drain' event for the multiple writes.
+ // => Introduce a guard on increasing awaitDrain.
+ var increasedAwaitDrain = false;
+ src.on('data', ondata);
+ function ondata(chunk) {
+ debug('ondata');
+ increasedAwaitDrain = false;
+ var ret = dest.write(chunk);
+ if (false === ret && !increasedAwaitDrain) {
+ // If the user unpiped during `dest.write()`, it is possible
+ // to get stuck in a permanently paused state if that write
+ // also returned false.
+ // => Check whether `dest` is still a piping destination.
+ if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) {
+ debug('false write response, pause', src._readableState.awaitDrain);
+ src._readableState.awaitDrain++;
+ increasedAwaitDrain = true;
+ }
+ src.pause();
+ }
}
- return out
-}
-function utf16leSlice (buf, start, end) {
- var bytes = buf.slice(start, end)
- var res = ''
- for (var i = 0; i < bytes.length; i += 2) {
- res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
+ // if the dest has an error, then stop piping into it.
+ // however, don't suppress the throwing behavior for this.
+ function onerror(er) {
+ debug('onerror', er);
+ unpipe();
+ dest.removeListener('error', onerror);
+ if (EElistenerCount(dest, 'error') === 0) dest.emit('error', er);
}
- return res
-}
-Buffer.prototype.slice = function slice (start, end) {
- var len = this.length
- start = ~~start
- end = end === undefined ? len : ~~end
+ // Make sure our error handler is attached before userland ones.
+ prependListener(dest, 'error', onerror);
- if (start < 0) {
- start += len
- if (start < 0) start = 0
- } else if (start > len) {
- start = len
+ // Both close and finish should trigger unpipe, but only once.
+ function onclose() {
+ dest.removeListener('finish', onfinish);
+ unpipe();
+ }
+ dest.once('close', onclose);
+ function onfinish() {
+ debug('onfinish');
+ dest.removeListener('close', onclose);
+ unpipe();
}
+ dest.once('finish', onfinish);
- if (end < 0) {
- end += len
- if (end < 0) end = 0
- } else if (end > len) {
- end = len
+ function unpipe() {
+ debug('unpipe');
+ src.unpipe(dest);
}
- if (end < start) end = start
+ // tell the dest that it's being piped to
+ dest.emit('pipe', src);
- var newBuf
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- newBuf = Buffer._augment(this.subarray(start, end))
- } else {
- var sliceLen = end - start
- newBuf = new Buffer(sliceLen, undefined)
- for (var i = 0; i < sliceLen; i++) {
- newBuf[i] = this[i + start]
- }
+ // start the flow if it hasn't been started already.
+ if (!state.flowing) {
+ debug('pipe resume');
+ src.resume();
}
- if (newBuf.length) newBuf.parent = this.parent || this
-
- return newBuf
-}
+ return dest;
+};
-/*
- * Need to make sure that buffer isn't trying to write out of bounds.
- */
-function checkOffset (offset, ext, length) {
- if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
- if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+function pipeOnDrain(src) {
+ return function () {
+ var state = src._readableState;
+ debug('pipeOnDrain', state.awaitDrain);
+ if (state.awaitDrain) state.awaitDrain--;
+ if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) {
+ state.flowing = true;
+ flow(src);
+ }
+ };
}
-Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
- offset = offset | 0
- byteLength = byteLength | 0
- if (!noAssert) checkOffset(offset, byteLength, this.length)
+Readable.prototype.unpipe = function (dest) {
+ var state = this._readableState;
+ var unpipeInfo = { hasUnpiped: false };
- var val = this[offset]
- var mul = 1
- var i = 0
- while (++i < byteLength && (mul *= 0x100)) {
- val += this[offset + i] * mul
- }
+ // if we're not piping anywhere, then do nothing.
+ if (state.pipesCount === 0) return this;
- return val
-}
+ // just one destination. most common case.
+ if (state.pipesCount === 1) {
+ // passed in one, but it's not the right one.
+ if (dest && dest !== state.pipes) return this;
-Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
- offset = offset | 0
- byteLength = byteLength | 0
- if (!noAssert) {
- checkOffset(offset, byteLength, this.length)
- }
+ if (!dest) dest = state.pipes;
- var val = this[offset + --byteLength]
- var mul = 1
- while (byteLength > 0 && (mul *= 0x100)) {
- val += this[offset + --byteLength] * mul
+ // got a match.
+ state.pipes = null;
+ state.pipesCount = 0;
+ state.flowing = false;
+ if (dest) dest.emit('unpipe', this, unpipeInfo);
+ return this;
}
- return val
-}
-
-Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 1, this.length)
- return this[offset]
-}
+ // slow case. multiple pipe destinations.
-Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 2, this.length)
- return this[offset] | (this[offset + 1] << 8)
-}
+ if (!dest) {
+ // remove all.
+ var dests = state.pipes;
+ var len = state.pipesCount;
+ state.pipes = null;
+ state.pipesCount = 0;
+ state.flowing = false;
-Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 2, this.length)
- return (this[offset] << 8) | this[offset + 1]
-}
+ for (var i = 0; i < len; i++) {
+ dests[i].emit('unpipe', this, unpipeInfo);
+ }return this;
+ }
-Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 4, this.length)
+ // try to find the right one.
+ var index = indexOf(state.pipes, dest);
+ if (index === -1) return this;
- return ((this[offset]) |
- (this[offset + 1] << 8) |
- (this[offset + 2] << 16)) +
- (this[offset + 3] * 0x1000000)
-}
+ state.pipes.splice(index, 1);
+ state.pipesCount -= 1;
+ if (state.pipesCount === 1) state.pipes = state.pipes[0];
-Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 4, this.length)
+ dest.emit('unpipe', this, unpipeInfo);
- return (this[offset] * 0x1000000) +
- ((this[offset + 1] << 16) |
- (this[offset + 2] << 8) |
- this[offset + 3])
-}
+ return this;
+};
-Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
- offset = offset | 0
- byteLength = byteLength | 0
- if (!noAssert) checkOffset(offset, byteLength, this.length)
+// set up data events if they are asked for
+// Ensure readable listeners eventually get something
+Readable.prototype.on = function (ev, fn) {
+ var res = Stream.prototype.on.call(this, ev, fn);
- var val = this[offset]
- var mul = 1
- var i = 0
- while (++i < byteLength && (mul *= 0x100)) {
- val += this[offset + i] * mul
+ if (ev === 'data') {
+ // Start flowing on next tick if stream isn't explicitly paused
+ if (this._readableState.flowing !== false) this.resume();
+ } else if (ev === 'readable') {
+ var state = this._readableState;
+ if (!state.endEmitted && !state.readableListening) {
+ state.readableListening = state.needReadable = true;
+ state.emittedReadable = false;
+ if (!state.reading) {
+ processNextTick(nReadingNextTick, this);
+ } else if (state.length) {
+ emitReadable(this);
+ }
+ }
}
- mul *= 0x80
- if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+ return res;
+};
+Readable.prototype.addListener = Readable.prototype.on;
- return val
+function nReadingNextTick(self) {
+ debug('readable nexttick read 0');
+ self.read(0);
}
-Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
- offset = offset | 0
- byteLength = byteLength | 0
- if (!noAssert) checkOffset(offset, byteLength, this.length)
+// pause() and resume() are remnants of the legacy readable stream API
+// If the user uses them, then switch into old mode.
+Readable.prototype.resume = function () {
+ var state = this._readableState;
+ if (!state.flowing) {
+ debug('resume');
+ state.flowing = true;
+ resume(this, state);
+ }
+ return this;
+};
- var i = byteLength
- var mul = 1
- var val = this[offset + --i]
- while (i > 0 && (mul *= 0x100)) {
- val += this[offset + --i] * mul
+function resume(stream, state) {
+ if (!state.resumeScheduled) {
+ state.resumeScheduled = true;
+ processNextTick(resume_, stream, state);
}
- mul *= 0x80
+}
- if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+function resume_(stream, state) {
+ if (!state.reading) {
+ debug('resume read 0');
+ stream.read(0);
+ }
- return val
+ state.resumeScheduled = false;
+ state.awaitDrain = 0;
+ stream.emit('resume');
+ flow(stream);
+ if (state.flowing && !state.reading) stream.read(0);
}
-Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 1, this.length)
- if (!(this[offset] & 0x80)) return (this[offset])
- return ((0xff - this[offset] + 1) * -1)
-}
+Readable.prototype.pause = function () {
+ debug('call pause flowing=%j', this._readableState.flowing);
+ if (false !== this._readableState.flowing) {
+ debug('pause');
+ this._readableState.flowing = false;
+ this.emit('pause');
+ }
+ return this;
+};
-Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 2, this.length)
- var val = this[offset] | (this[offset + 1] << 8)
- return (val & 0x8000) ? val | 0xFFFF0000 : val
+function flow(stream) {
+ var state = stream._readableState;
+ debug('flow', state.flowing);
+ while (state.flowing && stream.read() !== null) {}
}
-Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 2, this.length)
- var val = this[offset + 1] | (this[offset] << 8)
- return (val & 0x8000) ? val | 0xFFFF0000 : val
-}
+// wrap an old-style stream as the async data source.
+// This is *not* part of the readable stream interface.
+// It is an ugly unfortunate mess of history.
+Readable.prototype.wrap = function (stream) {
+ var state = this._readableState;
+ var paused = false;
-Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 4, this.length)
+ var self = this;
+ stream.on('end', function () {
+ debug('wrapped end');
+ if (state.decoder && !state.ended) {
+ var chunk = state.decoder.end();
+ if (chunk && chunk.length) self.push(chunk);
+ }
- return (this[offset]) |
- (this[offset + 1] << 8) |
- (this[offset + 2] << 16) |
- (this[offset + 3] << 24)
-}
+ self.push(null);
+ });
-Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 4, this.length)
+ stream.on('data', function (chunk) {
+ debug('wrapped data');
+ if (state.decoder) chunk = state.decoder.write(chunk);
- return (this[offset] << 24) |
- (this[offset + 1] << 16) |
- (this[offset + 2] << 8) |
- (this[offset + 3])
-}
+ // don't skip over falsy values in objectMode
+ if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;
-Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 4, this.length)
- return ieee754.read(this, offset, true, 23, 4)
-}
+ var ret = self.push(chunk);
+ if (!ret) {
+ paused = true;
+ stream.pause();
+ }
+ });
-Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 4, this.length)
- return ieee754.read(this, offset, false, 23, 4)
-}
+ // proxy all the other methods.
+ // important when wrapping filters and duplexes.
+ for (var i in stream) {
+ if (this[i] === undefined && typeof stream[i] === 'function') {
+ this[i] = function (method) {
+ return function () {
+ return stream[method].apply(stream, arguments);
+ };
+ }(i);
+ }
+ }
-Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 8, this.length)
- return ieee754.read(this, offset, true, 52, 8)
-}
+ // proxy certain important events.
+ for (var n = 0; n < kProxyEvents.length; n++) {
+ stream.on(kProxyEvents[n], self.emit.bind(self, kProxyEvents[n]));
+ }
-Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
- if (!noAssert) checkOffset(offset, 8, this.length)
- return ieee754.read(this, offset, false, 52, 8)
-}
+ // when we try to consume some more bytes, simply unpause the
+ // underlying stream.
+ self._read = function (n) {
+ debug('wrapped _read', n);
+ if (paused) {
+ paused = false;
+ stream.resume();
+ }
+ };
-function checkInt (buf, value, offset, ext, max, min) {
- if (!Buffer.isBuffer(buf)) throw new TypeError('buffer must be a Buffer instance')
- if (value > max || value < min) throw new RangeError('value is out of bounds')
- if (offset + ext > buf.length) throw new RangeError('index out of range')
-}
+ return self;
+};
-Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
- value = +value
- offset = offset | 0
- byteLength = byteLength | 0
- if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)
+// exposed for testing purposes only.
+Readable._fromList = fromList;
- var mul = 1
- var i = 0
- this[offset] = value & 0xFF
- while (++i < byteLength && (mul *= 0x100)) {
- this[offset + i] = (value / mul) & 0xFF
+// Pluck off n bytes from an array of buffers.
+// Length is the combined lengths of all the buffers in the list.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function fromList(n, state) {
+ // nothing buffered
+ if (state.length === 0) return null;
+
+ var ret;
+ if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
+ // read it all, truncate the list
+ if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length);
+ state.buffer.clear();
+ } else {
+ // read part of list
+ ret = fromListPartial(n, state.buffer, state.decoder);
}
- return offset + byteLength
+ return ret;
}
-Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
- value = +value
- offset = offset | 0
- byteLength = byteLength | 0
- if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)
-
- var i = byteLength - 1
- var mul = 1
- this[offset + i] = value & 0xFF
- while (--i >= 0 && (mul *= 0x100)) {
- this[offset + i] = (value / mul) & 0xFF
+// Extracts only enough buffered data to satisfy the amount requested.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function fromListPartial(n, list, hasStrings) {
+ var ret;
+ if (n < list.head.data.length) {
+ // slice is the same for buffers and strings
+ ret = list.head.data.slice(0, n);
+ list.head.data = list.head.data.slice(n);
+ } else if (n === list.head.data.length) {
+ // first chunk is a perfect match
+ ret = list.shift();
+ } else {
+ // result spans more than one buffer
+ ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list);
}
-
- return offset + byteLength
+ return ret;
}
-Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
- if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
- this[offset] = value
- return offset + 1
+// Copies a specified amount of characters from the list of buffered data
+// chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBufferString(n, list) {
+ var p = list.head;
+ var c = 1;
+ var ret = p.data;
+ n -= ret.length;
+ while (p = p.next) {
+ var str = p.data;
+ var nb = n > str.length ? str.length : n;
+ if (nb === str.length) ret += str;else ret += str.slice(0, n);
+ n -= nb;
+ if (n === 0) {
+ if (nb === str.length) {
+ ++c;
+ if (p.next) list.head = p.next;else list.head = list.tail = null;
+ } else {
+ list.head = p;
+ p.data = str.slice(nb);
+ }
+ break;
+ }
+ ++c;
+ }
+ list.length -= c;
+ return ret;
}
-function objectWriteUInt16 (buf, value, offset, littleEndian) {
- if (value < 0) value = 0xffff + value + 1
- for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; i++) {
- buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
- (littleEndian ? i : 1 - i) * 8
+// Copies a specified amount of bytes from the list of buffered data chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBuffer(n, list) {
+ var ret = Buffer.allocUnsafe(n);
+ var p = list.head;
+ var c = 1;
+ p.data.copy(ret);
+ n -= p.data.length;
+ while (p = p.next) {
+ var buf = p.data;
+ var nb = n > buf.length ? buf.length : n;
+ buf.copy(ret, ret.length - n, 0, nb);
+ n -= nb;
+ if (n === 0) {
+ if (nb === buf.length) {
+ ++c;
+ if (p.next) list.head = p.next;else list.head = list.tail = null;
+ } else {
+ list.head = p;
+ p.data = buf.slice(nb);
+ }
+ break;
+ }
+ ++c;
}
+ list.length -= c;
+ return ret;
}
-Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- this[offset] = value
- this[offset + 1] = (value >>> 8)
- } else {
- objectWriteUInt16(this, value, offset, true)
- }
- return offset + 2
-}
+function endReadable(stream) {
+ var state = stream._readableState;
-Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- this[offset] = (value >>> 8)
- this[offset + 1] = value
- } else {
- objectWriteUInt16(this, value, offset, false)
- }
- return offset + 2
-}
+ // If we get here before consuming all the bytes, then that is a
+ // bug in node. Should never happen.
+ if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream');
-function objectWriteUInt32 (buf, value, offset, littleEndian) {
- if (value < 0) value = 0xffffffff + value + 1
- for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; i++) {
- buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
+ if (!state.endEmitted) {
+ state.ended = true;
+ processNextTick(endReadableNT, state, stream);
}
}
-Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- this[offset + 3] = (value >>> 24)
- this[offset + 2] = (value >>> 16)
- this[offset + 1] = (value >>> 8)
- this[offset] = value
- } else {
- objectWriteUInt32(this, value, offset, true)
+function endReadableNT(state, stream) {
+ // Check that we didn't get one last unshift.
+ if (!state.endEmitted && state.length === 0) {
+ state.endEmitted = true;
+ stream.readable = false;
+ stream.emit('end');
}
- return offset + 4
}
-Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- this[offset] = (value >>> 24)
- this[offset + 1] = (value >>> 16)
- this[offset + 2] = (value >>> 8)
- this[offset + 3] = value
- } else {
- objectWriteUInt32(this, value, offset, false)
+function forEach(xs, f) {
+ for (var i = 0, l = xs.length; i < l; i++) {
+ f(xs[i], i);
}
- return offset + 4
}
-Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) {
- var limit = Math.pow(2, 8 * byteLength - 1)
-
- checkInt(this, value, offset, byteLength, limit - 1, -limit)
- }
-
- var i = 0
- var mul = 1
- var sub = value < 0 ? 1 : 0
- this[offset] = value & 0xFF
- while (++i < byteLength && (mul *= 0x100)) {
- this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+function indexOf(xs, x) {
+ for (var i = 0, l = xs.length; i < l; i++) {
+ if (xs[i] === x) return i;
}
-
- return offset + byteLength
+ return -1;
}
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./_stream_duplex":14,"./internal/streams/BufferList":19,"./internal/streams/destroy":20,"./internal/streams/stream":21,"_process":12,"core-util-is":5,"events":6,"inherits":8,"isarray":10,"process-nextick-args":11,"safe-buffer":26,"string_decoder/":28,"util":3}],17:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
-Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) {
- var limit = Math.pow(2, 8 * byteLength - 1)
+// a transform stream is a readable/writable stream where you do
+// something with the data. Sometimes it's called a "filter",
+// but that's not a great name for it, since that implies a thing where
+// some bits pass through, and others are simply ignored. (That would
+// be a valid example of a transform, of course.)
+//
+// While the output is causally related to the input, it's not a
+// necessarily symmetric or synchronous transformation. For example,
+// a zlib stream might take multiple plain-text writes(), and then
+// emit a single compressed chunk some time in the future.
+//
+// Here's how this works:
+//
+// The Transform stream has all the aspects of the readable and writable
+// stream classes. When you write(chunk), that calls _write(chunk,cb)
+// internally, and returns false if there's a lot of pending writes
+// buffered up. When you call read(), that calls _read(n) until
+// there's enough pending readable data buffered up.
+//
+// In a transform stream, the written data is placed in a buffer. When
+// _read(n) is called, it transforms the queued up data, calling the
+// buffered _write cb's as it consumes chunks. If consuming a single
+// written chunk would result in multiple output chunks, then the first
+// outputted bit calls the readcb, and subsequent chunks just go into
+// the read buffer, and will cause it to emit 'readable' if necessary.
+//
+// This way, back-pressure is actually determined by the reading side,
+// since _read has to be called to start processing a new chunk. However,
+// a pathological inflate type of transform can cause excessive buffering
+// here. For example, imagine a stream where every byte of input is
+// interpreted as an integer from 0-255, and then results in that many
+// bytes of output. Writing the 4 bytes {ff,ff,ff,ff} would result in
+// 1kb of data being output. In this case, you could write a very small
+// amount of input, and end up with a very large amount of output. In
+// such a pathological inflating mechanism, there'd be no way to tell
+// the system to stop doing the transform. A single 4MB write could
+// cause the system to run out of memory.
+//
+// However, even in such a pathological case, only a single written chunk
+// would be consumed, and then the rest would wait (un-transformed) until
+// the results of the previous transformed chunk were consumed.
- checkInt(this, value, offset, byteLength, limit - 1, -limit)
- }
+'use strict';
- var i = byteLength - 1
- var mul = 1
- var sub = value < 0 ? 1 : 0
- this[offset + i] = value & 0xFF
- while (--i >= 0 && (mul *= 0x100)) {
- this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
- }
+module.exports = Transform;
- return offset + byteLength
-}
+var Duplex = require('./_stream_duplex');
-Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
- if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
- if (value < 0) value = 0xff + value + 1
- this[offset] = value
- return offset + 1
-}
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
-Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- this[offset] = value
- this[offset + 1] = (value >>> 8)
- } else {
- objectWriteUInt16(this, value, offset, true)
- }
- return offset + 2
-}
+util.inherits(Transform, Duplex);
-Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- this[offset] = (value >>> 8)
- this[offset + 1] = value
- } else {
- objectWriteUInt16(this, value, offset, false)
- }
- return offset + 2
-}
+function TransformState(stream) {
+ this.afterTransform = function (er, data) {
+ return afterTransform(stream, er, data);
+ };
-Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- this[offset] = value
- this[offset + 1] = (value >>> 8)
- this[offset + 2] = (value >>> 16)
- this[offset + 3] = (value >>> 24)
- } else {
- objectWriteUInt32(this, value, offset, true)
- }
- return offset + 4
+ this.needTransform = false;
+ this.transforming = false;
+ this.writecb = null;
+ this.writechunk = null;
+ this.writeencoding = null;
}
-Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
- value = +value
- offset = offset | 0
- if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
- if (value < 0) value = 0xffffffff + value + 1
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- this[offset] = (value >>> 24)
- this[offset + 1] = (value >>> 16)
- this[offset + 2] = (value >>> 8)
- this[offset + 3] = value
- } else {
- objectWriteUInt32(this, value, offset, false)
- }
- return offset + 4
-}
+function afterTransform(stream, er, data) {
+ var ts = stream._transformState;
+ ts.transforming = false;
-function checkIEEE754 (buf, value, offset, ext, max, min) {
- if (value > max || value < min) throw new RangeError('value is out of bounds')
- if (offset + ext > buf.length) throw new RangeError('index out of range')
- if (offset < 0) throw new RangeError('index out of range')
-}
+ var cb = ts.writecb;
-function writeFloat (buf, value, offset, littleEndian, noAssert) {
- if (!noAssert) {
- checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
+ if (!cb) {
+ return stream.emit('error', new Error('write callback called multiple times'));
}
- ieee754.write(buf, value, offset, littleEndian, 23, 4)
- return offset + 4
-}
-Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
- return writeFloat(this, value, offset, true, noAssert)
-}
+ ts.writechunk = null;
+ ts.writecb = null;
-Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
- return writeFloat(this, value, offset, false, noAssert)
-}
+ if (data !== null && data !== undefined) stream.push(data);
-function writeDouble (buf, value, offset, littleEndian, noAssert) {
- if (!noAssert) {
- checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
+ cb(er);
+
+ var rs = stream._readableState;
+ rs.reading = false;
+ if (rs.needReadable || rs.length < rs.highWaterMark) {
+ stream._read(rs.highWaterMark);
}
- ieee754.write(buf, value, offset, littleEndian, 52, 8)
- return offset + 8
}
-Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
- return writeDouble(this, value, offset, true, noAssert)
-}
+function Transform(options) {
+ if (!(this instanceof Transform)) return new Transform(options);
-Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
- return writeDouble(this, value, offset, false, noAssert)
-}
+ Duplex.call(this, options);
-// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
-Buffer.prototype.copy = function copy (target, targetStart, start, end) {
- if (!start) start = 0
- if (!end && end !== 0) end = this.length
- if (targetStart >= target.length) targetStart = target.length
- if (!targetStart) targetStart = 0
- if (end > 0 && end < start) end = start
+ this._transformState = new TransformState(this);
- // Copy 0 bytes; we're done
- if (end === start) return 0
- if (target.length === 0 || this.length === 0) return 0
+ var stream = this;
- // Fatal error conditions
- if (targetStart < 0) {
- throw new RangeError('targetStart out of bounds')
- }
- if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
- if (end < 0) throw new RangeError('sourceEnd out of bounds')
+ // start out asking for a readable event once data is transformed.
+ this._readableState.needReadable = true;
- // Are we oob?
- if (end > this.length) end = this.length
- if (target.length - targetStart < end - start) {
- end = target.length - targetStart + start
- }
+ // we have implemented the _read method, and done the other things
+ // that Readable wants before the first _read call, so unset the
+ // sync guard flag.
+ this._readableState.sync = false;
- var len = end - start
- var i
+ if (options) {
+ if (typeof options.transform === 'function') this._transform = options.transform;
- if (this === target && start < targetStart && targetStart < end) {
- // descending copy from end
- for (i = len - 1; i >= 0; i--) {
- target[i + targetStart] = this[i + start]
- }
- } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
- // ascending copy from start
- for (i = 0; i < len; i++) {
- target[i + targetStart] = this[i + start]
- }
- } else {
- target._set(this.subarray(start, start + len), targetStart)
+ if (typeof options.flush === 'function') this._flush = options.flush;
}
- return len
+ // When the writable side finishes, then flush out anything remaining.
+ this.once('prefinish', function () {
+ if (typeof this._flush === 'function') this._flush(function (er, data) {
+ done(stream, er, data);
+ });else done(stream);
+ });
}
-// fill(value, start=0, end=buffer.length)
-Buffer.prototype.fill = function fill (value, start, end) {
- if (!value) value = 0
- if (!start) start = 0
- if (!end) end = this.length
+Transform.prototype.push = function (chunk, encoding) {
+ this._transformState.needTransform = false;
+ return Duplex.prototype.push.call(this, chunk, encoding);
+};
- if (end < start) throw new RangeError('end < start')
+// This is the part where you do stuff!
+// override this function in implementation classes.
+// 'chunk' is an input chunk.
+//
+// Call `push(newChunk)` to pass along transformed output
+// to the readable side. You may call 'push' zero or more times.
+//
+// Call `cb(err)` when you are done with this chunk. If you pass
+// an error, then that'll put the hurt on the whole operation. If you
+// never call cb(), then you'll never get another chunk.
+Transform.prototype._transform = function (chunk, encoding, cb) {
+ throw new Error('_transform() is not implemented');
+};
- // Fill 0 bytes; we're done
- if (end === start) return
- if (this.length === 0) return
+Transform.prototype._write = function (chunk, encoding, cb) {
+ var ts = this._transformState;
+ ts.writecb = cb;
+ ts.writechunk = chunk;
+ ts.writeencoding = encoding;
+ if (!ts.transforming) {
+ var rs = this._readableState;
+ if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
+ }
+};
- if (start < 0 || start >= this.length) throw new RangeError('start out of bounds')
- if (end < 0 || end > this.length) throw new RangeError('end out of bounds')
+// Doesn't matter what the args are here.
+// _transform does all the work.
+// That we got here means that the readable side wants more data.
+Transform.prototype._read = function (n) {
+ var ts = this._transformState;
- var i
- if (typeof value === 'number') {
- for (i = start; i < end; i++) {
- this[i] = value
- }
+ if (ts.writechunk !== null && ts.writecb && !ts.transforming) {
+ ts.transforming = true;
+ this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
} else {
- var bytes = utf8ToBytes(value.toString())
- var len = bytes.length
- for (i = start; i < end; i++) {
- this[i] = bytes[i % len]
- }
+ // mark that we need a transform, so that any data that comes in
+ // will get processed, now that we've asked for it.
+ ts.needTransform = true;
}
+};
- return this
-}
+Transform.prototype._destroy = function (err, cb) {
+ var _this = this;
-/**
- * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance.
- * Added in Node 0.12. Only available in browsers that support ArrayBuffer.
- */
-Buffer.prototype.toArrayBuffer = function toArrayBuffer () {
- if (typeof Uint8Array !== 'undefined') {
- if (Buffer.TYPED_ARRAY_SUPPORT) {
- return (new Buffer(this)).buffer
- } else {
- var buf = new Uint8Array(this.length)
- for (var i = 0, len = buf.length; i < len; i += 1) {
- buf[i] = this[i]
- }
- return buf.buffer
- }
- } else {
- throw new TypeError('Buffer.toArrayBuffer not supported in this browser')
- }
-}
+ Duplex.prototype._destroy.call(this, err, function (err2) {
+ cb(err2);
+ _this.emit('close');
+ });
+};
-// HELPER FUNCTIONS
-// ================
+function done(stream, er, data) {
+ if (er) return stream.emit('error', er);
-var BP = Buffer.prototype
+ if (data !== null && data !== undefined) stream.push(data);
-/**
- * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods
- */
-Buffer._augment = function _augment (arr) {
- arr.constructor = Buffer
- arr._isBuffer = true
-
- // save reference to original Uint8Array set method before overwriting
- arr._set = arr.set
-
- // deprecated
- arr.get = BP.get
- arr.set = BP.set
-
- arr.write = BP.write
- arr.toString = BP.toString
- arr.toLocaleString = BP.toString
- arr.toJSON = BP.toJSON
- arr.equals = BP.equals
- arr.compare = BP.compare
- arr.indexOf = BP.indexOf
- arr.copy = BP.copy
- arr.slice = BP.slice
- arr.readUIntLE = BP.readUIntLE
- arr.readUIntBE = BP.readUIntBE
- arr.readUInt8 = BP.readUInt8
- arr.readUInt16LE = BP.readUInt16LE
- arr.readUInt16BE = BP.readUInt16BE
- arr.readUInt32LE = BP.readUInt32LE
- arr.readUInt32BE = BP.readUInt32BE
- arr.readIntLE = BP.readIntLE
- arr.readIntBE = BP.readIntBE
- arr.readInt8 = BP.readInt8
- arr.readInt16LE = BP.readInt16LE
- arr.readInt16BE = BP.readInt16BE
- arr.readInt32LE = BP.readInt32LE
- arr.readInt32BE = BP.readInt32BE
- arr.readFloatLE = BP.readFloatLE
- arr.readFloatBE = BP.readFloatBE
- arr.readDoubleLE = BP.readDoubleLE
- arr.readDoubleBE = BP.readDoubleBE
- arr.writeUInt8 = BP.writeUInt8
- arr.writeUIntLE = BP.writeUIntLE
- arr.writeUIntBE = BP.writeUIntBE
- arr.writeUInt16LE = BP.writeUInt16LE
- arr.writeUInt16BE = BP.writeUInt16BE
- arr.writeUInt32LE = BP.writeUInt32LE
- arr.writeUInt32BE = BP.writeUInt32BE
- arr.writeIntLE = BP.writeIntLE
- arr.writeIntBE = BP.writeIntBE
- arr.writeInt8 = BP.writeInt8
- arr.writeInt16LE = BP.writeInt16LE
- arr.writeInt16BE = BP.writeInt16BE
- arr.writeInt32LE = BP.writeInt32LE
- arr.writeInt32BE = BP.writeInt32BE
- arr.writeFloatLE = BP.writeFloatLE
- arr.writeFloatBE = BP.writeFloatBE
- arr.writeDoubleLE = BP.writeDoubleLE
- arr.writeDoubleBE = BP.writeDoubleBE
- arr.fill = BP.fill
- arr.inspect = BP.inspect
- arr.toArrayBuffer = BP.toArrayBuffer
+ // if there's nothing in the write buffer, then that means
+ // that nothing more will ever be provided
+ var ws = stream._writableState;
+ var ts = stream._transformState;
- return arr
-}
+ if (ws.length) throw new Error('Calling transform done when ws.length != 0');
-var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g
+ if (ts.transforming) throw new Error('Calling transform done when still transforming');
-function base64clean (str) {
- // Node strips out invalid characters like \n and \t from the string, base64-js does not
- str = stringtrim(str).replace(INVALID_BASE64_RE, '')
- // Node converts strings with length < 2 to ''
- if (str.length < 2) return ''
- // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
- while (str.length % 4 !== 0) {
- str = str + '='
- }
- return str
+ return stream.push(null);
}
+},{"./_stream_duplex":14,"core-util-is":5,"inherits":8}],18:[function(require,module,exports){
+(function (process,global){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
-function stringtrim (str) {
- if (str.trim) return str.trim()
- return str.replace(/^\s+|\s+$/g, '')
-}
+// A bit simpler than readable streams.
+// Implement an async ._write(chunk, encoding, cb), and it'll handle all
+// the drain event emission and buffering.
-function toHex (n) {
- if (n < 16) return '0' + n.toString(16)
- return n.toString(16)
-}
+'use strict';
-function utf8ToBytes (string, units) {
- units = units || Infinity
- var codePoint
- var length = string.length
- var leadSurrogate = null
- var bytes = []
+/*<replacement>*/
- for (var i = 0; i < length; i++) {
- codePoint = string.charCodeAt(i)
+var processNextTick = require('process-nextick-args');
+/*</replacement>*/
- // is surrogate component
- if (codePoint > 0xD7FF && codePoint < 0xE000) {
- // last char was a lead
- if (!leadSurrogate) {
- // no lead yet
- if (codePoint > 0xDBFF) {
- // unexpected trail
- if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
- continue
+module.exports = Writable;
- } else if (i + 1 === length) {
- // unpaired lead
- if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
- continue
- }
+/* <replacement> */
+function WriteReq(chunk, encoding, cb) {
+ this.chunk = chunk;
+ this.encoding = encoding;
+ this.callback = cb;
+ this.next = null;
+}
- // valid lead
- leadSurrogate = codePoint
+// It seems a linked list but it is not
+// there will be only 2 of these for each stream
+function CorkedRequest(state) {
+ var _this = this;
- continue
- }
+ this.next = null;
+ this.entry = null;
+ this.finish = function () {
+ onCorkedFinish(_this, state);
+ };
+}
+/* </replacement> */
- // 2 leads in a row
- if (codePoint < 0xDC00) {
- if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
- leadSurrogate = codePoint
- continue
- }
+/*<replacement>*/
+var asyncWrite = !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.slice(0, 5)) > -1 ? setImmediate : processNextTick;
+/*</replacement>*/
- // valid surrogate pair
- codePoint = leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00 | 0x10000
+/*<replacement>*/
+var Duplex;
+/*</replacement>*/
- } else if (leadSurrogate) {
- // valid bmp char, but last char was a lead
- if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
- }
+Writable.WritableState = WritableState;
- leadSurrogate = null
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
- // encode utf8
- if (codePoint < 0x80) {
- if ((units -= 1) < 0) break
- bytes.push(codePoint)
- } else if (codePoint < 0x800) {
- if ((units -= 2) < 0) break
- bytes.push(
- codePoint >> 0x6 | 0xC0,
- codePoint & 0x3F | 0x80
- )
- } else if (codePoint < 0x10000) {
- if ((units -= 3) < 0) break
- bytes.push(
- codePoint >> 0xC | 0xE0,
- codePoint >> 0x6 & 0x3F | 0x80,
- codePoint & 0x3F | 0x80
- )
- } else if (codePoint < 0x110000) {
- if ((units -= 4) < 0) break
- bytes.push(
- codePoint >> 0x12 | 0xF0,
- codePoint >> 0xC & 0x3F | 0x80,
- codePoint >> 0x6 & 0x3F | 0x80,
- codePoint & 0x3F | 0x80
- )
- } else {
- throw new Error('Invalid code point')
- }
- }
+/*<replacement>*/
+var internalUtil = {
+ deprecate: require('util-deprecate')
+};
+/*</replacement>*/
- return bytes
-}
+/*<replacement>*/
+var Stream = require('./internal/streams/stream');
+/*</replacement>*/
-function asciiToBytes (str) {
- var byteArray = []
- for (var i = 0; i < str.length; i++) {
- // Node's code seems to be doing this and not & 0x7F..
- byteArray.push(str.charCodeAt(i) & 0xFF)
- }
- return byteArray
+/*<replacement>*/
+var Buffer = require('safe-buffer').Buffer;
+var OurUint8Array = global.Uint8Array || function () {};
+function _uint8ArrayToBuffer(chunk) {
+ return Buffer.from(chunk);
+}
+function _isUint8Array(obj) {
+ return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
}
+/*</replacement>*/
-function utf16leToBytes (str, units) {
- var c, hi, lo
- var byteArray = []
- for (var i = 0; i < str.length; i++) {
- if ((units -= 2) < 0) break
+var destroyImpl = require('./internal/streams/destroy');
- c = str.charCodeAt(i)
- hi = c >> 8
- lo = c % 256
- byteArray.push(lo)
- byteArray.push(hi)
- }
+util.inherits(Writable, Stream);
- return byteArray
-}
+function nop() {}
-function base64ToBytes (str) {
- return base64.toByteArray(base64clean(str))
-}
+function WritableState(options, stream) {
+ Duplex = Duplex || require('./_stream_duplex');
-function blitBuffer (src, dst, offset, length) {
- for (var i = 0; i < length; i++) {
- if ((i + offset >= dst.length) || (i >= src.length)) break
- dst[i + offset] = src[i]
- }
- return i
-}
+ options = options || {};
-},{"base64-js":8,"ieee754":9,"is-array":10}],8:[function(require,module,exports){
-var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
-
-;(function (exports) {
- 'use strict';
-
- var Arr = (typeof Uint8Array !== 'undefined')
- ? Uint8Array
- : Array
-
- var PLUS = '+'.charCodeAt(0)
- var SLASH = '/'.charCodeAt(0)
- var NUMBER = '0'.charCodeAt(0)
- var LOWER = 'a'.charCodeAt(0)
- var UPPER = 'A'.charCodeAt(0)
- var PLUS_URL_SAFE = '-'.charCodeAt(0)
- var SLASH_URL_SAFE = '_'.charCodeAt(0)
-
- function decode (elt) {
- var code = elt.charCodeAt(0)
- if (code === PLUS ||
- code === PLUS_URL_SAFE)
- return 62 // '+'
- if (code === SLASH ||
- code === SLASH_URL_SAFE)
- return 63 // '/'
- if (code < NUMBER)
- return -1 //no match
- if (code < NUMBER + 10)
- return code - NUMBER + 26 + 26
- if (code < UPPER + 26)
- return code - UPPER
- if (code < LOWER + 26)
- return code - LOWER + 26
- }
+ // object stream flag to indicate whether or not this stream
+ // contains buffers or objects.
+ this.objectMode = !!options.objectMode;
- function b64ToByteArray (b64) {
- var i, j, l, tmp, placeHolders, arr
+ if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.writableObjectMode;
- if (b64.length % 4 > 0) {
- throw new Error('Invalid string. Length must be a multiple of 4')
- }
+ // the point at which write() starts returning false
+ // Note: 0 is a valid value, means that we always return false if
+ // the entire buffer is not flushed immediately on write()
+ var hwm = options.highWaterMark;
+ var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+ this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm;
- // the number of equal signs (place holders)
- // if there are two placeholders, than the two characters before it
- // represent one byte
- // if there is only one, then the three characters before it represent 2 bytes
- // this is just a cheap hack to not do indexOf twice
- var len = b64.length
- placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0
+ // cast to ints.
+ this.highWaterMark = Math.floor(this.highWaterMark);
- // base64 is 4/3 + up to two characters of the original data
- arr = new Arr(b64.length * 3 / 4 - placeHolders)
+ // if _final has been called
+ this.finalCalled = false;
- // if there are placeholders, only get up to the last complete 4 chars
- l = placeHolders > 0 ? b64.length - 4 : b64.length
+ // drain event flag.
+ this.needDrain = false;
+ // at the start of calling end()
+ this.ending = false;
+ // when end() has been called, and returned
+ this.ended = false;
+ // when 'finish' is emitted
+ this.finished = false;
- var L = 0
+ // has it been destroyed
+ this.destroyed = false;
- function push (v) {
- arr[L++] = v
- }
+ // should we decode strings into buffers before passing to _write?
+ // this is here so that some node-core streams can optimize string
+ // handling at a lower level.
+ var noDecode = options.decodeStrings === false;
+ this.decodeStrings = !noDecode;
- for (i = 0, j = 0; i < l; i += 4, j += 3) {
- tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3))
- push((tmp & 0xFF0000) >> 16)
- push((tmp & 0xFF00) >> 8)
- push(tmp & 0xFF)
- }
+ // Crypto is kind of old and crusty. Historically, its default string
+ // encoding is 'binary' so we have to make this configurable.
+ // Everything else in the universe uses 'utf8', though.
+ this.defaultEncoding = options.defaultEncoding || 'utf8';
- if (placeHolders === 2) {
- tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4)
- push(tmp & 0xFF)
- } else if (placeHolders === 1) {
- tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2)
- push((tmp >> 8) & 0xFF)
- push(tmp & 0xFF)
- }
+ // not an actual buffer we keep track of, but a measurement
+ // of how much we're waiting to get pushed to some underlying
+ // socket or file.
+ this.length = 0;
- return arr
- }
+ // a flag to see when we're in the middle of a write.
+ this.writing = false;
- function uint8ToBase64 (uint8) {
- var i,
- extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes
- output = "",
- temp, length
+ // when true all writes will be buffered until .uncork() call
+ this.corked = 0;
- function encode (num) {
- return lookup.charAt(num)
- }
+ // a flag to be able to tell if the onwrite cb is called immediately,
+ // or on a later tick. We set this to true at first, because any
+ // actions that shouldn't happen until "later" should generally also
+ // not happen before the first write call.
+ this.sync = true;
- function tripletToBase64 (num) {
- return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F)
- }
+ // a flag to know if we're processing previously buffered items, which
+ // may call the _write() callback in the same tick, so that we don't
+ // end up in an overlapped onwrite situation.
+ this.bufferProcessing = false;
- // go through the array every three bytes, we'll deal with trailing stuff later
- for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {
- temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
- output += tripletToBase64(temp)
- }
+ // the callback that's passed to _write(chunk,cb)
+ this.onwrite = function (er) {
+ onwrite(stream, er);
+ };
- // pad the end with zeros, but make sure to not forget the extra bytes
- switch (extraBytes) {
- case 1:
- temp = uint8[uint8.length - 1]
- output += encode(temp >> 2)
- output += encode((temp << 4) & 0x3F)
- output += '=='
- break
- case 2:
- temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1])
- output += encode(temp >> 10)
- output += encode((temp >> 4) & 0x3F)
- output += encode((temp << 2) & 0x3F)
- output += '='
- break
- }
+ // the callback that the user supplies to write(chunk,encoding,cb)
+ this.writecb = null;
- return output
- }
+ // the amount that is being written when _write is called.
+ this.writelen = 0;
- exports.toByteArray = b64ToByteArray
- exports.fromByteArray = uint8ToBase64
-}(typeof exports === 'undefined' ? (this.base64js = {}) : exports))
+ this.bufferedRequest = null;
+ this.lastBufferedRequest = null;
-},{}],9:[function(require,module,exports){
-exports.read = function (buffer, offset, isLE, mLen, nBytes) {
- var e, m
- var eLen = nBytes * 8 - mLen - 1
- var eMax = (1 << eLen) - 1
- var eBias = eMax >> 1
- var nBits = -7
- var i = isLE ? (nBytes - 1) : 0
- var d = isLE ? -1 : 1
- var s = buffer[offset + i]
+ // number of pending user-supplied write callbacks
+ // this must be 0 before 'finish' can be emitted
+ this.pendingcb = 0;
- i += d
+ // emit prefinish if the only thing we're waiting for is _write cbs
+ // This is relevant for synchronous Transform streams
+ this.prefinished = false;
- e = s & ((1 << (-nBits)) - 1)
- s >>= (-nBits)
- nBits += eLen
- for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+ // True if the error was already emitted and should not be thrown again
+ this.errorEmitted = false;
- m = e & ((1 << (-nBits)) - 1)
- e >>= (-nBits)
- nBits += mLen
- for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+ // count buffered requests
+ this.bufferedRequestCount = 0;
- if (e === 0) {
- e = 1 - eBias
- } else if (e === eMax) {
- return m ? NaN : ((s ? -1 : 1) * Infinity)
- } else {
- m = m + Math.pow(2, mLen)
- e = e - eBias
- }
- return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+ // allocate the first CorkedRequest, there is always
+ // one allocated and free to use, and we maintain at most two
+ this.corkedRequestsFree = new CorkedRequest(this);
}
-exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
- var e, m, c
- var eLen = nBytes * 8 - mLen - 1
- var eMax = (1 << eLen) - 1
- var eBias = eMax >> 1
- var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
- var i = isLE ? 0 : (nBytes - 1)
- var d = isLE ? 1 : -1
- var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
+WritableState.prototype.getBuffer = function getBuffer() {
+ var current = this.bufferedRequest;
+ var out = [];
+ while (current) {
+ out.push(current);
+ current = current.next;
+ }
+ return out;
+};
- value = Math.abs(value)
+(function () {
+ try {
+ Object.defineProperty(WritableState.prototype, 'buffer', {
+ get: internalUtil.deprecate(function () {
+ return this.getBuffer();
+ }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003')
+ });
+ } catch (_) {}
+})();
- if (isNaN(value) || value === Infinity) {
- m = isNaN(value) ? 1 : 0
- e = eMax
- } else {
- e = Math.floor(Math.log(value) / Math.LN2)
- if (value * (c = Math.pow(2, -e)) < 1) {
- e--
- c *= 2
- }
- if (e + eBias >= 1) {
- value += rt / c
- } else {
- value += rt * Math.pow(2, 1 - eBias)
- }
- if (value * c >= 2) {
- e++
- c /= 2
- }
+// Test _writableState for inheritance to account for Duplex streams,
+// whose prototype chain only points to Readable.
+var realHasInstance;
+if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {
+ realHasInstance = Function.prototype[Symbol.hasInstance];
+ Object.defineProperty(Writable, Symbol.hasInstance, {
+ value: function (object) {
+ if (realHasInstance.call(this, object)) return true;
- if (e + eBias >= eMax) {
- m = 0
- e = eMax
- } else if (e + eBias >= 1) {
- m = (value * c - 1) * Math.pow(2, mLen)
- e = e + eBias
- } else {
- m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
- e = 0
+ return object && object._writableState instanceof WritableState;
}
+ });
+} else {
+ realHasInstance = function (object) {
+ return object instanceof this;
+ };
+}
+
+function Writable(options) {
+ Duplex = Duplex || require('./_stream_duplex');
+
+ // Writable ctor is applied to Duplexes, too.
+ // `realHasInstance` is necessary because using plain `instanceof`
+ // would return false, as no `_writableState` property is attached.
+
+ // Trying to use the custom `instanceof` for Writable here will also break the
+ // Node.js LazyTransform implementation, which has a non-trivial getter for
+ // `_writableState` that would lead to infinite recursion.
+ if (!realHasInstance.call(Writable, this) && !(this instanceof Duplex)) {
+ return new Writable(options);
}
- for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+ this._writableState = new WritableState(options, this);
- e = (e << mLen) | m
- eLen += mLen
- for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+ // legacy.
+ this.writable = true;
- buffer[offset + i - d] |= s * 128
+ if (options) {
+ if (typeof options.write === 'function') this._write = options.write;
+
+ if (typeof options.writev === 'function') this._writev = options.writev;
+
+ if (typeof options.destroy === 'function') this._destroy = options.destroy;
+
+ if (typeof options.final === 'function') this._final = options.final;
+ }
+
+ Stream.call(this);
}
-},{}],10:[function(require,module,exports){
+// Otherwise people can pipe Writable streams, which is just wrong.
+Writable.prototype.pipe = function () {
+ this.emit('error', new Error('Cannot pipe, not readable'));
+};
-/**
- * isArray
- */
+function writeAfterEnd(stream, cb) {
+ var er = new Error('write after end');
+ // TODO: defer error events consistently everywhere, not just the cb
+ stream.emit('error', er);
+ processNextTick(cb, er);
+}
-var isArray = Array.isArray;
+// Checks that a user-supplied chunk is valid, especially for the particular
+// mode the stream is in. Currently this means that `null` is never accepted
+// and undefined/non-string values are only allowed in object mode.
+function validChunk(stream, state, chunk, cb) {
+ var valid = true;
+ var er = false;
-/**
- * toString
- */
+ if (chunk === null) {
+ er = new TypeError('May not write null values to stream');
+ } else if (typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+ er = new TypeError('Invalid non-string/buffer chunk');
+ }
+ if (er) {
+ stream.emit('error', er);
+ processNextTick(cb, er);
+ valid = false;
+ }
+ return valid;
+}
-var str = Object.prototype.toString;
+Writable.prototype.write = function (chunk, encoding, cb) {
+ var state = this._writableState;
+ var ret = false;
+ var isBuf = _isUint8Array(chunk) && !state.objectMode;
-/**
- * Whether or not the given `val`
- * is an array.
- *
- * example:
- *
- * isArray([]);
- * // > true
- * isArray(arguments);
- * // > false
- * isArray('');
- * // > false
- *
- * @param {mixed} val
- * @return {bool}
- */
+ if (isBuf && !Buffer.isBuffer(chunk)) {
+ chunk = _uint8ArrayToBuffer(chunk);
+ }
+
+ if (typeof encoding === 'function') {
+ cb = encoding;
+ encoding = null;
+ }
+
+ if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
+
+ if (typeof cb !== 'function') cb = nop;
+
+ if (state.ended) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) {
+ state.pendingcb++;
+ ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb);
+ }
-module.exports = isArray || function (val) {
- return !! val && '[object Array]' == str.call(val);
+ return ret;
};
-},{}],11:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
+Writable.prototype.cork = function () {
+ var state = this._writableState;
-function EventEmitter() {
- this._events = this._events || {};
- this._maxListeners = this._maxListeners || undefined;
-}
-module.exports = EventEmitter;
+ state.corked++;
+};
-// Backwards-compat with node 0.10.x
-EventEmitter.EventEmitter = EventEmitter;
+Writable.prototype.uncork = function () {
+ var state = this._writableState;
-EventEmitter.prototype._events = undefined;
-EventEmitter.prototype._maxListeners = undefined;
+ if (state.corked) {
+ state.corked--;
-// By default EventEmitters will print a warning if more than 10 listeners are
-// added to it. This is a useful default which helps finding memory leaks.
-EventEmitter.defaultMaxListeners = 10;
+ if (!state.writing && !state.corked && !state.finished && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
+ }
+};
-// Obviously not all Emitters should be limited to 10. This function allows
-// that to be increased. Set to zero for unlimited.
-EventEmitter.prototype.setMaxListeners = function(n) {
- if (!isNumber(n) || n < 0 || isNaN(n))
- throw TypeError('n must be a positive number');
- this._maxListeners = n;
+Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
+ // node::ParseEncoding() requires lower case.
+ if (typeof encoding === 'string') encoding = encoding.toLowerCase();
+ if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding);
+ this._writableState.defaultEncoding = encoding;
return this;
};
-EventEmitter.prototype.emit = function(type) {
- var er, handler, len, args, i, listeners;
+function decodeChunk(state, chunk, encoding) {
+ if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
+ chunk = Buffer.from(chunk, encoding);
+ }
+ return chunk;
+}
- if (!this._events)
- this._events = {};
+// if we're already writing something, then just put this
+// in the queue, and wait our turn. Otherwise, call _write
+// If we return false, then we need a drain event, so set that flag.
+function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) {
+ if (!isBuf) {
+ var newChunk = decodeChunk(state, chunk, encoding);
+ if (chunk !== newChunk) {
+ isBuf = true;
+ encoding = 'buffer';
+ chunk = newChunk;
+ }
+ }
+ var len = state.objectMode ? 1 : chunk.length;
- // If there is no 'error' event listener then throw.
- if (type === 'error') {
- if (!this._events.error ||
- (isObject(this._events.error) && !this._events.error.length)) {
- er = arguments[1];
- if (er instanceof Error) {
- throw er; // Unhandled 'error' event
- }
- throw TypeError('Uncaught, unspecified "error" event.');
+ state.length += len;
+
+ var ret = state.length < state.highWaterMark;
+ // we must ensure that previous needDrain will not be reset to false.
+ if (!ret) state.needDrain = true;
+
+ if (state.writing || state.corked) {
+ var last = state.lastBufferedRequest;
+ state.lastBufferedRequest = {
+ chunk: chunk,
+ encoding: encoding,
+ isBuf: isBuf,
+ callback: cb,
+ next: null
+ };
+ if (last) {
+ last.next = state.lastBufferedRequest;
+ } else {
+ state.bufferedRequest = state.lastBufferedRequest;
}
+ state.bufferedRequestCount += 1;
+ } else {
+ doWrite(stream, state, false, len, chunk, encoding, cb);
}
- handler = this._events[type];
+ return ret;
+}
- if (isUndefined(handler))
- return false;
+function doWrite(stream, state, writev, len, chunk, encoding, cb) {
+ state.writelen = len;
+ state.writecb = cb;
+ state.writing = true;
+ state.sync = true;
+ if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
+ state.sync = false;
+}
- if (isFunction(handler)) {
- switch (arguments.length) {
- // fast cases
- case 1:
- handler.call(this);
- break;
- case 2:
- handler.call(this, arguments[1]);
- break;
- case 3:
- handler.call(this, arguments[1], arguments[2]);
- break;
- // slower
- default:
- len = arguments.length;
- args = new Array(len - 1);
- for (i = 1; i < len; i++)
- args[i - 1] = arguments[i];
- handler.apply(this, args);
+function onwriteError(stream, state, sync, er, cb) {
+ --state.pendingcb;
+
+ if (sync) {
+ // defer the callback if we are being called synchronously
+ // to avoid piling up things on the stack
+ processNextTick(cb, er);
+ // this can emit finish, and it will always happen
+ // after error
+ processNextTick(finishMaybe, stream, state);
+ stream._writableState.errorEmitted = true;
+ stream.emit('error', er);
+ } else {
+ // the caller expect this to happen before if
+ // it is async
+ cb(er);
+ stream._writableState.errorEmitted = true;
+ stream.emit('error', er);
+ // this can emit finish, but finish must
+ // always follow error
+ finishMaybe(stream, state);
+ }
+}
+
+function onwriteStateUpdate(state) {
+ state.writing = false;
+ state.writecb = null;
+ state.length -= state.writelen;
+ state.writelen = 0;
+}
+
+function onwrite(stream, er) {
+ var state = stream._writableState;
+ var sync = state.sync;
+ var cb = state.writecb;
+
+ onwriteStateUpdate(state);
+
+ if (er) onwriteError(stream, state, sync, er, cb);else {
+ // Check if we're actually ready to finish, but don't emit yet
+ var finished = needFinish(state);
+
+ if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
+ clearBuffer(stream, state);
}
- } else if (isObject(handler)) {
- len = arguments.length;
- args = new Array(len - 1);
- for (i = 1; i < len; i++)
- args[i - 1] = arguments[i];
- listeners = handler.slice();
- len = listeners.length;
- for (i = 0; i < len; i++)
- listeners[i].apply(this, args);
+ if (sync) {
+ /*<replacement>*/
+ asyncWrite(afterWrite, stream, state, finished, cb);
+ /*</replacement>*/
+ } else {
+ afterWrite(stream, state, finished, cb);
+ }
}
+}
- return true;
-};
+function afterWrite(stream, state, finished, cb) {
+ if (!finished) onwriteDrain(stream, state);
+ state.pendingcb--;
+ cb();
+ finishMaybe(stream, state);
+}
-EventEmitter.prototype.addListener = function(type, listener) {
- var m;
+// Must force callback to be called on nextTick, so that we don't
+// emit 'drain' before the write() consumer gets the 'false' return
+// value, and has a chance to attach a 'drain' listener.
+function onwriteDrain(stream, state) {
+ if (state.length === 0 && state.needDrain) {
+ state.needDrain = false;
+ stream.emit('drain');
+ }
+}
- if (!isFunction(listener))
- throw TypeError('listener must be a function');
+// if there's something in the buffer waiting, then process it
+function clearBuffer(stream, state) {
+ state.bufferProcessing = true;
+ var entry = state.bufferedRequest;
- if (!this._events)
- this._events = {};
+ if (stream._writev && entry && entry.next) {
+ // Fast case, write everything using _writev()
+ var l = state.bufferedRequestCount;
+ var buffer = new Array(l);
+ var holder = state.corkedRequestsFree;
+ holder.entry = entry;
- // To avoid recursion in the case that type === "newListener"! Before
- // adding it to the listeners, first emit "newListener".
- if (this._events.newListener)
- this.emit('newListener', type,
- isFunction(listener.listener) ?
- listener.listener : listener);
+ var count = 0;
+ var allBuffers = true;
+ while (entry) {
+ buffer[count] = entry;
+ if (!entry.isBuf) allBuffers = false;
+ entry = entry.next;
+ count += 1;
+ }
+ buffer.allBuffers = allBuffers;
- if (!this._events[type])
- // Optimize the case of one listener. Don't need the extra array object.
- this._events[type] = listener;
- else if (isObject(this._events[type]))
- // If we've already got an array, just append.
- this._events[type].push(listener);
- else
- // Adding the second element, need to change to array.
- this._events[type] = [this._events[type], listener];
+ doWrite(stream, state, true, state.length, buffer, '', holder.finish);
- // Check for listener leak
- if (isObject(this._events[type]) && !this._events[type].warned) {
- var m;
- if (!isUndefined(this._maxListeners)) {
- m = this._maxListeners;
+ // doWrite is almost always async, defer these to save a bit of time
+ // as the hot path ends with doWrite
+ state.pendingcb++;
+ state.lastBufferedRequest = null;
+ if (holder.next) {
+ state.corkedRequestsFree = holder.next;
+ holder.next = null;
} else {
- m = EventEmitter.defaultMaxListeners;
+ state.corkedRequestsFree = new CorkedRequest(state);
}
+ } else {
+ // Slow case, write chunks one-by-one
+ while (entry) {
+ var chunk = entry.chunk;
+ var encoding = entry.encoding;
+ var cb = entry.callback;
+ var len = state.objectMode ? 1 : chunk.length;
- if (m && m > 0 && this._events[type].length > m) {
- this._events[type].warned = true;
- console.error('(node) warning: possible EventEmitter memory ' +
- 'leak detected. %d listeners added. ' +
- 'Use emitter.setMaxListeners() to increase limit.',
- this._events[type].length);
- if (typeof console.trace === 'function') {
- // not supported in IE 10
- console.trace();
+ doWrite(stream, state, false, len, chunk, encoding, cb);
+ entry = entry.next;
+ // if we didn't call the onwrite immediately, then
+ // it means that we need to wait until it does.
+ // also, that means that the chunk and cb are currently
+ // being processed, so move the buffer counter past them.
+ if (state.writing) {
+ break;
}
}
+
+ if (entry === null) state.lastBufferedRequest = null;
}
- return this;
+ state.bufferedRequestCount = 0;
+ state.bufferedRequest = entry;
+ state.bufferProcessing = false;
+}
+
+Writable.prototype._write = function (chunk, encoding, cb) {
+ cb(new Error('_write() is not implemented'));
};
-EventEmitter.prototype.on = EventEmitter.prototype.addListener;
+Writable.prototype._writev = null;
-EventEmitter.prototype.once = function(type, listener) {
- if (!isFunction(listener))
- throw TypeError('listener must be a function');
+Writable.prototype.end = function (chunk, encoding, cb) {
+ var state = this._writableState;
- var fired = false;
+ if (typeof chunk === 'function') {
+ cb = chunk;
+ chunk = null;
+ encoding = null;
+ } else if (typeof encoding === 'function') {
+ cb = encoding;
+ encoding = null;
+ }
- function g() {
- this.removeListener(type, g);
+ if (chunk !== null && chunk !== undefined) this.write(chunk, encoding);
- if (!fired) {
- fired = true;
- listener.apply(this, arguments);
- }
+ // .end() fully uncorks
+ if (state.corked) {
+ state.corked = 1;
+ this.uncork();
}
- g.listener = listener;
- this.on(type, g);
-
- return this;
+ // ignore unnecessary end() calls.
+ if (!state.ending && !state.finished) endWritable(this, state, cb);
};
-// emits a 'removeListener' event iff the listener was removed
-EventEmitter.prototype.removeListener = function(type, listener) {
- var list, position, length, i;
-
- if (!isFunction(listener))
- throw TypeError('listener must be a function');
-
- if (!this._events || !this._events[type])
- return this;
-
- list = this._events[type];
- length = list.length;
- position = -1;
-
- if (list === listener ||
- (isFunction(list.listener) && list.listener === listener)) {
- delete this._events[type];
- if (this._events.removeListener)
- this.emit('removeListener', type, listener);
-
- } else if (isObject(list)) {
- for (i = length; i-- > 0;) {
- if (list[i] === listener ||
- (list[i].listener && list[i].listener === listener)) {
- position = i;
- break;
- }
+function needFinish(state) {
+ return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
+}
+function callFinal(stream, state) {
+ stream._final(function (err) {
+ state.pendingcb--;
+ if (err) {
+ stream.emit('error', err);
}
-
- if (position < 0)
- return this;
-
- if (list.length === 1) {
- list.length = 0;
- delete this._events[type];
+ state.prefinished = true;
+ stream.emit('prefinish');
+ finishMaybe(stream, state);
+ });
+}
+function prefinish(stream, state) {
+ if (!state.prefinished && !state.finalCalled) {
+ if (typeof stream._final === 'function') {
+ state.pendingcb++;
+ state.finalCalled = true;
+ processNextTick(callFinal, stream, state);
} else {
- list.splice(position, 1);
+ state.prefinished = true;
+ stream.emit('prefinish');
}
-
- if (this._events.removeListener)
- this.emit('removeListener', type, listener);
}
+}
- return this;
-};
-
-EventEmitter.prototype.removeAllListeners = function(type) {
- var key, listeners;
-
- if (!this._events)
- return this;
+function finishMaybe(stream, state) {
+ var need = needFinish(state);
+ if (need) {
+ prefinish(stream, state);
+ if (state.pendingcb === 0) {
+ state.finished = true;
+ stream.emit('finish');
+ }
+ }
+ return need;
+}
- // not listening for removeListener, no need to emit
- if (!this._events.removeListener) {
- if (arguments.length === 0)
- this._events = {};
- else if (this._events[type])
- delete this._events[type];
- return this;
+function endWritable(stream, state, cb) {
+ state.ending = true;
+ finishMaybe(stream, state);
+ if (cb) {
+ if (state.finished) processNextTick(cb);else stream.once('finish', cb);
}
+ state.ended = true;
+ stream.writable = false;
+}
- // emit removeListener for all listeners on all events
- if (arguments.length === 0) {
- for (key in this._events) {
- if (key === 'removeListener') continue;
- this.removeAllListeners(key);
- }
- this.removeAllListeners('removeListener');
- this._events = {};
- return this;
+function onCorkedFinish(corkReq, state, err) {
+ var entry = corkReq.entry;
+ corkReq.entry = null;
+ while (entry) {
+ var cb = entry.callback;
+ state.pendingcb--;
+ cb(err);
+ entry = entry.next;
+ }
+ if (state.corkedRequestsFree) {
+ state.corkedRequestsFree.next = corkReq;
+ } else {
+ state.corkedRequestsFree = corkReq;
}
+}
- listeners = this._events[type];
+Object.defineProperty(Writable.prototype, 'destroyed', {
+ get: function () {
+ if (this._writableState === undefined) {
+ return false;
+ }
+ return this._writableState.destroyed;
+ },
+ set: function (value) {
+ // we ignore the value if the stream
+ // has not been initialized yet
+ if (!this._writableState) {
+ return;
+ }
- if (isFunction(listeners)) {
- this.removeListener(type, listeners);
- } else {
- // LIFO order
- while (listeners.length)
- this.removeListener(type, listeners[listeners.length - 1]);
+ // backward compatibility, the user is explicitly
+ // managing destroyed
+ this._writableState.destroyed = value;
}
- delete this._events[type];
+});
- return this;
+Writable.prototype.destroy = destroyImpl.destroy;
+Writable.prototype._undestroy = destroyImpl.undestroy;
+Writable.prototype._destroy = function (err, cb) {
+ this.end();
+ cb(err);
};
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./_stream_duplex":14,"./internal/streams/destroy":20,"./internal/streams/stream":21,"_process":12,"core-util-is":5,"inherits":8,"process-nextick-args":11,"safe-buffer":26,"util-deprecate":29}],19:[function(require,module,exports){
+'use strict';
-EventEmitter.prototype.listeners = function(type) {
- var ret;
- if (!this._events || !this._events[type])
- ret = [];
- else if (isFunction(this._events[type]))
- ret = [this._events[type]];
- else
- ret = this._events[type].slice();
- return ret;
-};
+/*<replacement>*/
-EventEmitter.listenerCount = function(emitter, type) {
- var ret;
- if (!emitter._events || !emitter._events[type])
- ret = 0;
- else if (isFunction(emitter._events[type]))
- ret = 1;
- else
- ret = emitter._events[type].length;
- return ret;
-};
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-function isFunction(arg) {
- return typeof arg === 'function';
-}
+var Buffer = require('safe-buffer').Buffer;
+/*</replacement>*/
-function isNumber(arg) {
- return typeof arg === 'number';
+function copyBuffer(src, target, offset) {
+ src.copy(target, offset);
}
-function isObject(arg) {
- return typeof arg === 'object' && arg !== null;
-}
+module.exports = function () {
+ function BufferList() {
+ _classCallCheck(this, BufferList);
-function isUndefined(arg) {
- return arg === void 0;
-}
+ this.head = null;
+ this.tail = null;
+ this.length = 0;
+ }
-},{}],12:[function(require,module,exports){
-if (typeof Object.create === 'function') {
- // implementation from standard node.js 'util' module
- module.exports = function inherits(ctor, superCtor) {
- ctor.super_ = superCtor
- ctor.prototype = Object.create(superCtor.prototype, {
- constructor: {
- value: ctor,
- enumerable: false,
- writable: true,
- configurable: true
- }
- });
+ BufferList.prototype.push = function push(v) {
+ var entry = { data: v, next: null };
+ if (this.length > 0) this.tail.next = entry;else this.head = entry;
+ this.tail = entry;
+ ++this.length;
};
-} else {
- // old school shim for old browsers
- module.exports = function inherits(ctor, superCtor) {
- ctor.super_ = superCtor
- var TempCtor = function () {}
- TempCtor.prototype = superCtor.prototype
- ctor.prototype = new TempCtor()
- ctor.prototype.constructor = ctor
- }
-}
-},{}],13:[function(require,module,exports){
-module.exports = Array.isArray || function (arr) {
- return Object.prototype.toString.call(arr) == '[object Array]';
-};
+ BufferList.prototype.unshift = function unshift(v) {
+ var entry = { data: v, next: this.head };
+ if (this.length === 0) this.tail = entry;
+ this.head = entry;
+ ++this.length;
+ };
-},{}],14:[function(require,module,exports){
-// shim for using process in browser
+ BufferList.prototype.shift = function shift() {
+ if (this.length === 0) return;
+ var ret = this.head.data;
+ if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
+ --this.length;
+ return ret;
+ };
-var process = module.exports = {};
-var queue = [];
-var draining = false;
-var currentQueue;
-var queueIndex = -1;
+ BufferList.prototype.clear = function clear() {
+ this.head = this.tail = null;
+ this.length = 0;
+ };
-function cleanUpNextTick() {
- draining = false;
- if (currentQueue.length) {
- queue = currentQueue.concat(queue);
- } else {
- queueIndex = -1;
- }
- if (queue.length) {
- drainQueue();
- }
-}
+ BufferList.prototype.join = function join(s) {
+ if (this.length === 0) return '';
+ var p = this.head;
+ var ret = '' + p.data;
+ while (p = p.next) {
+ ret += s + p.data;
+ }return ret;
+ };
-function drainQueue() {
- if (draining) {
- return;
+ BufferList.prototype.concat = function concat(n) {
+ if (this.length === 0) return Buffer.alloc(0);
+ if (this.length === 1) return this.head.data;
+ var ret = Buffer.allocUnsafe(n >>> 0);
+ var p = this.head;
+ var i = 0;
+ while (p) {
+ copyBuffer(p.data, ret, i);
+ i += p.data.length;
+ p = p.next;
}
- var timeout = setTimeout(cleanUpNextTick);
- draining = true;
+ return ret;
+ };
- var len = queue.length;
- while(len) {
- currentQueue = queue;
- queue = [];
- while (++queueIndex < len) {
- currentQueue[queueIndex].run();
- }
- queueIndex = -1;
- len = queue.length;
- }
- currentQueue = null;
- draining = false;
- clearTimeout(timeout);
-}
+ return BufferList;
+}();
+},{"safe-buffer":26}],20:[function(require,module,exports){
+'use strict';
-process.nextTick = function (fun) {
- var args = new Array(arguments.length - 1);
- if (arguments.length > 1) {
- for (var i = 1; i < arguments.length; i++) {
- args[i - 1] = arguments[i];
- }
- }
- queue.push(new Item(fun, args));
- if (queue.length === 1 && !draining) {
- setTimeout(drainQueue, 0);
- }
-};
+/*<replacement>*/
-// v8 likes predictible objects
-function Item(fun, array) {
- this.fun = fun;
- this.array = array;
-}
-Item.prototype.run = function () {
- this.fun.apply(null, this.array);
-};
-process.title = 'browser';
-process.browser = true;
-process.env = {};
-process.argv = [];
-process.version = ''; // empty string to avoid regexp issues
-process.versions = {};
+var processNextTick = require('process-nextick-args');
+/*</replacement>*/
-function noop() {}
+// undocumented cb() API, needed for core, not for public API
+function destroy(err, cb) {
+ var _this = this;
-process.on = noop;
-process.addListener = noop;
-process.once = noop;
-process.off = noop;
-process.removeListener = noop;
-process.removeAllListeners = noop;
-process.emit = noop;
+ var readableDestroyed = this._readableState && this._readableState.destroyed;
+ var writableDestroyed = this._writableState && this._writableState.destroyed;
-process.binding = function (name) {
- throw new Error('process.binding is not supported');
-};
+ if (readableDestroyed || writableDestroyed) {
+ if (cb) {
+ cb(err);
+ } else if (err && (!this._writableState || !this._writableState.errorEmitted)) {
+ processNextTick(emitErrorNT, this, err);
+ }
+ return;
+ }
-// TODO(shtylman)
-process.cwd = function () { return '/' };
-process.chdir = function (dir) {
- throw new Error('process.chdir is not supported');
-};
-process.umask = function() { return 0; };
+ // we set destroyed to true before firing error callbacks in order
+ // to make it re-entrance safe in case destroy() is called within callbacks
-},{}],15:[function(require,module,exports){
-module.exports = require("./lib/_stream_duplex.js")
+ if (this._readableState) {
+ this._readableState.destroyed = true;
+ }
-},{"./lib/_stream_duplex.js":16}],16:[function(require,module,exports){
-(function (process){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
+ // if this is a duplex stream mark the writable part as destroyed as well
+ if (this._writableState) {
+ this._writableState.destroyed = true;
+ }
-// a duplex stream is just a stream that is both readable and writable.
-// Since JS doesn't have multiple prototypal inheritance, this class
-// prototypally inherits from Readable, and then parasitically from
-// Writable.
+ this._destroy(err || null, function (err) {
+ if (!cb && err) {
+ processNextTick(emitErrorNT, _this, err);
+ if (_this._writableState) {
+ _this._writableState.errorEmitted = true;
+ }
+ } else if (cb) {
+ cb(err);
+ }
+ });
+}
-module.exports = Duplex;
+function undestroy() {
+ if (this._readableState) {
+ this._readableState.destroyed = false;
+ this._readableState.reading = false;
+ this._readableState.ended = false;
+ this._readableState.endEmitted = false;
+ }
-/*<replacement>*/
-var objectKeys = Object.keys || function (obj) {
- var keys = [];
- for (var key in obj) keys.push(key);
- return keys;
+ if (this._writableState) {
+ this._writableState.destroyed = false;
+ this._writableState.ended = false;
+ this._writableState.ending = false;
+ this._writableState.finished = false;
+ this._writableState.errorEmitted = false;
+ }
}
-/*</replacement>*/
+function emitErrorNT(self, err) {
+ self.emit('error', err);
+}
-/*<replacement>*/
-var util = require('core-util-is');
-util.inherits = require('inherits');
-/*</replacement>*/
+module.exports = {
+ destroy: destroy,
+ undestroy: undestroy
+};
+},{"process-nextick-args":11}],21:[function(require,module,exports){
+module.exports = require('events').EventEmitter;
-var Readable = require('./_stream_readable');
-var Writable = require('./_stream_writable');
+},{"events":6}],22:[function(require,module,exports){
+module.exports = require('./readable').PassThrough
-util.inherits(Duplex, Readable);
+},{"./readable":23}],23:[function(require,module,exports){
+exports = module.exports = require('./lib/_stream_readable.js');
+exports.Stream = exports;
+exports.Readable = exports;
+exports.Writable = require('./lib/_stream_writable.js');
+exports.Duplex = require('./lib/_stream_duplex.js');
+exports.Transform = require('./lib/_stream_transform.js');
+exports.PassThrough = require('./lib/_stream_passthrough.js');
-forEach(objectKeys(Writable.prototype), function(method) {
- if (!Duplex.prototype[method])
- Duplex.prototype[method] = Writable.prototype[method];
-});
+},{"./lib/_stream_duplex.js":14,"./lib/_stream_passthrough.js":15,"./lib/_stream_readable.js":16,"./lib/_stream_transform.js":17,"./lib/_stream_writable.js":18}],24:[function(require,module,exports){
+module.exports = require('./readable').Transform
-function Duplex(options) {
- if (!(this instanceof Duplex))
- return new Duplex(options);
+},{"./readable":23}],25:[function(require,module,exports){
+module.exports = require('./lib/_stream_writable.js');
- Readable.call(this, options);
- Writable.call(this, options);
+},{"./lib/_stream_writable.js":18}],26:[function(require,module,exports){
+/* eslint-disable node/no-deprecated-api */
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
- if (options && options.readable === false)
- this.readable = false;
+// alternative to using Object.keys for old browsers
+function copyProps (src, dst) {
+ for (var key in src) {
+ dst[key] = src[key]
+ }
+}
+if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
+ module.exports = buffer
+} else {
+ // Copy properties from require('buffer')
+ copyProps(buffer, exports)
+ exports.Buffer = SafeBuffer
+}
- if (options && options.writable === false)
- this.writable = false;
+function SafeBuffer (arg, encodingOrOffset, length) {
+ return Buffer(arg, encodingOrOffset, length)
+}
- this.allowHalfOpen = true;
- if (options && options.allowHalfOpen === false)
- this.allowHalfOpen = false;
+// Copy static methods from Buffer
+copyProps(Buffer, SafeBuffer)
- this.once('end', onend);
+SafeBuffer.from = function (arg, encodingOrOffset, length) {
+ if (typeof arg === 'number') {
+ throw new TypeError('Argument must not be a number')
+ }
+ return Buffer(arg, encodingOrOffset, length)
}
-// the no-half-open enforcer
-function onend() {
- // if we allow half-open state, or if the writable side ended,
- // then we're ok.
- if (this.allowHalfOpen || this._writableState.ended)
- return;
+SafeBuffer.alloc = function (size, fill, encoding) {
+ if (typeof size !== 'number') {
+ throw new TypeError('Argument must be a number')
+ }
+ var buf = Buffer(size)
+ if (fill !== undefined) {
+ if (typeof encoding === 'string') {
+ buf.fill(fill, encoding)
+ } else {
+ buf.fill(fill)
+ }
+ } else {
+ buf.fill(0)
+ }
+ return buf
+}
- // no more data can be written.
- // But allow more writes to happen in this tick.
- process.nextTick(this.end.bind(this));
+SafeBuffer.allocUnsafe = function (size) {
+ if (typeof size !== 'number') {
+ throw new TypeError('Argument must be a number')
+ }
+ return Buffer(size)
}
-function forEach (xs, f) {
- for (var i = 0, l = xs.length; i < l; i++) {
- f(xs[i], i);
+SafeBuffer.allocUnsafeSlow = function (size) {
+ if (typeof size !== 'number') {
+ throw new TypeError('Argument must be a number')
}
+ return buffer.SlowBuffer(size)
}
-}).call(this,require('_process'))
-},{"./_stream_readable":18,"./_stream_writable":20,"_process":14,"core-util-is":21,"inherits":12}],17:[function(require,module,exports){
+},{"buffer":4}],27:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
-// a passthrough stream.
-// basically just the most minimal sort of Transform stream.
-// Every written chunk gets output as-is.
-
-module.exports = PassThrough;
-
-var Transform = require('./_stream_transform');
+module.exports = Stream;
-/*<replacement>*/
-var util = require('core-util-is');
-util.inherits = require('inherits');
-/*</replacement>*/
+var EE = require('events').EventEmitter;
+var inherits = require('inherits');
-util.inherits(PassThrough, Transform);
+inherits(Stream, EE);
+Stream.Readable = require('readable-stream/readable.js');
+Stream.Writable = require('readable-stream/writable.js');
+Stream.Duplex = require('readable-stream/duplex.js');
+Stream.Transform = require('readable-stream/transform.js');
+Stream.PassThrough = require('readable-stream/passthrough.js');
-function PassThrough(options) {
- if (!(this instanceof PassThrough))
- return new PassThrough(options);
+// Backwards-compat with node 0.4.x
+Stream.Stream = Stream;
- Transform.call(this, options);
-}
-PassThrough.prototype._transform = function(chunk, encoding, cb) {
- cb(null, chunk);
-};
-},{"./_stream_transform":19,"core-util-is":21,"inherits":12}],18:[function(require,module,exports){
-(function (process){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
+// old-style streams. Note that the pipe method (the only relevant
+// part of this class) is overridden in the Readable class.
-module.exports = Readable;
+function Stream() {
+ EE.call(this);
+}
-/*<replacement>*/
-var isArray = require('isarray');
-/*</replacement>*/
+Stream.prototype.pipe = function(dest, options) {
+ var source = this;
+ function ondata(chunk) {
+ if (dest.writable) {
+ if (false === dest.write(chunk) && source.pause) {
+ source.pause();
+ }
+ }
+ }
-/*<replacement>*/
-var Buffer = require('buffer').Buffer;
-/*</replacement>*/
+ source.on('data', ondata);
-Readable.ReadableState = ReadableState;
+ function ondrain() {
+ if (source.readable && source.resume) {
+ source.resume();
+ }
+ }
-var EE = require('events').EventEmitter;
+ dest.on('drain', ondrain);
-/*<replacement>*/
-if (!EE.listenerCount) EE.listenerCount = function(emitter, type) {
- return emitter.listeners(type).length;
-};
-/*</replacement>*/
+ // If the 'end' option is not supplied, dest.end() will be called when
+ // source gets the 'end' or 'close' events. Only dest.end() once.
+ if (!dest._isStdio && (!options || options.end !== false)) {
+ source.on('end', onend);
+ source.on('close', onclose);
+ }
-var Stream = require('stream');
+ var didOnEnd = false;
+ function onend() {
+ if (didOnEnd) return;
+ didOnEnd = true;
-/*<replacement>*/
-var util = require('core-util-is');
-util.inherits = require('inherits');
-/*</replacement>*/
+ dest.end();
+ }
-var StringDecoder;
+ function onclose() {
+ if (didOnEnd) return;
+ didOnEnd = true;
-/*<replacement>*/
-var debug = require('util');
-if (debug && debug.debuglog) {
- debug = debug.debuglog('stream');
-} else {
- debug = function () {};
-}
-/*</replacement>*/
+ if (typeof dest.destroy === 'function') dest.destroy();
+ }
+ // don't leave dangling pipes when there are errors.
+ function onerror(er) {
+ cleanup();
+ if (EE.listenerCount(this, 'error') === 0) {
+ throw er; // Unhandled stream error in pipe.
+ }
+ }
-util.inherits(Readable, Stream);
+ source.on('error', onerror);
+ dest.on('error', onerror);
-function ReadableState(options, stream) {
- var Duplex = require('./_stream_duplex');
+ // remove all the event listeners that were added.
+ function cleanup() {
+ source.removeListener('data', ondata);
+ dest.removeListener('drain', ondrain);
- options = options || {};
+ source.removeListener('end', onend);
+ source.removeListener('close', onclose);
- // the point at which it stops calling _read() to fill the buffer
- // Note: 0 is a valid value, means "don't call _read preemptively ever"
- var hwm = options.highWaterMark;
- var defaultHwm = options.objectMode ? 16 : 16 * 1024;
- this.highWaterMark = (hwm || hwm === 0) ? hwm : defaultHwm;
+ source.removeListener('error', onerror);
+ dest.removeListener('error', onerror);
- // cast to ints.
- this.highWaterMark = ~~this.highWaterMark;
+ source.removeListener('end', cleanup);
+ source.removeListener('close', cleanup);
- this.buffer = [];
- this.length = 0;
- this.pipes = null;
- this.pipesCount = 0;
- this.flowing = null;
- this.ended = false;
- this.endEmitted = false;
- this.reading = false;
+ dest.removeListener('close', cleanup);
+ }
- // a flag to be able to tell if the onwrite cb is called immediately,
- // or on a later tick. We set this to true at first, because any
- // actions that shouldn't happen until "later" should generally also
- // not happen before the first write call.
- this.sync = true;
+ source.on('end', cleanup);
+ source.on('close', cleanup);
- // whenever we return null, then we set a flag to say
- // that we're awaiting a 'readable' event emission.
- this.needReadable = false;
- this.emittedReadable = false;
- this.readableListening = false;
+ dest.on('close', cleanup);
+ dest.emit('pipe', source);
- // object stream flag. Used to make read(n) ignore n and to
- // make all the buffer merging and length checks go away
- this.objectMode = !!options.objectMode;
+ // Allow for unix-like usage: A.pipe(B).pipe(C)
+ return dest;
+};
- if (stream instanceof Duplex)
- this.objectMode = this.objectMode || !!options.readableObjectMode;
+},{"events":6,"inherits":8,"readable-stream/duplex.js":13,"readable-stream/passthrough.js":22,"readable-stream/readable.js":23,"readable-stream/transform.js":24,"readable-stream/writable.js":25}],28:[function(require,module,exports){
+'use strict';
- // Crypto is kind of old and crusty. Historically, its default string
- // encoding is 'binary' so we have to make this configurable.
- // Everything else in the universe uses 'utf8', though.
- this.defaultEncoding = options.defaultEncoding || 'utf8';
+var Buffer = require('safe-buffer').Buffer;
- // when piping, we only care about 'readable' events that happen
- // after read()ing all the bytes and not getting any pushback.
- this.ranOut = false;
+var isEncoding = Buffer.isEncoding || function (encoding) {
+ encoding = '' + encoding;
+ switch (encoding && encoding.toLowerCase()) {
+ case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw':
+ return true;
+ default:
+ return false;
+ }
+};
- // the number of writers that are awaiting a drain event in .pipe()s
- this.awaitDrain = 0;
+function _normalizeEncoding(enc) {
+ if (!enc) return 'utf8';
+ var retried;
+ while (true) {
+ switch (enc) {
+ case 'utf8':
+ case 'utf-8':
+ return 'utf8';
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return 'utf16le';
+ case 'latin1':
+ case 'binary':
+ return 'latin1';
+ case 'base64':
+ case 'ascii':
+ case 'hex':
+ return enc;
+ default:
+ if (retried) return; // undefined
+ enc = ('' + enc).toLowerCase();
+ retried = true;
+ }
+ }
+};
- // if true, a maybeReadMore has been scheduled
- this.readingMore = false;
+// Do not cache `Buffer.isEncoding` when checking encoding names as some
+// modules monkey-patch it to support additional encodings
+function normalizeEncoding(enc) {
+ var nenc = _normalizeEncoding(enc);
+ if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc);
+ return nenc || enc;
+}
- this.decoder = null;
- this.encoding = null;
- if (options.encoding) {
- if (!StringDecoder)
- StringDecoder = require('string_decoder/').StringDecoder;
- this.decoder = new StringDecoder(options.encoding);
- this.encoding = options.encoding;
+// StringDecoder provides an interface for efficiently splitting a series of
+// buffers into a series of JS strings without breaking apart multi-byte
+// characters.
+exports.StringDecoder = StringDecoder;
+function StringDecoder(encoding) {
+ this.encoding = normalizeEncoding(encoding);
+ var nb;
+ switch (this.encoding) {
+ case 'utf16le':
+ this.text = utf16Text;
+ this.end = utf16End;
+ nb = 4;
+ break;
+ case 'utf8':
+ this.fillLast = utf8FillLast;
+ nb = 4;
+ break;
+ case 'base64':
+ this.text = base64Text;
+ this.end = base64End;
+ nb = 3;
+ break;
+ default:
+ this.write = simpleWrite;
+ this.end = simpleEnd;
+ return;
}
+ this.lastNeed = 0;
+ this.lastTotal = 0;
+ this.lastChar = Buffer.allocUnsafe(nb);
}
-function Readable(options) {
- var Duplex = require('./_stream_duplex');
+StringDecoder.prototype.write = function (buf) {
+ if (buf.length === 0) return '';
+ var r;
+ var i;
+ if (this.lastNeed) {
+ r = this.fillLast(buf);
+ if (r === undefined) return '';
+ i = this.lastNeed;
+ this.lastNeed = 0;
+ } else {
+ i = 0;
+ }
+ if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i);
+ return r || '';
+};
- if (!(this instanceof Readable))
- return new Readable(options);
+StringDecoder.prototype.end = utf8End;
- this._readableState = new ReadableState(options, this);
+// Returns only complete characters in a Buffer
+StringDecoder.prototype.text = utf8Text;
- // legacy
- this.readable = true;
+// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer
+StringDecoder.prototype.fillLast = function (buf) {
+ if (this.lastNeed <= buf.length) {
+ buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed);
+ return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+ }
+ buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length);
+ this.lastNeed -= buf.length;
+};
- Stream.call(this);
+// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a
+// continuation byte.
+function utf8CheckByte(byte) {
+ if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4;
+ return -1;
}
-// Manually shove something into the read() buffer.
-// This returns true if the highWaterMark has not been hit yet,
-// similar to how Writable.write() returns true if you should
-// write() some more.
-Readable.prototype.push = function(chunk, encoding) {
- var state = this._readableState;
-
- if (util.isString(chunk) && !state.objectMode) {
- encoding = encoding || state.defaultEncoding;
- if (encoding !== state.encoding) {
- chunk = new Buffer(chunk, encoding);
- encoding = '';
+// Checks at most 3 bytes at the end of a Buffer in order to detect an
+// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4)
+// needed to complete the UTF-8 character (if applicable) are returned.
+function utf8CheckIncomplete(self, buf, i) {
+ var j = buf.length - 1;
+ if (j < i) return 0;
+ var nb = utf8CheckByte(buf[j]);
+ if (nb >= 0) {
+ if (nb > 0) self.lastNeed = nb - 1;
+ return nb;
+ }
+ if (--j < i) return 0;
+ nb = utf8CheckByte(buf[j]);
+ if (nb >= 0) {
+ if (nb > 0) self.lastNeed = nb - 2;
+ return nb;
+ }
+ if (--j < i) return 0;
+ nb = utf8CheckByte(buf[j]);
+ if (nb >= 0) {
+ if (nb > 0) {
+ if (nb === 2) nb = 0;else self.lastNeed = nb - 3;
}
+ return nb;
}
+ return 0;
+}
- return readableAddChunk(this, state, chunk, encoding, false);
-};
-
-// Unshift should *always* be something directly out of read()
-Readable.prototype.unshift = function(chunk) {
- var state = this._readableState;
- return readableAddChunk(this, state, chunk, '', true);
-};
+// Validates as many continuation bytes for a multi-byte UTF-8 character as
+// needed or are available. If we see a non-continuation byte where we expect
+// one, we "replace" the validated continuation bytes we've seen so far with
+// UTF-8 replacement characters ('\ufffd'), to match v8's UTF-8 decoding
+// behavior. The continuation byte check is included three times in the case
+// where all of the continuation bytes for a character exist in the same buffer.
+// It is also done this way as a slight performance increase instead of using a
+// loop.
+function utf8CheckExtraBytes(self, buf, p) {
+ if ((buf[0] & 0xC0) !== 0x80) {
+ self.lastNeed = 0;
+ return '\ufffd'.repeat(p);
+ }
+ if (self.lastNeed > 1 && buf.length > 1) {
+ if ((buf[1] & 0xC0) !== 0x80) {
+ self.lastNeed = 1;
+ return '\ufffd'.repeat(p + 1);
+ }
+ if (self.lastNeed > 2 && buf.length > 2) {
+ if ((buf[2] & 0xC0) !== 0x80) {
+ self.lastNeed = 2;
+ return '\ufffd'.repeat(p + 2);
+ }
+ }
+ }
+}
-function readableAddChunk(stream, state, chunk, encoding, addToFront) {
- var er = chunkInvalid(state, chunk);
- if (er) {
- stream.emit('error', er);
- } else if (util.isNullOrUndefined(chunk)) {
- state.reading = false;
- if (!state.ended)
- onEofChunk(stream, state);
- } else if (state.objectMode || chunk && chunk.length > 0) {
- if (state.ended && !addToFront) {
- var e = new Error('stream.push() after EOF');
- stream.emit('error', e);
- } else if (state.endEmitted && addToFront) {
- var e = new Error('stream.unshift() after end event');
- stream.emit('error', e);
- } else {
- if (state.decoder && !addToFront && !encoding)
- chunk = state.decoder.write(chunk);
+// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer.
+function utf8FillLast(buf) {
+ var p = this.lastTotal - this.lastNeed;
+ var r = utf8CheckExtraBytes(this, buf, p);
+ if (r !== undefined) return r;
+ if (this.lastNeed <= buf.length) {
+ buf.copy(this.lastChar, p, 0, this.lastNeed);
+ return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+ }
+ buf.copy(this.lastChar, p, 0, buf.length);
+ this.lastNeed -= buf.length;
+}
- if (!addToFront)
- state.reading = false;
+// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a
+// partial character, the character's bytes are buffered until the required
+// number of bytes are available.
+function utf8Text(buf, i) {
+ var total = utf8CheckIncomplete(this, buf, i);
+ if (!this.lastNeed) return buf.toString('utf8', i);
+ this.lastTotal = total;
+ var end = buf.length - (total - this.lastNeed);
+ buf.copy(this.lastChar, 0, end);
+ return buf.toString('utf8', i, end);
+}
- // if we want the data now, just emit it.
- if (state.flowing && state.length === 0 && !state.sync) {
- stream.emit('data', chunk);
- stream.read(0);
- } else {
- // update the buffer info.
- state.length += state.objectMode ? 1 : chunk.length;
- if (addToFront)
- state.buffer.unshift(chunk);
- else
- state.buffer.push(chunk);
+// For UTF-8, a replacement character for each buffered byte of a (partial)
+// character needs to be added to the output.
+function utf8End(buf) {
+ var r = buf && buf.length ? this.write(buf) : '';
+ if (this.lastNeed) return r + '\ufffd'.repeat(this.lastTotal - this.lastNeed);
+ return r;
+}
- if (state.needReadable)
- emitReadable(stream);
+// UTF-16LE typically needs two bytes per character, but even if we have an even
+// number of bytes available, we need to check if we end on a leading/high
+// surrogate. In that case, we need to wait for the next two bytes in order to
+// decode the last character properly.
+function utf16Text(buf, i) {
+ if ((buf.length - i) % 2 === 0) {
+ var r = buf.toString('utf16le', i);
+ if (r) {
+ var c = r.charCodeAt(r.length - 1);
+ if (c >= 0xD800 && c <= 0xDBFF) {
+ this.lastNeed = 2;
+ this.lastTotal = 4;
+ this.lastChar[0] = buf[buf.length - 2];
+ this.lastChar[1] = buf[buf.length - 1];
+ return r.slice(0, -1);
}
-
- maybeReadMore(stream, state);
}
- } else if (!addToFront) {
- state.reading = false;
+ return r;
}
-
- return needMoreData(state);
+ this.lastNeed = 1;
+ this.lastTotal = 2;
+ this.lastChar[0] = buf[buf.length - 1];
+ return buf.toString('utf16le', i, buf.length - 1);
}
+// For UTF-16LE we do not explicitly append special replacement characters if we
+// end on a partial character, we simply let v8 handle that.
+function utf16End(buf) {
+ var r = buf && buf.length ? this.write(buf) : '';
+ if (this.lastNeed) {
+ var end = this.lastTotal - this.lastNeed;
+ return r + this.lastChar.toString('utf16le', 0, end);
+ }
+ return r;
+}
+function base64Text(buf, i) {
+ var n = (buf.length - i) % 3;
+ if (n === 0) return buf.toString('base64', i);
+ this.lastNeed = 3 - n;
+ this.lastTotal = 3;
+ if (n === 1) {
+ this.lastChar[0] = buf[buf.length - 1];
+ } else {
+ this.lastChar[0] = buf[buf.length - 2];
+ this.lastChar[1] = buf[buf.length - 1];
+ }
+ return buf.toString('base64', i, buf.length - n);
+}
-// if it's past the high water mark, we can push in some more.
-// Also, if we have no data yet, we can stand some
-// more bytes. This is to work around cases where hwm=0,
-// such as the repl. Also, if the push() triggered a
-// readable event, and the user called read(largeNumber) such that
-// needReadable was set, then we ought to push more, so that another
-// 'readable' event will be triggered.
-function needMoreData(state) {
- return !state.ended &&
- (state.needReadable ||
- state.length < state.highWaterMark ||
- state.length === 0);
+function base64End(buf) {
+ var r = buf && buf.length ? this.write(buf) : '';
+ if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed);
+ return r;
}
-// backwards compatibility.
-Readable.prototype.setEncoding = function(enc) {
- if (!StringDecoder)
- StringDecoder = require('string_decoder/').StringDecoder;
- this._readableState.decoder = new StringDecoder(enc);
- this._readableState.encoding = enc;
- return this;
-};
+// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex)
+function simpleWrite(buf) {
+ return buf.toString(this.encoding);
+}
-// Don't raise the hwm > 128MB
-var MAX_HWM = 0x800000;
-function roundUpToNextPowerOf2(n) {
- if (n >= MAX_HWM) {
- n = MAX_HWM;
- } else {
- // Get the next highest power of 2
- n--;
- for (var p = 1; p < 32; p <<= 1) n |= n >> p;
- n++;
- }
- return n;
+function simpleEnd(buf) {
+ return buf && buf.length ? this.write(buf) : '';
}
+},{"safe-buffer":26}],29:[function(require,module,exports){
+(function (global){
-function howMuchToRead(n, state) {
- if (state.length === 0 && state.ended)
- return 0;
+/**
+ * Module exports.
+ */
- if (state.objectMode)
- return n === 0 ? 0 : 1;
+module.exports = deprecate;
- if (isNaN(n) || util.isNull(n)) {
- // only flow one buffer at a time
- if (state.flowing && state.buffer.length)
- return state.buffer[0].length;
- else
- return state.length;
+/**
+ * Mark that a method should not be used.
+ * Returns a modified function which warns once by default.
+ *
+ * If `localStorage.noDeprecation = true` is set, then it is a no-op.
+ *
+ * If `localStorage.throwDeprecation = true` is set, then deprecated functions
+ * will throw an Error when invoked.
+ *
+ * If `localStorage.traceDeprecation = true` is set, then deprecated functions
+ * will invoke `console.trace()` instead of `console.error()`.
+ *
+ * @param {Function} fn - the function to deprecate
+ * @param {String} msg - the string to print to the console when `fn` is invoked
+ * @returns {Function} a new "deprecated" version of `fn`
+ * @api public
+ */
+
+function deprecate (fn, msg) {
+ if (config('noDeprecation')) {
+ return fn;
}
- if (n <= 0)
- return 0;
+ var warned = false;
+ function deprecated() {
+ if (!warned) {
+ if (config('throwDeprecation')) {
+ throw new Error(msg);
+ } else if (config('traceDeprecation')) {
+ console.trace(msg);
+ } else {
+ console.warn(msg);
+ }
+ warned = true;
+ }
+ return fn.apply(this, arguments);
+ }
- // If we're asking for more than the target buffer level,
- // then raise the water mark. Bump up to the next highest
- // power of 2, to prevent increasing it excessively in tiny
- // amounts.
- if (n > state.highWaterMark)
- state.highWaterMark = roundUpToNextPowerOf2(n);
-
- // don't have that much. return null, unless we've ended.
- if (n > state.length) {
- if (!state.ended) {
- state.needReadable = true;
- return 0;
- } else
- return state.length;
+ return deprecated;
+}
+
+/**
+ * Checks `localStorage` for boolean values for the given `name`.
+ *
+ * @param {String} name
+ * @returns {Boolean}
+ * @api private
+ */
+
+function config (name) {
+ // accessing global.localStorage can trigger a DOMException in sandboxed iframes
+ try {
+ if (!global.localStorage) return false;
+ } catch (_) {
+ return false;
}
+ var val = global.localStorage[name];
+ if (null == val) return false;
+ return String(val).toLowerCase() === 'true';
+}
- return n;
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],30:[function(require,module,exports){
+arguments[4][8][0].apply(exports,arguments)
+},{"dup":8}],31:[function(require,module,exports){
+module.exports = function isBuffer(arg) {
+ return arg && typeof arg === 'object'
+ && typeof arg.copy === 'function'
+ && typeof arg.fill === 'function'
+ && typeof arg.readUInt8 === 'function';
}
+},{}],32:[function(require,module,exports){
+(function (process,global){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
-// you can override either this method, or the async _read(n) below.
-Readable.prototype.read = function(n) {
- debug('read', n);
- var state = this._readableState;
- var nOrig = n;
+var formatRegExp = /%[sdj%]/g;
+exports.format = function(f) {
+ if (!isString(f)) {
+ var objects = [];
+ for (var i = 0; i < arguments.length; i++) {
+ objects.push(inspect(arguments[i]));
+ }
+ return objects.join(' ');
+ }
+
+ var i = 1;
+ var args = arguments;
+ var len = args.length;
+ var str = String(f).replace(formatRegExp, function(x) {
+ if (x === '%%') return '%';
+ if (i >= len) return x;
+ switch (x) {
+ case '%s': return String(args[i++]);
+ case '%d': return Number(args[i++]);
+ case '%j':
+ try {
+ return JSON.stringify(args[i++]);
+ } catch (_) {
+ return '[Circular]';
+ }
+ default:
+ return x;
+ }
+ });
+ for (var x = args[i]; i < len; x = args[++i]) {
+ if (isNull(x) || !isObject(x)) {
+ str += ' ' + x;
+ } else {
+ str += ' ' + inspect(x);
+ }
+ }
+ return str;
+};
- if (!util.isNumber(n) || n > 0)
- state.emittedReadable = false;
- // if we're doing read(0) to trigger a readable event, but we
- // already have a bunch of data in the buffer, then just trigger
- // the 'readable' event and move on.
- if (n === 0 &&
- state.needReadable &&
- (state.length >= state.highWaterMark || state.ended)) {
- debug('read: emitReadable', state.length, state.ended);
- if (state.length === 0 && state.ended)
- endReadable(this);
- else
- emitReadable(this);
- return null;
+// Mark that a method should not be used.
+// Returns a modified function which warns once by default.
+// If --no-deprecation is set, then it is a no-op.
+exports.deprecate = function(fn, msg) {
+ // Allow for deprecating things in the process of starting up.
+ if (isUndefined(global.process)) {
+ return function() {
+ return exports.deprecate(fn, msg).apply(this, arguments);
+ };
}
- n = howMuchToRead(n, state);
+ if (process.noDeprecation === true) {
+ return fn;
+ }
- // if we've ended, and we're now clear, then finish it up.
- if (n === 0 && state.ended) {
- if (state.length === 0)
- endReadable(this);
- return null;
+ var warned = false;
+ function deprecated() {
+ if (!warned) {
+ if (process.throwDeprecation) {
+ throw new Error(msg);
+ } else if (process.traceDeprecation) {
+ console.trace(msg);
+ } else {
+ console.error(msg);
+ }
+ warned = true;
+ }
+ return fn.apply(this, arguments);
}
- // All the actual chunk generation logic needs to be
- // *below* the call to _read. The reason is that in certain
- // synthetic stream cases, such as passthrough streams, _read
- // may be a completely synchronous operation which may change
- // the state of the read buffer, providing enough data when
- // before there was *not* enough.
- //
- // So, the steps are:
- // 1. Figure out what the state of things will be after we do
- // a read from the buffer.
- //
- // 2. If that resulting state will trigger a _read, then call _read.
- // Note that this may be asynchronous, or synchronous. Yes, it is
- // deeply ugly to write APIs this way, but that still doesn't mean
- // that the Readable class should behave improperly, as streams are
- // designed to be sync/async agnostic.
- // Take note if the _read call is sync or async (ie, if the read call
- // has returned yet), so that we know whether or not it's safe to emit
- // 'readable' etc.
- //
- // 3. Actually pull the requested chunks out of the buffer and return.
+ return deprecated;
+};
- // if we need a readable event, then we need to do some reading.
- var doRead = state.needReadable;
- debug('need readable', doRead);
- // if we currently have less than the highWaterMark, then also read some
- if (state.length === 0 || state.length - n < state.highWaterMark) {
- doRead = true;
- debug('length less than watermark', doRead);
+var debugs = {};
+var debugEnviron;
+exports.debuglog = function(set) {
+ if (isUndefined(debugEnviron))
+ debugEnviron = process.env.NODE_DEBUG || '';
+ set = set.toUpperCase();
+ if (!debugs[set]) {
+ if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
+ var pid = process.pid;
+ debugs[set] = function() {
+ var msg = exports.format.apply(exports, arguments);
+ console.error('%s %d: %s', set, pid, msg);
+ };
+ } else {
+ debugs[set] = function() {};
+ }
}
+ return debugs[set];
+};
- // however, if we've ended, then there's no point, and if we're already
- // reading, then it's unnecessary.
- if (state.ended || state.reading) {
- doRead = false;
- debug('reading or ended', doRead);
- }
- if (doRead) {
- debug('do read');
- state.reading = true;
- state.sync = true;
- // if the length is currently zero, then we *need* a readable event.
- if (state.length === 0)
- state.needReadable = true;
- // call internal read method
- this._read(state.highWaterMark);
- state.sync = false;
+/**
+ * Echos the value of a value. Trys to print the value out
+ * in the best way possible given the different types.
+ *
+ * @param {Object} obj The object to print out.
+ * @param {Object} opts Optional options object that alters the output.
+ */
+/* legacy: obj, showHidden, depth, colors*/
+function inspect(obj, opts) {
+ // default options
+ var ctx = {
+ seen: [],
+ stylize: stylizeNoColor
+ };
+ // legacy...
+ if (arguments.length >= 3) ctx.depth = arguments[2];
+ if (arguments.length >= 4) ctx.colors = arguments[3];
+ if (isBoolean(opts)) {
+ // legacy...
+ ctx.showHidden = opts;
+ } else if (opts) {
+ // got an "options" object
+ exports._extend(ctx, opts);
}
+ // set default options
+ if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
+ if (isUndefined(ctx.depth)) ctx.depth = 2;
+ if (isUndefined(ctx.colors)) ctx.colors = false;
+ if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
+ if (ctx.colors) ctx.stylize = stylizeWithColor;
+ return formatValue(ctx, obj, ctx.depth);
+}
+exports.inspect = inspect;
+
+
+// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+inspect.colors = {
+ 'bold' : [1, 22],
+ 'italic' : [3, 23],
+ 'underline' : [4, 24],
+ 'inverse' : [7, 27],
+ 'white' : [37, 39],
+ 'grey' : [90, 39],
+ 'black' : [30, 39],
+ 'blue' : [34, 39],
+ 'cyan' : [36, 39],
+ 'green' : [32, 39],
+ 'magenta' : [35, 39],
+ 'red' : [31, 39],
+ 'yellow' : [33, 39]
+};
+
+// Don't use 'blue' not visible on cmd.exe
+inspect.styles = {
+ 'special': 'cyan',
+ 'number': 'yellow',
+ 'boolean': 'yellow',
+ 'undefined': 'grey',
+ 'null': 'bold',
+ 'string': 'green',
+ 'date': 'magenta',
+ // "name": intentionally not styling
+ 'regexp': 'red'
+};
- // If _read pushed data synchronously, then `reading` will be false,
- // and we need to re-evaluate how much data we can return to the user.
- if (doRead && !state.reading)
- n = howMuchToRead(nOrig, state);
- var ret;
- if (n > 0)
- ret = fromList(n, state);
- else
- ret = null;
+function stylizeWithColor(str, styleType) {
+ var style = inspect.styles[styleType];
- if (util.isNull(ret)) {
- state.needReadable = true;
- n = 0;
+ if (style) {
+ return '\u001b[' + inspect.colors[style][0] + 'm' + str +
+ '\u001b[' + inspect.colors[style][1] + 'm';
+ } else {
+ return str;
}
+}
- state.length -= n;
- // If we have nothing in the buffer, then we want to know
- // as soon as we *do* get something into the buffer.
- if (state.length === 0 && !state.ended)
- state.needReadable = true;
+function stylizeNoColor(str, styleType) {
+ return str;
+}
- // If we tried to read() past the EOF, then emit end on the next tick.
- if (nOrig !== n && state.ended && state.length === 0)
- endReadable(this);
- if (!util.isNull(ret))
- this.emit('data', ret);
+function arrayToHash(array) {
+ var hash = {};
- return ret;
-};
+ array.forEach(function(val, idx) {
+ hash[val] = true;
+ });
-function chunkInvalid(state, chunk) {
- var er = null;
- if (!util.isBuffer(chunk) &&
- !util.isString(chunk) &&
- !util.isNullOrUndefined(chunk) &&
- !state.objectMode) {
- er = new TypeError('Invalid non-string/buffer chunk');
- }
- return er;
+ return hash;
}
-function onEofChunk(stream, state) {
- if (state.decoder && !state.ended) {
- var chunk = state.decoder.end();
- if (chunk && chunk.length) {
- state.buffer.push(chunk);
- state.length += state.objectMode ? 1 : chunk.length;
+function formatValue(ctx, value, recurseTimes) {
+ // Provide a hook for user-specified inspect functions.
+ // Check that value is an object with an inspect function on it
+ if (ctx.customInspect &&
+ value &&
+ isFunction(value.inspect) &&
+ // Filter out the util module, it's inspect function is special
+ value.inspect !== exports.inspect &&
+ // Also filter out any prototype objects using the circular check.
+ !(value.constructor && value.constructor.prototype === value)) {
+ var ret = value.inspect(recurseTimes, ctx);
+ if (!isString(ret)) {
+ ret = formatValue(ctx, ret, recurseTimes);
}
+ return ret;
}
- state.ended = true;
-
- // emit 'readable' now to make sure it gets picked up.
- emitReadable(stream);
-}
-// Don't emit readable right away in sync mode, because this can trigger
-// another read() call => stack overflow. This way, it might trigger
-// a nextTick recursion warning, but that's not so bad.
-function emitReadable(stream) {
- var state = stream._readableState;
- state.needReadable = false;
- if (!state.emittedReadable) {
- debug('emitReadable', state.flowing);
- state.emittedReadable = true;
- if (state.sync)
- process.nextTick(function() {
- emitReadable_(stream);
- });
- else
- emitReadable_(stream);
+ // Primitive types cannot have properties
+ var primitive = formatPrimitive(ctx, value);
+ if (primitive) {
+ return primitive;
}
-}
-
-function emitReadable_(stream) {
- debug('emit readable');
- stream.emit('readable');
- flow(stream);
-}
+ // Look up the keys of the object.
+ var keys = Object.keys(value);
+ var visibleKeys = arrayToHash(keys);
-// at this point, the user has presumably seen the 'readable' event,
-// and called read() to consume some data. that may have triggered
-// in turn another _read(n) call, in which case reading = true if
-// it's in progress.
-// However, if we're not ended, or reading, and the length < hwm,
-// then go ahead and try to read some more preemptively.
-function maybeReadMore(stream, state) {
- if (!state.readingMore) {
- state.readingMore = true;
- process.nextTick(function() {
- maybeReadMore_(stream, state);
- });
+ if (ctx.showHidden) {
+ keys = Object.getOwnPropertyNames(value);
}
-}
-function maybeReadMore_(stream, state) {
- var len = state.length;
- while (!state.reading && !state.flowing && !state.ended &&
- state.length < state.highWaterMark) {
- debug('maybeReadMore read 0');
- stream.read(0);
- if (len === state.length)
- // didn't get any data, stop spinning.
- break;
- else
- len = state.length;
+ // IE doesn't make error fields non-enumerable
+ // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
+ if (isError(value)
+ && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
+ return formatError(value);
}
- state.readingMore = false;
-}
-
-// abstract method. to be overridden in specific implementation classes.
-// call cb(er, data) where data is <= n in length.
-// for virtual (non-string, non-buffer) streams, "length" is somewhat
-// arbitrary, and perhaps not very meaningful.
-Readable.prototype._read = function(n) {
- this.emit('error', new Error('not implemented'));
-};
-Readable.prototype.pipe = function(dest, pipeOpts) {
- var src = this;
- var state = this._readableState;
-
- switch (state.pipesCount) {
- case 0:
- state.pipes = dest;
- break;
- case 1:
- state.pipes = [state.pipes, dest];
- break;
- default:
- state.pipes.push(dest);
- break;
+ // Some type of object without properties can be shortcutted.
+ if (keys.length === 0) {
+ if (isFunction(value)) {
+ var name = value.name ? ': ' + value.name : '';
+ return ctx.stylize('[Function' + name + ']', 'special');
+ }
+ if (isRegExp(value)) {
+ return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+ }
+ if (isDate(value)) {
+ return ctx.stylize(Date.prototype.toString.call(value), 'date');
+ }
+ if (isError(value)) {
+ return formatError(value);
+ }
}
- state.pipesCount += 1;
- debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
- var doEnd = (!pipeOpts || pipeOpts.end !== false) &&
- dest !== process.stdout &&
- dest !== process.stderr;
+ var base = '', array = false, braces = ['{', '}'];
- var endFn = doEnd ? onend : cleanup;
- if (state.endEmitted)
- process.nextTick(endFn);
- else
- src.once('end', endFn);
+ // Make Array say that they are Array
+ if (isArray(value)) {
+ array = true;
+ braces = ['[', ']'];
+ }
- dest.on('unpipe', onunpipe);
- function onunpipe(readable) {
- debug('onunpipe');
- if (readable === src) {
- cleanup();
- }
+ // Make functions say that they are functions
+ if (isFunction(value)) {
+ var n = value.name ? ': ' + value.name : '';
+ base = ' [Function' + n + ']';
}
- function onend() {
- debug('onend');
- dest.end();
+ // Make RegExps say that they are RegExps
+ if (isRegExp(value)) {
+ base = ' ' + RegExp.prototype.toString.call(value);
}
- // when the dest drains, it reduces the awaitDrain counter
- // on the source. This would be more elegant with a .once()
- // handler in flow(), but adding and removing repeatedly is
- // too slow.
- var ondrain = pipeOnDrain(src);
- dest.on('drain', ondrain);
+ // Make dates with properties first say the date
+ if (isDate(value)) {
+ base = ' ' + Date.prototype.toUTCString.call(value);
+ }
- function cleanup() {
- debug('cleanup');
- // cleanup event handlers once the pipe is broken
- dest.removeListener('close', onclose);
- dest.removeListener('finish', onfinish);
- dest.removeListener('drain', ondrain);
- dest.removeListener('error', onerror);
- dest.removeListener('unpipe', onunpipe);
- src.removeListener('end', onend);
- src.removeListener('end', cleanup);
- src.removeListener('data', ondata);
+ // Make error with message first say the error
+ if (isError(value)) {
+ base = ' ' + formatError(value);
+ }
- // if the reader is waiting for a drain event from this
- // specific writer, then it would cause it to never start
- // flowing again.
- // So, if this is awaiting a drain, then we just call it now.
- // If we don't know, then assume that we are waiting for one.
- if (state.awaitDrain &&
- (!dest._writableState || dest._writableState.needDrain))
- ondrain();
+ if (keys.length === 0 && (!array || value.length == 0)) {
+ return braces[0] + base + braces[1];
}
- src.on('data', ondata);
- function ondata(chunk) {
- debug('ondata');
- var ret = dest.write(chunk);
- if (false === ret) {
- debug('false write response, pause',
- src._readableState.awaitDrain);
- src._readableState.awaitDrain++;
- src.pause();
+ if (recurseTimes < 0) {
+ if (isRegExp(value)) {
+ return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+ } else {
+ return ctx.stylize('[Object]', 'special');
}
}
- // if the dest has an error, then stop piping into it.
- // however, don't suppress the throwing behavior for this.
- function onerror(er) {
- debug('onerror', er);
- unpipe();
- dest.removeListener('error', onerror);
- if (EE.listenerCount(dest, 'error') === 0)
- dest.emit('error', er);
- }
- // This is a brutally ugly hack to make sure that our error handler
- // is attached before any userland ones. NEVER DO THIS.
- if (!dest._events || !dest._events.error)
- dest.on('error', onerror);
- else if (isArray(dest._events.error))
- dest._events.error.unshift(onerror);
- else
- dest._events.error = [onerror, dest._events.error];
+ ctx.seen.push(value);
+ var output;
+ if (array) {
+ output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
+ } else {
+ output = keys.map(function(key) {
+ return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
+ });
+ }
+ ctx.seen.pop();
- // Both close and finish should trigger unpipe, but only once.
- function onclose() {
- dest.removeListener('finish', onfinish);
- unpipe();
- }
- dest.once('close', onclose);
- function onfinish() {
- debug('onfinish');
- dest.removeListener('close', onclose);
- unpipe();
- }
- dest.once('finish', onfinish);
+ return reduceToSingleString(output, base, braces);
+}
- function unpipe() {
- debug('unpipe');
- src.unpipe(dest);
+
+function formatPrimitive(ctx, value) {
+ if (isUndefined(value))
+ return ctx.stylize('undefined', 'undefined');
+ if (isString(value)) {
+ var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
+ .replace(/'/g, "\\'")
+ .replace(/\\"/g, '"') + '\'';
+ return ctx.stylize(simple, 'string');
}
+ if (isNumber(value))
+ return ctx.stylize('' + value, 'number');
+ if (isBoolean(value))
+ return ctx.stylize('' + value, 'boolean');
+ // For some reason typeof null is "object", so special case here.
+ if (isNull(value))
+ return ctx.stylize('null', 'null');
+}
- // tell the dest that it's being piped to
- dest.emit('pipe', src);
- // start the flow if it hasn't been started already.
- if (!state.flowing) {
- debug('pipe resume');
- src.resume();
- }
+function formatError(value) {
+ return '[' + Error.prototype.toString.call(value) + ']';
+}
- return dest;
-};
-function pipeOnDrain(src) {
- return function() {
- var state = src._readableState;
- debug('pipeOnDrain', state.awaitDrain);
- if (state.awaitDrain)
- state.awaitDrain--;
- if (state.awaitDrain === 0 && EE.listenerCount(src, 'data')) {
- state.flowing = true;
- flow(src);
+function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
+ var output = [];
+ for (var i = 0, l = value.length; i < l; ++i) {
+ if (hasOwnProperty(value, String(i))) {
+ output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+ String(i), true));
+ } else {
+ output.push('');
}
- };
+ }
+ keys.forEach(function(key) {
+ if (!key.match(/^\d+$/)) {
+ output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+ key, true));
+ }
+ });
+ return output;
}
-Readable.prototype.unpipe = function(dest) {
- var state = this._readableState;
+function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
+ var name, str, desc;
+ desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
+ if (desc.get) {
+ if (desc.set) {
+ str = ctx.stylize('[Getter/Setter]', 'special');
+ } else {
+ str = ctx.stylize('[Getter]', 'special');
+ }
+ } else {
+ if (desc.set) {
+ str = ctx.stylize('[Setter]', 'special');
+ }
+ }
+ if (!hasOwnProperty(visibleKeys, key)) {
+ name = '[' + key + ']';
+ }
+ if (!str) {
+ if (ctx.seen.indexOf(desc.value) < 0) {
+ if (isNull(recurseTimes)) {
+ str = formatValue(ctx, desc.value, null);
+ } else {
+ str = formatValue(ctx, desc.value, recurseTimes - 1);
+ }
+ if (str.indexOf('\n') > -1) {
+ if (array) {
+ str = str.split('\n').map(function(line) {
+ return ' ' + line;
+ }).join('\n').substr(2);
+ } else {
+ str = '\n' + str.split('\n').map(function(line) {
+ return ' ' + line;
+ }).join('\n');
+ }
+ }
+ } else {
+ str = ctx.stylize('[Circular]', 'special');
+ }
+ }
+ if (isUndefined(name)) {
+ if (array && key.match(/^\d+$/)) {
+ return str;
+ }
+ name = JSON.stringify('' + key);
+ if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
+ name = name.substr(1, name.length - 2);
+ name = ctx.stylize(name, 'name');
+ } else {
+ name = name.replace(/'/g, "\\'")
+ .replace(/\\"/g, '"')
+ .replace(/(^"|"$)/g, "'");
+ name = ctx.stylize(name, 'string');
+ }
+ }
- // if we're not piping anywhere, then do nothing.
- if (state.pipesCount === 0)
- return this;
+ return name + ': ' + str;
+}
- // just one destination. most common case.
- if (state.pipesCount === 1) {
- // passed in one, but it's not the right one.
- if (dest && dest !== state.pipes)
- return this;
- if (!dest)
- dest = state.pipes;
+function reduceToSingleString(output, base, braces) {
+ var numLinesEst = 0;
+ var length = output.reduce(function(prev, cur) {
+ numLinesEst++;
+ if (cur.indexOf('\n') >= 0) numLinesEst++;
+ return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
+ }, 0);
- // got a match.
- state.pipes = null;
- state.pipesCount = 0;
- state.flowing = false;
- if (dest)
- dest.emit('unpipe', this);
- return this;
+ if (length > 60) {
+ return braces[0] +
+ (base === '' ? '' : base + '\n ') +
+ ' ' +
+ output.join(',\n ') +
+ ' ' +
+ braces[1];
}
- // slow case. multiple pipe destinations.
+ return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+}
- if (!dest) {
- // remove all.
- var dests = state.pipes;
- var len = state.pipesCount;
- state.pipes = null;
- state.pipesCount = 0;
- state.flowing = false;
- for (var i = 0; i < len; i++)
- dests[i].emit('unpipe', this);
- return this;
- }
+// NOTE: These type checking functions intentionally don't use `instanceof`
+// because it is fragile and can be easily faked with `Object.create()`.
+function isArray(ar) {
+ return Array.isArray(ar);
+}
+exports.isArray = isArray;
- // try to find the right one.
- var i = indexOf(state.pipes, dest);
- if (i === -1)
- return this;
+function isBoolean(arg) {
+ return typeof arg === 'boolean';
+}
+exports.isBoolean = isBoolean;
- state.pipes.splice(i, 1);
- state.pipesCount -= 1;
- if (state.pipesCount === 1)
- state.pipes = state.pipes[0];
+function isNull(arg) {
+ return arg === null;
+}
+exports.isNull = isNull;
- dest.emit('unpipe', this);
+function isNullOrUndefined(arg) {
+ return arg == null;
+}
+exports.isNullOrUndefined = isNullOrUndefined;
- return this;
-};
+function isNumber(arg) {
+ return typeof arg === 'number';
+}
+exports.isNumber = isNumber;
-// set up data events if they are asked for
-// Ensure readable listeners eventually get something
-Readable.prototype.on = function(ev, fn) {
- var res = Stream.prototype.on.call(this, ev, fn);
+function isString(arg) {
+ return typeof arg === 'string';
+}
+exports.isString = isString;
- // If listening to data, and it has not explicitly been paused,
- // then call resume to start the flow of data on the next tick.
- if (ev === 'data' && false !== this._readableState.flowing) {
- this.resume();
- }
+function isSymbol(arg) {
+ return typeof arg === 'symbol';
+}
+exports.isSymbol = isSymbol;
- if (ev === 'readable' && this.readable) {
- var state = this._readableState;
- if (!state.readableListening) {
- state.readableListening = true;
- state.emittedReadable = false;
- state.needReadable = true;
- if (!state.reading) {
- var self = this;
- process.nextTick(function() {
- debug('readable nexttick read 0');
- self.read(0);
- });
- } else if (state.length) {
- emitReadable(this, state);
- }
- }
- }
+function isUndefined(arg) {
+ return arg === void 0;
+}
+exports.isUndefined = isUndefined;
- return res;
-};
-Readable.prototype.addListener = Readable.prototype.on;
+function isRegExp(re) {
+ return isObject(re) && objectToString(re) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
-// pause() and resume() are remnants of the legacy readable stream API
-// If the user uses them, then switch into old mode.
-Readable.prototype.resume = function() {
- var state = this._readableState;
- if (!state.flowing) {
- debug('resume');
- state.flowing = true;
- if (!state.reading) {
- debug('resume read 0');
- this.read(0);
- }
- resume(this, state);
- }
- return this;
-};
+function isObject(arg) {
+ return typeof arg === 'object' && arg !== null;
+}
+exports.isObject = isObject;
-function resume(stream, state) {
- if (!state.resumeScheduled) {
- state.resumeScheduled = true;
- process.nextTick(function() {
- resume_(stream, state);
- });
- }
+function isDate(d) {
+ return isObject(d) && objectToString(d) === '[object Date]';
}
+exports.isDate = isDate;
-function resume_(stream, state) {
- state.resumeScheduled = false;
- stream.emit('resume');
- flow(stream);
- if (state.flowing && !state.reading)
- stream.read(0);
+function isError(e) {
+ return isObject(e) &&
+ (objectToString(e) === '[object Error]' || e instanceof Error);
}
+exports.isError = isError;
-Readable.prototype.pause = function() {
- debug('call pause flowing=%j', this._readableState.flowing);
- if (false !== this._readableState.flowing) {
- debug('pause');
- this._readableState.flowing = false;
- this.emit('pause');
- }
- return this;
-};
+function isFunction(arg) {
+ return typeof arg === 'function';
+}
+exports.isFunction = isFunction;
-function flow(stream) {
- var state = stream._readableState;
- debug('flow', state.flowing);
- if (state.flowing) {
- do {
- var chunk = stream.read();
- } while (null !== chunk && state.flowing);
- }
+function isPrimitive(arg) {
+ return arg === null ||
+ typeof arg === 'boolean' ||
+ typeof arg === 'number' ||
+ typeof arg === 'string' ||
+ typeof arg === 'symbol' || // ES6 symbol
+ typeof arg === 'undefined';
}
+exports.isPrimitive = isPrimitive;
-// wrap an old-style stream as the async data source.
-// This is *not* part of the readable stream interface.
-// It is an ugly unfortunate mess of history.
-Readable.prototype.wrap = function(stream) {
- var state = this._readableState;
- var paused = false;
+exports.isBuffer = require('./support/isBuffer');
- var self = this;
- stream.on('end', function() {
- debug('wrapped end');
- if (state.decoder && !state.ended) {
- var chunk = state.decoder.end();
- if (chunk && chunk.length)
- self.push(chunk);
- }
+function objectToString(o) {
+ return Object.prototype.toString.call(o);
+}
- self.push(null);
- });
- stream.on('data', function(chunk) {
- debug('wrapped data');
- if (state.decoder)
- chunk = state.decoder.write(chunk);
- if (!chunk || !state.objectMode && !chunk.length)
- return;
+function pad(n) {
+ return n < 10 ? '0' + n.toString(10) : n.toString(10);
+}
- var ret = self.push(chunk);
- if (!ret) {
- paused = true;
- stream.pause();
- }
- });
- // proxy all the other methods.
- // important when wrapping filters and duplexes.
- for (var i in stream) {
- if (util.isFunction(stream[i]) && util.isUndefined(this[i])) {
- this[i] = function(method) { return function() {
- return stream[method].apply(stream, arguments);
- }}(i);
- }
- }
+var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
+ 'Oct', 'Nov', 'Dec'];
- // proxy certain important events.
- var events = ['error', 'close', 'destroy', 'pause', 'resume'];
- forEach(events, function(ev) {
- stream.on(ev, self.emit.bind(self, ev));
- });
+// 26 Feb 16:19:34
+function timestamp() {
+ var d = new Date();
+ var time = [pad(d.getHours()),
+ pad(d.getMinutes()),
+ pad(d.getSeconds())].join(':');
+ return [d.getDate(), months[d.getMonth()], time].join(' ');
+}
- // when we try to consume some more bytes, simply unpause the
- // underlying stream.
- self._read = function(n) {
- debug('wrapped _read', n);
- if (paused) {
- paused = false;
- stream.resume();
- }
- };
- return self;
+// log is just a thin wrapper to console.log that prepends a timestamp
+exports.log = function() {
+ console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
};
+/**
+ * Inherit the prototype methods from one constructor into another.
+ *
+ * The Function.prototype.inherits from lang.js rewritten as a standalone
+ * function (not on Function.prototype). NOTE: If this file is to be loaded
+ * during bootstrapping this function needs to be rewritten using some native
+ * functions as prototype setup using normal JavaScript does not work as
+ * expected during bootstrapping (see mirror.js in r114903).
+ *
+ * @param {function} ctor Constructor function which needs to inherit the
+ * prototype.
+ * @param {function} superCtor Constructor function to inherit prototype from.
+ */
+exports.inherits = require('inherits');
+
+exports._extend = function(origin, add) {
+ // Don't do anything if add isn't an object
+ if (!add || !isObject(add)) return origin;
-// exposed for testing purposes only.
-Readable._fromList = fromList;
+ var keys = Object.keys(add);
+ var i = keys.length;
+ while (i--) {
+ origin[keys[i]] = add[keys[i]];
+ }
+ return origin;
+};
-// Pluck off n bytes from an array of buffers.
-// Length is the combined lengths of all the buffers in the list.
-function fromList(n, state) {
- var list = state.buffer;
- var length = state.length;
- var stringMode = !!state.decoder;
- var objectMode = !!state.objectMode;
- var ret;
+function hasOwnProperty(obj, prop) {
+ return Object.prototype.hasOwnProperty.call(obj, prop);
+}
- // nothing in the list, definitely empty.
- if (list.length === 0)
- return null;
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./support/isBuffer":31,"_process":12,"inherits":30}],33:[function(require,module,exports){
+module.exports = {
+ base58: require('bs58'),
+ bitcoin: require('bitcoinjs-lib'),
+ ecurve: require('ecurve'),
+ BigInteger: require('bigi')
+}
- if (length === 0)
- ret = null;
- else if (objectMode)
- ret = list.shift();
- else if (!n || n >= length) {
- // read it all, truncate the array.
- if (stringMode)
- ret = list.join('');
- else
- ret = Buffer.concat(list, length);
- list.length = 0;
- } else {
- // read just some of it.
- if (n < list[0].length) {
- // just take a part of the first list item.
- // slice is the same for buffers and strings.
- var buf = list[0];
- ret = buf.slice(0, n);
- list[0] = buf.slice(n);
- } else if (n === list[0].length) {
- // first list is a perfect match
- ret = list.shift();
- } else {
- // complex case.
- // we have enough to cover it, but it spans past the first buffer.
- if (stringMode)
- ret = '';
- else
- ret = new Buffer(n);
+},{"bigi":37,"bitcoinjs-lib":50,"bs58":79,"ecurve":89}],34:[function(require,module,exports){
+// base-x encoding
+// Forked from https://github.com/cryptocoinjs/bs58
+// Originally written by Mike Hearn for BitcoinJ
+// Copyright (c) 2011 Google Inc
+// Ported to JavaScript by Stefan Thomas
+// Merged Buffer refactorings from base58-native by Stephen Pair
+// Copyright (c) 2013 BitPay Inc
- var c = 0;
- for (var i = 0, l = list.length; i < l && c < n; i++) {
- var buf = list[0];
- var cpy = Math.min(n - c, buf.length);
+var Buffer = require('safe-buffer').Buffer
- if (stringMode)
- ret += buf.slice(0, cpy);
- else
- buf.copy(ret, c, 0, cpy);
+module.exports = function base (ALPHABET) {
+ var ALPHABET_MAP = {}
+ var BASE = ALPHABET.length
+ var LEADER = ALPHABET.charAt(0)
- if (cpy < buf.length)
- list[0] = buf.slice(cpy);
- else
- list.shift();
+ // pre-compute lookup table
+ for (var z = 0; z < ALPHABET.length; z++) {
+ var x = ALPHABET.charAt(z)
- c += cpy;
- }
- }
+ if (ALPHABET_MAP[x] !== undefined) throw new TypeError(x + ' is ambiguous')
+ ALPHABET_MAP[x] = z
}
- return ret;
-}
-
-function endReadable(stream) {
- var state = stream._readableState;
+ function encode (source) {
+ if (source.length === 0) return ''
- // If we get here before consuming all the bytes, then that is a
- // bug in node. Should never happen.
- if (state.length > 0)
- throw new Error('endReadable called on non-empty stream');
+ var digits = [0]
+ for (var i = 0; i < source.length; ++i) {
+ for (var j = 0, carry = source[i]; j < digits.length; ++j) {
+ carry += digits[j] << 8
+ digits[j] = carry % BASE
+ carry = (carry / BASE) | 0
+ }
- if (!state.endEmitted) {
- state.ended = true;
- process.nextTick(function() {
- // Check that we didn't get one last unshift.
- if (!state.endEmitted && state.length === 0) {
- state.endEmitted = true;
- stream.readable = false;
- stream.emit('end');
+ while (carry > 0) {
+ digits.push(carry % BASE)
+ carry = (carry / BASE) | 0
}
- });
- }
-}
+ }
-function forEach (xs, f) {
- for (var i = 0, l = xs.length; i < l; i++) {
- f(xs[i], i);
- }
-}
+ var string = ''
-function indexOf (xs, x) {
- for (var i = 0, l = xs.length; i < l; i++) {
- if (xs[i] === x) return i;
- }
- return -1;
-}
+ // deal with leading zeros
+ for (var k = 0; source[k] === 0 && k < source.length - 1; ++k) string += ALPHABET[0]
+ // convert digits to a string
+ for (var q = digits.length - 1; q >= 0; --q) string += ALPHABET[digits[q]]
-}).call(this,require('_process'))
-},{"./_stream_duplex":16,"_process":14,"buffer":7,"core-util-is":21,"events":11,"inherits":12,"isarray":13,"stream":26,"string_decoder/":27,"util":6}],19:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
+ return string
+ }
+ function decodeUnsafe (string) {
+ if (string.length === 0) return Buffer.allocUnsafe(0)
-// a transform stream is a readable/writable stream where you do
-// something with the data. Sometimes it's called a "filter",
-// but that's not a great name for it, since that implies a thing where
-// some bits pass through, and others are simply ignored. (That would
-// be a valid example of a transform, of course.)
-//
-// While the output is causally related to the input, it's not a
-// necessarily symmetric or synchronous transformation. For example,
-// a zlib stream might take multiple plain-text writes(), and then
-// emit a single compressed chunk some time in the future.
-//
-// Here's how this works:
-//
-// The Transform stream has all the aspects of the readable and writable
-// stream classes. When you write(chunk), that calls _write(chunk,cb)
-// internally, and returns false if there's a lot of pending writes
-// buffered up. When you call read(), that calls _read(n) until
-// there's enough pending readable data buffered up.
-//
-// In a transform stream, the written data is placed in a buffer. When
-// _read(n) is called, it transforms the queued up data, calling the
-// buffered _write cb's as it consumes chunks. If consuming a single
-// written chunk would result in multiple output chunks, then the first
-// outputted bit calls the readcb, and subsequent chunks just go into
-// the read buffer, and will cause it to emit 'readable' if necessary.
-//
-// This way, back-pressure is actually determined by the reading side,
-// since _read has to be called to start processing a new chunk. However,
-// a pathological inflate type of transform can cause excessive buffering
-// here. For example, imagine a stream where every byte of input is
-// interpreted as an integer from 0-255, and then results in that many
-// bytes of output. Writing the 4 bytes {ff,ff,ff,ff} would result in
-// 1kb of data being output. In this case, you could write a very small
-// amount of input, and end up with a very large amount of output. In
-// such a pathological inflating mechanism, there'd be no way to tell
-// the system to stop doing the transform. A single 4MB write could
-// cause the system to run out of memory.
-//
-// However, even in such a pathological case, only a single written chunk
-// would be consumed, and then the rest would wait (un-transformed) until
-// the results of the previous transformed chunk were consumed.
+ var bytes = [0]
+ for (var i = 0; i < string.length; i++) {
+ var value = ALPHABET_MAP[string[i]]
+ if (value === undefined) return
-module.exports = Transform;
+ for (var j = 0, carry = value; j < bytes.length; ++j) {
+ carry += bytes[j] * BASE
+ bytes[j] = carry & 0xff
+ carry >>= 8
+ }
-var Duplex = require('./_stream_duplex');
+ while (carry > 0) {
+ bytes.push(carry & 0xff)
+ carry >>= 8
+ }
+ }
-/*<replacement>*/
-var util = require('core-util-is');
-util.inherits = require('inherits');
-/*</replacement>*/
+ // deal with leading zeros
+ for (var k = 0; string[k] === LEADER && k < string.length - 1; ++k) {
+ bytes.push(0)
+ }
-util.inherits(Transform, Duplex);
+ return Buffer.from(bytes.reverse())
+ }
+ function decode (string) {
+ var buffer = decodeUnsafe(string)
+ if (buffer) return buffer
-function TransformState(options, stream) {
- this.afterTransform = function(er, data) {
- return afterTransform(stream, er, data);
- };
+ throw new Error('Non-base' + BASE + ' character')
+ }
- this.needTransform = false;
- this.transforming = false;
- this.writecb = null;
- this.writechunk = null;
+ return {
+ encode: encode,
+ decodeUnsafe: decodeUnsafe,
+ decode: decode
+ }
}
-function afterTransform(stream, er, data) {
- var ts = stream._transformState;
- ts.transforming = false;
+},{"safe-buffer":98}],35:[function(require,module,exports){
+// (public) Constructor
+function BigInteger(a, b, c) {
+ if (!(this instanceof BigInteger))
+ return new BigInteger(a, b, c)
- var cb = ts.writecb;
+ if (a != null) {
+ if ("number" == typeof a) this.fromNumber(a, b, c)
+ else if (b == null && "string" != typeof a) this.fromString(a, 256)
+ else this.fromString(a, b)
+ }
+}
- if (!cb)
- return stream.emit('error', new Error('no writecb in Transform class'));
+var proto = BigInteger.prototype
- ts.writechunk = null;
- ts.writecb = null;
+// duck-typed isBigInteger
+proto.__bigi = require('../package.json').version
+BigInteger.isBigInteger = function (obj, check_ver) {
+ return obj && obj.__bigi && (!check_ver || obj.__bigi === proto.__bigi)
+}
- if (!util.isNullOrUndefined(data))
- stream.push(data);
+// Bits per digit
+var dbits
- if (cb)
- cb(er);
+// am: Compute w_j += (x*this_i), propagate carries,
+// c is initial carry, returns final carry.
+// c < 3*dvalue, x < 2*dvalue, this_i < dvalue
+// We need to select the fastest one that works in this environment.
- var rs = stream._readableState;
- rs.reading = false;
- if (rs.needReadable || rs.length < rs.highWaterMark) {
- stream._read(rs.highWaterMark);
+// am1: use a single mult and divide to get the high bits,
+// max digit bits should be 26 because
+// max internal value = 2*dvalue^2-2*dvalue (< 2^53)
+function am1(i, x, w, j, c, n) {
+ while (--n >= 0) {
+ var v = x * this[i++] + w[j] + c
+ c = Math.floor(v / 0x4000000)
+ w[j++] = v & 0x3ffffff
+ }
+ return c
+}
+// am2 avoids a big mult-and-extract completely.
+// Max digit bits should be <= 30 because we do bitwise ops
+// on values up to 2*hdvalue^2-hdvalue-1 (< 2^31)
+function am2(i, x, w, j, c, n) {
+ var xl = x & 0x7fff,
+ xh = x >> 15
+ while (--n >= 0) {
+ var l = this[i] & 0x7fff
+ var h = this[i++] >> 15
+ var m = xh * l + h * xl
+ l = xl * l + ((m & 0x7fff) << 15) + w[j] + (c & 0x3fffffff)
+ c = (l >>> 30) + (m >>> 15) + xh * h + (c >>> 30)
+ w[j++] = l & 0x3fffffff
+ }
+ return c
+}
+// Alternately, set max digit bits to 28 since some
+// browsers slow down when dealing with 32-bit numbers.
+function am3(i, x, w, j, c, n) {
+ var xl = x & 0x3fff,
+ xh = x >> 14
+ while (--n >= 0) {
+ var l = this[i] & 0x3fff
+ var h = this[i++] >> 14
+ var m = xh * l + h * xl
+ l = xl * l + ((m & 0x3fff) << 14) + w[j] + c
+ c = (l >> 28) + (m >> 14) + xh * h
+ w[j++] = l & 0xfffffff
}
+ return c
}
+// wtf?
+BigInteger.prototype.am = am1
+dbits = 26
-function Transform(options) {
- if (!(this instanceof Transform))
- return new Transform(options);
+BigInteger.prototype.DB = dbits
+BigInteger.prototype.DM = ((1 << dbits) - 1)
+var DV = BigInteger.prototype.DV = (1 << dbits)
- Duplex.call(this, options);
+var BI_FP = 52
+BigInteger.prototype.FV = Math.pow(2, BI_FP)
+BigInteger.prototype.F1 = BI_FP - dbits
+BigInteger.prototype.F2 = 2 * dbits - BI_FP
- this._transformState = new TransformState(options, this);
+// Digit conversions
+var BI_RM = "0123456789abcdefghijklmnopqrstuvwxyz"
+var BI_RC = new Array()
+var rr, vv
+rr = "0".charCodeAt(0)
+for (vv = 0; vv <= 9; ++vv) BI_RC[rr++] = vv
+rr = "a".charCodeAt(0)
+for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv
+rr = "A".charCodeAt(0)
+for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv
- // when the writable side finishes, then flush out anything remaining.
- var stream = this;
+function int2char(n) {
+ return BI_RM.charAt(n)
+}
- // start out asking for a readable event once data is transformed.
- this._readableState.needReadable = true;
+function intAt(s, i) {
+ var c = BI_RC[s.charCodeAt(i)]
+ return (c == null) ? -1 : c
+}
- // we have implemented the _read method, and done the other things
- // that Readable wants before the first _read call, so unset the
- // sync guard flag.
- this._readableState.sync = false;
+// (protected) copy this to r
+function bnpCopyTo(r) {
+ for (var i = this.t - 1; i >= 0; --i) r[i] = this[i]
+ r.t = this.t
+ r.s = this.s
+}
- this.once('prefinish', function() {
- if (util.isFunction(this._flush))
- this._flush(function(er) {
- done(stream, er);
- });
- else
- done(stream);
- });
+// (protected) set from integer value x, -DV <= x < DV
+function bnpFromInt(x) {
+ this.t = 1
+ this.s = (x < 0) ? -1 : 0
+ if (x > 0) this[0] = x
+ else if (x < -1) this[0] = x + DV
+ else this.t = 0
}
-Transform.prototype.push = function(chunk, encoding) {
- this._transformState.needTransform = false;
- return Duplex.prototype.push.call(this, chunk, encoding);
-};
+// return bigint initialized to value
+function nbv(i) {
+ var r = new BigInteger()
+ r.fromInt(i)
+ return r
+}
-// This is the part where you do stuff!
-// override this function in implementation classes.
-// 'chunk' is an input chunk.
-//
-// Call `push(newChunk)` to pass along transformed output
-// to the readable side. You may call 'push' zero or more times.
-//
-// Call `cb(err)` when you are done with this chunk. If you pass
-// an error, then that'll put the hurt on the whole operation. If you
-// never call cb(), then you'll never get another chunk.
-Transform.prototype._transform = function(chunk, encoding, cb) {
- throw new Error('not implemented');
-};
+// (protected) set from string and radix
+function bnpFromString(s, b) {
+ var self = this
-Transform.prototype._write = function(chunk, encoding, cb) {
- var ts = this._transformState;
- ts.writecb = cb;
- ts.writechunk = chunk;
- ts.writeencoding = encoding;
- if (!ts.transforming) {
- var rs = this._readableState;
- if (ts.needTransform ||
- rs.needReadable ||
- rs.length < rs.highWaterMark)
- this._read(rs.highWaterMark);
+ var k
+ if (b == 16) k = 4
+ else if (b == 8) k = 3
+ else if (b == 256) k = 8; // byte array
+ else if (b == 2) k = 1
+ else if (b == 32) k = 5
+ else if (b == 4) k = 2
+ else {
+ self.fromRadix(s, b)
+ return
}
-};
-
-// Doesn't matter what the args are here.
-// _transform does all the work.
-// That we got here means that the readable side wants more data.
-Transform.prototype._read = function(n) {
- var ts = this._transformState;
-
- if (!util.isNull(ts.writechunk) && ts.writecb && !ts.transforming) {
- ts.transforming = true;
- this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
- } else {
- // mark that we need a transform, so that any data that comes in
- // will get processed, now that we've asked for it.
- ts.needTransform = true;
+ self.t = 0
+ self.s = 0
+ var i = s.length,
+ mi = false,
+ sh = 0
+ while (--i >= 0) {
+ var x = (k == 8) ? s[i] & 0xff : intAt(s, i)
+ if (x < 0) {
+ if (s.charAt(i) == "-") mi = true
+ continue
+ }
+ mi = false
+ if (sh == 0)
+ self[self.t++] = x
+ else if (sh + k > self.DB) {
+ self[self.t - 1] |= (x & ((1 << (self.DB - sh)) - 1)) << sh
+ self[self.t++] = (x >> (self.DB - sh))
+ } else
+ self[self.t - 1] |= x << sh
+ sh += k
+ if (sh >= self.DB) sh -= self.DB
}
-};
-
-
-function done(stream, er) {
- if (er)
- return stream.emit('error', er);
-
- // if there's nothing in the write buffer, then that means
- // that nothing more will ever be provided
- var ws = stream._writableState;
- var ts = stream._transformState;
-
- if (ws.length)
- throw new Error('calling transform done when ws.length != 0');
-
- if (ts.transforming)
- throw new Error('calling transform done when still transforming');
-
- return stream.push(null);
+ if (k == 8 && (s[0] & 0x80) != 0) {
+ self.s = -1
+ if (sh > 0) self[self.t - 1] |= ((1 << (self.DB - sh)) - 1) << sh
+ }
+ self.clamp()
+ if (mi) BigInteger.ZERO.subTo(self, self)
}
-},{"./_stream_duplex":16,"core-util-is":21,"inherits":12}],20:[function(require,module,exports){
-(function (process){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-// A bit simpler than readable streams.
-// Implement an async ._write(chunk, cb), and it'll handle all
-// the drain event emission and buffering.
+// (protected) clamp off excess high words
+function bnpClamp() {
+ var c = this.s & this.DM
+ while (this.t > 0 && this[this.t - 1] == c)--this.t
+}
-module.exports = Writable;
+// (public) return string representation in given radix
+function bnToString(b) {
+ var self = this
+ if (self.s < 0) return "-" + self.negate()
+ .toString(b)
+ var k
+ if (b == 16) k = 4
+ else if (b == 8) k = 3
+ else if (b == 2) k = 1
+ else if (b == 32) k = 5
+ else if (b == 4) k = 2
+ else return self.toRadix(b)
+ var km = (1 << k) - 1,
+ d, m = false,
+ r = "",
+ i = self.t
+ var p = self.DB - (i * self.DB) % k
+ if (i-- > 0) {
+ if (p < self.DB && (d = self[i] >> p) > 0) {
+ m = true
+ r = int2char(d)
+ }
+ while (i >= 0) {
+ if (p < k) {
+ d = (self[i] & ((1 << p) - 1)) << (k - p)
+ d |= self[--i] >> (p += self.DB - k)
+ } else {
+ d = (self[i] >> (p -= k)) & km
+ if (p <= 0) {
+ p += self.DB
+ --i
+ }
+ }
+ if (d > 0) m = true
+ if (m) r += int2char(d)
+ }
+ }
+ return m ? r : "0"
+}
-/*<replacement>*/
-var Buffer = require('buffer').Buffer;
-/*</replacement>*/
+// (public) -this
+function bnNegate() {
+ var r = new BigInteger()
+ BigInteger.ZERO.subTo(this, r)
+ return r
+}
-Writable.WritableState = WritableState;
+// (public) |this|
+function bnAbs() {
+ return (this.s < 0) ? this.negate() : this
+}
+// (public) return + if this > a, - if this < a, 0 if equal
+function bnCompareTo(a) {
+ var r = this.s - a.s
+ if (r != 0) return r
+ var i = this.t
+ r = i - a.t
+ if (r != 0) return (this.s < 0) ? -r : r
+ while (--i >= 0)
+ if ((r = this[i] - a[i]) != 0) return r
+ return 0
+}
-/*<replacement>*/
-var util = require('core-util-is');
-util.inherits = require('inherits');
-/*</replacement>*/
+// returns bit length of the integer x
+function nbits(x) {
+ var r = 1,
+ t
+ if ((t = x >>> 16) != 0) {
+ x = t
+ r += 16
+ }
+ if ((t = x >> 8) != 0) {
+ x = t
+ r += 8
+ }
+ if ((t = x >> 4) != 0) {
+ x = t
+ r += 4
+ }
+ if ((t = x >> 2) != 0) {
+ x = t
+ r += 2
+ }
+ if ((t = x >> 1) != 0) {
+ x = t
+ r += 1
+ }
+ return r
+}
-var Stream = require('stream');
+// (public) return the number of bits in "this"
+function bnBitLength() {
+ if (this.t <= 0) return 0
+ return this.DB * (this.t - 1) + nbits(this[this.t - 1] ^ (this.s & this.DM))
+}
-util.inherits(Writable, Stream);
+// (public) return the number of bytes in "this"
+function bnByteLength() {
+ return this.bitLength() >> 3
+}
-function WriteReq(chunk, encoding, cb) {
- this.chunk = chunk;
- this.encoding = encoding;
- this.callback = cb;
+// (protected) r = this << n*DB
+function bnpDLShiftTo(n, r) {
+ var i
+ for (i = this.t - 1; i >= 0; --i) r[i + n] = this[i]
+ for (i = n - 1; i >= 0; --i) r[i] = 0
+ r.t = this.t + n
+ r.s = this.s
}
-function WritableState(options, stream) {
- var Duplex = require('./_stream_duplex');
+// (protected) r = this >> n*DB
+function bnpDRShiftTo(n, r) {
+ for (var i = n; i < this.t; ++i) r[i - n] = this[i]
+ r.t = Math.max(this.t - n, 0)
+ r.s = this.s
+}
- options = options || {};
+// (protected) r = this << n
+function bnpLShiftTo(n, r) {
+ var self = this
+ var bs = n % self.DB
+ var cbs = self.DB - bs
+ var bm = (1 << cbs) - 1
+ var ds = Math.floor(n / self.DB),
+ c = (self.s << bs) & self.DM,
+ i
+ for (i = self.t - 1; i >= 0; --i) {
+ r[i + ds + 1] = (self[i] >> cbs) | c
+ c = (self[i] & bm) << bs
+ }
+ for (i = ds - 1; i >= 0; --i) r[i] = 0
+ r[ds] = c
+ r.t = self.t + ds + 1
+ r.s = self.s
+ r.clamp()
+}
- // the point at which write() starts returning false
- // Note: 0 is a valid value, means that we always return false if
- // the entire buffer is not flushed immediately on write()
- var hwm = options.highWaterMark;
- var defaultHwm = options.objectMode ? 16 : 16 * 1024;
- this.highWaterMark = (hwm || hwm === 0) ? hwm : defaultHwm;
+// (protected) r = this >> n
+function bnpRShiftTo(n, r) {
+ var self = this
+ r.s = self.s
+ var ds = Math.floor(n / self.DB)
+ if (ds >= self.t) {
+ r.t = 0
+ return
+ }
+ var bs = n % self.DB
+ var cbs = self.DB - bs
+ var bm = (1 << bs) - 1
+ r[0] = self[ds] >> bs
+ for (var i = ds + 1; i < self.t; ++i) {
+ r[i - ds - 1] |= (self[i] & bm) << cbs
+ r[i - ds] = self[i] >> bs
+ }
+ if (bs > 0) r[self.t - ds - 1] |= (self.s & bm) << cbs
+ r.t = self.t - ds
+ r.clamp()
+}
- // object stream flag to indicate whether or not this stream
- // contains buffers or objects.
- this.objectMode = !!options.objectMode;
+// (protected) r = this - a
+function bnpSubTo(a, r) {
+ var self = this
+ var i = 0,
+ c = 0,
+ m = Math.min(a.t, self.t)
+ while (i < m) {
+ c += self[i] - a[i]
+ r[i++] = c & self.DM
+ c >>= self.DB
+ }
+ if (a.t < self.t) {
+ c -= a.s
+ while (i < self.t) {
+ c += self[i]
+ r[i++] = c & self.DM
+ c >>= self.DB
+ }
+ c += self.s
+ } else {
+ c += self.s
+ while (i < a.t) {
+ c -= a[i]
+ r[i++] = c & self.DM
+ c >>= self.DB
+ }
+ c -= a.s
+ }
+ r.s = (c < 0) ? -1 : 0
+ if (c < -1) r[i++] = self.DV + c
+ else if (c > 0) r[i++] = c
+ r.t = i
+ r.clamp()
+}
- if (stream instanceof Duplex)
- this.objectMode = this.objectMode || !!options.writableObjectMode;
+// (protected) r = this * a, r != this,a (HAC 14.12)
+// "this" should be the larger one if appropriate.
+function bnpMultiplyTo(a, r) {
+ var x = this.abs(),
+ y = a.abs()
+ var i = x.t
+ r.t = i + y.t
+ while (--i >= 0) r[i] = 0
+ for (i = 0; i < y.t; ++i) r[i + x.t] = x.am(0, y[i], r, i, 0, x.t)
+ r.s = 0
+ r.clamp()
+ if (this.s != a.s) BigInteger.ZERO.subTo(r, r)
+}
- // cast to ints.
- this.highWaterMark = ~~this.highWaterMark;
+// (protected) r = this^2, r != this (HAC 14.16)
+function bnpSquareTo(r) {
+ var x = this.abs()
+ var i = r.t = 2 * x.t
+ while (--i >= 0) r[i] = 0
+ for (i = 0; i < x.t - 1; ++i) {
+ var c = x.am(i, x[i], r, 2 * i, 0, 1)
+ if ((r[i + x.t] += x.am(i + 1, 2 * x[i], r, 2 * i + 1, c, x.t - i - 1)) >= x.DV) {
+ r[i + x.t] -= x.DV
+ r[i + x.t + 1] = 1
+ }
+ }
+ if (r.t > 0) r[r.t - 1] += x.am(i, x[i], r, 2 * i, 0, 1)
+ r.s = 0
+ r.clamp()
+}
- this.needDrain = false;
- // at the start of calling end()
- this.ending = false;
- // when end() has been called, and returned
- this.ended = false;
- // when 'finish' is emitted
- this.finished = false;
+// (protected) divide this by m, quotient and remainder to q, r (HAC 14.20)
+// r != q, this != m. q or r may be null.
+function bnpDivRemTo(m, q, r) {
+ var self = this
+ var pm = m.abs()
+ if (pm.t <= 0) return
+ var pt = self.abs()
+ if (pt.t < pm.t) {
+ if (q != null) q.fromInt(0)
+ if (r != null) self.copyTo(r)
+ return
+ }
+ if (r == null) r = new BigInteger()
+ var y = new BigInteger(),
+ ts = self.s,
+ ms = m.s
+ var nsh = self.DB - nbits(pm[pm.t - 1]); // normalize modulus
+ if (nsh > 0) {
+ pm.lShiftTo(nsh, y)
+ pt.lShiftTo(nsh, r)
+ } else {
+ pm.copyTo(y)
+ pt.copyTo(r)
+ }
+ var ys = y.t
+ var y0 = y[ys - 1]
+ if (y0 == 0) return
+ var yt = y0 * (1 << self.F1) + ((ys > 1) ? y[ys - 2] >> self.F2 : 0)
+ var d1 = self.FV / yt,
+ d2 = (1 << self.F1) / yt,
+ e = 1 << self.F2
+ var i = r.t,
+ j = i - ys,
+ t = (q == null) ? new BigInteger() : q
+ y.dlShiftTo(j, t)
+ if (r.compareTo(t) >= 0) {
+ r[r.t++] = 1
+ r.subTo(t, r)
+ }
+ BigInteger.ONE.dlShiftTo(ys, t)
+ t.subTo(y, y); // "negative" y so we can replace sub with am later
+ while (y.t < ys) y[y.t++] = 0
+ while (--j >= 0) {
+ // Estimate quotient digit
+ var qd = (r[--i] == y0) ? self.DM : Math.floor(r[i] * d1 + (r[i - 1] + e) * d2)
+ if ((r[i] += y.am(0, qd, r, j, 0, ys)) < qd) { // Try it out
+ y.dlShiftTo(j, t)
+ r.subTo(t, r)
+ while (r[i] < --qd) r.subTo(t, r)
+ }
+ }
+ if (q != null) {
+ r.drShiftTo(ys, q)
+ if (ts != ms) BigInteger.ZERO.subTo(q, q)
+ }
+ r.t = ys
+ r.clamp()
+ if (nsh > 0) r.rShiftTo(nsh, r); // Denormalize remainder
+ if (ts < 0) BigInteger.ZERO.subTo(r, r)
+}
- // should we decode strings into buffers before passing to _write?
- // this is here so that some node-core streams can optimize string
- // handling at a lower level.
- var noDecode = options.decodeStrings === false;
- this.decodeStrings = !noDecode;
+// (public) this mod a
+function bnMod(a) {
+ var r = new BigInteger()
+ this.abs()
+ .divRemTo(a, null, r)
+ if (this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r, r)
+ return r
+}
- // Crypto is kind of old and crusty. Historically, its default string
- // encoding is 'binary' so we have to make this configurable.
- // Everything else in the universe uses 'utf8', though.
- this.defaultEncoding = options.defaultEncoding || 'utf8';
+// Modular reduction using "classic" algorithm
+function Classic(m) {
+ this.m = m
+}
- // not an actual buffer we keep track of, but a measurement
- // of how much we're waiting to get pushed to some underlying
- // socket or file.
- this.length = 0;
+function cConvert(x) {
+ if (x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m)
+ else return x
+}
- // a flag to see when we're in the middle of a write.
- this.writing = false;
+function cRevert(x) {
+ return x
+}
- // when true all writes will be buffered until .uncork() call
- this.corked = 0;
+function cReduce(x) {
+ x.divRemTo(this.m, null, x)
+}
- // a flag to be able to tell if the onwrite cb is called immediately,
- // or on a later tick. We set this to true at first, because any
- // actions that shouldn't happen until "later" should generally also
- // not happen before the first write call.
- this.sync = true;
+function cMulTo(x, y, r) {
+ x.multiplyTo(y, r)
+ this.reduce(r)
+}
- // a flag to know if we're processing previously buffered items, which
- // may call the _write() callback in the same tick, so that we don't
- // end up in an overlapped onwrite situation.
- this.bufferProcessing = false;
+function cSqrTo(x, r) {
+ x.squareTo(r)
+ this.reduce(r)
+}
- // the callback that's passed to _write(chunk,cb)
- this.onwrite = function(er) {
- onwrite(stream, er);
- };
+Classic.prototype.convert = cConvert
+Classic.prototype.revert = cRevert
+Classic.prototype.reduce = cReduce
+Classic.prototype.mulTo = cMulTo
+Classic.prototype.sqrTo = cSqrTo
- // the callback that the user supplies to write(chunk,encoding,cb)
- this.writecb = null;
+// (protected) return "-1/this % 2^DB"; useful for Mont. reduction
+// justification:
+// xy == 1 (mod m)
+// xy = 1+km
+// xy(2-xy) = (1+km)(1-km)
+// x[y(2-xy)] = 1-k^2m^2
+// x[y(2-xy)] == 1 (mod m^2)
+// if y is 1/x mod m, then y(2-xy) is 1/x mod m^2
+// should reduce x and y(2-xy) by m^2 at each step to keep size bounded.
+// JS multiply "overflows" differently from C/C++, so care is needed here.
+function bnpInvDigit() {
+ if (this.t < 1) return 0
+ var x = this[0]
+ if ((x & 1) == 0) return 0
+ var y = x & 3; // y == 1/x mod 2^2
+ y = (y * (2 - (x & 0xf) * y)) & 0xf; // y == 1/x mod 2^4
+ y = (y * (2 - (x & 0xff) * y)) & 0xff; // y == 1/x mod 2^8
+ y = (y * (2 - (((x & 0xffff) * y) & 0xffff))) & 0xffff; // y == 1/x mod 2^16
+ // last step - calculate inverse mod DV directly
+ // assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints
+ y = (y * (2 - x * y % this.DV)) % this.DV; // y == 1/x mod 2^dbits
+ // we really want the negative inverse, and -DV < y < DV
+ return (y > 0) ? this.DV - y : -y
+}
- // the amount that is being written when _write is called.
- this.writelen = 0;
+// Montgomery reduction
+function Montgomery(m) {
+ this.m = m
+ this.mp = m.invDigit()
+ this.mpl = this.mp & 0x7fff
+ this.mph = this.mp >> 15
+ this.um = (1 << (m.DB - 15)) - 1
+ this.mt2 = 2 * m.t
+}
- this.buffer = [];
+// xR mod m
+function montConvert(x) {
+ var r = new BigInteger()
+ x.abs()
+ .dlShiftTo(this.m.t, r)
+ r.divRemTo(this.m, null, r)
+ if (x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r, r)
+ return r
+}
- // number of pending user-supplied write callbacks
- // this must be 0 before 'finish' can be emitted
- this.pendingcb = 0;
+// x/R mod m
+function montRevert(x) {
+ var r = new BigInteger()
+ x.copyTo(r)
+ this.reduce(r)
+ return r
+}
- // emit prefinish if the only thing we're waiting for is _write cbs
- // This is relevant for synchronous Transform streams
- this.prefinished = false;
+// x = x/R mod m (HAC 14.32)
+function montReduce(x) {
+ while (x.t <= this.mt2) // pad x so am has enough room later
+ x[x.t++] = 0
+ for (var i = 0; i < this.m.t; ++i) {
+ // faster way of calculating u0 = x[i]*mp mod DV
+ var j = x[i] & 0x7fff
+ var u0 = (j * this.mpl + (((j * this.mph + (x[i] >> 15) * this.mpl) & this.um) << 15)) & x.DM
+ // use am to combine the multiply-shift-add into one call
+ j = i + this.m.t
+ x[j] += this.m.am(0, u0, x, i, 0, this.m.t)
+ // propagate carry
+ while (x[j] >= x.DV) {
+ x[j] -= x.DV
+ x[++j]++
+ }
+ }
+ x.clamp()
+ x.drShiftTo(this.m.t, x)
+ if (x.compareTo(this.m) >= 0) x.subTo(this.m, x)
+}
- // True if the error was already emitted and should not be thrown again
- this.errorEmitted = false;
+// r = "x^2/R mod m"; x != r
+function montSqrTo(x, r) {
+ x.squareTo(r)
+ this.reduce(r)
}
-function Writable(options) {
- var Duplex = require('./_stream_duplex');
+// r = "xy/R mod m"; x,y != r
+function montMulTo(x, y, r) {
+ x.multiplyTo(y, r)
+ this.reduce(r)
+}
- // Writable ctor is applied to Duplexes, though they're not
- // instanceof Writable, they're instanceof Readable.
- if (!(this instanceof Writable) && !(this instanceof Duplex))
- return new Writable(options);
+Montgomery.prototype.convert = montConvert
+Montgomery.prototype.revert = montRevert
+Montgomery.prototype.reduce = montReduce
+Montgomery.prototype.mulTo = montMulTo
+Montgomery.prototype.sqrTo = montSqrTo
- this._writableState = new WritableState(options, this);
+// (protected) true iff this is even
+function bnpIsEven() {
+ return ((this.t > 0) ? (this[0] & 1) : this.s) == 0
+}
- // legacy.
- this.writable = true;
+// (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79)
+function bnpExp(e, z) {
+ if (e > 0xffffffff || e < 1) return BigInteger.ONE
+ var r = new BigInteger(),
+ r2 = new BigInteger(),
+ g = z.convert(this),
+ i = nbits(e) - 1
+ g.copyTo(r)
+ while (--i >= 0) {
+ z.sqrTo(r, r2)
+ if ((e & (1 << i)) > 0) z.mulTo(r2, g, r)
+ else {
+ var t = r
+ r = r2
+ r2 = t
+ }
+ }
+ return z.revert(r)
+}
- Stream.call(this);
+// (public) this^e % m, 0 <= e < 2^32
+function bnModPowInt(e, m) {
+ var z
+ if (e < 256 || m.isEven()) z = new Classic(m)
+ else z = new Montgomery(m)
+ return this.exp(e, z)
}
-// Otherwise people can pipe Writable streams, which is just wrong.
-Writable.prototype.pipe = function() {
- this.emit('error', new Error('Cannot pipe. Not readable.'));
-};
+// protected
+proto.copyTo = bnpCopyTo
+proto.fromInt = bnpFromInt
+proto.fromString = bnpFromString
+proto.clamp = bnpClamp
+proto.dlShiftTo = bnpDLShiftTo
+proto.drShiftTo = bnpDRShiftTo
+proto.lShiftTo = bnpLShiftTo
+proto.rShiftTo = bnpRShiftTo
+proto.subTo = bnpSubTo
+proto.multiplyTo = bnpMultiplyTo
+proto.squareTo = bnpSquareTo
+proto.divRemTo = bnpDivRemTo
+proto.invDigit = bnpInvDigit
+proto.isEven = bnpIsEven
+proto.exp = bnpExp
+// public
+proto.toString = bnToString
+proto.negate = bnNegate
+proto.abs = bnAbs
+proto.compareTo = bnCompareTo
+proto.bitLength = bnBitLength
+proto.byteLength = bnByteLength
+proto.mod = bnMod
+proto.modPowInt = bnModPowInt
-function writeAfterEnd(stream, state, cb) {
- var er = new Error('write after end');
- // TODO: defer error events consistently everywhere, not just the cb
- stream.emit('error', er);
- process.nextTick(function() {
- cb(er);
- });
+// (public)
+function bnClone() {
+ var r = new BigInteger()
+ this.copyTo(r)
+ return r
}
-// If we get something that is not a buffer, string, null, or undefined,
-// and we're not in objectMode, then that's an error.
-// Otherwise stream chunks are all considered to be of length=1, and the
-// watermarks determine how many objects to keep in the buffer, rather than
-// how many bytes or characters.
-function validChunk(stream, state, chunk, cb) {
- var valid = true;
- if (!util.isBuffer(chunk) &&
- !util.isString(chunk) &&
- !util.isNullOrUndefined(chunk) &&
- !state.objectMode) {
- var er = new TypeError('Invalid non-string/buffer chunk');
- stream.emit('error', er);
- process.nextTick(function() {
- cb(er);
- });
- valid = false;
- }
- return valid;
+// (public) return value as integer
+function bnIntValue() {
+ if (this.s < 0) {
+ if (this.t == 1) return this[0] - this.DV
+ else if (this.t == 0) return -1
+ } else if (this.t == 1) return this[0]
+ else if (this.t == 0) return 0
+ // assumes 16 < DB < 32
+ return ((this[1] & ((1 << (32 - this.DB)) - 1)) << this.DB) | this[0]
+}
+
+// (public) return value as byte
+function bnByteValue() {
+ return (this.t == 0) ? this.s : (this[0] << 24) >> 24
}
-Writable.prototype.write = function(chunk, encoding, cb) {
- var state = this._writableState;
- var ret = false;
-
- if (util.isFunction(encoding)) {
- cb = encoding;
- encoding = null;
- }
+// (public) return value as short (assumes DB>=16)
+function bnShortValue() {
+ return (this.t == 0) ? this.s : (this[0] << 16) >> 16
+}
- if (util.isBuffer(chunk))
- encoding = 'buffer';
- else if (!encoding)
- encoding = state.defaultEncoding;
+// (protected) return x s.t. r^x < DV
+function bnpChunkSize(r) {
+ return Math.floor(Math.LN2 * this.DB / Math.log(r))
+}
- if (!util.isFunction(cb))
- cb = function() {};
+// (public) 0 if this == 0, 1 if this > 0
+function bnSigNum() {
+ if (this.s < 0) return -1
+ else if (this.t <= 0 || (this.t == 1 && this[0] <= 0)) return 0
+ else return 1
+}
- if (state.ended)
- writeAfterEnd(this, state, cb);
- else if (validChunk(this, state, chunk, cb)) {
- state.pendingcb++;
- ret = writeOrBuffer(this, state, chunk, encoding, cb);
+// (protected) convert to radix string
+function bnpToRadix(b) {
+ if (b == null) b = 10
+ if (this.signum() == 0 || b < 2 || b > 36) return "0"
+ var cs = this.chunkSize(b)
+ var a = Math.pow(b, cs)
+ var d = nbv(a),
+ y = new BigInteger(),
+ z = new BigInteger(),
+ r = ""
+ this.divRemTo(d, y, z)
+ while (y.signum() > 0) {
+ r = (a + z.intValue())
+ .toString(b)
+ .substr(1) + r
+ y.divRemTo(d, y, z)
}
+ return z.intValue()
+ .toString(b) + r
+}
- return ret;
-};
-
-Writable.prototype.cork = function() {
- var state = this._writableState;
-
- state.corked++;
-};
-
-Writable.prototype.uncork = function() {
- var state = this._writableState;
-
- if (state.corked) {
- state.corked--;
-
- if (!state.writing &&
- !state.corked &&
- !state.finished &&
- !state.bufferProcessing &&
- state.buffer.length)
- clearBuffer(this, state);
+// (protected) convert from radix string
+function bnpFromRadix(s, b) {
+ var self = this
+ self.fromInt(0)
+ if (b == null) b = 10
+ var cs = self.chunkSize(b)
+ var d = Math.pow(b, cs),
+ mi = false,
+ j = 0,
+ w = 0
+ for (var i = 0; i < s.length; ++i) {
+ var x = intAt(s, i)
+ if (x < 0) {
+ if (s.charAt(i) == "-" && self.signum() == 0) mi = true
+ continue
+ }
+ w = b * w + x
+ if (++j >= cs) {
+ self.dMultiply(d)
+ self.dAddOffset(w, 0)
+ j = 0
+ w = 0
+ }
}
-};
-
-function decodeChunk(state, chunk, encoding) {
- if (!state.objectMode &&
- state.decodeStrings !== false &&
- util.isString(chunk)) {
- chunk = new Buffer(chunk, encoding);
+ if (j > 0) {
+ self.dMultiply(Math.pow(b, j))
+ self.dAddOffset(w, 0)
}
- return chunk;
+ if (mi) BigInteger.ZERO.subTo(self, self)
}
-// if we're already writing something, then just put this
-// in the queue, and wait our turn. Otherwise, call _write
-// If we return false, then we need a drain event, so set that flag.
-function writeOrBuffer(stream, state, chunk, encoding, cb) {
- chunk = decodeChunk(state, chunk, encoding);
- if (util.isBuffer(chunk))
- encoding = 'buffer';
- var len = state.objectMode ? 1 : chunk.length;
-
- state.length += len;
+// (protected) alternate constructor
+function bnpFromNumber(a, b, c) {
+ var self = this
+ if ("number" == typeof b) {
+ // new BigInteger(int,int,RNG)
+ if (a < 2) self.fromInt(1)
+ else {
+ self.fromNumber(a, c)
+ if (!self.testBit(a - 1)) // force MSB set
+ self.bitwiseTo(BigInteger.ONE.shiftLeft(a - 1), op_or, self)
+ if (self.isEven()) self.dAddOffset(1, 0); // force odd
+ while (!self.isProbablePrime(b)) {
+ self.dAddOffset(2, 0)
+ if (self.bitLength() > a) self.subTo(BigInteger.ONE.shiftLeft(a - 1), self)
+ }
+ }
+ } else {
+ // new BigInteger(int,RNG)
+ var x = new Array(),
+ t = a & 7
+ x.length = (a >> 3) + 1
+ b.nextBytes(x)
+ if (t > 0) x[0] &= ((1 << t) - 1)
+ else x[0] = 0
+ self.fromString(x, 256)
+ }
+}
- var ret = state.length < state.highWaterMark;
- // we must ensure that previous needDrain will not be reset to false.
- if (!ret)
- state.needDrain = true;
+// (public) convert to bigendian byte array
+function bnToByteArray() {
+ var self = this
+ var i = self.t,
+ r = new Array()
+ r[0] = self.s
+ var p = self.DB - (i * self.DB) % 8,
+ d, k = 0
+ if (i-- > 0) {
+ if (p < self.DB && (d = self[i] >> p) != (self.s & self.DM) >> p)
+ r[k++] = d | (self.s << (self.DB - p))
+ while (i >= 0) {
+ if (p < 8) {
+ d = (self[i] & ((1 << p) - 1)) << (8 - p)
+ d |= self[--i] >> (p += self.DB - 8)
+ } else {
+ d = (self[i] >> (p -= 8)) & 0xff
+ if (p <= 0) {
+ p += self.DB
+ --i
+ }
+ }
+ if ((d & 0x80) != 0) d |= -256
+ if (k === 0 && (self.s & 0x80) != (d & 0x80))++k
+ if (k > 0 || d != self.s) r[k++] = d
+ }
+ }
+ return r
+}
- if (state.writing || state.corked)
- state.buffer.push(new WriteReq(chunk, encoding, cb));
- else
- doWrite(stream, state, false, len, chunk, encoding, cb);
+function bnEquals(a) {
+ return (this.compareTo(a) == 0)
+}
- return ret;
+function bnMin(a) {
+ return (this.compareTo(a) < 0) ? this : a
}
-function doWrite(stream, state, writev, len, chunk, encoding, cb) {
- state.writelen = len;
- state.writecb = cb;
- state.writing = true;
- state.sync = true;
- if (writev)
- stream._writev(chunk, state.onwrite);
- else
- stream._write(chunk, encoding, state.onwrite);
- state.sync = false;
+function bnMax(a) {
+ return (this.compareTo(a) > 0) ? this : a
}
-function onwriteError(stream, state, sync, er, cb) {
- if (sync)
- process.nextTick(function() {
- state.pendingcb--;
- cb(er);
- });
- else {
- state.pendingcb--;
- cb(er);
+// (protected) r = this op a (bitwise)
+function bnpBitwiseTo(a, op, r) {
+ var self = this
+ var i, f, m = Math.min(a.t, self.t)
+ for (i = 0; i < m; ++i) r[i] = op(self[i], a[i])
+ if (a.t < self.t) {
+ f = a.s & self.DM
+ for (i = m; i < self.t; ++i) r[i] = op(self[i], f)
+ r.t = self.t
+ } else {
+ f = self.s & self.DM
+ for (i = m; i < a.t; ++i) r[i] = op(f, a[i])
+ r.t = a.t
}
-
- stream._writableState.errorEmitted = true;
- stream.emit('error', er);
+ r.s = op(self.s, a.s)
+ r.clamp()
}
-function onwriteStateUpdate(state) {
- state.writing = false;
- state.writecb = null;
- state.length -= state.writelen;
- state.writelen = 0;
+// (public) this & a
+function op_and(x, y) {
+ return x & y
}
-function onwrite(stream, er) {
- var state = stream._writableState;
- var sync = state.sync;
- var cb = state.writecb;
-
- onwriteStateUpdate(state);
-
- if (er)
- onwriteError(stream, state, sync, er, cb);
- else {
- // Check if we're actually ready to finish, but don't emit yet
- var finished = needFinish(stream, state);
+function bnAnd(a) {
+ var r = new BigInteger()
+ this.bitwiseTo(a, op_and, r)
+ return r
+}
- if (!finished &&
- !state.corked &&
- !state.bufferProcessing &&
- state.buffer.length) {
- clearBuffer(stream, state);
- }
+// (public) this | a
+function op_or(x, y) {
+ return x | y
+}
- if (sync) {
- process.nextTick(function() {
- afterWrite(stream, state, finished, cb);
- });
- } else {
- afterWrite(stream, state, finished, cb);
- }
- }
+function bnOr(a) {
+ var r = new BigInteger()
+ this.bitwiseTo(a, op_or, r)
+ return r
}
-function afterWrite(stream, state, finished, cb) {
- if (!finished)
- onwriteDrain(stream, state);
- state.pendingcb--;
- cb();
- finishMaybe(stream, state);
+// (public) this ^ a
+function op_xor(x, y) {
+ return x ^ y
}
-// Must force callback to be called on nextTick, so that we don't
-// emit 'drain' before the write() consumer gets the 'false' return
-// value, and has a chance to attach a 'drain' listener.
-function onwriteDrain(stream, state) {
- if (state.length === 0 && state.needDrain) {
- state.needDrain = false;
- stream.emit('drain');
- }
+function bnXor(a) {
+ var r = new BigInteger()
+ this.bitwiseTo(a, op_xor, r)
+ return r
}
+// (public) this & ~a
+function op_andnot(x, y) {
+ return x & ~y
+}
-// if there's something in the buffer waiting, then process it
-function clearBuffer(stream, state) {
- state.bufferProcessing = true;
+function bnAndNot(a) {
+ var r = new BigInteger()
+ this.bitwiseTo(a, op_andnot, r)
+ return r
+}
- if (stream._writev && state.buffer.length > 1) {
- // Fast case, write everything using _writev()
- var cbs = [];
- for (var c = 0; c < state.buffer.length; c++)
- cbs.push(state.buffer[c].callback);
+// (public) ~this
+function bnNot() {
+ var r = new BigInteger()
+ for (var i = 0; i < this.t; ++i) r[i] = this.DM & ~this[i]
+ r.t = this.t
+ r.s = ~this.s
+ return r
+}
- // count the one we are adding, as well.
- // TODO(isaacs) clean this up
- state.pendingcb++;
- doWrite(stream, state, true, state.length, state.buffer, '', function(err) {
- for (var i = 0; i < cbs.length; i++) {
- state.pendingcb--;
- cbs[i](err);
- }
- });
+// (public) this << n
+function bnShiftLeft(n) {
+ var r = new BigInteger()
+ if (n < 0) this.rShiftTo(-n, r)
+ else this.lShiftTo(n, r)
+ return r
+}
- // Clear buffer
- state.buffer = [];
- } else {
- // Slow case, write chunks one-by-one
- for (var c = 0; c < state.buffer.length; c++) {
- var entry = state.buffer[c];
- var chunk = entry.chunk;
- var encoding = entry.encoding;
- var cb = entry.callback;
- var len = state.objectMode ? 1 : chunk.length;
+// (public) this >> n
+function bnShiftRight(n) {
+ var r = new BigInteger()
+ if (n < 0) this.lShiftTo(-n, r)
+ else this.rShiftTo(n, r)
+ return r
+}
- doWrite(stream, state, false, len, chunk, encoding, cb);
+// return index of lowest 1-bit in x, x < 2^31
+function lbit(x) {
+ if (x == 0) return -1
+ var r = 0
+ if ((x & 0xffff) == 0) {
+ x >>= 16
+ r += 16
+ }
+ if ((x & 0xff) == 0) {
+ x >>= 8
+ r += 8
+ }
+ if ((x & 0xf) == 0) {
+ x >>= 4
+ r += 4
+ }
+ if ((x & 3) == 0) {
+ x >>= 2
+ r += 2
+ }
+ if ((x & 1) == 0)++r
+ return r
+}
- // if we didn't call the onwrite immediately, then
- // it means that we need to wait until it does.
- // also, that means that the chunk and cb are currently
- // being processed, so move the buffer counter past them.
- if (state.writing) {
- c++;
- break;
- }
- }
+// (public) returns index of lowest 1-bit (or -1 if none)
+function bnGetLowestSetBit() {
+ for (var i = 0; i < this.t; ++i)
+ if (this[i] != 0) return i * this.DB + lbit(this[i])
+ if (this.s < 0) return this.t * this.DB
+ return -1
+}
- if (c < state.buffer.length)
- state.buffer = state.buffer.slice(c);
- else
- state.buffer.length = 0;
+// return number of 1 bits in x
+function cbit(x) {
+ var r = 0
+ while (x != 0) {
+ x &= x - 1
+ ++r
}
+ return r
+}
- state.bufferProcessing = false;
+// (public) return number of set bits
+function bnBitCount() {
+ var r = 0,
+ x = this.s & this.DM
+ for (var i = 0; i < this.t; ++i) r += cbit(this[i] ^ x)
+ return r
}
-Writable.prototype._write = function(chunk, encoding, cb) {
- cb(new Error('not implemented'));
+// (public) true iff nth bit is set
+function bnTestBit(n) {
+ var j = Math.floor(n / this.DB)
+ if (j >= this.t) return (this.s != 0)
+ return ((this[j] & (1 << (n % this.DB))) != 0)
+}
-};
+// (protected) this op (1<<n)
+function bnpChangeBit(n, op) {
+ var r = BigInteger.ONE.shiftLeft(n)
+ this.bitwiseTo(r, op, r)
+ return r
+}
-Writable.prototype._writev = null;
+// (public) this | (1<<n)
+function bnSetBit(n) {
+ return this.changeBit(n, op_or)
+}
-Writable.prototype.end = function(chunk, encoding, cb) {
- var state = this._writableState;
+// (public) this & ~(1<<n)
+function bnClearBit(n) {
+ return this.changeBit(n, op_andnot)
+}
- if (util.isFunction(chunk)) {
- cb = chunk;
- chunk = null;
- encoding = null;
- } else if (util.isFunction(encoding)) {
- cb = encoding;
- encoding = null;
- }
+// (public) this ^ (1<<n)
+function bnFlipBit(n) {
+ return this.changeBit(n, op_xor)
+}
- if (!util.isNullOrUndefined(chunk))
- this.write(chunk, encoding);
+// (protected) r = this + a
+function bnpAddTo(a, r) {
+ var self = this
- // .end() fully uncorks
- if (state.corked) {
- state.corked = 1;
- this.uncork();
+ var i = 0,
+ c = 0,
+ m = Math.min(a.t, self.t)
+ while (i < m) {
+ c += self[i] + a[i]
+ r[i++] = c & self.DM
+ c >>= self.DB
+ }
+ if (a.t < self.t) {
+ c += a.s
+ while (i < self.t) {
+ c += self[i]
+ r[i++] = c & self.DM
+ c >>= self.DB
+ }
+ c += self.s
+ } else {
+ c += self.s
+ while (i < a.t) {
+ c += a[i]
+ r[i++] = c & self.DM
+ c >>= self.DB
+ }
+ c += a.s
}
+ r.s = (c < 0) ? -1 : 0
+ if (c > 0) r[i++] = c
+ else if (c < -1) r[i++] = self.DV + c
+ r.t = i
+ r.clamp()
+}
- // ignore unnecessary end() calls.
- if (!state.ending && !state.finished)
- endWritable(this, state, cb);
-};
+// (public) this + a
+function bnAdd(a) {
+ var r = new BigInteger()
+ this.addTo(a, r)
+ return r
+}
+// (public) this - a
+function bnSubtract(a) {
+ var r = new BigInteger()
+ this.subTo(a, r)
+ return r
+}
-function needFinish(stream, state) {
- return (state.ending &&
- state.length === 0 &&
- !state.finished &&
- !state.writing);
+// (public) this * a
+function bnMultiply(a) {
+ var r = new BigInteger()
+ this.multiplyTo(a, r)
+ return r
}
-function prefinish(stream, state) {
- if (!state.prefinished) {
- state.prefinished = true;
- stream.emit('prefinish');
- }
+// (public) this^2
+function bnSquare() {
+ var r = new BigInteger()
+ this.squareTo(r)
+ return r
}
-function finishMaybe(stream, state) {
- var need = needFinish(stream, state);
- if (need) {
- if (state.pendingcb === 0) {
- prefinish(stream, state);
- state.finished = true;
- stream.emit('finish');
- } else
- prefinish(stream, state);
- }
- return need;
+// (public) this / a
+function bnDivide(a) {
+ var r = new BigInteger()
+ this.divRemTo(a, r, null)
+ return r
}
-function endWritable(stream, state, cb) {
- state.ending = true;
- finishMaybe(stream, state);
- if (cb) {
- if (state.finished)
- process.nextTick(cb);
- else
- stream.once('finish', cb);
- }
- state.ended = true;
+// (public) this % a
+function bnRemainder(a) {
+ var r = new BigInteger()
+ this.divRemTo(a, null, r)
+ return r
}
-}).call(this,require('_process'))
-},{"./_stream_duplex":16,"_process":14,"buffer":7,"core-util-is":21,"inherits":12,"stream":26}],21:[function(require,module,exports){
-(function (Buffer){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
+// (public) [this/a,this%a]
+function bnDivideAndRemainder(a) {
+ var q = new BigInteger(),
+ r = new BigInteger()
+ this.divRemTo(a, q, r)
+ return new Array(q, r)
+}
-// NOTE: These type checking functions intentionally don't use `instanceof`
-// because it is fragile and can be easily faked with `Object.create()`.
-function isArray(ar) {
- return Array.isArray(ar);
+// (protected) this *= n, this >= 0, 1 < n < DV
+function bnpDMultiply(n) {
+ this[this.t] = this.am(0, n - 1, this, 0, 0, this.t)
+ ++this.t
+ this.clamp()
}
-exports.isArray = isArray;
-function isBoolean(arg) {
- return typeof arg === 'boolean';
+// (protected) this += n << w words, this >= 0
+function bnpDAddOffset(n, w) {
+ if (n == 0) return
+ while (this.t <= w) this[this.t++] = 0
+ this[w] += n
+ while (this[w] >= this.DV) {
+ this[w] -= this.DV
+ if (++w >= this.t) this[this.t++] = 0
+ ++this[w]
+ }
}
-exports.isBoolean = isBoolean;
-function isNull(arg) {
- return arg === null;
-}
-exports.isNull = isNull;
+// A "null" reducer
+function NullExp() {}
-function isNullOrUndefined(arg) {
- return arg == null;
+function nNop(x) {
+ return x
}
-exports.isNullOrUndefined = isNullOrUndefined;
-function isNumber(arg) {
- return typeof arg === 'number';
+function nMulTo(x, y, r) {
+ x.multiplyTo(y, r)
}
-exports.isNumber = isNumber;
-function isString(arg) {
- return typeof arg === 'string';
+function nSqrTo(x, r) {
+ x.squareTo(r)
}
-exports.isString = isString;
-function isSymbol(arg) {
- return typeof arg === 'symbol';
-}
-exports.isSymbol = isSymbol;
+NullExp.prototype.convert = nNop
+NullExp.prototype.revert = nNop
+NullExp.prototype.mulTo = nMulTo
+NullExp.prototype.sqrTo = nSqrTo
-function isUndefined(arg) {
- return arg === void 0;
+// (public) this^e
+function bnPow(e) {
+ return this.exp(e, new NullExp())
}
-exports.isUndefined = isUndefined;
-function isRegExp(re) {
- return isObject(re) && objectToString(re) === '[object RegExp]';
+// (protected) r = lower n words of "this * a", a.t <= n
+// "this" should be the larger one if appropriate.
+function bnpMultiplyLowerTo(a, n, r) {
+ var i = Math.min(this.t + a.t, n)
+ r.s = 0; // assumes a,this >= 0
+ r.t = i
+ while (i > 0) r[--i] = 0
+ var j
+ for (j = r.t - this.t; i < j; ++i) r[i + this.t] = this.am(0, a[i], r, i, 0, this.t)
+ for (j = Math.min(a.t, n); i < j; ++i) this.am(0, a[i], r, i, 0, n - i)
+ r.clamp()
}
-exports.isRegExp = isRegExp;
-function isObject(arg) {
- return typeof arg === 'object' && arg !== null;
+// (protected) r = "this * a" without lower n words, n > 0
+// "this" should be the larger one if appropriate.
+function bnpMultiplyUpperTo(a, n, r) {
+ --n
+ var i = r.t = this.t + a.t - n
+ r.s = 0; // assumes a,this >= 0
+ while (--i >= 0) r[i] = 0
+ for (i = Math.max(n - this.t, 0); i < a.t; ++i)
+ r[this.t + i - n] = this.am(n - i, a[i], r, 0, 0, this.t + i - n)
+ r.clamp()
+ r.drShiftTo(1, r)
}
-exports.isObject = isObject;
-function isDate(d) {
- return isObject(d) && objectToString(d) === '[object Date]';
+// Barrett modular reduction
+function Barrett(m) {
+ // setup Barrett
+ this.r2 = new BigInteger()
+ this.q3 = new BigInteger()
+ BigInteger.ONE.dlShiftTo(2 * m.t, this.r2)
+ this.mu = this.r2.divide(m)
+ this.m = m
}
-exports.isDate = isDate;
-function isError(e) {
- return isObject(e) &&
- (objectToString(e) === '[object Error]' || e instanceof Error);
+function barrettConvert(x) {
+ if (x.s < 0 || x.t > 2 * this.m.t) return x.mod(this.m)
+ else if (x.compareTo(this.m) < 0) return x
+ else {
+ var r = new BigInteger()
+ x.copyTo(r)
+ this.reduce(r)
+ return r
+ }
}
-exports.isError = isError;
-function isFunction(arg) {
- return typeof arg === 'function';
+function barrettRevert(x) {
+ return x
}
-exports.isFunction = isFunction;
-function isPrimitive(arg) {
- return arg === null ||
- typeof arg === 'boolean' ||
- typeof arg === 'number' ||
- typeof arg === 'string' ||
- typeof arg === 'symbol' || // ES6 symbol
- typeof arg === 'undefined';
+// x = x mod m (HAC 14.42)
+function barrettReduce(x) {
+ var self = this
+ x.drShiftTo(self.m.t - 1, self.r2)
+ if (x.t > self.m.t + 1) {
+ x.t = self.m.t + 1
+ x.clamp()
+ }
+ self.mu.multiplyUpperTo(self.r2, self.m.t + 1, self.q3)
+ self.m.multiplyLowerTo(self.q3, self.m.t + 1, self.r2)
+ while (x.compareTo(self.r2) < 0) x.dAddOffset(1, self.m.t + 1)
+ x.subTo(self.r2, x)
+ while (x.compareTo(self.m) >= 0) x.subTo(self.m, x)
}
-exports.isPrimitive = isPrimitive;
-function isBuffer(arg) {
- return Buffer.isBuffer(arg);
+// r = x^2 mod m; x != r
+function barrettSqrTo(x, r) {
+ x.squareTo(r)
+ this.reduce(r)
}
-exports.isBuffer = isBuffer;
-function objectToString(o) {
- return Object.prototype.toString.call(o);
+// r = x*y mod m; x,y != r
+function barrettMulTo(x, y, r) {
+ x.multiplyTo(y, r)
+ this.reduce(r)
}
-}).call(this,require("buffer").Buffer)
-},{"buffer":7}],22:[function(require,module,exports){
-module.exports = require("./lib/_stream_passthrough.js")
-
-},{"./lib/_stream_passthrough.js":17}],23:[function(require,module,exports){
-exports = module.exports = require('./lib/_stream_readable.js');
-exports.Stream = require('stream');
-exports.Readable = exports;
-exports.Writable = require('./lib/_stream_writable.js');
-exports.Duplex = require('./lib/_stream_duplex.js');
-exports.Transform = require('./lib/_stream_transform.js');
-exports.PassThrough = require('./lib/_stream_passthrough.js');
-
-},{"./lib/_stream_duplex.js":16,"./lib/_stream_passthrough.js":17,"./lib/_stream_readable.js":18,"./lib/_stream_transform.js":19,"./lib/_stream_writable.js":20,"stream":26}],24:[function(require,module,exports){
-module.exports = require("./lib/_stream_transform.js")
-
-},{"./lib/_stream_transform.js":19}],25:[function(require,module,exports){
-module.exports = require("./lib/_stream_writable.js")
-
-},{"./lib/_stream_writable.js":20}],26:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-module.exports = Stream;
-
-var EE = require('events').EventEmitter;
-var inherits = require('inherits');
-
-inherits(Stream, EE);
-Stream.Readable = require('readable-stream/readable.js');
-Stream.Writable = require('readable-stream/writable.js');
-Stream.Duplex = require('readable-stream/duplex.js');
-Stream.Transform = require('readable-stream/transform.js');
-Stream.PassThrough = require('readable-stream/passthrough.js');
-
-// Backwards-compat with node 0.4.x
-Stream.Stream = Stream;
-
-
-
-// old-style streams. Note that the pipe method (the only relevant
-// part of this class) is overridden in the Readable class.
-function Stream() {
- EE.call(this);
-}
+Barrett.prototype.convert = barrettConvert
+Barrett.prototype.revert = barrettRevert
+Barrett.prototype.reduce = barrettReduce
+Barrett.prototype.mulTo = barrettMulTo
+Barrett.prototype.sqrTo = barrettSqrTo
-Stream.prototype.pipe = function(dest, options) {
- var source = this;
+// (public) this^e % m (HAC 14.85)
+function bnModPow(e, m) {
+ var i = e.bitLength(),
+ k, r = nbv(1),
+ z
+ if (i <= 0) return r
+ else if (i < 18) k = 1
+ else if (i < 48) k = 3
+ else if (i < 144) k = 4
+ else if (i < 768) k = 5
+ else k = 6
+ if (i < 8)
+ z = new Classic(m)
+ else if (m.isEven())
+ z = new Barrett(m)
+ else
+ z = new Montgomery(m)
- function ondata(chunk) {
- if (dest.writable) {
- if (false === dest.write(chunk) && source.pause) {
- source.pause();
- }
+ // precomputation
+ var g = new Array(),
+ n = 3,
+ k1 = k - 1,
+ km = (1 << k) - 1
+ g[1] = z.convert(this)
+ if (k > 1) {
+ var g2 = new BigInteger()
+ z.sqrTo(g[1], g2)
+ while (n <= km) {
+ g[n] = new BigInteger()
+ z.mulTo(g2, g[n - 2], g[n])
+ n += 2
}
}
- source.on('data', ondata);
-
- function ondrain() {
- if (source.readable && source.resume) {
- source.resume();
+ var j = e.t - 1,
+ w, is1 = true,
+ r2 = new BigInteger(),
+ t
+ i = nbits(e[j]) - 1
+ while (j >= 0) {
+ if (i >= k1) w = (e[j] >> (i - k1)) & km
+ else {
+ w = (e[j] & ((1 << (i + 1)) - 1)) << (k1 - i)
+ if (j > 0) w |= e[j - 1] >> (this.DB + i - k1)
}
- }
- dest.on('drain', ondrain);
+ n = k
+ while ((w & 1) == 0) {
+ w >>= 1
+ --n
+ }
+ if ((i -= n) < 0) {
+ i += this.DB
+ --j
+ }
+ if (is1) { // ret == 1, don't bother squaring or multiplying it
+ g[w].copyTo(r)
+ is1 = false
+ } else {
+ while (n > 1) {
+ z.sqrTo(r, r2)
+ z.sqrTo(r2, r)
+ n -= 2
+ }
+ if (n > 0) z.sqrTo(r, r2)
+ else {
+ t = r
+ r = r2
+ r2 = t
+ }
+ z.mulTo(r2, g[w], r)
+ }
- // If the 'end' option is not supplied, dest.end() will be called when
- // source gets the 'end' or 'close' events. Only dest.end() once.
- if (!dest._isStdio && (!options || options.end !== false)) {
- source.on('end', onend);
- source.on('close', onclose);
+ while (j >= 0 && (e[j] & (1 << i)) == 0) {
+ z.sqrTo(r, r2)
+ t = r
+ r = r2
+ r2 = t
+ if (--i < 0) {
+ i = this.DB - 1
+ --j
+ }
+ }
}
+ return z.revert(r)
+}
- var didOnEnd = false;
- function onend() {
- if (didOnEnd) return;
- didOnEnd = true;
-
- dest.end();
+// (public) gcd(this,a) (HAC 14.54)
+function bnGCD(a) {
+ var x = (this.s < 0) ? this.negate() : this.clone()
+ var y = (a.s < 0) ? a.negate() : a.clone()
+ if (x.compareTo(y) < 0) {
+ var t = x
+ x = y
+ y = t
}
-
-
- function onclose() {
- if (didOnEnd) return;
- didOnEnd = true;
-
- if (typeof dest.destroy === 'function') dest.destroy();
+ var i = x.getLowestSetBit(),
+ g = y.getLowestSetBit()
+ if (g < 0) return x
+ if (i < g) g = i
+ if (g > 0) {
+ x.rShiftTo(g, x)
+ y.rShiftTo(g, y)
}
-
- // don't leave dangling pipes when there are errors.
- function onerror(er) {
- cleanup();
- if (EE.listenerCount(this, 'error') === 0) {
- throw er; // Unhandled stream error in pipe.
+ while (x.signum() > 0) {
+ if ((i = x.getLowestSetBit()) > 0) x.rShiftTo(i, x)
+ if ((i = y.getLowestSetBit()) > 0) y.rShiftTo(i, y)
+ if (x.compareTo(y) >= 0) {
+ x.subTo(y, x)
+ x.rShiftTo(1, x)
+ } else {
+ y.subTo(x, y)
+ y.rShiftTo(1, y)
}
}
-
- source.on('error', onerror);
- dest.on('error', onerror);
-
- // remove all the event listeners that were added.
- function cleanup() {
- source.removeListener('data', ondata);
- dest.removeListener('drain', ondrain);
-
- source.removeListener('end', onend);
- source.removeListener('close', onclose);
-
- source.removeListener('error', onerror);
- dest.removeListener('error', onerror);
-
- source.removeListener('end', cleanup);
- source.removeListener('close', cleanup);
-
- dest.removeListener('close', cleanup);
- }
-
- source.on('end', cleanup);
- source.on('close', cleanup);
-
- dest.on('close', cleanup);
-
- dest.emit('pipe', source);
-
- // Allow for unix-like usage: A.pipe(B).pipe(C)
- return dest;
-};
-
-},{"events":11,"inherits":12,"readable-stream/duplex.js":15,"readable-stream/passthrough.js":22,"readable-stream/readable.js":23,"readable-stream/transform.js":24,"readable-stream/writable.js":25}],27:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-var Buffer = require('buffer').Buffer;
-
-var isBufferEncoding = Buffer.isEncoding
- || function(encoding) {
- switch (encoding && encoding.toLowerCase()) {
- case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': case 'raw': return true;
- default: return false;
- }
- }
-
-
-function assertEncoding(encoding) {
- if (encoding && !isBufferEncoding(encoding)) {
- throw new Error('Unknown encoding: ' + encoding);
- }
+ if (g > 0) y.lShiftTo(g, y)
+ return y
}
-// StringDecoder provides an interface for efficiently splitting a series of
-// buffers into a series of JS strings without breaking apart multi-byte
-// characters. CESU-8 is handled as part of the UTF-8 encoding.
-//
-// @TODO Handling all encodings inside a single object makes it very difficult
-// to reason about this code, so it should be split up in the future.
-// @TODO There should be a utf8-strict encoding that rejects invalid UTF-8 code
-// points as used by CESU-8.
-var StringDecoder = exports.StringDecoder = function(encoding) {
- this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, '');
- assertEncoding(encoding);
- switch (this.encoding) {
- case 'utf8':
- // CESU-8 represents each of Surrogate Pair by 3-bytes
- this.surrogateSize = 3;
- break;
- case 'ucs2':
- case 'utf16le':
- // UTF-16 represents each of Surrogate Pair by 2-bytes
- this.surrogateSize = 2;
- this.detectIncompleteChar = utf16DetectIncompleteChar;
- break;
- case 'base64':
- // Base-64 stores 3 bytes in 4 chars, and pads the remainder.
- this.surrogateSize = 3;
- this.detectIncompleteChar = base64DetectIncompleteChar;
- break;
- default:
- this.write = passThroughWrite;
- return;
- }
-
- // Enough space to store all bytes of a single character. UTF-8 needs 4
- // bytes, but CESU-8 may require up to 6 (3 bytes per surrogate).
- this.charBuffer = new Buffer(6);
- // Number of bytes received for the current incomplete multi-byte character.
- this.charReceived = 0;
- // Number of bytes expected for the current incomplete multi-byte character.
- this.charLength = 0;
-};
-
-
-// write decodes the given buffer and returns it as JS string that is
-// guaranteed to not contain any partial multi-byte characters. Any partial
-// character found at the end of the buffer is buffered up, and will be
-// returned when calling write again with the remaining bytes.
-//
-// Note: Converting a Buffer containing an orphan surrogate to a String
-// currently works, but converting a String to a Buffer (via `new Buffer`, or
-// Buffer#write) will replace incomplete surrogates with the unicode
-// replacement character. See https://codereview.chromium.org/121173009/ .
-StringDecoder.prototype.write = function(buffer) {
- var charStr = '';
- // if our last write ended with an incomplete multibyte character
- while (this.charLength) {
- // determine how many remaining bytes this buffer has to offer for this char
- var available = (buffer.length >= this.charLength - this.charReceived) ?
- this.charLength - this.charReceived :
- buffer.length;
-
- // add the new bytes to the char buffer
- buffer.copy(this.charBuffer, this.charReceived, 0, available);
- this.charReceived += available;
+// (protected) this % n, n < 2^26
+function bnpModInt(n) {
+ if (n <= 0) return 0
+ var d = this.DV % n,
+ r = (this.s < 0) ? n - 1 : 0
+ if (this.t > 0)
+ if (d == 0) r = this[0] % n
+ else
+ for (var i = this.t - 1; i >= 0; --i) r = (d * r + this[i]) % n
+ return r
+}
- if (this.charReceived < this.charLength) {
- // still not enough chars in this buffer? wait for more ...
- return '';
+// (public) 1/this % m (HAC 14.61)
+function bnModInverse(m) {
+ var ac = m.isEven()
+ if (this.signum() === 0) throw new Error('division by zero')
+ if ((this.isEven() && ac) || m.signum() == 0) return BigInteger.ZERO
+ var u = m.clone(),
+ v = this.clone()
+ var a = nbv(1),
+ b = nbv(0),
+ c = nbv(0),
+ d = nbv(1)
+ while (u.signum() != 0) {
+ while (u.isEven()) {
+ u.rShiftTo(1, u)
+ if (ac) {
+ if (!a.isEven() || !b.isEven()) {
+ a.addTo(this, a)
+ b.subTo(m, b)
+ }
+ a.rShiftTo(1, a)
+ } else if (!b.isEven()) b.subTo(m, b)
+ b.rShiftTo(1, b)
+ }
+ while (v.isEven()) {
+ v.rShiftTo(1, v)
+ if (ac) {
+ if (!c.isEven() || !d.isEven()) {
+ c.addTo(this, c)
+ d.subTo(m, d)
+ }
+ c.rShiftTo(1, c)
+ } else if (!d.isEven()) d.subTo(m, d)
+ d.rShiftTo(1, d)
+ }
+ if (u.compareTo(v) >= 0) {
+ u.subTo(v, u)
+ if (ac) a.subTo(c, a)
+ b.subTo(d, b)
+ } else {
+ v.subTo(u, v)
+ if (ac) c.subTo(a, c)
+ d.subTo(b, d)
}
+ }
+ if (v.compareTo(BigInteger.ONE) != 0) return BigInteger.ZERO
+ while (d.compareTo(m) >= 0) d.subTo(m, d)
+ while (d.signum() < 0) d.addTo(m, d)
+ return d
+}
- // remove bytes belonging to the current character from the buffer
- buffer = buffer.slice(available, buffer.length);
+var lowprimes = [
+ 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71,
+ 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151,
+ 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233,
+ 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317,
+ 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419,
+ 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503,
+ 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607,
+ 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701,
+ 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811,
+ 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911,
+ 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997
+]
- // get the character that was split
- charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding);
+var lplim = (1 << 26) / lowprimes[lowprimes.length - 1]
- // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
- var charCode = charStr.charCodeAt(charStr.length - 1);
- if (charCode >= 0xD800 && charCode <= 0xDBFF) {
- this.charLength += this.surrogateSize;
- charStr = '';
- continue;
- }
- this.charReceived = this.charLength = 0;
+// (public) test primality with certainty >= 1-.5^t
+function bnIsProbablePrime(t) {
+ var i, x = this.abs()
+ if (x.t == 1 && x[0] <= lowprimes[lowprimes.length - 1]) {
+ for (i = 0; i < lowprimes.length; ++i)
+ if (x[0] == lowprimes[i]) return true
+ return false
+ }
+ if (x.isEven()) return false
+ i = 1
+ while (i < lowprimes.length) {
+ var m = lowprimes[i],
+ j = i + 1
+ while (j < lowprimes.length && m < lplim) m *= lowprimes[j++]
+ m = x.modInt(m)
+ while (i < j) if (m % lowprimes[i++] == 0) return false
+ }
+ return x.millerRabin(t)
+}
- // if there are no more bytes in this buffer, just emit our char
- if (buffer.length === 0) {
- return charStr;
+// (protected) true if probably prime (HAC 4.24, Miller-Rabin)
+function bnpMillerRabin(t) {
+ var n1 = this.subtract(BigInteger.ONE)
+ var k = n1.getLowestSetBit()
+ if (k <= 0) return false
+ var r = n1.shiftRight(k)
+ t = (t + 1) >> 1
+ if (t > lowprimes.length) t = lowprimes.length
+ var a = new BigInteger(null)
+ var j, bases = []
+ for (var i = 0; i < t; ++i) {
+ for (;;) {
+ j = lowprimes[Math.floor(Math.random() * lowprimes.length)]
+ if (bases.indexOf(j) == -1) break
+ }
+ bases.push(j)
+ a.fromInt(j)
+ var y = a.modPow(r, this)
+ if (y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) {
+ var j = 1
+ while (j++ < k && y.compareTo(n1) != 0) {
+ y = y.modPowInt(2, this)
+ if (y.compareTo(BigInteger.ONE) == 0) return false
+ }
+ if (y.compareTo(n1) != 0) return false
}
- break;
}
+ return true
+}
- // determine and set charLength / charReceived
- this.detectIncompleteChar(buffer);
+// protected
+proto.chunkSize = bnpChunkSize
+proto.toRadix = bnpToRadix
+proto.fromRadix = bnpFromRadix
+proto.fromNumber = bnpFromNumber
+proto.bitwiseTo = bnpBitwiseTo
+proto.changeBit = bnpChangeBit
+proto.addTo = bnpAddTo
+proto.dMultiply = bnpDMultiply
+proto.dAddOffset = bnpDAddOffset
+proto.multiplyLowerTo = bnpMultiplyLowerTo
+proto.multiplyUpperTo = bnpMultiplyUpperTo
+proto.modInt = bnpModInt
+proto.millerRabin = bnpMillerRabin
- var end = buffer.length;
- if (this.charLength) {
- // buffer the incomplete character bytes we got
- buffer.copy(this.charBuffer, 0, buffer.length - this.charReceived, end);
- end -= this.charReceived;
- }
+// public
+proto.clone = bnClone
+proto.intValue = bnIntValue
+proto.byteValue = bnByteValue
+proto.shortValue = bnShortValue
+proto.signum = bnSigNum
+proto.toByteArray = bnToByteArray
+proto.equals = bnEquals
+proto.min = bnMin
+proto.max = bnMax
+proto.and = bnAnd
+proto.or = bnOr
+proto.xor = bnXor
+proto.andNot = bnAndNot
+proto.not = bnNot
+proto.shiftLeft = bnShiftLeft
+proto.shiftRight = bnShiftRight
+proto.getLowestSetBit = bnGetLowestSetBit
+proto.bitCount = bnBitCount
+proto.testBit = bnTestBit
+proto.setBit = bnSetBit
+proto.clearBit = bnClearBit
+proto.flipBit = bnFlipBit
+proto.add = bnAdd
+proto.subtract = bnSubtract
+proto.multiply = bnMultiply
+proto.divide = bnDivide
+proto.remainder = bnRemainder
+proto.divideAndRemainder = bnDivideAndRemainder
+proto.modPow = bnModPow
+proto.modInverse = bnModInverse
+proto.pow = bnPow
+proto.gcd = bnGCD
+proto.isProbablePrime = bnIsProbablePrime
- charStr += buffer.toString(this.encoding, 0, end);
+// JSBN-specific extension
+proto.square = bnSquare
- var end = charStr.length - 1;
- var charCode = charStr.charCodeAt(end);
- // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
- if (charCode >= 0xD800 && charCode <= 0xDBFF) {
- var size = this.surrogateSize;
- this.charLength += size;
- this.charReceived += size;
- this.charBuffer.copy(this.charBuffer, size, 0, size);
- buffer.copy(this.charBuffer, 0, 0, size);
- return charStr.substring(0, end);
- }
+// constants
+BigInteger.ZERO = nbv(0)
+BigInteger.ONE = nbv(1)
+BigInteger.valueOf = nbv
- // or just emit the charStr
- return charStr;
-};
+module.exports = BigInteger
-// detectIncompleteChar determines if there is an incomplete UTF-8 character at
-// the end of the given buffer. If so, it sets this.charLength to the byte
-// length that character, and sets this.charReceived to the number of bytes
-// that are available for this character.
-StringDecoder.prototype.detectIncompleteChar = function(buffer) {
- // determine how many bytes we have to check at the end of this buffer
- var i = (buffer.length >= 3) ? 3 : buffer.length;
+},{"../package.json":38}],36:[function(require,module,exports){
+(function (Buffer){
+// FIXME: Kind of a weird way to throw exceptions, consider removing
+var assert = require('assert')
+var BigInteger = require('./bigi')
- // Figure out if one of the last i bytes of our buffer announces an
- // incomplete char.
- for (; i > 0; i--) {
- var c = buffer[buffer.length - i];
+/**
+ * Turns a byte array into a big integer.
+ *
+ * This function will interpret a byte array as a big integer in big
+ * endian notation.
+ */
+BigInteger.fromByteArrayUnsigned = function(byteArray) {
+ // BigInteger expects a DER integer conformant byte array
+ if (byteArray[0] & 0x80) {
+ return new BigInteger([0].concat(byteArray))
+ }
- // See http://en.wikipedia.org/wiki/UTF-8#Description
+ return new BigInteger(byteArray)
+}
- // 110XXXXX
- if (i == 1 && c >> 5 == 0x06) {
- this.charLength = 2;
- break;
- }
+/**
+ * Returns a byte array representation of the big integer.
+ *
+ * This returns the absolute of the contained value in big endian
+ * form. A value of zero results in an empty array.
+ */
+BigInteger.prototype.toByteArrayUnsigned = function() {
+ var byteArray = this.toByteArray()
+ return byteArray[0] === 0 ? byteArray.slice(1) : byteArray
+}
- // 1110XXXX
- if (i <= 2 && c >> 4 == 0x0E) {
- this.charLength = 3;
- break;
- }
+BigInteger.fromDERInteger = function(byteArray) {
+ return new BigInteger(byteArray)
+}
- // 11110XXX
- if (i <= 3 && c >> 3 == 0x1E) {
- this.charLength = 4;
- break;
- }
- }
- this.charReceived = i;
-};
+/*
+ * Converts BigInteger to a DER integer representation.
+ *
+ * The format for this value uses the most significant bit as a sign
+ * bit. If the most significant bit is already set and the integer is
+ * positive, a 0x00 is prepended.
+ *
+ * Examples:
+ *
+ * 0 => 0x00
+ * 1 => 0x01
+ * -1 => 0xff
+ * 127 => 0x7f
+ * -127 => 0x81
+ * 128 => 0x0080
+ * -128 => 0x80
+ * 255 => 0x00ff
+ * -255 => 0xff01
+ * 16300 => 0x3fac
+ * -16300 => 0xc054
+ * 62300 => 0x00f35c
+ * -62300 => 0xff0ca4
+*/
+BigInteger.prototype.toDERInteger = BigInteger.prototype.toByteArray
-StringDecoder.prototype.end = function(buffer) {
- var res = '';
- if (buffer && buffer.length)
- res = this.write(buffer);
+BigInteger.fromBuffer = function(buffer) {
+ // BigInteger expects a DER integer conformant byte array
+ if (buffer[0] & 0x80) {
+ var byteArray = Array.prototype.slice.call(buffer)
- if (this.charReceived) {
- var cr = this.charReceived;
- var buf = this.charBuffer;
- var enc = this.encoding;
- res += buf.slice(0, cr).toString(enc);
+ return new BigInteger([0].concat(byteArray))
}
- return res;
-};
-
-function passThroughWrite(buffer) {
- return buffer.toString(this.encoding);
+ return new BigInteger(buffer)
}
-function utf16DetectIncompleteChar(buffer) {
- this.charReceived = buffer.length % 2;
- this.charLength = this.charReceived ? 2 : 0;
+BigInteger.fromHex = function(hex) {
+ if (hex === '') return BigInteger.ZERO
+
+ assert.equal(hex, hex.match(/^[A-Fa-f0-9]+/), 'Invalid hex string')
+ assert.equal(hex.length % 2, 0, 'Incomplete hex')
+ return new BigInteger(hex, 16)
}
-function base64DetectIncompleteChar(buffer) {
- this.charReceived = buffer.length % 3;
- this.charLength = this.charReceived ? 3 : 0;
+BigInteger.prototype.toBuffer = function(size) {
+ var byteArray = this.toByteArrayUnsigned()
+ var zeros = []
+
+ var padding = size - byteArray.length
+ while (zeros.length < padding) zeros.push(0)
+
+ return new Buffer(zeros.concat(byteArray))
}
-},{"buffer":7}],28:[function(require,module,exports){
-module.exports = function isBuffer(arg) {
- return arg && typeof arg === 'object'
- && typeof arg.copy === 'function'
- && typeof arg.fill === 'function'
- && typeof arg.readUInt8 === 'function';
+BigInteger.prototype.toHex = function(size) {
+ return this.toBuffer(size).toString('hex')
}
-},{}],29:[function(require,module,exports){
-(function (process,global){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-var formatRegExp = /%[sdj%]/g;
-exports.format = function(f) {
- if (!isString(f)) {
- var objects = [];
- for (var i = 0; i < arguments.length; i++) {
- objects.push(inspect(arguments[i]));
- }
- return objects.join(' ');
- }
+}).call(this,require("buffer").Buffer)
+},{"./bigi":35,"assert":1,"buffer":4}],37:[function(require,module,exports){
+var BigInteger = require('./bigi')
- var i = 1;
- var args = arguments;
- var len = args.length;
- var str = String(f).replace(formatRegExp, function(x) {
- if (x === '%%') return '%';
- if (i >= len) return x;
- switch (x) {
- case '%s': return String(args[i++]);
- case '%d': return Number(args[i++]);
- case '%j':
- try {
- return JSON.stringify(args[i++]);
- } catch (_) {
- return '[Circular]';
- }
- default:
- return x;
- }
- });
- for (var x = args[i]; i < len; x = args[++i]) {
- if (isNull(x) || !isObject(x)) {
- str += ' ' + x;
- } else {
- str += ' ' + inspect(x);
+//addons
+require('./convert')
+
+module.exports = BigInteger
+},{"./bigi":35,"./convert":36}],38:[function(require,module,exports){
+module.exports={
+ "_args": [
+ [
+ "bigi",
+ "/home/ian/git/bitcoin/bitcoinjs-lib-browser"
+ ]
+ ],
+ "_from": "bigi@latest",
+ "_id": "bigi@1.4.2",
+ "_inCache": true,
+ "_installable": true,
+ "_location": "/bigi",
+ "_nodeVersion": "6.1.0",
+ "_npmOperationalInternal": {
+ "host": "packages-12-west.internal.npmjs.com",
+ "tmp": "tmp/bigi-1.4.2.tgz_1469584192413_0.6801238611806184"
+ },
+ "_npmUser": {
+ "email": "jprichardson@gmail.com",
+ "name": "jprichardson"
+ },
+ "_npmVersion": "3.8.6",
+ "_phantomChildren": {},
+ "_requested": {
+ "name": "bigi",
+ "raw": "bigi",
+ "rawSpec": "",
+ "scope": null,
+ "spec": "latest",
+ "type": "tag"
+ },
+ "_requiredBy": [
+ "#USER",
+ "/bitcoinjs-lib",
+ "/ecurve"
+ ],
+ "_resolved": "https://registry.npmjs.org/bigi/-/bigi-1.4.2.tgz",
+ "_shasum": "9c665a95f88b8b08fc05cfd731f561859d725825",
+ "_shrinkwrap": null,
+ "_spec": "bigi",
+ "_where": "/home/ian/git/bitcoin/bitcoinjs-lib-browser",
+ "bugs": {
+ "url": "https://github.com/cryptocoinjs/bigi/issues"
+ },
+ "dependencies": {},
+ "description": "Big integers.",
+ "devDependencies": {
+ "coveralls": "^2.11.2",
+ "istanbul": "^0.3.5",
+ "jshint": "^2.5.1",
+ "mocha": "^2.1.0",
+ "mochify": "^2.1.0"
+ },
+ "directories": {},
+ "dist": {
+ "shasum": "9c665a95f88b8b08fc05cfd731f561859d725825",
+ "tarball": "https://registry.npmjs.org/bigi/-/bigi-1.4.2.tgz"
+ },
+ "gitHead": "c25308081c896ff84702303722bf5ecd8b3f78e3",
+ "homepage": "https://github.com/cryptocoinjs/bigi#readme",
+ "keywords": [
+ "cryptography",
+ "math",
+ "bitcoin",
+ "arbitrary",
+ "precision",
+ "arithmetic",
+ "big",
+ "integer",
+ "int",
+ "number",
+ "biginteger",
+ "bigint",
+ "bignumber",
+ "decimal",
+ "float"
+ ],
+ "main": "./lib/index.js",
+ "maintainers": [
+ {
+ "email": "boydb@midnightdesign.ws",
+ "name": "midnightlightning"
+ },
+ {
+ "email": "sidazhang89@gmail.com",
+ "name": "sidazhang"
+ },
+ {
+ "email": "npm@shesek.info",
+ "name": "nadav"
+ },
+ {
+ "email": "jprichardson@gmail.com",
+ "name": "jprichardson"
}
- }
- return str;
-};
+ ],
+ "name": "bigi",
+ "optionalDependencies": {},
+ "readme": "ERROR: No README data found!",
+ "repository": {
+ "type": "git",
+ "url": "git+https://github.com/cryptocoinjs/bigi.git"
+ },
+ "scripts": {
+ "browser-test": "mochify --wd -R spec",
+ "coverage": "istanbul cover ./node_modules/.bin/_mocha -- --reporter list test/*.js",
+ "coveralls": "npm run-script coverage && node ./node_modules/.bin/coveralls < coverage/lcov.info",
+ "jshint": "jshint --config jshint.json lib/*.js ; true",
+ "test": "_mocha -- test/*.js",
+ "unit": "mocha"
+ },
+ "testling": {
+ "browsers": [
+ "ie/9..latest",
+ "firefox/latest",
+ "chrome/latest",
+ "safari/6.0..latest",
+ "iphone/6.0..latest",
+ "android-browser/4.2..latest"
+ ],
+ "files": "test/*.js",
+ "harness": "mocha"
+ },
+ "version": "1.4.2"
+}
+},{}],39:[function(require,module,exports){
+// Reference https://github.com/bitcoin/bips/blob/master/bip-0066.mediawiki
+// Format: 0x30 [total-length] 0x02 [R-length] [R] 0x02 [S-length] [S]
+// NOTE: SIGHASH byte ignored AND restricted, truncate before use
-// Mark that a method should not be used.
-// Returns a modified function which warns once by default.
-// If --no-deprecation is set, then it is a no-op.
-exports.deprecate = function(fn, msg) {
- // Allow for deprecating things in the process of starting up.
- if (isUndefined(global.process)) {
- return function() {
- return exports.deprecate(fn, msg).apply(this, arguments);
- };
- }
+var Buffer = require('safe-buffer').Buffer
- if (process.noDeprecation === true) {
- return fn;
- }
+function check (buffer) {
+ if (buffer.length < 8) return false
+ if (buffer.length > 72) return false
+ if (buffer[0] !== 0x30) return false
+ if (buffer[1] !== buffer.length - 2) return false
+ if (buffer[2] !== 0x02) return false
- var warned = false;
- function deprecated() {
- if (!warned) {
- if (process.throwDeprecation) {
- throw new Error(msg);
- } else if (process.traceDeprecation) {
- console.trace(msg);
- } else {
- console.error(msg);
- }
- warned = true;
- }
- return fn.apply(this, arguments);
- }
+ var lenR = buffer[3]
+ if (lenR === 0) return false
+ if (5 + lenR >= buffer.length) return false
+ if (buffer[4 + lenR] !== 0x02) return false
- return deprecated;
-};
+ var lenS = buffer[5 + lenR]
+ if (lenS === 0) return false
+ if ((6 + lenR + lenS) !== buffer.length) return false
+
+ if (buffer[4] & 0x80) return false
+ if (lenR > 1 && (buffer[4] === 0x00) && !(buffer[5] & 0x80)) return false
+
+ if (buffer[lenR + 6] & 0x80) return false
+ if (lenS > 1 && (buffer[lenR + 6] === 0x00) && !(buffer[lenR + 7] & 0x80)) return false
+ return true
+}
+
+function decode (buffer) {
+ if (buffer.length < 8) throw new Error('DER sequence length is too short')
+ if (buffer.length > 72) throw new Error('DER sequence length is too long')
+ if (buffer[0] !== 0x30) throw new Error('Expected DER sequence')
+ if (buffer[1] !== buffer.length - 2) throw new Error('DER sequence length is invalid')
+ if (buffer[2] !== 0x02) throw new Error('Expected DER integer')
+ var lenR = buffer[3]
+ if (lenR === 0) throw new Error('R length is zero')
+ if (5 + lenR >= buffer.length) throw new Error('R length is too long')
+ if (buffer[4 + lenR] !== 0x02) throw new Error('Expected DER integer (2)')
+
+ var lenS = buffer[5 + lenR]
+ if (lenS === 0) throw new Error('S length is zero')
+ if ((6 + lenR + lenS) !== buffer.length) throw new Error('S length is invalid')
-var debugs = {};
-var debugEnviron;
-exports.debuglog = function(set) {
- if (isUndefined(debugEnviron))
- debugEnviron = process.env.NODE_DEBUG || '';
- set = set.toUpperCase();
- if (!debugs[set]) {
- if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
- var pid = process.pid;
- debugs[set] = function() {
- var msg = exports.format.apply(exports, arguments);
- console.error('%s %d: %s', set, pid, msg);
- };
- } else {
- debugs[set] = function() {};
- }
- }
- return debugs[set];
-};
+ if (buffer[4] & 0x80) throw new Error('R value is negative')
+ if (lenR > 1 && (buffer[4] === 0x00) && !(buffer[5] & 0x80)) throw new Error('R value excessively padded')
+ if (buffer[lenR + 6] & 0x80) throw new Error('S value is negative')
+ if (lenS > 1 && (buffer[lenR + 6] === 0x00) && !(buffer[lenR + 7] & 0x80)) throw new Error('S value excessively padded')
-/**
- * Echos the value of a value. Trys to print the value out
- * in the best way possible given the different types.
- *
- * @param {Object} obj The object to print out.
- * @param {Object} opts Optional options object that alters the output.
- */
-/* legacy: obj, showHidden, depth, colors*/
-function inspect(obj, opts) {
- // default options
- var ctx = {
- seen: [],
- stylize: stylizeNoColor
- };
- // legacy...
- if (arguments.length >= 3) ctx.depth = arguments[2];
- if (arguments.length >= 4) ctx.colors = arguments[3];
- if (isBoolean(opts)) {
- // legacy...
- ctx.showHidden = opts;
- } else if (opts) {
- // got an "options" object
- exports._extend(ctx, opts);
+ // non-BIP66 - extract R, S values
+ return {
+ r: buffer.slice(4, 4 + lenR),
+ s: buffer.slice(6 + lenR)
}
- // set default options
- if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
- if (isUndefined(ctx.depth)) ctx.depth = 2;
- if (isUndefined(ctx.colors)) ctx.colors = false;
- if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
- if (ctx.colors) ctx.stylize = stylizeWithColor;
- return formatValue(ctx, obj, ctx.depth);
}
-exports.inspect = inspect;
+/*
+ * Expects r and s to be positive DER integers.
+ *
+ * The DER format uses the most significant bit as a sign bit (& 0x80).
+ * If the significant bit is set AND the integer is positive, a 0x00 is prepended.
+ *
+ * Examples:
+ *
+ * 0 => 0x00
+ * 1 => 0x01
+ * -1 => 0xff
+ * 127 => 0x7f
+ * -127 => 0x81
+ * 128 => 0x0080
+ * -128 => 0x80
+ * 255 => 0x00ff
+ * -255 => 0xff01
+ * 16300 => 0x3fac
+ * -16300 => 0xc054
+ * 62300 => 0x00f35c
+ * -62300 => 0xff0ca4
+*/
+function encode (r, s) {
+ var lenR = r.length
+ var lenS = s.length
+ if (lenR === 0) throw new Error('R length is zero')
+ if (lenS === 0) throw new Error('S length is zero')
+ if (lenR > 33) throw new Error('R length is too long')
+ if (lenS > 33) throw new Error('S length is too long')
+ if (r[0] & 0x80) throw new Error('R value is negative')
+ if (s[0] & 0x80) throw new Error('S value is negative')
+ if (lenR > 1 && (r[0] === 0x00) && !(r[1] & 0x80)) throw new Error('R value excessively padded')
+ if (lenS > 1 && (s[0] === 0x00) && !(s[1] & 0x80)) throw new Error('S value excessively padded')
-// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
-inspect.colors = {
- 'bold' : [1, 22],
- 'italic' : [3, 23],
- 'underline' : [4, 24],
- 'inverse' : [7, 27],
- 'white' : [37, 39],
- 'grey' : [90, 39],
- 'black' : [30, 39],
- 'blue' : [34, 39],
- 'cyan' : [36, 39],
- 'green' : [32, 39],
- 'magenta' : [35, 39],
- 'red' : [31, 39],
- 'yellow' : [33, 39]
-};
-
-// Don't use 'blue' not visible on cmd.exe
-inspect.styles = {
- 'special': 'cyan',
- 'number': 'yellow',
- 'boolean': 'yellow',
- 'undefined': 'grey',
- 'null': 'bold',
- 'string': 'green',
- 'date': 'magenta',
- // "name": intentionally not styling
- 'regexp': 'red'
-};
+ var signature = Buffer.allocUnsafe(6 + lenR + lenS)
+ // 0x30 [total-length] 0x02 [R-length] [R] 0x02 [S-length] [S]
+ signature[0] = 0x30
+ signature[1] = signature.length - 2
+ signature[2] = 0x02
+ signature[3] = r.length
+ r.copy(signature, 4)
+ signature[4 + lenR] = 0x02
+ signature[5 + lenR] = s.length
+ s.copy(signature, 6 + lenR)
-function stylizeWithColor(str, styleType) {
- var style = inspect.styles[styleType];
+ return signature
+}
- if (style) {
- return '\u001b[' + inspect.colors[style][0] + 'm' + str +
- '\u001b[' + inspect.colors[style][1] + 'm';
- } else {
- return str;
- }
+module.exports = {
+ check: check,
+ decode: decode,
+ encode: encode
}
+},{"safe-buffer":98}],40:[function(require,module,exports){
+module.exports={
+ "OP_FALSE": 0,
+ "OP_0": 0,
+ "OP_PUSHDATA1": 76,
+ "OP_PUSHDATA2": 77,
+ "OP_PUSHDATA4": 78,
+ "OP_1NEGATE": 79,
+ "OP_RESERVED": 80,
+ "OP_1": 81,
+ "OP_TRUE": 81,
+ "OP_2": 82,
+ "OP_3": 83,
+ "OP_4": 84,
+ "OP_5": 85,
+ "OP_6": 86,
+ "OP_7": 87,
+ "OP_8": 88,
+ "OP_9": 89,
+ "OP_10": 90,
+ "OP_11": 91,
+ "OP_12": 92,
+ "OP_13": 93,
+ "OP_14": 94,
+ "OP_15": 95,
+ "OP_16": 96,
+
+ "OP_NOP": 97,
+ "OP_VER": 98,
+ "OP_IF": 99,
+ "OP_NOTIF": 100,
+ "OP_VERIF": 101,
+ "OP_VERNOTIF": 102,
+ "OP_ELSE": 103,
+ "OP_ENDIF": 104,
+ "OP_VERIFY": 105,
+ "OP_RETURN": 106,
+
+ "OP_TOALTSTACK": 107,
+ "OP_FROMALTSTACK": 108,
+ "OP_2DROP": 109,
+ "OP_2DUP": 110,
+ "OP_3DUP": 111,
+ "OP_2OVER": 112,
+ "OP_2ROT": 113,
+ "OP_2SWAP": 114,
+ "OP_IFDUP": 115,
+ "OP_DEPTH": 116,
+ "OP_DROP": 117,
+ "OP_DUP": 118,
+ "OP_NIP": 119,
+ "OP_OVER": 120,
+ "OP_PICK": 121,
+ "OP_ROLL": 122,
+ "OP_ROT": 123,
+ "OP_SWAP": 124,
+ "OP_TUCK": 125,
+
+ "OP_CAT": 126,
+ "OP_SUBSTR": 127,
+ "OP_LEFT": 128,
+ "OP_RIGHT": 129,
+ "OP_SIZE": 130,
+
+ "OP_INVERT": 131,
+ "OP_AND": 132,
+ "OP_OR": 133,
+ "OP_XOR": 134,
+ "OP_EQUAL": 135,
+ "OP_EQUALVERIFY": 136,
+ "OP_RESERVED1": 137,
+ "OP_RESERVED2": 138,
+
+ "OP_1ADD": 139,
+ "OP_1SUB": 140,
+ "OP_2MUL": 141,
+ "OP_2DIV": 142,
+ "OP_NEGATE": 143,
+ "OP_ABS": 144,
+ "OP_NOT": 145,
+ "OP_0NOTEQUAL": 146,
+ "OP_ADD": 147,
+ "OP_SUB": 148,
+ "OP_MUL": 149,
+ "OP_DIV": 150,
+ "OP_MOD": 151,
+ "OP_LSHIFT": 152,
+ "OP_RSHIFT": 153,
+
+ "OP_BOOLAND": 154,
+ "OP_BOOLOR": 155,
+ "OP_NUMEQUAL": 156,
+ "OP_NUMEQUALVERIFY": 157,
+ "OP_NUMNOTEQUAL": 158,
+ "OP_LESSTHAN": 159,
+ "OP_GREATERTHAN": 160,
+ "OP_LESSTHANOREQUAL": 161,
+ "OP_GREATERTHANOREQUAL": 162,
+ "OP_MIN": 163,
+ "OP_MAX": 164,
+
+ "OP_WITHIN": 165,
+
+ "OP_RIPEMD160": 166,
+ "OP_SHA1": 167,
+ "OP_SHA256": 168,
+ "OP_HASH160": 169,
+ "OP_HASH256": 170,
+ "OP_CODESEPARATOR": 171,
+ "OP_CHECKSIG": 172,
+ "OP_CHECKSIGVERIFY": 173,
+ "OP_CHECKMULTISIG": 174,
+ "OP_CHECKMULTISIGVERIFY": 175,
+
+ "OP_NOP1": 176,
+ "OP_NOP2": 177,
+ "OP_CHECKLOCKTIMEVERIFY": 177,
+
+ "OP_NOP3": 178,
+ "OP_NOP4": 179,
+ "OP_NOP5": 180,
+ "OP_NOP6": 181,
+ "OP_NOP7": 182,
+ "OP_NOP8": 183,
+ "OP_NOP9": 184,
+ "OP_NOP10": 185,
+
+ "OP_PUBKEYHASH": 253,
+ "OP_PUBKEY": 254,
+ "OP_INVALIDOPCODE": 255
+}
+
+},{}],41:[function(require,module,exports){
+var OPS = require('./index.json')
+
+var map = {}
+for (var op in OPS) {
+ var code = OPS[op]
+ map[code] = op
+}
+
+module.exports = map
+
+},{"./index.json":40}],42:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var bs58check = require('bs58check')
+var bscript = require('./script')
+var networks = require('./networks')
+var typeforce = require('typeforce')
+var types = require('./types')
+
+function fromBase58Check (address) {
+ var payload = bs58check.decode(address)
+ if (payload.length < 21) throw new TypeError(address + ' is too short')
+ if (payload.length > 21) throw new TypeError(address + ' is too long')
-function stylizeNoColor(str, styleType) {
- return str;
+ var version = payload.readUInt8(0)
+ var hash = payload.slice(1)
+
+ return { hash: hash, version: version }
}
+function toBase58Check (hash, version) {
+ typeforce(types.tuple(types.Hash160bit, types.UInt8), arguments)
-function arrayToHash(array) {
- var hash = {};
+ var payload = Buffer.allocUnsafe(21)
+ payload.writeUInt8(version, 0)
+ hash.copy(payload, 1)
- array.forEach(function(val, idx) {
- hash[val] = true;
- });
+ return bs58check.encode(payload)
+}
- return hash;
+function fromOutputScript (outputScript, network) {
+ network = network || networks.bitcoin
+
+ if (bscript.pubKeyHash.output.check(outputScript)) return toBase58Check(bscript.compile(outputScript).slice(3, 23), network.pubKeyHash)
+ if (bscript.scriptHash.output.check(outputScript)) return toBase58Check(bscript.compile(outputScript).slice(2, 22), network.scriptHash)
+
+ throw new Error(bscript.toASM(outputScript) + ' has no matching Address')
}
+function toOutputScript (address, network) {
+ network = network || networks.bitcoin
-function formatValue(ctx, value, recurseTimes) {
- // Provide a hook for user-specified inspect functions.
- // Check that value is an object with an inspect function on it
- if (ctx.customInspect &&
- value &&
- isFunction(value.inspect) &&
- // Filter out the util module, it's inspect function is special
- value.inspect !== exports.inspect &&
- // Also filter out any prototype objects using the circular check.
- !(value.constructor && value.constructor.prototype === value)) {
- var ret = value.inspect(recurseTimes, ctx);
- if (!isString(ret)) {
- ret = formatValue(ctx, ret, recurseTimes);
- }
- return ret;
- }
+ var decode = fromBase58Check(address)
+ if (decode.version === network.pubKeyHash) return bscript.pubKeyHash.output.encode(decode.hash)
+ if (decode.version === network.scriptHash) return bscript.scriptHash.output.encode(decode.hash)
- // Primitive types cannot have properties
- var primitive = formatPrimitive(ctx, value);
- if (primitive) {
- return primitive;
- }
+ throw new Error(address + ' has no matching Script')
+}
- // Look up the keys of the object.
- var keys = Object.keys(value);
- var visibleKeys = arrayToHash(keys);
+module.exports = {
+ fromBase58Check: fromBase58Check,
+ fromOutputScript: fromOutputScript,
+ toBase58Check: toBase58Check,
+ toOutputScript: toOutputScript
+}
- if (ctx.showHidden) {
- keys = Object.getOwnPropertyNames(value);
- }
+},{"./networks":51,"./script":52,"./types":78,"bs58check":80,"safe-buffer":98,"typeforce":109}],43:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var bcrypto = require('./crypto')
+var fastMerkleRoot = require('merkle-lib/fastRoot')
+var typeforce = require('typeforce')
+var types = require('./types')
+var varuint = require('varuint-bitcoin')
- // IE doesn't make error fields non-enumerable
- // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
- if (isError(value)
- && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
- return formatError(value);
- }
+var Transaction = require('./transaction')
- // Some type of object without properties can be shortcutted.
- if (keys.length === 0) {
- if (isFunction(value)) {
- var name = value.name ? ': ' + value.name : '';
- return ctx.stylize('[Function' + name + ']', 'special');
- }
- if (isRegExp(value)) {
- return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
- }
- if (isDate(value)) {
- return ctx.stylize(Date.prototype.toString.call(value), 'date');
- }
- if (isError(value)) {
- return formatError(value);
- }
- }
+function Block () {
+ this.version = 1
+ this.prevHash = null
+ this.merkleRoot = null
+ this.timestamp = 0
+ this.bits = 0
+ this.nonce = 0
+}
- var base = '', array = false, braces = ['{', '}'];
+Block.fromBuffer = function (buffer) {
+ if (buffer.length < 80) throw new Error('Buffer too small (< 80 bytes)')
- // Make Array say that they are Array
- if (isArray(value)) {
- array = true;
- braces = ['[', ']'];
+ var offset = 0
+ function readSlice (n) {
+ offset += n
+ return buffer.slice(offset - n, offset)
}
- // Make functions say that they are functions
- if (isFunction(value)) {
- var n = value.name ? ': ' + value.name : '';
- base = ' [Function' + n + ']';
+ function readUInt32 () {
+ var i = buffer.readUInt32LE(offset)
+ offset += 4
+ return i
}
- // Make RegExps say that they are RegExps
- if (isRegExp(value)) {
- base = ' ' + RegExp.prototype.toString.call(value);
+ function readInt32 () {
+ var i = buffer.readInt32LE(offset)
+ offset += 4
+ return i
}
- // Make dates with properties first say the date
- if (isDate(value)) {
- base = ' ' + Date.prototype.toUTCString.call(value);
- }
+ var block = new Block()
+ block.version = readInt32()
+ block.prevHash = readSlice(32)
+ block.merkleRoot = readSlice(32)
+ block.timestamp = readUInt32()
+ block.bits = readUInt32()
+ block.nonce = readUInt32()
- // Make error with message first say the error
- if (isError(value)) {
- base = ' ' + formatError(value);
- }
+ if (buffer.length === 80) return block
- if (keys.length === 0 && (!array || value.length == 0)) {
- return braces[0] + base + braces[1];
+ function readVarInt () {
+ var vi = varuint.decode(buffer, offset)
+ offset += varuint.decode.bytes
+ return vi
}
- if (recurseTimes < 0) {
- if (isRegExp(value)) {
- return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
- } else {
- return ctx.stylize('[Object]', 'special');
- }
+ function readTransaction () {
+ var tx = Transaction.fromBuffer(buffer.slice(offset), true)
+ offset += tx.byteLength()
+ return tx
}
- ctx.seen.push(value);
+ var nTransactions = readVarInt()
+ block.transactions = []
- var output;
- if (array) {
- output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
- } else {
- output = keys.map(function(key) {
- return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
- });
+ for (var i = 0; i < nTransactions; ++i) {
+ var tx = readTransaction()
+ block.transactions.push(tx)
}
- ctx.seen.pop();
-
- return reduceToSingleString(output, base, braces);
+ return block
}
+Block.prototype.byteLength = function (headersOnly) {
+ if (headersOnly || !this.transactions) return 80
-function formatPrimitive(ctx, value) {
- if (isUndefined(value))
- return ctx.stylize('undefined', 'undefined');
- if (isString(value)) {
- var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
- .replace(/'/g, "\\'")
- .replace(/\\"/g, '"') + '\'';
- return ctx.stylize(simple, 'string');
- }
- if (isNumber(value))
- return ctx.stylize('' + value, 'number');
- if (isBoolean(value))
- return ctx.stylize('' + value, 'boolean');
- // For some reason typeof null is "object", so special case here.
- if (isNull(value))
- return ctx.stylize('null', 'null');
+ return 80 + varuint.encodingLength(this.transactions.length) + this.transactions.reduce(function (a, x) {
+ return a + x.byteLength()
+ }, 0)
}
+Block.fromHex = function (hex) {
+ return Block.fromBuffer(Buffer.from(hex, 'hex'))
+}
-function formatError(value) {
- return '[' + Error.prototype.toString.call(value) + ']';
+Block.prototype.getHash = function () {
+ return bcrypto.hash256(this.toBuffer(true))
}
+Block.prototype.getId = function () {
+ return this.getHash().reverse().toString('hex')
+}
-function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
- var output = [];
- for (var i = 0, l = value.length; i < l; ++i) {
- if (hasOwnProperty(value, String(i))) {
- output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
- String(i), true));
- } else {
- output.push('');
- }
- }
- keys.forEach(function(key) {
- if (!key.match(/^\d+$/)) {
- output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
- key, true));
- }
- });
- return output;
+Block.prototype.getUTCDate = function () {
+ var date = new Date(0) // epoch
+ date.setUTCSeconds(this.timestamp)
+
+ return date
}
+// TODO: buffer, offset compatibility
+Block.prototype.toBuffer = function (headersOnly) {
+ var buffer = Buffer.allocUnsafe(this.byteLength(headersOnly))
-function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
- var name, str, desc;
- desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
- if (desc.get) {
- if (desc.set) {
- str = ctx.stylize('[Getter/Setter]', 'special');
- } else {
- str = ctx.stylize('[Getter]', 'special');
- }
- } else {
- if (desc.set) {
- str = ctx.stylize('[Setter]', 'special');
- }
- }
- if (!hasOwnProperty(visibleKeys, key)) {
- name = '[' + key + ']';
+ var offset = 0
+ function writeSlice (slice) {
+ slice.copy(buffer, offset)
+ offset += slice.length
}
- if (!str) {
- if (ctx.seen.indexOf(desc.value) < 0) {
- if (isNull(recurseTimes)) {
- str = formatValue(ctx, desc.value, null);
- } else {
- str = formatValue(ctx, desc.value, recurseTimes - 1);
- }
- if (str.indexOf('\n') > -1) {
- if (array) {
- str = str.split('\n').map(function(line) {
- return ' ' + line;
- }).join('\n').substr(2);
- } else {
- str = '\n' + str.split('\n').map(function(line) {
- return ' ' + line;
- }).join('\n');
- }
- }
- } else {
- str = ctx.stylize('[Circular]', 'special');
- }
+
+ function writeInt32 (i) {
+ buffer.writeInt32LE(i, offset)
+ offset += 4
}
- if (isUndefined(name)) {
- if (array && key.match(/^\d+$/)) {
- return str;
- }
- name = JSON.stringify('' + key);
- if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
- name = name.substr(1, name.length - 2);
- name = ctx.stylize(name, 'name');
- } else {
- name = name.replace(/'/g, "\\'")
- .replace(/\\"/g, '"')
- .replace(/(^"|"$)/g, "'");
- name = ctx.stylize(name, 'string');
- }
+ function writeUInt32 (i) {
+ buffer.writeUInt32LE(i, offset)
+ offset += 4
}
- return name + ': ' + str;
+ writeInt32(this.version)
+ writeSlice(this.prevHash)
+ writeSlice(this.merkleRoot)
+ writeUInt32(this.timestamp)
+ writeUInt32(this.bits)
+ writeUInt32(this.nonce)
+
+ if (headersOnly || !this.transactions) return buffer
+
+ varuint.encode(this.transactions.length, buffer, offset)
+ offset += varuint.encode.bytes
+
+ this.transactions.forEach(function (tx) {
+ var txSize = tx.byteLength() // TODO: extract from toBuffer?
+ tx.toBuffer(buffer, offset)
+ offset += txSize
+ })
+
+ return buffer
}
+Block.prototype.toHex = function (headersOnly) {
+ return this.toBuffer(headersOnly).toString('hex')
+}
-function reduceToSingleString(output, base, braces) {
- var numLinesEst = 0;
- var length = output.reduce(function(prev, cur) {
- numLinesEst++;
- if (cur.indexOf('\n') >= 0) numLinesEst++;
- return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
- }, 0);
+Block.calculateTarget = function (bits) {
+ var exponent = ((bits & 0xff000000) >> 24) - 3
+ var mantissa = bits & 0x007fffff
+ var target = Buffer.alloc(32, 0)
+ target.writeUInt32BE(mantissa, 28 - exponent)
+ return target
+}
- if (length > 60) {
- return braces[0] +
- (base === '' ? '' : base + '\n ') +
- ' ' +
- output.join(',\n ') +
- ' ' +
- braces[1];
- }
+Block.calculateMerkleRoot = function (transactions) {
+ typeforce([{ getHash: types.Function }], transactions)
+ if (transactions.length === 0) throw TypeError('Cannot compute merkle root for zero transactions')
- return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+ var hashes = transactions.map(function (transaction) {
+ return transaction.getHash()
+ })
+
+ return fastMerkleRoot(hashes, bcrypto.hash256)
}
+Block.prototype.checkMerkleRoot = function () {
+ if (!this.transactions) return false
-// NOTE: These type checking functions intentionally don't use `instanceof`
-// because it is fragile and can be easily faked with `Object.create()`.
-function isArray(ar) {
- return Array.isArray(ar);
+ var actualMerkleRoot = Block.calculateMerkleRoot(this.transactions)
+ return this.merkleRoot.compare(actualMerkleRoot) === 0
}
-exports.isArray = isArray;
-function isBoolean(arg) {
- return typeof arg === 'boolean';
+Block.prototype.checkProofOfWork = function () {
+ var hash = this.getHash().reverse()
+ var target = Block.calculateTarget(this.bits)
+
+ return hash.compare(target) <= 0
}
-exports.isBoolean = isBoolean;
-function isNull(arg) {
- return arg === null;
+module.exports = Block
+
+},{"./crypto":45,"./transaction":76,"./types":78,"merkle-lib/fastRoot":94,"safe-buffer":98,"typeforce":109,"varuint-bitcoin":111}],44:[function(require,module,exports){
+var pushdata = require('pushdata-bitcoin')
+var varuint = require('varuint-bitcoin')
+
+// https://github.com/feross/buffer/blob/master/index.js#L1127
+function verifuint (value, max) {
+ if (typeof value !== 'number') throw new Error('cannot write a non-number as a number')
+ if (value < 0) throw new Error('specified a negative value for writing an unsigned value')
+ if (value > max) throw new Error('RangeError: value out of range')
+ if (Math.floor(value) !== value) throw new Error('value has a fractional component')
}
-exports.isNull = isNull;
-function isNullOrUndefined(arg) {
- return arg == null;
+function readUInt64LE (buffer, offset) {
+ var a = buffer.readUInt32LE(offset)
+ var b = buffer.readUInt32LE(offset + 4)
+ b *= 0x100000000
+
+ verifuint(b + a, 0x001fffffffffffff)
+
+ return b + a
}
-exports.isNullOrUndefined = isNullOrUndefined;
-function isNumber(arg) {
- return typeof arg === 'number';
+function writeUInt64LE (buffer, value, offset) {
+ verifuint(value, 0x001fffffffffffff)
+
+ buffer.writeInt32LE(value & -1, offset)
+ buffer.writeUInt32LE(Math.floor(value / 0x100000000), offset + 4)
+ return offset + 8
}
-exports.isNumber = isNumber;
-function isString(arg) {
- return typeof arg === 'string';
+// TODO: remove in 4.0.0?
+function readVarInt (buffer, offset) {
+ var result = varuint.decode(buffer, offset)
+
+ return {
+ number: result,
+ size: varuint.decode.bytes
+ }
}
-exports.isString = isString;
-function isSymbol(arg) {
- return typeof arg === 'symbol';
+// TODO: remove in 4.0.0?
+function writeVarInt (buffer, number, offset) {
+ varuint.encode(number, buffer, offset)
+ return varuint.encode.bytes
}
-exports.isSymbol = isSymbol;
-function isUndefined(arg) {
- return arg === void 0;
+module.exports = {
+ pushDataSize: pushdata.encodingLength,
+ readPushDataInt: pushdata.decode,
+ readUInt64LE: readUInt64LE,
+ readVarInt: readVarInt,
+ varIntBuffer: varuint.encode,
+ varIntSize: varuint.encodingLength,
+ writePushDataInt: pushdata.encode,
+ writeUInt64LE: writeUInt64LE,
+ writeVarInt: writeVarInt
}
-exports.isUndefined = isUndefined;
-function isRegExp(re) {
- return isObject(re) && objectToString(re) === '[object RegExp]';
+},{"pushdata-bitcoin":95,"varuint-bitcoin":111}],45:[function(require,module,exports){
+var createHash = require('create-hash')
+
+function ripemd160 (buffer) {
+ return createHash('rmd160').update(buffer).digest()
}
-exports.isRegExp = isRegExp;
-function isObject(arg) {
- return typeof arg === 'object' && arg !== null;
+function sha1 (buffer) {
+ return createHash('sha1').update(buffer).digest()
}
-exports.isObject = isObject;
-function isDate(d) {
- return isObject(d) && objectToString(d) === '[object Date]';
+function sha256 (buffer) {
+ return createHash('sha256').update(buffer).digest()
}
-exports.isDate = isDate;
-function isError(e) {
- return isObject(e) &&
- (objectToString(e) === '[object Error]' || e instanceof Error);
+function hash160 (buffer) {
+ return ripemd160(sha256(buffer))
}
-exports.isError = isError;
-function isFunction(arg) {
- return typeof arg === 'function';
+function hash256 (buffer) {
+ return sha256(sha256(buffer))
}
-exports.isFunction = isFunction;
-function isPrimitive(arg) {
- return arg === null ||
- typeof arg === 'boolean' ||
- typeof arg === 'number' ||
- typeof arg === 'string' ||
- typeof arg === 'symbol' || // ES6 symbol
- typeof arg === 'undefined';
+module.exports = {
+ hash160: hash160,
+ hash256: hash256,
+ ripemd160: ripemd160,
+ sha1: sha1,
+ sha256: sha256
}
-exports.isPrimitive = isPrimitive;
-exports.isBuffer = require('./support/isBuffer');
+},{"create-hash":82}],46:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var createHmac = require('create-hmac')
+var typeforce = require('typeforce')
+var types = require('./types')
-function objectToString(o) {
- return Object.prototype.toString.call(o);
-}
+var BigInteger = require('bigi')
+var ECSignature = require('./ecsignature')
+var ZERO = Buffer.alloc(1, 0)
+var ONE = Buffer.alloc(1, 1)
-function pad(n) {
- return n < 10 ? '0' + n.toString(10) : n.toString(10);
-}
+var ecurve = require('ecurve')
+var secp256k1 = ecurve.getCurveByName('secp256k1')
+// https://tools.ietf.org/html/rfc6979#section-3.2
+function deterministicGenerateK (hash, x, checkSig) {
+ typeforce(types.tuple(
+ types.Hash256bit,
+ types.Buffer256bit,
+ types.Function
+ ), arguments)
-var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
- 'Oct', 'Nov', 'Dec'];
+ // Step A, ignored as hash already provided
+ // Step B
+ // Step C
+ var k = Buffer.alloc(32, 0)
+ var v = Buffer.alloc(32, 1)
-// 26 Feb 16:19:34
-function timestamp() {
- var d = new Date();
- var time = [pad(d.getHours()),
- pad(d.getMinutes()),
- pad(d.getSeconds())].join(':');
- return [d.getDate(), months[d.getMonth()], time].join(' ');
-}
+ // Step D
+ k = createHmac('sha256', k)
+ .update(v)
+ .update(ZERO)
+ .update(x)
+ .update(hash)
+ .digest()
+ // Step E
+ v = createHmac('sha256', k).update(v).digest()
-// log is just a thin wrapper to console.log that prepends a timestamp
-exports.log = function() {
- console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
-};
+ // Step F
+ k = createHmac('sha256', k)
+ .update(v)
+ .update(ONE)
+ .update(x)
+ .update(hash)
+ .digest()
+ // Step G
+ v = createHmac('sha256', k).update(v).digest()
-/**
- * Inherit the prototype methods from one constructor into another.
- *
- * The Function.prototype.inherits from lang.js rewritten as a standalone
- * function (not on Function.prototype). NOTE: If this file is to be loaded
- * during bootstrapping this function needs to be rewritten using some native
- * functions as prototype setup using normal JavaScript does not work as
- * expected during bootstrapping (see mirror.js in r114903).
- *
- * @param {function} ctor Constructor function which needs to inherit the
- * prototype.
- * @param {function} superCtor Constructor function to inherit prototype from.
- */
-exports.inherits = require('inherits');
+ // Step H1/H2a, ignored as tlen === qlen (256 bit)
+ // Step H2b
+ v = createHmac('sha256', k).update(v).digest()
-exports._extend = function(origin, add) {
- // Don't do anything if add isn't an object
- if (!add || !isObject(add)) return origin;
+ var T = BigInteger.fromBuffer(v)
- var keys = Object.keys(add);
- var i = keys.length;
- while (i--) {
- origin[keys[i]] = add[keys[i]];
- }
- return origin;
-};
+ // Step H3, repeat until T is within the interval [1, n - 1] and is suitable for ECDSA
+ while (T.signum() <= 0 || T.compareTo(secp256k1.n) >= 0 || !checkSig(T)) {
+ k = createHmac('sha256', k)
+ .update(v)
+ .update(ZERO)
+ .digest()
-function hasOwnProperty(obj, prop) {
- return Object.prototype.hasOwnProperty.call(obj, prop);
-}
+ v = createHmac('sha256', k).update(v).digest()
-}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./support/isBuffer":28,"_process":14,"inherits":12}],30:[function(require,module,exports){
-// Base58 encoding/decoding
-// Originally written by Mike Hearn for BitcoinJ
-// Copyright (c) 2011 Google Inc
-// Ported to JavaScript by Stefan Thomas
-// Merged Buffer refactorings from base58-native by Stephen Pair
-// Copyright (c) 2013 BitPay Inc
+ // Step H1/H2a, again, ignored as tlen === qlen (256 bit)
+ // Step H2b again
+ v = createHmac('sha256', k).update(v).digest()
+ T = BigInteger.fromBuffer(v)
+ }
-var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
-var ALPHABET_MAP = {}
-for(var i = 0; i < ALPHABET.length; i++) {
- ALPHABET_MAP[ALPHABET.charAt(i)] = i
+ return T
}
-var BASE = 58
-function encode(buffer) {
- if (buffer.length === 0) return ''
+var N_OVER_TWO = secp256k1.n.shiftRight(1)
- var i, j, digits = [0]
- for (i = 0; i < buffer.length; i++) {
- for (j = 0; j < digits.length; j++) digits[j] <<= 8
+function sign (hash, d) {
+ typeforce(types.tuple(types.Hash256bit, types.BigInt), arguments)
- digits[0] += buffer[i]
+ var x = d.toBuffer(32)
+ var e = BigInteger.fromBuffer(hash)
+ var n = secp256k1.n
+ var G = secp256k1.G
- var carry = 0
- for (j = 0; j < digits.length; ++j) {
- digits[j] += carry
+ var r, s
+ deterministicGenerateK(hash, x, function (k) {
+ var Q = G.multiply(k)
- carry = (digits[j] / BASE) | 0
- digits[j] %= BASE
- }
+ if (secp256k1.isInfinity(Q)) return false
- while (carry) {
- digits.push(carry % BASE)
+ r = Q.affineX.mod(n)
+ if (r.signum() === 0) return false
- carry = (carry / BASE) | 0
- }
- }
+ s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n)
+ if (s.signum() === 0) return false
- // deal with leading zeros
- for (i = 0; buffer[i] === 0 && i < buffer.length - 1; i++) digits.push(0)
+ return true
+ })
- // convert digits to a string
- var stringOutput = ""
- for (var i = digits.length - 1; i >= 0; i--) {
- stringOutput = stringOutput + ALPHABET[digits[i]]
+ // enforce low S values, see bip62: 'low s values in signatures'
+ if (s.compareTo(N_OVER_TWO) > 0) {
+ s = n.subtract(s)
}
- return stringOutput
+
+ return new ECSignature(r, s)
}
-function decode(string) {
- if (string.length === 0) return []
+function verify (hash, signature, Q) {
+ typeforce(types.tuple(
+ types.Hash256bit,
+ types.ECSignature,
+ types.ECPoint
+ ), arguments)
- var i, j, bytes = [0]
- for (i = 0; i < string.length; i++) {
- var c = string[i]
- if (!(c in ALPHABET_MAP)) throw new Error('Non-base58 character')
+ var n = secp256k1.n
+ var G = secp256k1.G
- for (j = 0; j < bytes.length; j++) bytes[j] *= BASE
- bytes[0] += ALPHABET_MAP[c]
+ var r = signature.r
+ var s = signature.s
- var carry = 0
- for (j = 0; j < bytes.length; ++j) {
- bytes[j] += carry
+ // 1.4.1 Enforce r and s are both integers in the interval [1, n − 1]
+ if (r.signum() <= 0 || r.compareTo(n) >= 0) return false
+ if (s.signum() <= 0 || s.compareTo(n) >= 0) return false
- carry = bytes[j] >> 8
- bytes[j] &= 0xff
- }
+ // 1.4.2 H = Hash(M), already done by the user
+ // 1.4.3 e = H
+ var e = BigInteger.fromBuffer(hash)
- while (carry) {
- bytes.push(carry & 0xff)
+ // Compute s^-1
+ var sInv = s.modInverse(n)
- carry >>= 8
- }
- }
+ // 1.4.4 Compute u1 = es^−1 mod n
+ // u2 = rs^−1 mod n
+ var u1 = e.multiply(sInv).mod(n)
+ var u2 = r.multiply(sInv).mod(n)
+
+ // 1.4.5 Compute R = (xR, yR)
+ // R = u1G + u2Q
+ var R = G.multiplyTwo(u1, Q, u2)
- // deal with leading zeros
- for (i = 0; string[i] === '1' && i < string.length - 1; i++) bytes.push(0)
+ // 1.4.5 (cont.) Enforce R is not at infinity
+ if (secp256k1.isInfinity(R)) return false
+
+ // 1.4.6 Convert the field element R.x to an integer
+ var xR = R.affineX
- return bytes.reverse()
+ // 1.4.7 Set v = xR mod n
+ var v = xR.mod(n)
+
+ // 1.4.8 If v = r, output "valid", and if v != r, output "invalid"
+ return v.equals(r)
}
module.exports = {
- encode: encode,
- decode: decode
-}
+ deterministicGenerateK: deterministicGenerateK,
+ sign: sign,
+ verify: verify,
-},{}],31:[function(require,module,exports){
-(function (Buffer){
-'use strict'
+ // TODO: remove
+ __curve: secp256k1
+}
-var base58 = require('bs58')
-var createHash = require('create-hash')
+},{"./ecsignature":48,"./types":78,"bigi":37,"create-hmac":85,"ecurve":89,"safe-buffer":98,"typeforce":109}],47:[function(require,module,exports){
+var baddress = require('./address')
+var bcrypto = require('./crypto')
+var ecdsa = require('./ecdsa')
+var randomBytes = require('randombytes')
+var typeforce = require('typeforce')
+var types = require('./types')
+var wif = require('wif')
-// SHA256(SHA256(buffer))
-function sha256x2 (buffer) {
- buffer = createHash('sha256').update(buffer).digest()
- return createHash('sha256').update(buffer).digest()
-}
+var NETWORKS = require('./networks')
+var BigInteger = require('bigi')
-// Encode a buffer as a base58-check encoded string
-function encode (payload) {
- var checksum = sha256x2(payload).slice(0, 4)
+var ecurve = require('ecurve')
+var secp256k1 = ecdsa.__curve
- return base58.encode(Buffer.concat([
- payload,
- checksum
- ]))
-}
+function ECPair (d, Q, options) {
+ if (options) {
+ typeforce({
+ compressed: types.maybe(types.Boolean),
+ network: types.maybe(types.Network)
+ }, options)
+ }
-// Decode a base58-check encoded string to a buffer
-function decode (string) {
- var buffer = new Buffer(base58.decode(string))
+ options = options || {}
- var payload = buffer.slice(0, -4)
- var checksum = buffer.slice(-4)
- var newChecksum = sha256x2(payload).slice(0, 4)
+ if (d) {
+ if (d.signum() <= 0) throw new Error('Private key must be greater than 0')
+ if (d.compareTo(secp256k1.n) >= 0) throw new Error('Private key must be less than the curve order')
+ if (Q) throw new TypeError('Unexpected publicKey parameter')
- for (var i = 0; i < newChecksum.length; ++i) {
- if (newChecksum[i] === checksum[i]) continue
+ this.d = d
+ } else {
+ typeforce(types.ECPoint, Q)
- throw new Error('Invalid checksum')
+ this.__Q = Q
}
- return payload
+ this.compressed = options.compressed === undefined ? true : options.compressed
+ this.network = options.network || NETWORKS.bitcoin
}
-module.exports = {
- encode: encode,
- decode: decode
+Object.defineProperty(ECPair.prototype, 'Q', {
+ get: function () {
+ if (!this.__Q && this.d) {
+ this.__Q = secp256k1.G.multiply(this.d)
+ }
+
+ return this.__Q
+ }
+})
+
+ECPair.fromPublicKeyBuffer = function (buffer, network) {
+ var Q = ecurve.Point.decodeFrom(secp256k1, buffer)
+
+ return new ECPair(null, Q, {
+ compressed: Q.compressed,
+ network: network
+ })
}
-}).call(this,require("buffer").Buffer)
-},{"bs58":30,"buffer":7,"create-hash":32}],32:[function(require,module,exports){
-(function (Buffer){
-'use strict';
-var inherits = require('inherits')
-var md5 = require('./md5')
-var rmd160 = require('ripemd160')
-var sha = require('sha.js')
+ECPair.fromWIF = function (string, network) {
+ var decoded = wif.decode(string)
+ var version = decoded.version
-var Transform = require('stream').Transform
+ // list of networks?
+ if (types.Array(network)) {
+ network = network.filter(function (x) {
+ return version === x.wif
+ }).pop()
-function HashNoConstructor(hash) {
- Transform.call(this)
+ if (!network) throw new Error('Unknown network version')
- this._hash = hash
- this.buffers = []
+ // otherwise, assume a network object (or default to bitcoin)
+ } else {
+ network = network || NETWORKS.bitcoin
+
+ if (version !== network.wif) throw new Error('Invalid network version')
+ }
+
+ var d = BigInteger.fromBuffer(decoded.privateKey)
+
+ return new ECPair(d, null, {
+ compressed: decoded.compressed,
+ network: network
+ })
}
-inherits(HashNoConstructor, Transform)
+ECPair.makeRandom = function (options) {
+ options = options || {}
-HashNoConstructor.prototype._transform = function (data, _, next) {
- this.buffers.push(data)
+ var rng = options.rng || randomBytes
+
+ var d
+ do {
+ var buffer = rng(32)
+ typeforce(types.Buffer256bit, buffer)
- next()
+ d = BigInteger.fromBuffer(buffer)
+ } while (d.signum() <= 0 || d.compareTo(secp256k1.n) >= 0)
+
+ return new ECPair(d, null, options)
}
-HashNoConstructor.prototype._flush = function (next) {
- this.push(this.digest())
- next()
+ECPair.prototype.getAddress = function () {
+ return baddress.toBase58Check(bcrypto.hash160(this.getPublicKeyBuffer()), this.getNetwork().pubKeyHash)
}
-HashNoConstructor.prototype.update = function (data, enc) {
- if (typeof data === 'string') {
- data = new Buffer(data, enc)
- }
+ECPair.prototype.getNetwork = function () {
+ return this.network
+}
- this.buffers.push(data)
- return this
+ECPair.prototype.getPublicKeyBuffer = function () {
+ return this.Q.getEncoded(this.compressed)
}
-HashNoConstructor.prototype.digest = function (enc) {
- var buf = Buffer.concat(this.buffers)
- var r = this._hash(buf)
- this.buffers = null
+ECPair.prototype.sign = function (hash) {
+ if (!this.d) throw new Error('Missing private key')
- return enc ? r.toString(enc) : r
+ return ecdsa.sign(hash, this.d)
}
-function Hash(hash) {
- Transform.call(this)
+ECPair.prototype.toWIF = function () {
+ if (!this.d) throw new Error('Missing private key')
- this._hash = hash
+ return wif.encode(this.network.wif, this.d.toBuffer(32), this.compressed)
}
-inherits(Hash, Transform)
+ECPair.prototype.verify = function (hash, signature) {
+ return ecdsa.verify(hash, signature, this.Q)
+}
-Hash.prototype._transform = function (data, enc, next) {
- if (enc) data = new Buffer(data, enc)
+module.exports = ECPair
- this._hash.update(data)
+},{"./address":42,"./crypto":45,"./ecdsa":46,"./networks":51,"./types":78,"bigi":37,"ecurve":89,"randombytes":96,"typeforce":109,"wif":112}],48:[function(require,module,exports){
+(function (Buffer){
+var bip66 = require('bip66')
+var typeforce = require('typeforce')
+var types = require('./types')
- next()
-}
+var BigInteger = require('bigi')
-Hash.prototype._flush = function (next) {
- this.push(this._hash.digest())
- this._hash = null
+function ECSignature (r, s) {
+ typeforce(types.tuple(types.BigInt, types.BigInt), arguments)
- next()
+ this.r = r
+ this.s = s
}
-Hash.prototype.update = function (data, enc) {
- if (typeof data === 'string') {
- data = new Buffer(data, enc)
- }
+ECSignature.parseCompact = function (buffer) {
+ if (buffer.length !== 65) throw new Error('Invalid signature length')
- this._hash.update(data)
- return this
-}
+ var flagByte = buffer.readUInt8(0) - 27
+ if (flagByte !== (flagByte & 7)) throw new Error('Invalid signature parameter')
-Hash.prototype.digest = function (enc) {
- var outData = this._hash.digest()
+ var compressed = !!(flagByte & 4)
+ var recoveryParam = flagByte & 3
- return enc ? outData.toString(enc) : outData
+ var r = BigInteger.fromBuffer(buffer.slice(1, 33))
+ var s = BigInteger.fromBuffer(buffer.slice(33))
+
+ return {
+ compressed: compressed,
+ i: recoveryParam,
+ signature: new ECSignature(r, s)
+ }
}
-module.exports = function createHash (alg) {
- if ('md5' === alg) return new HashNoConstructor(md5)
- if ('rmd160' === alg) return new HashNoConstructor(rmd160)
+ECSignature.fromDER = function (buffer) {
+ var decode = bip66.decode(buffer)
+ var r = BigInteger.fromDERInteger(decode.r)
+ var s = BigInteger.fromDERInteger(decode.s)
- return new Hash(sha(alg))
+ return new ECSignature(r, s)
}
-}).call(this,require("buffer").Buffer)
-},{"./md5":34,"buffer":7,"inherits":35,"ripemd160":36,"sha.js":38,"stream":26}],33:[function(require,module,exports){
-(function (Buffer){
-'use strict';
-var intSize = 4;
-var zeroBuffer = new Buffer(intSize); zeroBuffer.fill(0);
-var chrsz = 8;
+// BIP62: 1 byte hashType flag (only 0x01, 0x02, 0x03, 0x81, 0x82 and 0x83 are allowed)
+ECSignature.parseScriptSignature = function (buffer) {
+ var hashType = buffer.readUInt8(buffer.length - 1)
+ var hashTypeMod = hashType & ~0x80
-function toArray(buf, bigEndian) {
- if ((buf.length % intSize) !== 0) {
- var len = buf.length + (intSize - (buf.length % intSize));
- buf = Buffer.concat([buf, zeroBuffer], len);
- }
+ if (hashTypeMod <= 0x00 || hashTypeMod >= 0x04) throw new Error('Invalid hashType ' + hashType)
- var arr = [];
- var fn = bigEndian ? buf.readInt32BE : buf.readInt32LE;
- for (var i = 0; i < buf.length; i += intSize) {
- arr.push(fn.call(buf, i));
+ return {
+ signature: ECSignature.fromDER(buffer.slice(0, -1)),
+ hashType: hashType
}
- return arr;
}
-function toBuffer(arr, size, bigEndian) {
- var buf = new Buffer(size);
- var fn = bigEndian ? buf.writeInt32BE : buf.writeInt32LE;
- for (var i = 0; i < arr.length; i++) {
- fn.call(buf, arr[i], i * 4, true);
+ECSignature.prototype.toCompact = function (i, compressed) {
+ if (compressed) {
+ i += 4
}
- return buf;
-}
-function hash(buf, fn, hashSize, bigEndian) {
- if (!Buffer.isBuffer(buf)) buf = new Buffer(buf);
- var arr = fn(toArray(buf, bigEndian), buf.length * chrsz);
- return toBuffer(arr, hashSize, bigEndian);
+ i += 27
+
+ var buffer = Buffer.alloc(65)
+ buffer.writeUInt8(i, 0)
+ this.r.toBuffer(32).copy(buffer, 1)
+ this.s.toBuffer(32).copy(buffer, 33)
+
+ return buffer
}
-exports.hash = hash;
-}).call(this,require("buffer").Buffer)
-},{"buffer":7}],34:[function(require,module,exports){
-'use strict';
-/*
- * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
- * Digest Algorithm, as defined in RFC 1321.
- * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
- * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
- * Distributed under the BSD License
- * See http://pajhome.org.uk/crypt/md5 for more info.
- */
-var helpers = require('./helpers');
+ECSignature.prototype.toDER = function () {
+ var r = Buffer.from(this.r.toDERInteger())
+ var s = Buffer.from(this.s.toDERInteger())
-/*
- * Calculate the MD5 of an array of little-endian words, and a bit length
- */
-function core_md5(x, len)
-{
- /* append padding */
- x[len >> 5] |= 0x80 << ((len) % 32);
- x[(((len + 64) >>> 9) << 4) + 14] = len;
+ return bip66.encode(r, s)
+}
- var a = 1732584193;
- var b = -271733879;
- var c = -1732584194;
- var d = 271733878;
+ECSignature.prototype.toScriptSignature = function (hashType) {
+ var hashTypeMod = hashType & ~0x80
+ if (hashTypeMod <= 0 || hashTypeMod >= 4) throw new Error('Invalid hashType ' + hashType)
- for(var i = 0; i < x.length; i += 16)
- {
- var olda = a;
- var oldb = b;
- var oldc = c;
- var oldd = d;
+ var hashTypeBuffer = Buffer.alloc(1)
+ hashTypeBuffer.writeUInt8(hashType, 0)
- a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
- d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
- c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
- b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
- a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
- d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
- c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
- b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
- a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
- d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
- c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
- b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
- a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
- d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
- c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
- b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);
+ return Buffer.concat([this.toDER(), hashTypeBuffer])
+}
- a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
- d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
- c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
- b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
- a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
- d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
- c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
- b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
- a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
- d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
- c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
- b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
- a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
- d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
- c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
- b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
+module.exports = ECSignature
- a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
- d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
- c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
- b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
- a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
- d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
- c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
- b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
- a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
- d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
- c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
- b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
- a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
- d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
- c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
- b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
+}).call(this,require("buffer").Buffer)
+},{"./types":78,"bigi":37,"bip66":39,"buffer":4,"typeforce":109}],49:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var base58check = require('bs58check')
+var bcrypto = require('./crypto')
+var createHmac = require('create-hmac')
+var typeforce = require('typeforce')
+var types = require('./types')
+var NETWORKS = require('./networks')
- a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
- d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
- c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
- b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
- a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
- d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
- c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
- b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
- a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
- d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
- c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
- b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
- a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
- d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
- c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
- b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
+var BigInteger = require('bigi')
+var ECPair = require('./ecpair')
- a = safe_add(a, olda);
- b = safe_add(b, oldb);
- c = safe_add(c, oldc);
- d = safe_add(d, oldd);
- }
- return Array(a, b, c, d);
+var ecurve = require('ecurve')
+var curve = ecurve.getCurveByName('secp256k1')
-}
+function HDNode (keyPair, chainCode) {
+ typeforce(types.tuple('ECPair', types.Buffer256bit), arguments)
-/*
- * These functions implement the four basic operations the algorithm uses.
- */
-function md5_cmn(q, a, b, x, s, t)
-{
- return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
-}
-function md5_ff(a, b, c, d, x, s, t)
-{
- return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
-}
-function md5_gg(a, b, c, d, x, s, t)
-{
- return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
-}
-function md5_hh(a, b, c, d, x, s, t)
-{
- return md5_cmn(b ^ c ^ d, a, b, x, s, t);
-}
-function md5_ii(a, b, c, d, x, s, t)
-{
- return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
-}
+ if (!keyPair.compressed) throw new TypeError('BIP32 only allows compressed keyPairs')
-/*
- * Add integers, wrapping at 2^32. This uses 16-bit operations internally
- * to work around bugs in some JS interpreters.
- */
-function safe_add(x, y)
-{
- var lsw = (x & 0xFFFF) + (y & 0xFFFF);
- var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
- return (msw << 16) | (lsw & 0xFFFF);
+ this.keyPair = keyPair
+ this.chainCode = chainCode
+ this.depth = 0
+ this.index = 0
+ this.parentFingerprint = 0x00000000
}
-/*
- * Bitwise rotate a 32-bit number to the left.
- */
-function bit_rol(num, cnt)
-{
- return (num << cnt) | (num >>> (32 - cnt));
-}
+HDNode.HIGHEST_BIT = 0x80000000
+HDNode.LENGTH = 78
+HDNode.MASTER_SECRET = Buffer.from('Bitcoin seed', 'utf8')
-module.exports = function md5(buf) {
- return helpers.hash(buf, core_md5, 16);
-};
-},{"./helpers":33}],35:[function(require,module,exports){
-arguments[4][12][0].apply(exports,arguments)
-},{"dup":12}],36:[function(require,module,exports){
-(function (Buffer){
-/*
-CryptoJS v3.1.2
-code.google.com/p/crypto-js
-(c) 2009-2013 by Jeff Mott. All rights reserved.
-code.google.com/p/crypto-js/wiki/License
-*/
-/** @preserve
-(c) 2012 by Cédric Mesnil. All rights reserved.
+HDNode.fromSeedBuffer = function (seed, network) {
+ typeforce(types.tuple(types.Buffer, types.maybe(types.Network)), arguments)
-Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+ if (seed.length < 16) throw new TypeError('Seed should be at least 128 bits')
+ if (seed.length > 64) throw new TypeError('Seed should be at most 512 bits')
- - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+ var I = createHmac('sha512', HDNode.MASTER_SECRET).update(seed).digest()
+ var IL = I.slice(0, 32)
+ var IR = I.slice(32)
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+ // In case IL is 0 or >= n, the master key is invalid
+ // This is handled by the ECPair constructor
+ var pIL = BigInteger.fromBuffer(IL)
+ var keyPair = new ECPair(pIL, null, {
+ network: network
+ })
-// constants table
-var zl = [
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
- 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
- 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
- 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
-]
+ return new HDNode(keyPair, IR)
+}
-var zr = [
- 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
- 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
- 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
- 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
- 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
-]
+HDNode.fromSeedHex = function (hex, network) {
+ return HDNode.fromSeedBuffer(Buffer.from(hex, 'hex'), network)
+}
+
+HDNode.fromBase58 = function (string, networks) {
+ var buffer = base58check.decode(string)
+ if (buffer.length !== 78) throw new Error('Invalid buffer length')
-var sl = [
- 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
- 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
- 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
- 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
- 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
-]
+ // 4 bytes: version bytes
+ var version = buffer.readUInt32BE(0)
+ var network
-var sr = [
- 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
- 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
- 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
- 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
- 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
-]
+ // list of networks?
+ if (Array.isArray(networks)) {
+ network = networks.filter(function (x) {
+ return version === x.bip32.private ||
+ version === x.bip32.public
+ }).pop()
-var hl = [0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E]
-var hr = [0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000]
+ if (!network) throw new Error('Unknown network version')
-function bytesToWords (bytes) {
- var words = []
- for (var i = 0, b = 0; i < bytes.length; i++, b += 8) {
- words[b >>> 5] |= bytes[i] << (24 - b % 32)
+ // otherwise, assume a network object (or default to bitcoin)
+ } else {
+ network = networks || NETWORKS.bitcoin
}
- return words
-}
-function wordsToBytes (words) {
- var bytes = []
- for (var b = 0; b < words.length * 32; b += 8) {
- bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF)
- }
- return bytes
-}
+ if (version !== network.bip32.private &&
+ version !== network.bip32.public) throw new Error('Invalid network version')
-function processBlock (H, M, offset) {
- // swap endian
- for (var i = 0; i < 16; i++) {
- var offset_i = offset + i
- var M_offset_i = M[offset_i]
+ // 1 byte: depth: 0x00 for master nodes, 0x01 for level-1 descendants, ...
+ var depth = buffer[4]
- // Swap
- M[offset_i] = (
- (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) |
- (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00)
- )
+ // 4 bytes: the fingerprint of the parent's key (0x00000000 if master key)
+ var parentFingerprint = buffer.readUInt32BE(5)
+ if (depth === 0) {
+ if (parentFingerprint !== 0x00000000) throw new Error('Invalid parent fingerprint')
}
- // Working variables
- var al, bl, cl, dl, el
- var ar, br, cr, dr, er
+ // 4 bytes: child number. This is the number i in xi = xpar/i, with xi the key being serialized.
+ // This is encoded in MSB order. (0x00000000 if master key)
+ var index = buffer.readUInt32BE(9)
+ if (depth === 0 && index !== 0) throw new Error('Invalid index')
- ar = al = H[0]
- br = bl = H[1]
- cr = cl = H[2]
- dr = dl = H[3]
- er = el = H[4]
+ // 32 bytes: the chain code
+ var chainCode = buffer.slice(13, 45)
+ var keyPair
- // computation
- var t
- for (i = 0; i < 80; i += 1) {
- t = (al + M[offset + zl[i]]) | 0
- if (i < 16) {
- t += f1(bl, cl, dl) + hl[0]
- } else if (i < 32) {
- t += f2(bl, cl, dl) + hl[1]
- } else if (i < 48) {
- t += f3(bl, cl, dl) + hl[2]
- } else if (i < 64) {
- t += f4(bl, cl, dl) + hl[3]
- } else {// if (i<80) {
- t += f5(bl, cl, dl) + hl[4]
- }
- t = t | 0
- t = rotl(t, sl[i])
- t = (t + el) | 0
- al = el
- el = dl
- dl = rotl(cl, 10)
- cl = bl
- bl = t
+ // 33 bytes: private key data (0x00 + k)
+ if (version === network.bip32.private) {
+ if (buffer.readUInt8(45) !== 0x00) throw new Error('Invalid private key')
- t = (ar + M[offset + zr[i]]) | 0
- if (i < 16) {
- t += f5(br, cr, dr) + hr[0]
- } else if (i < 32) {
- t += f4(br, cr, dr) + hr[1]
- } else if (i < 48) {
- t += f3(br, cr, dr) + hr[2]
- } else if (i < 64) {
- t += f2(br, cr, dr) + hr[3]
- } else {// if (i<80) {
- t += f1(br, cr, dr) + hr[4]
- }
+ var d = BigInteger.fromBuffer(buffer.slice(46, 78))
+ keyPair = new ECPair(d, null, { network: network })
- t = t | 0
- t = rotl(t, sr[i])
- t = (t + er) | 0
- ar = er
- er = dr
- dr = rotl(cr, 10)
- cr = br
- br = t
+ // 33 bytes: public key data (0x02 + X or 0x03 + X)
+ } else {
+ var Q = ecurve.Point.decodeFrom(curve, buffer.slice(45, 78))
+ // Q.compressed is assumed, if somehow this assumption is broken, `new HDNode` will throw
+
+ // Verify that the X coordinate in the public point corresponds to a point on the curve.
+ // If not, the extended public key is invalid.
+ curve.validate(Q)
+
+ keyPair = new ECPair(null, Q, { network: network })
}
- // intermediate hash value
- t = (H[1] + cl + dr) | 0
- H[1] = (H[2] + dl + er) | 0
- H[2] = (H[3] + el + ar) | 0
- H[3] = (H[4] + al + br) | 0
- H[4] = (H[0] + bl + cr) | 0
- H[0] = t
+ var hd = new HDNode(keyPair, chainCode)
+ hd.depth = depth
+ hd.index = index
+ hd.parentFingerprint = parentFingerprint
+
+ return hd
}
-function f1 (x, y, z) {
- return ((x) ^ (y) ^ (z))
+HDNode.prototype.getAddress = function () {
+ return this.keyPair.getAddress()
}
-function f2 (x, y, z) {
- return (((x) & (y)) | ((~x) & (z)))
+HDNode.prototype.getIdentifier = function () {
+ return bcrypto.hash160(this.keyPair.getPublicKeyBuffer())
}
-function f3 (x, y, z) {
- return (((x) | (~(y))) ^ (z))
+HDNode.prototype.getFingerprint = function () {
+ return this.getIdentifier().slice(0, 4)
}
-function f4 (x, y, z) {
- return (((x) & (z)) | ((y) & (~(z))))
+HDNode.prototype.getNetwork = function () {
+ return this.keyPair.getNetwork()
}
-function f5 (x, y, z) {
- return ((x) ^ ((y) | (~(z))))
+HDNode.prototype.getPublicKeyBuffer = function () {
+ return this.keyPair.getPublicKeyBuffer()
}
-function rotl (x, n) {
- return (x << n) | (x >>> (32 - n))
+HDNode.prototype.neutered = function () {
+ var neuteredKeyPair = new ECPair(null, this.keyPair.Q, {
+ network: this.keyPair.network
+ })
+
+ var neutered = new HDNode(neuteredKeyPair, this.chainCode)
+ neutered.depth = this.depth
+ neutered.index = this.index
+ neutered.parentFingerprint = this.parentFingerprint
+
+ return neutered
}
-function ripemd160 (message) {
- var H = [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0]
+HDNode.prototype.sign = function (hash) {
+ return this.keyPair.sign(hash)
+}
- if (typeof message === 'string') {
- message = new Buffer(message, 'utf8')
- }
+HDNode.prototype.verify = function (hash, signature) {
+ return this.keyPair.verify(hash, signature)
+}
- var m = bytesToWords(message)
+HDNode.prototype.toBase58 = function (__isPrivate) {
+ if (__isPrivate !== undefined) throw new TypeError('Unsupported argument in 2.0.0')
- var nBitsLeft = message.length * 8
- var nBitsTotal = message.length * 8
+ // Version
+ var network = this.keyPair.network
+ var version = (!this.isNeutered()) ? network.bip32.private : network.bip32.public
+ var buffer = Buffer.allocUnsafe(78)
- // Add padding
- m[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32)
- m[(((nBitsLeft + 64) >>> 9) << 4) + 14] = (
- (((nBitsTotal << 8) | (nBitsTotal >>> 24)) & 0x00ff00ff) |
- (((nBitsTotal << 24) | (nBitsTotal >>> 8)) & 0xff00ff00)
- )
+ // 4 bytes: version bytes
+ buffer.writeUInt32BE(version, 0)
- for (var i = 0; i < m.length; i += 16) {
- processBlock(H, m, i)
- }
+ // 1 byte: depth: 0x00 for master nodes, 0x01 for level-1 descendants, ....
+ buffer.writeUInt8(this.depth, 4)
- // swap endian
- for (i = 0; i < 5; i++) {
- // shortcut
- var H_i = H[i]
+ // 4 bytes: the fingerprint of the parent's key (0x00000000 if master key)
+ buffer.writeUInt32BE(this.parentFingerprint, 5)
- // Swap
- H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) |
- (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00)
+ // 4 bytes: child number. This is the number i in xi = xpar/i, with xi the key being serialized.
+ // This is encoded in big endian. (0x00000000 if master key)
+ buffer.writeUInt32BE(this.index, 9)
+
+ // 32 bytes: the chain code
+ this.chainCode.copy(buffer, 13)
+
+ // 33 bytes: the public key or private key data
+ if (!this.isNeutered()) {
+ // 0x00 + k for private keys
+ buffer.writeUInt8(0, 45)
+ this.keyPair.d.toBuffer(32).copy(buffer, 46)
+
+ // 33 bytes: the public key
+ } else {
+ // X9.62 encoding for public keys
+ this.keyPair.getPublicKeyBuffer().copy(buffer, 45)
}
- var digestbytes = wordsToBytes(H)
- return new Buffer(digestbytes)
+ return base58check.encode(buffer)
}
-module.exports = ripemd160
+// https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#child-key-derivation-ckd-functions
+HDNode.prototype.derive = function (index) {
+ typeforce(types.UInt32, index)
-}).call(this,require("buffer").Buffer)
-},{"buffer":7}],37:[function(require,module,exports){
-(function (Buffer){
-// prototype class for hash functions
-function Hash (blockSize, finalSize) {
- this._block = new Buffer(blockSize)
- this._finalSize = finalSize
- this._blockSize = blockSize
- this._len = 0
- this._s = 0
-}
+ var isHardened = index >= HDNode.HIGHEST_BIT
+ var data = Buffer.allocUnsafe(37)
-Hash.prototype.update = function (data, enc) {
- if (typeof data === 'string') {
- enc = enc || 'utf8'
- data = new Buffer(data, enc)
- }
+ // Hardened child
+ if (isHardened) {
+ if (this.isNeutered()) throw new TypeError('Could not derive hardened child key')
- var l = this._len += data.length
- var s = this._s || 0
- var f = 0
- var buffer = this._block
+ // data = 0x00 || ser256(kpar) || ser32(index)
+ data[0] = 0x00
+ this.keyPair.d.toBuffer(32).copy(data, 1)
+ data.writeUInt32BE(index, 33)
- while (s < l) {
- var t = Math.min(data.length, f + this._blockSize - (s % this._blockSize))
- var ch = (t - f)
+ // Normal child
+ } else {
+ // data = serP(point(kpar)) || ser32(index)
+ // = serP(Kpar) || ser32(index)
+ this.keyPair.getPublicKeyBuffer().copy(data, 0)
+ data.writeUInt32BE(index, 33)
+ }
- for (var i = 0; i < ch; i++) {
- buffer[(s % this._blockSize) + i] = data[i + f]
- }
+ var I = createHmac('sha512', this.chainCode).update(data).digest()
+ var IL = I.slice(0, 32)
+ var IR = I.slice(32)
- s += ch
- f += ch
+ var pIL = BigInteger.fromBuffer(IL)
- if ((s % this._blockSize) === 0) {
- this._update(buffer)
- }
+ // In case parse256(IL) >= n, proceed with the next value for i
+ if (pIL.compareTo(curve.n) >= 0) {
+ return this.derive(index + 1)
}
- this._s = s
- return this
-}
+ // Private parent key -> private child key
+ var derivedKeyPair
+ if (!this.isNeutered()) {
+ // ki = parse256(IL) + kpar (mod n)
+ var ki = pIL.add(this.keyPair.d).mod(curve.n)
-Hash.prototype.digest = function (enc) {
- // Suppose the length of the message M, in bits, is l
- var l = this._len * 8
+ // In case ki == 0, proceed with the next value for i
+ if (ki.signum() === 0) {
+ return this.derive(index + 1)
+ }
- // Append the bit 1 to the end of the message
- this._block[this._len % this._blockSize] = 0x80
+ derivedKeyPair = new ECPair(ki, null, {
+ network: this.keyPair.network
+ })
- // and then k zero bits, where k is the smallest non-negative solution to the equation (l + 1 + k) === finalSize mod blockSize
- this._block.fill(0, this._len % this._blockSize + 1)
+ // Public parent key -> public child key
+ } else {
+ // Ki = point(parse256(IL)) + Kpar
+ // = G*IL + Kpar
+ var Ki = curve.G.multiply(pIL).add(this.keyPair.Q)
- if (l % (this._blockSize * 8) >= this._finalSize * 8) {
- this._update(this._block)
- this._block.fill(0)
+ // In case Ki is the point at infinity, proceed with the next value for i
+ if (curve.isInfinity(Ki)) {
+ return this.derive(index + 1)
+ }
+
+ derivedKeyPair = new ECPair(null, Ki, {
+ network: this.keyPair.network
+ })
}
- // to this append the block which is equal to the number l written in binary
- // TODO: handle case where l is > Math.pow(2, 29)
- this._block.writeInt32BE(l, this._blockSize - 4)
+ var hd = new HDNode(derivedKeyPair, IR)
+ hd.depth = this.depth + 1
+ hd.index = index
+ hd.parentFingerprint = this.getFingerprint().readUInt32BE(0)
- var hash = this._update(this._block) || this._hash()
+ return hd
+}
- return enc ? hash.toString(enc) : hash
+HDNode.prototype.deriveHardened = function (index) {
+ typeforce(types.UInt31, index)
+
+ // Only derives hardened private keys by default
+ return this.derive(index + HDNode.HIGHEST_BIT)
}
-Hash.prototype._update = function () {
- throw new Error('_update must be implemented by subclass')
+// Private === not neutered
+// Public === neutered
+HDNode.prototype.isNeutered = function () {
+ return !(this.keyPair.d)
}
-module.exports = Hash
+HDNode.prototype.derivePath = function (path) {
+ typeforce(types.BIP32Path, path)
-}).call(this,require("buffer").Buffer)
-},{"buffer":7}],38:[function(require,module,exports){
-var exports = module.exports = function SHA (algorithm) {
- algorithm = algorithm.toLowerCase()
+ var splitPath = path.split('/')
+ if (splitPath[0] === 'm') {
+ if (this.parentFingerprint) {
+ throw new Error('Not a master node')
+ }
- var Algorithm = exports[algorithm]
- if (!Algorithm) throw new Error(algorithm + ' is not supported (we accept pull requests)')
+ splitPath = splitPath.slice(1)
+ }
- return new Algorithm()
+ return splitPath.reduce(function (prevHd, indexStr) {
+ var index
+ if (indexStr.slice(-1) === "'") {
+ index = parseInt(indexStr.slice(0, -1), 10)
+ return prevHd.deriveHardened(index)
+ } else {
+ index = parseInt(indexStr, 10)
+ return prevHd.derive(index)
+ }
+ }, this)
}
-exports.sha = require('./sha')
-exports.sha1 = require('./sha1')
-exports.sha224 = require('./sha224')
-exports.sha256 = require('./sha256')
-exports.sha384 = require('./sha384')
-exports.sha512 = require('./sha512')
-
-},{"./sha":39,"./sha1":40,"./sha224":41,"./sha256":42,"./sha384":43,"./sha512":44}],39:[function(require,module,exports){
-(function (Buffer){
-/*
- * A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined
- * in FIPS PUB 180-1
- * This source code is derived from sha1.js of the same repository.
- * The difference between SHA-0 and SHA-1 is just a bitwise rotate left
- * operation was added.
- */
+module.exports = HDNode
-var inherits = require('inherits')
-var Hash = require('./hash')
+},{"./crypto":45,"./ecpair":47,"./networks":51,"./types":78,"bigi":37,"bs58check":80,"create-hmac":85,"ecurve":89,"safe-buffer":98,"typeforce":109}],50:[function(require,module,exports){
+module.exports = {
+ Block: require('./block'),
+ ECPair: require('./ecpair'),
+ ECSignature: require('./ecsignature'),
+ HDNode: require('./hdnode'),
+ Transaction: require('./transaction'),
+ TransactionBuilder: require('./transaction_builder'),
-var W = new Array(80)
+ address: require('./address'),
+ bufferutils: require('./bufferutils'), // TODO: remove in 4.0.0
+ crypto: require('./crypto'),
+ networks: require('./networks'),
+ opcodes: require('bitcoin-ops'),
+ script: require('./script')
+}
-function Sha () {
- this.init()
- this._w = W
+},{"./address":42,"./block":43,"./bufferutils":44,"./crypto":45,"./ecpair":47,"./ecsignature":48,"./hdnode":49,"./networks":51,"./script":52,"./transaction":76,"./transaction_builder":77,"bitcoin-ops":40}],51:[function(require,module,exports){
+// https://en.bitcoin.it/wiki/List_of_address_prefixes
+// Dogecoin BIP32 is a proposed standard: https://bitcointalk.org/index.php?topic=409731
- Hash.call(this, 64, 56)
+module.exports = {
+ bitcoin: {
+ messagePrefix: '\x18Bitcoin Signed Message:\n',
+ bip32: {
+ public: 0x0488b21e,
+ private: 0x0488ade4
+ },
+ pubKeyHash: 0x00,
+ scriptHash: 0x05,
+ wif: 0x80
+ },
+ testnet: {
+ messagePrefix: '\x18Bitcoin Signed Message:\n',
+ bip32: {
+ public: 0x043587cf,
+ private: 0x04358394
+ },
+ pubKeyHash: 0x6f,
+ scriptHash: 0xc4,
+ wif: 0xef
+ },
+ litecoin: {
+ messagePrefix: '\x19Litecoin Signed Message:\n',
+ bip32: {
+ public: 0x0488b21e,
+ private: 0x0488ade4,
+ },
+ pubKeyHash: 0x30,
+ scriptHash: 0x32,
+ wif: 0xb0
+ },
+ litecoinLtub: {
+ messagePrefix: '\x19Litecoin Signed Message:\n',
+ bip32: {
+ public: 0x019da462,
+ private: 0x019d9cfe
+ },
+ pubKeyHash: 0x30,
+ scriptHash: 0x32,
+ wif: 0xb0
+ }
}
-inherits(Sha, Hash)
+},{}],52:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var bip66 = require('bip66')
+var pushdata = require('pushdata-bitcoin')
+var typeforce = require('typeforce')
+var types = require('./types')
+var scriptNumber = require('./script_number')
-Sha.prototype.init = function () {
- this._a = 0x67452301 | 0
- this._b = 0xefcdab89 | 0
- this._c = 0x98badcfe | 0
- this._d = 0x10325476 | 0
- this._e = 0xc3d2e1f0 | 0
+var OPS = require('bitcoin-ops')
+var REVERSE_OPS = require('bitcoin-ops/map')
+var OP_INT_BASE = OPS.OP_RESERVED // OP_1 - 1
- return this
+function isOPInt (value) {
+ return types.Number(value) &&
+ ((value === OPS.OP_0) ||
+ (value >= OPS.OP_1 && value <= OPS.OP_16) ||
+ (value === OPS.OP_1NEGATE))
}
-/*
- * Bitwise rotate a 32-bit number to the left.
- */
-function rol (num, cnt) {
- return (num << cnt) | (num >>> (32 - cnt))
+function isPushOnlyChunk (value) {
+ return types.Buffer(value) || isOPInt(value)
}
-Sha.prototype._update = function (M) {
- var W = this._w
-
- var a = this._a
- var b = this._b
- var c = this._c
- var d = this._d
- var e = this._e
-
- var j = 0, k
+function isPushOnly (value) {
+ return types.Array(value) && value.every(isPushOnlyChunk)
+}
- /*
- * SHA-1 has a bitwise rotate left operation. But, SHA is not
- * function calcW() { return rol(W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16], 1) }
- */
- function calcW () { return W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16] }
- function loop (w, f) {
- W[j] = w
+function compile (chunks) {
+ // TODO: remove me
+ if (Buffer.isBuffer(chunks)) return chunks
- var t = rol(a, 5) + f + e + w + k
+ typeforce(types.Array, chunks)
- e = d
- d = c
- c = rol(b, 30)
- b = a
- a = t
- j++
- }
+ var bufferSize = chunks.reduce(function (accum, chunk) {
+ // data chunk
+ if (Buffer.isBuffer(chunk)) {
+ // adhere to BIP62.3, minimal push policy
+ if (chunk.length === 1 && (chunk[0] === 0x81 || (chunk[0] >= 1 && chunk[0] <= 16))) {
+ return accum + 1
+ }
- k = 1518500249
- while (j < 16) loop(M.readInt32BE(j * 4), (b & c) | ((~b) & d))
- while (j < 20) loop(calcW(), (b & c) | ((~b) & d))
- k = 1859775393
- while (j < 40) loop(calcW(), b ^ c ^ d)
- k = -1894007588
- while (j < 60) loop(calcW(), (b & c) | (b & d) | (c & d))
- k = -899497514
- while (j < 80) loop(calcW(), b ^ c ^ d)
+ return accum + pushdata.encodingLength(chunk.length) + chunk.length
+ }
- this._a = (a + this._a) | 0
- this._b = (b + this._b) | 0
- this._c = (c + this._c) | 0
- this._d = (d + this._d) | 0
- this._e = (e + this._e) | 0
-}
+ // opcode
+ return accum + 1
+ }, 0.0)
-Sha.prototype._hash = function () {
- var H = new Buffer(20)
+ var buffer = Buffer.allocUnsafe(bufferSize)
+ var offset = 0
- H.writeInt32BE(this._a | 0, 0)
- H.writeInt32BE(this._b | 0, 4)
- H.writeInt32BE(this._c | 0, 8)
- H.writeInt32BE(this._d | 0, 12)
- H.writeInt32BE(this._e | 0, 16)
+ chunks.forEach(function (chunk) {
+ // data chunk
+ if (Buffer.isBuffer(chunk)) {
+ // adhere to BIP62.3, minimal push policy
+ if (chunk.length === 1 && chunk[0] >= 1 && chunk[0] <= 16) {
+ var opcode = OP_INT_BASE + chunk[0]
+ buffer.writeUInt8(opcode, offset)
+ offset += 1
+ return
+ }
- return H
-}
+ if (chunk.length === 1 && chunk[0] === 0x81) {
+ buffer.writeUInt8(OPS.OP_1NEGATE, offset)
+ offset += 1
+ return
+ }
-module.exports = Sha
+ offset += pushdata.encode(buffer, chunk.length, offset)
+ chunk.copy(buffer, offset)
+ offset += chunk.length
-}).call(this,require("buffer").Buffer)
-},{"./hash":37,"buffer":7,"inherits":35}],40:[function(require,module,exports){
-(function (Buffer){
-/*
- * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
- * in FIPS PUB 180-1
- * Version 2.1a Copyright Paul Johnston 2000 - 2002.
- * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
- * Distributed under the BSD License
- * See http://pajhome.org.uk/crypt/md5 for details.
- */
+ // opcode
+ } else {
+ buffer.writeUInt8(chunk, offset)
+ offset += 1
+ }
+ })
-var inherits = require('inherits')
-var Hash = require('./hash')
+ if (offset !== buffer.length) throw new Error('Could not decode chunks')
+ return buffer
+}
-var W = new Array(80)
+function decompile (buffer) {
+ // TODO: remove me
+ if (types.Array(buffer)) return buffer
-function Sha1 () {
- this.init()
- this._w = W
+ typeforce(types.Buffer, buffer)
- Hash.call(this, 64, 56)
-}
+ var chunks = []
+ var i = 0
-inherits(Sha1, Hash)
+ while (i < buffer.length) {
+ var opcode = buffer[i]
-Sha1.prototype.init = function () {
- this._a = 0x67452301 | 0
- this._b = 0xefcdab89 | 0
- this._c = 0x98badcfe | 0
- this._d = 0x10325476 | 0
- this._e = 0xc3d2e1f0 | 0
+ // data chunk
+ if ((opcode > OPS.OP_0) && (opcode <= OPS.OP_PUSHDATA4)) {
+ var d = pushdata.decode(buffer, i)
- return this
-}
+ // did reading a pushDataInt fail? empty script
+ if (d === null) return []
+ i += d.size
-/*
- * Bitwise rotate a 32-bit number to the left.
- */
-function rol (num, cnt) {
- return (num << cnt) | (num >>> (32 - cnt))
-}
+ // attempt to read too much data? empty script
+ if (i + d.number > buffer.length) return []
-Sha1.prototype._update = function (M) {
- var W = this._w
+ var data = buffer.slice(i, i + d.number)
+ i += d.number
- var a = this._a
- var b = this._b
- var c = this._c
- var d = this._d
- var e = this._e
+ chunks.push(data)
- var j = 0, k
+ // opcode
+ } else {
+ chunks.push(opcode)
- function calcW () { return rol(W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16], 1) }
- function loop (w, f) {
- W[j] = w
+ i += 1
+ }
+ }
- var t = rol(a, 5) + f + e + w + k
+ return chunks
+}
- e = d
- d = c
- c = rol(b, 30)
- b = a
- a = t
- j++
+function toASM (chunks) {
+ if (Buffer.isBuffer(chunks)) {
+ chunks = decompile(chunks)
}
- k = 1518500249
- while (j < 16) loop(M.readInt32BE(j * 4), (b & c) | ((~b) & d))
- while (j < 20) loop(calcW(), (b & c) | ((~b) & d))
- k = 1859775393
- while (j < 40) loop(calcW(), b ^ c ^ d)
- k = -1894007588
- while (j < 60) loop(calcW(), (b & c) | (b & d) | (c & d))
- k = -899497514
- while (j < 80) loop(calcW(), b ^ c ^ d)
+ return chunks.map(function (chunk) {
+ // data?
+ if (Buffer.isBuffer(chunk)) return chunk.toString('hex')
- this._a = (a + this._a) | 0
- this._b = (b + this._b) | 0
- this._c = (c + this._c) | 0
- this._d = (d + this._d) | 0
- this._e = (e + this._e) | 0
+ // opcode!
+ return REVERSE_OPS[chunk]
+ }).join(' ')
}
-Sha1.prototype._hash = function () {
- var H = new Buffer(20)
+function fromASM (asm) {
+ typeforce(types.String, asm)
- H.writeInt32BE(this._a | 0, 0)
- H.writeInt32BE(this._b | 0, 4)
- H.writeInt32BE(this._c | 0, 8)
- H.writeInt32BE(this._d | 0, 12)
- H.writeInt32BE(this._e | 0, 16)
+ return compile(asm.split(' ').map(function (chunkStr) {
+ // opcode?
+ if (OPS[chunkStr] !== undefined) return OPS[chunkStr]
+ typeforce(types.Hex, chunkStr)
- return H
+ // data!
+ return Buffer.from(chunkStr, 'hex')
+ }))
}
-module.exports = Sha1
-
-}).call(this,require("buffer").Buffer)
-},{"./hash":37,"buffer":7,"inherits":35}],41:[function(require,module,exports){
-(function (Buffer){
-/**
- * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
- * in FIPS 180-2
- * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
- * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
- *
- */
+function toStack (chunks) {
+ chunks = decompile(chunks)
+ typeforce(isPushOnly, chunks)
-var inherits = require('inherits')
-var Sha256 = require('./sha256')
-var Hash = require('./hash')
+ return chunks.map(function (op) {
+ if (Buffer.isBuffer(op)) return op
+ if (op === OPS.OP_0) return Buffer.allocUnsafe(0)
-var W = new Array(64)
+ return scriptNumber.encode(op - OP_INT_BASE)
+ })
+}
-function Sha224 () {
- this.init()
+function isCanonicalPubKey (buffer) {
+ if (!Buffer.isBuffer(buffer)) return false
+ if (buffer.length < 33) return false
- this._w = W // new Array(64)
+ switch (buffer[0]) {
+ case 0x02:
+ case 0x03:
+ return buffer.length === 33
+ case 0x04:
+ return buffer.length === 65
+ }
- Hash.call(this, 64, 56)
+ return false
}
-inherits(Sha224, Sha256)
+function isDefinedHashType (hashType) {
+ var hashTypeMod = hashType & ~0x80
-Sha224.prototype.init = function () {
- this._a = 0xc1059ed8 | 0
- this._b = 0x367cd507 | 0
- this._c = 0x3070dd17 | 0
- this._d = 0xf70e5939 | 0
- this._e = 0xffc00b31 | 0
- this._f = 0x68581511 | 0
- this._g = 0x64f98fa7 | 0
- this._h = 0xbefa4fa4 | 0
+// return hashTypeMod > SIGHASH_ALL && hashTypeMod < SIGHASH_SINGLE
+ return hashTypeMod > 0x00 && hashTypeMod < 0x04
+}
- return this
+function isCanonicalSignature (buffer) {
+ if (!Buffer.isBuffer(buffer)) return false
+ if (!isDefinedHashType(buffer[buffer.length - 1])) return false
+
+ return bip66.check(buffer.slice(0, -1))
}
-Sha224.prototype._hash = function () {
- var H = new Buffer(28)
+module.exports = {
+ compile: compile,
+ decompile: decompile,
+ fromASM: fromASM,
+ toASM: toASM,
+ toStack: toStack,
- H.writeInt32BE(this._a, 0)
- H.writeInt32BE(this._b, 4)
- H.writeInt32BE(this._c, 8)
- H.writeInt32BE(this._d, 12)
- H.writeInt32BE(this._e, 16)
- H.writeInt32BE(this._f, 20)
- H.writeInt32BE(this._g, 24)
+ number: require('./script_number'),
- return H
+ isCanonicalPubKey: isCanonicalPubKey,
+ isCanonicalSignature: isCanonicalSignature,
+ isPushOnly: isPushOnly,
+ isDefinedHashType: isDefinedHashType
}
-module.exports = Sha224
+var templates = require('./templates')
+for (var key in templates) {
+ module.exports[key] = templates[key]
+}
-}).call(this,require("buffer").Buffer)
-},{"./hash":37,"./sha256":42,"buffer":7,"inherits":35}],42:[function(require,module,exports){
-(function (Buffer){
-/**
- * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
- * in FIPS 180-2
- * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
- * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
- *
- */
+},{"./script_number":53,"./templates":54,"./types":78,"bip66":39,"bitcoin-ops":40,"bitcoin-ops/map":41,"pushdata-bitcoin":95,"safe-buffer":98,"typeforce":109}],53:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
-var inherits = require('inherits')
-var Hash = require('./hash')
+function decode (buffer, maxLength, minimal) {
+ maxLength = maxLength || 4
+ minimal = minimal === undefined ? true : minimal
-var K = [
- 0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
- 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
- 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
- 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
- 0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
- 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
- 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
- 0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
- 0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
- 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
- 0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
- 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
- 0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
- 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
- 0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
- 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2
-]
+ var length = buffer.length
+ if (length === 0) return 0
+ if (length > maxLength) throw new TypeError('Script number overflow')
+ if (minimal) {
+ if ((buffer[length - 1] & 0x7f) === 0) {
+ if (length <= 1 || (buffer[length - 2] & 0x80) === 0) throw new Error('Non-minimally encoded script number')
+ }
+ }
-var W = new Array(64)
+ // 40-bit
+ if (length === 5) {
+ var a = buffer.readUInt32LE(0)
+ var b = buffer.readUInt8(4)
-function Sha256 () {
- this.init()
+ if (b & 0x80) return -(((b & ~0x80) * 0x100000000) + a)
+ return (b * 0x100000000) + a
+ }
- this._w = W // new Array(64)
+ var result = 0
- Hash.call(this, 64, 56)
+ // 32-bit / 24-bit / 16-bit / 8-bit
+ for (var i = 0; i < length; ++i) {
+ result |= buffer[i] << (8 * i)
+ }
+
+ if (buffer[length - 1] & 0x80) return -(result & ~(0x80 << (8 * (length - 1))))
+ return result
}
-inherits(Sha256, Hash)
+function scriptNumSize (i) {
+ return i > 0x7fffffff ? 5
+ : i > 0x7fffff ? 4
+ : i > 0x7fff ? 3
+ : i > 0x7f ? 2
+ : i > 0x00 ? 1
+ : 0
+}
-Sha256.prototype.init = function () {
- this._a = 0x6a09e667 | 0
- this._b = 0xbb67ae85 | 0
- this._c = 0x3c6ef372 | 0
- this._d = 0xa54ff53a | 0
- this._e = 0x510e527f | 0
- this._f = 0x9b05688c | 0
- this._g = 0x1f83d9ab | 0
- this._h = 0x5be0cd19 | 0
+function encode (number) {
+ var value = Math.abs(number)
+ var size = scriptNumSize(value)
+ var buffer = Buffer.allocUnsafe(size)
+ var negative = number < 0
- return this
-}
+ for (var i = 0; i < size; ++i) {
+ buffer.writeUInt8(value & 0xff, i)
+ value >>= 8
+ }
+
+ if (buffer[size - 1] & 0x80) {
+ buffer.writeUInt8(negative ? 0x80 : 0x00, size - 1)
+ } else if (negative) {
+ buffer[size - 1] |= 0x80
+ }
-function S (X, n) {
- return (X >>> n) | (X << (32 - n))
+ return buffer
}
-function R (X, n) {
- return (X >>> n)
+module.exports = {
+ decode: decode,
+ encode: encode
}
-function Ch (x, y, z) {
- return ((x & y) ^ ((~x) & z))
+},{"safe-buffer":98}],54:[function(require,module,exports){
+var decompile = require('../script').decompile
+var multisig = require('./multisig')
+var nullData = require('./nulldata')
+var pubKey = require('./pubkey')
+var pubKeyHash = require('./pubkeyhash')
+var scriptHash = require('./scripthash')
+var witnessPubKeyHash = require('./witnesspubkeyhash')
+var witnessScriptHash = require('./witnessscripthash')
+var witnessCommitment = require('./witnesscommitment')
+
+var types = {
+ MULTISIG: 'multisig',
+ NONSTANDARD: 'nonstandard',
+ NULLDATA: 'nulldata',
+ P2PK: 'pubkey',
+ P2PKH: 'pubkeyhash',
+ P2SH: 'scripthash',
+ P2WPKH: 'witnesspubkeyhash',
+ P2WSH: 'witnessscripthash',
+ WITNESS_COMMITMENT: 'witnesscommitment'
}
-function Maj (x, y, z) {
- return ((x & y) ^ (x & z) ^ (y & z))
+function classifyOutput (script) {
+ if (witnessPubKeyHash.output.check(script)) return types.P2WPKH
+ if (witnessScriptHash.output.check(script)) return types.P2WSH
+ if (pubKeyHash.output.check(script)) return types.P2PKH
+ if (scriptHash.output.check(script)) return types.P2SH
+
+ // XXX: optimization, below functions .decompile before use
+ var chunks = decompile(script)
+ if (multisig.output.check(chunks)) return types.MULTISIG
+ if (pubKey.output.check(chunks)) return types.P2PK
+ if (witnessCommitment.output.check(chunks)) return types.WITNESS_COMMITMENT
+ if (nullData.output.check(chunks)) return types.NULLDATA
+
+ return types.NONSTANDARD
}
-function Sigma0256 (x) {
- return (S(x, 2) ^ S(x, 13) ^ S(x, 22))
+function classifyInput (script, allowIncomplete) {
+ // XXX: optimization, below functions .decompile before use
+ var chunks = decompile(script)
+
+ if (pubKeyHash.input.check(chunks)) return types.P2PKH
+ if (scriptHash.input.check(chunks, allowIncomplete)) return types.P2SH
+ if (multisig.input.check(chunks, allowIncomplete)) return types.MULTISIG
+ if (pubKey.input.check(chunks)) return types.P2PK
+
+ return types.NONSTANDARD
}
-function Sigma1256 (x) {
- return (S(x, 6) ^ S(x, 11) ^ S(x, 25))
+function classifyWitness (script, allowIncomplete) {
+ // XXX: optimization, below functions .decompile before use
+ var chunks = decompile(script)
+
+ if (witnessPubKeyHash.input.check(chunks)) return types.P2WPKH
+ if (witnessScriptHash.input.check(chunks, allowIncomplete)) return types.P2WSH
+
+ return types.NONSTANDARD
}
-function Gamma0256 (x) {
- return (S(x, 7) ^ S(x, 18) ^ R(x, 3))
+module.exports = {
+ classifyInput: classifyInput,
+ classifyOutput: classifyOutput,
+ classifyWitness: classifyWitness,
+ multisig: multisig,
+ nullData: nullData,
+ pubKey: pubKey,
+ pubKeyHash: pubKeyHash,
+ scriptHash: scriptHash,
+ witnessPubKeyHash: witnessPubKeyHash,
+ witnessScriptHash: witnessScriptHash,
+ witnessCommitment: witnessCommitment,
+ types: types
+}
+
+},{"../script":52,"./multisig":55,"./nulldata":58,"./pubkey":59,"./pubkeyhash":62,"./scripthash":65,"./witnesscommitment":68,"./witnesspubkeyhash":70,"./witnessscripthash":73}],55:[function(require,module,exports){
+module.exports = {
+ input: require('./input'),
+ output: require('./output')
}
-function Gamma1256 (x) {
- return (S(x, 17) ^ S(x, 19) ^ R(x, 10))
+},{"./input":56,"./output":57}],56:[function(require,module,exports){
+// OP_0 [signatures ...]
+
+var Buffer = require('safe-buffer').Buffer
+var bscript = require('../../script')
+var typeforce = require('typeforce')
+var OPS = require('bitcoin-ops')
+
+function partialSignature (value) {
+ return value === OPS.OP_0 || bscript.isCanonicalSignature(value)
}
-Sha256.prototype._update = function (M) {
- var W = this._w
+function check (script, allowIncomplete) {
+ var chunks = bscript.decompile(script)
+ if (chunks.length < 2) return false
+ if (chunks[0] !== OPS.OP_0) return false
- var a = this._a | 0
- var b = this._b | 0
- var c = this._c | 0
- var d = this._d | 0
- var e = this._e | 0
- var f = this._f | 0
- var g = this._g | 0
- var h = this._h | 0
+ if (allowIncomplete) {
+ return chunks.slice(1).every(partialSignature)
+ }
- var j = 0
+ return chunks.slice(1).every(bscript.isCanonicalSignature)
+}
+check.toJSON = function () { return 'multisig input' }
- function calcW () { return Gamma1256(W[j - 2]) + W[j - 7] + Gamma0256(W[j - 15]) + W[j - 16] }
- function loop (w) {
- W[j] = w
+var EMPTY_BUFFER = Buffer.allocUnsafe(0)
- var T1 = h + Sigma1256(e) + Ch(e, f, g) + K[j] + w
- var T2 = Sigma0256(a) + Maj(a, b, c)
+function encodeStack (signatures, scriptPubKey) {
+ typeforce([partialSignature], signatures)
- h = g
- g = f
- f = e
- e = d + T1
- d = c
- c = b
- b = a
- a = T1 + T2
+ if (scriptPubKey) {
+ var scriptData = bscript.multisig.output.decode(scriptPubKey)
- j++
- }
+ if (signatures.length < scriptData.m) {
+ throw new TypeError('Not enough signatures provided')
+ }
- while (j < 16) loop(M.readInt32BE(j * 4))
- while (j < 64) loop(calcW())
+ if (signatures.length > scriptData.pubKeys.length) {
+ throw new TypeError('Too many signatures provided')
+ }
+ }
- this._a = (a + this._a) | 0
- this._b = (b + this._b) | 0
- this._c = (c + this._c) | 0
- this._d = (d + this._d) | 0
- this._e = (e + this._e) | 0
- this._f = (f + this._f) | 0
- this._g = (g + this._g) | 0
- this._h = (h + this._h) | 0
+ return [].concat(EMPTY_BUFFER, signatures)
}
-Sha256.prototype._hash = function () {
- var H = new Buffer(32)
+function encode (signatures, scriptPubKey) {
+ return bscript.compile(encodeStack(signatures, scriptPubKey))
+}
- H.writeInt32BE(this._a, 0)
- H.writeInt32BE(this._b, 4)
- H.writeInt32BE(this._c, 8)
- H.writeInt32BE(this._d, 12)
- H.writeInt32BE(this._e, 16)
- H.writeInt32BE(this._f, 20)
- H.writeInt32BE(this._g, 24)
- H.writeInt32BE(this._h, 28)
+function decodeStack (stack, allowIncomplete) {
+ typeforce(check, stack, allowIncomplete)
+ return stack.slice(1)
+}
- return H
+function decode (buffer, allowIncomplete) {
+ var stack = bscript.decompile(buffer)
+ return decodeStack(stack, allowIncomplete)
}
-module.exports = Sha256
+module.exports = {
+ check: check,
+ decode: decode,
+ decodeStack: decodeStack,
+ encode: encode,
+ encodeStack: encodeStack
+}
-}).call(this,require("buffer").Buffer)
-},{"./hash":37,"buffer":7,"inherits":35}],43:[function(require,module,exports){
-(function (Buffer){
-var inherits = require('inherits')
-var SHA512 = require('./sha512')
-var Hash = require('./hash')
+},{"../../script":52,"bitcoin-ops":40,"safe-buffer":98,"typeforce":109}],57:[function(require,module,exports){
+// m [pubKeys ...] n OP_CHECKMULTISIG
-var W = new Array(160)
+var bscript = require('../../script')
+var types = require('../../types')
+var typeforce = require('typeforce')
+var OPS = require('bitcoin-ops')
+var OP_INT_BASE = OPS.OP_RESERVED // OP_1 - 1
+
+function check (script, allowIncomplete) {
+ var chunks = bscript.decompile(script)
+
+ if (chunks.length < 4) return false
+ if (chunks[chunks.length - 1] !== OPS.OP_CHECKMULTISIG) return false
+ if (!types.Number(chunks[0])) return false
+ if (!types.Number(chunks[chunks.length - 2])) return false
+ var m = chunks[0] - OP_INT_BASE
+ var n = chunks[chunks.length - 2] - OP_INT_BASE
+
+ if (m <= 0) return false
+ if (n > 16) return false
+ if (m > n) return false
+ if (n !== chunks.length - 3) return false
+ if (allowIncomplete) return true
+
+ var keys = chunks.slice(1, -2)
+ return keys.every(bscript.isCanonicalPubKey)
+}
+check.toJSON = function () { return 'multi-sig output' }
+
+function encode (m, pubKeys) {
+ typeforce({
+ m: types.Number,
+ pubKeys: [bscript.isCanonicalPubKey]
+ }, {
+ m: m,
+ pubKeys: pubKeys
+ })
-function Sha384 () {
- this.init()
- this._w = W
+ var n = pubKeys.length
+ if (n < m) throw new TypeError('Not enough pubKeys provided')
- Hash.call(this, 128, 112)
+ return bscript.compile([].concat(
+ OP_INT_BASE + m,
+ pubKeys,
+ OP_INT_BASE + n,
+ OPS.OP_CHECKMULTISIG
+ ))
}
-inherits(Sha384, SHA512)
+function decode (buffer, allowIncomplete) {
+ var chunks = bscript.decompile(buffer)
+ typeforce(check, chunks, allowIncomplete)
-Sha384.prototype.init = function () {
- this._a = 0xcbbb9d5d | 0
- this._b = 0x629a292a | 0
- this._c = 0x9159015a | 0
- this._d = 0x152fecd8 | 0
- this._e = 0x67332667 | 0
- this._f = 0x8eb44a87 | 0
- this._g = 0xdb0c2e0d | 0
- this._h = 0x47b5481d | 0
-
- this._al = 0xc1059ed8 | 0
- this._bl = 0x367cd507 | 0
- this._cl = 0x3070dd17 | 0
- this._dl = 0xf70e5939 | 0
- this._el = 0xffc00b31 | 0
- this._fl = 0x68581511 | 0
- this._gl = 0x64f98fa7 | 0
- this._hl = 0xbefa4fa4 | 0
+ return {
+ m: chunks[0] - OP_INT_BASE,
+ pubKeys: chunks.slice(1, -2)
+ }
+}
- return this
+module.exports = {
+ check: check,
+ decode: decode,
+ encode: encode
}
-Sha384.prototype._hash = function () {
- var H = new Buffer(48)
+},{"../../script":52,"../../types":78,"bitcoin-ops":40,"typeforce":109}],58:[function(require,module,exports){
+// OP_RETURN {data}
- function writeInt64BE (h, l, offset) {
- H.writeInt32BE(h, offset)
- H.writeInt32BE(l, offset + 4)
- }
+var bscript = require('../script')
+var types = require('../types')
+var typeforce = require('typeforce')
+var OPS = require('bitcoin-ops')
- writeInt64BE(this._a, this._al, 0)
- writeInt64BE(this._b, this._bl, 8)
- writeInt64BE(this._c, this._cl, 16)
- writeInt64BE(this._d, this._dl, 24)
- writeInt64BE(this._e, this._el, 32)
- writeInt64BE(this._f, this._fl, 40)
+function check (script) {
+ var buffer = bscript.compile(script)
- return H
+ return buffer.length > 1 &&
+ buffer[0] === OPS.OP_RETURN
}
+check.toJSON = function () { return 'null data output' }
-module.exports = Sha384
-
-}).call(this,require("buffer").Buffer)
-},{"./hash":37,"./sha512":44,"buffer":7,"inherits":35}],44:[function(require,module,exports){
-(function (Buffer){
-var inherits = require('inherits')
-var Hash = require('./hash')
+function encode (data) {
+ typeforce(types.Buffer, data)
-var K = [
- 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
- 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
- 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
- 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
- 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
- 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
- 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
- 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
- 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
- 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
- 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
- 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
- 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
- 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
- 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
- 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
- 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
- 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
- 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
- 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
- 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
- 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
- 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
- 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
- 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
- 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
- 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
- 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
- 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
- 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
- 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
- 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
- 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
- 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
- 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
- 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
- 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
- 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
- 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
- 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
-]
+ return bscript.compile([OPS.OP_RETURN, data])
+}
-var W = new Array(160)
+function decode (buffer) {
+ typeforce(check, buffer)
-function Sha512 () {
- this.init()
- this._w = W
+ return buffer.slice(2)
+}
- Hash.call(this, 128, 112)
+module.exports = {
+ output: {
+ check: check,
+ decode: decode,
+ encode: encode
+ }
}
-inherits(Sha512, Hash)
+},{"../script":52,"../types":78,"bitcoin-ops":40,"typeforce":109}],59:[function(require,module,exports){
+arguments[4][55][0].apply(exports,arguments)
+},{"./input":60,"./output":61,"dup":55}],60:[function(require,module,exports){
+// {signature}
-Sha512.prototype.init = function () {
- this._a = 0x6a09e667 | 0
- this._b = 0xbb67ae85 | 0
- this._c = 0x3c6ef372 | 0
- this._d = 0xa54ff53a | 0
- this._e = 0x510e527f | 0
- this._f = 0x9b05688c | 0
- this._g = 0x1f83d9ab | 0
- this._h = 0x5be0cd19 | 0
-
- this._al = 0xf3bcc908 | 0
- this._bl = 0x84caa73b | 0
- this._cl = 0xfe94f82b | 0
- this._dl = 0x5f1d36f1 | 0
- this._el = 0xade682d1 | 0
- this._fl = 0x2b3e6c1f | 0
- this._gl = 0xfb41bd6b | 0
- this._hl = 0x137e2179 | 0
+var bscript = require('../../script')
+var types = require('../../types')
+var typeforce = require('typeforce')
- return this
+function check (script) {
+ var chunks = bscript.decompile(script)
+
+ return chunks.length === 1 &&
+ bscript.isCanonicalSignature(chunks[0])
}
+check.toJSON = function () { return 'pubKey input' }
-function S (X, Xl, n) {
- return (X >>> n) | (Xl << (32 - n))
+function encodeStack (signature) {
+ typeforce(types.Buffer, signature)
+ return [signature]
}
-function Ch (x, y, z) {
- return ((x & y) ^ ((~x) & z))
+function encode (signature) {
+ return bscript.compile(encodeStack(signature))
}
-function Maj (x, y, z) {
- return ((x & y) ^ (x & z) ^ (y & z))
+function decodeStack (stack) {
+ typeforce(check, stack)
+ return stack[0]
}
-Sha512.prototype._update = function (M) {
- var W = this._w
+function decode (buffer) {
+ var stack = bscript.decompile(buffer)
+ return decodeStack(stack)
+}
- var a = this._a | 0
- var b = this._b | 0
- var c = this._c | 0
- var d = this._d | 0
- var e = this._e | 0
- var f = this._f | 0
- var g = this._g | 0
- var h = this._h | 0
+module.exports = {
+ check: check,
+ decode: decode,
+ decodeStack: decodeStack,
+ encode: encode,
+ encodeStack: encodeStack
+}
- var al = this._al | 0
- var bl = this._bl | 0
- var cl = this._cl | 0
- var dl = this._dl | 0
- var el = this._el | 0
- var fl = this._fl | 0
- var gl = this._gl | 0
- var hl = this._hl | 0
+},{"../../script":52,"../../types":78,"typeforce":109}],61:[function(require,module,exports){
+// {pubKey} OP_CHECKSIG
- var i = 0, j = 0
- var Wi, Wil
- function calcW () {
- var x = W[j - 15 * 2]
- var xl = W[j - 15 * 2 + 1]
- var gamma0 = S(x, xl, 1) ^ S(x, xl, 8) ^ (x >>> 7)
- var gamma0l = S(xl, x, 1) ^ S(xl, x, 8) ^ S(xl, x, 7)
+var bscript = require('../../script')
+var typeforce = require('typeforce')
+var OPS = require('bitcoin-ops')
- x = W[j - 2 * 2]
- xl = W[j - 2 * 2 + 1]
- var gamma1 = S(x, xl, 19) ^ S(xl, x, 29) ^ (x >>> 6)
- var gamma1l = S(xl, x, 19) ^ S(x, xl, 29) ^ S(xl, x, 6)
+function check (script) {
+ var chunks = bscript.decompile(script)
- // W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16]
- var Wi7 = W[j - 7 * 2]
- var Wi7l = W[j - 7 * 2 + 1]
+ return chunks.length === 2 &&
+ bscript.isCanonicalPubKey(chunks[0]) &&
+ chunks[1] === OPS.OP_CHECKSIG
+}
+check.toJSON = function () { return 'pubKey output' }
- var Wi16 = W[j - 16 * 2]
- var Wi16l = W[j - 16 * 2 + 1]
+function encode (pubKey) {
+ typeforce(bscript.isCanonicalPubKey, pubKey)
- Wil = gamma0l + Wi7l
- Wi = gamma0 + Wi7 + ((Wil >>> 0) < (gamma0l >>> 0) ? 1 : 0)
- Wil = Wil + gamma1l
- Wi = Wi + gamma1 + ((Wil >>> 0) < (gamma1l >>> 0) ? 1 : 0)
- Wil = Wil + Wi16l
- Wi = Wi + Wi16 + ((Wil >>> 0) < (Wi16l >>> 0) ? 1 : 0)
- }
+ return bscript.compile([pubKey, OPS.OP_CHECKSIG])
+}
- function loop () {
- W[j] = Wi
- W[j + 1] = Wil
+function decode (buffer) {
+ var chunks = bscript.decompile(buffer)
+ typeforce(check, chunks)
- var maj = Maj(a, b, c)
- var majl = Maj(al, bl, cl)
+ return chunks[0]
+}
- var sigma0h = S(a, al, 28) ^ S(al, a, 2) ^ S(al, a, 7)
- var sigma0l = S(al, a, 28) ^ S(a, al, 2) ^ S(a, al, 7)
- var sigma1h = S(e, el, 14) ^ S(e, el, 18) ^ S(el, e, 9)
- var sigma1l = S(el, e, 14) ^ S(el, e, 18) ^ S(e, el, 9)
+module.exports = {
+ check: check,
+ decode: decode,
+ encode: encode
+}
- // t1 = h + sigma1 + ch + K[i] + W[i]
- var Ki = K[j]
- var Kil = K[j + 1]
+},{"../../script":52,"bitcoin-ops":40,"typeforce":109}],62:[function(require,module,exports){
+arguments[4][55][0].apply(exports,arguments)
+},{"./input":63,"./output":64,"dup":55}],63:[function(require,module,exports){
+// {signature} {pubKey}
- var ch = Ch(e, f, g)
- var chl = Ch(el, fl, gl)
+var bscript = require('../../script')
+var types = require('../../types')
+var typeforce = require('typeforce')
- var t1l = hl + sigma1l
- var t1 = h + sigma1h + ((t1l >>> 0) < (hl >>> 0) ? 1 : 0)
- t1l = t1l + chl
- t1 = t1 + ch + ((t1l >>> 0) < (chl >>> 0) ? 1 : 0)
- t1l = t1l + Kil
- t1 = t1 + Ki + ((t1l >>> 0) < (Kil >>> 0) ? 1 : 0)
- t1l = t1l + Wil
- t1 = t1 + Wi + ((t1l >>> 0) < (Wil >>> 0) ? 1 : 0)
+function check (script) {
+ var chunks = bscript.decompile(script)
- // t2 = sigma0 + maj
- var t2l = sigma0l + majl
- var t2 = sigma0h + maj + ((t2l >>> 0) < (sigma0l >>> 0) ? 1 : 0)
+ return chunks.length === 2 &&
+ bscript.isCanonicalSignature(chunks[0]) &&
+ bscript.isCanonicalPubKey(chunks[1])
+}
+check.toJSON = function () { return 'pubKeyHash input' }
- h = g
- hl = gl
- g = f
- gl = fl
- f = e
- fl = el
- el = (dl + t1l) | 0
- e = (d + t1 + ((el >>> 0) < (dl >>> 0) ? 1 : 0)) | 0
- d = c
- dl = cl
- c = b
- cl = bl
- b = a
- bl = al
- al = (t1l + t2l) | 0
- a = (t1 + t2 + ((al >>> 0) < (t1l >>> 0) ? 1 : 0)) | 0
+function encodeStack (signature, pubKey) {
+ typeforce({
+ signature: types.Buffer, pubKey: types.Buffer
+ }, {
+ signature: signature, pubKey: pubKey
+ })
- i++
- j += 2
- }
+ return [signature, pubKey]
+}
- while (i < 16) {
- Wi = M.readInt32BE(j * 4)
- Wil = M.readInt32BE(j * 4 + 4)
+function encode (signature, pubKey) {
+ return bscript.compile(encodeStack(signature, pubKey))
+}
- loop()
- }
+function decodeStack (stack) {
+ typeforce(check, stack)
- while (i < 80) {
- calcW()
- loop()
+ return {
+ signature: stack[0],
+ pubKey: stack[1]
}
+}
- this._al = (this._al + al) | 0
- this._bl = (this._bl + bl) | 0
- this._cl = (this._cl + cl) | 0
- this._dl = (this._dl + dl) | 0
- this._el = (this._el + el) | 0
- this._fl = (this._fl + fl) | 0
- this._gl = (this._gl + gl) | 0
- this._hl = (this._hl + hl) | 0
+function decode (buffer) {
+ var stack = bscript.decompile(buffer)
+ return decodeStack(stack)
+}
- this._a = (this._a + a + ((this._al >>> 0) < (al >>> 0) ? 1 : 0)) | 0
- this._b = (this._b + b + ((this._bl >>> 0) < (bl >>> 0) ? 1 : 0)) | 0
- this._c = (this._c + c + ((this._cl >>> 0) < (cl >>> 0) ? 1 : 0)) | 0
- this._d = (this._d + d + ((this._dl >>> 0) < (dl >>> 0) ? 1 : 0)) | 0
- this._e = (this._e + e + ((this._el >>> 0) < (el >>> 0) ? 1 : 0)) | 0
- this._f = (this._f + f + ((this._fl >>> 0) < (fl >>> 0) ? 1 : 0)) | 0
- this._g = (this._g + g + ((this._gl >>> 0) < (gl >>> 0) ? 1 : 0)) | 0
- this._h = (this._h + h + ((this._hl >>> 0) < (hl >>> 0) ? 1 : 0)) | 0
+module.exports = {
+ check: check,
+ decode: decode,
+ decodeStack: decodeStack,
+ encode: encode,
+ encodeStack: encodeStack
}
-Sha512.prototype._hash = function () {
- var H = new Buffer(64)
+},{"../../script":52,"../../types":78,"typeforce":109}],64:[function(require,module,exports){
+// OP_DUP OP_HASH160 {pubKeyHash} OP_EQUALVERIFY OP_CHECKSIG
- function writeInt64BE (h, l, offset) {
- H.writeInt32BE(h, offset)
- H.writeInt32BE(l, offset + 4)
- }
+var bscript = require('../../script')
+var types = require('../../types')
+var typeforce = require('typeforce')
+var OPS = require('bitcoin-ops')
- writeInt64BE(this._a, this._al, 0)
- writeInt64BE(this._b, this._bl, 8)
- writeInt64BE(this._c, this._cl, 16)
- writeInt64BE(this._d, this._dl, 24)
- writeInt64BE(this._e, this._el, 32)
- writeInt64BE(this._f, this._fl, 40)
- writeInt64BE(this._g, this._gl, 48)
- writeInt64BE(this._h, this._hl, 56)
+function check (script) {
+ var buffer = bscript.compile(script)
- return H
+ return buffer.length === 25 &&
+ buffer[0] === OPS.OP_DUP &&
+ buffer[1] === OPS.OP_HASH160 &&
+ buffer[2] === 0x14 &&
+ buffer[23] === OPS.OP_EQUALVERIFY &&
+ buffer[24] === OPS.OP_CHECKSIG
}
+check.toJSON = function () { return 'pubKeyHash output' }
-module.exports = Sha512
+function encode (pubKeyHash) {
+ typeforce(types.Hash160bit, pubKeyHash)
-}).call(this,require("buffer").Buffer)
-},{"./hash":37,"buffer":7,"inherits":35}],45:[function(require,module,exports){
-(function (Buffer){
-'use strict';
-var createHash = require('create-hash/browser');
-var inherits = require('inherits')
+ return bscript.compile([
+ OPS.OP_DUP,
+ OPS.OP_HASH160,
+ pubKeyHash,
+ OPS.OP_EQUALVERIFY,
+ OPS.OP_CHECKSIG
+ ])
+}
-var Transform = require('stream').Transform
+function decode (buffer) {
+ typeforce(check, buffer)
-var ZEROS = new Buffer(128)
-ZEROS.fill(0)
+ return buffer.slice(3, 23)
+}
-function Hmac(alg, key) {
- Transform.call(this)
+module.exports = {
+ check: check,
+ decode: decode,
+ encode: encode
+}
- if (typeof key === 'string') {
- key = new Buffer(key)
- }
+},{"../../script":52,"../../types":78,"bitcoin-ops":40,"typeforce":109}],65:[function(require,module,exports){
+arguments[4][55][0].apply(exports,arguments)
+},{"./input":66,"./output":67,"dup":55}],66:[function(require,module,exports){
+// <scriptSig> {serialized scriptPubKey script}
- var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64
+var Buffer = require('safe-buffer').Buffer
+var bscript = require('../../script')
+var typeforce = require('typeforce')
- this._alg = alg
- this._key = key
+function check (script, allowIncomplete) {
+ var chunks = bscript.decompile(script)
+ if (chunks.length < 1) return false
- if (key.length > blocksize) {
- key = createHash(alg).update(key).digest()
+ var lastChunk = chunks[chunks.length - 1]
+ if (!Buffer.isBuffer(lastChunk)) return false
- } else if (key.length < blocksize) {
- key = Buffer.concat([key, ZEROS], blocksize)
- }
+ var scriptSigChunks = bscript.decompile(bscript.compile(chunks.slice(0, -1)))
+ var redeemScriptChunks = bscript.decompile(lastChunk)
- var ipad = this._ipad = new Buffer(blocksize)
- var opad = this._opad = new Buffer(blocksize)
+ // is redeemScript a valid script?
+ if (redeemScriptChunks.length === 0) return false
- for (var i = 0; i < blocksize; i++) {
- ipad[i] = key[i] ^ 0x36
- opad[i] = key[i] ^ 0x5C
+ // is redeemScriptSig push only?
+ if (!bscript.isPushOnly(scriptSigChunks)) return false
+
+ var inputType = bscript.classifyInput(scriptSigChunks, allowIncomplete)
+ var outputType = bscript.classifyOutput(redeemScriptChunks)
+ if (chunks.length === 1) {
+ return outputType === bscript.types.P2WSH || outputType === bscript.types.P2WPKH
}
+ return inputType === outputType
+}
+check.toJSON = function () { return 'scriptHash input' }
+
+function encodeStack (redeemScriptStack, redeemScript) {
+ var serializedScriptPubKey = bscript.compile(redeemScript)
- this._hash = createHash(alg).update(ipad)
+ return [].concat(redeemScriptStack, serializedScriptPubKey)
}
-inherits(Hmac, Transform)
+function encode (redeemScriptSig, redeemScript) {
+ var redeemScriptStack = bscript.decompile(redeemScriptSig)
-Hmac.prototype.update = function (data, enc) {
- this._hash.update(data, enc)
+ return bscript.compile(encodeStack(redeemScriptStack, redeemScript))
+}
- return this
+function decodeStack (stack) {
+ typeforce(check, stack)
+
+ return {
+ redeemScriptStack: stack.slice(0, -1),
+ redeemScript: stack[stack.length - 1]
+ }
}
-Hmac.prototype._transform = function (data, _, next) {
- this._hash.update(data)
+function decode (buffer) {
+ var stack = bscript.decompile(buffer)
+ var result = decodeStack(stack)
+ result.redeemScriptSig = bscript.compile(result.redeemScriptStack)
+ delete result.redeemScriptStack
+ return result
+}
- next()
+module.exports = {
+ check: check,
+ decode: decode,
+ decodeStack: decodeStack,
+ encode: encode,
+ encodeStack: encodeStack
}
-Hmac.prototype._flush = function (next) {
- this.push(this.digest())
+},{"../../script":52,"safe-buffer":98,"typeforce":109}],67:[function(require,module,exports){
+// OP_HASH160 {scriptHash} OP_EQUAL
+
+var bscript = require('../../script')
+var types = require('../../types')
+var typeforce = require('typeforce')
+var OPS = require('bitcoin-ops')
+
+function check (script) {
+ var buffer = bscript.compile(script)
- next()
+ return buffer.length === 23 &&
+ buffer[0] === OPS.OP_HASH160 &&
+ buffer[1] === 0x14 &&
+ buffer[22] === OPS.OP_EQUAL
}
+check.toJSON = function () { return 'scriptHash output' }
-Hmac.prototype.digest = function (enc) {
- var h = this._hash.digest()
+function encode (scriptHash) {
+ typeforce(types.Hash160bit, scriptHash)
- return createHash(this._alg).update(this._opad).update(h).digest(enc)
+ return bscript.compile([OPS.OP_HASH160, scriptHash, OPS.OP_EQUAL])
}
-module.exports = function createHmac(alg, key) {
- return new Hmac(alg, key)
+function decode (buffer) {
+ typeforce(check, buffer)
+
+ return buffer.slice(2, 22)
}
-}).call(this,require("buffer").Buffer)
-},{"buffer":7,"create-hash/browser":32,"inherits":46,"stream":26}],46:[function(require,module,exports){
-arguments[4][12][0].apply(exports,arguments)
-},{"dup":12}],47:[function(require,module,exports){
-var assert = require('assert')
-var BigInteger = require('bigi')
+module.exports = {
+ check: check,
+ decode: decode,
+ encode: encode
+}
-var Point = require('./point')
+},{"../../script":52,"../../types":78,"bitcoin-ops":40,"typeforce":109}],68:[function(require,module,exports){
+module.exports = {
+ output: require('./output')
+}
-function Curve(p, a, b, Gx, Gy, n, h) {
- this.p = p
- this.a = a
- this.b = b
- this.G = Point.fromAffine(this, Gx, Gy)
- this.n = n
- this.h = h
+},{"./output":69}],69:[function(require,module,exports){
+// OP_RETURN {aa21a9ed} {commitment}
- this.infinity = new Point(this, null, null, BigInteger.ZERO)
+var Buffer = require('safe-buffer').Buffer
+var bscript = require('../../script')
+var types = require('../../types')
+var typeforce = require('typeforce')
+var OPS = require('bitcoin-ops')
- // result caching
- this.pOverFour = p.add(BigInteger.ONE).shiftRight(2)
+var HEADER = Buffer.from('aa21a9ed', 'hex')
+
+function check (script) {
+ var buffer = bscript.compile(script)
+
+ return buffer.length > 37 &&
+ buffer[0] === OPS.OP_RETURN &&
+ buffer[1] === 0x24 &&
+ buffer.slice(2, 6).equals(HEADER)
}
-Curve.prototype.pointFromX = function(isOdd, x) {
- var alpha = x.pow(3).add(this.a.multiply(x)).add(this.b).mod(this.p)
- var beta = alpha.modPow(this.pOverFour, this.p) // XXX: not compatible with all curves
+check.toJSON = function () { return 'Witness commitment output' }
- var y = beta
- if (beta.isEven() ^ !isOdd) {
- y = this.p.subtract(y) // -y % p
- }
+function encode (commitment) {
+ typeforce(types.Hash256bit, commitment)
- return Point.fromAffine(this, x, y)
+ var buffer = Buffer.allocUnsafe(36)
+ HEADER.copy(buffer, 0)
+ commitment.copy(buffer, 4)
+
+ return bscript.compile([OPS.OP_RETURN, buffer])
}
-Curve.prototype.isInfinity = function(Q) {
- if (Q === this.infinity) return true
+function decode (buffer) {
+ typeforce(check, buffer)
- return Q.z.signum() === 0 && Q.y.signum() !== 0
+ return bscript.decompile(buffer)[1].slice(4, 36)
}
-Curve.prototype.isOnCurve = function(Q) {
- if (this.isInfinity(Q)) return true
+module.exports = {
+ check: check,
+ decode: decode,
+ encode: encode
+}
- var x = Q.affineX
- var y = Q.affineY
- var a = this.a
- var b = this.b
- var p = this.p
+},{"../../script":52,"../../types":78,"bitcoin-ops":40,"safe-buffer":98,"typeforce":109}],70:[function(require,module,exports){
+arguments[4][55][0].apply(exports,arguments)
+},{"./input":71,"./output":72,"dup":55}],71:[function(require,module,exports){
+// {signature} {pubKey}
- // Check that xQ and yQ are integers in the interval [0, p - 1]
- if (x.signum() < 0 || x.compareTo(p) >= 0) return false
- if (y.signum() < 0 || y.compareTo(p) >= 0) return false
+var pkh = require('../pubkeyhash/input')
- // and check that y^2 = x^3 + ax + b (mod p)
- var lhs = y.square().mod(p)
- var rhs = x.pow(3).add(a.multiply(x)).add(b).mod(p)
- return lhs.equals(rhs)
+module.exports = {
+ check: pkh.check,
+ decodeStack: pkh.decodeStack,
+ encodeStack: pkh.encodeStack
}
-/**
- * Validate an elliptic curve point.
- *
- * See SEC 1, section 3.2.2.1: Elliptic Curve Public Key Validation Primitive
- */
-Curve.prototype.validate = function(Q) {
- // Check Q != O
- assert(!this.isInfinity(Q), 'Point is at infinity')
- assert(this.isOnCurve(Q), 'Point is not on the curve')
+},{"../pubkeyhash/input":63}],72:[function(require,module,exports){
+// OP_0 {pubKeyHash}
- // Check nQ = O (where Q is a scalar multiple of G)
- var nQ = Q.multiply(this.n)
- assert(this.isInfinity(nQ), 'Point is not a scalar multiple of G')
+var bscript = require('../../script')
+var types = require('../../types')
+var typeforce = require('typeforce')
+var OPS = require('bitcoin-ops')
- return true
+function check (script) {
+ var buffer = bscript.compile(script)
+
+ return buffer.length === 22 &&
+ buffer[0] === OPS.OP_0 &&
+ buffer[1] === 0x14
}
+check.toJSON = function () { return 'Witness pubKeyHash output' }
-module.exports = Curve
+function encode (pubKeyHash) {
+ typeforce(types.Hash160bit, pubKeyHash)
-},{"./point":51,"assert":5,"bigi":3}],48:[function(require,module,exports){
-module.exports={
- "secp128r1": {
- "p": "fffffffdffffffffffffffffffffffff",
- "a": "fffffffdfffffffffffffffffffffffc",
- "b": "e87579c11079f43dd824993c2cee5ed3",
- "n": "fffffffe0000000075a30d1b9038a115",
- "h": "01",
- "Gx": "161ff7528b899b2d0c28607ca52c5b86",
- "Gy": "cf5ac8395bafeb13c02da292dded7a83"
- },
- "secp160k1": {
- "p": "fffffffffffffffffffffffffffffffeffffac73",
- "a": "00",
- "b": "07",
- "n": "0100000000000000000001b8fa16dfab9aca16b6b3",
- "h": "01",
- "Gx": "3b4c382ce37aa192a4019e763036f4f5dd4d7ebb",
- "Gy": "938cf935318fdced6bc28286531733c3f03c4fee"
- },
- "secp160r1": {
- "p": "ffffffffffffffffffffffffffffffff7fffffff",
- "a": "ffffffffffffffffffffffffffffffff7ffffffc",
- "b": "1c97befc54bd7a8b65acf89f81d4d4adc565fa45",
- "n": "0100000000000000000001f4c8f927aed3ca752257",
- "h": "01",
- "Gx": "4a96b5688ef573284664698968c38bb913cbfc82",
- "Gy": "23a628553168947d59dcc912042351377ac5fb32"
- },
- "secp192k1": {
- "p": "fffffffffffffffffffffffffffffffffffffffeffffee37",
- "a": "00",
- "b": "03",
- "n": "fffffffffffffffffffffffe26f2fc170f69466a74defd8d",
- "h": "01",
- "Gx": "db4ff10ec057e9ae26b07d0280b7f4341da5d1b1eae06c7d",
- "Gy": "9b2f2f6d9c5628a7844163d015be86344082aa88d95e2f9d"
- },
- "secp192r1": {
- "p": "fffffffffffffffffffffffffffffffeffffffffffffffff",
- "a": "fffffffffffffffffffffffffffffffefffffffffffffffc",
- "b": "64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1",
- "n": "ffffffffffffffffffffffff99def836146bc9b1b4d22831",
- "h": "01",
- "Gx": "188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012",
- "Gy": "07192b95ffc8da78631011ed6b24cdd573f977a11e794811"
- },
- "secp256k1": {
- "p": "fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
- "a": "00",
- "b": "07",
- "n": "fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141",
- "h": "01",
- "Gx": "79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798",
- "Gy": "483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8"
- },
- "secp256r1": {
- "p": "ffffffff00000001000000000000000000000000ffffffffffffffffffffffff",
- "a": "ffffffff00000001000000000000000000000000fffffffffffffffffffffffc",
- "b": "5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b",
- "n": "ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551",
- "h": "01",
- "Gx": "6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296",
- "Gy": "4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5"
- }
+ return bscript.compile([OPS.OP_0, pubKeyHash])
+}
+
+function decode (buffer) {
+ typeforce(check, buffer)
+
+ return buffer.slice(2)
}
-},{}],49:[function(require,module,exports){
-var Point = require('./point')
-var Curve = require('./curve')
+module.exports = {
+ check: check,
+ decode: decode,
+ encode: encode
+}
-var getCurveByName = require('./names')
+},{"../../script":52,"../../types":78,"bitcoin-ops":40,"typeforce":109}],73:[function(require,module,exports){
+arguments[4][55][0].apply(exports,arguments)
+},{"./input":74,"./output":75,"dup":55}],74:[function(require,module,exports){
+// {signature} {pubKey}
+
+var p2sh = require('../scripthash/input')
module.exports = {
- Curve: Curve,
- Point: Point,
- getCurveByName: getCurveByName
+ check: p2sh.check,
+ decodeStack: p2sh.decodeStack,
+ encodeStack: p2sh.encodeStack
}
-},{"./curve":47,"./names":50,"./point":51}],50:[function(require,module,exports){
-var BigInteger = require('bigi')
+},{"../scripthash/input":66}],75:[function(require,module,exports){
+// OP_0 {scriptHash}
-var curves = require('./curves')
-var Curve = require('./curve')
+var bscript = require('../../script')
+var types = require('../../types')
+var typeforce = require('typeforce')
+var OPS = require('bitcoin-ops')
-function getCurveByName(name) {
- var curve = curves[name]
- if (!curve) return null
+function check (script) {
+ var buffer = bscript.compile(script)
- var p = new BigInteger(curve.p, 16)
- var a = new BigInteger(curve.a, 16)
- var b = new BigInteger(curve.b, 16)
- var n = new BigInteger(curve.n, 16)
- var h = new BigInteger(curve.h, 16)
- var Gx = new BigInteger(curve.Gx, 16)
- var Gy = new BigInteger(curve.Gy, 16)
+ return buffer.length === 34 &&
+ buffer[0] === OPS.OP_0 &&
+ buffer[1] === 0x20
+}
+check.toJSON = function () { return 'Witness scriptHash output' }
- return new Curve(p, a, b, Gx, Gy, n, h)
+function encode (scriptHash) {
+ typeforce(types.Hash256bit, scriptHash)
+
+ return bscript.compile([OPS.OP_0, scriptHash])
}
-module.exports = getCurveByName
+function decode (buffer) {
+ typeforce(check, buffer)
-},{"./curve":47,"./curves":48,"bigi":3}],51:[function(require,module,exports){
-(function (Buffer){
-var assert = require('assert')
-var BigInteger = require('bigi')
+ return buffer.slice(2)
+}
-var THREE = BigInteger.valueOf(3)
+module.exports = {
+ check: check,
+ decode: decode,
+ encode: encode
+}
-function Point(curve, x, y, z) {
- assert.notStrictEqual(z, undefined, 'Missing Z coordinate')
+},{"../../script":52,"../../types":78,"bitcoin-ops":40,"typeforce":109}],76:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var bcrypto = require('./crypto')
+var bscript = require('./script')
+var bufferutils = require('./bufferutils')
+var opcodes = require('bitcoin-ops')
+var typeforce = require('typeforce')
+var types = require('./types')
+var varuint = require('varuint-bitcoin')
- this.curve = curve
- this.x = x
- this.y = y
- this.z = z
- this._zInv = null
+function varSliceSize (someScript) {
+ var length = someScript.length
- this.compressed = true
+ return varuint.encodingLength(length) + length
}
-Object.defineProperty(Point.prototype, 'zInv', {
- get: function() {
- if (this._zInv === null) {
- this._zInv = this.z.modInverse(this.curve.p)
- }
+function vectorSize (someVector) {
+ var length = someVector.length
- return this._zInv
- }
-})
+ return varuint.encodingLength(length) + someVector.reduce(function (sum, witness) {
+ return sum + varSliceSize(witness)
+ }, 0)
+}
-Object.defineProperty(Point.prototype, 'affineX', {
- get: function() {
- return this.x.multiply(this.zInv).mod(this.curve.p)
- }
-})
+function Transaction () {
+ this.version = 1
+ this.locktime = 0
+ this.ins = []
+ this.outs = []
+}
-Object.defineProperty(Point.prototype, 'affineY', {
- get: function() {
- return this.y.multiply(this.zInv).mod(this.curve.p)
- }
-})
+Transaction.DEFAULT_SEQUENCE = 0xffffffff
+Transaction.SIGHASH_ALL = 0x01
+Transaction.SIGHASH_NONE = 0x02
+Transaction.SIGHASH_SINGLE = 0x03
+Transaction.SIGHASH_ANYONECANPAY = 0x80
+Transaction.ADVANCED_TRANSACTION_MARKER = 0x00
+Transaction.ADVANCED_TRANSACTION_FLAG = 0x01
-Point.fromAffine = function(curve, x, y) {
- return new Point(curve, x, y, BigInteger.ONE)
+var EMPTY_SCRIPT = Buffer.allocUnsafe(0)
+var EMPTY_WITNESS = []
+var ZERO = Buffer.from('0000000000000000000000000000000000000000000000000000000000000000', 'hex')
+var ONE = Buffer.from('0000000000000000000000000000000000000000000000000000000000000001', 'hex')
+var VALUE_UINT64_MAX = Buffer.from('ffffffffffffffff', 'hex')
+var BLANK_OUTPUT = {
+ script: EMPTY_SCRIPT,
+ valueBuffer: VALUE_UINT64_MAX
}
-Point.prototype.equals = function(other) {
- if (other === this) return true
- if (this.curve.isInfinity(this)) return this.curve.isInfinity(other)
- if (this.curve.isInfinity(other)) return this.curve.isInfinity(this)
+Transaction.fromBuffer = function (buffer, __noStrict) {
+ var offset = 0
+ function readSlice (n) {
+ offset += n
+ return buffer.slice(offset - n, offset)
+ }
- // u = Y2 * Z1 - Y1 * Z2
- var u = other.y.multiply(this.z).subtract(this.y.multiply(other.z)).mod(this.curve.p)
+ function readUInt32 () {
+ var i = buffer.readUInt32LE(offset)
+ offset += 4
+ return i
+ }
- if (u.signum() !== 0) return false
+ function readInt32 () {
+ var i = buffer.readInt32LE(offset)
+ offset += 4
+ return i
+ }
- // v = X2 * Z1 - X1 * Z2
- var v = other.x.multiply(this.z).subtract(this.x.multiply(other.z)).mod(this.curve.p)
+ function readUInt64 () {
+ var i = bufferutils.readUInt64LE(buffer, offset)
+ offset += 8
+ return i
+ }
- return v.signum() === 0
-}
+ function readVarInt () {
+ var vi = varuint.decode(buffer, offset)
+ offset += varuint.decode.bytes
+ return vi
+ }
-Point.prototype.negate = function() {
- var y = this.curve.p.subtract(this.y)
+ function readVarSlice () {
+ return readSlice(readVarInt())
+ }
- return new Point(this.curve, this.x, y, this.z)
-}
+ function readVector () {
+ var count = readVarInt()
+ var vector = []
+ for (var i = 0; i < count; i++) vector.push(readVarSlice())
+ return vector
+ }
-Point.prototype.add = function(b) {
- if (this.curve.isInfinity(this)) return b
- if (this.curve.isInfinity(b)) return this
+ var tx = new Transaction()
+ tx.version = readInt32()
- var x1 = this.x
- var y1 = this.y
- var x2 = b.x
- var y2 = b.y
+ var marker = buffer.readUInt8(offset)
+ var flag = buffer.readUInt8(offset + 1)
- // u = Y2 * Z1 - Y1 * Z2
- var u = y2.multiply(this.z).subtract(y1.multiply(b.z)).mod(this.curve.p)
- // v = X2 * Z1 - X1 * Z2
- var v = x2.multiply(this.z).subtract(x1.multiply(b.z)).mod(this.curve.p)
+ var hasWitnesses = false
+ if (marker === Transaction.ADVANCED_TRANSACTION_MARKER &&
+ flag === Transaction.ADVANCED_TRANSACTION_FLAG) {
+ offset += 2
+ hasWitnesses = true
+ }
- if (v.signum() === 0) {
- if (u.signum() === 0) {
- return this.twice() // this == b, so double
+ var vinLen = readVarInt()
+ for (var i = 0; i < vinLen; ++i) {
+ tx.ins.push({
+ hash: readSlice(32),
+ index: readUInt32(),
+ script: readVarSlice(),
+ sequence: readUInt32(),
+ witness: EMPTY_WITNESS
+ })
+ }
+
+ var voutLen = readVarInt()
+ for (i = 0; i < voutLen; ++i) {
+ tx.outs.push({
+ value: readUInt64(),
+ script: readVarSlice()
+ })
+ }
+
+ if (hasWitnesses) {
+ for (i = 0; i < vinLen; ++i) {
+ tx.ins[i].witness = readVector()
}
- return this.curve.infinity // this = -b, so infinity
+ // was this pointless?
+ if (!tx.hasWitnesses()) throw new Error('Transaction has superfluous witness data')
}
- var v2 = v.square()
- var v3 = v2.multiply(v)
- var x1v2 = x1.multiply(v2)
- var zu2 = u.square().multiply(this.z)
+ tx.locktime = readUInt32()
- // x3 = v * (z2 * (z1 * u^2 - 2 * x1 * v^2) - v^3)
- var x3 = zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.p)
- // y3 = z2 * (3 * x1 * u * v^2 - y1 * v^3 - z1 * u^3) + u * v^3
- var y3 = x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(b.z).add(u.multiply(v3)).mod(this.curve.p)
- // z3 = v^3 * z1 * z2
- var z3 = v3.multiply(this.z).multiply(b.z).mod(this.curve.p)
+ if (__noStrict) return tx
+ if (offset !== buffer.length) throw new Error('Transaction has unexpected data')
- return new Point(this.curve, x3, y3, z3)
+ return tx
}
-Point.prototype.twice = function() {
- if (this.curve.isInfinity(this)) return this
- if (this.y.signum() === 0) return this.curve.infinity
+Transaction.fromHex = function (hex) {
+ return Transaction.fromBuffer(Buffer.from(hex, 'hex'))
+}
- var x1 = this.x
- var y1 = this.y
+Transaction.isCoinbaseHash = function (buffer) {
+ typeforce(types.Hash256bit, buffer)
+ for (var i = 0; i < 32; ++i) {
+ if (buffer[i] !== 0) return false
+ }
+ return true
+}
- var y1z1 = y1.multiply(this.z)
- var y1sqz1 = y1z1.multiply(y1).mod(this.curve.p)
- var a = this.curve.a
+Transaction.prototype.isCoinbase = function () {
+ return this.ins.length === 1 && Transaction.isCoinbaseHash(this.ins[0].hash)
+}
- // w = 3 * x1^2 + a * z1^2
- var w = x1.square().multiply(THREE)
+Transaction.prototype.addInput = function (hash, index, sequence, scriptSig) {
+ typeforce(types.tuple(
+ types.Hash256bit,
+ types.UInt32,
+ types.maybe(types.UInt32),
+ types.maybe(types.Buffer)
+ ), arguments)
- if (a.signum() !== 0) {
- w = w.add(this.z.square().multiply(a))
+ if (types.Null(sequence)) {
+ sequence = Transaction.DEFAULT_SEQUENCE
}
- w = w.mod(this.curve.p)
- // x3 = 2 * y1 * z1 * (w^2 - 8 * x1 * y1^2 * z1)
- var x3 = w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(this.curve.p)
- // y3 = 4 * y1^2 * z1 * (3 * w * x1 - 2 * y1^2 * z1) - w^3
- var y3 = w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(y1sqz1).subtract(w.pow(3)).mod(this.curve.p)
- // z3 = 8 * (y1 * z1)^3
- var z3 = y1z1.pow(3).shiftLeft(3).mod(this.curve.p)
+ // Add the input and return the input's index
+ return (this.ins.push({
+ hash: hash,
+ index: index,
+ script: scriptSig || EMPTY_SCRIPT,
+ sequence: sequence,
+ witness: EMPTY_WITNESS
+ }) - 1)
+}
- return new Point(this.curve, x3, y3, z3)
+Transaction.prototype.addOutput = function (scriptPubKey, value) {
+ typeforce(types.tuple(types.Buffer, types.Satoshi), arguments)
+
+ // Add the output and return the output's index
+ return (this.outs.push({
+ script: scriptPubKey,
+ value: value
+ }) - 1)
}
-// Simple NAF (Non-Adjacent Form) multiplication algorithm
-// TODO: modularize the multiplication algorithm
-Point.prototype.multiply = function(k) {
- if (this.curve.isInfinity(this)) return this
- if (k.signum() === 0) return this.curve.infinity
+Transaction.prototype.hasWitnesses = function () {
+ return this.ins.some(function (x) {
+ return x.witness.length !== 0
+ })
+}
- var e = k
- var h = e.multiply(THREE)
+Transaction.prototype.weight = function () {
+ var base = this.__byteLength(false)
+ var total = this.__byteLength(true)
+ return base * 3 + total
+}
- var neg = this.negate()
- var R = this
+Transaction.prototype.virtualSize = function () {
+ return Math.ceil(this.weight() / 4)
+}
- for (var i = h.bitLength() - 2; i > 0; --i) {
- R = R.twice()
+Transaction.prototype.byteLength = function () {
+ return this.__byteLength(true)
+}
- var hBit = h.testBit(i)
- var eBit = e.testBit(i)
+Transaction.prototype.__byteLength = function (__allowWitness) {
+ var hasWitnesses = __allowWitness && this.hasWitnesses()
- if (hBit != eBit) {
- R = R.add(hBit ? this : neg)
+ return (
+ (hasWitnesses ? 10 : 8) +
+ varuint.encodingLength(this.ins.length) +
+ varuint.encodingLength(this.outs.length) +
+ this.ins.reduce(function (sum, input) { return sum + 40 + varSliceSize(input.script) }, 0) +
+ this.outs.reduce(function (sum, output) { return sum + 8 + varSliceSize(output.script) }, 0) +
+ (hasWitnesses ? this.ins.reduce(function (sum, input) { return sum + vectorSize(input.witness) }, 0) : 0)
+ )
+}
+
+Transaction.prototype.clone = function () {
+ var newTx = new Transaction()
+ newTx.version = this.version
+ newTx.locktime = this.locktime
+
+ newTx.ins = this.ins.map(function (txIn) {
+ return {
+ hash: txIn.hash,
+ index: txIn.index,
+ script: txIn.script,
+ sequence: txIn.sequence,
+ witness: txIn.witness
}
- }
+ })
- return R
+ newTx.outs = this.outs.map(function (txOut) {
+ return {
+ script: txOut.script,
+ value: txOut.value
+ }
+ })
+
+ return newTx
}
-// Compute this*j + x*k (simultaneous multiplication)
-Point.prototype.multiplyTwo = function(j, x, k) {
- var i
+/**
+ * Hash transaction for signing a specific input.
+ *
+ * Bitcoin uses a different hash for each signed transaction input.
+ * This method copies the transaction, makes the necessary changes based on the
+ * hashType, and then hashes the result.
+ * This hash can then be used to sign the provided transaction input.
+ */
+Transaction.prototype.hashForSignature = function (inIndex, prevOutScript, hashType) {
+ typeforce(types.tuple(types.UInt32, types.Buffer, /* types.UInt8 */ types.Number), arguments)
- if (j.bitLength() > k.bitLength())
- i = j.bitLength() - 1
- else
- i = k.bitLength() - 1
+ // https://github.com/bitcoin/bitcoin/blob/master/src/test/sighash_tests.cpp#L29
+ if (inIndex >= this.ins.length) return ONE
- var R = this.curve.infinity
- var both = this.add(x)
+ // ignore OP_CODESEPARATOR
+ var ourScript = bscript.compile(bscript.decompile(prevOutScript).filter(function (x) {
+ return x !== opcodes.OP_CODESEPARATOR
+ }))
- while (i >= 0) {
- R = R.twice()
+ var txTmp = this.clone()
- var jBit = j.testBit(i)
- var kBit = k.testBit(i)
+ // SIGHASH_NONE: ignore all outputs? (wildcard payee)
+ if ((hashType & 0x1f) === Transaction.SIGHASH_NONE) {
+ txTmp.outs = []
- if (jBit) {
- if (kBit) {
- R = R.add(both)
+ // ignore sequence numbers (except at inIndex)
+ txTmp.ins.forEach(function (input, i) {
+ if (i === inIndex) return
- } else {
- R = R.add(this)
- }
+ input.sequence = 0
+ })
- } else {
- if (kBit) {
- R = R.add(x)
- }
+ // SIGHASH_SINGLE: ignore all outputs, except at the same index?
+ } else if ((hashType & 0x1f) === Transaction.SIGHASH_SINGLE) {
+ // https://github.com/bitcoin/bitcoin/blob/master/src/test/sighash_tests.cpp#L60
+ if (inIndex >= this.outs.length) return ONE
+
+ // truncate outputs after
+ txTmp.outs.length = inIndex + 1
+
+ // "blank" outputs before
+ for (var i = 0; i < inIndex; i++) {
+ txTmp.outs[i] = BLANK_OUTPUT
}
- --i
+
+ // ignore sequence numbers (except at inIndex)
+ txTmp.ins.forEach(function (input, y) {
+ if (y === inIndex) return
+
+ input.sequence = 0
+ })
}
- return R
-}
+ // SIGHASH_ANYONECANPAY: ignore inputs entirely?
+ if (hashType & Transaction.SIGHASH_ANYONECANPAY) {
+ txTmp.ins = [txTmp.ins[inIndex]]
+ txTmp.ins[0].script = ourScript
-Point.prototype.getEncoded = function(compressed) {
- if (compressed == undefined) compressed = this.compressed
- if (this.curve.isInfinity(this)) return new Buffer('00', 'hex') // Infinity point encoded is simply '00'
+ // SIGHASH_ALL: only ignore input scripts
+ } else {
+ // "blank" others input scripts
+ txTmp.ins.forEach(function (input) { input.script = EMPTY_SCRIPT })
+ txTmp.ins[inIndex].script = ourScript
+ }
- var x = this.affineX
- var y = this.affineY
+ // serialize and hash
+ var buffer = Buffer.allocUnsafe(txTmp.__byteLength(false) + 4)
+ buffer.writeInt32LE(hashType, buffer.length - 4)
+ txTmp.__toBuffer(buffer, 0, false)
- var buffer
+ return bcrypto.hash256(buffer)
+}
- // Determine size of q in bytes
- var byteLength = Math.floor((this.curve.p.bitLength() + 7) / 8)
+Transaction.prototype.hashForWitnessV0 = function (inIndex, prevOutScript, value, hashType) {
+ typeforce(types.tuple(types.UInt32, types.Buffer, types.Satoshi, types.UInt32), arguments)
- // 0x02/0x03 | X
- if (compressed) {
- buffer = new Buffer(1 + byteLength)
- buffer.writeUInt8(y.isEven() ? 0x02 : 0x03, 0)
+ var tbuffer, toffset
+ function writeSlice (slice) { toffset += slice.copy(tbuffer, toffset) }
+ function writeUInt32 (i) { toffset = tbuffer.writeUInt32LE(i, toffset) }
+ function writeUInt64 (i) { toffset = bufferutils.writeUInt64LE(tbuffer, i, toffset) }
+ function writeVarInt (i) {
+ varuint.encode(i, tbuffer, toffset)
+ toffset += varuint.encode.bytes
+ }
+ function writeVarSlice (slice) { writeVarInt(slice.length); writeSlice(slice) }
- // 0x04 | X | Y
- } else {
- buffer = new Buffer(1 + byteLength + byteLength)
- buffer.writeUInt8(0x04, 0)
+ var hashOutputs = ZERO
+ var hashPrevouts = ZERO
+ var hashSequence = ZERO
- y.toBuffer(byteLength).copy(buffer, 1 + byteLength)
+ if (!(hashType & Transaction.SIGHASH_ANYONECANPAY)) {
+ tbuffer = Buffer.allocUnsafe(36 * this.ins.length)
+ toffset = 0
+
+ this.ins.forEach(function (txIn) {
+ writeSlice(txIn.hash)
+ writeUInt32(txIn.index)
+ })
+
+ hashPrevouts = bcrypto.hash256(tbuffer)
}
- x.toBuffer(byteLength).copy(buffer, 1)
+ if (!(hashType & Transaction.SIGHASH_ANYONECANPAY) &&
+ (hashType & 0x1f) !== Transaction.SIGHASH_SINGLE &&
+ (hashType & 0x1f) !== Transaction.SIGHASH_NONE) {
+ tbuffer = Buffer.allocUnsafe(4 * this.ins.length)
+ toffset = 0
- return buffer
-}
+ this.ins.forEach(function (txIn) {
+ writeUInt32(txIn.sequence)
+ })
-Point.decodeFrom = function(curve, buffer) {
- var type = buffer.readUInt8(0)
- var compressed = (type !== 4)
+ hashSequence = bcrypto.hash256(tbuffer)
+ }
- var byteLength = Math.floor((curve.p.bitLength() + 7) / 8)
- var x = BigInteger.fromBuffer(buffer.slice(1, 1 + byteLength))
+ if ((hashType & 0x1f) !== Transaction.SIGHASH_SINGLE &&
+ (hashType & 0x1f) !== Transaction.SIGHASH_NONE) {
+ var txOutsSize = this.outs.reduce(function (sum, output) {
+ return sum + 8 + varSliceSize(output.script)
+ }, 0)
- var Q
- if (compressed) {
- assert.equal(buffer.length, byteLength + 1, 'Invalid sequence length')
- assert(type === 0x02 || type === 0x03, 'Invalid sequence tag')
+ tbuffer = Buffer.allocUnsafe(txOutsSize)
+ toffset = 0
- var isOdd = (type === 0x03)
- Q = curve.pointFromX(isOdd, x)
+ this.outs.forEach(function (out) {
+ writeUInt64(out.value)
+ writeVarSlice(out.script)
+ })
- } else {
- assert.equal(buffer.length, 1 + byteLength + byteLength, 'Invalid sequence length')
+ hashOutputs = bcrypto.hash256(tbuffer)
+ } else if ((hashType & 0x1f) === Transaction.SIGHASH_SINGLE && inIndex < this.outs.length) {
+ var output = this.outs[inIndex]
- var y = BigInteger.fromBuffer(buffer.slice(1 + byteLength))
- Q = Point.fromAffine(curve, x, y)
+ tbuffer = Buffer.allocUnsafe(8 + varSliceSize(output.script))
+ toffset = 0
+ writeUInt64(output.value)
+ writeVarSlice(output.script)
+
+ hashOutputs = bcrypto.hash256(tbuffer)
}
- Q.compressed = compressed
- return Q
+ tbuffer = Buffer.allocUnsafe(156 + varSliceSize(prevOutScript))
+ toffset = 0
+
+ var input = this.ins[inIndex]
+ writeUInt32(this.version)
+ writeSlice(hashPrevouts)
+ writeSlice(hashSequence)
+ writeSlice(input.hash)
+ writeUInt32(input.index)
+ writeVarSlice(prevOutScript)
+ writeUInt64(value)
+ writeUInt32(input.sequence)
+ writeSlice(hashOutputs)
+ writeUInt32(this.locktime)
+ writeUInt32(hashType)
+ return bcrypto.hash256(tbuffer)
}
-Point.prototype.toString = function () {
- if (this.curve.isInfinity(this)) return '(INFINITY)'
+Transaction.prototype.getHash = function () {
+ return bcrypto.hash256(this.__toBuffer(undefined, undefined, false))
+}
- return '(' + this.affineX.toString() + ',' + this.affineY.toString() + ')'
+Transaction.prototype.getId = function () {
+ // transaction hash's are displayed in reverse order
+ return this.getHash().reverse().toString('hex')
}
-module.exports = Point
+Transaction.prototype.toBuffer = function (buffer, initialOffset) {
+ return this.__toBuffer(buffer, initialOffset, true)
+}
-}).call(this,require("buffer").Buffer)
-},{"assert":5,"bigi":3,"buffer":7}],52:[function(require,module,exports){
-(function (process,global,Buffer){
-'use strict';
+Transaction.prototype.__toBuffer = function (buffer, initialOffset, __allowWitness) {
+ if (!buffer) buffer = Buffer.allocUnsafe(this.__byteLength(__allowWitness))
-var crypto = global.crypto || global.msCrypto
-if(crypto && crypto.getRandomValues) {
- module.exports = randomBytes;
-} else {
- module.exports = oldBrowser;
-}
-function randomBytes(size, cb) {
- var bytes = new Buffer(size); //in browserify, this is an extended Uint8Array
- /* This will not work in older browsers.
- * See https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues
- */
+ var offset = initialOffset || 0
+ function writeSlice (slice) { offset += slice.copy(buffer, offset) }
+ function writeUInt8 (i) { offset = buffer.writeUInt8(i, offset) }
+ function writeUInt32 (i) { offset = buffer.writeUInt32LE(i, offset) }
+ function writeInt32 (i) { offset = buffer.writeInt32LE(i, offset) }
+ function writeUInt64 (i) { offset = bufferutils.writeUInt64LE(buffer, i, offset) }
+ function writeVarInt (i) {
+ varuint.encode(i, buffer, offset)
+ offset += varuint.encode.bytes
+ }
+ function writeVarSlice (slice) { writeVarInt(slice.length); writeSlice(slice) }
+ function writeVector (vector) { writeVarInt(vector.length); vector.forEach(writeVarSlice) }
- crypto.getRandomValues(bytes);
- if (typeof cb === 'function') {
- return process.nextTick(function () {
- cb(null, bytes);
- });
+ writeInt32(this.version)
+
+ var hasWitnesses = __allowWitness && this.hasWitnesses()
+
+ if (hasWitnesses) {
+ writeUInt8(Transaction.ADVANCED_TRANSACTION_MARKER)
+ writeUInt8(Transaction.ADVANCED_TRANSACTION_FLAG)
}
- return bytes;
-}
-function oldBrowser() {
- throw new Error(
- 'secure random number generation not supported by this browser\n'+
- 'use chrome, FireFox or Internet Explorer 11'
- )
-}
-}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer)
-},{"_process":14,"buffer":7}],53:[function(require,module,exports){
-(function (Buffer){
-'use strict';
+ writeVarInt(this.ins.length)
-function getFunctionName(fn) {
- return fn.name || fn.toString().match(/function (.*?)\s*\(/)[1];
-}
+ this.ins.forEach(function (txIn) {
+ writeSlice(txIn.hash)
+ writeUInt32(txIn.index)
+ writeVarSlice(txIn.script)
+ writeUInt32(txIn.sequence)
+ })
-function getTypeTypeName(type) {
- if (nativeTypes.Function(type)) {
- type = type.toJSON ? type.toJSON() : getFunctionName(type);
+ writeVarInt(this.outs.length)
+ this.outs.forEach(function (txOut) {
+ if (!txOut.valueBuffer) {
+ writeUInt64(txOut.value)
+ } else {
+ writeSlice(txOut.valueBuffer)
+ }
+
+ writeVarSlice(txOut.script)
+ })
+
+ if (hasWitnesses) {
+ this.ins.forEach(function (input) {
+ writeVector(input.witness)
+ })
}
- if (nativeTypes.Object(type)) return JSON.stringify(type);
- return type;
+ writeUInt32(this.locktime)
+
+ // avoid slicing unless necessary
+ if (initialOffset !== undefined) return buffer.slice(initialOffset, offset)
+ return buffer
+}
+
+Transaction.prototype.toHex = function () {
+ return this.toBuffer().toString('hex')
}
-function getValueTypeName(value) {
- if (nativeTypes.Null(value)) return '';
+Transaction.prototype.setInputScript = function (index, scriptSig) {
+ typeforce(types.tuple(types.Number, types.Buffer), arguments)
- return getFunctionName(value.constructor);
+ this.ins[index].script = scriptSig
}
-function tfErrorString(type, value) {
- var typeTypeName = getTypeTypeName(type);
- var valueTypeName = getValueTypeName(value);
+Transaction.prototype.setWitness = function (index, witness) {
+ typeforce(types.tuple(types.Number, [types.Buffer]), arguments)
- return 'Expected ' + typeTypeName + ', got ' + (valueTypeName && valueTypeName + ' ') + JSON.stringify(value);
+ this.ins[index].witness = witness
}
-function tfPropertyErrorString(type, name, value) {
- return tfErrorString('property \"' + name + '\" of type ' + getTypeTypeName(type), value);
+module.exports = Transaction
+
+},{"./bufferutils":44,"./crypto":45,"./script":52,"./types":78,"bitcoin-ops":40,"safe-buffer":98,"typeforce":109,"varuint-bitcoin":111}],77:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var baddress = require('./address')
+var bcrypto = require('./crypto')
+var bscript = require('./script')
+var networks = require('./networks')
+var ops = require('bitcoin-ops')
+var typeforce = require('typeforce')
+var types = require('./types')
+var scriptTypes = bscript.types
+var SIGNABLE = [bscript.types.P2PKH, bscript.types.P2PK, bscript.types.MULTISIG]
+var P2SH = SIGNABLE.concat([bscript.types.P2WPKH, bscript.types.P2WSH])
+
+var ECPair = require('./ecpair')
+var ECSignature = require('./ecsignature')
+var Transaction = require('./transaction')
+
+function extractChunks (type, chunks, script) {
+ var pubKeys = []
+ var signatures = []
+ switch (type) {
+ case scriptTypes.P2PKH:
+ // if (redeemScript) throw new Error('Nonstandard... P2SH(P2PKH)')
+ pubKeys = chunks.slice(1)
+ signatures = chunks.slice(0, 1)
+ break
+
+ case scriptTypes.P2PK:
+ pubKeys[0] = script ? bscript.pubKey.output.decode(script) : undefined
+ signatures = chunks.slice(0, 1)
+ break
+
+ case scriptTypes.MULTISIG:
+ if (script) {
+ var multisig = bscript.multisig.output.decode(script)
+ pubKeys = multisig.pubKeys
+ }
+
+ signatures = chunks.slice(1).map(function (chunk) {
+ return chunk.length === 0 ? undefined : chunk
+ })
+ break
+ }
+
+ return {
+ pubKeys: pubKeys,
+ signatures: signatures
+ }
}
+function expandInput (scriptSig, witnessStack) {
+ if (scriptSig.length === 0 && witnessStack.length === 0) return {}
-var nativeTypes = {
- Array: (function (_Array) {
- function Array(_x) {
- return _Array.apply(this, arguments);
+ var prevOutScript
+ var prevOutType
+ var scriptType
+ var script
+ var redeemScript
+ var witnessScript
+ var witnessScriptType
+ var redeemScriptType
+ var witness = false
+ var p2wsh = false
+ var p2sh = false
+ var witnessProgram
+ var chunks
+
+ var scriptSigChunks = bscript.decompile(scriptSig)
+ var sigType = bscript.classifyInput(scriptSigChunks, true)
+ if (sigType === scriptTypes.P2SH) {
+ p2sh = true
+ redeemScript = scriptSigChunks[scriptSigChunks.length - 1]
+ redeemScriptType = bscript.classifyOutput(redeemScript)
+ prevOutScript = bscript.scriptHash.output.encode(bcrypto.hash160(redeemScript))
+ prevOutType = scriptTypes.P2SH
+ script = redeemScript
+ }
+
+ var classifyWitness = bscript.classifyWitness(witnessStack)
+ if (classifyWitness === scriptTypes.P2WSH) {
+ witnessScript = witnessStack[witnessStack.length - 1]
+ witnessScriptType = bscript.classifyOutput(witnessScript)
+ p2wsh = true
+ if (scriptSig.length === 0) {
+ prevOutScript = bscript.witnessScriptHash.output.encode(bcrypto.sha256(witnessScript))
+ prevOutType = scriptTypes.P2WSH
+ if (typeof redeemScript !== 'undefined') {
+ throw new Error('Redeem script given when unnecessary')
+ }
+ // bare witness
+ } else {
+ if (!redeemScript) {
+ throw new Error('No redeemScript provided for P2WSH, but scriptSig non-empty')
+ }
+ witnessProgram = bscript.witnessScriptHash.output.encode(bcrypto.sha256(witnessScript))
+ if (!redeemScript.equals(witnessProgram)) {
+ throw new Error('Redeem script didn\'t match witnessScript')
+ }
}
- Array.toString = function () {
- return _Array.toString();
- };
+ if (SIGNABLE.indexOf(bscript.classifyOutput(witnessScript)) === -1) {
+ throw new Error('unsupported witness script')
+ }
+ script = witnessScript
+ scriptType = witnessScriptType
+ chunks = witnessStack.slice(0, -1)
+ } else if (classifyWitness === scriptTypes.P2WPKH) {
+ var key = witnessStack[witnessStack.length - 1]
+ var keyHash = bcrypto.hash160(key)
+ if (scriptSig.length === 0) {
+ prevOutScript = bscript.witnessPubKeyHash.output.encode(keyHash)
+ prevOutType = scriptTypes.P2WPKH
+ if (typeof redeemScript !== 'undefined') {
+ throw new Error('Redeem script given when unnecessary')
+ }
+ } else {
+ if (!redeemScript) {
+ throw new Error('No redeemScript provided for P2WPKH, but scriptSig wasn\'t empty')
+ }
+ witnessProgram = bscript.witnessPubKeyHash.output.encode(keyHash)
+ if (!redeemScript.equals(witnessProgram)) {
+ throw new Error('Redeem script did not have the right witness program')
+ }
+ }
- return Array;
- })(function (value) {
- return value !== null && value !== undefined && value.constructor === Array;
- }),
- Boolean: function Boolean(value) {
- return typeof value === 'boolean';
- },
- Buffer: (function (_Buffer) {
- function Buffer(_x2) {
- return _Buffer.apply(this, arguments);
+ scriptType = scriptTypes.P2PKH
+ chunks = witnessStack
+ } else if (redeemScript) {
+ if (P2SH.indexOf(redeemScriptType) === -1) {
+ throw new Error('Bad redeemscript!')
}
- Buffer.toString = function () {
- return _Buffer.toString();
- };
+ script = redeemScript
+ scriptType = redeemScriptType
+ chunks = scriptSigChunks.slice(0, -1)
+ } else {
+ prevOutType = scriptType = bscript.classifyInput(scriptSig)
+ chunks = scriptSigChunks
+ }
- return Buffer;
- })(function (value) {
- return Buffer.isBuffer(value);
- }),
- Function: function Function(value) {
- return typeof value === 'function';
- },
- Null: function Null(value) {
- return value === undefined || value === null;
- },
- Number: function Number(value) {
- return typeof value === 'number';
- },
- Object: function Object(value) {
- return typeof value === 'object';
- },
- String: function String(value) {
- return typeof value === 'string';
- },
- '': function _() {
- return true;
+ var expanded = extractChunks(scriptType, chunks, script)
+
+ var result = {
+ pubKeys: expanded.pubKeys,
+ signatures: expanded.signatures,
+ prevOutScript: prevOutScript,
+ prevOutType: prevOutType,
+ signType: scriptType,
+ signScript: script,
+ witness: Boolean(witness)
}
-};
-function tJSON(type) {
- return type && type.toJSON ? type.toJSON() : type;
-}
+ if (p2sh) {
+ result.redeemScript = redeemScript
+ result.redeemScriptType = redeemScriptType
+ }
+
+ if (p2wsh) {
+ result.witnessScript = witnessScript
+ result.witnessScriptType = witnessScriptType
+ }
-function sJSON(type) {
- var json = tJSON(type);
- return nativeTypes.Object(json) ? JSON.stringify(json) : json;
+ return result
}
-var otherTypes = {
- arrayOf: function arrayOf(type) {
- function arrayOf(value, strict) {
- try {
- return nativeTypes.Array(value) && value.every(function (x) {
- return typeforce(type, x, strict);
- });
- } catch (e) {
- return false;
- }
- }
- arrayOf.toJSON = function () {
- return [tJSON(type)];
- };
+// could be done in expandInput, but requires the original Transaction for hashForSignature
+function fixMultisigOrder (input, transaction, vin) {
+ if (input.redeemScriptType !== scriptTypes.MULTISIG || !input.redeemScript) return
+ if (input.pubKeys.length === input.signatures.length) return
- return arrayOf;
- },
+ var unmatched = input.signatures.concat()
- maybe: function maybe(type) {
- function maybe(value, strict) {
- return nativeTypes.Null(value) || typeforce(type, value, strict);
- }
- maybe.toJSON = function () {
- return '?' + sJSON(type);
- };
+ input.signatures = input.pubKeys.map(function (pubKey) {
+ var keyPair = ECPair.fromPublicKeyBuffer(pubKey)
+ var match
- return maybe;
- },
+ // check for a signature
+ unmatched.some(function (signature, i) {
+ // skip if undefined || OP_0
+ if (!signature) return false
- object: function object(type) {
- function object(value, strict) {
- typeforce(nativeTypes.Object, value, strict);
+ // TODO: avoid O(n) hashForSignature
+ var parsed = ECSignature.parseScriptSignature(signature)
+ var hash = transaction.hashForSignature(vin, input.redeemScript, parsed.hashType)
- var propertyName, propertyType, propertyValue;
+ // skip if signature does not match pubKey
+ if (!keyPair.verify(hash, parsed.signature)) return false
- try {
- for (propertyName in type) {
- propertyType = type[propertyName];
- propertyValue = value[propertyName];
+ // remove matched signature from unmatched
+ unmatched[i] = undefined
+ match = signature
- typeforce(propertyType, propertyValue, strict);
- }
- } catch (e) {
- throw new TypeError(tfPropertyErrorString(propertyType, propertyName, propertyValue));
- }
+ return true
+ })
- if (strict) {
- for (propertyName in value) {
- if (type[propertyName]) continue;
+ return match
+ })
+}
- throw new TypeError('Unexpected property "' + propertyName + '"');
- }
- }
+function expandOutput (script, scriptType, ourPubKey) {
+ typeforce(types.Buffer, script)
- return true;
- }
- object.toJSON = function () {
- return type;
- };
+ var scriptChunks = bscript.decompile(script)
+ if (!scriptType) {
+ scriptType = bscript.classifyOutput(script)
+ }
- return object;
- },
+ var pubKeys = []
- oneOf: function oneOf() {
- for (var _len = arguments.length, types = Array(_len), _key = 0; _key < _len; _key++) {
- types[_key] = arguments[_key];
- }
+ switch (scriptType) {
+ // does our hash160(pubKey) match the output scripts?
+ case scriptTypes.P2PKH:
+ if (!ourPubKey) break
- function oneOf(value, strict) {
- return types.some(function (type) {
- try {
- return typeforce(type, value, strict);
- } catch (e) {
- return false;
- }
- });
- }
- oneOf.toJSON = function () {
- return types.map(sJSON).join('|');
- };
+ var pkh1 = scriptChunks[2]
+ var pkh2 = bcrypto.hash160(ourPubKey)
+ if (pkh1.equals(pkh2)) pubKeys = [ourPubKey]
+ break
- return oneOf;
- },
+ // does our hash160(pubKey) match the output scripts?
+ case scriptTypes.P2WPKH:
+ if (!ourPubKey) break
- quacksLike: function quacksLike(type) {
- function quacksLike(value, strict) {
- return type === getValueTypeName(value);
- }
- quacksLike.toJSON = function () {
- return type;
- };
+ var wpkh1 = scriptChunks[1]
+ var wpkh2 = bcrypto.hash160(ourPubKey)
+ if (wpkh1.equals(wpkh2)) pubKeys = [ourPubKey]
+ break
- return quacksLike;
- },
+ case scriptTypes.P2PK:
+ pubKeys = scriptChunks.slice(0, 1)
+ break
- tuple: function tuple() {
- for (var _len2 = arguments.length, types = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
- types[_key2] = arguments[_key2];
- }
+ case scriptTypes.MULTISIG:
+ pubKeys = scriptChunks.slice(1, -2)
+ break
- function tuple(value, strict) {
- return types.every(function (type, i) {
- return typeforce(type, value[i], strict);
- });
- }
- tuple.toJSON = function () {
- return '(' + types.map(sJSON).join(', ') + ')';
- };
+ default: return { scriptType: scriptType }
+ }
- return tuple;
- },
+ return {
+ pubKeys: pubKeys,
+ scriptType: scriptType,
+ signatures: pubKeys.map(function () { return undefined })
+ }
+}
- value: function value(expected) {
- function value(actual) {
- return actual === expected;
- }
- value.toJSON = function () {
- return expected;
- };
+function checkP2shInput (input, redeemScriptHash) {
+ if (input.prevOutType) {
+ if (input.prevOutType !== scriptTypes.P2SH) throw new Error('PrevOutScript must be P2SH')
- return value;
+ var prevOutScriptScriptHash = bscript.decompile(input.prevOutScript)[1]
+ if (!prevOutScriptScriptHash.equals(redeemScriptHash)) throw new Error('Inconsistent hash160(RedeemScript)')
}
-};
+}
-function compile(type) {
- if (nativeTypes.String(type)) {
- if (type[0] === '?') return otherTypes.maybe(compile(type.slice(1)));
+function checkP2WSHInput (input, witnessScriptHash) {
+ if (input.prevOutType) {
+ if (input.prevOutType !== scriptTypes.P2WSH) throw new Error('PrevOutScript must be P2WSH')
- return nativeTypes[type] || otherTypes.quacksLike(type);
- } else if (type && nativeTypes.Object(type)) {
- if (nativeTypes.Array(type)) return otherTypes.arrayOf(compile(type[0]));
+ var scriptHash = bscript.decompile(input.prevOutScript)[1]
+ if (!scriptHash.equals(witnessScriptHash)) throw new Error('Inconsistent sha25(WitnessScript)')
+ }
+}
- var compiled = {};
+function prepareInput (input, kpPubKey, redeemScript, witnessValue, witnessScript) {
+ var expanded
+ var prevOutType
+ var prevOutScript
- for (var propertyName in type) {
- compiled[propertyName] = compile(type[propertyName]);
- }
+ var p2sh = false
+ var p2shType
+ var redeemScriptHash
+
+ var witness = false
+ var p2wsh = false
+ var witnessType
+ var witnessScriptHash
+
+ var signType
+ var signScript
+
+ if (redeemScript && witnessScript) {
+ redeemScriptHash = bcrypto.hash160(redeemScript)
+ witnessScriptHash = bcrypto.sha256(witnessScript)
+ checkP2shInput(input, redeemScriptHash)
+
+ if (!redeemScript.equals(bscript.witnessScriptHash.output.encode(witnessScriptHash))) throw new Error('Witness script inconsistent with redeem script')
+
+ expanded = expandOutput(witnessScript, undefined, kpPubKey)
+ if (!expanded.pubKeys) throw new Error('WitnessScript not supported "' + bscript.toASM(redeemScript) + '"')
+ prevOutType = bscript.types.P2SH
+ prevOutScript = bscript.scriptHash.output.encode(redeemScriptHash)
+ p2sh = witness = p2wsh = true
+ p2shType = bscript.types.P2WSH
+ signType = witnessType = expanded.scriptType
+ signScript = witnessScript
+ } else if (redeemScript) {
+ redeemScriptHash = bcrypto.hash160(redeemScript)
+ checkP2shInput(input, redeemScriptHash)
+
+ expanded = expandOutput(redeemScript, undefined, kpPubKey)
+ if (!expanded.pubKeys) throw new Error('RedeemScript not supported "' + bscript.toASM(redeemScript) + '"')
+
+ prevOutType = bscript.types.P2SH
+ prevOutScript = bscript.scriptHash.output.encode(redeemScriptHash)
+ p2sh = true
+ signType = p2shType = expanded.scriptType
+ signScript = redeemScript
+ witness = signType === bscript.types.P2WPKH
+ } else if (witnessScript) {
+ witnessScriptHash = bcrypto.sha256(witnessScript)
+ checkP2WSHInput(input, witnessScriptHash)
+
+ expanded = expandOutput(witnessScript, undefined, kpPubKey)
+ if (!expanded.pubKeys) throw new Error('WitnessScript not supported "' + bscript.toASM(redeemScript) + '"')
+
+ prevOutType = bscript.types.P2WSH
+ prevOutScript = bscript.witnessScriptHash.output.encode(witnessScriptHash)
+ witness = p2wsh = true
+ signType = witnessType = expanded.scriptType
+ signScript = witnessScript
+ } else if (input.prevOutType) {
+ // embedded scripts are not possible without a redeemScript
+ if (input.prevOutType === scriptTypes.P2SH ||
+ input.prevOutType === scriptTypes.P2WSH) {
+ throw new Error('PrevOutScript is ' + input.prevOutType + ', requires redeemScript')
+ }
+
+ prevOutType = input.prevOutType
+ prevOutScript = input.prevOutScript
+ expanded = expandOutput(input.prevOutScript, input.prevOutType, kpPubKey)
+ if (!expanded.pubKeys) return
+
+ witness = (input.prevOutType === scriptTypes.P2WPKH)
+ signType = prevOutType
+ signScript = prevOutScript
+ } else {
+ prevOutScript = bscript.pubKeyHash.output.encode(bcrypto.hash160(kpPubKey))
+ expanded = expandOutput(prevOutScript, scriptTypes.P2PKH, kpPubKey)
+ prevOutType = scriptTypes.P2PKH
+ witness = false
+ signType = prevOutType
+ signScript = prevOutScript
+ }
+
+ if (witness && !types.Satoshi(witnessValue)) {
+ throw new Error('Input was witness but not given witness value')
+ }
+
+ if (signType === scriptTypes.P2WPKH) {
+ signScript = bscript.pubKeyHash.output.encode(bscript.witnessPubKeyHash.output.decode(signScript))
+ }
+
+ if (p2sh) {
+ input.redeemScript = redeemScript
+ input.redeemScriptType = p2shType
+ }
- return otherTypes.object(compiled);
- } else if (nativeTypes.Function(type)) {
- return type;
+ if (p2wsh) {
+ input.witnessScript = witnessScript
+ input.witnessScriptType = witnessType
}
- return otherTypes.value(type);
+ input.pubKeys = expanded.pubKeys
+ input.signatures = expanded.signatures
+ input.signScript = signScript
+ input.signType = signType
+ input.prevOutScript = prevOutScript
+ input.prevOutType = prevOutType
+ input.witness = witness
}
-function typeforce(_x3, _x4, _x5) {
- var _again = true;
+function buildStack (type, signatures, pubKeys, allowIncomplete) {
+ if (type === scriptTypes.P2PKH) {
+ if (signatures.length === 1 && Buffer.isBuffer(signatures[0]) && pubKeys.length === 1) return bscript.pubKeyHash.input.encodeStack(signatures[0], pubKeys[0])
+ } else if (type === scriptTypes.P2PK) {
+ if (signatures.length === 1 && Buffer.isBuffer(signatures[0])) return bscript.pubKey.input.encodeStack(signatures[0])
+ } else if (type === scriptTypes.MULTISIG) {
+ if (signatures.length > 0) {
+ signatures = signatures.map(function (signature) {
+ return signature || ops.OP_0
+ })
+ if (!allowIncomplete) {
+ // remove blank signatures
+ signatures = signatures.filter(function (x) { return x !== ops.OP_0 })
+ }
+
+ return bscript.multisig.input.encodeStack(signatures /* see if it's necessary first */)
+ }
+ } else {
+ throw new Error('Not yet supported')
+ }
+
+ if (!allowIncomplete) throw new Error('Not enough signatures provided')
+
+ return []
+}
- _function: while (_again) {
- var type = _x3,
- value = _x4,
- strict = _x5;
- _again = false;
+function buildInput (input, allowIncomplete) {
+ var scriptType = input.prevOutType
+ var sig = []
+ var witness = []
+ if (SIGNABLE.indexOf(scriptType) !== -1) {
+ sig = buildStack(scriptType, input.signatures, input.pubKeys, allowIncomplete)
+ }
- if (nativeTypes.Function(type)) {
- if (type(value, strict)) return true;
+ var p2sh = false
+ if (scriptType === bscript.types.P2SH) {
+ // We can remove this error later when we have a guarantee prepareInput
+ // rejects unsignable scripts - it MUST be signable at this point.
+ if (P2SH.indexOf(input.redeemScriptType) === -1) {
+ throw new Error('Impossible to sign this type')
+ }
+ p2sh = true
+ if (SIGNABLE.indexOf(input.redeemScriptType) !== -1) {
+ sig = buildStack(input.redeemScriptType, input.signatures, input.pubKeys, allowIncomplete)
+ }
+ // If it wasn't SIGNABLE, it's witness, defer to that
+ scriptType = input.redeemScriptType
+ }
- throw new TypeError(tfErrorString(type, value));
+ if (scriptType === bscript.types.P2WPKH) {
+ // P2WPKH is a special case of P2PKH
+ witness = buildStack(bscript.types.P2PKH, input.signatures, input.pubKeys, allowIncomplete)
+ } else if (scriptType === bscript.types.P2WSH) {
+ // We can remove this check later
+ if (SIGNABLE.indexOf(input.witnessScriptType) !== -1) {
+ witness = buildStack(input.witnessScriptType, input.signatures, input.pubKeys, allowIncomplete)
+ witness.push(input.witnessScript)
+ } else {
+ // We can remove this error later when we have a guarantee prepareInput
+ // rejects unsignble scripts - it MUST be signable at this point.
+ throw new Error()
}
- // JIT
- _x3 = compile(type);
- _x4 = value;
- _x5 = strict;
- _again = true;
- continue _function;
+ scriptType = input.witnessScriptType
+ }
+
+ // append redeemScript if necessary
+ if (p2sh) {
+ sig.push(input.redeemScript)
+ }
+
+ return {
+ type: scriptType,
+ script: bscript.compile(sig),
+ witness: witness
}
}
-// assign all types to typeforce function
-var typeName;
-Object.keys(nativeTypes).forEach(function (typeName) {
- var nativeType = nativeTypes[typeName];
- nativeType.toJSON = function () {
- return typeName;
- };
+function TransactionBuilder (network, maximumFeeRate) {
+ this.prevTxMap = {}
+ this.network = network || networks.bitcoin
- typeforce[typeName] = nativeType;
-});
+ // WARNING: This is __NOT__ to be relied on, its just another potential safety mechanism (safety in-depth)
+ this.maximumFeeRate = maximumFeeRate || 1000
-for (typeName in otherTypes) {
- typeforce[typeName] = otherTypes[typeName];
+ this.inputs = []
+ this.tx = new Transaction()
}
-module.exports = typeforce;
-module.exports.compile = compile;
-}).call(this,require("buffer").Buffer)
-},{"buffer":7}],54:[function(require,module,exports){
-(function (Buffer){
-var assert = require('assert')
-var base58check = require('bs58check')
-var typeForce = require('typeforce')
-var networks = require('./networks')
-var scripts = require('./scripts')
+TransactionBuilder.prototype.setLockTime = function (locktime) {
+ typeforce(types.UInt32, locktime)
-function findScriptTypeByVersion (version) {
- for (var networkName in networks) {
- var network = networks[networkName]
+ // if any signatures exist, throw
+ if (this.inputs.some(function (input) {
+ if (!input.signatures) return false
- if (version === network.pubKeyHash) return 'pubkeyhash'
- if (version === network.scriptHash) return 'scripthash'
+ return input.signatures.some(function (s) { return s })
+ })) {
+ throw new Error('No, this would invalidate signatures')
}
-}
-function Address (hash, version) {
- typeForce('Buffer', hash)
+ this.tx.locktime = locktime
+}
- assert.strictEqual(hash.length, 20, 'Invalid hash length')
- assert.strictEqual(version & 0xff, version, 'Invalid version byte')
+TransactionBuilder.prototype.setVersion = function (version) {
+ typeforce(types.UInt32, version)
- this.hash = hash
- this.version = version
+ // XXX: this might eventually become more complex depending on what the versions represent
+ this.tx.version = version
}
-Address.fromBase58Check = function (string) {
- var payload = base58check.decode(string)
- var version = payload.readUInt8(0)
- var hash = payload.slice(1)
+TransactionBuilder.fromTransaction = function (transaction, network) {
+ var txb = new TransactionBuilder(network)
- return new Address(hash, version)
-}
+ // Copy transaction fields
+ txb.setVersion(transaction.version)
+ txb.setLockTime(transaction.locktime)
-Address.fromOutputScript = function (script, network) {
- network = network || networks.bitcoin
+ // Copy outputs (done first to avoid signature invalidation)
+ transaction.outs.forEach(function (txOut) {
+ txb.addOutput(txOut.script, txOut.value)
+ })
+
+ // Copy inputs
+ transaction.ins.forEach(function (txIn) {
+ txb.__addInputUnsafe(txIn.hash, txIn.index, {
+ sequence: txIn.sequence,
+ script: txIn.script,
+ witness: txIn.witness
+ })
+ })
- if (scripts.isPubKeyHashOutput(script)) return new Address(script.chunks[2], network.pubKeyHash)
- if (scripts.isScriptHashOutput(script)) return new Address(script.chunks[1], network.scriptHash)
+ // fix some things not possible through the public API
+ txb.inputs.forEach(function (input, i) {
+ fixMultisigOrder(input, transaction, i)
+ })
- assert(false, script.toASM() + ' has no matching Address')
+ return txb
}
-Address.prototype.toBase58Check = function () {
- var payload = new Buffer(21)
- payload.writeUInt8(this.version, 0)
- this.hash.copy(payload, 1)
+TransactionBuilder.prototype.addInput = function (txHash, vout, sequence, prevOutScript) {
+ if (!this.__canModifyInputs()) {
+ throw new Error('No, this would invalidate signatures')
+ }
- return base58check.encode(payload)
-}
+ var value
-Address.prototype.toOutputScript = function () {
- var scriptType = findScriptTypeByVersion(this.version)
+ // is it a hex string?
+ if (typeof txHash === 'string') {
+ // transaction hashs's are displayed in reverse order, un-reverse it
+ txHash = Buffer.from(txHash, 'hex').reverse()
- if (scriptType === 'pubkeyhash') return scripts.pubKeyHashOutput(this.hash)
- if (scriptType === 'scripthash') return scripts.scriptHashOutput(this.hash)
+ // is it a Transaction object?
+ } else if (txHash instanceof Transaction) {
+ var txOut = txHash.outs[vout]
+ prevOutScript = txOut.script
+ value = txOut.value
+
+ txHash = txHash.getHash()
+ }
- assert(false, this.toString() + ' has no matching Script')
+ return this.__addInputUnsafe(txHash, vout, {
+ sequence: sequence,
+ prevOutScript: prevOutScript,
+ value: value
+ })
}
-Address.prototype.toString = Address.prototype.toBase58Check
+TransactionBuilder.prototype.__addInputUnsafe = function (txHash, vout, options) {
+ if (Transaction.isCoinbaseHash(txHash)) {
+ throw new Error('coinbase inputs not supported')
+ }
-module.exports = Address
+ var prevTxOut = txHash.toString('hex') + ':' + vout
+ if (this.prevTxMap[prevTxOut] !== undefined) throw new Error('Duplicate TxOut: ' + prevTxOut)
-}).call(this,require("buffer").Buffer)
-},{"./networks":66,"./scripts":69,"assert":5,"bs58check":31,"buffer":7,"typeforce":53}],55:[function(require,module,exports){
-var bs58check = require('bs58check')
+ var input = {}
-function decode () {
- console.warn('bs58check will be removed in 2.0.0. require("bs58check") instead.')
+ // derive what we can from the scriptSig
+ if (options.script !== undefined) {
+ input = expandInput(options.script, options.witness || [])
+ }
- return bs58check.decode.apply(undefined, arguments)
-}
+ // if an input value was given, retain it
+ if (options.value !== undefined) {
+ input.value = options.value
+ }
-function encode () {
- console.warn('bs58check will be removed in 2.0.0. require("bs58check") instead.')
+ // derive what we can from the previous transactions output script
+ if (!input.prevOutScript && options.prevOutScript) {
+ var prevOutType
- return bs58check.encode.apply(undefined, arguments)
-}
+ if (!input.pubKeys && !input.signatures) {
+ var expanded = expandOutput(options.prevOutScript)
-module.exports = {
- decode: decode,
- encode: encode
-}
+ if (expanded.pubKeys) {
+ input.pubKeys = expanded.pubKeys
+ input.signatures = expanded.signatures
+ }
-},{"bs58check":31}],56:[function(require,module,exports){
-(function (Buffer){
-var assert = require('assert')
-var bufferutils = require('./bufferutils')
-var crypto = require('./crypto')
+ prevOutType = expanded.scriptType
+ }
-var Transaction = require('./transaction')
+ input.prevOutScript = options.prevOutScript
+ input.prevOutType = prevOutType || bscript.classifyOutput(options.prevOutScript)
+ }
-function Block () {
- this.version = 1
- this.prevHash = null
- this.merkleRoot = null
- this.timestamp = 0
- this.bits = 0
- this.nonce = 0
-}
+ var vin = this.tx.addInput(txHash, vout, options.sequence, options.scriptSig)
+ this.inputs[vin] = input
+ this.prevTxMap[prevTxOut] = vin
-Block.fromBuffer = function (buffer) {
- assert(buffer.length >= 80, 'Buffer too small (< 80 bytes)')
+ return vin
+}
- var offset = 0
- function readSlice (n) {
- offset += n
- return buffer.slice(offset - n, offset)
+TransactionBuilder.prototype.addOutput = function (scriptPubKey, value) {
+ if (!this.__canModifyOutputs()) {
+ throw new Error('No, this would invalidate signatures')
}
- function readUInt32 () {
- var i = buffer.readUInt32LE(offset)
- offset += 4
- return i
+ // Attempt to get a script if it's a base58 address string
+ if (typeof scriptPubKey === 'string') {
+ scriptPubKey = baddress.toOutputScript(scriptPubKey, this.network)
}
- var block = new Block()
- block.version = readUInt32()
- block.prevHash = readSlice(32)
- block.merkleRoot = readSlice(32)
- block.timestamp = readUInt32()
- block.bits = readUInt32()
- block.nonce = readUInt32()
+ return this.tx.addOutput(scriptPubKey, value)
+}
- if (buffer.length === 80) return block
+TransactionBuilder.prototype.build = function () {
+ return this.__build(false)
+}
+TransactionBuilder.prototype.buildIncomplete = function () {
+ return this.__build(true)
+}
- function readVarInt () {
- var vi = bufferutils.readVarInt(buffer, offset)
- offset += vi.size
- return vi.number
+TransactionBuilder.prototype.__build = function (allowIncomplete) {
+ if (!allowIncomplete) {
+ if (!this.tx.ins.length) throw new Error('Transaction has no inputs')
+ if (!this.tx.outs.length) throw new Error('Transaction has no outputs')
}
- // FIXME: poor performance
- function readTransaction () {
- var tx = Transaction.fromBuffer(buffer.slice(offset), true)
+ var tx = this.tx.clone()
+ // Create script signatures from inputs
+ this.inputs.forEach(function (input, i) {
+ var scriptType = input.witnessScriptType || input.redeemScriptType || input.prevOutType
+ if (!scriptType && !allowIncomplete) throw new Error('Transaction is not complete')
+ var result = buildInput(input, allowIncomplete)
- offset += tx.toBuffer().length
- return tx
- }
+ // skip if no result
+ if (!allowIncomplete) {
+ if (SIGNABLE.indexOf(result.type) === -1 && result.type !== bscript.types.P2WPKH) {
+ throw new Error(result.type + ' not supported')
+ }
+ }
- var nTransactions = readVarInt()
- block.transactions = []
+ tx.setInputScript(i, result.script)
+ tx.setWitness(i, result.witness)
+ })
- for (var i = 0; i < nTransactions; ++i) {
- var tx = readTransaction()
- block.transactions.push(tx)
+ if (!allowIncomplete) {
+ // do not rely on this, its merely a last resort
+ if (this.__overMaximumFees(tx.byteLength())) {
+ throw new Error('Transaction has absurd fees')
+ }
}
- return block
-}
-
-Block.fromHex = function (hex) {
- return Block.fromBuffer(new Buffer(hex, 'hex'))
-}
-
-Block.prototype.getHash = function () {
- return crypto.hash256(this.toBuffer(true))
+ return tx
}
-Block.prototype.getId = function () {
- return bufferutils.reverse(this.getHash()).toString('hex')
+function canSign (input) {
+ return input.prevOutScript !== undefined &&
+ input.signScript !== undefined &&
+ input.pubKeys !== undefined &&
+ input.signatures !== undefined &&
+ input.signatures.length === input.pubKeys.length &&
+ input.pubKeys.length > 0 &&
+ input.witness !== undefined
}
-Block.prototype.getUTCDate = function () {
- var date = new Date(0) // epoch
- date.setUTCSeconds(this.timestamp)
-
- return date
-}
+TransactionBuilder.prototype.sign = function (vin, keyPair, redeemScript, hashType, witnessValue, witnessScript) {
+ if (keyPair.network !== this.network) throw new Error('Inconsistent network')
+ if (!this.inputs[vin]) throw new Error('No input at index: ' + vin)
+ hashType = hashType || Transaction.SIGHASH_ALL
-Block.prototype.toBuffer = function (headersOnly) {
- var buffer = new Buffer(80)
+ var input = this.inputs[vin]
- var offset = 0
- function writeSlice (slice) {
- slice.copy(buffer, offset)
- offset += slice.length
+ // if redeemScript was previously provided, enforce consistency
+ if (input.redeemScript !== undefined &&
+ redeemScript &&
+ !input.redeemScript.equals(redeemScript)) {
+ throw new Error('Inconsistent redeemScript')
}
- function writeUInt32 (i) {
- buffer.writeUInt32LE(i, offset)
- offset += 4
+ var kpPubKey = keyPair.getPublicKeyBuffer()
+ if (!canSign(input)) {
+ prepareInput(input, kpPubKey, redeemScript, witnessValue, witnessScript)
+ if (!canSign(input)) throw Error(input.prevOutType + ' not supported')
}
- writeUInt32(this.version)
- writeSlice(this.prevHash)
- writeSlice(this.merkleRoot)
- writeUInt32(this.timestamp)
- writeUInt32(this.bits)
- writeUInt32(this.nonce)
-
- if (headersOnly || !this.transactions) return buffer
+ // ready to sign
+ var signatureHash
+ if (input.witness) {
+ signatureHash = this.tx.hashForWitnessV0(vin, input.signScript, witnessValue, hashType)
+ } else {
+ signatureHash = this.tx.hashForSignature(vin, input.signScript, hashType)
+ }
+ // enforce in order signing of public keys
+ var signed = input.pubKeys.some(function (pubKey, i) {
+ if (!kpPubKey.equals(pubKey)) return false
+ if (input.signatures[i]) throw new Error('Signature already exists')
- var txLenBuffer = bufferutils.varIntBuffer(this.transactions.length)
- var txBuffers = this.transactions.map(function (tx) {
- return tx.toBuffer()
+ input.signatures[i] = keyPair.sign(signatureHash).toScriptSignature(hashType)
+ return true
})
- return Buffer.concat([buffer, txLenBuffer].concat(txBuffers))
+ if (!signed) throw new Error('Key pair cannot sign for this input')
}
-Block.prototype.toHex = function (headersOnly) {
- return this.toBuffer(headersOnly).toString('hex')
+function signatureHashType (buffer) {
+ return buffer.readUInt8(buffer.length - 1)
}
-module.exports = Block
-
-}).call(this,require("buffer").Buffer)
-},{"./bufferutils":57,"./crypto":58,"./transaction":70,"assert":5,"buffer":7}],57:[function(require,module,exports){
-(function (Buffer){
-var assert = require('assert')
-var opcodes = require('./opcodes')
+TransactionBuilder.prototype.__canModifyInputs = function () {
+ return this.inputs.every(function (input) {
+ // any signatures?
+ if (input.signatures === undefined) return true
-// https://github.com/feross/buffer/blob/master/index.js#L1127
-function verifuint (value, max) {
- assert(typeof value === 'number', 'cannot write a non-number as a number')
- assert(value >= 0, 'specified a negative value for writing an unsigned value')
- assert(value <= max, 'value is larger than maximum value for type')
- assert(Math.floor(value) === value, 'value has a fractional component')
-}
+ return input.signatures.every(function (signature) {
+ if (!signature) return true
+ var hashType = signatureHashType(signature)
-function pushDataSize (i) {
- return i < opcodes.OP_PUSHDATA1 ? 1
- : i < 0xff ? 2
- : i < 0xffff ? 3
- : 5
+ // if SIGHASH_ANYONECANPAY is set, signatures would not
+ // be invalidated by more inputs
+ return hashType & Transaction.SIGHASH_ANYONECANPAY
+ })
+ })
}
-function readPushDataInt (buffer, offset) {
- var opcode = buffer.readUInt8(offset)
- var number, size
+TransactionBuilder.prototype.__canModifyOutputs = function () {
+ var nInputs = this.tx.ins.length
+ var nOutputs = this.tx.outs.length
- // ~6 bit
- if (opcode < opcodes.OP_PUSHDATA1) {
- number = opcode
- size = 1
+ return this.inputs.every(function (input) {
+ if (input.signatures === undefined) return true
- // 8 bit
- } else if (opcode === opcodes.OP_PUSHDATA1) {
- if (offset + 2 > buffer.length) return null
- number = buffer.readUInt8(offset + 1)
- size = 2
+ return input.signatures.every(function (signature) {
+ if (!signature) return true
+ var hashType = signatureHashType(signature)
- // 16 bit
- } else if (opcode === opcodes.OP_PUSHDATA2) {
- if (offset + 3 > buffer.length) return null
- number = buffer.readUInt16LE(offset + 1)
- size = 3
+ var hashTypeMod = hashType & 0x1f
+ if (hashTypeMod === Transaction.SIGHASH_NONE) return true
+ if (hashTypeMod === Transaction.SIGHASH_SINGLE) {
+ // if SIGHASH_SINGLE is set, and nInputs > nOutputs
+ // some signatures would be invalidated by the addition
+ // of more outputs
+ return nInputs <= nOutputs
+ }
+ })
+ })
+}
- // 32 bit
- } else {
- if (offset + 5 > buffer.length) return null
- assert.equal(opcode, opcodes.OP_PUSHDATA4, 'Unexpected opcode')
+TransactionBuilder.prototype.__overMaximumFees = function (bytes) {
+ // not all inputs will have .value defined
+ var incoming = this.inputs.reduce(function (a, x) { return a + (x.value >>> 0) }, 0)
- number = buffer.readUInt32LE(offset + 1)
- size = 5
- }
+ // but all outputs do, and if we have any input value
+ // we can immediately determine if the outputs are too small
+ var outgoing = this.tx.outs.reduce(function (a, x) { return a + x.value }, 0)
+ var fee = incoming - outgoing
+ var feeRate = fee / bytes
- return {
- opcode: opcode,
- number: number,
- size: size
- }
+ return feeRate > this.maximumFeeRate
}
-function readUInt64LE (buffer, offset) {
- var a = buffer.readUInt32LE(offset)
- var b = buffer.readUInt32LE(offset + 4)
- b *= 0x100000000
+module.exports = TransactionBuilder
- verifuint(b + a, 0x001fffffffffffff)
+},{"./address":42,"./crypto":45,"./ecpair":47,"./ecsignature":48,"./networks":51,"./script":52,"./transaction":76,"./types":78,"bitcoin-ops":40,"safe-buffer":98,"typeforce":109}],78:[function(require,module,exports){
+var typeforce = require('typeforce')
- return b + a
+var UINT31_MAX = Math.pow(2, 31) - 1
+function UInt31 (value) {
+ return typeforce.UInt32(value) && value <= UINT31_MAX
}
-function readVarInt (buffer, offset) {
- var t = buffer.readUInt8(offset)
- var number, size
+function BIP32Path (value) {
+ return typeforce.String(value) && value.match(/^(m\/)?(\d+'?\/)*\d+'?$/)
+}
+BIP32Path.toJSON = function () { return 'BIP32 derivation path' }
- // 8 bit
- if (t < 253) {
- number = t
- size = 1
+var SATOSHI_MAX = 21 * 1e14
+function Satoshi (value) {
+ return typeforce.UInt53(value) && value <= SATOSHI_MAX
+}
- // 16 bit
- } else if (t < 254) {
- number = buffer.readUInt16LE(offset + 1)
- size = 3
+// external dependent types
+var BigInt = typeforce.quacksLike('BigInteger')
+var ECPoint = typeforce.quacksLike('Point')
- // 32 bit
- } else if (t < 255) {
- number = buffer.readUInt32LE(offset + 1)
- size = 5
+// exposed, external API
+var ECSignature = typeforce.compile({ r: BigInt, s: BigInt })
+var Network = typeforce.compile({
+ messagePrefix: typeforce.oneOf(typeforce.Buffer, typeforce.String),
+ bip32: {
+ public: typeforce.UInt32,
+ private: typeforce.UInt32
+ },
+ pubKeyHash: typeforce.UInt8,
+ scriptHash: typeforce.UInt8,
+ wif: typeforce.UInt8
+})
- // 64 bit
- } else {
- number = readUInt64LE(buffer, offset + 1)
- size = 9
- }
+// extend typeforce types with ours
+var types = {
+ BigInt: BigInt,
+ BIP32Path: BIP32Path,
+ Buffer256bit: typeforce.BufferN(32),
+ ECPoint: ECPoint,
+ ECSignature: ECSignature,
+ Hash160bit: typeforce.BufferN(20),
+ Hash256bit: typeforce.BufferN(32),
+ Network: Network,
+ Satoshi: Satoshi,
+ UInt31: UInt31
+}
- return {
- number: number,
- size: size
- }
+for (var typeName in typeforce) {
+ types[typeName] = typeforce[typeName]
}
-function writePushDataInt (buffer, number, offset) {
- var size = pushDataSize(number)
+module.exports = types
- // ~6 bit
- if (size === 1) {
- buffer.writeUInt8(number, offset)
+},{"typeforce":109}],79:[function(require,module,exports){
+var basex = require('base-x')
+var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
- // 8 bit
- } else if (size === 2) {
- buffer.writeUInt8(opcodes.OP_PUSHDATA1, offset)
- buffer.writeUInt8(number, offset + 1)
+module.exports = basex(ALPHABET)
- // 16 bit
- } else if (size === 3) {
- buffer.writeUInt8(opcodes.OP_PUSHDATA2, offset)
- buffer.writeUInt16LE(number, offset + 1)
+},{"base-x":34}],80:[function(require,module,exports){
+(function (Buffer){
+'use strict'
- // 32 bit
- } else {
- buffer.writeUInt8(opcodes.OP_PUSHDATA4, offset)
- buffer.writeUInt32LE(number, offset + 1)
- }
+var base58 = require('bs58')
+var createHash = require('create-hash')
- return size
+// SHA256(SHA256(buffer))
+function sha256x2 (buffer) {
+ var tmp = createHash('sha256').update(buffer).digest()
+ return createHash('sha256').update(tmp).digest()
}
-function writeUInt64LE (buffer, value, offset) {
- verifuint(value, 0x001fffffffffffff)
-
- buffer.writeInt32LE(value & -1, offset)
- buffer.writeUInt32LE(Math.floor(value / 0x100000000), offset + 4)
-}
+// Encode a buffer as a base58-check encoded string
+function encode (payload) {
+ var checksum = sha256x2(payload)
-function varIntSize (i) {
- return i < 253 ? 1
- : i < 0x10000 ? 3
- : i < 0x100000000 ? 5
- : 9
+ return base58.encode(Buffer.concat([
+ payload,
+ checksum
+ ], payload.length + 4))
}
-function writeVarInt (buffer, number, offset) {
- var size = varIntSize(number)
-
- // 8 bit
- if (size === 1) {
- buffer.writeUInt8(number, offset)
-
- // 16 bit
- } else if (size === 3) {
- buffer.writeUInt8(253, offset)
- buffer.writeUInt16LE(number, offset + 1)
-
- // 32 bit
- } else if (size === 5) {
- buffer.writeUInt8(254, offset)
- buffer.writeUInt32LE(number, offset + 1)
+function decodeRaw (buffer) {
+ var payload = buffer.slice(0, -4)
+ var checksum = buffer.slice(-4)
+ var newChecksum = sha256x2(payload)
- // 64 bit
- } else {
- buffer.writeUInt8(255, offset)
- writeUInt64LE(buffer, number, offset + 1)
- }
+ if (checksum[0] ^ newChecksum[0] |
+ checksum[1] ^ newChecksum[1] |
+ checksum[2] ^ newChecksum[2] |
+ checksum[3] ^ newChecksum[3]) return
- return size
+ return payload
}
-function varIntBuffer (i) {
- var size = varIntSize(i)
- var buffer = new Buffer(size)
- writeVarInt(buffer, i, 0)
+// Decode a base58-check encoded string to a buffer, no result if checksum is wrong
+function decodeUnsafe (string) {
+ var buffer = base58.decodeUnsafe(string)
+ if (!buffer) return
- return buffer
+ return decodeRaw(buffer)
}
-function reverse (buffer) {
- var buffer2 = new Buffer(buffer)
- Array.prototype.reverse.call(buffer2)
- return buffer2
+function decode (string) {
+ var buffer = base58.decode(string)
+ var payload = decodeRaw(buffer)
+ if (!payload) throw new Error('Invalid checksum')
+ return payload
}
module.exports = {
- pushDataSize: pushDataSize,
- readPushDataInt: readPushDataInt,
- readUInt64LE: readUInt64LE,
- readVarInt: readVarInt,
- reverse: reverse,
- varIntBuffer: varIntBuffer,
- varIntSize: varIntSize,
- writePushDataInt: writePushDataInt,
- writeUInt64LE: writeUInt64LE,
- writeVarInt: writeVarInt
+ encode: encode,
+ decode: decode,
+ decodeUnsafe: decodeUnsafe
}
}).call(this,require("buffer").Buffer)
-},{"./opcodes":67,"assert":5,"buffer":7}],58:[function(require,module,exports){
-var createHash = require('create-hash')
+},{"bs58":79,"buffer":4,"create-hash":82}],81:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var Transform = require('stream').Transform
+var StringDecoder = require('string_decoder').StringDecoder
+var inherits = require('inherits')
-function hash160 (buffer) {
- return ripemd160(sha256(buffer))
+function CipherBase (hashMode) {
+ Transform.call(this)
+ this.hashMode = typeof hashMode === 'string'
+ if (this.hashMode) {
+ this[hashMode] = this._finalOrDigest
+ } else {
+ this.final = this._finalOrDigest
+ }
+ if (this._final) {
+ this.__final = this._final
+ this._final = null
+ }
+ this._decoder = null
+ this._encoding = null
}
+inherits(CipherBase, Transform)
-function hash256 (buffer) {
- return sha256(sha256(buffer))
-}
+CipherBase.prototype.update = function (data, inputEnc, outputEnc) {
+ if (typeof data === 'string') {
+ data = Buffer.from(data, inputEnc)
+ }
-function ripemd160 (buffer) {
- return createHash('rmd160').update(buffer).digest()
-}
+ var outData = this._update(data)
+ if (this.hashMode) return this
-function sha1 (buffer) {
- return createHash('sha1').update(buffer).digest()
-}
+ if (outputEnc) {
+ outData = this._toString(outData, outputEnc)
+ }
-function sha256 (buffer) {
- return createHash('sha256').update(buffer).digest()
+ return outData
}
-// FIXME: Name not consistent with others
-var createHmac = require('create-hmac')
+CipherBase.prototype.setAutoPadding = function () {}
+CipherBase.prototype.getAuthTag = function () {
+ throw new Error('trying to get auth tag in unsupported state')
+}
-function HmacSHA256 (buffer, secret) {
- console.warn('Hmac* functions are deprecated for removal in 2.0.0, use node crypto instead')
- return createHmac('sha256', secret).update(buffer).digest()
+CipherBase.prototype.setAuthTag = function () {
+ throw new Error('trying to set auth tag in unsupported state')
}
-function HmacSHA512 (buffer, secret) {
- console.warn('Hmac* functions are deprecated for removal in 2.0.0, use node crypto instead')
- return createHmac('sha512', secret).update(buffer).digest()
+CipherBase.prototype.setAAD = function () {
+ throw new Error('trying to set aad in unsupported state')
}
-module.exports = {
- ripemd160: ripemd160,
- sha1: sha1,
- sha256: sha256,
- hash160: hash160,
- hash256: hash256,
- HmacSHA256: HmacSHA256,
- HmacSHA512: HmacSHA512
+CipherBase.prototype._transform = function (data, _, next) {
+ var err
+ try {
+ if (this.hashMode) {
+ this._update(data)
+ } else {
+ this.push(this._update(data))
+ }
+ } catch (e) {
+ err = e
+ } finally {
+ next(err)
+ }
}
+CipherBase.prototype._flush = function (done) {
+ var err
+ try {
+ this.push(this.__final())
+ } catch (e) {
+ err = e
+ }
-},{"create-hash":32,"create-hmac":45}],59:[function(require,module,exports){
-(function (Buffer){
-var assert = require('assert')
-var createHmac = require('create-hmac')
-var typeForce = require('typeforce')
+ done(err)
+}
+CipherBase.prototype._finalOrDigest = function (outputEnc) {
+ var outData = this.__final() || Buffer.alloc(0)
+ if (outputEnc) {
+ outData = this._toString(outData, outputEnc, true)
+ }
+ return outData
+}
-var BigInteger = require('bigi')
-var ECSignature = require('./ecsignature')
+CipherBase.prototype._toString = function (value, enc, fin) {
+ if (!this._decoder) {
+ this._decoder = new StringDecoder(enc)
+ this._encoding = enc
+ }
-var ZERO = new Buffer([0])
-var ONE = new Buffer([1])
+ if (this._encoding !== enc) throw new Error('can\'t switch encodings')
-// https://tools.ietf.org/html/rfc6979#section-3.2
-function deterministicGenerateK (curve, hash, d, checkSig) {
- typeForce('Buffer', hash)
- typeForce('BigInteger', d)
+ var out = this._decoder.write(value)
+ if (fin) {
+ out += this._decoder.end()
+ }
- // FIXME: remove/uncomment for 2.0.0
- // typeForce('Function', checkSig)
+ return out
+}
- if (typeof checkSig !== 'function') {
- console.warn('deterministicGenerateK requires a checkSig callback in 2.0.0, see #337 for more information')
+module.exports = CipherBase
- checkSig = function (k) {
- var G = curve.G
- var n = curve.n
- var e = BigInteger.fromBuffer(hash)
+},{"inherits":93,"safe-buffer":98,"stream":27,"string_decoder":28}],82:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var inherits = require('inherits')
+var md5 = require('./md5')
+var RIPEMD160 = require('ripemd160')
+var sha = require('sha.js')
- var Q = G.multiply(k)
+var Base = require('cipher-base')
- if (curve.isInfinity(Q))
- return false
+function HashNoConstructor (hash) {
+ Base.call(this, 'digest')
- var r = Q.affineX.mod(n)
- if (r.signum() === 0)
- return false
+ this._hash = hash
+ this.buffers = []
+}
- var s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n)
- if (s.signum() === 0)
- return false
+inherits(HashNoConstructor, Base)
- return true
- }
- }
+HashNoConstructor.prototype._update = function (data) {
+ this.buffers.push(data)
+}
- // sanity check
- assert.equal(hash.length, 32, 'Hash must be 256 bit')
+HashNoConstructor.prototype._final = function () {
+ var buf = Buffer.concat(this.buffers)
+ var r = this._hash(buf)
+ this.buffers = null
- var x = d.toBuffer(32)
- var k = new Buffer(32)
- var v = new Buffer(32)
+ return r
+}
- // Step A, ignored as hash already provided
- // Step B
- v.fill(1)
+function Hash (hash) {
+ Base.call(this, 'digest')
- // Step C
- k.fill(0)
+ this._hash = hash
+}
- // Step D
- k = createHmac('sha256', k)
- .update(v)
- .update(ZERO)
- .update(x)
- .update(hash)
- .digest()
+inherits(Hash, Base)
- // Step E
- v = createHmac('sha256', k).update(v).digest()
+Hash.prototype._update = function (data) {
+ this._hash.update(data)
+}
- // Step F
- k = createHmac('sha256', k)
- .update(v)
- .update(ONE)
- .update(x)
- .update(hash)
- .digest()
+Hash.prototype._final = function () {
+ return this._hash.digest()
+}
- // Step G
- v = createHmac('sha256', k).update(v).digest()
+module.exports = function createHash (alg) {
+ alg = alg.toLowerCase()
+ if (alg === 'md5') return new HashNoConstructor(md5)
+ if (alg === 'rmd160' || alg === 'ripemd160') return new Hash(new RIPEMD160())
- // Step H1/H2a, ignored as tlen === qlen (256 bit)
- // Step H2b
- v = createHmac('sha256', k).update(v).digest()
+ return new Hash(sha(alg))
+}
- var T = BigInteger.fromBuffer(v)
+}).call(this,require("buffer").Buffer)
+},{"./md5":84,"buffer":4,"cipher-base":81,"inherits":93,"ripemd160":97,"sha.js":100}],83:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var intSize = 4
+var zeroBuffer = new Buffer(intSize)
+zeroBuffer.fill(0)
- // Step H3, repeat until T is within the interval [1, n - 1] and is suitable for ECDSA
- while ((T.signum() <= 0) || (T.compareTo(curve.n) >= 0) || !checkSig(T)) {
- k = createHmac('sha256', k)
- .update(v)
- .update(ZERO)
- .digest()
+var charSize = 8
+var hashSize = 16
- v = createHmac('sha256', k).update(v).digest()
+function toArray (buf) {
+ if ((buf.length % intSize) !== 0) {
+ var len = buf.length + (intSize - (buf.length % intSize))
+ buf = Buffer.concat([buf, zeroBuffer], len)
+ }
- // Step H1/H2a, again, ignored as tlen === qlen (256 bit)
- // Step H2b again
- v = createHmac('sha256', k).update(v).digest()
- T = BigInteger.fromBuffer(v)
+ var arr = new Array(buf.length >>> 2)
+ for (var i = 0, j = 0; i < buf.length; i += intSize, j++) {
+ arr[j] = buf.readInt32LE(i)
}
- return T
+ return arr
}
-function sign (curve, hash, d) {
- var r, s
+module.exports = function hash (buf, fn) {
+ var arr = fn(toArray(buf), buf.length * charSize)
+ buf = new Buffer(hashSize)
+ for (var i = 0; i < arr.length; i++) {
+ buf.writeInt32LE(arr[i], i << 2, true)
+ }
+ return buf
+}
- var e = BigInteger.fromBuffer(hash)
- var n = curve.n
- var G = curve.G
+}).call(this,require("buffer").Buffer)
+},{"buffer":4}],84:[function(require,module,exports){
+'use strict'
+/*
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for more info.
+ */
- deterministicGenerateK(curve, hash, d, function (k) {
- var Q = G.multiply(k)
+var makeHash = require('./make-hash')
- if (curve.isInfinity(Q))
- return false
+/*
+ * Calculate the MD5 of an array of little-endian words, and a bit length
+ */
+function core_md5 (x, len) {
+ /* append padding */
+ x[len >> 5] |= 0x80 << ((len) % 32)
+ x[(((len + 64) >>> 9) << 4) + 14] = len
+
+ var a = 1732584193
+ var b = -271733879
+ var c = -1732584194
+ var d = 271733878
+
+ for (var i = 0; i < x.length; i += 16) {
+ var olda = a
+ var oldb = b
+ var oldc = c
+ var oldd = d
+
+ a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936)
+ d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586)
+ c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819)
+ b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330)
+ a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897)
+ d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426)
+ c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341)
+ b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983)
+ a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416)
+ d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417)
+ c = md5_ff(c, d, a, b, x[i + 10], 17, -42063)
+ b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162)
+ a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682)
+ d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101)
+ c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290)
+ b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329)
+
+ a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510)
+ d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632)
+ c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713)
+ b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302)
+ a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691)
+ d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083)
+ c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335)
+ b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848)
+ a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438)
+ d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690)
+ c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961)
+ b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501)
+ a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467)
+ d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784)
+ c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473)
+ b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734)
+
+ a = md5_hh(a, b, c, d, x[i + 5], 4, -378558)
+ d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463)
+ c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562)
+ b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556)
+ a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060)
+ d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353)
+ c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632)
+ b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640)
+ a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174)
+ d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222)
+ c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979)
+ b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189)
+ a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487)
+ d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835)
+ c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520)
+ b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651)
+
+ a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844)
+ d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415)
+ c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905)
+ b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055)
+ a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571)
+ d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606)
+ c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523)
+ b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799)
+ a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359)
+ d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744)
+ c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380)
+ b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649)
+ a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070)
+ d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379)
+ c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259)
+ b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551)
+
+ a = safe_add(a, olda)
+ b = safe_add(b, oldb)
+ c = safe_add(c, oldc)
+ d = safe_add(d, oldd)
+ }
+
+ return [a, b, c, d]
+}
- r = Q.affineX.mod(n)
- if (r.signum() === 0)
- return false
+/*
+ * These functions implement the four basic operations the algorithm uses.
+ */
+function md5_cmn (q, a, b, x, s, t) {
+ return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b)
+}
- s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n)
- if (s.signum() === 0)
- return false
+function md5_ff (a, b, c, d, x, s, t) {
+ return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t)
+}
- return true
- })
+function md5_gg (a, b, c, d, x, s, t) {
+ return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t)
+}
- var N_OVER_TWO = n.shiftRight(1)
+function md5_hh (a, b, c, d, x, s, t) {
+ return md5_cmn(b ^ c ^ d, a, b, x, s, t)
+}
- // enforce low S values, see bip62: 'low s values in signatures'
- if (s.compareTo(N_OVER_TWO) > 0) {
- s = n.subtract(s)
- }
+function md5_ii (a, b, c, d, x, s, t) {
+ return md5_cmn(c ^ (b | (~d)), a, b, x, s, t)
+}
- return new ECSignature(r, s)
+/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally
+ * to work around bugs in some JS interpreters.
+ */
+function safe_add (x, y) {
+ var lsw = (x & 0xFFFF) + (y & 0xFFFF)
+ var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
+ return (msw << 16) | (lsw & 0xFFFF)
+}
+
+/*
+ * Bitwise rotate a 32-bit number to the left.
+ */
+function bit_rol (num, cnt) {
+ return (num << cnt) | (num >>> (32 - cnt))
}
-function verifyRaw (curve, e, signature, Q) {
- var n = curve.n
- var G = curve.G
+module.exports = function md5 (buf) {
+ return makeHash(buf, core_md5)
+}
- var r = signature.r
- var s = signature.s
+},{"./make-hash":83}],85:[function(require,module,exports){
+'use strict'
+var inherits = require('inherits')
+var Legacy = require('./legacy')
+var Base = require('cipher-base')
+var Buffer = require('safe-buffer').Buffer
+var md5 = require('create-hash/md5')
+var RIPEMD160 = require('ripemd160')
+
+var sha = require('sha.js')
- // 1.4.1 Enforce r and s are both integers in the interval [1, n − 1]
- if (r.signum() <= 0 || r.compareTo(n) >= 0) return false
- if (s.signum() <= 0 || s.compareTo(n) >= 0) return false
+var ZEROS = Buffer.alloc(128)
- // c = s^-1 mod n
- var c = s.modInverse(n)
+function Hmac (alg, key) {
+ Base.call(this, 'digest')
+ if (typeof key === 'string') {
+ key = Buffer.from(key)
+ }
- // 1.4.4 Compute u1 = es^−1 mod n
- // u2 = rs^−1 mod n
- var u1 = e.multiply(c).mod(n)
- var u2 = r.multiply(c).mod(n)
+ var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64
- // 1.4.5 Compute R = (xR, yR) = u1G + u2Q
- var R = G.multiplyTwo(u1, Q, u2)
- var v = R.affineX.mod(n)
+ this._alg = alg
+ this._key = key
+ if (key.length > blocksize) {
+ var hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
+ key = hash.update(key).digest()
+ } else if (key.length < blocksize) {
+ key = Buffer.concat([key, ZEROS], blocksize)
+ }
- // 1.4.5 (cont.) Enforce R is not at infinity
- if (curve.isInfinity(R)) return false
+ var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
+ var opad = this._opad = Buffer.allocUnsafe(blocksize)
- // 1.4.8 If v = r, output "valid", and if v != r, output "invalid"
- return v.equals(r)
+ for (var i = 0; i < blocksize; i++) {
+ ipad[i] = key[i] ^ 0x36
+ opad[i] = key[i] ^ 0x5C
+ }
+ this._hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
+ this._hash.update(ipad)
}
-function verify (curve, hash, signature, Q) {
- // 1.4.2 H = Hash(M), already done by the user
- // 1.4.3 e = H
- var e = BigInteger.fromBuffer(hash)
+inherits(Hmac, Base)
- return verifyRaw(curve, e, signature, Q)
+Hmac.prototype._update = function (data) {
+ this._hash.update(data)
}
-/**
- * Recover a public key from a signature.
- *
- * See SEC 1: Elliptic Curve Cryptography, section 4.1.6, "Public
- * Key Recovery Operation".
- *
- * http://www.secg.org/download/aid-780/sec1-v2.pdf
- */
-function recoverPubKey (curve, e, signature, i) {
- assert.strictEqual(i & 3, i, 'Recovery param is more than two bits')
-
- var n = curve.n
- var G = curve.G
+Hmac.prototype._final = function () {
+ var h = this._hash.digest()
+ var hash = this._alg === 'rmd160' ? new RIPEMD160() : sha(this._alg)
+ return hash.update(this._opad).update(h).digest()
+}
- var r = signature.r
- var s = signature.s
+module.exports = function createHmac (alg, key) {
+ alg = alg.toLowerCase()
+ if (alg === 'rmd160' || alg === 'ripemd160') {
+ return new Hmac('rmd160', key)
+ }
+ if (alg === 'md5') {
+ return new Legacy(md5, key)
+ }
+ return new Hmac(alg, key)
+}
- assert(r.signum() > 0 && r.compareTo(n) < 0, 'Invalid r value')
- assert(s.signum() > 0 && s.compareTo(n) < 0, 'Invalid s value')
+},{"./legacy":86,"cipher-base":81,"create-hash/md5":84,"inherits":93,"ripemd160":97,"safe-buffer":98,"sha.js":100}],86:[function(require,module,exports){
+'use strict'
+var inherits = require('inherits')
+var Buffer = require('safe-buffer').Buffer
- // A set LSB signifies that the y-coordinate is odd
- var isYOdd = i & 1
+var Base = require('cipher-base')
- // The more significant bit specifies whether we should use the
- // first or second candidate key.
- var isSecondKey = i >> 1
+var ZEROS = Buffer.alloc(128)
+var blocksize = 64
- // 1.1 Let x = r + jn
- var x = isSecondKey ? r.add(n) : r
- var R = curve.pointFromX(isYOdd, x)
+function Hmac (alg, key) {
+ Base.call(this, 'digest')
+ if (typeof key === 'string') {
+ key = Buffer.from(key)
+ }
- // 1.4 Check that nR is at infinity
- var nR = R.multiply(n)
- assert(curve.isInfinity(nR), 'nR is not a valid curve point')
+ this._alg = alg
+ this._key = key
- // Compute -e from e
- var eNeg = e.negate().mod(n)
+ if (key.length > blocksize) {
+ key = alg(key)
+ } else if (key.length < blocksize) {
+ key = Buffer.concat([key, ZEROS], blocksize)
+ }
- // 1.6.1 Compute Q = r^-1 (sR - eG)
- // Q = r^-1 (sR + -eG)
- var rInv = r.modInverse(n)
+ var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
+ var opad = this._opad = Buffer.allocUnsafe(blocksize)
- var Q = R.multiplyTwo(s, G, eNeg).multiply(rInv)
- curve.validate(Q)
+ for (var i = 0; i < blocksize; i++) {
+ ipad[i] = key[i] ^ 0x36
+ opad[i] = key[i] ^ 0x5C
+ }
- return Q
+ this._hash = [ipad]
}
-/**
- * Calculate pubkey extraction parameter.
- *
- * When extracting a pubkey from a signature, we have to
- * distinguish four different cases. Rather than putting this
- * burden on the verifier, Bitcoin includes a 2-bit value with the
- * signature.
- *
- * This function simply tries all four cases and returns the value
- * that resulted in a successful pubkey recovery.
- */
-function calcPubKeyRecoveryParam (curve, e, signature, Q) {
- for (var i = 0; i < 4; i++) {
- var Qprime = recoverPubKey(curve, e, signature, i)
-
- // 1.6.2 Verify Q
- if (Qprime.equals(Q)) {
- return i
- }
- }
+inherits(Hmac, Base)
- throw new Error('Unable to find valid recovery factor')
+Hmac.prototype._update = function (data) {
+ this._hash.push(data)
}
-module.exports = {
- calcPubKeyRecoveryParam: calcPubKeyRecoveryParam,
- deterministicGenerateK: deterministicGenerateK,
- recoverPubKey: recoverPubKey,
- sign: sign,
- verify: verify,
- verifyRaw: verifyRaw
+Hmac.prototype._final = function () {
+ var h = this._alg(Buffer.concat(this._hash))
+ return this._alg(Buffer.concat([this._opad, h]))
}
+module.exports = Hmac
-}).call(this,require("buffer").Buffer)
-},{"./ecsignature":62,"assert":5,"bigi":3,"buffer":7,"create-hmac":45,"typeforce":53}],60:[function(require,module,exports){
-(function (Buffer){
+},{"cipher-base":81,"inherits":93,"safe-buffer":98}],87:[function(require,module,exports){
var assert = require('assert')
-var base58check = require('bs58check')
-var ecdsa = require('./ecdsa')
-var networks = require('./networks')
-var randomBytes = require('randombytes')
-var typeForce = require('typeforce')
-
var BigInteger = require('bigi')
-var ECPubKey = require('./ecpubkey')
-
-var ecurve = require('ecurve')
-var secp256k1 = ecurve.getCurveByName('secp256k1')
-function ECKey (d, compressed) {
- assert(d.signum() > 0, 'Private key must be greater than 0')
- assert(d.compareTo(ECKey.curve.n) < 0, 'Private key must be less than the curve order')
-
- var Q = ECKey.curve.G.multiply(d)
+var Point = require('./point')
- this.d = d
- this.pub = new ECPubKey(Q, compressed)
-}
+function Curve (p, a, b, Gx, Gy, n, h) {
+ this.p = p
+ this.a = a
+ this.b = b
+ this.G = Point.fromAffine(this, Gx, Gy)
+ this.n = n
+ this.h = h
-// Constants
-ECKey.curve = secp256k1
+ this.infinity = new Point(this, null, null, BigInteger.ZERO)
-// Static constructors
-ECKey.fromWIF = function (string) {
- var payload = base58check.decode(string)
- var compressed = false
+ // result caching
+ this.pOverFour = p.add(BigInteger.ONE).shiftRight(2)
- // Ignore the version byte
- payload = payload.slice(1)
+ // determine size of p in bytes
+ this.pLength = Math.floor((this.p.bitLength() + 7) / 8)
+}
- if (payload.length === 33) {
- assert.strictEqual(payload[32], 0x01, 'Invalid compression flag')
+Curve.prototype.pointFromX = function (isOdd, x) {
+ var alpha = x.pow(3).add(this.a.multiply(x)).add(this.b).mod(this.p)
+ var beta = alpha.modPow(this.pOverFour, this.p) // XXX: not compatible with all curves
- // Truncate the compression flag
- payload = payload.slice(0, -1)
- compressed = true
+ var y = beta
+ if (beta.isEven() ^ !isOdd) {
+ y = this.p.subtract(y) // -y % p
}
- assert.equal(payload.length, 32, 'Invalid WIF payload length')
-
- var d = BigInteger.fromBuffer(payload)
- return new ECKey(d, compressed)
+ return Point.fromAffine(this, x, y)
}
-ECKey.makeRandom = function (compressed, rng) {
- rng = rng || randomBytes
-
- var buffer = rng(32)
- typeForce('Buffer', buffer)
- assert.equal(buffer.length, 32, 'Expected 256-bit Buffer from RNG')
-
- var d = BigInteger.fromBuffer(buffer)
- d = d.mod(ECKey.curve.n)
+Curve.prototype.isInfinity = function (Q) {
+ if (Q === this.infinity) return true
- return new ECKey(d, compressed)
+ return Q.z.signum() === 0 && Q.y.signum() !== 0
}
-// Export functions
-ECKey.prototype.toWIF = function (network) {
- network = network || networks.bitcoin
-
- var bufferLen = this.pub.compressed ? 34 : 33
- var buffer = new Buffer(bufferLen)
-
- buffer.writeUInt8(network.wif, 0)
- this.d.toBuffer(32).copy(buffer, 1)
+Curve.prototype.isOnCurve = function (Q) {
+ if (this.isInfinity(Q)) return true
- if (this.pub.compressed) {
- buffer.writeUInt8(0x01, 33)
- }
+ var x = Q.affineX
+ var y = Q.affineY
+ var a = this.a
+ var b = this.b
+ var p = this.p
- return base58check.encode(buffer)
-}
+ // Check that xQ and yQ are integers in the interval [0, p - 1]
+ if (x.signum() < 0 || x.compareTo(p) >= 0) return false
+ if (y.signum() < 0 || y.compareTo(p) >= 0) return false
-// Operations
-ECKey.prototype.sign = function (hash) {
- return ecdsa.sign(ECKey.curve, hash, this.d)
+ // and check that y^2 = x^3 + ax + b (mod p)
+ var lhs = y.square().mod(p)
+ var rhs = x.pow(3).add(a.multiply(x)).add(b).mod(p)
+ return lhs.equals(rhs)
}
-module.exports = ECKey
+/**
+ * Validate an elliptic curve point.
+ *
+ * See SEC 1, section 3.2.2.1: Elliptic Curve Public Key Validation Primitive
+ */
+Curve.prototype.validate = function (Q) {
+ // Check Q != O
+ assert(!this.isInfinity(Q), 'Point is at infinity')
+ assert(this.isOnCurve(Q), 'Point is not on the curve')
-}).call(this,require("buffer").Buffer)
-},{"./ecdsa":59,"./ecpubkey":61,"./networks":66,"assert":5,"bigi":3,"bs58check":31,"buffer":7,"ecurve":49,"randombytes":52,"typeforce":53}],61:[function(require,module,exports){
-(function (Buffer){
-var crypto = require('./crypto')
-var ecdsa = require('./ecdsa')
-var typeForce = require('typeforce')
-var networks = require('./networks')
+ // Check nQ = O (where Q is a scalar multiple of G)
+ var nQ = Q.multiply(this.n)
+ assert(this.isInfinity(nQ), 'Point is not a scalar multiple of G')
-var Address = require('./address')
+ return true
+}
-var ecurve = require('ecurve')
-var secp256k1 = ecurve.getCurveByName('secp256k1')
+module.exports = Curve
-function ECPubKey (Q, compressed) {
- if (compressed === undefined) {
- compressed = true
+},{"./point":91,"assert":1,"bigi":37}],88:[function(require,module,exports){
+module.exports={
+ "secp128r1": {
+ "p": "fffffffdffffffffffffffffffffffff",
+ "a": "fffffffdfffffffffffffffffffffffc",
+ "b": "e87579c11079f43dd824993c2cee5ed3",
+ "n": "fffffffe0000000075a30d1b9038a115",
+ "h": "01",
+ "Gx": "161ff7528b899b2d0c28607ca52c5b86",
+ "Gy": "cf5ac8395bafeb13c02da292dded7a83"
+ },
+ "secp160k1": {
+ "p": "fffffffffffffffffffffffffffffffeffffac73",
+ "a": "00",
+ "b": "07",
+ "n": "0100000000000000000001b8fa16dfab9aca16b6b3",
+ "h": "01",
+ "Gx": "3b4c382ce37aa192a4019e763036f4f5dd4d7ebb",
+ "Gy": "938cf935318fdced6bc28286531733c3f03c4fee"
+ },
+ "secp160r1": {
+ "p": "ffffffffffffffffffffffffffffffff7fffffff",
+ "a": "ffffffffffffffffffffffffffffffff7ffffffc",
+ "b": "1c97befc54bd7a8b65acf89f81d4d4adc565fa45",
+ "n": "0100000000000000000001f4c8f927aed3ca752257",
+ "h": "01",
+ "Gx": "4a96b5688ef573284664698968c38bb913cbfc82",
+ "Gy": "23a628553168947d59dcc912042351377ac5fb32"
+ },
+ "secp192k1": {
+ "p": "fffffffffffffffffffffffffffffffffffffffeffffee37",
+ "a": "00",
+ "b": "03",
+ "n": "fffffffffffffffffffffffe26f2fc170f69466a74defd8d",
+ "h": "01",
+ "Gx": "db4ff10ec057e9ae26b07d0280b7f4341da5d1b1eae06c7d",
+ "Gy": "9b2f2f6d9c5628a7844163d015be86344082aa88d95e2f9d"
+ },
+ "secp192r1": {
+ "p": "fffffffffffffffffffffffffffffffeffffffffffffffff",
+ "a": "fffffffffffffffffffffffffffffffefffffffffffffffc",
+ "b": "64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1",
+ "n": "ffffffffffffffffffffffff99def836146bc9b1b4d22831",
+ "h": "01",
+ "Gx": "188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012",
+ "Gy": "07192b95ffc8da78631011ed6b24cdd573f977a11e794811"
+ },
+ "secp256k1": {
+ "p": "fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
+ "a": "00",
+ "b": "07",
+ "n": "fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141",
+ "h": "01",
+ "Gx": "79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798",
+ "Gy": "483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8"
+ },
+ "secp256r1": {
+ "p": "ffffffff00000001000000000000000000000000ffffffffffffffffffffffff",
+ "a": "ffffffff00000001000000000000000000000000fffffffffffffffffffffffc",
+ "b": "5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b",
+ "n": "ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551",
+ "h": "01",
+ "Gx": "6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296",
+ "Gy": "4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5"
}
-
- typeForce('Point', Q)
- typeForce('Boolean', compressed)
-
- this.compressed = compressed
- this.Q = Q
}
-// Constants
-ECPubKey.curve = secp256k1
+},{}],89:[function(require,module,exports){
+var Point = require('./point')
+var Curve = require('./curve')
-// Static constructors
-ECPubKey.fromBuffer = function (buffer) {
- var Q = ecurve.Point.decodeFrom(ECPubKey.curve, buffer)
- return new ECPubKey(Q, Q.compressed)
-}
+var getCurveByName = require('./names')
-ECPubKey.fromHex = function (hex) {
- return ECPubKey.fromBuffer(new Buffer(hex, 'hex'))
+module.exports = {
+ Curve: Curve,
+ Point: Point,
+ getCurveByName: getCurveByName
}
-// Operations
-ECPubKey.prototype.getAddress = function (network) {
- network = network || networks.bitcoin
+},{"./curve":87,"./names":90,"./point":91}],90:[function(require,module,exports){
+var BigInteger = require('bigi')
- return new Address(crypto.hash160(this.toBuffer()), network.pubKeyHash)
-}
+var curves = require('./curves.json')
+var Curve = require('./curve')
-ECPubKey.prototype.verify = function (hash, signature) {
- return ecdsa.verify(ECPubKey.curve, hash, signature, this.Q)
-}
+function getCurveByName (name) {
+ var curve = curves[name]
+ if (!curve) return null
-// Export functions
-ECPubKey.prototype.toBuffer = function () {
- return this.Q.getEncoded(this.compressed)
-}
+ var p = new BigInteger(curve.p, 16)
+ var a = new BigInteger(curve.a, 16)
+ var b = new BigInteger(curve.b, 16)
+ var n = new BigInteger(curve.n, 16)
+ var h = new BigInteger(curve.h, 16)
+ var Gx = new BigInteger(curve.Gx, 16)
+ var Gy = new BigInteger(curve.Gy, 16)
-ECPubKey.prototype.toHex = function () {
- return this.toBuffer().toString('hex')
+ return new Curve(p, a, b, Gx, Gy, n, h)
}
-module.exports = ECPubKey
+module.exports = getCurveByName
-}).call(this,require("buffer").Buffer)
-},{"./address":54,"./crypto":58,"./ecdsa":59,"./networks":66,"buffer":7,"ecurve":49,"typeforce":53}],62:[function(require,module,exports){
+},{"./curve":87,"./curves.json":88,"bigi":37}],91:[function(require,module,exports){
(function (Buffer){
var assert = require('assert')
-var typeForce = require('typeforce')
-
var BigInteger = require('bigi')
-function ECSignature (r, s) {
- typeForce('BigInteger', r)
- typeForce('BigInteger', s)
-
- this.r = r
- this.s = s
-}
+var THREE = BigInteger.valueOf(3)
-ECSignature.parseCompact = function (buffer) {
- assert.equal(buffer.length, 65, 'Invalid signature length')
- var i = buffer.readUInt8(0) - 27
+function Point (curve, x, y, z) {
+ assert.notStrictEqual(z, undefined, 'Missing Z coordinate')
- // At most 3 bits
- assert.equal(i, i & 7, 'Invalid signature parameter')
- var compressed = !!(i & 4)
+ this.curve = curve
+ this.x = x
+ this.y = y
+ this.z = z
+ this._zInv = null
- // Recovery param only
- i = i & 3
+ this.compressed = true
+}
- var r = BigInteger.fromBuffer(buffer.slice(1, 33))
- var s = BigInteger.fromBuffer(buffer.slice(33))
+Object.defineProperty(Point.prototype, 'zInv', {
+ get: function () {
+ if (this._zInv === null) {
+ this._zInv = this.z.modInverse(this.curve.p)
+ }
- return {
- compressed: compressed,
- i: i,
- signature: new ECSignature(r, s)
+ return this._zInv
}
-}
+})
-ECSignature.fromDER = function (buffer) {
- assert.equal(buffer.readUInt8(0), 0x30, 'Not a DER sequence')
- assert.equal(buffer.readUInt8(1), buffer.length - 2, 'Invalid sequence length')
- assert.equal(buffer.readUInt8(2), 0x02, 'Expected a DER integer')
+Object.defineProperty(Point.prototype, 'affineX', {
+ get: function () {
+ return this.x.multiply(this.zInv).mod(this.curve.p)
+ }
+})
- var rLen = buffer.readUInt8(3)
- assert(rLen > 0, 'R length is zero')
+Object.defineProperty(Point.prototype, 'affineY', {
+ get: function () {
+ return this.y.multiply(this.zInv).mod(this.curve.p)
+ }
+})
- var offset = 4 + rLen
- assert.equal(buffer.readUInt8(offset), 0x02, 'Expected a DER integer (2)')
+Point.fromAffine = function (curve, x, y) {
+ return new Point(curve, x, y, BigInteger.ONE)
+}
- var sLen = buffer.readUInt8(offset + 1)
- assert(sLen > 0, 'S length is zero')
+Point.prototype.equals = function (other) {
+ if (other === this) return true
+ if (this.curve.isInfinity(this)) return this.curve.isInfinity(other)
+ if (this.curve.isInfinity(other)) return this.curve.isInfinity(this)
- var rB = buffer.slice(4, offset)
- var sB = buffer.slice(offset + 2)
- offset += 2 + sLen
+ // u = Y2 * Z1 - Y1 * Z2
+ var u = other.y.multiply(this.z).subtract(this.y.multiply(other.z)).mod(this.curve.p)
- if (rLen > 1 && rB.readUInt8(0) === 0x00) {
- assert(rB.readUInt8(1) & 0x80, 'R value excessively padded')
- }
+ if (u.signum() !== 0) return false
- if (sLen > 1 && sB.readUInt8(0) === 0x00) {
- assert(sB.readUInt8(1) & 0x80, 'S value excessively padded')
- }
+ // v = X2 * Z1 - X1 * Z2
+ var v = other.x.multiply(this.z).subtract(this.x.multiply(other.z)).mod(this.curve.p)
- assert.equal(offset, buffer.length, 'Invalid DER encoding')
- var r = BigInteger.fromDERInteger(rB)
- var s = BigInteger.fromDERInteger(sB)
+ return v.signum() === 0
+}
- assert(r.signum() >= 0, 'R value is negative')
- assert(s.signum() >= 0, 'S value is negative')
+Point.prototype.negate = function () {
+ var y = this.curve.p.subtract(this.y)
- return new ECSignature(r, s)
+ return new Point(this.curve, this.x, y, this.z)
}
-// BIP62: 1 byte hashType flag (only 0x01, 0x02, 0x03, 0x81, 0x82 and 0x83 are allowed)
-ECSignature.parseScriptSignature = function (buffer) {
- var hashType = buffer.readUInt8(buffer.length - 1)
- var hashTypeMod = hashType & ~0x80
+Point.prototype.add = function (b) {
+ if (this.curve.isInfinity(this)) return b
+ if (this.curve.isInfinity(b)) return this
- assert(hashTypeMod > 0x00 && hashTypeMod < 0x04, 'Invalid hashType ' + hashType)
+ var x1 = this.x
+ var y1 = this.y
+ var x2 = b.x
+ var y2 = b.y
- return {
- signature: ECSignature.fromDER(buffer.slice(0, -1)),
- hashType: hashType
- }
-}
+ // u = Y2 * Z1 - Y1 * Z2
+ var u = y2.multiply(this.z).subtract(y1.multiply(b.z)).mod(this.curve.p)
+ // v = X2 * Z1 - X1 * Z2
+ var v = x2.multiply(this.z).subtract(x1.multiply(b.z)).mod(this.curve.p)
-ECSignature.prototype.toCompact = function (i, compressed) {
- if (compressed) {
- i += 4
- }
+ if (v.signum() === 0) {
+ if (u.signum() === 0) {
+ return this.twice() // this == b, so double
+ }
- i += 27
+ return this.curve.infinity // this = -b, so infinity
+ }
- var buffer = new Buffer(65)
- buffer.writeUInt8(i, 0)
+ var v2 = v.square()
+ var v3 = v2.multiply(v)
+ var x1v2 = x1.multiply(v2)
+ var zu2 = u.square().multiply(this.z)
- this.r.toBuffer(32).copy(buffer, 1)
- this.s.toBuffer(32).copy(buffer, 33)
+ // x3 = v * (z2 * (z1 * u^2 - 2 * x1 * v^2) - v^3)
+ var x3 = zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.p)
+ // y3 = z2 * (3 * x1 * u * v^2 - y1 * v^3 - z1 * u^3) + u * v^3
+ var y3 = x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(b.z).add(u.multiply(v3)).mod(this.curve.p)
+ // z3 = v^3 * z1 * z2
+ var z3 = v3.multiply(this.z).multiply(b.z).mod(this.curve.p)
- return buffer
+ return new Point(this.curve, x3, y3, z3)
}
-ECSignature.prototype.toDER = function () {
- var rBa = this.r.toDERInteger()
- var sBa = this.s.toDERInteger()
-
- var sequence = []
-
- // INTEGER
- sequence.push(0x02, rBa.length)
- sequence = sequence.concat(rBa)
+Point.prototype.twice = function () {
+ if (this.curve.isInfinity(this)) return this
+ if (this.y.signum() === 0) return this.curve.infinity
- // INTEGER
- sequence.push(0x02, sBa.length)
- sequence = sequence.concat(sBa)
+ var x1 = this.x
+ var y1 = this.y
- // SEQUENCE
- sequence.unshift(0x30, sequence.length)
+ var y1z1 = y1.multiply(this.z).mod(this.curve.p)
+ var y1sqz1 = y1z1.multiply(y1).mod(this.curve.p)
+ var a = this.curve.a
- return new Buffer(sequence)
-}
+ // w = 3 * x1^2 + a * z1^2
+ var w = x1.square().multiply(THREE)
-ECSignature.prototype.toScriptSignature = function (hashType) {
- var hashTypeMod = hashType & ~0x80
- assert(hashTypeMod > 0x00 && hashTypeMod < 0x04, 'Invalid hashType ' + hashType)
+ if (a.signum() !== 0) {
+ w = w.add(this.z.square().multiply(a))
+ }
- var hashTypeBuffer = new Buffer(1)
- hashTypeBuffer.writeUInt8(hashType, 0)
+ w = w.mod(this.curve.p)
+ // x3 = 2 * y1 * z1 * (w^2 - 8 * x1 * y1^2 * z1)
+ var x3 = w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(this.curve.p)
+ // y3 = 4 * y1^2 * z1 * (3 * w * x1 - 2 * y1^2 * z1) - w^3
+ var y3 = w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(y1sqz1).subtract(w.pow(3)).mod(this.curve.p)
+ // z3 = 8 * (y1 * z1)^3
+ var z3 = y1z1.pow(3).shiftLeft(3).mod(this.curve.p)
- return Buffer.concat([this.toDER(), hashTypeBuffer])
+ return new Point(this.curve, x3, y3, z3)
}
-module.exports = ECSignature
+// Simple NAF (Non-Adjacent Form) multiplication algorithm
+// TODO: modularize the multiplication algorithm
+Point.prototype.multiply = function (k) {
+ if (this.curve.isInfinity(this)) return this
+ if (k.signum() === 0) return this.curve.infinity
-}).call(this,require("buffer").Buffer)
-},{"assert":5,"bigi":3,"buffer":7,"typeforce":53}],63:[function(require,module,exports){
-(function (Buffer){
-var assert = require('assert')
-var base58check = require('bs58check')
-var bcrypto = require('./crypto')
-var createHmac = require('create-hmac')
-var typeForce = require('typeforce')
-var networks = require('./networks')
+ var e = k
+ var h = e.multiply(THREE)
-var BigInteger = require('bigi')
-var ECKey = require('./eckey')
-var ECPubKey = require('./ecpubkey')
+ var neg = this.negate()
+ var R = this
-var ecurve = require('ecurve')
-var curve = ecurve.getCurveByName('secp256k1')
+ for (var i = h.bitLength() - 2; i > 0; --i) {
+ var hBit = h.testBit(i)
+ var eBit = e.testBit(i)
-function findBIP32NetworkByVersion (version) {
- for (var name in networks) {
- var network = networks[name]
+ R = R.twice()
- if (version === network.bip32.private || version === network.bip32.public) {
- return network
+ if (hBit !== eBit) {
+ R = R.add(hBit ? this : neg)
}
}
- assert(false, 'Could not find network for ' + version.toString(16))
+ return R
}
-function HDNode (K, chainCode, network) {
- network = network || networks.bitcoin
+// Compute this*j + x*k (simultaneous multiplication)
+Point.prototype.multiplyTwo = function (j, x, k) {
+ var i = Math.max(j.bitLength(), k.bitLength()) - 1
+ var R = this.curve.infinity
+ var both = this.add(x)
- typeForce('Buffer', chainCode)
+ while (i >= 0) {
+ var jBit = j.testBit(i)
+ var kBit = k.testBit(i)
- assert.equal(chainCode.length, 32, 'Expected chainCode length of 32, got ' + chainCode.length)
- assert(network.bip32, 'Unknown BIP32 constants for network')
+ R = R.twice()
- this.chainCode = chainCode
- this.depth = 0
- this.index = 0
- this.parentFingerprint = 0x00000000
- this.network = network
-
- if (K instanceof BigInteger) {
- this.privKey = new ECKey(K, true)
- this.pubKey = this.privKey.pub
- } else if (K instanceof ECKey) {
- assert(K.pub.compressed, 'ECKey must be compressed')
- this.privKey = K
- this.pubKey = K.pub
- } else if (K instanceof ECPubKey) {
- assert(K.compressed, 'ECPubKey must be compressed')
- this.pubKey = K
- } else {
- this.pubKey = new ECPubKey(K, true)
+ if (jBit) {
+ if (kBit) {
+ R = R.add(both)
+ } else {
+ R = R.add(this)
+ }
+ } else if (kBit) {
+ R = R.add(x)
+ }
+ --i
}
-}
-HDNode.MASTER_SECRET = new Buffer('Bitcoin seed')
-HDNode.HIGHEST_BIT = 0x80000000
-HDNode.LENGTH = 78
+ return R
+}
-HDNode.fromSeedBuffer = function (seed, network) {
- typeForce('Buffer', seed)
+Point.prototype.getEncoded = function (compressed) {
+ if (compressed == null) compressed = this.compressed
+ if (this.curve.isInfinity(this)) return new Buffer('00', 'hex') // Infinity point encoded is simply '00'
- assert(seed.length >= 16, 'Seed should be at least 128 bits')
- assert(seed.length <= 64, 'Seed should be at most 512 bits')
+ var x = this.affineX
+ var y = this.affineY
+ var byteLength = this.curve.pLength
+ var buffer
- var I = createHmac('sha512', HDNode.MASTER_SECRET).update(seed).digest()
- var IL = I.slice(0, 32)
- var IR = I.slice(32)
+ // 0x02/0x03 | X
+ if (compressed) {
+ buffer = new Buffer(1 + byteLength)
+ buffer.writeUInt8(y.isEven() ? 0x02 : 0x03, 0)
- // In case IL is 0 or >= n, the master key is invalid
- // This is handled by `new ECKey` in the HDNode constructor
- var pIL = BigInteger.fromBuffer(IL)
+ // 0x04 | X | Y
+ } else {
+ buffer = new Buffer(1 + byteLength + byteLength)
+ buffer.writeUInt8(0x04, 0)
- return new HDNode(pIL, IR, network)
-}
+ y.toBuffer(byteLength).copy(buffer, 1 + byteLength)
+ }
-HDNode.fromSeedHex = function (hex, network) {
- return HDNode.fromSeedBuffer(new Buffer(hex, 'hex'), network)
-}
+ x.toBuffer(byteLength).copy(buffer, 1)
-HDNode.fromBase58 = function (string, network) {
- return HDNode.fromBuffer(base58check.decode(string), network, true)
+ return buffer
}
-// FIXME: remove in 2.x.y
-HDNode.fromBuffer = function (buffer, network, __ignoreDeprecation) {
- if (!__ignoreDeprecation) {
- console.warn('HDNode.fromBuffer() is deprecated for removal in 2.x.y, use fromBase58 instead')
- }
-
- assert.strictEqual(buffer.length, HDNode.LENGTH, 'Invalid buffer length')
+Point.decodeFrom = function (curve, buffer) {
+ var type = buffer.readUInt8(0)
+ var compressed = (type !== 4)
- // 4 byte: version bytes
- var version = buffer.readUInt32BE(0)
+ var byteLength = Math.floor((curve.p.bitLength() + 7) / 8)
+ var x = BigInteger.fromBuffer(buffer.slice(1, 1 + byteLength))
- if (network) {
- assert(version === network.bip32.private || version === network.bip32.public, "Network doesn't match")
+ var Q
+ if (compressed) {
+ assert.equal(buffer.length, byteLength + 1, 'Invalid sequence length')
+ assert(type === 0x02 || type === 0x03, 'Invalid sequence tag')
- // auto-detect
+ var isOdd = (type === 0x03)
+ Q = curve.pointFromX(isOdd, x)
} else {
- network = findBIP32NetworkByVersion(version)
- }
-
- // 1 byte: depth: 0x00 for master nodes, 0x01 for level-1 descendants, ...
- var depth = buffer.readUInt8(4)
+ assert.equal(buffer.length, 1 + byteLength + byteLength, 'Invalid sequence length')
- // 4 bytes: the fingerprint of the parent's key (0x00000000 if master key)
- var parentFingerprint = buffer.readUInt32BE(5)
- if (depth === 0) {
- assert.strictEqual(parentFingerprint, 0x00000000, 'Invalid parent fingerprint')
+ var y = BigInteger.fromBuffer(buffer.slice(1 + byteLength))
+ Q = Point.fromAffine(curve, x, y)
}
- // 4 bytes: child number. This is the number i in xi = xpar/i, with xi the key being serialized.
- // This is encoded in MSB order. (0x00000000 if master key)
- var index = buffer.readUInt32BE(9)
- assert(depth > 0 || index === 0, 'Invalid index')
-
- // 32 bytes: the chain code
- var chainCode = buffer.slice(13, 45)
- var data, hd
-
- // 33 bytes: private key data (0x00 + k)
- if (version === network.bip32.private) {
- assert.strictEqual(buffer.readUInt8(45), 0x00, 'Invalid private key')
- data = buffer.slice(46, 78)
- var d = BigInteger.fromBuffer(data)
- hd = new HDNode(d, chainCode, network)
-
- // 33 bytes: public key data (0x02 + X or 0x03 + X)
- } else {
- data = buffer.slice(45, 78)
- var Q = ecurve.Point.decodeFrom(curve, data)
- assert.equal(Q.compressed, true, 'Invalid public key')
+ Q.compressed = compressed
+ return Q
+}
- // Verify that the X coordinate in the public point corresponds to a point on the curve.
- // If not, the extended public key is invalid.
- curve.validate(Q)
+Point.prototype.toString = function () {
+ if (this.curve.isInfinity(this)) return '(INFINITY)'
- hd = new HDNode(Q, chainCode, network)
- }
+ return '(' + this.affineX.toString() + ',' + this.affineY.toString() + ')'
+}
- hd.depth = depth
- hd.index = index
- hd.parentFingerprint = parentFingerprint
+module.exports = Point
- return hd
-}
+}).call(this,require("buffer").Buffer)
+},{"assert":1,"bigi":37,"buffer":4}],92:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var Transform = require('stream').Transform
+var inherits = require('inherits')
-// FIXME: remove in 2.x.y
-HDNode.fromHex = function (hex, network) {
- return HDNode.fromBuffer(new Buffer(hex, 'hex'), network)
-}
+function HashBase (blockSize) {
+ Transform.call(this)
-HDNode.prototype.getIdentifier = function () {
- return bcrypto.hash160(this.pubKey.toBuffer())
-}
+ this._block = new Buffer(blockSize)
+ this._blockSize = blockSize
+ this._blockOffset = 0
+ this._length = [0, 0, 0, 0]
-HDNode.prototype.getFingerprint = function () {
- return this.getIdentifier().slice(0, 4)
+ this._finalized = false
}
-HDNode.prototype.getAddress = function () {
- return this.pubKey.getAddress(this.network)
-}
+inherits(HashBase, Transform)
-HDNode.prototype.neutered = function () {
- var neutered = new HDNode(this.pubKey.Q, this.chainCode, this.network)
- neutered.depth = this.depth
- neutered.index = this.index
- neutered.parentFingerprint = this.parentFingerprint
+HashBase.prototype._transform = function (chunk, encoding, callback) {
+ var error = null
+ try {
+ if (encoding !== 'buffer') chunk = new Buffer(chunk, encoding)
+ this.update(chunk)
+ } catch (err) {
+ error = err
+ }
- return neutered
+ callback(error)
}
-HDNode.prototype.toBase58 = function (isPrivate) {
- return base58check.encode(this.toBuffer(isPrivate, true))
+HashBase.prototype._flush = function (callback) {
+ var error = null
+ try {
+ this.push(this._digest())
+ } catch (err) {
+ error = err
+ }
+
+ callback(error)
}
-// FIXME: remove in 2.x.y
-HDNode.prototype.toBuffer = function (isPrivate, __ignoreDeprecation) {
- if (isPrivate === undefined) {
- isPrivate = !!this.privKey
+HashBase.prototype.update = function (data, encoding) {
+ if (!Buffer.isBuffer(data) && typeof data !== 'string') throw new TypeError('Data must be a string or a buffer')
+ if (this._finalized) throw new Error('Digest already called')
+ if (!Buffer.isBuffer(data)) data = new Buffer(data, encoding || 'binary')
- // FIXME: remove in 2.x.y
- } else {
- console.warn('isPrivate flag is deprecated, please use the .neutered() method instead')
+ // consume data
+ var block = this._block
+ var offset = 0
+ while (this._blockOffset + data.length - offset >= this._blockSize) {
+ for (var i = this._blockOffset; i < this._blockSize;) block[i++] = data[offset++]
+ this._update()
+ this._blockOffset = 0
}
+ while (offset < data.length) block[this._blockOffset++] = data[offset++]
- if (!__ignoreDeprecation) {
- console.warn('HDNode.toBuffer() is deprecated for removal in 2.x.y, use toBase58 instead')
+ // update length
+ for (var j = 0, carry = data.length * 8; carry > 0; ++j) {
+ this._length[j] += carry
+ carry = (this._length[j] / 0x0100000000) | 0
+ if (carry > 0) this._length[j] -= 0x0100000000 * carry
}
- // Version
- var version = isPrivate ? this.network.bip32.private : this.network.bip32.public
- var buffer = new Buffer(HDNode.LENGTH)
+ return this
+}
- // 4 bytes: version bytes
- buffer.writeUInt32BE(version, 0)
+HashBase.prototype._update = function (data) {
+ throw new Error('_update is not implemented')
+}
- // Depth
- // 1 byte: depth: 0x00 for master nodes, 0x01 for level-1 descendants, ....
- buffer.writeUInt8(this.depth, 4)
+HashBase.prototype.digest = function (encoding) {
+ if (this._finalized) throw new Error('Digest already called')
+ this._finalized = true
- // 4 bytes: the fingerprint of the parent's key (0x00000000 if master key)
- buffer.writeUInt32BE(this.parentFingerprint, 5)
+ var digest = this._digest()
+ if (encoding !== undefined) digest = digest.toString(encoding)
+ return digest
+}
- // 4 bytes: child number. This is the number i in xi = xpar/i, with xi the key being serialized.
- // This is encoded in Big endian. (0x00000000 if master key)
- buffer.writeUInt32BE(this.index, 9)
+HashBase.prototype._digest = function () {
+ throw new Error('_digest is not implemented')
+}
- // 32 bytes: the chain code
- this.chainCode.copy(buffer, 13)
+module.exports = HashBase
- // 33 bytes: the public key or private key data
- if (isPrivate) {
- // FIXME: remove in 2.x.y
- assert(this.privKey, 'Missing private key')
+}).call(this,require("buffer").Buffer)
+},{"buffer":4,"inherits":93,"stream":27}],93:[function(require,module,exports){
+arguments[4][8][0].apply(exports,arguments)
+},{"dup":8}],94:[function(require,module,exports){
+(function (Buffer){
+// constant-space merkle root calculation algorithm
+module.exports = function fastRoot (values, digestFn) {
+ if (!Array.isArray(values)) throw TypeError('Expected values Array')
+ if (typeof digestFn !== 'function') throw TypeError('Expected digest Function')
- // 0x00 + k for private keys
- buffer.writeUInt8(0, 45)
- this.privKey.d.toBuffer(32).copy(buffer, 46)
- } else {
- // X9.62 encoding for public keys
- this.pubKey.toBuffer().copy(buffer, 45)
+ var length = values.length
+ var results = values.concat()
+
+ while (length > 1) {
+ var j = 0
+
+ for (var i = 0; i < length; i += 2, ++j) {
+ var left = results[i]
+ var right = i + 1 === length ? left : results[i + 1]
+ var data = Buffer.concat([left, right])
+
+ results[j] = digestFn(data)
+ }
+
+ length = j
}
- return buffer
+ return results[0]
}
-// FIXME: remove in 2.x.y
-HDNode.prototype.toHex = function (isPrivate) {
- return this.toBuffer(isPrivate).toString('hex')
+}).call(this,require("buffer").Buffer)
+},{"buffer":4}],95:[function(require,module,exports){
+var OPS = require('bitcoin-ops')
+
+function encodingLength (i) {
+ return i < OPS.OP_PUSHDATA1 ? 1
+ : i <= 0xff ? 2
+ : i <= 0xffff ? 3
+ : 5
}
-// https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#child-key-derivation-ckd-functions
-HDNode.prototype.derive = function (index) {
- var isHardened = index >= HDNode.HIGHEST_BIT
- var indexBuffer = new Buffer(4)
- indexBuffer.writeUInt32BE(index, 0)
+function encode (buffer, number, offset) {
+ var size = encodingLength(number)
- var data
+ // ~6 bit
+ if (size === 1) {
+ buffer.writeUInt8(number, offset)
- // Hardened child
- if (isHardened) {
- assert(this.privKey, 'Could not derive hardened child key')
+ // 8 bit
+ } else if (size === 2) {
+ buffer.writeUInt8(OPS.OP_PUSHDATA1, offset)
+ buffer.writeUInt8(number, offset + 1)
- // data = 0x00 || ser256(kpar) || ser32(index)
- data = Buffer.concat([
- this.privKey.d.toBuffer(33),
- indexBuffer
- ])
+ // 16 bit
+ } else if (size === 3) {
+ buffer.writeUInt8(OPS.OP_PUSHDATA2, offset)
+ buffer.writeUInt16LE(number, offset + 1)
- // Normal child
+ // 32 bit
} else {
- // data = serP(point(kpar)) || ser32(index)
- // = serP(Kpar) || ser32(index)
- data = Buffer.concat([
- this.pubKey.toBuffer(),
- indexBuffer
- ])
+ buffer.writeUInt8(OPS.OP_PUSHDATA4, offset)
+ buffer.writeUInt32LE(number, offset + 1)
}
- var I = createHmac('sha512', this.chainCode).update(data).digest()
- var IL = I.slice(0, 32)
- var IR = I.slice(32)
-
- var pIL = BigInteger.fromBuffer(IL)
+ return size
+}
- // In case parse256(IL) >= n, proceed with the next value for i
- if (pIL.compareTo(curve.n) >= 0) {
- return this.derive(index + 1)
- }
+function decode (buffer, offset) {
+ var opcode = buffer.readUInt8(offset)
+ var number, size
- // Private parent key -> private child key
- var hd
- if (this.privKey) {
- // ki = parse256(IL) + kpar (mod n)
- var ki = pIL.add(this.privKey.d).mod(curve.n)
+ // ~6 bit
+ if (opcode < OPS.OP_PUSHDATA1) {
+ number = opcode
+ size = 1
- // In case ki == 0, proceed with the next value for i
- if (ki.signum() === 0) {
- return this.derive(index + 1)
- }
+ // 8 bit
+ } else if (opcode === OPS.OP_PUSHDATA1) {
+ if (offset + 2 > buffer.length) return null
+ number = buffer.readUInt8(offset + 1)
+ size = 2
- hd = new HDNode(ki, IR, this.network)
+ // 16 bit
+ } else if (opcode === OPS.OP_PUSHDATA2) {
+ if (offset + 3 > buffer.length) return null
+ number = buffer.readUInt16LE(offset + 1)
+ size = 3
- // Public parent key -> public child key
+ // 32 bit
} else {
- // Ki = point(parse256(IL)) + Kpar
- // = G*IL + Kpar
- var Ki = curve.G.multiply(pIL).add(this.pubKey.Q)
-
- // In case Ki is the point at infinity, proceed with the next value for i
- if (curve.isInfinity(Ki)) {
- return this.derive(index + 1)
- }
+ if (offset + 5 > buffer.length) return null
+ if (opcode !== OPS.OP_PUSHDATA4) throw new Error('Unexpected opcode')
- hd = new HDNode(Ki, IR, this.network)
+ number = buffer.readUInt32LE(offset + 1)
+ size = 5
}
- hd.depth = this.depth + 1
- hd.index = index
- hd.parentFingerprint = this.getFingerprint().readUInt32BE(0)
-
- return hd
+ return {
+ opcode: opcode,
+ number: number,
+ size: size
+ }
}
-HDNode.prototype.deriveHardened = function (index) {
- // Only derives hardened private keys by default
- return this.derive(index + HDNode.HIGHEST_BIT)
+module.exports = {
+ encodingLength: encodingLength,
+ encode: encode,
+ decode: decode
}
-HDNode.prototype.toString = HDNode.prototype.toBase58
+},{"bitcoin-ops":40}],96:[function(require,module,exports){
+(function (process,global){
+'use strict'
-module.exports = HDNode
+function oldBrowser () {
+ throw new Error('secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11')
+}
-}).call(this,require("buffer").Buffer)
-},{"./crypto":58,"./eckey":60,"./ecpubkey":61,"./networks":66,"assert":5,"bigi":3,"bs58check":31,"buffer":7,"create-hmac":45,"ecurve":49,"typeforce":53}],64:[function(require,module,exports){
-module.exports = {
- Address: require('./address'),
- base58check: require('./base58check'),
- Block: require('./block'),
- bufferutils: require('./bufferutils'),
- crypto: require('./crypto'),
- ecdsa: require('./ecdsa'),
- ECKey: require('./eckey'),
- ECPubKey: require('./ecpubkey'),
- ECSignature: require('./ecsignature'),
- Message: require('./message'),
- opcodes: require('./opcodes'),
- HDNode: require('./hdnode'),
- Script: require('./script'),
- scripts: require('./scripts'),
- Transaction: require('./transaction'),
- TransactionBuilder: require('./transaction_builder'),
- networks: require('./networks'),
- Wallet: require('./wallet')
+var Buffer = require('safe-buffer').Buffer
+var crypto = global.crypto || global.msCrypto
+
+if (crypto && crypto.getRandomValues) {
+ module.exports = randomBytes
+} else {
+ module.exports = oldBrowser
}
-},{"./address":54,"./base58check":55,"./block":56,"./bufferutils":57,"./crypto":58,"./ecdsa":59,"./eckey":60,"./ecpubkey":61,"./ecsignature":62,"./hdnode":63,"./message":65,"./networks":66,"./opcodes":67,"./script":68,"./scripts":69,"./transaction":70,"./transaction_builder":71,"./wallet":72}],65:[function(require,module,exports){
-(function (Buffer){
-var bufferutils = require('./bufferutils')
-var crypto = require('./crypto')
-var ecdsa = require('./ecdsa')
-var networks = require('./networks')
+function randomBytes (size, cb) {
+ // phantomjs needs to throw
+ if (size > 65536) throw new Error('requested too many random bytes')
+ // in case browserify isn't using the Uint8Array version
+ var rawBytes = new global.Uint8Array(size)
-var BigInteger = require('bigi')
-var ECPubKey = require('./ecpubkey')
-var ECSignature = require('./ecsignature')
+ // This will not work in older browsers.
+ // See https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues
+ if (size > 0) { // getRandomValues fails on IE if size == 0
+ crypto.getRandomValues(rawBytes)
+ }
-var ecurve = require('ecurve')
-var ecparams = ecurve.getCurveByName('secp256k1')
+ // XXX: phantomjs doesn't like a buffer being passed here
+ var bytes = Buffer.from(rawBytes.buffer)
-function magicHash (message, network) {
- var magicPrefix = new Buffer(network.magicPrefix)
- var messageBuffer = new Buffer(message)
- var lengthBuffer = bufferutils.varIntBuffer(messageBuffer.length)
+ if (typeof cb === 'function') {
+ return process.nextTick(function () {
+ cb(null, bytes)
+ })
+ }
- var buffer = Buffer.concat([magicPrefix, lengthBuffer, messageBuffer])
- return crypto.hash256(buffer)
+ return bytes
}
-function sign (privKey, message, network) {
- network = network || networks.bitcoin
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"_process":12,"safe-buffer":98}],97:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var inherits = require('inherits')
+var HashBase = require('hash-base')
- var hash = magicHash(message, network)
- var signature = privKey.sign(hash)
- var e = BigInteger.fromBuffer(hash)
- var i = ecdsa.calcPubKeyRecoveryParam(ecparams, e, signature, privKey.pub.Q)
+function RIPEMD160 () {
+ HashBase.call(this, 64)
- return signature.toCompact(i, privKey.pub.compressed)
+ // state
+ this._a = 0x67452301
+ this._b = 0xefcdab89
+ this._c = 0x98badcfe
+ this._d = 0x10325476
+ this._e = 0xc3d2e1f0
}
-// TODO: network could be implied from address
-function verify (address, signature, message, network) {
- if (!Buffer.isBuffer(signature)) {
- signature = new Buffer(signature, 'base64')
- }
-
- network = network || networks.bitcoin
-
- var hash = magicHash(message, network)
- var parsed = ECSignature.parseCompact(signature)
- var e = BigInteger.fromBuffer(hash)
- var Q = ecdsa.recoverPubKey(ecparams, e, parsed.signature, parsed.i)
+inherits(RIPEMD160, HashBase)
+
+RIPEMD160.prototype._update = function () {
+ var m = new Array(16)
+ for (var i = 0; i < 16; ++i) m[i] = this._block.readInt32LE(i * 4)
+
+ var al = this._a
+ var bl = this._b
+ var cl = this._c
+ var dl = this._d
+ var el = this._e
+
+ // Mj = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+ // K = 0x00000000
+ // Sj = 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8
+ al = fn1(al, bl, cl, dl, el, m[0], 0x00000000, 11); cl = rotl(cl, 10)
+ el = fn1(el, al, bl, cl, dl, m[1], 0x00000000, 14); bl = rotl(bl, 10)
+ dl = fn1(dl, el, al, bl, cl, m[2], 0x00000000, 15); al = rotl(al, 10)
+ cl = fn1(cl, dl, el, al, bl, m[3], 0x00000000, 12); el = rotl(el, 10)
+ bl = fn1(bl, cl, dl, el, al, m[4], 0x00000000, 5); dl = rotl(dl, 10)
+ al = fn1(al, bl, cl, dl, el, m[5], 0x00000000, 8); cl = rotl(cl, 10)
+ el = fn1(el, al, bl, cl, dl, m[6], 0x00000000, 7); bl = rotl(bl, 10)
+ dl = fn1(dl, el, al, bl, cl, m[7], 0x00000000, 9); al = rotl(al, 10)
+ cl = fn1(cl, dl, el, al, bl, m[8], 0x00000000, 11); el = rotl(el, 10)
+ bl = fn1(bl, cl, dl, el, al, m[9], 0x00000000, 13); dl = rotl(dl, 10)
+ al = fn1(al, bl, cl, dl, el, m[10], 0x00000000, 14); cl = rotl(cl, 10)
+ el = fn1(el, al, bl, cl, dl, m[11], 0x00000000, 15); bl = rotl(bl, 10)
+ dl = fn1(dl, el, al, bl, cl, m[12], 0x00000000, 6); al = rotl(al, 10)
+ cl = fn1(cl, dl, el, al, bl, m[13], 0x00000000, 7); el = rotl(el, 10)
+ bl = fn1(bl, cl, dl, el, al, m[14], 0x00000000, 9); dl = rotl(dl, 10)
+ al = fn1(al, bl, cl, dl, el, m[15], 0x00000000, 8); cl = rotl(cl, 10)
+
+ // Mj = 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8
+ // K = 0x5a827999
+ // Sj = 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12
+ el = fn2(el, al, bl, cl, dl, m[7], 0x5a827999, 7); bl = rotl(bl, 10)
+ dl = fn2(dl, el, al, bl, cl, m[4], 0x5a827999, 6); al = rotl(al, 10)
+ cl = fn2(cl, dl, el, al, bl, m[13], 0x5a827999, 8); el = rotl(el, 10)
+ bl = fn2(bl, cl, dl, el, al, m[1], 0x5a827999, 13); dl = rotl(dl, 10)
+ al = fn2(al, bl, cl, dl, el, m[10], 0x5a827999, 11); cl = rotl(cl, 10)
+ el = fn2(el, al, bl, cl, dl, m[6], 0x5a827999, 9); bl = rotl(bl, 10)
+ dl = fn2(dl, el, al, bl, cl, m[15], 0x5a827999, 7); al = rotl(al, 10)
+ cl = fn2(cl, dl, el, al, bl, m[3], 0x5a827999, 15); el = rotl(el, 10)
+ bl = fn2(bl, cl, dl, el, al, m[12], 0x5a827999, 7); dl = rotl(dl, 10)
+ al = fn2(al, bl, cl, dl, el, m[0], 0x5a827999, 12); cl = rotl(cl, 10)
+ el = fn2(el, al, bl, cl, dl, m[9], 0x5a827999, 15); bl = rotl(bl, 10)
+ dl = fn2(dl, el, al, bl, cl, m[5], 0x5a827999, 9); al = rotl(al, 10)
+ cl = fn2(cl, dl, el, al, bl, m[2], 0x5a827999, 11); el = rotl(el, 10)
+ bl = fn2(bl, cl, dl, el, al, m[14], 0x5a827999, 7); dl = rotl(dl, 10)
+ al = fn2(al, bl, cl, dl, el, m[11], 0x5a827999, 13); cl = rotl(cl, 10)
+ el = fn2(el, al, bl, cl, dl, m[8], 0x5a827999, 12); bl = rotl(bl, 10)
+
+ // Mj = 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12
+ // K = 0x6ed9eba1
+ // Sj = 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5
+ dl = fn3(dl, el, al, bl, cl, m[3], 0x6ed9eba1, 11); al = rotl(al, 10)
+ cl = fn3(cl, dl, el, al, bl, m[10], 0x6ed9eba1, 13); el = rotl(el, 10)
+ bl = fn3(bl, cl, dl, el, al, m[14], 0x6ed9eba1, 6); dl = rotl(dl, 10)
+ al = fn3(al, bl, cl, dl, el, m[4], 0x6ed9eba1, 7); cl = rotl(cl, 10)
+ el = fn3(el, al, bl, cl, dl, m[9], 0x6ed9eba1, 14); bl = rotl(bl, 10)
+ dl = fn3(dl, el, al, bl, cl, m[15], 0x6ed9eba1, 9); al = rotl(al, 10)
+ cl = fn3(cl, dl, el, al, bl, m[8], 0x6ed9eba1, 13); el = rotl(el, 10)
+ bl = fn3(bl, cl, dl, el, al, m[1], 0x6ed9eba1, 15); dl = rotl(dl, 10)
+ al = fn3(al, bl, cl, dl, el, m[2], 0x6ed9eba1, 14); cl = rotl(cl, 10)
+ el = fn3(el, al, bl, cl, dl, m[7], 0x6ed9eba1, 8); bl = rotl(bl, 10)
+ dl = fn3(dl, el, al, bl, cl, m[0], 0x6ed9eba1, 13); al = rotl(al, 10)
+ cl = fn3(cl, dl, el, al, bl, m[6], 0x6ed9eba1, 6); el = rotl(el, 10)
+ bl = fn3(bl, cl, dl, el, al, m[13], 0x6ed9eba1, 5); dl = rotl(dl, 10)
+ al = fn3(al, bl, cl, dl, el, m[11], 0x6ed9eba1, 12); cl = rotl(cl, 10)
+ el = fn3(el, al, bl, cl, dl, m[5], 0x6ed9eba1, 7); bl = rotl(bl, 10)
+ dl = fn3(dl, el, al, bl, cl, m[12], 0x6ed9eba1, 5); al = rotl(al, 10)
+
+ // Mj = 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2
+ // K = 0x8f1bbcdc
+ // Sj = 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12
+ cl = fn4(cl, dl, el, al, bl, m[1], 0x8f1bbcdc, 11); el = rotl(el, 10)
+ bl = fn4(bl, cl, dl, el, al, m[9], 0x8f1bbcdc, 12); dl = rotl(dl, 10)
+ al = fn4(al, bl, cl, dl, el, m[11], 0x8f1bbcdc, 14); cl = rotl(cl, 10)
+ el = fn4(el, al, bl, cl, dl, m[10], 0x8f1bbcdc, 15); bl = rotl(bl, 10)
+ dl = fn4(dl, el, al, bl, cl, m[0], 0x8f1bbcdc, 14); al = rotl(al, 10)
+ cl = fn4(cl, dl, el, al, bl, m[8], 0x8f1bbcdc, 15); el = rotl(el, 10)
+ bl = fn4(bl, cl, dl, el, al, m[12], 0x8f1bbcdc, 9); dl = rotl(dl, 10)
+ al = fn4(al, bl, cl, dl, el, m[4], 0x8f1bbcdc, 8); cl = rotl(cl, 10)
+ el = fn4(el, al, bl, cl, dl, m[13], 0x8f1bbcdc, 9); bl = rotl(bl, 10)
+ dl = fn4(dl, el, al, bl, cl, m[3], 0x8f1bbcdc, 14); al = rotl(al, 10)
+ cl = fn4(cl, dl, el, al, bl, m[7], 0x8f1bbcdc, 5); el = rotl(el, 10)
+ bl = fn4(bl, cl, dl, el, al, m[15], 0x8f1bbcdc, 6); dl = rotl(dl, 10)
+ al = fn4(al, bl, cl, dl, el, m[14], 0x8f1bbcdc, 8); cl = rotl(cl, 10)
+ el = fn4(el, al, bl, cl, dl, m[5], 0x8f1bbcdc, 6); bl = rotl(bl, 10)
+ dl = fn4(dl, el, al, bl, cl, m[6], 0x8f1bbcdc, 5); al = rotl(al, 10)
+ cl = fn4(cl, dl, el, al, bl, m[2], 0x8f1bbcdc, 12); el = rotl(el, 10)
+
+ // Mj = 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
+ // K = 0xa953fd4e
+ // Sj = 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
+ bl = fn5(bl, cl, dl, el, al, m[4], 0xa953fd4e, 9); dl = rotl(dl, 10)
+ al = fn5(al, bl, cl, dl, el, m[0], 0xa953fd4e, 15); cl = rotl(cl, 10)
+ el = fn5(el, al, bl, cl, dl, m[5], 0xa953fd4e, 5); bl = rotl(bl, 10)
+ dl = fn5(dl, el, al, bl, cl, m[9], 0xa953fd4e, 11); al = rotl(al, 10)
+ cl = fn5(cl, dl, el, al, bl, m[7], 0xa953fd4e, 6); el = rotl(el, 10)
+ bl = fn5(bl, cl, dl, el, al, m[12], 0xa953fd4e, 8); dl = rotl(dl, 10)
+ al = fn5(al, bl, cl, dl, el, m[2], 0xa953fd4e, 13); cl = rotl(cl, 10)
+ el = fn5(el, al, bl, cl, dl, m[10], 0xa953fd4e, 12); bl = rotl(bl, 10)
+ dl = fn5(dl, el, al, bl, cl, m[14], 0xa953fd4e, 5); al = rotl(al, 10)
+ cl = fn5(cl, dl, el, al, bl, m[1], 0xa953fd4e, 12); el = rotl(el, 10)
+ bl = fn5(bl, cl, dl, el, al, m[3], 0xa953fd4e, 13); dl = rotl(dl, 10)
+ al = fn5(al, bl, cl, dl, el, m[8], 0xa953fd4e, 14); cl = rotl(cl, 10)
+ el = fn5(el, al, bl, cl, dl, m[11], 0xa953fd4e, 11); bl = rotl(bl, 10)
+ dl = fn5(dl, el, al, bl, cl, m[6], 0xa953fd4e, 8); al = rotl(al, 10)
+ cl = fn5(cl, dl, el, al, bl, m[15], 0xa953fd4e, 5); el = rotl(el, 10)
+ bl = fn5(bl, cl, dl, el, al, m[13], 0xa953fd4e, 6); dl = rotl(dl, 10)
+
+ var ar = this._a
+ var br = this._b
+ var cr = this._c
+ var dr = this._d
+ var er = this._e
+
+ // M'j = 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12
+ // K' = 0x50a28be6
+ // S'j = 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6
+ ar = fn5(ar, br, cr, dr, er, m[5], 0x50a28be6, 8); cr = rotl(cr, 10)
+ er = fn5(er, ar, br, cr, dr, m[14], 0x50a28be6, 9); br = rotl(br, 10)
+ dr = fn5(dr, er, ar, br, cr, m[7], 0x50a28be6, 9); ar = rotl(ar, 10)
+ cr = fn5(cr, dr, er, ar, br, m[0], 0x50a28be6, 11); er = rotl(er, 10)
+ br = fn5(br, cr, dr, er, ar, m[9], 0x50a28be6, 13); dr = rotl(dr, 10)
+ ar = fn5(ar, br, cr, dr, er, m[2], 0x50a28be6, 15); cr = rotl(cr, 10)
+ er = fn5(er, ar, br, cr, dr, m[11], 0x50a28be6, 15); br = rotl(br, 10)
+ dr = fn5(dr, er, ar, br, cr, m[4], 0x50a28be6, 5); ar = rotl(ar, 10)
+ cr = fn5(cr, dr, er, ar, br, m[13], 0x50a28be6, 7); er = rotl(er, 10)
+ br = fn5(br, cr, dr, er, ar, m[6], 0x50a28be6, 7); dr = rotl(dr, 10)
+ ar = fn5(ar, br, cr, dr, er, m[15], 0x50a28be6, 8); cr = rotl(cr, 10)
+ er = fn5(er, ar, br, cr, dr, m[8], 0x50a28be6, 11); br = rotl(br, 10)
+ dr = fn5(dr, er, ar, br, cr, m[1], 0x50a28be6, 14); ar = rotl(ar, 10)
+ cr = fn5(cr, dr, er, ar, br, m[10], 0x50a28be6, 14); er = rotl(er, 10)
+ br = fn5(br, cr, dr, er, ar, m[3], 0x50a28be6, 12); dr = rotl(dr, 10)
+ ar = fn5(ar, br, cr, dr, er, m[12], 0x50a28be6, 6); cr = rotl(cr, 10)
+
+ // M'j = 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2
+ // K' = 0x5c4dd124
+ // S'j = 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11
+ er = fn4(er, ar, br, cr, dr, m[6], 0x5c4dd124, 9); br = rotl(br, 10)
+ dr = fn4(dr, er, ar, br, cr, m[11], 0x5c4dd124, 13); ar = rotl(ar, 10)
+ cr = fn4(cr, dr, er, ar, br, m[3], 0x5c4dd124, 15); er = rotl(er, 10)
+ br = fn4(br, cr, dr, er, ar, m[7], 0x5c4dd124, 7); dr = rotl(dr, 10)
+ ar = fn4(ar, br, cr, dr, er, m[0], 0x5c4dd124, 12); cr = rotl(cr, 10)
+ er = fn4(er, ar, br, cr, dr, m[13], 0x5c4dd124, 8); br = rotl(br, 10)
+ dr = fn4(dr, er, ar, br, cr, m[5], 0x5c4dd124, 9); ar = rotl(ar, 10)
+ cr = fn4(cr, dr, er, ar, br, m[10], 0x5c4dd124, 11); er = rotl(er, 10)
+ br = fn4(br, cr, dr, er, ar, m[14], 0x5c4dd124, 7); dr = rotl(dr, 10)
+ ar = fn4(ar, br, cr, dr, er, m[15], 0x5c4dd124, 7); cr = rotl(cr, 10)
+ er = fn4(er, ar, br, cr, dr, m[8], 0x5c4dd124, 12); br = rotl(br, 10)
+ dr = fn4(dr, er, ar, br, cr, m[12], 0x5c4dd124, 7); ar = rotl(ar, 10)
+ cr = fn4(cr, dr, er, ar, br, m[4], 0x5c4dd124, 6); er = rotl(er, 10)
+ br = fn4(br, cr, dr, er, ar, m[9], 0x5c4dd124, 15); dr = rotl(dr, 10)
+ ar = fn4(ar, br, cr, dr, er, m[1], 0x5c4dd124, 13); cr = rotl(cr, 10)
+ er = fn4(er, ar, br, cr, dr, m[2], 0x5c4dd124, 11); br = rotl(br, 10)
+
+ // M'j = 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13
+ // K' = 0x6d703ef3
+ // S'j = 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5
+ dr = fn3(dr, er, ar, br, cr, m[15], 0x6d703ef3, 9); ar = rotl(ar, 10)
+ cr = fn3(cr, dr, er, ar, br, m[5], 0x6d703ef3, 7); er = rotl(er, 10)
+ br = fn3(br, cr, dr, er, ar, m[1], 0x6d703ef3, 15); dr = rotl(dr, 10)
+ ar = fn3(ar, br, cr, dr, er, m[3], 0x6d703ef3, 11); cr = rotl(cr, 10)
+ er = fn3(er, ar, br, cr, dr, m[7], 0x6d703ef3, 8); br = rotl(br, 10)
+ dr = fn3(dr, er, ar, br, cr, m[14], 0x6d703ef3, 6); ar = rotl(ar, 10)
+ cr = fn3(cr, dr, er, ar, br, m[6], 0x6d703ef3, 6); er = rotl(er, 10)
+ br = fn3(br, cr, dr, er, ar, m[9], 0x6d703ef3, 14); dr = rotl(dr, 10)
+ ar = fn3(ar, br, cr, dr, er, m[11], 0x6d703ef3, 12); cr = rotl(cr, 10)
+ er = fn3(er, ar, br, cr, dr, m[8], 0x6d703ef3, 13); br = rotl(br, 10)
+ dr = fn3(dr, er, ar, br, cr, m[12], 0x6d703ef3, 5); ar = rotl(ar, 10)
+ cr = fn3(cr, dr, er, ar, br, m[2], 0x6d703ef3, 14); er = rotl(er, 10)
+ br = fn3(br, cr, dr, er, ar, m[10], 0x6d703ef3, 13); dr = rotl(dr, 10)
+ ar = fn3(ar, br, cr, dr, er, m[0], 0x6d703ef3, 13); cr = rotl(cr, 10)
+ er = fn3(er, ar, br, cr, dr, m[4], 0x6d703ef3, 7); br = rotl(br, 10)
+ dr = fn3(dr, er, ar, br, cr, m[13], 0x6d703ef3, 5); ar = rotl(ar, 10)
+
+ // M'j = 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14
+ // K' = 0x7a6d76e9
+ // S'j = 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8
+ cr = fn2(cr, dr, er, ar, br, m[8], 0x7a6d76e9, 15); er = rotl(er, 10)
+ br = fn2(br, cr, dr, er, ar, m[6], 0x7a6d76e9, 5); dr = rotl(dr, 10)
+ ar = fn2(ar, br, cr, dr, er, m[4], 0x7a6d76e9, 8); cr = rotl(cr, 10)
+ er = fn2(er, ar, br, cr, dr, m[1], 0x7a6d76e9, 11); br = rotl(br, 10)
+ dr = fn2(dr, er, ar, br, cr, m[3], 0x7a6d76e9, 14); ar = rotl(ar, 10)
+ cr = fn2(cr, dr, er, ar, br, m[11], 0x7a6d76e9, 14); er = rotl(er, 10)
+ br = fn2(br, cr, dr, er, ar, m[15], 0x7a6d76e9, 6); dr = rotl(dr, 10)
+ ar = fn2(ar, br, cr, dr, er, m[0], 0x7a6d76e9, 14); cr = rotl(cr, 10)
+ er = fn2(er, ar, br, cr, dr, m[5], 0x7a6d76e9, 6); br = rotl(br, 10)
+ dr = fn2(dr, er, ar, br, cr, m[12], 0x7a6d76e9, 9); ar = rotl(ar, 10)
+ cr = fn2(cr, dr, er, ar, br, m[2], 0x7a6d76e9, 12); er = rotl(er, 10)
+ br = fn2(br, cr, dr, er, ar, m[13], 0x7a6d76e9, 9); dr = rotl(dr, 10)
+ ar = fn2(ar, br, cr, dr, er, m[9], 0x7a6d76e9, 12); cr = rotl(cr, 10)
+ er = fn2(er, ar, br, cr, dr, m[7], 0x7a6d76e9, 5); br = rotl(br, 10)
+ dr = fn2(dr, er, ar, br, cr, m[10], 0x7a6d76e9, 15); ar = rotl(ar, 10)
+ cr = fn2(cr, dr, er, ar, br, m[14], 0x7a6d76e9, 8); er = rotl(er, 10)
+
+ // M'j = 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
+ // K' = 0x00000000
+ // S'j = 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
+ br = fn1(br, cr, dr, er, ar, m[12], 0x00000000, 8); dr = rotl(dr, 10)
+ ar = fn1(ar, br, cr, dr, er, m[15], 0x00000000, 5); cr = rotl(cr, 10)
+ er = fn1(er, ar, br, cr, dr, m[10], 0x00000000, 12); br = rotl(br, 10)
+ dr = fn1(dr, er, ar, br, cr, m[4], 0x00000000, 9); ar = rotl(ar, 10)
+ cr = fn1(cr, dr, er, ar, br, m[1], 0x00000000, 12); er = rotl(er, 10)
+ br = fn1(br, cr, dr, er, ar, m[5], 0x00000000, 5); dr = rotl(dr, 10)
+ ar = fn1(ar, br, cr, dr, er, m[8], 0x00000000, 14); cr = rotl(cr, 10)
+ er = fn1(er, ar, br, cr, dr, m[7], 0x00000000, 6); br = rotl(br, 10)
+ dr = fn1(dr, er, ar, br, cr, m[6], 0x00000000, 8); ar = rotl(ar, 10)
+ cr = fn1(cr, dr, er, ar, br, m[2], 0x00000000, 13); er = rotl(er, 10)
+ br = fn1(br, cr, dr, er, ar, m[13], 0x00000000, 6); dr = rotl(dr, 10)
+ ar = fn1(ar, br, cr, dr, er, m[14], 0x00000000, 5); cr = rotl(cr, 10)
+ er = fn1(er, ar, br, cr, dr, m[0], 0x00000000, 15); br = rotl(br, 10)
+ dr = fn1(dr, er, ar, br, cr, m[3], 0x00000000, 13); ar = rotl(ar, 10)
+ cr = fn1(cr, dr, er, ar, br, m[9], 0x00000000, 11); er = rotl(er, 10)
+ br = fn1(br, cr, dr, er, ar, m[11], 0x00000000, 11); dr = rotl(dr, 10)
+
+ // change state
+ var t = (this._b + cl + dr) | 0
+ this._b = (this._c + dl + er) | 0
+ this._c = (this._d + el + ar) | 0
+ this._d = (this._e + al + br) | 0
+ this._e = (this._a + bl + cr) | 0
+ this._a = t
+}
+
+RIPEMD160.prototype._digest = function () {
+ // create padding and handle blocks
+ this._block[this._blockOffset++] = 0x80
+ if (this._blockOffset > 56) {
+ this._block.fill(0, this._blockOffset, 64)
+ this._update()
+ this._blockOffset = 0
+ }
+
+ this._block.fill(0, this._blockOffset, 56)
+ this._block.writeUInt32LE(this._length[0], 56)
+ this._block.writeUInt32LE(this._length[1], 60)
+ this._update()
+
+ // produce result
+ var buffer = new Buffer(20)
+ buffer.writeInt32LE(this._a, 0)
+ buffer.writeInt32LE(this._b, 4)
+ buffer.writeInt32LE(this._c, 8)
+ buffer.writeInt32LE(this._d, 12)
+ buffer.writeInt32LE(this._e, 16)
+ return buffer
+}
- var pubKey = new ECPubKey(Q, parsed.compressed)
- return pubKey.getAddress(network).toString() === address.toString()
+function rotl (x, n) {
+ return (x << n) | (x >>> (32 - n))
}
-module.exports = {
- magicHash: magicHash,
- sign: sign,
- verify: verify
+function fn1 (a, b, c, d, e, m, k, s) {
+ return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + e) | 0
}
-}).call(this,require("buffer").Buffer)
-},{"./bufferutils":57,"./crypto":58,"./ecdsa":59,"./ecpubkey":61,"./ecsignature":62,"./networks":66,"bigi":3,"buffer":7,"ecurve":49}],66:[function(require,module,exports){
-// https://en.bitcoin.it/wiki/List_of_address_prefixes
-// Dogecoin BIP32 is a proposed standard: https://bitcointalk.org/index.php?topic=409731
+function fn2 (a, b, c, d, e, m, k, s) {
+ return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + e) | 0
+}
-var networks = {
- bitcoin: {
- magicPrefix: '\x18Bitcoin Signed Message:\n',
- bip32: {
- public: 0x0488b21e,
- private: 0x0488ade4
- },
- pubKeyHash: 0x00,
- scriptHash: 0x05,
- wif: 0x80,
- dustThreshold: 546, // https://github.com/bitcoin/bitcoin/blob/v0.9.2/src/core.h#L151-L162
- feePerKb: 10000, // https://github.com/bitcoin/bitcoin/blob/v0.9.2/src/main.cpp#L53
- estimateFee: estimateFee('bitcoin')
- },
- testnet: {
- magicPrefix: '\x18Bitcoin Signed Message:\n',
- bip32: {
- public: 0x043587cf,
- private: 0x04358394
- },
- pubKeyHash: 0x6f,
- scriptHash: 0xc4,
- wif: 0xef,
- dustThreshold: 546,
- feePerKb: 10000,
- estimateFee: estimateFee('testnet')
- },
- litecoin: {
- magicPrefix: '\x19Litecoin Signed Message:\n',
- bip32: {
- public: 0x019da462,
- private: 0x019d9cfe
- },
- pubKeyHash: 0x30,
- scriptHash: 0x05,
- wif: 0xb0,
- dustThreshold: 0, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.cpp#L360-L365
- dustSoftThreshold: 100000, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.h#L53
- feePerKb: 100000, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.cpp#L56
- estimateFee: estimateFee('litecoin')
- },
- dogecoin: {
- magicPrefix: '\x19Dogecoin Signed Message:\n',
- bip32: {
- public: 0x02facafd,
- private: 0x02fac398
- },
- pubKeyHash: 0x1e,
- scriptHash: 0x16,
- wif: 0x9e,
- dustThreshold: 0, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/core.h#L155-L160
- dustSoftThreshold: 100000000, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/main.h#L62
- feePerKb: 100000000, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/main.cpp#L58
- estimateFee: estimateFee('dogecoin')
- },
- viacoin: {
- magicPrefix: '\x18Viacoin Signed Message:\n',
- bip32: {
- public: 0x0488b21e,
- private: 0x0488ade4
- },
- pubKeyHash: 0x47,
- scriptHash: 0x21,
- wif: 0xc7,
- dustThreshold: 560,
- dustSoftThreshold: 100000,
- feePerKb: 100000, //
- estimateFee: estimateFee('viacoin')
- },
- viacointestnet: {
- magicPrefix: '\x18Viacoin Signed Message:\n',
- bip32: {
- public: 0x043587cf,
- private: 0x04358394
- },
- pubKeyHash: 0x7f,
- scriptHash: 0xc4,
- wif: 0xff,
- dustThreshold: 560,
- dustSoftThreshold: 100000,
- feePerKb: 100000,
- estimateFee: estimateFee('viacointestnet')
- },
- gamerscoin: {
- magicPrefix: '\x19Gamerscoin Signed Message:\n',
- bip32: {
- public: 0x019da462,
- private: 0x019d9cfe
- },
- pubKeyHash: 0x26,
- scriptHash: 0x05,
- wif: 0xA6,
- dustThreshold: 0, // https://github.com/gamers-coin/gamers-coinv3/blob/master/src/main.cpp#L358-L363
- dustSoftThreshold: 100000, // https://github.com/gamers-coin/gamers-coinv3/blob/master/src/main.cpp#L51
- feePerKb: 100000, // https://github.com/gamers-coin/gamers-coinv3/blob/master/src/main.cpp#L54
- estimateFee: estimateFee('gamerscoin')
- },
- jumbucks: {
- magicPrefix: '\x19Jumbucks Signed Message:\n',
- bip32: {
- public: 0x037a689a,
- private: 0x037a6460
- },
- pubKeyHash: 0x2b,
- scriptHash: 0x05,
- wif: 0xab,
- dustThreshold: 0,
- dustSoftThreshold: 10000,
- feePerKb: 10000,
- estimateFee: estimateFee('jumbucks')
- },
- zetacoin: {
- magicPrefix: '\x18Zetacoin Signed Message:\n',
- bip32: {
- public: 0x0488b21e,
- private: 0x0488ade4
- },
- pubKeyHash: 0x50,
- scriptHash: 0x09,
- wif: 0xe0,
- dustThreshold: 546, // https://github.com/zetacoin/zetacoin/blob/master/src/core.h#L159
- feePerKb: 10000, // https://github.com/zetacoin/zetacoin/blob/master/src/main.cpp#L54
- estimateFee: estimateFee('zetacoin')
- }
+function fn3 (a, b, c, d, e, m, k, s) {
+ return (rotl((a + ((b | (~c)) ^ d) + m + k) | 0, s) + e) | 0
}
-function estimateFee (type) {
- return function (tx) {
- var network = networks[type]
- var baseFee = network.feePerKb
- var byteSize = tx.toBuffer().length
+function fn4 (a, b, c, d, e, m, k, s) {
+ return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + e) | 0
+}
- var fee = baseFee * Math.ceil(byteSize / 1000)
- if (network.dustSoftThreshold === undefined) return fee
+function fn5 (a, b, c, d, e, m, k, s) {
+ return (rotl((a + (b ^ (c | (~d))) + m + k) | 0, s) + e) | 0
+}
- tx.outs.forEach(function (e) {
- if (e.value < network.dustSoftThreshold) {
- fee += baseFee
- }
- })
+module.exports = RIPEMD160
- return fee
- }
+}).call(this,require("buffer").Buffer)
+},{"buffer":4,"hash-base":92,"inherits":93}],98:[function(require,module,exports){
+arguments[4][26][0].apply(exports,arguments)
+},{"buffer":4,"dup":26}],99:[function(require,module,exports){
+(function (Buffer){
+// prototype class for hash functions
+function Hash (blockSize, finalSize) {
+ this._block = new Buffer(blockSize)
+ this._finalSize = finalSize
+ this._blockSize = blockSize
+ this._len = 0
+ this._s = 0
}
-module.exports = networks
+Hash.prototype.update = function (data, enc) {
+ if (typeof data === 'string') {
+ enc = enc || 'utf8'
+ data = new Buffer(data, enc)
+ }
-},{}],67:[function(require,module,exports){
-module.exports = {
- // push value
- OP_FALSE: 0,
- OP_0: 0,
- OP_PUSHDATA1: 76,
- OP_PUSHDATA2: 77,
- OP_PUSHDATA4: 78,
- OP_1NEGATE: 79,
- OP_RESERVED: 80,
- OP_1: 81,
- OP_TRUE: 81,
- OP_2: 82,
- OP_3: 83,
- OP_4: 84,
- OP_5: 85,
- OP_6: 86,
- OP_7: 87,
- OP_8: 88,
- OP_9: 89,
- OP_10: 90,
- OP_11: 91,
- OP_12: 92,
- OP_13: 93,
- OP_14: 94,
- OP_15: 95,
- OP_16: 96,
-
- // control
- OP_NOP: 97,
- OP_VER: 98,
- OP_IF: 99,
- OP_NOTIF: 100,
- OP_VERIF: 101,
- OP_VERNOTIF: 102,
- OP_ELSE: 103,
- OP_ENDIF: 104,
- OP_VERIFY: 105,
- OP_RETURN: 106,
-
- // stack ops
- OP_TOALTSTACK: 107,
- OP_FROMALTSTACK: 108,
- OP_2DROP: 109,
- OP_2DUP: 110,
- OP_3DUP: 111,
- OP_2OVER: 112,
- OP_2ROT: 113,
- OP_2SWAP: 114,
- OP_IFDUP: 115,
- OP_DEPTH: 116,
- OP_DROP: 117,
- OP_DUP: 118,
- OP_NIP: 119,
- OP_OVER: 120,
- OP_PICK: 121,
- OP_ROLL: 122,
- OP_ROT: 123,
- OP_SWAP: 124,
- OP_TUCK: 125,
-
- // splice ops
- OP_CAT: 126,
- OP_SUBSTR: 127,
- OP_LEFT: 128,
- OP_RIGHT: 129,
- OP_SIZE: 130,
-
- // bit logic
- OP_INVERT: 131,
- OP_AND: 132,
- OP_OR: 133,
- OP_XOR: 134,
- OP_EQUAL: 135,
- OP_EQUALVERIFY: 136,
- OP_RESERVED1: 137,
- OP_RESERVED2: 138,
-
- // numeric
- OP_1ADD: 139,
- OP_1SUB: 140,
- OP_2MUL: 141,
- OP_2DIV: 142,
- OP_NEGATE: 143,
- OP_ABS: 144,
- OP_NOT: 145,
- OP_0NOTEQUAL: 146,
-
- OP_ADD: 147,
- OP_SUB: 148,
- OP_MUL: 149,
- OP_DIV: 150,
- OP_MOD: 151,
- OP_LSHIFT: 152,
- OP_RSHIFT: 153,
-
- OP_BOOLAND: 154,
- OP_BOOLOR: 155,
- OP_NUMEQUAL: 156,
- OP_NUMEQUALVERIFY: 157,
- OP_NUMNOTEQUAL: 158,
- OP_LESSTHAN: 159,
- OP_GREATERTHAN: 160,
- OP_LESSTHANOREQUAL: 161,
- OP_GREATERTHANOREQUAL: 162,
- OP_MIN: 163,
- OP_MAX: 164,
-
- OP_WITHIN: 165,
-
- // crypto
- OP_RIPEMD160: 166,
- OP_SHA1: 167,
- OP_SHA256: 168,
- OP_HASH160: 169,
- OP_HASH256: 170,
- OP_CODESEPARATOR: 171,
- OP_CHECKSIG: 172,
- OP_CHECKSIGVERIFY: 173,
- OP_CHECKMULTISIG: 174,
- OP_CHECKMULTISIGVERIFY: 175,
-
- // expansion
- OP_NOP1: 176,
- OP_NOP2: 177,
- OP_NOP3: 178,
- OP_NOP4: 179,
- OP_NOP5: 180,
- OP_NOP6: 181,
- OP_NOP7: 182,
- OP_NOP8: 183,
- OP_NOP9: 184,
- OP_NOP10: 185,
-
- // template matching params
- OP_PUBKEYHASH: 253,
- OP_PUBKEY: 254,
- OP_INVALIDOPCODE: 255
-}
-
-},{}],68:[function(require,module,exports){
-(function (Buffer){
-var assert = require('assert')
-var bufferutils = require('./bufferutils')
-var crypto = require('./crypto')
-var typeForce = require('typeforce')
-var opcodes = require('./opcodes')
+ var l = this._len += data.length
+ var s = this._s || 0
+ var f = 0
+ var buffer = this._block
-function Script (buffer, chunks) {
- typeForce('Buffer', buffer)
- typeForce('Array', chunks)
+ while (s < l) {
+ var t = Math.min(data.length, f + this._blockSize - (s % this._blockSize))
+ var ch = (t - f)
- this.buffer = buffer
- this.chunks = chunks
-}
+ for (var i = 0; i < ch; i++) {
+ buffer[(s % this._blockSize) + i] = data[i + f]
+ }
-Script.fromASM = function (asm) {
- var strChunks = asm.split(' ')
- var chunks = strChunks.map(function (strChunk) {
- // opcode
- if (strChunk in opcodes) {
- return opcodes[strChunk]
+ s += ch
+ f += ch
- // data chunk
- } else {
- return new Buffer(strChunk, 'hex')
+ if ((s % this._blockSize) === 0) {
+ this._update(buffer)
}
- })
+ }
+ this._s = s
- return Script.fromChunks(chunks)
+ return this
}
-Script.fromBuffer = function (buffer) {
- var chunks = []
- var i = 0
+Hash.prototype.digest = function (enc) {
+ // Suppose the length of the message M, in bits, is l
+ var l = this._len * 8
- while (i < buffer.length) {
- var opcode = buffer.readUInt8(i)
+ // Append the bit 1 to the end of the message
+ this._block[this._len % this._blockSize] = 0x80
- // data chunk
- if ((opcode > opcodes.OP_0) && (opcode <= opcodes.OP_PUSHDATA4)) {
- var d = bufferutils.readPushDataInt(buffer, i)
+ // and then k zero bits, where k is the smallest non-negative solution to the equation (l + 1 + k) === finalSize mod blockSize
+ this._block.fill(0, this._len % this._blockSize + 1)
- // did reading a pushDataInt fail? return non-chunked script
- if (d === null) return new Script(buffer, [])
- i += d.size
+ if (l % (this._blockSize * 8) >= this._finalSize * 8) {
+ this._update(this._block)
+ this._block.fill(0)
+ }
- // attempt to read too much data?
- if (i + d.number > buffer.length) return new Script(buffer, [])
+ // to this append the block which is equal to the number l written in binary
+ // TODO: handle case where l is > Math.pow(2, 29)
+ this._block.writeInt32BE(l, this._blockSize - 4)
- var data = buffer.slice(i, i + d.number)
- i += d.number
+ var hash = this._update(this._block) || this._hash()
- chunks.push(data)
+ return enc ? hash.toString(enc) : hash
+}
- // opcode
- } else {
- chunks.push(opcode)
+Hash.prototype._update = function () {
+ throw new Error('_update must be implemented by subclass')
+}
- i += 1
- }
- }
+module.exports = Hash
- return new Script(buffer, chunks)
-}
+}).call(this,require("buffer").Buffer)
+},{"buffer":4}],100:[function(require,module,exports){
+var exports = module.exports = function SHA (algorithm) {
+ algorithm = algorithm.toLowerCase()
-Script.fromChunks = function (chunks) {
- typeForce('Array', chunks)
+ var Algorithm = exports[algorithm]
+ if (!Algorithm) throw new Error(algorithm + ' is not supported (we accept pull requests)')
- var bufferSize = chunks.reduce(function (accum, chunk) {
- // data chunk
- if (Buffer.isBuffer(chunk)) {
- return accum + bufferutils.pushDataSize(chunk.length) + chunk.length
- }
+ return new Algorithm()
+}
- // opcode
- return accum + 1
- }, 0.0)
+exports.sha = require('./sha')
+exports.sha1 = require('./sha1')
+exports.sha224 = require('./sha224')
+exports.sha256 = require('./sha256')
+exports.sha384 = require('./sha384')
+exports.sha512 = require('./sha512')
- var buffer = new Buffer(bufferSize)
- var offset = 0
+},{"./sha":101,"./sha1":102,"./sha224":103,"./sha256":104,"./sha384":105,"./sha512":106}],101:[function(require,module,exports){
+(function (Buffer){
+/*
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined
+ * in FIPS PUB 180-1
+ * This source code is derived from sha1.js of the same repository.
+ * The difference between SHA-0 and SHA-1 is just a bitwise rotate left
+ * operation was added.
+ */
- chunks.forEach(function (chunk) {
- // data chunk
- if (Buffer.isBuffer(chunk)) {
- offset += bufferutils.writePushDataInt(buffer, chunk.length, offset)
+var inherits = require('inherits')
+var Hash = require('./hash')
- chunk.copy(buffer, offset)
- offset += chunk.length
+var K = [
+ 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0
+]
- // opcode
- } else {
- buffer.writeUInt8(chunk, offset)
- offset += 1
- }
- })
+var W = new Array(80)
- assert.equal(offset, buffer.length, 'Could not decode chunks')
- return new Script(buffer, chunks)
-}
+function Sha () {
+ this.init()
+ this._w = W
-Script.fromHex = function (hex) {
- return Script.fromBuffer(new Buffer(hex, 'hex'))
+ Hash.call(this, 64, 56)
}
-Script.EMPTY = Script.fromChunks([])
+inherits(Sha, Hash)
-Script.prototype.getHash = function () {
- return crypto.hash160(this.buffer)
-}
+Sha.prototype.init = function () {
+ this._a = 0x67452301
+ this._b = 0xefcdab89
+ this._c = 0x98badcfe
+ this._d = 0x10325476
+ this._e = 0xc3d2e1f0
-// FIXME: doesn't work for data chunks, maybe time to use buffertools.compare...
-Script.prototype.without = function (needle) {
- return Script.fromChunks(this.chunks.filter(function (op) {
- return op !== needle
- }))
+ return this
}
-var reverseOps = []
-for (var op in opcodes) {
- var code = opcodes[op]
- reverseOps[code] = op
+function rotl5 (num) {
+ return (num << 5) | (num >>> 27)
}
-Script.prototype.toASM = function () {
- return this.chunks.map(function (chunk) {
- // data chunk
- if (Buffer.isBuffer(chunk)) {
- return chunk.toString('hex')
+function rotl30 (num) {
+ return (num << 30) | (num >>> 2)
+}
- // opcode
- } else {
- return reverseOps[chunk]
- }
- }).join(' ')
+function ft (s, b, c, d) {
+ if (s === 0) return (b & c) | ((~b) & d)
+ if (s === 2) return (b & c) | (b & d) | (c & d)
+ return b ^ c ^ d
}
-Script.prototype.toBuffer = function () {
- return this.buffer
+Sha.prototype._update = function (M) {
+ var W = this._w
+
+ var a = this._a | 0
+ var b = this._b | 0
+ var c = this._c | 0
+ var d = this._d | 0
+ var e = this._e | 0
+
+ for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
+ for (; i < 80; ++i) W[i] = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16]
+
+ for (var j = 0; j < 80; ++j) {
+ var s = ~~(j / 20)
+ var t = (rotl5(a) + ft(s, b, c, d) + e + W[j] + K[s]) | 0
+
+ e = d
+ d = c
+ c = rotl30(b)
+ b = a
+ a = t
+ }
+
+ this._a = (a + this._a) | 0
+ this._b = (b + this._b) | 0
+ this._c = (c + this._c) | 0
+ this._d = (d + this._d) | 0
+ this._e = (e + this._e) | 0
}
-Script.prototype.toHex = function () {
- return this.toBuffer().toString('hex')
+Sha.prototype._hash = function () {
+ var H = new Buffer(20)
+
+ H.writeInt32BE(this._a | 0, 0)
+ H.writeInt32BE(this._b | 0, 4)
+ H.writeInt32BE(this._c | 0, 8)
+ H.writeInt32BE(this._d | 0, 12)
+ H.writeInt32BE(this._e | 0, 16)
+
+ return H
}
-module.exports = Script
+module.exports = Sha
}).call(this,require("buffer").Buffer)
-},{"./bufferutils":57,"./crypto":58,"./opcodes":67,"assert":5,"buffer":7,"typeforce":53}],69:[function(require,module,exports){
+},{"./hash":99,"buffer":4,"inherits":93}],102:[function(require,module,exports){
(function (Buffer){
-var assert = require('assert')
-var ops = require('./opcodes')
-var typeForce = require('typeforce')
-
-var ecurve = require('ecurve')
-var curve = ecurve.getCurveByName('secp256k1')
+/*
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
+ * in FIPS PUB 180-1
+ * Version 2.1a Copyright Paul Johnston 2000 - 2002.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for details.
+ */
-var ECSignature = require('./ecsignature')
-var Script = require('./script')
+var inherits = require('inherits')
+var Hash = require('./hash')
-function isCanonicalPubKey (buffer) {
- if (!Buffer.isBuffer(buffer)) return false
+var K = [
+ 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0
+]
- try {
- ecurve.Point.decodeFrom(curve, buffer)
- } catch (e) {
- if (!(e.message.match(/Invalid sequence (length|tag)/)))
- throw e
+var W = new Array(80)
- return false
- }
+function Sha1 () {
+ this.init()
+ this._w = W
- return true
+ Hash.call(this, 64, 56)
}
-function isCanonicalSignature (buffer) {
- if (!Buffer.isBuffer(buffer)) return false
-
- try {
- ECSignature.parseScriptSignature(buffer)
- } catch (e) {
- if (!(e.message.match(/Not a DER sequence|Invalid sequence length|Expected a DER integer|R length is zero|S length is zero|R value excessively padded|S value excessively padded|R value is negative|S value is negative|Invalid hashType/))) {
- throw e
- }
+inherits(Sha1, Hash)
- return false
- }
+Sha1.prototype.init = function () {
+ this._a = 0x67452301
+ this._b = 0xefcdab89
+ this._c = 0x98badcfe
+ this._d = 0x10325476
+ this._e = 0xc3d2e1f0
- return true
+ return this
}
-function isPubKeyHashInput (script) {
- return script.chunks.length === 2 &&
- isCanonicalSignature(script.chunks[0]) &&
- isCanonicalPubKey(script.chunks[1])
+function rotl1 (num) {
+ return (num << 1) | (num >>> 31)
}
-function isPubKeyHashOutput (script) {
- return script.chunks.length === 5 &&
- script.chunks[0] === ops.OP_DUP &&
- script.chunks[1] === ops.OP_HASH160 &&
- Buffer.isBuffer(script.chunks[2]) &&
- script.chunks[2].length === 20 &&
- script.chunks[3] === ops.OP_EQUALVERIFY &&
- script.chunks[4] === ops.OP_CHECKSIG
+function rotl5 (num) {
+ return (num << 5) | (num >>> 27)
}
-function isPubKeyInput (script) {
- return script.chunks.length === 1 &&
- isCanonicalSignature(script.chunks[0])
+function rotl30 (num) {
+ return (num << 30) | (num >>> 2)
}
-function isPubKeyOutput (script) {
- return script.chunks.length === 2 &&
- isCanonicalPubKey(script.chunks[0]) &&
- script.chunks[1] === ops.OP_CHECKSIG
+function ft (s, b, c, d) {
+ if (s === 0) return (b & c) | ((~b) & d)
+ if (s === 2) return (b & c) | (b & d) | (c & d)
+ return b ^ c ^ d
}
-function isScriptHashInput (script, allowIncomplete) {
- if (script.chunks.length < 2) return false
+Sha1.prototype._update = function (M) {
+ var W = this._w
- var lastChunk = script.chunks[script.chunks.length - 1]
- if (!Buffer.isBuffer(lastChunk)) return false
+ var a = this._a | 0
+ var b = this._b | 0
+ var c = this._c | 0
+ var d = this._d | 0
+ var e = this._e | 0
- var scriptSig = Script.fromChunks(script.chunks.slice(0, -1))
- var redeemScript = Script.fromBuffer(lastChunk)
+ for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
+ for (; i < 80; ++i) W[i] = rotl1(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16])
- // is redeemScript a valid script?
- if (redeemScript.chunks.length === 0) return false
+ for (var j = 0; j < 80; ++j) {
+ var s = ~~(j / 20)
+ var t = (rotl5(a) + ft(s, b, c, d) + e + W[j] + K[s]) | 0
- return classifyInput(scriptSig, allowIncomplete) === classifyOutput(redeemScript)
-}
+ e = d
+ d = c
+ c = rotl30(b)
+ b = a
+ a = t
+ }
-function isScriptHashOutput (script) {
- return script.chunks.length === 3 &&
- script.chunks[0] === ops.OP_HASH160 &&
- Buffer.isBuffer(script.chunks[1]) &&
- script.chunks[1].length === 20 &&
- script.chunks[2] === ops.OP_EQUAL
+ this._a = (a + this._a) | 0
+ this._b = (b + this._b) | 0
+ this._c = (c + this._c) | 0
+ this._d = (d + this._d) | 0
+ this._e = (e + this._e) | 0
}
-// allowIncomplete is to account for combining signatures
-// See https://github.com/bitcoin/bitcoin/blob/f425050546644a36b0b8e0eb2f6934a3e0f6f80f/src/script/sign.cpp#L195-L197
-function isMultisigInput (script, allowIncomplete) {
- if (script.chunks.length < 2) return false
- if (script.chunks[0] !== ops.OP_0) return false
+Sha1.prototype._hash = function () {
+ var H = new Buffer(20)
- if (allowIncomplete) {
- return script.chunks.slice(1).every(function (chunk) {
- return chunk === ops.OP_0 || isCanonicalSignature(chunk)
- })
- }
+ H.writeInt32BE(this._a | 0, 0)
+ H.writeInt32BE(this._b | 0, 4)
+ H.writeInt32BE(this._c | 0, 8)
+ H.writeInt32BE(this._d | 0, 12)
+ H.writeInt32BE(this._e | 0, 16)
- return script.chunks.slice(1).every(isCanonicalSignature)
+ return H
}
-function isMultisigOutput (script) {
- if (script.chunks.length < 4) return false
- if (script.chunks[script.chunks.length - 1] !== ops.OP_CHECKMULTISIG) return false
+module.exports = Sha1
- var mOp = script.chunks[0]
- if (mOp === ops.OP_0) return false
- if (mOp < ops.OP_1) return false
- if (mOp > ops.OP_16) return false
+}).call(this,require("buffer").Buffer)
+},{"./hash":99,"buffer":4,"inherits":93}],103:[function(require,module,exports){
+(function (Buffer){
+/**
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
+ * in FIPS 180-2
+ * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ *
+ */
- var nOp = script.chunks[script.chunks.length - 2]
- if (nOp === ops.OP_0) return false
- if (nOp < ops.OP_1) return false
- if (nOp > ops.OP_16) return false
+var inherits = require('inherits')
+var Sha256 = require('./sha256')
+var Hash = require('./hash')
- var m = mOp - (ops.OP_1 - 1)
- var n = nOp - (ops.OP_1 - 1)
- if (n < m) return false
+var W = new Array(64)
- var pubKeys = script.chunks.slice(1, -2)
- if (n < pubKeys.length) return false
+function Sha224 () {
+ this.init()
- return pubKeys.every(isCanonicalPubKey)
-}
+ this._w = W // new Array(64)
-function isNullDataOutput (script) {
- return script.chunks[0] === ops.OP_RETURN
+ Hash.call(this, 64, 56)
}
-function classifyOutput (script) {
- typeForce('Script', script)
+inherits(Sha224, Sha256)
- if (isPubKeyHashOutput(script)) {
- return 'pubkeyhash'
- } else if (isScriptHashOutput(script)) {
- return 'scripthash'
- } else if (isMultisigOutput(script)) {
- return 'multisig'
- } else if (isPubKeyOutput(script)) {
- return 'pubkey'
- } else if (isNullDataOutput(script)) {
- return 'nulldata'
- }
+Sha224.prototype.init = function () {
+ this._a = 0xc1059ed8
+ this._b = 0x367cd507
+ this._c = 0x3070dd17
+ this._d = 0xf70e5939
+ this._e = 0xffc00b31
+ this._f = 0x68581511
+ this._g = 0x64f98fa7
+ this._h = 0xbefa4fa4
- return 'nonstandard'
+ return this
}
-function classifyInput (script, allowIncomplete) {
- typeForce('Script', script)
+Sha224.prototype._hash = function () {
+ var H = new Buffer(28)
- if (isPubKeyHashInput(script)) {
- return 'pubkeyhash'
- } else if (isMultisigInput(script, allowIncomplete)) {
- return 'multisig'
- } else if (isScriptHashInput(script, allowIncomplete)) {
- return 'scripthash'
- } else if (isPubKeyInput(script)) {
- return 'pubkey'
- }
+ H.writeInt32BE(this._a, 0)
+ H.writeInt32BE(this._b, 4)
+ H.writeInt32BE(this._c, 8)
+ H.writeInt32BE(this._d, 12)
+ H.writeInt32BE(this._e, 16)
+ H.writeInt32BE(this._f, 20)
+ H.writeInt32BE(this._g, 24)
- return 'nonstandard'
+ return H
}
-// Standard Script Templates
-// {pubKey} OP_CHECKSIG
-function pubKeyOutput (pubKey) {
- return Script.fromChunks([
- pubKey.toBuffer(),
- ops.OP_CHECKSIG
- ])
-}
+module.exports = Sha224
-// OP_DUP OP_HASH160 {pubKeyHash} OP_EQUALVERIFY OP_CHECKSIG
-function pubKeyHashOutput (hash) {
- typeForce('Buffer', hash)
-
- return Script.fromChunks([
- ops.OP_DUP,
- ops.OP_HASH160,
- hash,
- ops.OP_EQUALVERIFY,
- ops.OP_CHECKSIG
- ])
-}
+}).call(this,require("buffer").Buffer)
+},{"./hash":99,"./sha256":104,"buffer":4,"inherits":93}],104:[function(require,module,exports){
+(function (Buffer){
+/**
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
+ * in FIPS 180-2
+ * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ *
+ */
-// OP_HASH160 {scriptHash} OP_EQUAL
-function scriptHashOutput (hash) {
- typeForce('Buffer', hash)
+var inherits = require('inherits')
+var Hash = require('./hash')
- return Script.fromChunks([
- ops.OP_HASH160,
- hash,
- ops.OP_EQUAL
- ])
-}
+var K = [
+ 0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
+ 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
+ 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
+ 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
+ 0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
+ 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
+ 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
+ 0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
+ 0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
+ 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
+ 0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
+ 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
+ 0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
+ 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
+ 0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
+ 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2
+]
-// m [pubKeys ...] n OP_CHECKMULTISIG
-function multisigOutput (m, pubKeys) {
- typeForce(['ECPubKey'], pubKeys)
+var W = new Array(64)
- assert(pubKeys.length >= m, 'Not enough pubKeys provided')
+function Sha256 () {
+ this.init()
- var pubKeyBuffers = pubKeys.map(function (pubKey) {
- return pubKey.toBuffer()
- })
- var n = pubKeys.length
+ this._w = W // new Array(64)
- return Script.fromChunks([].concat(
- (ops.OP_1 - 1) + m,
- pubKeyBuffers,
- (ops.OP_1 - 1) + n,
- ops.OP_CHECKMULTISIG
- ))
+ Hash.call(this, 64, 56)
}
-// {signature}
-function pubKeyInput (signature) {
- typeForce('Buffer', signature)
-
- return Script.fromChunks([signature])
-}
+inherits(Sha256, Hash)
-// {signature} {pubKey}
-function pubKeyHashInput (signature, pubKey) {
- typeForce('Buffer', signature)
+Sha256.prototype.init = function () {
+ this._a = 0x6a09e667
+ this._b = 0xbb67ae85
+ this._c = 0x3c6ef372
+ this._d = 0xa54ff53a
+ this._e = 0x510e527f
+ this._f = 0x9b05688c
+ this._g = 0x1f83d9ab
+ this._h = 0x5be0cd19
- return Script.fromChunks([signature, pubKey.toBuffer()])
+ return this
}
-// <scriptSig> {serialized scriptPubKey script}
-function scriptHashInput (scriptSig, scriptPubKey) {
- return Script.fromChunks([].concat(
- scriptSig.chunks,
- scriptPubKey.toBuffer()
- ))
+function ch (x, y, z) {
+ return z ^ (x & (y ^ z))
}
-// OP_0 [signatures ...]
-function multisigInput (signatures, scriptPubKey) {
- if (scriptPubKey) {
- assert(isMultisigOutput(scriptPubKey))
-
- var mOp = scriptPubKey.chunks[0]
- var nOp = scriptPubKey.chunks[scriptPubKey.chunks.length - 2]
- var m = mOp - (ops.OP_1 - 1)
- var n = nOp - (ops.OP_1 - 1)
-
- assert(signatures.length >= m, 'Not enough signatures provided')
- assert(signatures.length <= n, 'Too many signatures provided')
- }
-
- return Script.fromChunks([].concat(ops.OP_0, signatures))
+function maj (x, y, z) {
+ return (x & y) | (z & (x | y))
}
-function nullDataOutput (data) {
- return Script.fromChunks([ops.OP_RETURN, data])
+function sigma0 (x) {
+ return (x >>> 2 | x << 30) ^ (x >>> 13 | x << 19) ^ (x >>> 22 | x << 10)
}
-module.exports = {
- isCanonicalPubKey: isCanonicalPubKey,
- isCanonicalSignature: isCanonicalSignature,
- isPubKeyHashInput: isPubKeyHashInput,
- isPubKeyHashOutput: isPubKeyHashOutput,
- isPubKeyInput: isPubKeyInput,
- isPubKeyOutput: isPubKeyOutput,
- isScriptHashInput: isScriptHashInput,
- isScriptHashOutput: isScriptHashOutput,
- isMultisigInput: isMultisigInput,
- isMultisigOutput: isMultisigOutput,
- isNullDataOutput: isNullDataOutput,
- classifyOutput: classifyOutput,
- classifyInput: classifyInput,
- pubKeyOutput: pubKeyOutput,
- pubKeyHashOutput: pubKeyHashOutput,
- scriptHashOutput: scriptHashOutput,
- multisigOutput: multisigOutput,
- pubKeyInput: pubKeyInput,
- pubKeyHashInput: pubKeyHashInput,
- scriptHashInput: scriptHashInput,
- multisigInput: multisigInput,
- dataOutput: function (data) {
- console.warn('dataOutput is deprecated, use nullDataOutput by 2.0.0')
- return nullDataOutput(data)
- },
- nullDataOutput: nullDataOutput
+function sigma1 (x) {
+ return (x >>> 6 | x << 26) ^ (x >>> 11 | x << 21) ^ (x >>> 25 | x << 7)
}
-}).call(this,require("buffer").Buffer)
-},{"./ecsignature":62,"./opcodes":67,"./script":68,"assert":5,"buffer":7,"ecurve":49,"typeforce":53}],70:[function(require,module,exports){
-(function (Buffer){
-var assert = require('assert')
-var bufferutils = require('./bufferutils')
-var crypto = require('./crypto')
-var typeForce = require('typeforce')
-var opcodes = require('./opcodes')
-var scripts = require('./scripts')
-
-var Address = require('./address')
-var ECSignature = require('./ecsignature')
-var Script = require('./script')
-
-function Transaction () {
- this.version = 1
- this.locktime = 0
- this.ins = []
- this.outs = []
+function gamma0 (x) {
+ return (x >>> 7 | x << 25) ^ (x >>> 18 | x << 14) ^ (x >>> 3)
}
-Transaction.DEFAULT_SEQUENCE = 0xffffffff
-Transaction.SIGHASH_ALL = 0x01
-Transaction.SIGHASH_NONE = 0x02
-Transaction.SIGHASH_SINGLE = 0x03
-Transaction.SIGHASH_ANYONECANPAY = 0x80
+function gamma1 (x) {
+ return (x >>> 17 | x << 15) ^ (x >>> 19 | x << 13) ^ (x >>> 10)
+}
-Transaction.fromBuffer = function (buffer, __disableAssert) {
- var offset = 0
- function readSlice (n) {
- offset += n
- return buffer.slice(offset - n, offset)
- }
+Sha256.prototype._update = function (M) {
+ var W = this._w
- function readUInt32 () {
- var i = buffer.readUInt32LE(offset)
- offset += 4
- return i
- }
+ var a = this._a | 0
+ var b = this._b | 0
+ var c = this._c | 0
+ var d = this._d | 0
+ var e = this._e | 0
+ var f = this._f | 0
+ var g = this._g | 0
+ var h = this._h | 0
- function readUInt64 () {
- var i = bufferutils.readUInt64LE(buffer, offset)
- offset += 8
- return i
- }
+ for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
+ for (; i < 64; ++i) W[i] = (gamma1(W[i - 2]) + W[i - 7] + gamma0(W[i - 15]) + W[i - 16]) | 0
- function readVarInt () {
- var vi = bufferutils.readVarInt(buffer, offset)
- offset += vi.size
- return vi.number
- }
+ for (var j = 0; j < 64; ++j) {
+ var T1 = (h + sigma1(e) + ch(e, f, g) + K[j] + W[j]) | 0
+ var T2 = (sigma0(a) + maj(a, b, c)) | 0
- function readScript () {
- return Script.fromBuffer(readSlice(readVarInt()))
+ h = g
+ g = f
+ f = e
+ e = (d + T1) | 0
+ d = c
+ c = b
+ b = a
+ a = (T1 + T2) | 0
}
- function readGenerationScript () {
- return new Script(readSlice(readVarInt()), [])
- }
+ this._a = (a + this._a) | 0
+ this._b = (b + this._b) | 0
+ this._c = (c + this._c) | 0
+ this._d = (d + this._d) | 0
+ this._e = (e + this._e) | 0
+ this._f = (f + this._f) | 0
+ this._g = (g + this._g) | 0
+ this._h = (h + this._h) | 0
+}
- var tx = new Transaction()
- tx.version = readUInt32()
+Sha256.prototype._hash = function () {
+ var H = new Buffer(32)
- var vinLen = readVarInt()
- for (var i = 0; i < vinLen; ++i) {
- var hash = readSlice(32)
-
- if (Transaction.isCoinbaseHash(hash)) {
- tx.ins.push({
- hash: hash,
- index: readUInt32(),
- script: readGenerationScript(),
- sequence: readUInt32()
- })
- } else {
- tx.ins.push({
- hash: hash,
- index: readUInt32(),
- script: readScript(),
- sequence: readUInt32()
- })
- }
- }
+ H.writeInt32BE(this._a, 0)
+ H.writeInt32BE(this._b, 4)
+ H.writeInt32BE(this._c, 8)
+ H.writeInt32BE(this._d, 12)
+ H.writeInt32BE(this._e, 16)
+ H.writeInt32BE(this._f, 20)
+ H.writeInt32BE(this._g, 24)
+ H.writeInt32BE(this._h, 28)
- var voutLen = readVarInt()
- for (i = 0; i < voutLen; ++i) {
- tx.outs.push({
- value: readUInt64(),
- script: readScript()
- })
- }
+ return H
+}
- tx.locktime = readUInt32()
+module.exports = Sha256
- if (!__disableAssert) {
- assert.equal(offset, buffer.length, 'Transaction has unexpected data')
- }
+}).call(this,require("buffer").Buffer)
+},{"./hash":99,"buffer":4,"inherits":93}],105:[function(require,module,exports){
+(function (Buffer){
+var inherits = require('inherits')
+var SHA512 = require('./sha512')
+var Hash = require('./hash')
- return tx
-}
+var W = new Array(160)
-Transaction.fromHex = function (hex) {
- return Transaction.fromBuffer(new Buffer(hex, 'hex'))
-}
+function Sha384 () {
+ this.init()
+ this._w = W
-Transaction.isCoinbaseHash = function (buffer) {
- return Array.prototype.every.call(buffer, function (x) {
- return x === 0
- })
+ Hash.call(this, 128, 112)
}
-/**
- * Create a new txIn.
- *
- * Can be called with any of:
- *
- * - A transaction and an index
- * - A transaction hash and an index
- *
- * Note that this method does not sign the created input.
- */
-Transaction.prototype.addInput = function (hash, index, sequence, script) {
- if (sequence === undefined || sequence === null) {
- sequence = Transaction.DEFAULT_SEQUENCE
- }
-
- script = script || Script.EMPTY
-
- if (typeof hash === 'string') {
- // TxId hex is big-endian, we need little-endian
- hash = bufferutils.reverse(new Buffer(hash, 'hex'))
- } else if (hash instanceof Transaction) {
- hash = hash.getHash()
- }
+inherits(Sha384, SHA512)
- typeForce('Buffer', hash)
- typeForce('Number', index)
- typeForce('Number', sequence)
- typeForce('Script', script)
+Sha384.prototype.init = function () {
+ this._ah = 0xcbbb9d5d
+ this._bh = 0x629a292a
+ this._ch = 0x9159015a
+ this._dh = 0x152fecd8
+ this._eh = 0x67332667
+ this._fh = 0x8eb44a87
+ this._gh = 0xdb0c2e0d
+ this._hh = 0x47b5481d
- assert.equal(hash.length, 32, 'Expected hash length of 32, got ' + hash.length)
+ this._al = 0xc1059ed8
+ this._bl = 0x367cd507
+ this._cl = 0x3070dd17
+ this._dl = 0xf70e5939
+ this._el = 0xffc00b31
+ this._fl = 0x68581511
+ this._gl = 0x64f98fa7
+ this._hl = 0xbefa4fa4
- // Add the input and return the input's index
- return (this.ins.push({
- hash: hash,
- index: index,
- script: script,
- sequence: sequence
- }) - 1)
+ return this
}
-/**
- * Create a new txOut.
- *
- * Can be called with:
- *
- * - A base58 address string and a value
- * - An Address object and a value
- * - A scriptPubKey Script and a value
- */
-Transaction.prototype.addOutput = function (scriptPubKey, value) {
- // Attempt to get a valid address if it's a base58 address string
- if (typeof scriptPubKey === 'string') {
- scriptPubKey = Address.fromBase58Check(scriptPubKey)
- }
+Sha384.prototype._hash = function () {
+ var H = new Buffer(48)
- // Attempt to get a valid script if it's an Address object
- if (scriptPubKey instanceof Address) {
- scriptPubKey = scriptPubKey.toOutputScript()
+ function writeInt64BE (h, l, offset) {
+ H.writeInt32BE(h, offset)
+ H.writeInt32BE(l, offset + 4)
}
- typeForce('Script', scriptPubKey)
- typeForce('Number', value)
+ writeInt64BE(this._ah, this._al, 0)
+ writeInt64BE(this._bh, this._bl, 8)
+ writeInt64BE(this._ch, this._cl, 16)
+ writeInt64BE(this._dh, this._dl, 24)
+ writeInt64BE(this._eh, this._el, 32)
+ writeInt64BE(this._fh, this._fl, 40)
- // Add the output and return the output's index
- return (this.outs.push({
- script: scriptPubKey,
- value: value
- }) - 1)
+ return H
}
-Transaction.prototype.clone = function () {
- var newTx = new Transaction()
- newTx.version = this.version
- newTx.locktime = this.locktime
-
- newTx.ins = this.ins.map(function (txIn) {
- return {
- hash: txIn.hash,
- index: txIn.index,
- script: txIn.script,
- sequence: txIn.sequence
- }
- })
+module.exports = Sha384
- newTx.outs = this.outs.map(function (txOut) {
- return {
- script: txOut.script,
- value: txOut.value
- }
- })
+}).call(this,require("buffer").Buffer)
+},{"./hash":99,"./sha512":106,"buffer":4,"inherits":93}],106:[function(require,module,exports){
+(function (Buffer){
+var inherits = require('inherits')
+var Hash = require('./hash')
- return newTx
-}
+var K = [
+ 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
+ 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
+ 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
+ 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
+ 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
+ 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
+ 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
+ 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
+ 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
+ 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
+ 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
+ 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
+ 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
+ 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
+ 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
+ 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
+ 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
+ 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
+ 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
+ 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
+ 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
+ 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
+ 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
+ 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
+ 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
+ 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
+ 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
+ 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
+ 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
+ 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
+ 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
+ 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
+ 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
+ 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
+ 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
+ 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
+ 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
+ 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
+ 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
+ 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
+]
-/**
- * Hash transaction for signing a specific input.
- *
- * Bitcoin uses a different hash for each signed transaction input. This
- * method copies the transaction, makes the necessary changes based on the
- * hashType, serializes and finally hashes the result. This hash can then be
- * used to sign the transaction input in question.
- */
-Transaction.prototype.hashForSignature = function (inIndex, prevOutScript, hashType) {
- // FIXME: remove in 2.x.y
- if (arguments[0] instanceof Script) {
- console.warn('hashForSignature(prevOutScript, inIndex, ...) has been deprecated. Use hashForSignature(inIndex, prevOutScript, ...)')
+var W = new Array(160)
- // swap the arguments (must be stored in tmp, arguments is special)
- var tmp = arguments[0]
- inIndex = arguments[1]
- prevOutScript = tmp
- }
+function Sha512 () {
+ this.init()
+ this._w = W
- typeForce('Number', inIndex)
- typeForce('Script', prevOutScript)
- typeForce('Number', hashType)
+ Hash.call(this, 128, 112)
+}
- assert(inIndex >= 0, 'Invalid vin index')
- assert(inIndex < this.ins.length, 'Invalid vin index')
+inherits(Sha512, Hash)
- var txTmp = this.clone()
- var hashScript = prevOutScript.without(opcodes.OP_CODESEPARATOR)
+Sha512.prototype.init = function () {
+ this._ah = 0x6a09e667
+ this._bh = 0xbb67ae85
+ this._ch = 0x3c6ef372
+ this._dh = 0xa54ff53a
+ this._eh = 0x510e527f
+ this._fh = 0x9b05688c
+ this._gh = 0x1f83d9ab
+ this._hh = 0x5be0cd19
- // Blank out other inputs' signatures
- txTmp.ins.forEach(function (txIn) {
- txIn.script = Script.EMPTY
- })
- txTmp.ins[inIndex].script = hashScript
+ this._al = 0xf3bcc908
+ this._bl = 0x84caa73b
+ this._cl = 0xfe94f82b
+ this._dl = 0x5f1d36f1
+ this._el = 0xade682d1
+ this._fl = 0x2b3e6c1f
+ this._gl = 0xfb41bd6b
+ this._hl = 0x137e2179
- var hashTypeModifier = hashType & 0x1f
+ return this
+}
- if (hashTypeModifier === Transaction.SIGHASH_NONE) {
- assert(false, 'SIGHASH_NONE not yet supported')
- } else if (hashTypeModifier === Transaction.SIGHASH_SINGLE) {
- assert(false, 'SIGHASH_SINGLE not yet supported')
- }
+function Ch (x, y, z) {
+ return z ^ (x & (y ^ z))
+}
- if (hashType & Transaction.SIGHASH_ANYONECANPAY) {
- assert(false, 'SIGHASH_ANYONECANPAY not yet supported')
- }
+function maj (x, y, z) {
+ return (x & y) | (z & (x | y))
+}
- var hashTypeBuffer = new Buffer(4)
- hashTypeBuffer.writeInt32LE(hashType, 0)
+function sigma0 (x, xl) {
+ return (x >>> 28 | xl << 4) ^ (xl >>> 2 | x << 30) ^ (xl >>> 7 | x << 25)
+}
- var buffer = Buffer.concat([txTmp.toBuffer(), hashTypeBuffer])
- return crypto.hash256(buffer)
+function sigma1 (x, xl) {
+ return (x >>> 14 | xl << 18) ^ (x >>> 18 | xl << 14) ^ (xl >>> 9 | x << 23)
}
-Transaction.prototype.getHash = function () {
- return crypto.hash256(this.toBuffer())
+function Gamma0 (x, xl) {
+ return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7)
}
-Transaction.prototype.getId = function () {
- // TxHash is little-endian, we need big-endian
- return bufferutils.reverse(this.getHash()).toString('hex')
+function Gamma0l (x, xl) {
+ return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7 | xl << 25)
}
-Transaction.prototype.toBuffer = function () {
- function scriptSize (script) {
- var length = script.buffer.length
+function Gamma1 (x, xl) {
+ return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6)
+}
- return bufferutils.varIntSize(length) + length
- }
+function Gamma1l (x, xl) {
+ return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6 | xl << 26)
+}
- var buffer = new Buffer(
- 8 +
- bufferutils.varIntSize(this.ins.length) +
- bufferutils.varIntSize(this.outs.length) +
- this.ins.reduce(function (sum, input) { return sum + 40 + scriptSize(input.script) }, 0) +
- this.outs.reduce(function (sum, output) { return sum + 8 + scriptSize(output.script) }, 0)
- )
+function getCarry (a, b) {
+ return (a >>> 0) < (b >>> 0) ? 1 : 0
+}
- var offset = 0
- function writeSlice (slice) {
- slice.copy(buffer, offset)
- offset += slice.length
- }
+Sha512.prototype._update = function (M) {
+ var W = this._w
- function writeUInt32 (i) {
- buffer.writeUInt32LE(i, offset)
- offset += 4
- }
+ var ah = this._ah | 0
+ var bh = this._bh | 0
+ var ch = this._ch | 0
+ var dh = this._dh | 0
+ var eh = this._eh | 0
+ var fh = this._fh | 0
+ var gh = this._gh | 0
+ var hh = this._hh | 0
- function writeUInt64 (i) {
- bufferutils.writeUInt64LE(buffer, i, offset)
- offset += 8
- }
+ var al = this._al | 0
+ var bl = this._bl | 0
+ var cl = this._cl | 0
+ var dl = this._dl | 0
+ var el = this._el | 0
+ var fl = this._fl | 0
+ var gl = this._gl | 0
+ var hl = this._hl | 0
- function writeVarInt (i) {
- var n = bufferutils.writeVarInt(buffer, i, offset)
- offset += n
+ for (var i = 0; i < 32; i += 2) {
+ W[i] = M.readInt32BE(i * 4)
+ W[i + 1] = M.readInt32BE(i * 4 + 4)
}
+ for (; i < 160; i += 2) {
+ var xh = W[i - 15 * 2]
+ var xl = W[i - 15 * 2 + 1]
+ var gamma0 = Gamma0(xh, xl)
+ var gamma0l = Gamma0l(xl, xh)
- writeUInt32(this.version)
- writeVarInt(this.ins.length)
-
- this.ins.forEach(function (txIn) {
- writeSlice(txIn.hash)
- writeUInt32(txIn.index)
- writeVarInt(txIn.script.buffer.length)
- writeSlice(txIn.script.buffer)
- writeUInt32(txIn.sequence)
- })
+ xh = W[i - 2 * 2]
+ xl = W[i - 2 * 2 + 1]
+ var gamma1 = Gamma1(xh, xl)
+ var gamma1l = Gamma1l(xl, xh)
- writeVarInt(this.outs.length)
- this.outs.forEach(function (txOut) {
- writeUInt64(txOut.value)
- writeVarInt(txOut.script.buffer.length)
- writeSlice(txOut.script.buffer)
- })
+ // W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16]
+ var Wi7h = W[i - 7 * 2]
+ var Wi7l = W[i - 7 * 2 + 1]
- writeUInt32(this.locktime)
+ var Wi16h = W[i - 16 * 2]
+ var Wi16l = W[i - 16 * 2 + 1]
- return buffer
-}
+ var Wil = (gamma0l + Wi7l) | 0
+ var Wih = (gamma0 + Wi7h + getCarry(Wil, gamma0l)) | 0
+ Wil = (Wil + gamma1l) | 0
+ Wih = (Wih + gamma1 + getCarry(Wil, gamma1l)) | 0
+ Wil = (Wil + Wi16l) | 0
+ Wih = (Wih + Wi16h + getCarry(Wil, Wi16l)) | 0
-Transaction.prototype.toHex = function () {
- return this.toBuffer().toString('hex')
-}
+ W[i] = Wih
+ W[i + 1] = Wil
+ }
-Transaction.prototype.setInputScript = function (index, script) {
- typeForce('Number', index)
- typeForce('Script', script)
+ for (var j = 0; j < 160; j += 2) {
+ Wih = W[j]
+ Wil = W[j + 1]
- this.ins[index].script = script
-}
+ var majh = maj(ah, bh, ch)
+ var majl = maj(al, bl, cl)
-// FIXME: remove in 2.x.y
-Transaction.prototype.sign = function (index, privKey, hashType) {
- console.warn('Transaction.prototype.sign is deprecated. Use TransactionBuilder instead.')
+ var sigma0h = sigma0(ah, al)
+ var sigma0l = sigma0(al, ah)
+ var sigma1h = sigma1(eh, el)
+ var sigma1l = sigma1(el, eh)
- var prevOutScript = privKey.pub.getAddress().toOutputScript()
- var signature = this.signInput(index, prevOutScript, privKey, hashType)
+ // t1 = h + sigma1 + ch + K[j] + W[j]
+ var Kih = K[j]
+ var Kil = K[j + 1]
- var scriptSig = scripts.pubKeyHashInput(signature, privKey.pub)
- this.setInputScript(index, scriptSig)
-}
+ var chh = Ch(eh, fh, gh)
+ var chl = Ch(el, fl, gl)
+
+ var t1l = (hl + sigma1l) | 0
+ var t1h = (hh + sigma1h + getCarry(t1l, hl)) | 0
+ t1l = (t1l + chl) | 0
+ t1h = (t1h + chh + getCarry(t1l, chl)) | 0
+ t1l = (t1l + Kil) | 0
+ t1h = (t1h + Kih + getCarry(t1l, Kil)) | 0
+ t1l = (t1l + Wil) | 0
+ t1h = (t1h + Wih + getCarry(t1l, Wil)) | 0
-// FIXME: remove in 2.x.y
-Transaction.prototype.signInput = function (index, prevOutScript, privKey, hashType) {
- console.warn('Transaction.prototype.signInput is deprecated. Use TransactionBuilder instead.')
+ // t2 = sigma0 + maj
+ var t2l = (sigma0l + majl) | 0
+ var t2h = (sigma0h + majh + getCarry(t2l, sigma0l)) | 0
- hashType = hashType || Transaction.SIGHASH_ALL
+ hh = gh
+ hl = gl
+ gh = fh
+ gl = fl
+ fh = eh
+ fl = el
+ el = (dl + t1l) | 0
+ eh = (dh + t1h + getCarry(el, dl)) | 0
+ dh = ch
+ dl = cl
+ ch = bh
+ cl = bl
+ bh = ah
+ bl = al
+ al = (t1l + t2l) | 0
+ ah = (t1h + t2h + getCarry(al, t1l)) | 0
+ }
- var hash = this.hashForSignature(index, prevOutScript, hashType)
- var signature = privKey.sign(hash)
+ this._al = (this._al + al) | 0
+ this._bl = (this._bl + bl) | 0
+ this._cl = (this._cl + cl) | 0
+ this._dl = (this._dl + dl) | 0
+ this._el = (this._el + el) | 0
+ this._fl = (this._fl + fl) | 0
+ this._gl = (this._gl + gl) | 0
+ this._hl = (this._hl + hl) | 0
- return signature.toScriptSignature(hashType)
+ this._ah = (this._ah + ah + getCarry(this._al, al)) | 0
+ this._bh = (this._bh + bh + getCarry(this._bl, bl)) | 0
+ this._ch = (this._ch + ch + getCarry(this._cl, cl)) | 0
+ this._dh = (this._dh + dh + getCarry(this._dl, dl)) | 0
+ this._eh = (this._eh + eh + getCarry(this._el, el)) | 0
+ this._fh = (this._fh + fh + getCarry(this._fl, fl)) | 0
+ this._gh = (this._gh + gh + getCarry(this._gl, gl)) | 0
+ this._hh = (this._hh + hh + getCarry(this._hl, hl)) | 0
}
-// FIXME: remove in 2.x.y
-Transaction.prototype.validateInput = function (index, prevOutScript, pubKey, buffer) {
- console.warn('Transaction.prototype.validateInput is deprecated. Use TransactionBuilder instead.')
+Sha512.prototype._hash = function () {
+ var H = new Buffer(64)
+
+ function writeInt64BE (h, l, offset) {
+ H.writeInt32BE(h, offset)
+ H.writeInt32BE(l, offset + 4)
+ }
- var parsed = ECSignature.parseScriptSignature(buffer)
- var hash = this.hashForSignature(index, prevOutScript, parsed.hashType)
+ writeInt64BE(this._ah, this._al, 0)
+ writeInt64BE(this._bh, this._bl, 8)
+ writeInt64BE(this._ch, this._cl, 16)
+ writeInt64BE(this._dh, this._dl, 24)
+ writeInt64BE(this._eh, this._el, 32)
+ writeInt64BE(this._fh, this._fl, 40)
+ writeInt64BE(this._gh, this._gl, 48)
+ writeInt64BE(this._hh, this._hl, 56)
- return pubKey.verify(hash, parsed.signature)
+ return H
}
-module.exports = Transaction
+module.exports = Sha512
}).call(this,require("buffer").Buffer)
-},{"./address":54,"./bufferutils":57,"./crypto":58,"./ecsignature":62,"./opcodes":67,"./script":68,"./scripts":69,"assert":5,"buffer":7,"typeforce":53}],71:[function(require,module,exports){
-(function (Buffer){
-var assert = require('assert')
-var ops = require('./opcodes')
-var scripts = require('./scripts')
-
-var ECPubKey = require('./ecpubkey')
-var ECSignature = require('./ecsignature')
-var Script = require('./script')
-var Transaction = require('./transaction')
-
-function extractInput (txIn) {
- var redeemScript
- var scriptSig = txIn.script
- var prevOutScript
- var prevOutType = scripts.classifyInput(scriptSig, true)
- var scriptType
-
- // Re-classify if scriptHash
- if (prevOutType === 'scripthash') {
- redeemScript = Script.fromBuffer(scriptSig.chunks.slice(-1)[0])
- prevOutScript = scripts.scriptHashOutput(redeemScript.getHash())
+},{"./hash":99,"buffer":4,"inherits":93}],107:[function(require,module,exports){
+var inherits = require('inherits')
+var native = require('./native')
- scriptSig = Script.fromChunks(scriptSig.chunks.slice(0, -1))
- scriptType = scripts.classifyInput(scriptSig, true)
- } else {
- scriptType = prevOutType
- }
+function TfTypeError (type, value, valueTypeName) {
+ this.__error = Error.call(this)
+ this.__type = type
+ this.__value = value
+ this.__valueTypeName = valueTypeName
- // Extract hashType, pubKeys and signatures
- var hashType, parsed, pubKeys, signatures
+ var message
+ Object.defineProperty(this, 'message', {
+ enumerable: true,
+ get: function () {
+ if (message) return message
- switch (scriptType) {
- case 'pubkeyhash': {
- parsed = ECSignature.parseScriptSignature(scriptSig.chunks[0])
- hashType = parsed.hashType
- pubKeys = [ECPubKey.fromBuffer(scriptSig.chunks[1])]
- signatures = [parsed.signature]
- prevOutScript = pubKeys[0].getAddress().toOutputScript()
+ valueTypeName = valueTypeName || getValueTypeName(value)
+ message = tfErrorString(type, value, valueTypeName)
- break
+ return message
}
+ })
+}
- case 'pubkey': {
- parsed = ECSignature.parseScriptSignature(scriptSig.chunks[0])
- hashType = parsed.hashType
- signatures = [parsed.signature]
+function TfPropertyTypeError (type, property, label, value, error, valueTypeName) {
+ this.__error = error || Error.call(this)
+ this.__label = label
+ this.__property = property
+ this.__type = type
+ this.__value = value
+ this.__valueTypeName = valueTypeName
- if (redeemScript) {
- pubKeys = [ECPubKey.fromBuffer(redeemScript.chunks[0])]
+ var message
+ Object.defineProperty(this, 'message', {
+ enumerable: true,
+ get: function () {
+ if (message) return message
+ if (type) {
+ valueTypeName = valueTypeName || getValueTypeName(value)
+ message = tfPropertyErrorString(type, label, property, value, valueTypeName)
+ } else {
+ message = 'Unexpected property "' + property + '"'
}
- break
+ return message
}
+ })
+}
- case 'multisig': {
- signatures = scriptSig.chunks.slice(1).map(function (chunk) {
- if (chunk === ops.OP_0) return chunk
-
- var parsed = ECSignature.parseScriptSignature(chunk)
- hashType = parsed.hashType
+// inherit from Error, assign stack
+[TfTypeError, TfPropertyTypeError].forEach(function (tfErrorType) {
+ inherits(tfErrorType, Error)
+ Object.defineProperty(tfErrorType, 'stack', {
+ get: function () { return this.__error.stack }
+ })
+})
- return parsed.signature
- })
+function tfCustomError (expected, actual) {
+ return new TfTypeError(expected, {}, actual)
+}
- if (redeemScript) {
- pubKeys = redeemScript.chunks.slice(1, -2).map(ECPubKey.fromBuffer)
- }
+function tfSubError (e, property, label) {
+ // sub child?
+ if (e instanceof TfPropertyTypeError) {
+ property = property + '.' + e.__property
+ label = e.__label
- break
- }
+ return new TfPropertyTypeError(
+ e.__type, property, label, e.__value, e.__error, e.__valueTypeName
+ )
}
- return {
- hashType: hashType,
- prevOutScript: prevOutScript,
- prevOutType: prevOutType,
- pubKeys: pubKeys,
- redeemScript: redeemScript,
- scriptType: scriptType,
- signatures: signatures
+ // child?
+ if (e instanceof TfTypeError) {
+ return new TfPropertyTypeError(
+ e.__type, property, label, e.__value, e.__error, e.__valueTypeName
+ )
}
-}
-
-function TransactionBuilder () {
- this.prevTxMap = {}
- this.prevOutScripts = {}
- this.prevOutTypes = {}
- this.inputs = []
- this.tx = new Transaction()
+ return e
}
-TransactionBuilder.fromTransaction = function (transaction) {
- var txb = new TransactionBuilder()
-
- // Copy other transaction fields
- txb.tx.version = transaction.version
- txb.tx.locktime = transaction.locktime
+function getTypeName (fn) {
+ return fn.name || fn.toString().match(/function (.*?)\s*\(/)[1]
+}
- // Extract/add inputs
- transaction.ins.forEach(function (txIn) {
- txb.addInput(txIn.hash, txIn.index, txIn.sequence)
- })
+function getValueTypeName (value) {
+ return native.Nil(value) ? '' : getTypeName(value.constructor)
+}
- // Extract/add outputs
- transaction.outs.forEach(function (txOut) {
- txb.addOutput(txOut.script, txOut.value)
- })
+function getValue (value) {
+ if (native.Function(value)) return ''
+ if (native.String(value)) return JSON.stringify(value)
+ if (value && native.Object(value)) return ''
+ return value
+}
- // Extract/add signatures
- txb.inputs = transaction.ins.map(function (txIn) {
- // TODO: remove me after testcase added
- assert(!Transaction.isCoinbaseHash(txIn.hash), 'coinbase inputs not supported')
+function tfJSON (type) {
+ if (native.Function(type)) return type.toJSON ? type.toJSON() : getTypeName(type)
+ if (native.Array(type)) return 'Array'
+ if (type && native.Object(type)) return 'Object'
- // Ignore empty scripts
- if (txIn.script.buffer.length === 0) return {}
+ return type !== undefined ? type : ''
+}
- return extractInput(txIn)
- })
+function tfErrorString (type, value, valueTypeName) {
+ var valueJson = getValue(value)
- return txb
+ return 'Expected ' + tfJSON(type) + ', got' +
+ (valueTypeName !== '' ? ' ' + valueTypeName : '') +
+ (valueJson !== '' ? ' ' + valueJson : '')
}
-TransactionBuilder.prototype.addInput = function (prevTx, index, sequence, prevOutScript) {
- var prevOutHash
+function tfPropertyErrorString (type, label, name, value, valueTypeName) {
+ var description = '" of type '
+ if (label === 'key') description = '" with key type '
- // txId
- if (typeof prevTx === 'string') {
- prevOutHash = new Buffer(prevTx, 'hex')
-
- // TxId hex is big-endian, we want little-endian hash
- Array.prototype.reverse.call(prevOutHash)
+ return tfErrorString('property "' + tfJSON(name) + description + tfJSON(type), value, valueTypeName)
+}
- // Transaction
- } else if (prevTx instanceof Transaction) {
- prevOutHash = prevTx.getHash()
- prevOutScript = prevTx.outs[index].script
+module.exports = {
+ TfTypeError: TfTypeError,
+ TfPropertyTypeError: TfPropertyTypeError,
+ tfCustomError: tfCustomError,
+ tfSubError: tfSubError,
+ tfJSON: tfJSON,
+ getValueTypeName: getValueTypeName
+}
- // txHash
- } else {
- prevOutHash = prevTx
- }
+},{"./native":110,"inherits":93}],108:[function(require,module,exports){
+(function (Buffer){
+var NATIVE = require('./native')
+var ERRORS = require('./errors')
- var input = {}
- if (prevOutScript) {
- var prevOutType = scripts.classifyOutput(prevOutScript)
+function _Buffer (value) {
+ return Buffer.isBuffer(value)
+}
- // if we can, extract pubKey information
- switch (prevOutType) {
- case 'multisig': {
- input.pubKeys = prevOutScript.chunks.slice(1, -2).map(ECPubKey.fromBuffer)
- break
- }
+function Hex (value) {
+ return typeof value === 'string' && /^([0-9a-f]{2})+$/i.test(value)
+}
- case 'pubkey': {
- input.pubKeys = prevOutScript.chunks.slice(0, 1).map(ECPubKey.fromBuffer)
- break
- }
- }
+function _LengthN (type, length) {
+ var name = type.toJSON()
- if (prevOutType !== 'scripthash') {
- input.scriptType = prevOutType
- }
+ function Length (value) {
+ if (!type(value)) return false
+ if (value.length === length) return true
- input.prevOutScript = prevOutScript
- input.prevOutType = prevOutType
+ throw ERRORS.tfCustomError(name + '(Length: ' + length + ')', name + '(Length: ' + value.length + ')')
}
+ Length.toJSON = function () { return name }
- assert(this.inputs.every(function (input2) {
- if (input2.hashType === undefined) return true
+ return Length
+}
- return input2.hashType & Transaction.SIGHASH_ANYONECANPAY
- }), 'No, this would invalidate signatures')
+var _ArrayN = _LengthN.bind(null, NATIVE.Array)
+var _BufferN = _LengthN.bind(null, _Buffer)
+var _HexN = _LengthN.bind(null, Hex)
- var prevOut = prevOutHash.toString('hex') + ':' + index
- assert(!(prevOut in this.prevTxMap), 'Transaction is already an input')
+var UINT53_MAX = Math.pow(2, 53) - 1
- var vin = this.tx.addInput(prevOutHash, index, sequence)
- this.inputs[vin] = input
- this.prevTxMap[prevOut] = vin
+function Finite (value) {
+ return typeof value === 'number' && isFinite(value)
+}
+function Int8 (value) { return ((value << 24) >> 24) === value }
+function Int16 (value) { return ((value << 16) >> 16) === value }
+function Int32 (value) { return (value | 0) === value }
+function UInt8 (value) { return (value & 0xff) === value }
+function UInt16 (value) { return (value & 0xffff) === value }
+function UInt32 (value) { return (value >>> 0) === value }
+function UInt53 (value) {
+ return typeof value === 'number' &&
+ value >= 0 &&
+ value <= UINT53_MAX &&
+ Math.floor(value) === value
+}
- return vin
+var types = {
+ ArrayN: _ArrayN,
+ Buffer: _Buffer,
+ BufferN: _BufferN,
+ Finite: Finite,
+ Hex: Hex,
+ HexN: _HexN,
+ Int8: Int8,
+ Int16: Int16,
+ Int32: Int32,
+ UInt8: UInt8,
+ UInt16: UInt16,
+ UInt32: UInt32,
+ UInt53: UInt53
}
-TransactionBuilder.prototype.addOutput = function (scriptPubKey, value) {
- assert(this.inputs.every(function (input) {
- if (input.hashType === undefined) return true
+for (var typeName in types) {
+ types[typeName].toJSON = function (t) {
+ return t
+ }.bind(null, typeName)
+}
- return (input.hashType & 0x1f) === Transaction.SIGHASH_SINGLE
- }), 'No, this would invalidate signatures')
+module.exports = types
- return this.tx.addOutput(scriptPubKey, value)
-}
+}).call(this,{"isBuffer":require("../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js")})
+},{"../../../../../.nvm/versions/node/v6.0.0/lib/node_modules/browserify/node_modules/is-buffer/index.js":9,"./errors":107,"./native":110}],109:[function(require,module,exports){
+var ERRORS = require('./errors')
+var NATIVE = require('./native')
-TransactionBuilder.prototype.build = function () {
- return this.__build(false)
-}
-TransactionBuilder.prototype.buildIncomplete = function () {
- return this.__build(true)
-}
+// short-hand
+var tfJSON = ERRORS.tfJSON
+var TfTypeError = ERRORS.TfTypeError
+var TfPropertyTypeError = ERRORS.TfPropertyTypeError
+var tfSubError = ERRORS.tfSubError
+var getValueTypeName = ERRORS.getValueTypeName
-var canSignTypes = {
- 'pubkeyhash': true,
- 'multisig': true,
- 'pubkey': true
-}
+var TYPES = {
+ arrayOf: function arrayOf (type) {
+ type = compile(type)
-TransactionBuilder.prototype.__build = function (allowIncomplete) {
- if (!allowIncomplete) {
- assert(this.tx.ins.length > 0, 'Transaction has no inputs')
- assert(this.tx.outs.length > 0, 'Transaction has no outputs')
- }
+ function _arrayOf (array, strict) {
+ if (!NATIVE.Array(array)) return false
- var tx = this.tx.clone()
+ return array.every(function (value, i) {
+ try {
+ return typeforce(type, value, strict)
+ } catch (e) {
+ throw tfSubError(e, i)
+ }
+ })
+ }
+ _arrayOf.toJSON = function () { return '[' + tfJSON(type) + ']' }
+
+ return _arrayOf
+ },
- // Create script signatures from signature meta-data
- this.inputs.forEach(function (input, index) {
- var scriptType = input.scriptType
- var scriptSig
+ maybe: function maybe (type) {
+ type = compile(type)
- if (!allowIncomplete) {
- assert(!!scriptType, 'Transaction is not complete')
- assert(scriptType in canSignTypes, scriptType + ' not supported')
- assert(input.signatures, 'Transaction is missing signatures')
+ function _maybe (value, strict) {
+ return NATIVE.Nil(value) || type(value, strict, maybe)
}
+ _maybe.toJSON = function () { return '?' + tfJSON(type) }
- if (input.signatures) {
- switch (scriptType) {
- case 'pubkeyhash': {
- var pkhSignature = input.signatures[0].toScriptSignature(input.hashType)
- scriptSig = scripts.pubKeyHashInput(pkhSignature, input.pubKeys[0])
- break
- }
+ return _maybe
+ },
- case 'multisig': {
- // Array.prototype.map is sparse-compatible
- var msSignatures = input.signatures.map(function (signature) {
- return signature && signature.toScriptSignature(input.hashType)
- })
+ map: function map (propertyType, propertyKeyType) {
+ propertyType = compile(propertyType)
+ if (propertyKeyType) propertyKeyType = compile(propertyKeyType)
- // fill in blanks with OP_0
- if (allowIncomplete) {
- for (var i = 0; i < msSignatures.length; ++i) {
- if (msSignatures[i]) continue
+ function _map (value, strict) {
+ if (!NATIVE.Object(value, strict)) return false
+ if (NATIVE.Nil(value, strict)) return false
- msSignatures[i] = ops.OP_0
- }
- } else {
- // Array.prototype.filter returns non-sparse array
- msSignatures = msSignatures.filter(function (x) { return x })
+ for (var propertyName in value) {
+ try {
+ if (propertyKeyType) {
+ typeforce(propertyKeyType, propertyName, strict)
}
-
- var redeemScript = allowIncomplete ? undefined : input.redeemScript
- scriptSig = scripts.multisigInput(msSignatures, redeemScript)
- break
+ } catch (e) {
+ throw tfSubError(e, propertyName, 'key')
}
- case 'pubkey': {
- var pkSignature = input.signatures[0].toScriptSignature(input.hashType)
- scriptSig = scripts.pubKeyInput(pkSignature)
- break
+ try {
+ var propertyValue = value[propertyName]
+ typeforce(propertyType, propertyValue, strict)
+ } catch (e) {
+ throw tfSubError(e, propertyName)
}
}
+
+ return true
}
- // did we build a scriptSig?
- if (scriptSig) {
- // wrap as scriptHash if necessary
- if (input.prevOutType === 'scripthash') {
- scriptSig = scripts.scriptHashInput(scriptSig, input.redeemScript)
+ if (propertyKeyType) {
+ _map.toJSON = function () {
+ return '{' + tfJSON(propertyKeyType) + ': ' + tfJSON(propertyType) + '}'
}
-
- tx.setInputScript(index, scriptSig)
+ } else {
+ _map.toJSON = function () { return '{' + tfJSON(propertyType) + '}' }
}
- })
- return tx
-}
-
-TransactionBuilder.prototype.sign = function (index, privKey, redeemScript, hashType) {
- assert(index in this.inputs, 'No input at index: ' + index)
- hashType = hashType || Transaction.SIGHASH_ALL
+ return _map
+ },
- var input = this.inputs[index]
- var canSign = input.hashType &&
- input.prevOutScript &&
- input.prevOutType &&
- input.pubKeys &&
- input.scriptType &&
- input.signatures
+ object: function object (uncompiled) {
+ var type = {}
- // are we almost ready to sign?
- if (canSign) {
- // if redeemScript was provided, enforce consistency
- if (redeemScript) {
- assert.deepEqual(input.redeemScript, redeemScript, 'Inconsistent redeemScript')
+ for (var typePropertyName in uncompiled) {
+ type[typePropertyName] = compile(uncompiled[typePropertyName])
}
- assert.equal(input.hashType, hashType, 'Inconsistent hashType')
-
- // no? prepare
- } else {
- // must be pay-to-scriptHash?
- if (redeemScript) {
- // if we have a prevOutScript, enforce scriptHash equality to the redeemScript
- if (input.prevOutScript) {
- assert.equal(input.prevOutType, 'scripthash', 'PrevOutScript must be P2SH')
+ function _object (value, strict) {
+ if (!NATIVE.Object(value)) return false
+ if (NATIVE.Nil(value)) return false
- var scriptHash = input.prevOutScript.chunks[1]
- assert.deepEqual(scriptHash, redeemScript.getHash(), 'RedeemScript does not match ' + scriptHash.toString('hex'))
- }
+ var propertyName
- var scriptType = scripts.classifyOutput(redeemScript)
- assert(scriptType in canSignTypes, 'RedeemScript not supported (' + scriptType + ')')
+ try {
+ for (propertyName in type) {
+ var propertyType = type[propertyName]
+ var propertyValue = value[propertyName]
- var pubKeys = []
- switch (scriptType) {
- case 'multisig': {
- pubKeys = redeemScript.chunks.slice(1, -2).map(ECPubKey.fromBuffer)
- break
+ typeforce(propertyType, propertyValue, strict)
}
+ } catch (e) {
+ throw tfSubError(e, propertyName)
+ }
- case 'pubkeyhash': {
- var pkh1 = redeemScript.chunks[2]
- var pkh2 = privKey.pub.getAddress().hash
-
- assert.deepEqual(pkh1, pkh2, 'privateKey cannot sign for this input')
- pubKeys = [privKey.pub]
- break
- }
+ if (strict) {
+ for (propertyName in value) {
+ if (type[propertyName]) continue
- case 'pubkey': {
- pubKeys = redeemScript.chunks.slice(0, 1).map(ECPubKey.fromBuffer)
- break
+ throw new TfPropertyTypeError(undefined, propertyName)
}
}
- if (!input.prevOutScript) {
- input.prevOutScript = scripts.scriptHashOutput(redeemScript.getHash())
- input.prevOutType = 'scripthash'
- }
-
- input.pubKeys = pubKeys
- input.redeemScript = redeemScript
- input.scriptType = scriptType
+ return true
+ }
+ _object.toJSON = function () { return tfJSON(type) }
- // cannot be pay-to-scriptHash
- } else {
- assert.notEqual(input.prevOutType, 'scripthash', 'PrevOutScript is P2SH, missing redeemScript')
+ return _object
+ },
- // can we otherwise sign this?
- if (input.scriptType) {
- assert(input.pubKeys, input.scriptType + ' not supported')
+ oneOf: function oneOf () {
+ var types = [].slice.call(arguments).map(compile)
- // we know nothin' Jon Snow, assume pubKeyHash
- } else {
- input.prevOutScript = privKey.pub.getAddress().toOutputScript()
- input.prevOutType = 'pubkeyhash'
- input.pubKeys = [privKey.pub]
- input.scriptType = input.prevOutType
- }
+ function _oneOf (value, strict) {
+ return types.some(function (type) {
+ try {
+ return typeforce(type, value, strict)
+ } catch (e) {
+ return false
+ }
+ })
}
+ _oneOf.toJSON = function () { return types.map(tfJSON).join('|') }
- input.hashType = hashType
- input.signatures = input.signatures || []
- }
+ return _oneOf
+ },
- var signatureScript = input.redeemScript || input.prevOutScript
- var signatureHash = this.tx.hashForSignature(index, signatureScript, hashType)
+ quacksLike: function quacksLike (type) {
+ function _quacksLike (value) {
+ return type === getValueTypeName(value)
+ }
+ _quacksLike.toJSON = function () { return type }
- // enforce signature order matches public keys
- if (input.scriptType === 'multisig' && input.redeemScript && input.signatures.length !== input.pubKeys.length) {
- // maintain a local copy of unmatched signatures
- var unmatched = input.signatures.slice()
+ return _quacksLike
+ },
- input.signatures = input.pubKeys.map(function (pubKey) {
- var match
+ tuple: function tuple () {
+ var types = [].slice.call(arguments).map(compile)
- // check for any matching signatures
- unmatched.some(function (signature, i) {
- if (!pubKey.verify(signatureHash, signature)) return false
- match = signature
+ function _tuple (values, strict) {
+ return types.every(function (type, i) {
+ try {
+ return typeforce(type, values[i], strict)
+ } catch (e) {
+ throw tfSubError(e, i)
+ }
+ }) && (!strict || values.length === arguments.length)
+ }
+ _tuple.toJSON = function () { return '(' + types.map(tfJSON).join(', ') + ')' }
- // remove matched signature from unmatched
- unmatched.splice(i, 1)
+ return _tuple
+ },
- return true
- })
+ value: function value (expected) {
+ function _value (actual) {
+ return actual === expected
+ }
+ _value.toJSON = function () { return expected }
- return match || undefined
- })
+ return _value
}
-
- // enforce in order signing of public keys
- assert(input.pubKeys.some(function (pubKey, i) {
- if (!privKey.pub.Q.equals(pubKey.Q)) return false
-
- assert(!input.signatures[i], 'Signature already exists')
- var signature = privKey.sign(signatureHash)
- input.signatures[i] = signature
-
- return true
- }, this), 'privateKey cannot sign for this input')
}
-module.exports = TransactionBuilder
-
-}).call(this,require("buffer").Buffer)
-},{"./ecpubkey":61,"./ecsignature":62,"./opcodes":67,"./script":68,"./scripts":69,"./transaction":70,"assert":5,"buffer":7}],72:[function(require,module,exports){
-(function (Buffer){
-var assert = require('assert')
-var bufferutils = require('./bufferutils')
-var typeForce = require('typeforce')
-var networks = require('./networks')
-var randomBytes = require('randombytes')
-
-var Address = require('./address')
-var HDNode = require('./hdnode')
-var TransactionBuilder = require('./transaction_builder')
-var Script = require('./script')
-
-function Wallet (seed, network) {
- console.warn('Wallet is deprecated and will be removed in 2.0.0, see #296')
+function compile (type) {
+ if (NATIVE.String(type)) {
+ if (type[0] === '?') return TYPES.maybe(compile(type.slice(1)))
- seed = seed || randomBytes(32)
- network = network || networks.bitcoin
-
- // Stored in a closure to make accidental serialization less likely
- var masterKey = HDNode.fromSeedBuffer(seed, network)
-
- // HD first-level child derivation method should be hardened
- // See https://bitcointalk.org/index.php?topic=405179.msg4415254#msg4415254
- var accountZero = masterKey.deriveHardened(0)
- var externalAccount = accountZero.derive(0)
- var internalAccount = accountZero.derive(1)
-
- this.addresses = []
- this.changeAddresses = []
- this.network = network
- this.unspents = []
-
- // FIXME: remove in 2.0.0
- this.unspentMap = {}
-
- // FIXME: remove in 2.0.0
- var me = this
- this.newMasterKey = function (seed) {
- console.warn('newMasterKey is deprecated, please make a new Wallet instance instead')
-
- seed = seed || randomBytes(32)
- masterKey = HDNode.fromSeedBuffer(seed, network)
-
- accountZero = masterKey.deriveHardened(0)
- externalAccount = accountZero.derive(0)
- internalAccount = accountZero.derive(1)
+ return NATIVE[type] || TYPES.quacksLike(type)
+ } else if (type && NATIVE.Object(type)) {
+ if (NATIVE.Array(type)) return TYPES.arrayOf(compile(type[0]))
- me.addresses = []
- me.changeAddresses = []
-
- me.unspents = []
- me.unspentMap = {}
+ return TYPES.object(type)
+ } else if (NATIVE.Function(type)) {
+ return type
}
- this.getMasterKey = function () {
- return masterKey
- }
- this.getAccountZero = function () {
- return accountZero
- }
- this.getExternalAccount = function () {
- return externalAccount
- }
- this.getInternalAccount = function () {
- return internalAccount
- }
+ return TYPES.value(type)
}
-Wallet.prototype.createTransaction = function (to, value, options) {
- // FIXME: remove in 2.0.0
- if (typeof options !== 'object') {
- if (options !== undefined) {
- console.warn('Non options object parameters are deprecated, use options object instead')
-
- options = {
- fixedFee: arguments[2],
- changeAddress: arguments[3]
- }
- }
- }
-
- options = options || {}
-
- assert(value > this.network.dustThreshold, value + ' must be above dust threshold (' + this.network.dustThreshold + ' Satoshis)')
-
- var changeAddress = options.changeAddress
- var fixedFee = options.fixedFee
- var minConf = options.minConf === undefined ? 0 : options.minConf // FIXME: change minConf:1 by default in 2.0.0
-
- // filter by minConf, then pending and sort by descending value
- var unspents = this.unspents.filter(function (unspent) {
- return unspent.confirmations >= minConf
- }).filter(function (unspent) {
- return !unspent.pending
- }).sort(function (o1, o2) {
- return o2.value - o1.value
- })
-
- var accum = 0
- var addresses = []
- var subTotal = value
-
- var txb = new TransactionBuilder()
- txb.addOutput(to, value)
-
- for (var i = 0; i < unspents.length; ++i) {
- var unspent = unspents[i]
- addresses.push(unspent.address)
-
- txb.addInput(unspent.txHash, unspent.index)
-
- var fee = fixedFee === undefined ? estimatePaddedFee(txb.buildIncomplete(), this.network) : fixedFee
-
- accum += unspent.value
- subTotal = value + fee
-
- if (accum >= subTotal) {
- var change = accum - subTotal
-
- if (change > this.network.dustThreshold) {
- txb.addOutput(changeAddress || this.getChangeAddress(), change)
- }
+function typeforce (type, value, strict, surrogate) {
+ if (NATIVE.Function(type)) {
+ if (type(value, strict)) return true
- break
- }
+ throw new TfTypeError(surrogate || type, value)
}
- assert(accum >= subTotal, 'Not enough funds (incl. fee): ' + accum + ' < ' + subTotal)
+ // JIT
+ return typeforce(compile(type), value, strict)
+}
- return this.signWith(txb, addresses).build()
+// assign types to typeforce function
+for (var typeName in NATIVE) {
+ typeforce[typeName] = NATIVE[typeName]
}
-// FIXME: remove in 2.0.0
-Wallet.prototype.processPendingTx = function (tx) {
- this.__processTx(tx, true)
+for (typeName in TYPES) {
+ typeforce[typeName] = TYPES[typeName]
}
-// FIXME: remove in 2.0.0
-Wallet.prototype.processConfirmedTx = function (tx) {
- this.__processTx(tx, false)
+var EXTRA = require('./extra')
+for (typeName in EXTRA) {
+ typeforce[typeName] = EXTRA[typeName]
}
-// FIXME: remove in 2.0.0
-Wallet.prototype.__processTx = function (tx, isPending) {
- console.warn('processTransaction is considered harmful, see issue #260 for more information')
+// async wrapper
+function __async (type, value, strict, callback) {
+ // default to falsy strict if using shorthand overload
+ if (typeof strict === 'function') return __async(type, value, false, strict)
- var txId = tx.getId()
- var txHash = tx.getHash()
+ try {
+ typeforce(type, value, strict)
+ } catch (e) {
+ return callback(e)
+ }
- tx.outs.forEach(function (txOut, i) {
- var address
+ callback()
+}
- try {
- address = Address.fromOutputScript(txOut.script, this.network).toString()
- } catch (e) {
- if (!(e.message.match(/has no matching Address/)))
- throw e
- }
+typeforce.async = __async
+typeforce.compile = compile
+typeforce.TfTypeError = TfTypeError
+typeforce.TfPropertyTypeError = TfPropertyTypeError
- var myAddresses = this.addresses.concat(this.changeAddresses)
- if (myAddresses.indexOf(address) > -1) {
- var lookup = txId + ':' + i
- if (lookup in this.unspentMap) return
+module.exports = typeforce
- // its unique, add it
- var unspent = {
- address: address,
- confirmations: 0, // no way to determine this without more information
- index: i,
- txHash: txHash,
- txId: txId,
- value: txOut.value,
- pending: isPending
- }
+},{"./errors":107,"./extra":108,"./native":110}],110:[function(require,module,exports){
+var types = {
+ Array: function (value) { return value !== null && value !== undefined && value.constructor === Array },
+ Boolean: function (value) { return typeof value === 'boolean' },
+ Function: function (value) { return typeof value === 'function' },
+ Nil: function (value) { return value === undefined || value === null },
+ Number: function (value) { return typeof value === 'number' },
+ Object: function (value) { return typeof value === 'object' },
+ String: function (value) { return typeof value === 'string' },
+ '': function () { return true }
+}
- this.unspentMap[lookup] = unspent
- this.unspents.push(unspent)
- }
- }, this)
+// TODO: deprecate
+types.Null = types.Nil
- tx.ins.forEach(function (txIn) {
- // copy and convert to big-endian hex
- var txInId = bufferutils.reverse(txIn.hash).toString('hex')
+for (var typeName in types) {
+ types[typeName].toJSON = function (t) {
+ return t
+ }.bind(null, typeName)
+}
- var lookup = txInId + ':' + txIn.index
- if (!(lookup in this.unspentMap)) return
+module.exports = types
- var unspent = this.unspentMap[lookup]
+},{}],111:[function(require,module,exports){
+(function (Buffer){
+'use strict'
- if (isPending) {
- unspent.pending = true
- unspent.spent = true
- } else {
- delete this.unspentMap[lookup]
+// Number.MAX_SAFE_INTEGER
+var MAX_SAFE_INTEGER = 9007199254740991
- this.unspents = this.unspents.filter(function (unspent2) {
- return unspent !== unspent2
- })
- }
- }, this)
+function checkUInt53 (n) {
+ if (n < 0 || n > MAX_SAFE_INTEGER || n % 1 !== 0) throw new RangeError('value out of range')
}
-Wallet.prototype.generateAddress = function () {
- var k = this.addresses.length
- var address = this.getExternalAccount().derive(k).getAddress()
-
- this.addresses.push(address.toString())
+function encode (number, buffer, offset) {
+ checkUInt53(number)
- return this.getReceiveAddress()
-}
+ if (!buffer) buffer = new Buffer(encodingLength(number))
+ if (!Buffer.isBuffer(buffer)) throw new TypeError('buffer must be a Buffer instance')
+ if (!offset) offset = 0
-Wallet.prototype.generateChangeAddress = function () {
- var k = this.changeAddresses.length
- var address = this.getInternalAccount().derive(k).getAddress()
+ // 8 bit
+ if (number < 0xfd) {
+ buffer.writeUInt8(number, offset)
+ encode.bytes = 1
- this.changeAddresses.push(address.toString())
+ // 16 bit
+ } else if (number <= 0xffff) {
+ buffer.writeUInt8(0xfd, offset)
+ buffer.writeUInt16LE(number, offset + 1)
+ encode.bytes = 3
- return this.getChangeAddress()
-}
+ // 32 bit
+ } else if (number <= 0xffffffff) {
+ buffer.writeUInt8(0xfe, offset)
+ buffer.writeUInt32LE(number, offset + 1)
+ encode.bytes = 5
-Wallet.prototype.getAddress = function () {
- if (this.addresses.length === 0) {
- this.generateAddress()
+ // 64 bit
+ } else {
+ buffer.writeUInt8(0xff, offset)
+ buffer.writeUInt32LE(number >>> 0, offset + 1)
+ buffer.writeUInt32LE((number / 0x100000000) | 0, offset + 5)
+ encode.bytes = 9
}
- return this.addresses[this.addresses.length - 1]
-}
-
-Wallet.prototype.getBalance = function (minConf) {
- minConf = minConf || 0
-
- return this.unspents.filter(function (unspent) {
- return unspent.confirmations >= minConf
-
- // FIXME: remove spent filter in 2.0.0
- }).filter(function (unspent) {
- return !unspent.spent
- }).reduce(function (accum, unspent) {
- return accum + unspent.value
- }, 0)
+ return buffer
}
-Wallet.prototype.getChangeAddress = function () {
- if (this.changeAddresses.length === 0) {
- this.generateChangeAddress()
- }
+function decode (buffer, offset) {
+ if (!Buffer.isBuffer(buffer)) throw new TypeError('buffer must be a Buffer instance')
+ if (!offset) offset = 0
- return this.changeAddresses[this.changeAddresses.length - 1]
-}
+ var first = buffer.readUInt8(offset)
-Wallet.prototype.getInternalPrivateKey = function (index) {
- return this.getInternalAccount().derive(index).privKey
-}
+ // 8 bit
+ if (first < 0xfd) {
+ decode.bytes = 1
+ return first
-Wallet.prototype.getPrivateKey = function (index) {
- return this.getExternalAccount().derive(index).privKey
-}
+ // 16 bit
+ } else if (first === 0xfd) {
+ decode.bytes = 3
+ return buffer.readUInt16LE(offset + 1)
-Wallet.prototype.getPrivateKeyForAddress = function (address) {
- var index
+ // 32 bit
+ } else if (first === 0xfe) {
+ decode.bytes = 5
+ return buffer.readUInt32LE(offset + 1)
- if ((index = this.addresses.indexOf(address)) > -1) {
- return this.getPrivateKey(index)
- }
+ // 64 bit
+ } else {
+ decode.bytes = 9
+ var lo = buffer.readUInt32LE(offset + 1)
+ var hi = buffer.readUInt32LE(offset + 5)
+ var number = hi * 0x0100000000 + lo
+ checkUInt53(number)
- if ((index = this.changeAddresses.indexOf(address)) > -1) {
- return this.getInternalPrivateKey(index)
+ return number
}
-
- assert(false, 'Unknown address. Make sure the address is from the keychain and has been generated')
}
-Wallet.prototype.getUnspentOutputs = function (minConf) {
- minConf = minConf || 0
-
- return this.unspents.filter(function (unspent) {
- return unspent.confirmations >= minConf
-
- // FIXME: remove spent filter in 2.0.0
- }).filter(function (unspent) {
- return !unspent.spent
- }).map(function (unspent) {
- return {
- address: unspent.address,
- confirmations: unspent.confirmations,
- index: unspent.index,
- txId: unspent.txId,
- value: unspent.value,
+function encodingLength (number) {
+ checkUInt53(number)
- // FIXME: remove in 2.0.0
- hash: unspent.txId,
- pending: unspent.pending
- }
- })
+ return (
+ number < 0xfd ? 1
+ : number <= 0xffff ? 3
+ : number <= 0xffffffff ? 5
+ : 9
+ )
}
-Wallet.prototype.setUnspentOutputs = function (unspents) {
- this.unspentMap = {}
- this.unspents = unspents.map(function (unspent) {
- // FIXME: remove unspent.hash in 2.0.0
- var txId = unspent.txId || unspent.hash
- var index = unspent.index
+module.exports = { encode: encode, decode: decode, encodingLength: encodingLength }
- // FIXME: remove in 2.0.0
- if (unspent.hash !== undefined) {
- console.warn('unspent.hash is deprecated, use unspent.txId instead')
- }
-
- // FIXME: remove in 2.0.0
- if (index === undefined) {
- console.warn('unspent.outputIndex is deprecated, use unspent.index instead')
- index = unspent.outputIndex
- }
-
- typeForce('String', txId)
- typeForce('Number', index)
- typeForce('Number', unspent.value)
+}).call(this,require("buffer").Buffer)
+},{"buffer":4}],112:[function(require,module,exports){
+(function (Buffer){
+var bs58check = require('bs58check')
- assert.equal(txId.length, 64, 'Expected valid txId, got ' + txId)
- assert.doesNotThrow(function () {
- Address.fromBase58Check(unspent.address)
- }, 'Expected Base58 Address, got ' + unspent.address)
- assert(isFinite(index), 'Expected finite index, got ' + index)
+function decodeRaw (buffer, version) {
+ // check version only if defined
+ if (version !== undefined && buffer[0] !== version) throw new Error('Invalid network version')
- // FIXME: remove branch in 2.0.0
- if (unspent.confirmations !== undefined) {
- typeForce('Number', unspent.confirmations)
+ // uncompressed
+ if (buffer.length === 33) {
+ return {
+ version: buffer[0],
+ privateKey: buffer.slice(1, 33),
+ compressed: false
}
+ }
- var txHash = bufferutils.reverse(new Buffer(txId, 'hex'))
+ // invalid length
+ if (buffer.length !== 34) throw new Error('Invalid WIF length')
- unspent = {
- address: unspent.address,
- confirmations: unspent.confirmations || 0,
- index: index,
- txHash: txHash,
- txId: txId,
- value: unspent.value,
+ // invalid compression flag
+ if (buffer[33] !== 0x01) throw new Error('Invalid compression flag')
- // FIXME: remove in 2.0.0
- pending: unspent.pending || false
- }
+ return {
+ version: buffer[0],
+ privateKey: buffer.slice(1, 33),
+ compressed: true
+ }
+}
- // FIXME: remove in 2.0.0
- this.unspentMap[txId + ':' + index] = unspent
+function encodeRaw (version, privateKey, compressed) {
+ var result = new Buffer(compressed ? 34 : 33)
- return unspent
- }, this)
-}
+ result.writeUInt8(version, 0)
+ privateKey.copy(result, 1)
-Wallet.prototype.signWith = function (tx, addresses) {
- addresses.forEach(function (address, i) {
- var privKey = this.getPrivateKeyForAddress(address)
+ if (compressed) {
+ result[33] = 0x01
+ }
- tx.sign(i, privKey)
- }, this)
+ return result
+}
- return tx
+function decode (string, version) {
+ return decodeRaw(bs58check.decode(string), version)
}
-function estimatePaddedFee (tx, network) {
- var tmpTx = tx.clone()
- tmpTx.addOutput(Script.EMPTY, network.dustSoftThreshold || 0)
+function encode (version, privateKey, compressed) {
+ if (typeof version === 'number') return bs58check.encode(encodeRaw(version, privateKey, compressed))
- return network.estimateFee(tmpTx)
+ return bs58check.encode(
+ encodeRaw(
+ version.version,
+ version.privateKey,
+ version.compressed
+ )
+ )
}
-// FIXME: 1.0.0 shims, remove in 2.0.0
-Wallet.prototype.getReceiveAddress = Wallet.prototype.getAddress
-Wallet.prototype.createTx = Wallet.prototype.createTransaction
-
-module.exports = Wallet
+module.exports = {
+ decode: decode,
+ decodeRaw: decodeRaw,
+ encode: encode,
+ encodeRaw: encodeRaw
+}
}).call(this,require("buffer").Buffer)
-},{"./address":54,"./bufferutils":57,"./hdnode":63,"./networks":66,"./script":68,"./transaction_builder":71,"assert":5,"buffer":7,"randombytes":52,"typeforce":53}]},{},[64])(64)
-});</script>
- <script>bitcoin.networks.shadow = {
- magicPrefix: '\x19ShadowCash Signed Message:\n',
+},{"bs58check":80,"buffer":4}]},{},[33])(33)
+});
+</script>
+ <script>bitcoinjs.bitcoin.networks.shadow = {
+ messagePrefix: 'unused',
bip32: {
public: 0xEE80286A,
private: 0xEE8031E8
},
pubKeyHash: 0x3f,
scriptHash: 0x7d,
- wif: 0xbf,
- dustThreshold: 0,
- feePerKb: 1000,
- estimateFee: function() { return "unused in this app" },
+ wif: 0xbf
};
-bitcoin.networks.shadowtn = {
- magicPrefix: '\x19ShadowCash Signed Message:\n',
+bitcoinjs.bitcoin.networks.shadowtn = {
+ messagePrefix: 'unused',
bip32: {
public: 0x76C0FDFB,
private: 0x76C1077A
},
pubKeyHash: 0x7f,
scriptHash: 0xc4,
- wif: 0xff,
- dustThreshold: 0,
- feePerKb: 1000,
- estimateFee: function() { return "unused in this app" },
+ wif: 0xff
};
-bitcoin.networks.clam = {
+bitcoinjs.bitcoin.networks.clam = {
+ messagePrefix: 'unused',
bip32: {
public: 0xa8c26d64,
private: 0xa8c17826
},
pubKeyHash: 0x89,
- wif: 0x85,
+ scriptHash: 0x00, // TODO set this correctly
+ wif: 0x85
+};
+
+bitcoinjs.bitcoin.networks.crown = {
+ messagePrefix: 'unused',
+ bip32: {
+ public: 0x0488b21e,
+ private: 0x0488ade4
+ },
+ pubKeyHash: 0x00,
+ scriptHash: 0x05,
+ wif: 0x80
};
-bitcoin.networks.dash = {
+bitcoinjs.bitcoin.networks.dash = {
+ messagePrefix: 'unused',
bip32: {
public: 0x0488b21e,
private: 0x0488ade4
},
pubKeyHash: 0x4c,
scriptHash: 0x10,
- wif: 0xcc,
+ wif: 0xcc
+};
+
+bitcoinjs.bitcoin.networks.maza = {
+ messagePrefix: 'unused',
+ bip32: {
+ public: 0x0488b21e,
+ private: 0x0488ade4
+ },
+ pubKeyHash: 0x32,
+ scriptHash: 0x09,
+ wif: 0xe0
+};
+
+bitcoinjs.bitcoin.networks.dashtn = {
+ messagePrefix: 'unused',
+ bip32: {
+ public: 0x043587cf,
+ private: 0x04358394
+ },
+ pubKeyHash: 0x8c,
+ scriptHash: 0x13,
+ wif: 0xef
};
-bitcoin.networks.game = {
+bitcoinjs.bitcoin.networks.game = {
+ messagePrefix: 'unused',
bip32: {
public: 0x0488b21e,
private: 0x0488ade4
},
pubKeyHash: 0x26,
scriptHash: 0x05,
- wif: 0xa6,
+ wif: 0xa6
};
-bitcoin.networks.namecoin = {
+bitcoinjs.bitcoin.networks.namecoin = {
+ messagePrefix: 'unused',
bip32: {
public: 0x0488b21e,
private: 0x0488ade4
},
pubKeyHash: 0x34,
- //scriptHash: 0x10,
- wif: 0x80,
+ scriptHash: 0x00, // TODO set this correctly
+ wif: 0x80
};
-bitcoin.networks.peercoin = {
+bitcoinjs.bitcoin.networks.peercoin = {
+ messagePrefix: 'unused',
bip32: {
public: 0x0488b21e,
private: 0x0488ade4
},
pubKeyHash: 0x37,
- //scriptHash: 0x10,
- wif: 0xb7,
+ scriptHash: 0x00, // TODO set this correctly
+ wif: 0xb7
+};
+
+bitcoinjs.bitcoin.networks.slimcoin = {
+ messagePrefix: 'unused',
+ bip32: {
+ public: 0xef6adf10,
+ private: 0xef69ea80
+ },
+ pubKeyHash: 0x3f,
+ scriptHash: 0x7d,
+ wif: 0x46
+};
+
+bitcoinjs.bitcoin.networks.slimcointn = {
+ messagePrefix: 'unused',
+ bip32: {
+ public: 0x043587CF,
+ private: 0x04358394
+ },
+ pubKeyHash: 0x6f,
+ scriptHash: 0xc4,
+ wif: 0x57
+};
+
+bitcoinjs.bitcoin.networks.dogecoin = {
+ messagePrefix: '\x19Dogecoin Signed Message:\n',
+ bip32: {
+ public: 0x02facafd,
+ private: 0x02fac398
+ },
+ pubKeyHash: 0x1e,
+ scriptHash: 0x16,
+ wif: 0x9e
+};
+
+bitcoinjs.bitcoin.networks.viacoin = {
+ messagePrefix: '\x18Viacoin Signed Message:\n',
+ bip32: {
+ public: 0x0488b21e,
+ private: 0x0488ade4
+ },
+ pubKeyHash: 0x47,
+ scriptHash: 0x21,
+ wif: 0xc7
+};
+
+bitcoinjs.bitcoin.networks.viacointestnet = {
+ messagePrefix: '\x18Viacoin Signed Message:\n',
+ bip32: {
+ public: 0x043587cf,
+ private: 0x04358394
+ },
+ pubKeyHash: 0x7f,
+ scriptHash: 0xc4,
+ wif: 0xff
+};
+
+bitcoinjs.bitcoin.networks.gamerscoin = {
+ messagePrefix: '\x19Gamerscoin Signed Message:\n',
+ bip32: {
+ public: 0x019da462,
+ private: 0x019d9cfe
+ },
+ pubKeyHash: 0x26,
+ scriptHash: 0x05,
+ wif: 0xA6
+};
+
+bitcoinjs.bitcoin.networks.jumbucks = {
+ messagePrefix: '\x19Jumbucks Signed Message:\n',
+ bip32: {
+ public: 0x037a689a,
+ private: 0x037a6460
+ },
+ pubKeyHash: 0x2b,
+ scriptHash: 0x05,
+ wif: 0xab
+};
+
+bitcoinjs.bitcoin.networks.zetacoin = {
+ messagePrefix: '\x18Zetacoin Signed Message:\n',
+ bip32: {
+ public: 0x0488b21e,
+ private: 0x0488ade4
+ },
+ pubKeyHash: 0x50,
+ scriptHash: 0x09,
+ wif: 0xe0
+};
+
+bitcoinjs.bitcoin.networks.myriadcoin = {
+ messagePrefix: 'unused',
+ bip32: {
+ public: 0x0488b21e,
+ private: 0x0488ade4
+ },
+ pubKeyHash: 0x32,
+ scriptHash: 0x00, // TODO set this correctly
+ wif: 0xb2
+};
+
+bitcoinjs.bitcoin.networks.pivx = {
+ messagePrefix: 'unused',
+ bip32: {
+ public: 0x022d2533,
+ private: 0x0221312b
+ },
+ pubKeyHash: 0x1e,
+ scriptHash: 0x0d,
+ wif: 0xd4
+};
+
+bitcoinjs.bitcoin.networks.pivxtestnet = {
+ messagePrefix: 'unused',
+ bip32: {
+ public: 0x3a8061a0,
+ private: 0x3a805837
+ },
+ pubKeyHash: 0x8b,
+ scriptHash: 0x13,
+ wif: 0xef
};
+bitcoinjs.bitcoin.networks.fujicoin = {
+ messagePrefix: '\x19FujiCoin Signed Message:\n',
+ bip32: {
+ public: 0x0488b21e,
+ private: 0x0488ade4
+ },
+ pubKeyHash: 0x24,
+ scriptHash: 0x10,
+ wif: 0xa4
+};
</script>
<script>(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.ethUtil = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
(function (global){
},{"is-hex-prefixed":64}]},{},[31])(31)
});</script>
+ <script>function convertRippleAdrr(address) {
+ return window.basex('rpshnaf39wBUDNEGHJKLM4PQRST7VWXYZ2bcdeCg65jkm8oFqi1tuvAxyz').encode(
+ window.basex('123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz').decode(address)
+ )
+ }
+
+function convertRipplePriv(priv) {
+ return window.basex('123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz').decode(priv).toString("hex").slice(2,66)
+}
+
+</script>
<script>// Select components from sjcl to suit the crypto operations bip39 requires.
//// base.js
h[7] = h[7]+h7 | 0;
}
};
-</script>
- <script>// An extremely basic translation library
-//
-// Example usage:
-//
-// Set some html to be translated. Do this using the 'data-translate' attribute:
-//
-// <div data-translate>Test</div>
-// <div data-translate-html><em>keep em tag</em></div>
-// <input data-translate-placeholder placeholder="Example placeholder">
-// <span data-translate-title title="Example title"></span>
-//
-// Obtain all the phrases to be translated via js debug console:
-//
-// Translate.phrasesAsJson();
-//
-// Use that template to translate the phrases into another language.
-// Leave the key the same. Change the value to the new language.
-//
-// Create a js file to load the new phrases. In this example for Spanish,
-// es.js will contain the following code:
-//
-// Translate.loadForeignPhrases("es", {
-// "Test": "Test in Spanish",
-// "<em>keep em tag</em>": "<em>keep em tag in Spanish</em>",
-// "Example placeholder": "Example placeholder in Spanish"
-// "Example title": "Example title in Spanish"
-// });
-//
-// In your UI put a listener for clicking on the Spanish button:
-//
-// mySpanishButton.addEventListener("click", function() {
-// Translate.setLanguage("es");
-// });
-// myEnglishButton.addEventListener("click", function() {
-// Translate.setLanguage("en");
-// });
-
-Translate = new (function() {
-
- var defaultLanguage = "en";
-
- var allPhrases = {};
- allPhrases[defaultLanguage] = {};
-
- // Node types
-
- var text = {
- selector: "[data-translate]",
- getKey: function() {
- return this.textContent.trim().replace(/\s+/g, " ");
- },
- setPhrase: function(p) {
- this.textContent = p;
- },
- }
-
- var html = {
- selector: "[data-translate-html]",
- getKey: function() {
- return this.innerHTML.trim().replace(/\s+/g, " ");
- },
- setPhrase: function(p) {
- this.innerHTML = p;
- },
- }
-
- var placeholder = {
- selector: "[data-translate-placeholder]",
- getKey: function() {
- return this.getAttribute("placeholder").trim().replace(/\s+/g, " ");
- },
- setPhrase: function(p) {
- this.setAttribute("placeholder", p);
- },
- }
-
- var title = {
- selector: "[data-translate-title]",
- getKey: function() {
- return this.getAttribute("title").trim().replace(/\s+/g, " ");
- },
- setPhrase: function(p) {
- this.setAttribute("title", p);
- },
- }
-
- // Get elements to be translated
- var allEls = getEls(text)
- .concat(getEls(html))
- .concat(getEls(placeholder))
- .concat(getEls(title));
-
- // Provides access to phrases from a non-default language.
- // See phrases_en.js for example usage.
- this.loadForeignPhrases = function(language, phrases) {
- allPhrases[language] = phrases;
- }
-
- // Displays a different language, eg "en" or "fr"
- this.setLanguage = function(language) {
- for (var i=0; i<allEls.length; i++) {
- var el = allEls[i];
- var key = el.key;
- if (!(language in allPhrases)) {
- console.log(language + " not in allPhrases");
- return;
- }
- if (!(key in allPhrases[language])) {
- console.log(language + " does not contain phrase: " + key);
- return;
- }
- var phrase = allPhrases[language][key];
- el.setPhrase(phrase);
- }
- }
-
- // Converts the phrases to a key-pair json file.
- // This is a good way to export phrases for use in translation tools.
- this.phrasesAsJson = function(language) {
- var keys = [];
- for (var i=0; i<allEls.length; i++) {
- var el = allEls[i];
- var key = el.key;
- keys.push(key);
- }
- keys.sort();
- var output = {};
- for (var i=0; i<keys.length; i++) {
- var key = keys[i];
- var translated = "";
- if (language in allPhrases && key in allPhrases[language]) {
- translated = allPhrases[language][key];
- }
- output[key] = translated;
- }
- return JSON.stringify(output, null, 2);
- }
-
- function getEls(nodeType) {
- var nodes = document.querySelectorAll(nodeType.selector);
- var els = [];
- for (var i=0; i<nodes.length; i++) {
- var node = nodes[i];
- node.getKey = nodeType.getKey;
- node.setPhrase = nodeType.setPhrase;
- node.key = node.getKey();
- allPhrases[defaultLanguage][node.key] = node.key;
- els.push(node);
- }
- return els;
- }
-
-})();
-</script>
- <script>Translate.loadForeignPhrases("en",
-{
- "<code>m/44'/0'/0'/0</code> generates public addresses": "<code>m/44'/0'/0'/0</code> generates public addresses",
- "<code>m/44'/0'/0'/1</code> generates change addresses": "<code>m/44'/0'/0'/1</code> generates change addresses",
- "<code>m/44'/0'/0'</code> generates extended keys for import / export": "<code>m/44'/0'/0'</code> generates extended keys for import / export",
- "<code>m/44'/0'/1'</code> for the next account. Continue incrementing for more accounts (most use a single account).": "<code>m/44'/0'/1'</code> for the next account. Continue incrementing for more accounts (most use a single account).",
- "Accepts binary, base 6, 6-sided dice, base 10, hexadecimal, cards": "Accepts binary, base 6, 6-sided dice, base 10, hexadecimal, cards",
- "Account": "Account",
- "Address": "Address",
- "Alternatively, download the file from the repository": "Alternatively, download the file from the repository",
- "BIP32 Derivation Path": "BIP32 Derivation Path",
- "BIP32 Extended Key": "BIP32 Extended Key",
- "BIP32 Extended Key (addresses only)": "BIP32 Extended Key (addresses only)",
- "BIP32 Root Key": "BIP32 Root Key",
- "BIP39 Mnemonic": "BIP39 Mnemonic",
- "BIP39 Passphrase (optional)": "BIP39 Passphrase (optional)",
- "BIP39 Seed": "BIP39 Seed",
- "Base 10": "Base 10",
- "Base 6": "Base 6",
- "Be careful - it can be easy to make mistakes if you don't know what you're doing.": "Be careful - it can be easy to make mistakes if you don't know what you're doing.",
- "Binary": "Binary",
- "Bitcoin Core": "Bitcoin Core",
- "Bits Per Event": "Bits Per Event",
- "Block Explorers": "Block Explorers",
- "Can be used with": "Can be used with",
- "Card": "Card",
- "Coin": "Coin",
- "Dice": "Dice",
- "Do <strong>NOT</strong> use phrases from books, lyrics from songs, your birthday or steet address, keyboard mashing, or anything you <i>think</i> is random, because chances are overwhelming it isn't random enough for the needs of this tool.": "Do <strong>NOT</strong> use phrases from books, lyrics from songs, your birthday or steet address, keyboard mashing, or anything you <i>think</i> is random, because chances are overwhelming it isn't random enough for the needs of this tool.",
- "Double-click that file to open it in a browser on any offline computer.": "Double-click that file to open it in a browser on any offline computer.",
- "Entropy": "Entropy",
- "Entropy Type": "Entropy Type",
- "Entropy is an advanced feature. Your mnemonic may be insecure if this feature is used incorrectly.": "Entropy is an advanced feature. Your mnemonic may be insecure if this feature is used incorrectly.",
- "Entropy values must be sourced from a <a href=\"https://en.wikipedia.org/wiki/Random_number_generation\" target=\"_blank\">strong source of randomness</a>.": "Entropy values must be sourced from a <a href=\"https://en.wikipedia.org/wiki/Random_number_generation\" target=\"_blank\">strong source of randomness</a>.",
- "Event Count": "Event Count",
- "External / Internal": "External / Internal",
- "Filtered Entropy": "Filtered Entropy",
- "For more info see the <a href=\"http://www.mycelium.com/\" target=\"_blank\">Mycelium Wallet homepage</a>": "For more info see the <a href=\"http://www.mycelium.com/\" target=\"_blank\">Mycelium Wallet homepage</a>",
- "For more info see the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki\" target=\"_blank\">BIP39 spec</a>.": "For more info see the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki\" target=\"_blank\">BIP39 spec</a>.",
- "For more info see the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki\" target=\"_blank\">BIP44 spec</a>.": "For more info see the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki\" target=\"_blank\">BIP44 spec</a>.",
- "For more info see the <a href=\"https://github.com/bitcoin/bitcoin/pull/8035\" target=\"_blank\">Bitcoin Core BIP32 implementation</a>": "For more info see the <a href=\"https://github.com/bitcoin/bitcoin/pull/8035\" target=\"_blank\">Bitcoin Core BIP32 implementation</a>",
- "For more info see the BIP32 spec": "For more info see the BIP32 spec",
- "From entropy length (3 words per 32 bits)": "From entropy length (3 words per 32 bits)",
- "Generate a random mnemonic, or enter your own below": "Generate a random mnemonic, or enter your own below",
- "Get the source code from the repository": "Get the source code from the repository",
- "Hex": "Hex",
- "Hierarchical Deterministic Wallets": "Hierarchical Deterministic Wallets",
- "If cryptographic randomness isn't available in your browser, this page will show a warning and the generate button will not work.": "If cryptographic randomness isn't available in your browser, this page will show a warning and the generate button will not work.",
- "In that case you might choose to use your own source of entropy.": "In that case you might choose to use your own source of entropy.",
- "In your browser, select file save-as, and save this page as a file.": "In your browser, select file save-as, and save this page as a file.",
- "Libraries": "Libraries",
- "Mnemonic Language": "Mnemonic Language",
- "Mnemonic Length": "Mnemonic Length",
- "Mnemonic code for generating deterministic keys": "Mnemonic code for generating deterministic keys",
- "More info": "More info",
- "Multi-Account Hierarchy for Deterministic Wallets": "Multi-Account Hierarchy for Deterministic Wallets",
- "Mycelium Wallet": "Mycelium Wallet",
- "Note these addreses are derived from the BIP32 Extended Key": "Note these addreses are derived from the BIP32 Extended Key",
- "Offline Usage": "Offline Usage",
- "Only enter the <code>xpub</code> extended key into block explorer search fields, never the <code>xprv</code> key.": "Only enter the <code>xpub</code> extended key into block explorer search fields, never the <code>xprv</code> key.",
- "Path": "Path",
- "Private Key": "Private Key",
- "Private Keys": "Private Keys",
- "Public Key": "Public Key",
- "Purpose": "Purpose",
- "Raw Binary": "Raw Binary",
- "Read more": "Read more",
- "Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki\" target=\"_blank\">official BIP32 spec</a>": "Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki\" target=\"_blank\">official BIP32 spec</a>",
- "Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki\">official BIP39 spec</a>": "Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki\">official BIP39 spec</a>",
- "Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki\" target=\"_blank\">official BIP44 spec</a>": "Read more at the <a href=\"https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki\" target=\"_blank\">official BIP44 spec</a>",
- "See the demo at <a href=\"http://bip32.org/\" target=\"_blank\">bip32.org</a>": "See the demo at <a href=\"http://bip32.org/\" target=\"_blank\">bip32.org</a>",
- "Show": "Show",
- "Show more rows": "Show more rows",
- "Strength": "Strength",
- "Supply my own source of entropy": "Supply my own source of entropy",
- "The built in random generator can generally be trusted more than your own intuition about randomness.": "The built in random generator can generally be trusted more than your own intuition about randomness.",
- "The random mnemonic generator on this page uses a <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/RandomSource/getRandomValues\" target=\"_blank\">cryptographically secure random number generator</a>.": "The random mnemonic generator on this page uses a <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/RandomSource/getRandomValues\" target=\"_blank\">cryptographically secure random number generator</a>.",
- "This means flipping a fair coin, rolling a fair dice, noise measurements etc.": "This means flipping a fair coin, rolling a fair dice, noise measurements etc.",
- "This project is 100% open-source code": "This project is 100% open-source code",
- "Toggle": "Toggle",
- "Total Bits": "Total Bits",
- "Use hardened addresses": "Use hardened addresses",
- "Use path <code>m/0'/0'</code> with hardened addresses.": "Use path <code>m/0'/0'</code> with hardened addresses.",
- "Use path <code>m/44'/0'/0'</code>.": "Use path <code>m/44'/0'/0'</code>.",
- "Use private keys at <a href=\"https://web.archive.org/web/20150707020924/https://brainwallet.org/\" target=\"_blank\">brainwallet.org</a>.": "Use private keys at <a href=\"https://web.archive.org/web/20150707020924/https://brainwallet.org/\" target=\"_blank\">brainwallet.org</a>.",
- "Valid entropy values include:": "Valid entropy values include:",
- "Warning": "Warning",
- "Word Count": "Word Count",
- "You are not a good source of entropy.": "You are not a good source of entropy.",
- "You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum).": "You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum).",
- "You can use this tool without having to be online.": "You can use this tool without having to be online.",
- "words": "words"
-}
-);
</script>
<script>WORDLISTS = typeof WORDLISTS == "undefined" ? {} : WORDLISTS;
WORDLISTS["english"] = [
},{}]},{},[4])(4)
});
-//# sourceMappingURL=zxcvbn.js.map
+
</script>
<script>/*
* Detects entropy from a string.
}
})();
-</script>
- <script>/*! jQuery UI - v1.12.1 - 2016-09-14
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i,s=e.within,n=s.isWindow?s.scrollTop:s.offset.top,a=e.within.height,r=t.top-e.collisionPosition.marginTop,h=n-r,l=r+e.collisionHeight-a-n;e.collisionHeight>a?h>0&&0>=l?(i=t.top+h+e.collisionHeight-a-n,t.top+=h-i):t.top=l>0&&0>=h?n:h>l?n+a-e.collisionHeight:n:h>0?t.top+=h:l>0?t.top-=l:t.top=o(t.top-r,t.top)}},flip:{left:function(t,e){var i,s,n=e.within,o=n.offset.left+n.scrollLeft,r=n.width,h=n.isWindow?n.scrollLeft:n.offset.left,l=t.left-e.collisionPosition.marginLeft,c=l-h,u=l+e.collisionWidth-r-h,d="left"===e.my[0]?-e.elemWidth:"right"===e.my[0]?e.elemWidth:0,p="left"===e.at[0]?e.targetWidth:"right"===e.at[0]?-e.targetWidth:0,f=-2*e.offset[0];0>c?(i=t.left+d+p+f+e.collisionWidth-r-o,(0>i||a(c)>i)&&(t.left+=d+p+f)):u>0&&(s=t.left-e.collisionPosition.marginLeft+d+p+f-h,(s>0||u>a(s))&&(t.left+=d+p+f))},top:function(t,e){var i,s,n=e.within,o=n.offset.top+n.scrollTop,r=n.height,h=n.isWindow?n.scrollTop:n.offset.top,l=t.top-e.collisionPosition.marginTop,c=l-h,u=l+e.collisionHeight-r-h,d="top"===e.my[1],p=d?-e.elemHeight:"bottom"===e.my[1]?e.elemHeight:0,f="top"===e.at[1]?e.targetHeight:"bottom"===e.at[1]?-e.targetHeight:0,g=-2*e.offset[1];0>c?(s=t.top+p+f+g+e.collisionHeight-r-o,(0>s||a(c)>s)&&(t.top+=p+f+g)):u>0&&(i=t.top-e.collisionPosition.marginTop+p+f+g-h,(i>0||u>a(i))&&(t.top+=p+f+g))}},flipfit:{left:function(){t.ui.position.flip.left.apply(this,arguments),t.ui.position.fit.left.apply(this,arguments)},top:function(){t.ui.position.flip.top.apply(this,arguments),t.ui.position.fit.top.apply(this,arguments)}}}}(),t.ui.position,t.extend(t.expr[":"],{data:t.expr.createPseudo?t.expr.createPseudo(function(e){return function(i){return!!t.data(i,e)}}):function(e,i,s){return!!t.data(e,s[3])}}),t.fn.extend({disableSelection:function(){var t="onselectstart"in 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t.ui.keyCode.ESCAPE:this.collapse(e);break;default:a=!1,s=this.previousFilter||"",o=!1,n=e.keyCode>=96&&105>=e.keyCode?""+(e.keyCode-96):String.fromCharCode(e.keyCode),clearTimeout(this.filterTimer),n===s?o=!0:n=s+n,i=this._filterMenuItems(n),i=o&&-1!==i.index(this.active.next())?this.active.nextAll(".ui-menu-item"):i,i.length||(n=String.fromCharCode(e.keyCode),i=this._filterMenuItems(n)),i.length?(this.focus(e,i),this.previousFilter=n,this.filterTimer=this._delay(function(){delete this.previousFilter},1e3)):delete this.previousFilter}a&&e.preventDefault()},_activate:function(t){this.active&&!this.active.is(".ui-state-disabled")&&(this.active.children("[aria-haspopup='true']").length?this.expand(t):this.select(t))},refresh:function(){var e,i,s,n,o,a=this,r=this.options.icons.submenu,h=this.element.find(this.options.menus);this._toggleClass("ui-menu-icons",null,!!this.element.find(".ui-icon").length),s=h.filter(":not(.ui-menu)").hide().attr({role:this.options.role,"aria-hidden":"true","aria-expanded":"false"}).each(function(){var e=t(this),i=e.prev(),s=t("<span>").data("ui-menu-submenu-caret",!0);a._addClass(s,"ui-menu-icon","ui-icon "+r),i.attr("aria-haspopup","true").prepend(s),e.attr("aria-labelledby",i.attr("id"))}),this._addClass(s,"ui-menu","ui-widget ui-widget-content ui-front"),e=h.add(this.element),i=e.find(this.options.items),i.not(".ui-menu-item").each(function(){var e=t(this);a._isDivider(e)&&a._addClass(e,"ui-menu-divider","ui-widget-content")}),n=i.not(".ui-menu-item, .ui-menu-divider"),o=n.children().not(".ui-menu").uniqueId().attr({tabIndex:-1,role:this._itemRole()}),this._addClass(n,"ui-menu-item")._addClass(o,"ui-menu-item-wrapper"),i.filter(".ui-state-disabled").attr("aria-disabled","true"),this.active&&!t.contains(this.element[0],this.active[0])&&this.blur()},_itemRole:function(){return{menu:"menuitem",listbox:"option"}[this.options.role]},_setOption:function(t,e){if("icons"===t){var i=this.element.find(".ui-menu-icon");this._removeClass(i,null,this.options.icons.submenu)._addClass(i,null,e.submenu)}this._super(t,e)},_setOptionDisabled:function(t){this._super(t),this.element.attr("aria-disabled",t+""),this._toggleClass(null,"ui-state-disabled",!!t)},focus:function(t,e){var i,s,n;this.blur(t,t&&"focus"===t.type),this._scrollIntoView(e),this.active=e.first(),s=this.active.children(".ui-menu-item-wrapper"),this._addClass(s,null,"ui-state-active"),this.options.role&&this.element.attr("aria-activedescendant",s.attr("id")),n=this.active.parent().closest(".ui-menu-item").children(".ui-menu-item-wrapper"),this._addClass(n,null,"ui-state-active"),t&&"keydown"===t.type?this._close():this.timer=this._delay(function(){this._close()},this.delay),i=e.children(".ui-menu"),i.length&&t&&/^mouse/.test(t.type)&&this._startOpening(i),this.activeMenu=e.parent(),this._trigger("focus",t,{item:e})},_scrollIntoView:function(e){var i,s,n,o,a,r;this._hasScroll()&&(i=parseFloat(t.css(this.activeMenu[0],"borderTopWidth"))||0,s=parseFloat(t.css(this.activeMenu[0],"paddingTop"))||0,n=e.offset().top-this.activeMenu.offset().top-i-s,o=this.activeMenu.scrollTop(),a=this.activeMenu.height(),r=e.outerHeight(),0>n?this.activeMenu.scrollTop(o+n):n+r>a&&this.activeMenu.scrollTop(o+n-a+r))},blur:function(t,e){e||clearTimeout(this.timer),this.active&&(this._removeClass(this.active.children(".ui-menu-item-wrapper"),null,"ui-state-active"),this._trigger("blur",t,{item:this.active}),this.active=null)},_startOpening:function(t){clearTimeout(this.timer),"true"===t.attr("aria-hidden")&&(this.timer=this._delay(function(){this._close(),this._open(t)},this.delay))},_open:function(e){var i=t.extend({of:this.active},this.options.position);clearTimeout(this.timer),this.element.find(".ui-menu").not(e.parents(".ui-menu")).hide().attr("aria-hidden","true"),e.show().removeAttr("aria-hidden").attr("aria-expanded","true").position(i)},collapseAll:function(e,i){clearTimeout(this.timer),this.timer=this._delay(function(){var s=i?this.element:t(e&&e.target).closest(this.element.find(".ui-menu"));s.length||(s=this.element),this._close(s),this.blur(e),this._removeClass(s.find(".ui-state-active"),null,"ui-state-active"),this.activeMenu=s},this.delay)},_close:function(t){t||(t=this.active?this.active.parent():this.element),t.find(".ui-menu").hide().attr("aria-hidden","true").attr("aria-expanded","false")},_closeOnDocumentClick:function(e){return!t(e.target).closest(".ui-menu").length},_isDivider:function(t){return!/[^\-\u2014\u2013\s]/.test(t.text())},collapse:function(t){var e=this.active&&this.active.parent().closest(".ui-menu-item",this.element);e&&e.length&&(this._close(),this.focus(t,e))},expand:function(t){var e=this.active&&this.active.children(".ui-menu ").find(this.options.items).first();e&&e.length&&(this._open(e.parent()),this._delay(function(){this.focus(t,e)}))},next:function(t){this._move("next","first",t)},previous:function(t){this._move("prev","last",t)},isFirstItem:function(){return this.active&&!this.active.prevAll(".ui-menu-item").length},isLastItem:function(){return this.active&&!this.active.nextAll(".ui-menu-item").length},_move:function(t,e,i){var s;this.active&&(s="first"===t||"last"===t?this.active["first"===t?"prevAll":"nextAll"](".ui-menu-item").eq(-1):this.active[t+"All"](".ui-menu-item").eq(0)),s&&s.length&&this.active||(s=this.activeMenu.find(this.options.items)[e]()),this.focus(i,s)},nextPage:function(e){var i,s,n;return this.active?(this.isLastItem()||(this._hasScroll()?(s=this.active.offset().top,n=this.element.height(),this.active.nextAll(".ui-menu-item").each(function(){return i=t(this),0>i.offset().top-s-n}),this.focus(e,i)):this.focus(e,this.activeMenu.find(this.options.items)[this.active?"last":"first"]())),void 0):(this.next(e),void 0)},previousPage:function(e){var i,s,n;return this.active?(this.isFirstItem()||(this._hasScroll()?(s=this.active.offset().top,n=this.element.height(),this.active.prevAll(".ui-menu-item").each(function(){return i=t(this),i.offset().top-s+n>0}),this.focus(e,i)):this.focus(e,this.activeMenu.find(this.options.items).first())),void 0):(this.next(e),void 0)},_hasScroll:function(){return this.element.outerHeight()<this.element.prop("scrollHeight")},select:function(e){this.active=this.active||t(e.target).closest(".ui-menu-item");var i={item:this.active};this.active.has(".ui-menu").length||this.collapseAll(e,!0),this._trigger("select",e,i)},_filterMenuItems:function(e){var i=e.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g,"\\$&"),s=RegExp("^"+i,"i");return this.activeMenu.find(this.options.items).filter(".ui-menu-item").filter(function(){return s.test(t.trim(t(this).children(".ui-menu-item-wrapper").text()))})}}),t.widget("ui.autocomplete",{version:"1.12.1",defaultElement:"<input>",options:{appendTo:null,autoFocus:!1,delay:300,minLength:1,position:{my:"left top",at:"left bottom",collision:"none"},source:null,change:null,close:null,focus:null,open:null,response:null,search:null,select:null},requestIndex:0,pending:0,_create:function(){var e,i,s,n=this.element[0].nodeName.toLowerCase(),o="textarea"===n,a="input"===n;
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0;if(!i){var n=t.ui.keyCode;switch(s.keyCode){case n.PAGE_UP:this._move("previousPage",s);break;case n.PAGE_DOWN:this._move("nextPage",s);break;case n.UP:this._keyEvent("previous",s);break;case n.DOWN:this._keyEvent("next",s)}}},input:function(t){return s?(s=!1,t.preventDefault(),void 0):(this._searchTimeout(t),void 0)},focus:function(){this.selectedItem=null,this.previous=this._value()},blur:function(t){return this.cancelBlur?(delete this.cancelBlur,void 0):(clearTimeout(this.searching),this.close(t),this._change(t),void 0)}}),this._initSource(),this.menu=t("<ul>").appendTo(this._appendTo()).menu({role:null}).hide().menu("instance"),this._addClass(this.menu.element,"ui-autocomplete","ui-front"),this._on(this.menu.element,{mousedown:function(e){e.preventDefault(),this.cancelBlur=!0,this._delay(function(){delete this.cancelBlur,this.element[0]!==t.ui.safeActiveElement(this.document[0])&&this.element.trigger("focus")})},menufocus:function(e,i){var s,n;return this.isNewMenu&&(this.isNewMenu=!1,e.originalEvent&&/^mouse/.test(e.originalEvent.type))?(this.menu.blur(),this.document.one("mousemove",function(){t(e.target).trigger(e.originalEvent)}),void 0):(n=i.item.data("ui-autocomplete-item"),!1!==this._trigger("focus",e,{item:n})&&e.originalEvent&&/^key/.test(e.originalEvent.type)&&this._value(n.value),s=i.item.attr("aria-label")||n.value,s&&t.trim(s).length&&(this.liveRegion.children().hide(),t("<div>").text(s).appendTo(this.liveRegion)),void 0)},menuselect:function(e,i){var s=i.item.data("ui-autocomplete-item"),n=this.previous;this.element[0]!==t.ui.safeActiveElement(this.document[0])&&(this.element.trigger("focus"),this.previous=n,this._delay(function(){this.previous=n,this.selectedItem=s})),!1!==this._trigger("select",e,{item:s})&&this._value(s.value),this.term=this._value(),this.close(e),this.selectedItem=s}}),this.liveRegion=t("<div>",{role:"status","aria-live":"assertive","aria-relevant":"additions"}).appendTo(this.document[0].body),this._addClass(this.liveRegion,null,"ui-helper-hidden-accessible"),this._on(this.window,{beforeunload:function(){this.element.removeAttr("autocomplete")}})},_destroy:function(){clearTimeout(this.searching),this.element.removeAttr("autocomplete"),this.menu.element.remove(),this.liveRegion.remove()},_setOption:function(t,e){this._super(t,e),"source"===t&&this._initSource(),"appendTo"===t&&this.menu.element.appendTo(this._appendTo()),"disabled"===t&&e&&this.xhr&&this.xhr.abort()},_isEventTargetInWidget:function(e){var i=this.menu.element[0];return e.target===this.element[0]||e.target===i||t.contains(i,e.target)},_closeOnClickOutside:function(t){this._isEventTargetInWidget(t)||this.close()},_appendTo:function(){var e=this.options.appendTo;return e&&(e=e.jquery||e.nodeType?t(e):this.document.find(e).eq(0)),e&&e[0]||(e=this.element.closest(".ui-front, dialog")),e.length||(e=this.document[0].body),e},_initSource:function(){var e,i,s=this;t.isArray(this.options.source)?(e=this.options.source,this.source=function(i,s){s(t.ui.autocomplete.filter(e,i.term))}):"string"==typeof this.options.source?(i=this.options.source,this.source=function(e,n){s.xhr&&s.xhr.abort(),s.xhr=t.ajax({url:i,data:e,dataType:"json",success:function(t){n(t)},error:function(){n([])}})}):this.source=this.options.source},_searchTimeout:function(t){clearTimeout(this.searching),this.searching=this._delay(function(){var e=this.term===this._value(),i=this.menu.element.is(":visible"),s=t.altKey||t.ctrlKey||t.metaKey||t.shiftKey;(!e||e&&!i&&!s)&&(this.selectedItem=null,this.search(null,t))},this.options.delay)},search:function(t,e){return t=null!=t?t:this._value(),this.term=this._value(),t.length<this.options.minLength?this.close(e):this._trigger("search",e)!==!1?this._search(t):void 0},_search:function(t){this.pending++,this._addClass("ui-autocomplete-loading"),this.cancelSearch=!1,this.source({term:t},this._response())},_response:function(){var e=++this.requestIndex;return t.proxy(function(t){e===this.requestIndex&&this.__response(t),this.pending--,this.pending||this._removeClass("ui-autocomplete-loading")},this)},__response:function(t){t&&(t=this._normalize(t)),this._trigger("response",null,{content:t}),!this.options.disabled&&t&&t.length&&!this.cancelSearch?(this._suggest(t),this._trigger("open")):this._close()},close:function(t){this.cancelSearch=!0,this._close(t)},_close:function(t){this._off(this.document,"mousedown"),this.menu.element.is(":visible")&&(this.menu.element.hide(),this.menu.blur(),this.isNewMenu=!0,this._trigger("close",t))},_change:function(t){this.previous!==this._value()&&this._trigger("change",t,{item:this.selectedItem})},_normalize:function(e){return e.length&&e[0].label&&e[0].value?e:t.map(e,function(e){return"string"==typeof e?{label:e,value:e}:t.extend({},e,{label:e.label||e.value,value:e.value||e.label})})},_suggest:function(e){var i=this.menu.element.empty();this._renderMenu(i,e),this.isNewMenu=!0,this.menu.refresh(),i.show(),this._resizeMenu(),i.position(t.extend({of:this.element},this.options.position)),this.options.autoFocus&&this.menu.next(),this._on(this.document,{mousedown:"_closeOnClickOutside"})},_resizeMenu:function(){var t=this.menu.element;t.outerWidth(Math.max(t.width("").outerWidth()+1,this.element.outerWidth()))},_renderMenu:function(e,i){var s=this;t.each(i,function(t,i){s._renderItemData(e,i)})},_renderItemData:function(t,e){return this._renderItem(t,e).data("ui-autocomplete-item",e)},_renderItem:function(e,i){return t("<li>").append(t("<div>").text(i.label)).appendTo(e)},_move:function(t,e){return this.menu.element.is(":visible")?this.menu.isFirstItem()&&/^previous/.test(t)||this.menu.isLastItem()&&/^next/.test(t)?(this.isMultiLine||this._value(this.term),this.menu.blur(),void 0):(this.menu[t](e),void 0):(this.search(null,e),void 0)},widget:function(){return this.menu.element},_value:function(){return this.valueMethod.apply(this.element,arguments)},_keyEvent:function(t,e){(!this.isMultiLine||this.menu.element.is(":visible"))&&(this._move(t,e),e.preventDefault())},_isContentEditable:function(t){if(!t.length)return!1;var e=t.prop("contentEditable");return"inherit"===e?this._isContentEditable(t.parent()):"true"===e}}),t.extend(t.ui.autocomplete,{escapeRegex:function(t){return t.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g,"\\$&")},filter:function(e,i){var s=RegExp(t.ui.autocomplete.escapeRegex(i),"i");return t.grep(e,function(t){return s.test(t.label||t.value||t)})}}),t.widget("ui.autocomplete",t.ui.autocomplete,{options:{messages:{noResults:"No search results.",results:function(t){return t+(t>1?" results are":" result is")+" available, use up and down arrow keys to navigate."}}},__response:function(e){var i;this._superApply(arguments),this.options.disabled||this.cancelSearch||(i=e&&e.length?this.options.messages.results(e.length):this.options.messages.noResults,this.liveRegion.children().hide(),t("<div>").text(i).appendTo(this.liveRegion))}}),t.ui.autocomplete;var g=/ui-corner-([a-z]){2,6}/g;t.widget("ui.controlgroup",{version:"1.12.1",defaultElement:"<div>",options:{direction:"horizontal",disabled:null,onlyVisible:!0,items:{button:"input[type=button], input[type=submit], input[type=reset], button, a",controlgroupLabel:".ui-controlgroup-label",checkboxradio:"input[type='checkbox'], input[type='radio']",selectmenu:"select",spinner:".ui-spinner-input"}},_create:function(){this._enhance()},_enhance:function(){this.element.attr("role","toolbar"),this.refresh()},_destroy:function(){this._callChildMethod("destroy"),this.childWidgets.removeData("ui-controlgroup-data"),this.element.removeAttr("role"),this.options.items.controlgroupLabel&&this.element.find(this.options.items.controlgroupLabel).find(".ui-controlgroup-label-contents").contents().unwrap()},_initWidgets:function(){var e=this,i=[];t.each(this.options.items,function(s,n){var o,a={};return n?"controlgroupLabel"===s?(o=e.element.find(n),o.each(function(){var e=t(this);e.children(".ui-controlgroup-label-contents").length||e.contents().wrapAll("<span class='ui-controlgroup-label-contents'></span>")}),e._addClass(o,null,"ui-widget ui-widget-content ui-state-default"),i=i.concat(o.get()),void 0):(t.fn[s]&&(a=e["_"+s+"Options"]?e["_"+s+"Options"]("middle"):{classes:{}},e.element.find(n).each(function(){var n=t(this),o=n[s]("instance"),r=t.widget.extend({},a);if("button"!==s||!n.parent(".ui-spinner").length){o||(o=n[s]()[s]("instance")),o&&(r.classes=e._resolveClassesValues(r.classes,o)),n[s](r);var h=n[s]("widget");t.data(h[0],"ui-controlgroup-data",o?o:n[s]("instance")),i.push(h[0])}})),void 0):void 0}),this.childWidgets=t(t.unique(i)),this._addClass(this.childWidgets,"ui-controlgroup-item")},_callChildMethod:function(e){this.childWidgets.each(function(){var i=t(this),s=i.data("ui-controlgroup-data");s&&s[e]&&s[e]()})},_updateCornerClass:function(t,e){var i="ui-corner-top ui-corner-bottom ui-corner-left ui-corner-right ui-corner-all",s=this._buildSimpleOptions(e,"label").classes.label;this._removeClass(t,null,i),this._addClass(t,null,s)},_buildSimpleOptions:function(t,e){var i="vertical"===this.options.direction,s={classes:{}};return s.classes[e]={middle:"",first:"ui-corner-"+(i?"top":"left"),last:"ui-corner-"+(i?"bottom":"right"),only:"ui-corner-all"}[t],s},_spinnerOptions:function(t){var e=this._buildSimpleOptions(t,"ui-spinner");return e.classes["ui-spinner-up"]="",e.classes["ui-spinner-down"]="",e},_buttonOptions:function(t){return this._buildSimpleOptions(t,"ui-button")},_checkboxradioOptions:function(t){return this._buildSimpleOptions(t,"ui-checkboxradio-label")},_selectmenuOptions:function(t){var e="vertical"===this.options.direction;return{width:e?"auto":!1,classes:{middle:{"ui-selectmenu-button-open":"","ui-selectmenu-button-closed":""},first:{"ui-selectmenu-button-open":"ui-corner-"+(e?"top":"tl"),"ui-selectmenu-button-closed":"ui-corner-"+(e?"top":"left")},last:{"ui-selectmenu-button-open":e?"":"ui-corner-tr","ui-selectmenu-button-closed":"ui-corner-"+(e?"bottom":"right")},only:{"ui-selectmenu-button-open":"ui-corner-top","ui-selectmenu-button-closed":"ui-corner-all"}}[t]}},_resolveClassesValues:function(e,i){var s={};return t.each(e,function(n){var o=i.options.classes[n]||"";o=t.trim(o.replace(g,"")),s[n]=(o+" "+e[n]).replace(/\s+/g," ")}),s},_setOption:function(t,e){return"direction"===t&&this._removeClass("ui-controlgroup-"+this.options.direction),this._super(t,e),"disabled"===t?(this._callChildMethod(e?"disable":"enable"),void 0):(this.refresh(),void 0)},refresh:function(){var e,i=this;this._addClass("ui-controlgroup ui-controlgroup-"+this.options.direction),"horizontal"===this.options.direction&&this._addClass(null,"ui-helper-clearfix"),this._initWidgets(),e=this.childWidgets,this.options.onlyVisible&&(e=e.filter(":visible")),e.length&&(t.each(["first","last"],function(t,s){var n=e[s]().data("ui-controlgroup-data");if(n&&i["_"+n.widgetName+"Options"]){var o=i["_"+n.widgetName+"Options"](1===e.length?"only":s);o.classes=i._resolveClassesValues(o.classes,n),n.element[n.widgetName](o)}else i._updateCornerClass(e[s](),s)}),this._callChildMethod("refresh"))}}),t.widget("ui.checkboxradio",[t.ui.formResetMixin,{version:"1.12.1",options:{disabled:null,label:null,icon:!0,classes:{"ui-checkboxradio-label":"ui-corner-all","ui-checkboxradio-icon":"ui-corner-all"}},_getCreateOptions:function(){var e,i,s=this,n=this._super()||{};return this._readType(),i=this.element.labels(),this.label=t(i[i.length-1]),this.label.length||t.error("No label found for checkboxradio widget"),this.originalLabel="",this.label.contents().not(this.element[0]).each(function(){s.originalLabel+=3===this.nodeType?t(this).text():this.outerHTML}),this.originalLabel&&(n.label=this.originalLabel),e=this.element[0].disabled,null!=e&&(n.disabled=e),n},_create:function(){var t=this.element[0].checked;this._bindFormResetHandler(),null==this.options.disabled&&(this.options.disabled=this.element[0].disabled),this._setOption("disabled",this.options.disabled),this._addClass("ui-checkboxradio","ui-helper-hidden-accessible"),this._addClass(this.label,"ui-checkboxradio-label","ui-button ui-widget"),"radio"===this.type&&this._addClass(this.label,"ui-checkboxradio-radio-label"),this.options.label&&this.options.label!==this.originalLabel?this._updateLabel():this.originalLabel&&(this.options.label=this.originalLabel),this._enhance(),t&&(this._addClass(this.label,"ui-checkboxradio-checked","ui-state-active"),this.icon&&this._addClass(this.icon,null,"ui-state-hover")),this._on({change:"_toggleClasses",focus:function(){this._addClass(this.label,null,"ui-state-focus ui-visual-focus")},blur:function(){this._removeClass(this.label,null,"ui-state-focus ui-visual-focus")}})},_readType:function(){var e=this.element[0].nodeName.toLowerCase();this.type=this.element[0].type,"input"===e&&/radio|checkbox/.test(this.type)||t.error("Can't create checkboxradio on element.nodeName="+e+" and element.type="+this.type)},_enhance:function(){this._updateIcon(this.element[0].checked)},widget:function(){return this.label},_getRadioGroup:function(){var e,i=this.element[0].name,s="input[name='"+t.ui.escapeSelector(i)+"']";return i?(e=this.form.length?t(this.form[0].elements).filter(s):t(s).filter(function(){return 0===t(this).form().length}),e.not(this.element)):t([])},_toggleClasses:function(){var e=this.element[0].checked;this._toggleClass(this.label,"ui-checkboxradio-checked","ui-state-active",e),this.options.icon&&"checkbox"===this.type&&this._toggleClass(this.icon,null,"ui-icon-check ui-state-checked",e)._toggleClass(this.icon,null,"ui-icon-blank",!e),"radio"===this.type&&this._getRadioGroup().each(function(){var e=t(this).checkboxradio("instance");e&&e._removeClass(e.label,"ui-checkboxradio-checked","ui-state-active")})},_destroy:function(){this._unbindFormResetHandler(),this.icon&&(this.icon.remove(),this.iconSpace.remove())},_setOption:function(t,e){return"label"!==t||e?(this._super(t,e),"disabled"===t?(this._toggleClass(this.label,null,"ui-state-disabled",e),this.element[0].disabled=e,void 0):(this.refresh(),void 0)):void 0},_updateIcon:function(e){var i="ui-icon ui-icon-background ";this.options.icon?(this.icon||(this.icon=t("<span>"),this.iconSpace=t("<span> </span>"),this._addClass(this.iconSpace,"ui-checkboxradio-icon-space")),"checkbox"===this.type?(i+=e?"ui-icon-check ui-state-checked":"ui-icon-blank",this._removeClass(this.icon,null,e?"ui-icon-blank":"ui-icon-check")):i+="ui-icon-blank",this._addClass(this.icon,"ui-checkboxradio-icon",i),e||this._removeClass(this.icon,null,"ui-icon-check ui-state-checked"),this.icon.prependTo(this.label).after(this.iconSpace)):void 0!==this.icon&&(this.icon.remove(),this.iconSpace.remove(),delete this.icon)},_updateLabel:function(){var t=this.label.contents().not(this.element[0]);this.icon&&(t=t.not(this.icon[0])),this.iconSpace&&(t=t.not(this.iconSpace[0])),t.remove(),this.label.append(this.options.label)},refresh:function(){var t=this.element[0].checked,e=this.element[0].disabled;this._updateIcon(t),this._toggleClass(this.label,"ui-checkboxradio-checked","ui-state-active",t),null!==this.options.label&&this._updateLabel(),e!==this.options.disabled&&this._setOptions({disabled:e})}}]),t.ui.checkboxradio,t.widget("ui.button",{version:"1.12.1",defaultElement:"<button>",options:{classes:{"ui-button":"ui-corner-all"},disabled:null,icon:null,iconPosition:"beginning",label:null,showLabel:!0},_getCreateOptions:function(){var t,e=this._super()||{};return this.isInput=this.element.is("input"),t=this.element[0].disabled,null!=t&&(e.disabled=t),this.originalLabel=this.isInput?this.element.val():this.element.html(),this.originalLabel&&(e.label=this.originalLabel),e},_create:function(){!this.option.showLabel&!this.options.icon&&(this.options.showLabel=!0),null==this.options.disabled&&(this.options.disabled=this.element[0].disabled||!1),this.hasTitle=!!this.element.attr("title"),this.options.label&&this.options.label!==this.originalLabel&&(this.isInput?this.element.val(this.options.label):this.element.html(this.options.label)),this._addClass("ui-button","ui-widget"),this._setOption("disabled",this.options.disabled),this._enhance(),this.element.is("a")&&this._on({keyup:function(e){e.keyCode===t.ui.keyCode.SPACE&&(e.preventDefault(),this.element[0].click?this.element[0].click():this.element.trigger("click"))}})},_enhance:function(){this.element.is("button")||this.element.attr("role","button"),this.options.icon&&(this._updateIcon("icon",this.options.icon),this._updateTooltip())},_updateTooltip:function(){this.title=this.element.attr("title"),this.options.showLabel||this.title||this.element.attr("title",this.options.label)},_updateIcon:function(e,i){var s="iconPosition"!==e,n=s?this.options.iconPosition:i,o="top"===n||"bottom"===n;this.icon?s&&this._removeClass(this.icon,null,this.options.icon):(this.icon=t("<span>"),this._addClass(this.icon,"ui-button-icon","ui-icon"),this.options.showLabel||this._addClass("ui-button-icon-only")),s&&this._addClass(this.icon,null,i),this._attachIcon(n),o?(this._addClass(this.icon,null,"ui-widget-icon-block"),this.iconSpace&&this.iconSpace.remove()):(this.iconSpace||(this.iconSpace=t("<span> </span>"),this._addClass(this.iconSpace,"ui-button-icon-space")),this._removeClass(this.icon,null,"ui-wiget-icon-block"),this._attachIconSpace(n))},_destroy:function(){this.element.removeAttr("role"),this.icon&&this.icon.remove(),this.iconSpace&&this.iconSpace.remove(),this.hasTitle||this.element.removeAttr("title")},_attachIconSpace:function(t){this.icon[/^(?:end|bottom)/.test(t)?"before":"after"](this.iconSpace)},_attachIcon:function(t){this.element[/^(?:end|bottom)/.test(t)?"append":"prepend"](this.icon)},_setOptions:function(t){var e=void 0===t.showLabel?this.options.showLabel:t.showLabel,i=void 0===t.icon?this.options.icon:t.icon;e||i||(t.showLabel=!0),this._super(t)},_setOption:function(t,e){"icon"===t&&(e?this._updateIcon(t,e):this.icon&&(this.icon.remove(),this.iconSpace&&this.iconSpace.remove())),"iconPosition"===t&&this._updateIcon(t,e),"showLabel"===t&&(this._toggleClass("ui-button-icon-only",null,!e),this._updateTooltip()),"label"===t&&(this.isInput?this.element.val(e):(this.element.html(e),this.icon&&(this._attachIcon(this.options.iconPosition),this._attachIconSpace(this.options.iconPosition)))),this._super(t,e),"disabled"===t&&(this._toggleClass(null,"ui-state-disabled",e),this.element[0].disabled=e,e&&this.element.blur())},refresh:function(){var t=this.element.is("input, button")?this.element[0].disabled:this.element.hasClass("ui-button-disabled");t!==this.options.disabled&&this._setOptions({disabled:t}),this._updateTooltip()}}),t.uiBackCompat!==!1&&(t.widget("ui.button",t.ui.button,{options:{text:!0,icons:{primary:null,secondary:null}},_create:function(){this.options.showLabel&&!this.options.text&&(this.options.showLabel=this.options.text),!this.options.showLabel&&this.options.text&&(this.options.text=this.options.showLabel),this.options.icon||!this.options.icons.primary&&!this.options.icons.secondary?this.options.icon&&(this.options.icons.primary=this.options.icon):this.options.icons.primary?this.options.icon=this.options.icons.primary:(this.options.icon=this.options.icons.secondary,this.options.iconPosition="end"),this._super()},_setOption:function(t,e){return"text"===t?(this._super("showLabel",e),void 0):("showLabel"===t&&(this.options.text=e),"icon"===t&&(this.options.icons.primary=e),"icons"===t&&(e.primary?(this._super("icon",e.primary),this._super("iconPosition","beginning")):e.secondary&&(this._super("icon",e.secondary),this._super("iconPosition","end"))),this._superApply(arguments),void 0)}}),t.fn.button=function(e){return function(){return!this.length||this.length&&"INPUT"!==this[0].tagName||this.length&&"INPUT"===this[0].tagName&&"checkbox"!==this.attr("type")&&"radio"!==this.attr("type")?e.apply(this,arguments):(t.ui.checkboxradio||t.error("Checkboxradio widget missing"),0===arguments.length?this.checkboxradio({icon:!1}):this.checkboxradio.apply(this,arguments))}}(t.fn.button),t.fn.buttonset=function(){return t.ui.controlgroup||t.error("Controlgroup widget missing"),"option"===arguments[0]&&"items"===arguments[1]&&arguments[2]?this.controlgroup.apply(this,[arguments[0],"items.button",arguments[2]]):"option"===arguments[0]&&"items"===arguments[1]?this.controlgroup.apply(this,[arguments[0],"items.button"]):("object"==typeof arguments[0]&&arguments[0].items&&(arguments[0].items={button:arguments[0].items}),this.controlgroup.apply(this,arguments))}),t.ui.button,t.extend(t.ui,{datepicker:{version:"1.12.1"}});var m;t.extend(s.prototype,{markerClassName:"hasDatepicker",maxRows:4,_widgetDatepicker:function(){return this.dpDiv},setDefaults:function(t){return a(this._defaults,t||{}),this},_attachDatepicker:function(e,i){var s,n,o;s=e.nodeName.toLowerCase(),n="div"===s||"span"===s,e.id||(this.uuid+=1,e.id="dp"+this.uuid),o=this._newInst(t(e),n),o.settings=t.extend({},i||{}),"input"===s?this._connectDatepicker(e,o):n&&this._inlineDatepicker(e,o)},_newInst:function(e,i){var s=e[0].id.replace(/([^A-Za-z0-9_\-])/g,"\\\\$1");return{id:s,input:e,selectedDay:0,selectedMonth:0,selectedYear:0,drawMonth:0,drawYear:0,inline:i,dpDiv:i?n(t("<div class='"+this._inlineClass+" ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>")):this.dpDiv}},_connectDatepicker:function(e,i){var s=t(e);i.append=t([]),i.trigger=t([]),s.hasClass(this.markerClassName)||(this._attachments(s,i),s.addClass(this.markerClassName).on("keydown",this._doKeyDown).on("keypress",this._doKeyPress).on("keyup",this._doKeyUp),this._autoSize(i),t.data(e,"datepicker",i),i.settings.disabled&&this._disableDatepicker(e))},_attachments:function(e,i){var s,n,o,a=this._get(i,"appendText"),r=this._get(i,"isRTL");i.append&&i.append.remove(),a&&(i.append=t("<span class='"+this._appendClass+"'>"+a+"</span>"),e[r?"before":"after"](i.append)),e.off("focus",this._showDatepicker),i.trigger&&i.trigger.remove(),s=this._get(i,"showOn"),("focus"===s||"both"===s)&&e.on("focus",this._showDatepicker),("button"===s||"both"===s)&&(n=this._get(i,"buttonText"),o=this._get(i,"buttonImage"),i.trigger=t(this._get(i,"buttonImageOnly")?t("<img/>").addClass(this._triggerClass).attr({src:o,alt:n,title:n}):t("<button type='button'></button>").addClass(this._triggerClass).html(o?t("<img/>").attr({src:o,alt:n,title:n}):n)),e[r?"before":"after"](i.trigger),i.trigger.on("click",function(){return t.datepicker._datepickerShowing&&t.datepicker._lastInput===e[0]?t.datepicker._hideDatepicker():t.datepicker._datepickerShowing&&t.datepicker._lastInput!==e[0]?(t.datepicker._hideDatepicker(),t.datepicker._showDatepicker(e[0])):t.datepicker._showDatepicker(e[0]),!1}))},_autoSize:function(t){if(this._get(t,"autoSize")&&!t.inline){var e,i,s,n,o=new Date(2009,11,20),a=this._get(t,"dateFormat");a.match(/[DM]/)&&(e=function(t){for(i=0,s=0,n=0;t.length>n;n++)t[n].length>i&&(i=t[n].length,s=n);return s},o.setMonth(e(this._get(t,a.match(/MM/)?"monthNames":"monthNamesShort"))),o.setDate(e(this._get(t,a.match(/DD/)?"dayNames":"dayNamesShort"))+20-o.getDay())),t.input.attr("size",this._formatDate(t,o).length)}},_inlineDatepicker:function(e,i){var s=t(e);s.hasClass(this.markerClassName)||(s.addClass(this.markerClassName).append(i.dpDiv),t.data(e,"datepicker",i),this._setDate(i,this._getDefaultDate(i),!0),this._updateDatepicker(i),this._updateAlternate(i),i.settings.disabled&&this._disableDatepicker(e),i.dpDiv.css("display","block"))},_dialogDatepicker:function(e,i,s,n,o){var r,h,l,c,u,d=this._dialogInst;return d||(this.uuid+=1,r="dp"+this.uuid,this._dialogInput=t("<input type='text' id='"+r+"' style='position: absolute; top: -100px; width: 0px;'/>"),this._dialogInput.on("keydown",this._doKeyDown),t("body").append(this._dialogInput),d=this._dialogInst=this._newInst(this._dialogInput,!1),d.settings={},t.data(this._dialogInput[0],"datepicker",d)),a(d.settings,n||{}),i=i&&i.constructor===Date?this._formatDate(d,i):i,this._dialogInput.val(i),this._pos=o?o.length?o:[o.pageX,o.pageY]:null,this._pos||(h=document.documentElement.clientWidth,l=document.documentElement.clientHeight,c=document.documentElement.scrollLeft||document.body.scrollLeft,u=document.documentElement.scrollTop||document.body.scrollTop,this._pos=[h/2-100+c,l/2-150+u]),this._dialogInput.css("left",this._pos[0]+20+"px").css("top",this._pos[1]+"px"),d.settings.onSelect=s,this._inDialog=!0,this.dpDiv.addClass(this._dialogClass),this._showDatepicker(this._dialogInput[0]),t.blockUI&&t.blockUI(this.dpDiv),t.data(this._dialogInput[0],"datepicker",d),this},_destroyDatepicker:function(e){var i,s=t(e),n=t.data(e,"datepicker");s.hasClass(this.markerClassName)&&(i=e.nodeName.toLowerCase(),t.removeData(e,"datepicker"),"input"===i?(n.append.remove(),n.trigger.remove(),s.removeClass(this.markerClassName).off("focus",this._showDatepicker).off("keydown",this._doKeyDown).off("keypress",this._doKeyPress).off("keyup",this._doKeyUp)):("div"===i||"span"===i)&&s.removeClass(this.markerClassName).empty(),m===n&&(m=null))},_enableDatepicker:function(e){var i,s,n=t(e),o=t.data(e,"datepicker");n.hasClass(this.markerClassName)&&(i=e.nodeName.toLowerCase(),"input"===i?(e.disabled=!1,o.trigger.filter("button").each(function(){this.disabled=!1}).end().filter("img").css({opacity:"1.0",cursor:""})):("div"===i||"span"===i)&&(s=n.children("."+this._inlineClass),s.children().removeClass("ui-state-disabled"),s.find("select.ui-datepicker-month, select.ui-datepicker-year").prop("disabled",!1)),this._disabledInputs=t.map(this._disabledInputs,function(t){return t===e?null:t}))},_disableDatepicker:function(e){var i,s,n=t(e),o=t.data(e,"datepicker");n.hasClass(this.markerClassName)&&(i=e.nodeName.toLowerCase(),"input"===i?(e.disabled=!0,o.trigger.filter("button").each(function(){this.disabled=!0}).end().filter("img").css({opacity:"0.5",cursor:"default"})):("div"===i||"span"===i)&&(s=n.children("."+this._inlineClass),s.children().addClass("ui-state-disabled"),s.find("select.ui-datepicker-month, select.ui-datepicker-year").prop("disabled",!0)),this._disabledInputs=t.map(this._disabledInputs,function(t){return t===e?null:t}),this._disabledInputs[this._disabledInputs.length]=e)},_isDisabledDatepicker:function(t){if(!t)return!1;for(var e=0;this._disabledInputs.length>e;e++)if(this._disabledInputs[e]===t)return!0;return!1},_getInst:function(e){try{return t.data(e,"datepicker")}catch(i){throw"Missing instance data for this datepicker"}},_optionDatepicker:function(e,i,s){var n,o,r,h,l=this._getInst(e);return 2===arguments.length&&"string"==typeof i?"defaults"===i?t.extend({},t.datepicker._defaults):l?"all"===i?t.extend({},l.settings):this._get(l,i):null:(n=i||{},"string"==typeof i&&(n={},n[i]=s),l&&(this._curInst===l&&this._hideDatepicker(),o=this._getDateDatepicker(e,!0),r=this._getMinMaxDate(l,"min"),h=this._getMinMaxDate(l,"max"),a(l.settings,n),null!==r&&void 0!==n.dateFormat&&void 0===n.minDate&&(l.settings.minDate=this._formatDate(l,r)),null!==h&&void 0!==n.dateFormat&&void 0===n.maxDate&&(l.settings.maxDate=this._formatDate(l,h)),"disabled"in n&&(n.disabled?this._disableDatepicker(e):this._enableDatepicker(e)),this._attachments(t(e),l),this._autoSize(l),this._setDate(l,o),this._updateAlternate(l),this._updateDatepicker(l)),void 0)},_changeDatepicker:function(t,e,i){this._optionDatepicker(t,e,i)},_refreshDatepicker:function(t){var e=this._getInst(t);e&&this._updateDatepicker(e)},_setDateDatepicker:function(t,e){var i=this._getInst(t);i&&(this._setDate(i,e),this._updateDatepicker(i),this._updateAlternate(i))},_getDateDatepicker:function(t,e){var i=this._getInst(t);return i&&!i.inline&&this._setDateFromField(i,e),i?this._getDate(i):null},_doKeyDown:function(e){var i,s,n,o=t.datepicker._getInst(e.target),a=!0,r=o.dpDiv.is(".ui-datepicker-rtl");if(o._keyEvent=!0,t.datepicker._datepickerShowing)switch(e.keyCode){case 9:t.datepicker._hideDatepicker(),a=!1;break;case 13:return n=t("td."+t.datepicker._dayOverClass+":not(."+t.datepicker._currentClass+")",o.dpDiv),n[0]&&t.datepicker._selectDay(e.target,o.selectedMonth,o.selectedYear,n[0]),i=t.datepicker._get(o,"onSelect"),i?(s=t.datepicker._formatDate(o),i.apply(o.input?o.input[0]:null,[s,o])):t.datepicker._hideDatepicker(),!1;case 27:t.datepicker._hideDatepicker();break;case 33:t.datepicker._adjustDate(e.target,e.ctrlKey?-t.datepicker._get(o,"stepBigMonths"):-t.datepicker._get(o,"stepMonths"),"M");break;case 34:t.datepicker._adjustDate(e.target,e.ctrlKey?+t.datepicker._get(o,"stepBigMonths"):+t.datepicker._get(o,"stepMonths"),"M");break;case 35:(e.ctrlKey||e.metaKey)&&t.datepicker._clearDate(e.target),a=e.ctrlKey||e.metaKey;break;case 36:(e.ctrlKey||e.metaKey)&&t.datepicker._gotoToday(e.target),a=e.ctrlKey||e.metaKey;break;case 37:(e.ctrlKey||e.metaKey)&&t.datepicker._adjustDate(e.target,r?1:-1,"D"),a=e.ctrlKey||e.metaKey,e.originalEvent.altKey&&t.datepicker._adjustDate(e.target,e.ctrlKey?-t.datepicker._get(o,"stepBigMonths"):-t.datepicker._get(o,"stepMonths"),"M");break;case 38:(e.ctrlKey||e.metaKey)&&t.datepicker._adjustDate(e.target,-7,"D"),a=e.ctrlKey||e.metaKey;break;case 39:(e.ctrlKey||e.metaKey)&&t.datepicker._adjustDate(e.target,r?-1:1,"D"),a=e.ctrlKey||e.metaKey,e.originalEvent.altKey&&t.datepicker._adjustDate(e.target,e.ctrlKey?+t.datepicker._get(o,"stepBigMonths"):+t.datepicker._get(o,"stepMonths"),"M");break;case 40:(e.ctrlKey||e.metaKey)&&t.datepicker._adjustDate(e.target,7,"D"),a=e.ctrlKey||e.metaKey;break;default:a=!1}else 36===e.keyCode&&e.ctrlKey?t.datepicker._showDatepicker(this):a=!1;a&&(e.preventDefault(),e.stopPropagation())},_doKeyPress:function(e){var i,s,n=t.datepicker._getInst(e.target);return t.datepicker._get(n,"constrainInput")?(i=t.datepicker._possibleChars(t.datepicker._get(n,"dateFormat")),s=String.fromCharCode(null==e.charCode?e.keyCode:e.charCode),e.ctrlKey||e.metaKey||" ">s||!i||i.indexOf(s)>-1):void 0},_doKeyUp:function(e){var i,s=t.datepicker._getInst(e.target);if(s.input.val()!==s.lastVal)try{i=t.datepicker.parseDate(t.datepicker._get(s,"dateFormat"),s.input?s.input.val():null,t.datepicker._getFormatConfig(s)),i&&(t.datepicker._setDateFromField(s),t.datepicker._updateAlternate(s),t.datepicker._updateDatepicker(s))}catch(n){}return!0},_showDatepicker:function(e){if(e=e.target||e,"input"!==e.nodeName.toLowerCase()&&(e=t("input",e.parentNode)[0]),!t.datepicker._isDisabledDatepicker(e)&&t.datepicker._lastInput!==e){var s,n,o,r,h,l,c;s=t.datepicker._getInst(e),t.datepicker._curInst&&t.datepicker._curInst!==s&&(t.datepicker._curInst.dpDiv.stop(!0,!0),s&&t.datepicker._datepickerShowing&&t.datepicker._hideDatepicker(t.datepicker._curInst.input[0])),n=t.datepicker._get(s,"beforeShow"),o=n?n.apply(e,[e,s]):{},o!==!1&&(a(s.settings,o),s.lastVal=null,t.datepicker._lastInput=e,t.datepicker._setDateFromField(s),t.datepicker._inDialog&&(e.value=""),t.datepicker._pos||(t.datepicker._pos=t.datepicker._findPos(e),t.datepicker._pos[1]+=e.offsetHeight),r=!1,t(e).parents().each(function(){return r|="fixed"===t(this).css("position"),!r}),h={left:t.datepicker._pos[0],top:t.datepicker._pos[1]},t.datepicker._pos=null,s.dpDiv.empty(),s.dpDiv.css({position:"absolute",display:"block",top:"-1000px"}),t.datepicker._updateDatepicker(s),h=t.datepicker._checkOffset(s,h,r),s.dpDiv.css({position:t.datepicker._inDialog&&t.blockUI?"static":r?"fixed":"absolute",display:"none",left:h.left+"px",top:h.top+"px"}),s.inline||(l=t.datepicker._get(s,"showAnim"),c=t.datepicker._get(s,"duration"),s.dpDiv.css("z-index",i(t(e))+1),t.datepicker._datepickerShowing=!0,t.effects&&t.effects.effect[l]?s.dpDiv.show(l,t.datepicker._get(s,"showOptions"),c):s.dpDiv[l||"show"](l?c:null),t.datepicker._shouldFocusInput(s)&&s.input.trigger("focus"),t.datepicker._curInst=s))
-}},_updateDatepicker:function(e){this.maxRows=4,m=e,e.dpDiv.empty().append(this._generateHTML(e)),this._attachHandlers(e);var i,s=this._getNumberOfMonths(e),n=s[1],a=17,r=e.dpDiv.find("."+this._dayOverClass+" a");r.length>0&&o.apply(r.get(0)),e.dpDiv.removeClass("ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4").width(""),n>1&&e.dpDiv.addClass("ui-datepicker-multi-"+n).css("width",a*n+"em"),e.dpDiv[(1!==s[0]||1!==s[1]?"add":"remove")+"Class"]("ui-datepicker-multi"),e.dpDiv[(this._get(e,"isRTL")?"add":"remove")+"Class"]("ui-datepicker-rtl"),e===t.datepicker._curInst&&t.datepicker._datepickerShowing&&t.datepicker._shouldFocusInput(e)&&e.input.trigger("focus"),e.yearshtml&&(i=e.yearshtml,setTimeout(function(){i===e.yearshtml&&e.yearshtml&&e.dpDiv.find("select.ui-datepicker-year:first").replaceWith(e.yearshtml),i=e.yearshtml=null},0))},_shouldFocusInput:function(t){return t.input&&t.input.is(":visible")&&!t.input.is(":disabled")&&!t.input.is(":focus")},_checkOffset:function(e,i,s){var n=e.dpDiv.outerWidth(),o=e.dpDiv.outerHeight(),a=e.input?e.input.outerWidth():0,r=e.input?e.input.outerHeight():0,h=document.documentElement.clientWidth+(s?0:t(document).scrollLeft()),l=document.documentElement.clientHeight+(s?0:t(document).scrollTop());return i.left-=this._get(e,"isRTL")?n-a:0,i.left-=s&&i.left===e.input.offset().left?t(document).scrollLeft():0,i.top-=s&&i.top===e.input.offset().top+r?t(document).scrollTop():0,i.left-=Math.min(i.left,i.left+n>h&&h>n?Math.abs(i.left+n-h):0),i.top-=Math.min(i.top,i.top+o>l&&l>o?Math.abs(o+r):0),i},_findPos:function(e){for(var i,s=this._getInst(e),n=this._get(s,"isRTL");e&&("hidden"===e.type||1!==e.nodeType||t.expr.filters.hidden(e));)e=e[n?"previousSibling":"nextSibling"];return i=t(e).offset(),[i.left,i.top]},_hideDatepicker:function(e){var i,s,n,o,a=this._curInst;!a||e&&a!==t.data(e,"datepicker")||this._datepickerShowing&&(i=this._get(a,"showAnim"),s=this._get(a,"duration"),n=function(){t.datepicker._tidyDialog(a)},t.effects&&(t.effects.effect[i]||t.effects[i])?a.dpDiv.hide(i,t.datepicker._get(a,"showOptions"),s,n):a.dpDiv["slideDown"===i?"slideUp":"fadeIn"===i?"fadeOut":"hide"](i?s:null,n),i||n(),this._datepickerShowing=!1,o=this._get(a,"onClose"),o&&o.apply(a.input?a.input[0]:null,[a.input?a.input.val():"",a]),this._lastInput=null,this._inDialog&&(this._dialogInput.css({position:"absolute",left:"0",top:"-100px"}),t.blockUI&&(t.unblockUI(),t("body").append(this.dpDiv))),this._inDialog=!1)},_tidyDialog:function(t){t.dpDiv.removeClass(this._dialogClass).off(".ui-datepicker-calendar")},_checkExternalClick:function(e){if(t.datepicker._curInst){var i=t(e.target),s=t.datepicker._getInst(i[0]);(i[0].id!==t.datepicker._mainDivId&&0===i.parents("#"+t.datepicker._mainDivId).length&&!i.hasClass(t.datepicker.markerClassName)&&!i.closest("."+t.datepicker._triggerClass).length&&t.datepicker._datepickerShowing&&(!t.datepicker._inDialog||!t.blockUI)||i.hasClass(t.datepicker.markerClassName)&&t.datepicker._curInst!==s)&&t.datepicker._hideDatepicker()}},_adjustDate:function(e,i,s){var n=t(e),o=this._getInst(n[0]);this._isDisabledDatepicker(n[0])||(this._adjustInstDate(o,i+("M"===s?this._get(o,"showCurrentAtPos"):0),s),this._updateDatepicker(o))},_gotoToday:function(e){var i,s=t(e),n=this._getInst(s[0]);this._get(n,"gotoCurrent")&&n.currentDay?(n.selectedDay=n.currentDay,n.drawMonth=n.selectedMonth=n.currentMonth,n.drawYear=n.selectedYear=n.currentYear):(i=new Date,n.selectedDay=i.getDate(),n.drawMonth=n.selectedMonth=i.getMonth(),n.drawYear=n.selectedYear=i.getFullYear()),this._notifyChange(n),this._adjustDate(s)},_selectMonthYear:function(e,i,s){var n=t(e),o=this._getInst(n[0]);o["selected"+("M"===s?"Month":"Year")]=o["draw"+("M"===s?"Month":"Year")]=parseInt(i.options[i.selectedIndex].value,10),this._notifyChange(o),this._adjustDate(n)},_selectDay:function(e,i,s,n){var o,a=t(e);t(n).hasClass(this._unselectableClass)||this._isDisabledDatepicker(a[0])||(o=this._getInst(a[0]),o.selectedDay=o.currentDay=t("a",n).html(),o.selectedMonth=o.currentMonth=i,o.selectedYear=o.currentYear=s,this._selectDate(e,this._formatDate(o,o.currentDay,o.currentMonth,o.currentYear)))},_clearDate:function(e){var i=t(e);this._selectDate(i,"")},_selectDate:function(e,i){var s,n=t(e),o=this._getInst(n[0]);i=null!=i?i:this._formatDate(o),o.input&&o.input.val(i),this._updateAlternate(o),s=this._get(o,"onSelect"),s?s.apply(o.input?o.input[0]:null,[i,o]):o.input&&o.input.trigger("change"),o.inline?this._updateDatepicker(o):(this._hideDatepicker(),this._lastInput=o.input[0],"object"!=typeof o.input[0]&&o.input.trigger("focus"),this._lastInput=null)},_updateAlternate:function(e){var i,s,n,o=this._get(e,"altField");o&&(i=this._get(e,"altFormat")||this._get(e,"dateFormat"),s=this._getDate(e),n=this.formatDate(i,s,this._getFormatConfig(e)),t(o).val(n))},noWeekends:function(t){var e=t.getDay();return[e>0&&6>e,""]},iso8601Week:function(t){var e,i=new Date(t.getTime());return i.setDate(i.getDate()+4-(i.getDay()||7)),e=i.getTime(),i.setMonth(0),i.setDate(1),Math.floor(Math.round((e-i)/864e5)/7)+1},parseDate:function(e,i,s){if(null==e||null==i)throw"Invalid arguments";if(i="object"==typeof i?""+i:i+"",""===i)return null;var n,o,a,r,h=0,l=(s?s.shortYearCutoff:null)||this._defaults.shortYearCutoff,c="string"!=typeof l?l:(new Date).getFullYear()%100+parseInt(l,10),u=(s?s.dayNamesShort:null)||this._defaults.dayNamesShort,d=(s?s.dayNames:null)||this._defaults.dayNames,p=(s?s.monthNamesShort:null)||this._defaults.monthNamesShort,f=(s?s.monthNames:null)||this._defaults.monthNames,g=-1,m=-1,_=-1,v=-1,b=!1,y=function(t){var i=e.length>n+1&&e.charAt(n+1)===t;return i&&n++,i},w=function(t){var e=y(t),s="@"===t?14:"!"===t?20:"y"===t&&e?4:"o"===t?3:2,n="y"===t?s:1,o=RegExp("^\\d{"+n+","+s+"}"),a=i.substring(h).match(o);if(!a)throw"Missing number at position "+h;return h+=a[0].length,parseInt(a[0],10)},k=function(e,s,n){var o=-1,a=t.map(y(e)?n:s,function(t,e){return[[e,t]]}).sort(function(t,e){return-(t[1].length-e[1].length)});if(t.each(a,function(t,e){var s=e[1];return i.substr(h,s.length).toLowerCase()===s.toLowerCase()?(o=e[0],h+=s.length,!1):void 0}),-1!==o)return o+1;throw"Unknown name at position "+h},x=function(){if(i.charAt(h)!==e.charAt(n))throw"Unexpected literal at position "+h;h++};for(n=0;e.length>n;n++)if(b)"'"!==e.charAt(n)||y("'")?x():b=!1;else switch(e.charAt(n)){case"d":_=w("d");break;case"D":k("D",u,d);break;case"o":v=w("o");break;case"m":m=w("m");break;case"M":m=k("M",p,f);break;case"y":g=w("y");break;case"@":r=new Date(w("@")),g=r.getFullYear(),m=r.getMonth()+1,_=r.getDate();break;case"!":r=new Date((w("!")-this._ticksTo1970)/1e4),g=r.getFullYear(),m=r.getMonth()+1,_=r.getDate();break;case"'":y("'")?x():b=!0;break;default:x()}if(i.length>h&&(a=i.substr(h),!/^\s+/.test(a)))throw"Extra/unparsed characters found in date: "+a;if(-1===g?g=(new Date).getFullYear():100>g&&(g+=(new Date).getFullYear()-(new Date).getFullYear()%100+(c>=g?0:-100)),v>-1)for(m=1,_=v;;){if(o=this._getDaysInMonth(g,m-1),o>=_)break;m++,_-=o}if(r=this._daylightSavingAdjust(new Date(g,m-1,_)),r.getFullYear()!==g||r.getMonth()+1!==m||r.getDate()!==_)throw"Invalid date";return r},ATOM:"yy-mm-dd",COOKIE:"D, dd M yy",ISO_8601:"yy-mm-dd",RFC_822:"D, d M y",RFC_850:"DD, dd-M-y",RFC_1036:"D, d M y",RFC_1123:"D, d M yy",RFC_2822:"D, d M yy",RSS:"D, d M y",TICKS:"!",TIMESTAMP:"@",W3C:"yy-mm-dd",_ticksTo1970:1e7*60*60*24*(718685+Math.floor(492.5)-Math.floor(19.7)+Math.floor(4.925)),formatDate:function(t,e,i){if(!e)return"";var s,n=(i?i.dayNamesShort:null)||this._defaults.dayNamesShort,o=(i?i.dayNames:null)||this._defaults.dayNames,a=(i?i.monthNamesShort:null)||this._defaults.monthNamesShort,r=(i?i.monthNames:null)||this._defaults.monthNames,h=function(e){var i=t.length>s+1&&t.charAt(s+1)===e;return i&&s++,i},l=function(t,e,i){var s=""+e;if(h(t))for(;i>s.length;)s="0"+s;return s},c=function(t,e,i,s){return h(t)?s[e]:i[e]},u="",d=!1;if(e)for(s=0;t.length>s;s++)if(d)"'"!==t.charAt(s)||h("'")?u+=t.charAt(s):d=!1;else switch(t.charAt(s)){case"d":u+=l("d",e.getDate(),2);break;case"D":u+=c("D",e.getDay(),n,o);break;case"o":u+=l("o",Math.round((new Date(e.getFullYear(),e.getMonth(),e.getDate()).getTime()-new Date(e.getFullYear(),0,0).getTime())/864e5),3);break;case"m":u+=l("m",e.getMonth()+1,2);break;case"M":u+=c("M",e.getMonth(),a,r);break;case"y":u+=h("y")?e.getFullYear():(10>e.getFullYear()%100?"0":"")+e.getFullYear()%100;break;case"@":u+=e.getTime();break;case"!":u+=1e4*e.getTime()+this._ticksTo1970;break;case"'":h("'")?u+="'":d=!0;break;default:u+=t.charAt(s)}return u},_possibleChars:function(t){var e,i="",s=!1,n=function(i){var s=t.length>e+1&&t.charAt(e+1)===i;return s&&e++,s};for(e=0;t.length>e;e++)if(s)"'"!==t.charAt(e)||n("'")?i+=t.charAt(e):s=!1;else switch(t.charAt(e)){case"d":case"m":case"y":case"@":i+="0123456789";break;case"D":case"M":return null;case"'":n("'")?i+="'":s=!0;break;default:i+=t.charAt(e)}return i},_get:function(t,e){return void 0!==t.settings[e]?t.settings[e]:this._defaults[e]},_setDateFromField:function(t,e){if(t.input.val()!==t.lastVal){var i=this._get(t,"dateFormat"),s=t.lastVal=t.input?t.input.val():null,n=this._getDefaultDate(t),o=n,a=this._getFormatConfig(t);try{o=this.parseDate(i,s,a)||n}catch(r){s=e?"":s}t.selectedDay=o.getDate(),t.drawMonth=t.selectedMonth=o.getMonth(),t.drawYear=t.selectedYear=o.getFullYear(),t.currentDay=s?o.getDate():0,t.currentMonth=s?o.getMonth():0,t.currentYear=s?o.getFullYear():0,this._adjustInstDate(t)}},_getDefaultDate:function(t){return this._restrictMinMax(t,this._determineDate(t,this._get(t,"defaultDate"),new Date))},_determineDate:function(e,i,s){var n=function(t){var e=new Date;return e.setDate(e.getDate()+t),e},o=function(i){try{return t.datepicker.parseDate(t.datepicker._get(e,"dateFormat"),i,t.datepicker._getFormatConfig(e))}catch(s){}for(var n=(i.toLowerCase().match(/^c/)?t.datepicker._getDate(e):null)||new Date,o=n.getFullYear(),a=n.getMonth(),r=n.getDate(),h=/([+\-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g,l=h.exec(i);l;){switch(l[2]||"d"){case"d":case"D":r+=parseInt(l[1],10);break;case"w":case"W":r+=7*parseInt(l[1],10);break;case"m":case"M":a+=parseInt(l[1],10),r=Math.min(r,t.datepicker._getDaysInMonth(o,a));break;case"y":case"Y":o+=parseInt(l[1],10),r=Math.min(r,t.datepicker._getDaysInMonth(o,a))}l=h.exec(i)}return new Date(o,a,r)},a=null==i||""===i?s:"string"==typeof i?o(i):"number"==typeof i?isNaN(i)?s:n(i):new Date(i.getTime());return a=a&&"Invalid Date"==""+a?s:a,a&&(a.setHours(0),a.setMinutes(0),a.setSeconds(0),a.setMilliseconds(0)),this._daylightSavingAdjust(a)},_daylightSavingAdjust:function(t){return t?(t.setHours(t.getHours()>12?t.getHours()+2:0),t):null},_setDate:function(t,e,i){var s=!e,n=t.selectedMonth,o=t.selectedYear,a=this._restrictMinMax(t,this._determineDate(t,e,new Date));t.selectedDay=t.currentDay=a.getDate(),t.drawMonth=t.selectedMonth=t.currentMonth=a.getMonth(),t.drawYear=t.selectedYear=t.currentYear=a.getFullYear(),n===t.selectedMonth&&o===t.selectedYear||i||this._notifyChange(t),this._adjustInstDate(t),t.input&&t.input.val(s?"":this._formatDate(t))},_getDate:function(t){var e=!t.currentYear||t.input&&""===t.input.val()?null:this._daylightSavingAdjust(new Date(t.currentYear,t.currentMonth,t.currentDay));return e},_attachHandlers:function(e){var i=this._get(e,"stepMonths"),s="#"+e.id.replace(/\\\\/g,"\\");e.dpDiv.find("[data-handler]").map(function(){var e={prev:function(){t.datepicker._adjustDate(s,-i,"M")},next:function(){t.datepicker._adjustDate(s,+i,"M")},hide:function(){t.datepicker._hideDatepicker()},today:function(){t.datepicker._gotoToday(s)},selectDay:function(){return t.datepicker._selectDay(s,+this.getAttribute("data-month"),+this.getAttribute("data-year"),this),!1},selectMonth:function(){return t.datepicker._selectMonthYear(s,this,"M"),!1},selectYear:function(){return t.datepicker._selectMonthYear(s,this,"Y"),!1}};t(this).on(this.getAttribute("data-event"),e[this.getAttribute("data-handler")])})},_generateHTML:function(t){var e,i,s,n,o,a,r,h,l,c,u,d,p,f,g,m,_,v,b,y,w,k,x,C,D,I,T,P,M,S,H,z,O,A,N,W,E,F,L,R=new Date,B=this._daylightSavingAdjust(new Date(R.getFullYear(),R.getMonth(),R.getDate())),Y=this._get(t,"isRTL"),j=this._get(t,"showButtonPanel"),q=this._get(t,"hideIfNoPrevNext"),K=this._get(t,"navigationAsDateFormat"),U=this._getNumberOfMonths(t),V=this._get(t,"showCurrentAtPos"),$=this._get(t,"stepMonths"),X=1!==U[0]||1!==U[1],G=this._daylightSavingAdjust(t.currentDay?new Date(t.currentYear,t.currentMonth,t.currentDay):new Date(9999,9,9)),Q=this._getMinMaxDate(t,"min"),J=this._getMinMaxDate(t,"max"),Z=t.drawMonth-V,te=t.drawYear;if(0>Z&&(Z+=12,te--),J)for(e=this._daylightSavingAdjust(new Date(J.getFullYear(),J.getMonth()-U[0]*U[1]+1,J.getDate())),e=Q&&Q>e?Q:e;this._daylightSavingAdjust(new Date(te,Z,1))>e;)Z--,0>Z&&(Z=11,te--);for(t.drawMonth=Z,t.drawYear=te,i=this._get(t,"prevText"),i=K?this.formatDate(i,this._daylightSavingAdjust(new Date(te,Z-$,1)),this._getFormatConfig(t)):i,s=this._canAdjustMonth(t,-1,te,Z)?"<a class='ui-datepicker-prev ui-corner-all' data-handler='prev' data-event='click' title='"+i+"'><span class='ui-icon ui-icon-circle-triangle-"+(Y?"e":"w")+"'>"+i+"</span></a>":q?"":"<a class='ui-datepicker-prev ui-corner-all ui-state-disabled' title='"+i+"'><span class='ui-icon ui-icon-circle-triangle-"+(Y?"e":"w")+"'>"+i+"</span></a>",n=this._get(t,"nextText"),n=K?this.formatDate(n,this._daylightSavingAdjust(new Date(te,Z+$,1)),this._getFormatConfig(t)):n,o=this._canAdjustMonth(t,1,te,Z)?"<a class='ui-datepicker-next ui-corner-all' data-handler='next' data-event='click' title='"+n+"'><span class='ui-icon ui-icon-circle-triangle-"+(Y?"w":"e")+"'>"+n+"</span></a>":q?"":"<a class='ui-datepicker-next ui-corner-all ui-state-disabled' title='"+n+"'><span class='ui-icon ui-icon-circle-triangle-"+(Y?"w":"e")+"'>"+n+"</span></a>",a=this._get(t,"currentText"),r=this._get(t,"gotoCurrent")&&t.currentDay?G:B,a=K?this.formatDate(a,r,this._getFormatConfig(t)):a,h=t.inline?"":"<button type='button' class='ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all' data-handler='hide' data-event='click'>"+this._get(t,"closeText")+"</button>",l=j?"<div class='ui-datepicker-buttonpane ui-widget-content'>"+(Y?h:"")+(this._isInRange(t,r)?"<button type='button' class='ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all' data-handler='today' data-event='click'>"+a+"</button>":"")+(Y?"":h)+"</div>":"",c=parseInt(this._get(t,"firstDay"),10),c=isNaN(c)?0:c,u=this._get(t,"showWeek"),d=this._get(t,"dayNames"),p=this._get(t,"dayNamesMin"),f=this._get(t,"monthNames"),g=this._get(t,"monthNamesShort"),m=this._get(t,"beforeShowDay"),_=this._get(t,"showOtherMonths"),v=this._get(t,"selectOtherMonths"),b=this._getDefaultDate(t),y="",k=0;U[0]>k;k++){for(x="",this.maxRows=4,C=0;U[1]>C;C++){if(D=this._daylightSavingAdjust(new Date(te,Z,t.selectedDay)),I=" ui-corner-all",T="",X){if(T+="<div class='ui-datepicker-group",U[1]>1)switch(C){case 0:T+=" ui-datepicker-group-first",I=" ui-corner-"+(Y?"right":"left");break;case U[1]-1:T+=" ui-datepicker-group-last",I=" ui-corner-"+(Y?"left":"right");break;default:T+=" ui-datepicker-group-middle",I=""}T+="'>"}for(T+="<div class='ui-datepicker-header ui-widget-header ui-helper-clearfix"+I+"'>"+(/all|left/.test(I)&&0===k?Y?o:s:"")+(/all|right/.test(I)&&0===k?Y?s:o:"")+this._generateMonthYearHeader(t,Z,te,Q,J,k>0||C>0,f,g)+"</div><table class='ui-datepicker-calendar'><thead>"+"<tr>",P=u?"<th class='ui-datepicker-week-col'>"+this._get(t,"weekHeader")+"</th>":"",w=0;7>w;w++)M=(w+c)%7,P+="<th scope='col'"+((w+c+6)%7>=5?" class='ui-datepicker-week-end'":"")+">"+"<span title='"+d[M]+"'>"+p[M]+"</span></th>";for(T+=P+"</tr></thead><tbody>",S=this._getDaysInMonth(te,Z),te===t.selectedYear&&Z===t.selectedMonth&&(t.selectedDay=Math.min(t.selectedDay,S)),H=(this._getFirstDayOfMonth(te,Z)-c+7)%7,z=Math.ceil((H+S)/7),O=X?this.maxRows>z?this.maxRows:z:z,this.maxRows=O,A=this._daylightSavingAdjust(new Date(te,Z,1-H)),N=0;O>N;N++){for(T+="<tr>",W=u?"<td class='ui-datepicker-week-col'>"+this._get(t,"calculateWeek")(A)+"</td>":"",w=0;7>w;w++)E=m?m.apply(t.input?t.input[0]:null,[A]):[!0,""],F=A.getMonth()!==Z,L=F&&!v||!E[0]||Q&&Q>A||J&&A>J,W+="<td class='"+((w+c+6)%7>=5?" ui-datepicker-week-end":"")+(F?" ui-datepicker-other-month":"")+(A.getTime()===D.getTime()&&Z===t.selectedMonth&&t._keyEvent||b.getTime()===A.getTime()&&b.getTime()===D.getTime()?" "+this._dayOverClass:"")+(L?" "+this._unselectableClass+" ui-state-disabled":"")+(F&&!_?"":" "+E[1]+(A.getTime()===G.getTime()?" "+this._currentClass:"")+(A.getTime()===B.getTime()?" ui-datepicker-today":""))+"'"+(F&&!_||!E[2]?"":" title='"+E[2].replace(/'/g,"'")+"'")+(L?"":" data-handler='selectDay' data-event='click' data-month='"+A.getMonth()+"' data-year='"+A.getFullYear()+"'")+">"+(F&&!_?" ":L?"<span class='ui-state-default'>"+A.getDate()+"</span>":"<a class='ui-state-default"+(A.getTime()===B.getTime()?" ui-state-highlight":"")+(A.getTime()===G.getTime()?" ui-state-active":"")+(F?" ui-priority-secondary":"")+"' href='#'>"+A.getDate()+"</a>")+"</td>",A.setDate(A.getDate()+1),A=this._daylightSavingAdjust(A);T+=W+"</tr>"}Z++,Z>11&&(Z=0,te++),T+="</tbody></table>"+(X?"</div>"+(U[0]>0&&C===U[1]-1?"<div class='ui-datepicker-row-break'></div>":""):""),x+=T}y+=x}return y+=l,t._keyEvent=!1,y},_generateMonthYearHeader:function(t,e,i,s,n,o,a,r){var h,l,c,u,d,p,f,g,m=this._get(t,"changeMonth"),_=this._get(t,"changeYear"),v=this._get(t,"showMonthAfterYear"),b="<div class='ui-datepicker-title'>",y="";if(o||!m)y+="<span class='ui-datepicker-month'>"+a[e]+"</span>";else{for(h=s&&s.getFullYear()===i,l=n&&n.getFullYear()===i,y+="<select class='ui-datepicker-month' data-handler='selectMonth' data-event='change'>",c=0;12>c;c++)(!h||c>=s.getMonth())&&(!l||n.getMonth()>=c)&&(y+="<option value='"+c+"'"+(c===e?" selected='selected'":"")+">"+r[c]+"</option>");y+="</select>"}if(v||(b+=y+(!o&&m&&_?"":" ")),!t.yearshtml)if(t.yearshtml="",o||!_)b+="<span class='ui-datepicker-year'>"+i+"</span>";else{for(u=this._get(t,"yearRange").split(":"),d=(new Date).getFullYear(),p=function(t){var e=t.match(/c[+\-].*/)?i+parseInt(t.substring(1),10):t.match(/[+\-].*/)?d+parseInt(t,10):parseInt(t,10);return isNaN(e)?d:e},f=p(u[0]),g=Math.max(f,p(u[1]||"")),f=s?Math.max(f,s.getFullYear()):f,g=n?Math.min(g,n.getFullYear()):g,t.yearshtml+="<select class='ui-datepicker-year' data-handler='selectYear' data-event='change'>";g>=f;f++)t.yearshtml+="<option value='"+f+"'"+(f===i?" selected='selected'":"")+">"+f+"</option>";t.yearshtml+="</select>",b+=t.yearshtml,t.yearshtml=null}return b+=this._get(t,"yearSuffix"),v&&(b+=(!o&&m&&_?"":" ")+y),b+="</div>"},_adjustInstDate:function(t,e,i){var s=t.selectedYear+("Y"===i?e:0),n=t.selectedMonth+("M"===i?e:0),o=Math.min(t.selectedDay,this._getDaysInMonth(s,n))+("D"===i?e:0),a=this._restrictMinMax(t,this._daylightSavingAdjust(new Date(s,n,o)));t.selectedDay=a.getDate(),t.drawMonth=t.selectedMonth=a.getMonth(),t.drawYear=t.selectedYear=a.getFullYear(),("M"===i||"Y"===i)&&this._notifyChange(t)},_restrictMinMax:function(t,e){var i=this._getMinMaxDate(t,"min"),s=this._getMinMaxDate(t,"max"),n=i&&i>e?i:e;return s&&n>s?s:n},_notifyChange:function(t){var e=this._get(t,"onChangeMonthYear");e&&e.apply(t.input?t.input[0]:null,[t.selectedYear,t.selectedMonth+1,t])},_getNumberOfMonths:function(t){var e=this._get(t,"numberOfMonths");return null==e?[1,1]:"number"==typeof e?[1,e]:e},_getMinMaxDate:function(t,e){return this._determineDate(t,this._get(t,e+"Date"),null)},_getDaysInMonth:function(t,e){return 32-this._daylightSavingAdjust(new Date(t,e,32)).getDate()},_getFirstDayOfMonth:function(t,e){return new Date(t,e,1).getDay()},_canAdjustMonth:function(t,e,i,s){var n=this._getNumberOfMonths(t),o=this._daylightSavingAdjust(new Date(i,s+(0>e?e:n[0]*n[1]),1));return 0>e&&o.setDate(this._getDaysInMonth(o.getFullYear(),o.getMonth())),this._isInRange(t,o)},_isInRange:function(t,e){var i,s,n=this._getMinMaxDate(t,"min"),o=this._getMinMaxDate(t,"max"),a=null,r=null,h=this._get(t,"yearRange");return h&&(i=h.split(":"),s=(new Date).getFullYear(),a=parseInt(i[0],10),r=parseInt(i[1],10),i[0].match(/[+\-].*/)&&(a+=s),i[1].match(/[+\-].*/)&&(r+=s)),(!n||e.getTime()>=n.getTime())&&(!o||e.getTime()<=o.getTime())&&(!a||e.getFullYear()>=a)&&(!r||r>=e.getFullYear())},_getFormatConfig:function(t){var e=this._get(t,"shortYearCutoff");return e="string"!=typeof e?e:(new Date).getFullYear()%100+parseInt(e,10),{shortYearCutoff:e,dayNamesShort:this._get(t,"dayNamesShort"),dayNames:this._get(t,"dayNames"),monthNamesShort:this._get(t,"monthNamesShort"),monthNames:this._get(t,"monthNames")}},_formatDate:function(t,e,i,s){e||(t.currentDay=t.selectedDay,t.currentMonth=t.selectedMonth,t.currentYear=t.selectedYear);var n=e?"object"==typeof e?e:this._daylightSavingAdjust(new Date(s,i,e)):this._daylightSavingAdjust(new Date(t.currentYear,t.currentMonth,t.currentDay));return this.formatDate(this._get(t,"dateFormat"),n,this._getFormatConfig(t))}}),t.fn.datepicker=function(e){if(!this.length)return this;t.datepicker.initialized||(t(document).on("mousedown",t.datepicker._checkExternalClick),t.datepicker.initialized=!0),0===t("#"+t.datepicker._mainDivId).length&&t("body").append(t.datepicker.dpDiv);var i=Array.prototype.slice.call(arguments,1);return"string"!=typeof e||"isDisabled"!==e&&"getDate"!==e&&"widget"!==e?"option"===e&&2===arguments.length&&"string"==typeof arguments[1]?t.datepicker["_"+e+"Datepicker"].apply(t.datepicker,[this[0]].concat(i)):this.each(function(){"string"==typeof e?t.datepicker["_"+e+"Datepicker"].apply(t.datepicker,[this].concat(i)):t.datepicker._attachDatepicker(this,e)}):t.datepicker["_"+e+"Datepicker"].apply(t.datepicker,[this[0]].concat(i))},t.datepicker=new s,t.datepicker.initialized=!1,t.datepicker.uuid=(new Date).getTime(),t.datepicker.version="1.12.1",t.datepicker,t.ui.ie=!!/msie [\w.]+/.exec(navigator.userAgent.toLowerCase());var _=!1;t(document).on("mouseup",function(){_=!1}),t.widget("ui.mouse",{version:"1.12.1",options:{cancel:"input, textarea, button, select, option",distance:1,delay:0},_mouseInit:function(){var e=this;this.element.on("mousedown."+this.widgetName,function(t){return e._mouseDown(t)}).on("click."+this.widgetName,function(i){return!0===t.data(i.target,e.widgetName+".preventClickEvent")?(t.removeData(i.target,e.widgetName+".preventClickEvent"),i.stopImmediatePropagation(),!1):void 0}),this.started=!1},_mouseDestroy:function(){this.element.off("."+this.widgetName),this._mouseMoveDelegate&&this.document.off("mousemove."+this.widgetName,this._mouseMoveDelegate).off("mouseup."+this.widgetName,this._mouseUpDelegate)},_mouseDown:function(e){if(!_){this._mouseMoved=!1,this._mouseStarted&&this._mouseUp(e),this._mouseDownEvent=e;var i=this,s=1===e.which,n="string"==typeof this.options.cancel&&e.target.nodeName?t(e.target).closest(this.options.cancel).length:!1;return s&&!n&&this._mouseCapture(e)?(this.mouseDelayMet=!this.options.delay,this.mouseDelayMet||(this._mouseDelayTimer=setTimeout(function(){i.mouseDelayMet=!0},this.options.delay)),this._mouseDistanceMet(e)&&this._mouseDelayMet(e)&&(this._mouseStarted=this._mouseStart(e)!==!1,!this._mouseStarted)?(e.preventDefault(),!0):(!0===t.data(e.target,this.widgetName+".preventClickEvent")&&t.removeData(e.target,this.widgetName+".preventClickEvent"),this._mouseMoveDelegate=function(t){return i._mouseMove(t)},this._mouseUpDelegate=function(t){return i._mouseUp(t)},this.document.on("mousemove."+this.widgetName,this._mouseMoveDelegate).on("mouseup."+this.widgetName,this._mouseUpDelegate),e.preventDefault(),_=!0,!0)):!0}},_mouseMove:function(e){if(this._mouseMoved){if(t.ui.ie&&(!document.documentMode||9>document.documentMode)&&!e.button)return this._mouseUp(e);if(!e.which)if(e.originalEvent.altKey||e.originalEvent.ctrlKey||e.originalEvent.metaKey||e.originalEvent.shiftKey)this.ignoreMissingWhich=!0;else if(!this.ignoreMissingWhich)return this._mouseUp(e)}return(e.which||e.button)&&(this._mouseMoved=!0),this._mouseStarted?(this._mouseDrag(e),e.preventDefault()):(this._mouseDistanceMet(e)&&this._mouseDelayMet(e)&&(this._mouseStarted=this._mouseStart(this._mouseDownEvent,e)!==!1,this._mouseStarted?this._mouseDrag(e):this._mouseUp(e)),!this._mouseStarted)},_mouseUp:function(e){this.document.off("mousemove."+this.widgetName,this._mouseMoveDelegate).off("mouseup."+this.widgetName,this._mouseUpDelegate),this._mouseStarted&&(this._mouseStarted=!1,e.target===this._mouseDownEvent.target&&t.data(e.target,this.widgetName+".preventClickEvent",!0),this._mouseStop(e)),this._mouseDelayTimer&&(clearTimeout(this._mouseDelayTimer),delete this._mouseDelayTimer),this.ignoreMissingWhich=!1,_=!1,e.preventDefault()},_mouseDistanceMet:function(t){return Math.max(Math.abs(this._mouseDownEvent.pageX-t.pageX),Math.abs(this._mouseDownEvent.pageY-t.pageY))>=this.options.distance},_mouseDelayMet:function(){return this.mouseDelayMet},_mouseStart:function(){},_mouseDrag:function(){},_mouseStop:function(){},_mouseCapture:function(){return!0}}),t.ui.plugin={add:function(e,i,s){var n,o=t.ui[e].prototype;for(n in s)o.plugins[n]=o.plugins[n]||[],o.plugins[n].push([i,s[n]])},call:function(t,e,i,s){var n,o=t.plugins[e];if(o&&(s||t.element[0].parentNode&&11!==t.element[0].parentNode.nodeType))for(n=0;o.length>n;n++)t.options[o[n][0]]&&o[n][1].apply(t.element,i)}},t.ui.safeBlur=function(e){e&&"body"!==e.nodeName.toLowerCase()&&t(e).trigger("blur")},t.widget("ui.draggable",t.ui.mouse,{version:"1.12.1",widgetEventPrefix:"drag",options:{addClasses:!0,appendTo:"parent",axis:!1,connectToSortable:!1,containment:!1,cursor:"auto",cursorAt:!1,grid:!1,handle:!1,helper:"original",iframeFix:!1,opacity:!1,refreshPositions:!1,revert:!1,revertDuration:500,scope:"default",scroll:!0,scrollSensitivity:20,scrollSpeed:20,snap:!1,snapMode:"both",snapTolerance:20,stack:!1,zIndex:!1,drag:null,start:null,stop:null},_create:function(){"original"===this.options.helper&&this._setPositionRelative(),this.options.addClasses&&this._addClass("ui-draggable"),this._setHandleClassName(),this._mouseInit()},_setOption:function(t,e){this._super(t,e),"handle"===t&&(this._removeHandleClassName(),this._setHandleClassName())},_destroy:function(){return(this.helper||this.element).is(".ui-draggable-dragging")?(this.destroyOnClear=!0,void 0):(this._removeHandleClassName(),this._mouseDestroy(),void 0)},_mouseCapture:function(e){var i=this.options;return this.helper||i.disabled||t(e.target).closest(".ui-resizable-handle").length>0?!1:(this.handle=this._getHandle(e),this.handle?(this._blurActiveElement(e),this._blockFrames(i.iframeFix===!0?"iframe":i.iframeFix),!0):!1)},_blockFrames:function(e){this.iframeBlocks=this.document.find(e).map(function(){var e=t(this);return t("<div>").css("position","absolute").appendTo(e.parent()).outerWidth(e.outerWidth()).outerHeight(e.outerHeight()).offset(e.offset())[0]})},_unblockFrames:function(){this.iframeBlocks&&(this.iframeBlocks.remove(),delete this.iframeBlocks)},_blurActiveElement:function(e){var i=t.ui.safeActiveElement(this.document[0]),s=t(e.target);s.closest(i).length||t.ui.safeBlur(i)},_mouseStart:function(e){var i=this.options;return this.helper=this._createHelper(e),this._addClass(this.helper,"ui-draggable-dragging"),this._cacheHelperProportions(),t.ui.ddmanager&&(t.ui.ddmanager.current=this),this._cacheMargins(),this.cssPosition=this.helper.css("position"),this.scrollParent=this.helper.scrollParent(!0),this.offsetParent=this.helper.offsetParent(),this.hasFixedAncestor=this.helper.parents().filter(function(){return"fixed"===t(this).css("position")}).length>0,this.positionAbs=this.element.offset(),this._refreshOffsets(e),this.originalPosition=this.position=this._generatePosition(e,!1),this.originalPageX=e.pageX,this.originalPageY=e.pageY,i.cursorAt&&this._adjustOffsetFromHelper(i.cursorAt),this._setContainment(),this._trigger("start",e)===!1?(this._clear(),!1):(this._cacheHelperProportions(),t.ui.ddmanager&&!i.dropBehaviour&&t.ui.ddmanager.prepareOffsets(this,e),this._mouseDrag(e,!0),t.ui.ddmanager&&t.ui.ddmanager.dragStart(this,e),!0)},_refreshOffsets:function(t){this.offset={top:this.positionAbs.top-this.margins.top,left:this.positionAbs.left-this.margins.left,scroll:!1,parent:this._getParentOffset(),relative:this._getRelativeOffset()},this.offset.click={left:t.pageX-this.offset.left,top:t.pageY-this.offset.top}},_mouseDrag:function(e,i){if(this.hasFixedAncestor&&(this.offset.parent=this._getParentOffset()),this.position=this._generatePosition(e,!0),this.positionAbs=this._convertPositionTo("absolute"),!i){var s=this._uiHash();if(this._trigger("drag",e,s)===!1)return this._mouseUp(new t.Event("mouseup",e)),!1;this.position=s.position}return this.helper[0].style.left=this.position.left+"px",this.helper[0].style.top=this.position.top+"px",t.ui.ddmanager&&t.ui.ddmanager.drag(this,e),!1},_mouseStop:function(e){var i=this,s=!1;return t.ui.ddmanager&&!this.options.dropBehaviour&&(s=t.ui.ddmanager.drop(this,e)),this.dropped&&(s=this.dropped,this.dropped=!1),"invalid"===this.options.revert&&!s||"valid"===this.options.revert&&s||this.options.revert===!0||t.isFunction(this.options.revert)&&this.options.revert.call(this.element,s)?t(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){i._trigger("stop",e)!==!1&&i._clear()}):this._trigger("stop",e)!==!1&&this._clear(),!1},_mouseUp:function(e){return this._unblockFrames(),t.ui.ddmanager&&t.ui.ddmanager.dragStop(this,e),this.handleElement.is(e.target)&&this.element.trigger("focus"),t.ui.mouse.prototype._mouseUp.call(this,e)},cancel:function(){return this.helper.is(".ui-draggable-dragging")?this._mouseUp(new t.Event("mouseup",{target:this.element[0]})):this._clear(),this},_getHandle:function(e){return this.options.handle?!!t(e.target).closest(this.element.find(this.options.handle)).length:!0},_setHandleClassName:function(){this.handleElement=this.options.handle?this.element.find(this.options.handle):this.element,this._addClass(this.handleElement,"ui-draggable-handle")},_removeHandleClassName:function(){this._removeClass(this.handleElement,"ui-draggable-handle")},_createHelper:function(e){var i=this.options,s=t.isFunction(i.helper),n=s?t(i.helper.apply(this.element[0],[e])):"clone"===i.helper?this.element.clone().removeAttr("id"):this.element;return n.parents("body").length||n.appendTo("parent"===i.appendTo?this.element[0].parentNode:i.appendTo),s&&n[0]===this.element[0]&&this._setPositionRelative(),n[0]===this.element[0]||/(fixed|absolute)/.test(n.css("position"))||n.css("position","absolute"),n},_setPositionRelative:function(){/^(?:r|a|f)/.test(this.element.css("position"))||(this.element[0].style.position="relative")},_adjustOffsetFromHelper:function(e){"string"==typeof e&&(e=e.split(" ")),t.isArray(e)&&(e={left:+e[0],top:+e[1]||0}),"left"in e&&(this.offset.click.left=e.left+this.margins.left),"right"in e&&(this.offset.click.left=this.helperProportions.width-e.right+this.margins.left),"top"in e&&(this.offset.click.top=e.top+this.margins.top),"bottom"in e&&(this.offset.click.top=this.helperProportions.height-e.bottom+this.margins.top)},_isRootNode:function(t){return/(html|body)/i.test(t.tagName)||t===this.document[0]},_getParentOffset:function(){var e=this.offsetParent.offset(),i=this.document[0];return"absolute"===this.cssPosition&&this.scrollParent[0]!==i&&t.contains(this.scrollParent[0],this.offsetParent[0])&&(e.left+=this.scrollParent.scrollLeft(),e.top+=this.scrollParent.scrollTop()),this._isRootNode(this.offsetParent[0])&&(e={top:0,left:0}),{top:e.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:e.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if("relative"!==this.cssPosition)return{top:0,left:0};var t=this.element.position(),e=this._isRootNode(this.scrollParent[0]);return{top:t.top-(parseInt(this.helper.css("top"),10)||0)+(e?0:this.scrollParent.scrollTop()),left:t.left-(parseInt(this.helper.css("left"),10)||0)+(e?0:this.scrollParent.scrollLeft())}
-},_cacheMargins:function(){this.margins={left:parseInt(this.element.css("marginLeft"),10)||0,top:parseInt(this.element.css("marginTop"),10)||0,right:parseInt(this.element.css("marginRight"),10)||0,bottom:parseInt(this.element.css("marginBottom"),10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var e,i,s,n=this.options,o=this.document[0];return this.relativeContainer=null,n.containment?"window"===n.containment?(this.containment=[t(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,t(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,t(window).scrollLeft()+t(window).width()-this.helperProportions.width-this.margins.left,t(window).scrollTop()+(t(window).height()||o.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top],void 0):"document"===n.containment?(this.containment=[0,0,t(o).width()-this.helperProportions.width-this.margins.left,(t(o).height()||o.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top],void 0):n.containment.constructor===Array?(this.containment=n.containment,void 0):("parent"===n.containment&&(n.containment=this.helper[0].parentNode),i=t(n.containment),s=i[0],s&&(e=/(scroll|auto)/.test(i.css("overflow")),this.containment=[(parseInt(i.css("borderLeftWidth"),10)||0)+(parseInt(i.css("paddingLeft"),10)||0),(parseInt(i.css("borderTopWidth"),10)||0)+(parseInt(i.css("paddingTop"),10)||0),(e?Math.max(s.scrollWidth,s.offsetWidth):s.offsetWidth)-(parseInt(i.css("borderRightWidth"),10)||0)-(parseInt(i.css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(e?Math.max(s.scrollHeight,s.offsetHeight):s.offsetHeight)-(parseInt(i.css("borderBottomWidth"),10)||0)-(parseInt(i.css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom],this.relativeContainer=i),void 0):(this.containment=null,void 0)},_convertPositionTo:function(t,e){e||(e=this.position);var i="absolute"===t?1:-1,s=this._isRootNode(this.scrollParent[0]);return{top:e.top+this.offset.relative.top*i+this.offset.parent.top*i-("fixed"===this.cssPosition?-this.offset.scroll.top:s?0:this.offset.scroll.top)*i,left:e.left+this.offset.relative.left*i+this.offset.parent.left*i-("fixed"===this.cssPosition?-this.offset.scroll.left:s?0:this.offset.scroll.left)*i}},_generatePosition:function(t,e){var i,s,n,o,a=this.options,r=this._isRootNode(this.scrollParent[0]),h=t.pageX,l=t.pageY;return r&&this.offset.scroll||(this.offset.scroll={top:this.scrollParent.scrollTop(),left:this.scrollParent.scrollLeft()}),e&&(this.containment&&(this.relativeContainer?(s=this.relativeContainer.offset(),i=[this.containment[0]+s.left,this.containment[1]+s.top,this.containment[2]+s.left,this.containment[3]+s.top]):i=this.containment,t.pageX-this.offset.click.left<i[0]&&(h=i[0]+this.offset.click.left),t.pageY-this.offset.click.top<i[1]&&(l=i[1]+this.offset.click.top),t.pageX-this.offset.click.left>i[2]&&(h=i[2]+this.offset.click.left),t.pageY-this.offset.click.top>i[3]&&(l=i[3]+this.offset.click.top)),a.grid&&(n=a.grid[1]?this.originalPageY+Math.round((l-this.originalPageY)/a.grid[1])*a.grid[1]:this.originalPageY,l=i?n-this.offset.click.top>=i[1]||n-this.offset.click.top>i[3]?n:n-this.offset.click.top>=i[1]?n-a.grid[1]:n+a.grid[1]:n,o=a.grid[0]?this.originalPageX+Math.round((h-this.originalPageX)/a.grid[0])*a.grid[0]:this.originalPageX,h=i?o-this.offset.click.left>=i[0]||o-this.offset.click.left>i[2]?o:o-this.offset.click.left>=i[0]?o-a.grid[0]:o+a.grid[0]:o),"y"===a.axis&&(h=this.originalPageX),"x"===a.axis&&(l=this.originalPageY)),{top:l-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+("fixed"===this.cssPosition?-this.offset.scroll.top:r?0:this.offset.scroll.top),left:h-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+("fixed"===this.cssPosition?-this.offset.scroll.left:r?0:this.offset.scroll.left)}},_clear:function(){this._removeClass(this.helper,"ui-draggable-dragging"),this.helper[0]===this.element[0]||this.cancelHelperRemoval||this.helper.remove(),this.helper=null,this.cancelHelperRemoval=!1,this.destroyOnClear&&this.destroy()},_trigger:function(e,i,s){return s=s||this._uiHash(),t.ui.plugin.call(this,e,[i,s,this],!0),/^(drag|start|stop)/.test(e)&&(this.positionAbs=this._convertPositionTo("absolute"),s.offset=this.positionAbs),t.Widget.prototype._trigger.call(this,e,i,s)},plugins:{},_uiHash:function(){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}}),t.ui.plugin.add("draggable","connectToSortable",{start:function(e,i,s){var n=t.extend({},i,{item:s.element});s.sortables=[],t(s.options.connectToSortable).each(function(){var i=t(this).sortable("instance");i&&!i.options.disabled&&(s.sortables.push(i),i.refreshPositions(),i._trigger("activate",e,n))})},stop:function(e,i,s){var n=t.extend({},i,{item:s.element});s.cancelHelperRemoval=!1,t.each(s.sortables,function(){var t=this;t.isOver?(t.isOver=0,s.cancelHelperRemoval=!0,t.cancelHelperRemoval=!1,t._storedCSS={position:t.placeholder.css("position"),top:t.placeholder.css("top"),left:t.placeholder.css("left")},t._mouseStop(e),t.options.helper=t.options._helper):(t.cancelHelperRemoval=!0,t._trigger("deactivate",e,n))})},drag:function(e,i,s){t.each(s.sortables,function(){var n=!1,o=this;o.positionAbs=s.positionAbs,o.helperProportions=s.helperProportions,o.offset.click=s.offset.click,o._intersectsWith(o.containerCache)&&(n=!0,t.each(s.sortables,function(){return this.positionAbs=s.positionAbs,this.helperProportions=s.helperProportions,this.offset.click=s.offset.click,this!==o&&this._intersectsWith(this.containerCache)&&t.contains(o.element[0],this.element[0])&&(n=!1),n})),n?(o.isOver||(o.isOver=1,s._parent=i.helper.parent(),o.currentItem=i.helper.appendTo(o.element).data("ui-sortable-item",!0),o.options._helper=o.options.helper,o.options.helper=function(){return 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n=t("body"),o=s.options;n.css("cursor")&&(o._cursor=n.css("cursor")),n.css("cursor",o.cursor)},stop:function(e,i,s){var n=s.options;n._cursor&&t("body").css("cursor",n._cursor)}}),t.ui.plugin.add("draggable","opacity",{start:function(e,i,s){var n=t(i.helper),o=s.options;n.css("opacity")&&(o._opacity=n.css("opacity")),n.css("opacity",o.opacity)},stop:function(e,i,s){var n=s.options;n._opacity&&t(i.helper).css("opacity",n._opacity)}}),t.ui.plugin.add("draggable","scroll",{start:function(t,e,i){i.scrollParentNotHidden||(i.scrollParentNotHidden=i.helper.scrollParent(!1)),i.scrollParentNotHidden[0]!==i.document[0]&&"HTML"!==i.scrollParentNotHidden[0].tagName&&(i.overflowOffset=i.scrollParentNotHidden.offset())},drag:function(e,i,s){var n=s.options,o=!1,a=s.scrollParentNotHidden[0],r=s.document[0];a!==r&&"HTML"!==a.tagName?(n.axis&&"x"===n.axis||(s.overflowOffset.top+a.offsetHeight-e.pageY<n.scrollSensitivity?a.scrollTop=o=a.scrollTop+n.scrollSpeed:e.pageY-s.overflowOffset.top<n.scrollSensitivity&&(a.scrollTop=o=a.scrollTop-n.scrollSpeed)),n.axis&&"y"===n.axis||(s.overflowOffset.left+a.offsetWidth-e.pageX<n.scrollSensitivity?a.scrollLeft=o=a.scrollLeft+n.scrollSpeed:e.pageX-s.overflowOffset.left<n.scrollSensitivity&&(a.scrollLeft=o=a.scrollLeft-n.scrollSpeed))):(n.axis&&"x"===n.axis||(e.pageY-t(r).scrollTop()<n.scrollSensitivity?o=t(r).scrollTop(t(r).scrollTop()-n.scrollSpeed):t(window).height()-(e.pageY-t(r).scrollTop())<n.scrollSensitivity&&(o=t(r).scrollTop(t(r).scrollTop()+n.scrollSpeed))),n.axis&&"y"===n.axis||(e.pageX-t(r).scrollLeft()<n.scrollSensitivity?o=t(r).scrollLeft(t(r).scrollLeft()-n.scrollSpeed):t(window).width()-(e.pageX-t(r).scrollLeft())<n.scrollSensitivity&&(o=t(r).scrollLeft(t(r).scrollLeft()+n.scrollSpeed)))),o!==!1&&t.ui.ddmanager&&!n.dropBehaviour&&t.ui.ddmanager.prepareOffsets(s,e)}}),t.ui.plugin.add("draggable","snap",{start:function(e,i,s){var n=s.options;s.snapElements=[],t(n.snap.constructor!==String?n.snap.items||":data(ui-draggable)":n.snap).each(function(){var e=t(this),i=e.offset();this!==s.element[0]&&s.snapElements.push({item:this,width:e.outerWidth(),height:e.outerHeight(),top:i.top,left:i.left})})},drag:function(e,i,s){var n,o,a,r,h,l,c,u,d,p,f=s.options,g=f.snapTolerance,m=i.offset.left,_=m+s.helperProportions.width,v=i.offset.top,b=v+s.helperProportions.height;for(d=s.snapElements.length-1;d>=0;d--)h=s.snapElements[d].left-s.margins.left,l=h+s.snapElements[d].width,c=s.snapElements[d].top-s.margins.top,u=c+s.snapElements[d].height,h-g>_||m>l+g||c-g>b||v>u+g||!t.contains(s.snapElements[d].item.ownerDocument,s.snapElements[d].item)?(s.snapElements[d].snapping&&s.options.snap.release&&s.options.snap.release.call(s.element,e,t.extend(s._uiHash(),{snapItem:s.snapElements[d].item})),s.snapElements[d].snapping=!1):("inner"!==f.snapMode&&(n=g>=Math.abs(c-b),o=g>=Math.abs(u-v),a=g>=Math.abs(h-_),r=g>=Math.abs(l-m),n&&(i.position.top=s._convertPositionTo("relative",{top:c-s.helperProportions.height,left:0}).top),o&&(i.position.top=s._convertPositionTo("relative",{top:u,left:0}).top),a&&(i.position.left=s._convertPositionTo("relative",{top:0,left:h-s.helperProportions.width}).left),r&&(i.position.left=s._convertPositionTo("relative",{top:0,left:l}).left)),p=n||o||a||r,"outer"!==f.snapMode&&(n=g>=Math.abs(c-v),o=g>=Math.abs(u-b),a=g>=Math.abs(h-m),r=g>=Math.abs(l-_),n&&(i.position.top=s._convertPositionTo("relative",{top:c,left:0}).top),o&&(i.position.top=s._convertPositionTo("relative",{top:u-s.helperProportions.height,left:0}).top),a&&(i.position.left=s._convertPositionTo("relative",{top:0,left:h}).left),r&&(i.position.left=s._convertPositionTo("relative",{top:0,left:l-s.helperProportions.width}).left)),!s.snapElements[d].snapping&&(n||o||a||r||p)&&s.options.snap.snap&&s.options.snap.snap.call(s.element,e,t.extend(s._uiHash(),{snapItem:s.snapElements[d].item})),s.snapElements[d].snapping=n||o||a||r||p)}}),t.ui.plugin.add("draggable","stack",{start:function(e,i,s){var n,o=s.options,a=t.makeArray(t(o.stack)).sort(function(e,i){return(parseInt(t(e).css("zIndex"),10)||0)-(parseInt(t(i).css("zIndex"),10)||0)});a.length&&(n=parseInt(t(a[0]).css("zIndex"),10)||0,t(a).each(function(e){t(this).css("zIndex",n+e)}),this.css("zIndex",n+a.length))}}),t.ui.plugin.add("draggable","zIndex",{start:function(e,i,s){var n=t(i.helper),o=s.options;n.css("zIndex")&&(o._zIndex=n.css("zIndex")),n.css("zIndex",o.zIndex)},stop:function(e,i,s){var n=s.options;n._zIndex&&t(i.helper).css("zIndex",n._zIndex)}}),t.ui.draggable,t.widget("ui.resizable",t.ui.mouse,{version:"1.12.1",widgetEventPrefix:"resize",options:{alsoResize:!1,animate:!1,animateDuration:"slow",animateEasing:"swing",aspectRatio:!1,autoHide:!1,classes:{"ui-resizable-se":"ui-icon ui-icon-gripsmall-diagonal-se"},containment:!1,ghost:!1,grid:!1,handles:"e,s,se",helper:!1,maxHeight:null,maxWidth:null,minHeight:10,minWidth:10,zIndex:90,resize:null,start:null,stop:null},_num:function(t){return parseFloat(t)||0},_isNumber:function(t){return!isNaN(parseFloat(t))},_hasScroll:function(e,i){if("hidden"===t(e).css("overflow"))return!1;var s=i&&"left"===i?"scrollLeft":"scrollTop",n=!1;return e[s]>0?!0:(e[s]=1,n=e[s]>0,e[s]=0,n)},_create:function(){var e,i=this.options,s=this;this._addClass("ui-resizable"),t.extend(this,{_aspectRatio:!!i.aspectRatio,aspectRatio:i.aspectRatio,originalElement:this.element,_proportionallyResizeElements:[],_helper:i.helper||i.ghost||i.animate?i.helper||"ui-resizable-helper":null}),this.element[0].nodeName.match(/^(canvas|textarea|input|select|button|img)$/i)&&(this.element.wrap(t("<div class='ui-wrapper' style='overflow: hidden;'></div>").css({position:this.element.css("position"),width:this.element.outerWidth(),height:this.element.outerHeight(),top:this.element.css("top"),left:this.element.css("left")})),this.element=this.element.parent().data("ui-resizable",this.element.resizable("instance")),this.elementIsWrapper=!0,e={marginTop:this.originalElement.css("marginTop"),marginRight:this.originalElement.css("marginRight"),marginBottom:this.originalElement.css("marginBottom"),marginLeft:this.originalElement.css("marginLeft")},this.element.css(e),this.originalElement.css("margin",0),this.originalResizeStyle=this.originalElement.css("resize"),this.originalElement.css("resize","none"),this._proportionallyResizeElements.push(this.originalElement.css({position:"static",zoom:1,display:"block"})),this.originalElement.css(e),this._proportionallyResize()),this._setupHandles(),i.autoHide&&t(this.element).on("mouseenter",function(){i.disabled||(s._removeClass("ui-resizable-autohide"),s._handles.show())}).on("mouseleave",function(){i.disabled||s.resizing||(s._addClass("ui-resizable-autohide"),s._handles.hide())}),this._mouseInit()},_destroy:function(){this._mouseDestroy();var e,i=function(e){t(e).removeData("resizable").removeData("ui-resizable").off(".resizable").find(".ui-resizable-handle").remove()};return this.elementIsWrapper&&(i(this.element),e=this.element,this.originalElement.css({position:e.css("position"),width:e.outerWidth(),height:e.outerHeight(),top:e.css("top"),left:e.css("left")}).insertAfter(e),e.remove()),this.originalElement.css("resize",this.originalResizeStyle),i(this.originalElement),this},_setOption:function(t,e){switch(this._super(t,e),t){case"handles":this._removeHandles(),this._setupHandles();break;default:}},_setupHandles:function(){var e,i,s,n,o,a=this.options,r=this;if(this.handles=a.handles||(t(".ui-resizable-handle",this.element).length?{n:".ui-resizable-n",e:".ui-resizable-e",s:".ui-resizable-s",w:".ui-resizable-w",se:".ui-resizable-se",sw:".ui-resizable-sw",ne:".ui-resizable-ne",nw:".ui-resizable-nw"}:"e,s,se"),this._handles=t(),this.handles.constructor===String)for("all"===this.handles&&(this.handles="n,e,s,w,se,sw,ne,nw"),s=this.handles.split(","),this.handles={},i=0;s.length>i;i++)e=t.trim(s[i]),n="ui-resizable-"+e,o=t("<div>"),this._addClass(o,"ui-resizable-handle "+n),o.css({zIndex:a.zIndex}),this.handles[e]=".ui-resizable-"+e,this.element.append(o);this._renderAxis=function(e){var i,s,n,o;e=e||this.element;for(i in 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i,s,n=!1;for(i in this.handles)s=t(this.handles[i])[0],(s===e.target||t.contains(s,e.target))&&(n=!0);return!this.options.disabled&&n},_mouseStart:function(e){var i,s,n,o=this.options,a=this.element;return this.resizing=!0,this._renderProxy(),i=this._num(this.helper.css("left")),s=this._num(this.helper.css("top")),o.containment&&(i+=t(o.containment).scrollLeft()||0,s+=t(o.containment).scrollTop()||0),this.offset=this.helper.offset(),this.position={left:i,top:s},this.size=this._helper?{width:this.helper.width(),height:this.helper.height()}:{width:a.width(),height:a.height()},this.originalSize=this._helper?{width:a.outerWidth(),height:a.outerHeight()}:{width:a.width(),height:a.height()},this.sizeDiff={width:a.outerWidth()-a.width(),height:a.outerHeight()-a.height()},this.originalPosition={left:i,top:s},this.originalMousePosition={left:e.pageX,top:e.pageY},this.aspectRatio="number"==typeof o.aspectRatio?o.aspectRatio:this.originalSize.width/this.originalSize.height||1,n=t(".ui-resizable-"+this.axis).css("cursor"),t("body").css("cursor","auto"===n?this.axis+"-resize":n),this._addClass("ui-resizable-resizing"),this._propagate("start",e),!0},_mouseDrag:function(e){var i,s,n=this.originalMousePosition,o=this.axis,a=e.pageX-n.left||0,r=e.pageY-n.top||0,h=this._change[o];return this._updatePrevProperties(),h?(i=h.apply(this,[e,a,r]),this._updateVirtualBoundaries(e.shiftKey),(this._aspectRatio||e.shiftKey)&&(i=this._updateRatio(i,e)),i=this._respectSize(i,e),this._updateCache(i),this._propagate("resize",e),s=this._applyChanges(),!this._helper&&this._proportionallyResizeElements.length&&this._proportionallyResize(),t.isEmptyObject(s)||(this._updatePrevProperties(),this._trigger("resize",e,this.ui()),this._applyChanges()),!1):!1},_mouseStop:function(e){this.resizing=!1;var i,s,n,o,a,r,h,l=this.options,c=this;return this._helper&&(i=this._proportionallyResizeElements,s=i.length&&/textarea/i.test(i[0].nodeName),n=s&&this._hasScroll(i[0],"left")?0:c.sizeDiff.height,o=s?0:c.sizeDiff.width,a={width:c.helper.width()-o,height:c.helper.height()-n},r=parseFloat(c.element.css("left"))+(c.position.left-c.originalPosition.left)||null,h=parseFloat(c.element.css("top"))+(c.position.top-c.originalPosition.top)||null,l.animate||this.element.css(t.extend(a,{top:h,left:r})),c.helper.height(c.size.height),c.helper.width(c.size.width),this._helper&&!l.animate&&this._proportionallyResize()),t("body").css("cursor","auto"),this._removeClass("ui-resizable-resizing"),this._propagate("stop",e),this._helper&&this.helper.remove(),!1},_updatePrevProperties:function(){this.prevPosition={top:this.position.top,left:this.position.left},this.prevSize={width:this.size.width,height:this.size.height}},_applyChanges:function(){var t={};return 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e,i,s,n,o,a=this.options;o={minWidth:this._isNumber(a.minWidth)?a.minWidth:0,maxWidth:this._isNumber(a.maxWidth)?a.maxWidth:1/0,minHeight:this._isNumber(a.minHeight)?a.minHeight:0,maxHeight:this._isNumber(a.maxHeight)?a.maxHeight:1/0},(this._aspectRatio||t)&&(e=o.minHeight*this.aspectRatio,s=o.minWidth/this.aspectRatio,i=o.maxHeight*this.aspectRatio,n=o.maxWidth/this.aspectRatio,e>o.minWidth&&(o.minWidth=e),s>o.minHeight&&(o.minHeight=s),o.maxWidth>i&&(o.maxWidth=i),o.maxHeight>n&&(o.maxHeight=n)),this._vBoundaries=o},_updateCache:function(t){this.offset=this.helper.offset(),this._isNumber(t.left)&&(this.position.left=t.left),this._isNumber(t.top)&&(this.position.top=t.top),this._isNumber(t.height)&&(this.size.height=t.height),this._isNumber(t.width)&&(this.size.width=t.width)},_updateRatio:function(t){var e=this.position,i=this.size,s=this.axis;return this._isNumber(t.height)?t.width=t.height*this.aspectRatio:this._isNumber(t.width)&&(t.height=t.width/this.aspectRatio),"sw"===s&&(t.left=e.left+(i.width-t.width),t.top=null),"nw"===s&&(t.top=e.top+(i.height-t.height),t.left=e.left+(i.width-t.width)),t},_respectSize:function(t){var e=this._vBoundaries,i=this.axis,s=this._isNumber(t.width)&&e.maxWidth&&e.maxWidth<t.width,n=this._isNumber(t.height)&&e.maxHeight&&e.maxHeight<t.height,o=this._isNumber(t.width)&&e.minWidth&&e.minWidth>t.width,a=this._isNumber(t.height)&&e.minHeight&&e.minHeight>t.height,r=this.originalPosition.left+this.originalSize.width,h=this.originalPosition.top+this.originalSize.height,l=/sw|nw|w/.test(i),c=/nw|ne|n/.test(i);return 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t,e,i,s=this.options;this.element.show().css({width:"auto",minHeight:0,maxHeight:"none",height:0}),s.minWidth>s.width&&(s.width=s.minWidth),t=this.uiDialog.css({height:"auto",width:s.width}).outerHeight(),e=Math.max(0,s.minHeight-t),i="number"==typeof s.maxHeight?Math.max(0,s.maxHeight-t):"none","auto"===s.height?this.element.css({minHeight:e,maxHeight:i,height:"auto"}):this.element.height(Math.max(0,s.height-t)),this.uiDialog.is(":data(ui-resizable)")&&this.uiDialog.resizable("option","minHeight",this._minHeight())},_blockFrames:function(){this.iframeBlocks=this.document.find("iframe").map(function(){var e=t(this);return t("<div>").css({position:"absolute",width:e.outerWidth(),height:e.outerHeight()}).appendTo(e.parent()).offset(e.offset())[0]})},_unblockFrames:function(){this.iframeBlocks&&(this.iframeBlocks.remove(),delete this.iframeBlocks)},_allowInteraction:function(e){return 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t=this.document.data("ui-dialog-overlays")-1;t?this.document.data("ui-dialog-overlays",t):(this._off(this.document,"focusin"),this.document.removeData("ui-dialog-overlays")),this.overlay.remove(),this.overlay=null}}}),t.uiBackCompat!==!1&&t.widget("ui.dialog",t.ui.dialog,{options:{dialogClass:""},_createWrapper:function(){this._super(),this.uiDialog.addClass(this.options.dialogClass)},_setOption:function(t,e){"dialogClass"===t&&this.uiDialog.removeClass(this.options.dialogClass).addClass(e),this._superApply(arguments)}}),t.ui.dialog,t.widget("ui.droppable",{version:"1.12.1",widgetEventPrefix:"drop",options:{accept:"*",addClasses:!0,greedy:!1,scope:"default",tolerance:"intersect",activate:null,deactivate:null,drop:null,out:null,over:null},_create:function(){var e,i=this.options,s=i.accept;this.isover=!1,this.isout=!0,this.accept=t.isFunction(s)?s:function(t){return t.is(s)},this.proportions=function(){return arguments.length?(e=arguments[0],void 0):e?e:e={width:this.element[0].offsetWidth,height:this.element[0].offsetHeight}},this._addToManager(i.scope),i.addClasses&&this._addClass("ui-droppable")},_addToManager:function(e){t.ui.ddmanager.droppables[e]=t.ui.ddmanager.droppables[e]||[],t.ui.ddmanager.droppables[e].push(this)},_splice:function(t){for(var e=0;t.length>e;e++)t[e]===this&&t.splice(e,1)},_destroy:function(){var e=t.ui.ddmanager.droppables[this.options.scope];this._splice(e)},_setOption:function(e,i){if("accept"===e)this.accept=t.isFunction(i)?i:function(t){return t.is(i)};else if("scope"===e){var s=t.ui.ddmanager.droppables[this.options.scope];this._splice(s),this._addToManager(i)}this._super(e,i)},_activate:function(e){var i=t.ui.ddmanager.current;this._addActiveClass(),i&&this._trigger("activate",e,this.ui(i))},_deactivate:function(e){var i=t.ui.ddmanager.current;this._removeActiveClass(),i&&this._trigger("deactivate",e,this.ui(i))},_over:function(e){var i=t.ui.ddmanager.current;i&&(i.currentItem||i.element)[0]!==this.element[0]&&this.accept.call(this.element[0],i.currentItem||i.element)&&(this._addHoverClass(),this._trigger("over",e,this.ui(i)))},_out:function(e){var i=t.ui.ddmanager.current;i&&(i.currentItem||i.element)[0]!==this.element[0]&&this.accept.call(this.element[0],i.currentItem||i.element)&&(this._removeHoverClass(),this._trigger("out",e,this.ui(i)))},_drop:function(e,i){var s=i||t.ui.ddmanager.current,n=!1;return s&&(s.currentItem||s.element)[0]!==this.element[0]?(this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function(){var i=t(this).droppable("instance");return i.options.greedy&&!i.options.disabled&&i.options.scope===s.options.scope&&i.accept.call(i.element[0],s.currentItem||s.element)&&v(s,t.extend(i,{offset:i.element.offset()}),i.options.tolerance,e)?(n=!0,!1):void 0}),n?!1:this.accept.call(this.element[0],s.currentItem||s.element)?(this._removeActiveClass(),this._removeHoverClass(),this._trigger("drop",e,this.ui(s)),this.element):!1):!1},ui:function(t){return{draggable:t.currentItem||t.element,helper:t.helper,position:t.position,offset:t.positionAbs}},_addHoverClass:function(){this._addClass("ui-droppable-hover")},_removeHoverClass:function(){this._removeClass("ui-droppable-hover")},_addActiveClass:function(){this._addClass("ui-droppable-active")},_removeActiveClass:function(){this._removeClass("ui-droppable-active")}});var v=t.ui.intersect=function(){function t(t,e,i){return t>=e&&e+i>t}return function(e,i,s,n){if(!i.offset)return!1;var o=(e.positionAbs||e.position.absolute).left+e.margins.left,a=(e.positionAbs||e.position.absolute).top+e.margins.top,r=o+e.helperProportions.width,h=a+e.helperProportions.height,l=i.offset.left,c=i.offset.top,u=l+i.proportions().width,d=c+i.proportions().height;switch(s){case"fit":return o>=l&&u>=r&&a>=c&&d>=h;case"intersect":return o+e.helperProportions.width/2>l&&u>r-e.helperProportions.width/2&&a+e.helperProportions.height/2>c&&d>h-e.helperProportions.height/2;case"pointer":return t(n.pageY,c,i.proportions().height)&&t(n.pageX,l,i.proportions().width);case"touch":return(a>=c&&d>=a||h>=c&&d>=h||c>a&&h>d)&&(o>=l&&u>=o||r>=l&&u>=r||l>o&&r>u);default:return!1}}}();t.ui.ddmanager={current:null,droppables:{"default":[]},prepareOffsets:function(e,i){var s,n,o=t.ui.ddmanager.droppables[e.options.scope]||[],a=i?i.type:null,r=(e.currentItem||e.element).find(":data(ui-droppable)").addBack();t:for(s=0;o.length>s;s++)if(!(o[s].options.disabled||e&&!o[s].accept.call(o[s].element[0],e.currentItem||e.element))){for(n=0;r.length>n;n++)if(r[n]===o[s].element[0]){o[s].proportions().height=0;continue t}o[s].visible="none"!==o[s].element.css("display"),o[s].visible&&("mousedown"===a&&o[s]._activate.call(o[s],i),o[s].offset=o[s].element.offset(),o[s].proportions({width:o[s].element[0].offsetWidth,height:o[s].element[0].offsetHeight}))}},drop:function(e,i){var s=!1;return t.each((t.ui.ddmanager.droppables[e.options.scope]||[]).slice(),function(){this.options&&(!this.options.disabled&&this.visible&&v(e,this,this.options.tolerance,i)&&(s=this._drop.call(this,i)||s),!this.options.disabled&&this.visible&&this.accept.call(this.element[0],e.currentItem||e.element)&&(this.isout=!0,this.isover=!1,this._deactivate.call(this,i)))}),s},dragStart:function(e,i){e.element.parentsUntil("body").on("scroll.droppable",function(){e.options.refreshPositions||t.ui.ddmanager.prepareOffsets(e,i)})},drag:function(e,i){e.options.refreshPositions&&t.ui.ddmanager.prepareOffsets(e,i),t.each(t.ui.ddmanager.droppables[e.options.scope]||[],function(){if(!this.options.disabled&&!this.greedyChild&&this.visible){var s,n,o,a=v(e,this,this.options.tolerance,i),r=!a&&this.isover?"isout":a&&!this.isover?"isover":null;r&&(this.options.greedy&&(n=this.options.scope,o=this.element.parents(":data(ui-droppable)").filter(function(){return t(this).droppable("instance").options.scope===n}),o.length&&(s=t(o[0]).droppable("instance"),s.greedyChild="isover"===r)),s&&"isover"===r&&(s.isover=!1,s.isout=!0,s._out.call(s,i)),this[r]=!0,this["isout"===r?"isover":"isout"]=!1,this["isover"===r?"_over":"_out"].call(this,i),s&&"isout"===r&&(s.isout=!1,s.isover=!0,s._over.call(s,i)))}})},dragStop:function(e,i){e.element.parentsUntil("body").off("scroll.droppable"),e.options.refreshPositions||t.ui.ddmanager.prepareOffsets(e,i)}},t.uiBackCompat!==!1&&t.widget("ui.droppable",t.ui.droppable,{options:{hoverClass:!1,activeClass:!1},_addActiveClass:function(){this._super(),this.options.activeClass&&this.element.addClass(this.options.activeClass)},_removeActiveClass:function(){this._super(),this.options.activeClass&&this.element.removeClass(this.options.activeClass)},_addHoverClass:function(){this._super(),this.options.hoverClass&&this.element.addClass(this.options.hoverClass)},_removeHoverClass:function(){this._super(),this.options.hoverClass&&this.element.removeClass(this.options.hoverClass)}}),t.ui.droppable,t.widget("ui.progressbar",{version:"1.12.1",options:{classes:{"ui-progressbar":"ui-corner-all","ui-progressbar-value":"ui-corner-left","ui-progressbar-complete":"ui-corner-right"},max:100,value:0,change:null,complete:null},min:0,_create:function(){this.oldValue=this.options.value=this._constrainedValue(),this.element.attr({role:"progressbar","aria-valuemin":this.min}),this._addClass("ui-progressbar","ui-widget ui-widget-content"),this.valueDiv=t("<div>").appendTo(this.element),this._addClass(this.valueDiv,"ui-progressbar-value","ui-widget-header"),this._refreshValue()},_destroy:function(){this.element.removeAttr("role aria-valuemin aria-valuemax aria-valuenow"),this.valueDiv.remove()},value:function(t){return void 0===t?this.options.value:(this.options.value=this._constrainedValue(t),this._refreshValue(),void 0)},_constrainedValue:function(t){return void 0===t&&(t=this.options.value),this.indeterminate=t===!1,"number"!=typeof t&&(t=0),this.indeterminate?!1:Math.min(this.options.max,Math.max(this.min,t))},_setOptions:function(t){var e=t.value;delete t.value,this._super(t),this.options.value=this._constrainedValue(e),this._refreshValue()},_setOption:function(t,e){"max"===t&&(e=Math.max(this.min,e)),this._super(t,e)},_setOptionDisabled:function(t){this._super(t),this.element.attr("aria-disabled",t),this._toggleClass(null,"ui-state-disabled",!!t)},_percentage:function(){return this.indeterminate?100:100*(this.options.value-this.min)/(this.options.max-this.min)},_refreshValue:function(){var e=this.options.value,i=this._percentage();this.valueDiv.toggle(this.indeterminate||e>this.min).width(i.toFixed(0)+"%"),this._toggleClass(this.valueDiv,"ui-progressbar-complete",null,e===this.options.max)._toggleClass("ui-progressbar-indeterminate",null,this.indeterminate),this.indeterminate?(this.element.removeAttr("aria-valuenow"),this.overlayDiv||(this.overlayDiv=t("<div>").appendTo(this.valueDiv),this._addClass(this.overlayDiv,"ui-progressbar-overlay"))):(this.element.attr({"aria-valuemax":this.options.max,"aria-valuenow":e}),this.overlayDiv&&(this.overlayDiv.remove(),this.overlayDiv=null)),this.oldValue!==e&&(this.oldValue=e,this._trigger("change")),e===this.options.max&&this._trigger("complete")}}),t.widget("ui.selectable",t.ui.mouse,{version:"1.12.1",options:{appendTo:"body",autoRefresh:!0,distance:0,filter:"*",tolerance:"touch",selected:null,selecting:null,start:null,stop:null,unselected:null,unselecting:null},_create:function(){var e=this;this._addClass("ui-selectable"),this.dragged=!1,this.refresh=function(){e.elementPos=t(e.element[0]).offset(),e.selectees=t(e.options.filter,e.element[0]),e._addClass(e.selectees,"ui-selectee"),e.selectees.each(function(){var i=t(this),s=i.offset(),n={left:s.left-e.elementPos.left,top:s.top-e.elementPos.top};t.data(this,"selectable-item",{element:this,$element:i,left:n.left,top:n.top,right:n.left+i.outerWidth(),bottom:n.top+i.outerHeight(),startselected:!1,selected:i.hasClass("ui-selected"),selecting:i.hasClass("ui-selecting"),unselecting:i.hasClass("ui-unselecting")})})},this.refresh(),this._mouseInit(),this.helper=t("<div>"),this._addClass(this.helper,"ui-selectable-helper")},_destroy:function(){this.selectees.removeData("selectable-item"),this._mouseDestroy()},_mouseStart:function(e){var i=this,s=this.options;this.opos=[e.pageX,e.pageY],this.elementPos=t(this.element[0]).offset(),this.options.disabled||(this.selectees=t(s.filter,this.element[0]),this._trigger("start",e),t(s.appendTo).append(this.helper),this.helper.css({left:e.pageX,top:e.pageY,width:0,height:0}),s.autoRefresh&&this.refresh(),this.selectees.filter(".ui-selected").each(function(){var s=t.data(this,"selectable-item");s.startselected=!0,e.metaKey||e.ctrlKey||(i._removeClass(s.$element,"ui-selected"),s.selected=!1,i._addClass(s.$element,"ui-unselecting"),s.unselecting=!0,i._trigger("unselecting",e,{unselecting:s.element}))}),t(e.target).parents().addBack().each(function(){var s,n=t.data(this,"selectable-item");return n?(s=!e.metaKey&&!e.ctrlKey||!n.$element.hasClass("ui-selected"),i._removeClass(n.$element,s?"ui-unselecting":"ui-selected")._addClass(n.$element,s?"ui-selecting":"ui-unselecting"),n.unselecting=!s,n.selecting=s,n.selected=s,s?i._trigger("selecting",e,{selecting:n.element}):i._trigger("unselecting",e,{unselecting:n.element}),!1):void 0}))},_mouseDrag:function(e){if(this.dragged=!0,!this.options.disabled){var i,s=this,n=this.options,o=this.opos[0],a=this.opos[1],r=e.pageX,h=e.pageY;return o>r&&(i=r,r=o,o=i),a>h&&(i=h,h=a,a=i),this.helper.css({left:o,top:a,width:r-o,height:h-a}),this.selectees.each(function(){var i=t.data(this,"selectable-item"),l=!1,c={};i&&i.element!==s.element[0]&&(c.left=i.left+s.elementPos.left,c.right=i.right+s.elementPos.left,c.top=i.top+s.elementPos.top,c.bottom=i.bottom+s.elementPos.top,"touch"===n.tolerance?l=!(c.left>r||o>c.right||c.top>h||a>c.bottom):"fit"===n.tolerance&&(l=c.left>o&&r>c.right&&c.top>a&&h>c.bottom),l?(i.selected&&(s._removeClass(i.$element,"ui-selected"),i.selected=!1),i.unselecting&&(s._removeClass(i.$element,"ui-unselecting"),i.unselecting=!1),i.selecting||(s._addClass(i.$element,"ui-selecting"),i.selecting=!0,s._trigger("selecting",e,{selecting:i.element}))):(i.selecting&&((e.metaKey||e.ctrlKey)&&i.startselected?(s._removeClass(i.$element,"ui-selecting"),i.selecting=!1,s._addClass(i.$element,"ui-selected"),i.selected=!0):(s._removeClass(i.$element,"ui-selecting"),i.selecting=!1,i.startselected&&(s._addClass(i.$element,"ui-unselecting"),i.unselecting=!0),s._trigger("unselecting",e,{unselecting:i.element}))),i.selected&&(e.metaKey||e.ctrlKey||i.startselected||(s._removeClass(i.$element,"ui-selected"),i.selected=!1,s._addClass(i.$element,"ui-unselecting"),i.unselecting=!0,s._trigger("unselecting",e,{unselecting:i.element})))))}),!1}},_mouseStop:function(e){var i=this;return this.dragged=!1,t(".ui-unselecting",this.element[0]).each(function(){var s=t.data(this,"selectable-item");i._removeClass(s.$element,"ui-unselecting"),s.unselecting=!1,s.startselected=!1,i._trigger("unselected",e,{unselected:s.element})}),t(".ui-selecting",this.element[0]).each(function(){var s=t.data(this,"selectable-item");i._removeClass(s.$element,"ui-selecting")._addClass(s.$element,"ui-selected"),s.selecting=!1,s.selected=!0,s.startselected=!0,i._trigger("selected",e,{selected:s.element})}),this._trigger("stop",e),this.helper.remove(),!1}}),t.widget("ui.selectmenu",[t.ui.formResetMixin,{version:"1.12.1",defaultElement:"<select>",options:{appendTo:null,classes:{"ui-selectmenu-button-open":"ui-corner-top","ui-selectmenu-button-closed":"ui-corner-all"},disabled:null,icons:{button:"ui-icon-triangle-1-s"},position:{my:"left top",at:"left bottom",collision:"none"},width:!1,change:null,close:null,focus:null,open:null,select:null},_create:function(){var e=this.element.uniqueId().attr("id");this.ids={element:e,button:e+"-button",menu:e+"-menu"},this._drawButton(),this._drawMenu(),this._bindFormResetHandler(),this._rendered=!1,this.menuItems=t()},_drawButton:function(){var e,i=this,s=this._parseOption(this.element.find("option:selected"),this.element[0].selectedIndex);this.labels=this.element.labels().attr("for",this.ids.button),this._on(this.labels,{click:function(t){this.button.focus(),t.preventDefault()}}),this.element.hide(),this.button=t("<span>",{tabindex:this.options.disabled?-1:0,id:this.ids.button,role:"combobox","aria-expanded":"false","aria-autocomplete":"list","aria-owns":this.ids.menu,"aria-haspopup":"true",title:this.element.attr("title")}).insertAfter(this.element),this._addClass(this.button,"ui-selectmenu-button ui-selectmenu-button-closed","ui-button ui-widget"),e=t("<span>").appendTo(this.button),this._addClass(e,"ui-selectmenu-icon","ui-icon "+this.options.icons.button),this.buttonItem=this._renderButtonItem(s).appendTo(this.button),this.options.width!==!1&&this._resizeButton(),this._on(this.button,this._buttonEvents),this.button.one("focusin",function(){i._rendered||i._refreshMenu()})},_drawMenu:function(){var e=this;this.menu=t("<ul>",{"aria-hidden":"true","aria-labelledby":this.ids.button,id:this.ids.menu}),this.menuWrap=t("<div>").append(this.menu),this._addClass(this.menuWrap,"ui-selectmenu-menu","ui-front"),this.menuWrap.appendTo(this._appendTo()),this.menuInstance=this.menu.menu({classes:{"ui-menu":"ui-corner-bottom"},role:"listbox",select:function(t,i){t.preventDefault(),e._setSelection(),e._select(i.item.data("ui-selectmenu-item"),t)},focus:function(t,i){var s=i.item.data("ui-selectmenu-item");null!=e.focusIndex&&s.index!==e.focusIndex&&(e._trigger("focus",t,{item:s}),e.isOpen||e._select(s,t)),e.focusIndex=s.index,e.button.attr("aria-activedescendant",e.menuItems.eq(s.index).attr("id"))}}).menu("instance"),this.menuInstance._off(this.menu,"mouseleave"),this.menuInstance._closeOnDocumentClick=function(){return!1},this.menuInstance._isDivider=function(){return!1}},refresh:function(){this._refreshMenu(),this.buttonItem.replaceWith(this.buttonItem=this._renderButtonItem(this._getSelectedItem().data("ui-selectmenu-item")||{})),null===this.options.width&&this._resizeButton()},_refreshMenu:function(){var t,e=this.element.find("option");this.menu.empty(),this._parseOptions(e),this._renderMenu(this.menu,this.items),this.menuInstance.refresh(),this.menuItems=this.menu.find("li").not(".ui-selectmenu-optgroup").find(".ui-menu-item-wrapper"),this._rendered=!0,e.length&&(t=this._getSelectedItem(),this.menuInstance.focus(null,t),this._setAria(t.data("ui-selectmenu-item")),this._setOption("disabled",this.element.prop("disabled")))},open:function(t){this.options.disabled||(this._rendered?(this._removeClass(this.menu.find(".ui-state-active"),null,"ui-state-active"),this.menuInstance.focus(null,this._getSelectedItem())):this._refreshMenu(),this.menuItems.length&&(this.isOpen=!0,this._toggleAttr(),this._resizeMenu(),this._position(),this._on(this.document,this._documentClick),this._trigger("open",t)))},_position:function(){this.menuWrap.position(t.extend({of:this.button},this.options.position))},close:function(t){this.isOpen&&(this.isOpen=!1,this._toggleAttr(),this.range=null,this._off(this.document),this._trigger("close",t))},widget:function(){return this.button},menuWidget:function(){return this.menu},_renderButtonItem:function(e){var i=t("<span>");return this._setText(i,e.label),this._addClass(i,"ui-selectmenu-text"),i},_renderMenu:function(e,i){var s=this,n="";t.each(i,function(i,o){var a;o.optgroup!==n&&(a=t("<li>",{text:o.optgroup}),s._addClass(a,"ui-selectmenu-optgroup","ui-menu-divider"+(o.element.parent("optgroup").prop("disabled")?" ui-state-disabled":"")),a.appendTo(e),n=o.optgroup),s._renderItemData(e,o)})},_renderItemData:function(t,e){return this._renderItem(t,e).data("ui-selectmenu-item",e)},_renderItem:function(e,i){var s=t("<li>"),n=t("<div>",{title:i.element.attr("title")});return i.disabled&&this._addClass(s,null,"ui-state-disabled"),this._setText(n,i.label),s.append(n).appendTo(e)},_setText:function(t,e){e?t.text(e):t.html(" ")},_move:function(t,e){var i,s,n=".ui-menu-item";this.isOpen?i=this.menuItems.eq(this.focusIndex).parent("li"):(i=this.menuItems.eq(this.element[0].selectedIndex).parent("li"),n+=":not(.ui-state-disabled)"),s="first"===t||"last"===t?i["first"===t?"prevAll":"nextAll"](n).eq(-1):i[t+"All"](n).eq(0),s.length&&this.menuInstance.focus(e,s)},_getSelectedItem:function(){return this.menuItems.eq(this.element[0].selectedIndex).parent("li")},_toggle:function(t){this[this.isOpen?"close":"open"](t)},_setSelection:function(){var t;this.range&&(window.getSelection?(t=window.getSelection(),t.removeAllRanges(),t.addRange(this.range)):this.range.select(),this.button.focus())},_documentClick:{mousedown:function(e){this.isOpen&&(t(e.target).closest(".ui-selectmenu-menu, #"+t.ui.escapeSelector(this.ids.button)).length||this.close(e))}},_buttonEvents:{mousedown:function(){var t;window.getSelection?(t=window.getSelection(),t.rangeCount&&(this.range=t.getRangeAt(0))):this.range=document.selection.createRange()},click:function(t){this._setSelection(),this._toggle(t)},keydown:function(e){var i=!0;switch(e.keyCode){case t.ui.keyCode.TAB:case t.ui.keyCode.ESCAPE:this.close(e),i=!1;break;case t.ui.keyCode.ENTER:this.isOpen&&this._selectFocusedItem(e);break;case t.ui.keyCode.UP:e.altKey?this._toggle(e):this._move("prev",e);break;case t.ui.keyCode.DOWN:e.altKey?this._toggle(e):this._move("next",e);break;case t.ui.keyCode.SPACE:this.isOpen?this._selectFocusedItem(e):this._toggle(e);break;case t.ui.keyCode.LEFT:this._move("prev",e);break;case t.ui.keyCode.RIGHT:this._move("next",e);break;case t.ui.keyCode.HOME:case t.ui.keyCode.PAGE_UP:this._move("first",e);break;case t.ui.keyCode.END:case t.ui.keyCode.PAGE_DOWN:this._move("last",e);break;default:this.menu.trigger(e),i=!1}i&&e.preventDefault()}},_selectFocusedItem:function(t){var e=this.menuItems.eq(this.focusIndex).parent("li");e.hasClass("ui-state-disabled")||this._select(e.data("ui-selectmenu-item"),t)},_select:function(t,e){var i=this.element[0].selectedIndex;this.element[0].selectedIndex=t.index,this.buttonItem.replaceWith(this.buttonItem=this._renderButtonItem(t)),this._setAria(t),this._trigger("select",e,{item:t}),t.index!==i&&this._trigger("change",e,{item:t}),this.close(e)},_setAria:function(t){var e=this.menuItems.eq(t.index).attr("id");this.button.attr({"aria-labelledby":e,"aria-activedescendant":e}),this.menu.attr("aria-activedescendant",e)},_setOption:function(t,e){if("icons"===t){var i=this.button.find("span.ui-icon");this._removeClass(i,null,this.options.icons.button)._addClass(i,null,e.button)}this._super(t,e),"appendTo"===t&&this.menuWrap.appendTo(this._appendTo()),"width"===t&&this._resizeButton()},_setOptionDisabled:function(t){this._super(t),this.menuInstance.option("disabled",t),this.button.attr("aria-disabled",t),this._toggleClass(this.button,null,"ui-state-disabled",t),this.element.prop("disabled",t),t?(this.button.attr("tabindex",-1),this.close()):this.button.attr("tabindex",0)},_appendTo:function(){var e=this.options.appendTo;return e&&(e=e.jquery||e.nodeType?t(e):this.document.find(e).eq(0)),e&&e[0]||(e=this.element.closest(".ui-front, dialog")),e.length||(e=this.document[0].body),e},_toggleAttr:function(){this.button.attr("aria-expanded",this.isOpen),this._removeClass(this.button,"ui-selectmenu-button-"+(this.isOpen?"closed":"open"))._addClass(this.button,"ui-selectmenu-button-"+(this.isOpen?"open":"closed"))._toggleClass(this.menuWrap,"ui-selectmenu-open",null,this.isOpen),this.menu.attr("aria-hidden",!this.isOpen)},_resizeButton:function(){var t=this.options.width;return t===!1?(this.button.css("width",""),void 0):(null===t&&(t=this.element.show().outerWidth(),this.element.hide()),this.button.outerWidth(t),void 0)},_resizeMenu:function(){this.menu.outerWidth(Math.max(this.button.outerWidth(),this.menu.width("").outerWidth()+1))},_getCreateOptions:function(){var t=this._super();return t.disabled=this.element.prop("disabled"),t},_parseOptions:function(e){var i=this,s=[];e.each(function(e,n){s.push(i._parseOption(t(n),e))}),this.items=s},_parseOption:function(t,e){var i=t.parent("optgroup");return{element:t,index:e,value:t.val(),label:t.text(),optgroup:i.attr("label")||"",disabled:i.prop("disabled")||t.prop("disabled")}},_destroy:function(){this._unbindFormResetHandler(),this.menuWrap.remove(),this.button.remove(),this.element.show(),this.element.removeUniqueId(),this.labels.attr("for",this.ids.element)}}]),t.widget("ui.slider",t.ui.mouse,{version:"1.12.1",widgetEventPrefix:"slide",options:{animate:!1,classes:{"ui-slider":"ui-corner-all","ui-slider-handle":"ui-corner-all","ui-slider-range":"ui-corner-all ui-widget-header"},distance:0,max:100,min:0,orientation:"horizontal",range:!1,step:1,value:0,values:null,change:null,slide:null,start:null,stop:null},numPages:5,_create:function(){this._keySliding=!1,this._mouseSliding=!1,this._animateOff=!0,this._handleIndex=null,this._detectOrientation(),this._mouseInit(),this._calculateNewMax(),this._addClass("ui-slider ui-slider-"+this.orientation,"ui-widget ui-widget-content"),this._refresh(),this._animateOff=!1
-},_refresh:function(){this._createRange(),this._createHandles(),this._setupEvents(),this._refreshValue()},_createHandles:function(){var e,i,s=this.options,n=this.element.find(".ui-slider-handle"),o="<span tabindex='0'></span>",a=[];for(i=s.values&&s.values.length||1,n.length>i&&(n.slice(i).remove(),n=n.slice(0,i)),e=n.length;i>e;e++)a.push(o);this.handles=n.add(t(a.join("")).appendTo(this.element)),this._addClass(this.handles,"ui-slider-handle","ui-state-default"),this.handle=this.handles.eq(0),this.handles.each(function(e){t(this).data("ui-slider-handle-index",e).attr("tabIndex",0)})},_createRange:function(){var e=this.options;e.range?(e.range===!0&&(e.values?e.values.length&&2!==e.values.length?e.values=[e.values[0],e.values[0]]:t.isArray(e.values)&&(e.values=e.values.slice(0)):e.values=[this._valueMin(),this._valueMin()]),this.range&&this.range.length?(this._removeClass(this.range,"ui-slider-range-min ui-slider-range-max"),this.range.css({left:"",bottom:""})):(this.range=t("<div>").appendTo(this.element),this._addClass(this.range,"ui-slider-range")),("min"===e.range||"max"===e.range)&&this._addClass(this.range,"ui-slider-range-"+e.range)):(this.range&&this.range.remove(),this.range=null)},_setupEvents:function(){this._off(this.handles),this._on(this.handles,this._handleEvents),this._hoverable(this.handles),this._focusable(this.handles)},_destroy:function(){this.handles.remove(),this.range&&this.range.remove(),this._mouseDestroy()},_mouseCapture:function(e){var i,s,n,o,a,r,h,l,c=this,u=this.options;return u.disabled?!1:(this.elementSize={width:this.element.outerWidth(),height:this.element.outerHeight()},this.elementOffset=this.element.offset(),i={x:e.pageX,y:e.pageY},s=this._normValueFromMouse(i),n=this._valueMax()-this._valueMin()+1,this.handles.each(function(e){var i=Math.abs(s-c.values(e));(n>i||n===i&&(e===c._lastChangedValue||c.values(e)===u.min))&&(n=i,o=t(this),a=e)}),r=this._start(e,a),r===!1?!1:(this._mouseSliding=!0,this._handleIndex=a,this._addClass(o,null,"ui-state-active"),o.trigger("focus"),h=o.offset(),l=!t(e.target).parents().addBack().is(".ui-slider-handle"),this._clickOffset=l?{left:0,top:0}:{left:e.pageX-h.left-o.width()/2,top:e.pageY-h.top-o.height()/2-(parseInt(o.css("borderTopWidth"),10)||0)-(parseInt(o.css("borderBottomWidth"),10)||0)+(parseInt(o.css("marginTop"),10)||0)},this.handles.hasClass("ui-state-hover")||this._slide(e,a,s),this._animateOff=!0,!0))},_mouseStart:function(){return!0},_mouseDrag:function(t){var e={x:t.pageX,y:t.pageY},i=this._normValueFromMouse(e);return this._slide(t,this._handleIndex,i),!1},_mouseStop:function(t){return this._removeClass(this.handles,null,"ui-state-active"),this._mouseSliding=!1,this._stop(t,this._handleIndex),this._change(t,this._handleIndex),this._handleIndex=null,this._clickOffset=null,this._animateOff=!1,!1},_detectOrientation:function(){this.orientation="vertical"===this.options.orientation?"vertical":"horizontal"},_normValueFromMouse:function(t){var e,i,s,n,o;return"horizontal"===this.orientation?(e=this.elementSize.width,i=t.x-this.elementOffset.left-(this._clickOffset?this._clickOffset.left:0)):(e=this.elementSize.height,i=t.y-this.elementOffset.top-(this._clickOffset?this._clickOffset.top:0)),s=i/e,s>1&&(s=1),0>s&&(s=0),"vertical"===this.orientation&&(s=1-s),n=this._valueMax()-this._valueMin(),o=this._valueMin()+s*n,this._trimAlignValue(o)},_uiHash:function(t,e,i){var s={handle:this.handles[t],handleIndex:t,value:void 0!==e?e:this.value()};return this._hasMultipleValues()&&(s.value=void 0!==e?e:this.values(t),s.values=i||this.values()),s},_hasMultipleValues:function(){return this.options.values&&this.options.values.length},_start:function(t,e){return this._trigger("start",t,this._uiHash(e))},_slide:function(t,e,i){var s,n,o=this.value(),a=this.values();this._hasMultipleValues()&&(n=this.values(e?0:1),o=this.values(e),2===this.options.values.length&&this.options.range===!0&&(i=0===e?Math.min(n,i):Math.max(n,i)),a[e]=i),i!==o&&(s=this._trigger("slide",t,this._uiHash(e,i,a)),s!==!1&&(this._hasMultipleValues()?this.values(e,i):this.value(i)))},_stop:function(t,e){this._trigger("stop",t,this._uiHash(e))},_change:function(t,e){this._keySliding||this._mouseSliding||(this._lastChangedValue=e,this._trigger("change",t,this._uiHash(e)))},value:function(t){return arguments.length?(this.options.value=this._trimAlignValue(t),this._refreshValue(),this._change(null,0),void 0):this._value()},values:function(e,i){var s,n,o;if(arguments.length>1)return this.options.values[e]=this._trimAlignValue(i),this._refreshValue(),this._change(null,e),void 0;if(!arguments.length)return this._values();if(!t.isArray(arguments[0]))return this._hasMultipleValues()?this._values(e):this.value();for(s=this.options.values,n=arguments[0],o=0;s.length>o;o+=1)s[o]=this._trimAlignValue(n[o]),this._change(null,o);this._refreshValue()},_setOption:function(e,i){var s,n=0;switch("range"===e&&this.options.range===!0&&("min"===i?(this.options.value=this._values(0),this.options.values=null):"max"===i&&(this.options.value=this._values(this.options.values.length-1),this.options.values=null)),t.isArray(this.options.values)&&(n=this.options.values.length),this._super(e,i),e){case"orientation":this._detectOrientation(),this._removeClass("ui-slider-horizontal ui-slider-vertical")._addClass("ui-slider-"+this.orientation),this._refreshValue(),this.options.range&&this._refreshRange(i),this.handles.css("horizontal"===i?"bottom":"left","");break;case"value":this._animateOff=!0,this._refreshValue(),this._change(null,0),this._animateOff=!1;break;case"values":for(this._animateOff=!0,this._refreshValue(),s=n-1;s>=0;s--)this._change(null,s);this._animateOff=!1;break;case"step":case"min":case"max":this._animateOff=!0,this._calculateNewMax(),this._refreshValue(),this._animateOff=!1;break;case"range":this._animateOff=!0,this._refresh(),this._animateOff=!1}},_setOptionDisabled:function(t){this._super(t),this._toggleClass(null,"ui-state-disabled",!!t)},_value:function(){var t=this.options.value;return t=this._trimAlignValue(t)},_values:function(t){var e,i,s;if(arguments.length)return e=this.options.values[t],e=this._trimAlignValue(e);if(this._hasMultipleValues()){for(i=this.options.values.slice(),s=0;i.length>s;s+=1)i[s]=this._trimAlignValue(i[s]);return i}return[]},_trimAlignValue:function(t){if(this._valueMin()>=t)return this._valueMin();if(t>=this._valueMax())return this._valueMax();var e=this.options.step>0?this.options.step:1,i=(t-this._valueMin())%e,s=t-i;return 2*Math.abs(i)>=e&&(s+=i>0?e:-e),parseFloat(s.toFixed(5))},_calculateNewMax:function(){var t=this.options.max,e=this._valueMin(),i=this.options.step,s=Math.round((t-e)/i)*i;t=s+e,t>this.options.max&&(t-=i),this.max=parseFloat(t.toFixed(this._precision()))},_precision:function(){var t=this._precisionOf(this.options.step);return null!==this.options.min&&(t=Math.max(t,this._precisionOf(this.options.min))),t},_precisionOf:function(t){var e=""+t,i=e.indexOf(".");return-1===i?0:e.length-i-1},_valueMin:function(){return this.options.min},_valueMax:function(){return this.max},_refreshRange:function(t){"vertical"===t&&this.range.css({width:"",left:""}),"horizontal"===t&&this.range.css({height:"",bottom:""})},_refreshValue:function(){var e,i,s,n,o,a=this.options.range,r=this.options,h=this,l=this._animateOff?!1:r.animate,c={};this._hasMultipleValues()?this.handles.each(function(s){i=100*((h.values(s)-h._valueMin())/(h._valueMax()-h._valueMin())),c["horizontal"===h.orientation?"left":"bottom"]=i+"%",t(this).stop(1,1)[l?"animate":"css"](c,r.animate),h.options.range===!0&&("horizontal"===h.orientation?(0===s&&h.range.stop(1,1)[l?"animate":"css"]({left:i+"%"},r.animate),1===s&&h.range[l?"animate":"css"]({width:i-e+"%"},{queue:!1,duration:r.animate})):(0===s&&h.range.stop(1,1)[l?"animate":"css"]({bottom:i+"%"},r.animate),1===s&&h.range[l?"animate":"css"]({height:i-e+"%"},{queue:!1,duration:r.animate}))),e=i}):(s=this.value(),n=this._valueMin(),o=this._valueMax(),i=o!==n?100*((s-n)/(o-n)):0,c["horizontal"===this.orientation?"left":"bottom"]=i+"%",this.handle.stop(1,1)[l?"animate":"css"](c,r.animate),"min"===a&&"horizontal"===this.orientation&&this.range.stop(1,1)[l?"animate":"css"]({width:i+"%"},r.animate),"max"===a&&"horizontal"===this.orientation&&this.range.stop(1,1)[l?"animate":"css"]({width:100-i+"%"},r.animate),"min"===a&&"vertical"===this.orientation&&this.range.stop(1,1)[l?"animate":"css"]({height:i+"%"},r.animate),"max"===a&&"vertical"===this.orientation&&this.range.stop(1,1)[l?"animate":"css"]({height:100-i+"%"},r.animate))},_handleEvents:{keydown:function(e){var i,s,n,o,a=t(e.target).data("ui-slider-handle-index");switch(e.keyCode){case t.ui.keyCode.HOME:case t.ui.keyCode.END:case t.ui.keyCode.PAGE_UP:case t.ui.keyCode.PAGE_DOWN:case t.ui.keyCode.UP:case t.ui.keyCode.RIGHT:case t.ui.keyCode.DOWN:case t.ui.keyCode.LEFT:if(e.preventDefault(),!this._keySliding&&(this._keySliding=!0,this._addClass(t(e.target),null,"ui-state-active"),i=this._start(e,a),i===!1))return}switch(o=this.options.step,s=n=this._hasMultipleValues()?this.values(a):this.value(),e.keyCode){case t.ui.keyCode.HOME:n=this._valueMin();break;case t.ui.keyCode.END:n=this._valueMax();break;case t.ui.keyCode.PAGE_UP:n=this._trimAlignValue(s+(this._valueMax()-this._valueMin())/this.numPages);break;case t.ui.keyCode.PAGE_DOWN:n=this._trimAlignValue(s-(this._valueMax()-this._valueMin())/this.numPages);break;case t.ui.keyCode.UP:case t.ui.keyCode.RIGHT:if(s===this._valueMax())return;n=this._trimAlignValue(s+o);break;case t.ui.keyCode.DOWN:case t.ui.keyCode.LEFT:if(s===this._valueMin())return;n=this._trimAlignValue(s-o)}this._slide(e,a,n)},keyup:function(e){var i=t(e.target).data("ui-slider-handle-index");this._keySliding&&(this._keySliding=!1,this._stop(e,i),this._change(e,i),this._removeClass(t(e.target),null,"ui-state-active"))}}}),t.widget("ui.sortable",t.ui.mouse,{version:"1.12.1",widgetEventPrefix:"sort",ready:!1,options:{appendTo:"parent",axis:!1,connectWith:!1,containment:!1,cursor:"auto",cursorAt:!1,dropOnEmpty:!0,forcePlaceholderSize:!1,forceHelperSize:!1,grid:!1,handle:!1,helper:"original",items:"> *",opacity:!1,placeholder:!1,revert:!1,scroll:!0,scrollSensitivity:20,scrollSpeed:20,scope:"default",tolerance:"intersect",zIndex:1e3,activate:null,beforeStop:null,change:null,deactivate:null,out:null,over:null,receive:null,remove:null,sort:null,start:null,stop:null,update:null},_isOverAxis:function(t,e,i){return t>=e&&e+i>t},_isFloating:function(t){return/left|right/.test(t.css("float"))||/inline|table-cell/.test(t.css("display"))},_create:function(){this.containerCache={},this._addClass("ui-sortable"),this.refresh(),this.offset=this.element.offset(),this._mouseInit(),this._setHandleClassName(),this.ready=!0},_setOption:function(t,e){this._super(t,e),"handle"===t&&this._setHandleClassName()},_setHandleClassName:function(){var e=this;this._removeClass(this.element.find(".ui-sortable-handle"),"ui-sortable-handle"),t.each(this.items,function(){e._addClass(this.instance.options.handle?this.item.find(this.instance.options.handle):this.item,"ui-sortable-handle")})},_destroy:function(){this._mouseDestroy();for(var t=this.items.length-1;t>=0;t--)this.items[t].item.removeData(this.widgetName+"-item");return this},_mouseCapture:function(e,i){var s=null,n=!1,o=this;return this.reverting?!1:this.options.disabled||"static"===this.options.type?!1:(this._refreshItems(e),t(e.target).parents().each(function(){return t.data(this,o.widgetName+"-item")===o?(s=t(this),!1):void 0}),t.data(e.target,o.widgetName+"-item")===o&&(s=t(e.target)),s?!this.options.handle||i||(t(this.options.handle,s).find("*").addBack().each(function(){this===e.target&&(n=!0)}),n)?(this.currentItem=s,this._removeCurrentsFromItems(),!0):!1:!1)},_mouseStart:function(e,i,s){var n,o,a=this.options;if(this.currentContainer=this,this.refreshPositions(),this.helper=this._createHelper(e),this._cacheHelperProportions(),this._cacheMargins(),this.scrollParent=this.helper.scrollParent(),this.offset=this.currentItem.offset(),this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left},t.extend(this.offset,{click:{left:e.pageX-this.offset.left,top:e.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()}),this.helper.css("position","absolute"),this.cssPosition=this.helper.css("position"),this.originalPosition=this._generatePosition(e),this.originalPageX=e.pageX,this.originalPageY=e.pageY,a.cursorAt&&this._adjustOffsetFromHelper(a.cursorAt),this.domPosition={prev:this.currentItem.prev()[0],parent:this.currentItem.parent()[0]},this.helper[0]!==this.currentItem[0]&&this.currentItem.hide(),this._createPlaceholder(),a.containment&&this._setContainment(),a.cursor&&"auto"!==a.cursor&&(o=this.document.find("body"),this.storedCursor=o.css("cursor"),o.css("cursor",a.cursor),this.storedStylesheet=t("<style>*{ cursor: "+a.cursor+" !important; }</style>").appendTo(o)),a.opacity&&(this.helper.css("opacity")&&(this._storedOpacity=this.helper.css("opacity")),this.helper.css("opacity",a.opacity)),a.zIndex&&(this.helper.css("zIndex")&&(this._storedZIndex=this.helper.css("zIndex")),this.helper.css("zIndex",a.zIndex)),this.scrollParent[0]!==this.document[0]&&"HTML"!==this.scrollParent[0].tagName&&(this.overflowOffset=this.scrollParent.offset()),this._trigger("start",e,this._uiHash()),this._preserveHelperProportions||this._cacheHelperProportions(),!s)for(n=this.containers.length-1;n>=0;n--)this.containers[n]._trigger("activate",e,this._uiHash(this));return t.ui.ddmanager&&(t.ui.ddmanager.current=this),t.ui.ddmanager&&!a.dropBehaviour&&t.ui.ddmanager.prepareOffsets(this,e),this.dragging=!0,this._addClass(this.helper,"ui-sortable-helper"),this._mouseDrag(e),!0},_mouseDrag:function(e){var i,s,n,o,a=this.options,r=!1;for(this.position=this._generatePosition(e),this.positionAbs=this._convertPositionTo("absolute"),this.lastPositionAbs||(this.lastPositionAbs=this.positionAbs),this.options.scroll&&(this.scrollParent[0]!==this.document[0]&&"HTML"!==this.scrollParent[0].tagName?(this.overflowOffset.top+this.scrollParent[0].offsetHeight-e.pageY<a.scrollSensitivity?this.scrollParent[0].scrollTop=r=this.scrollParent[0].scrollTop+a.scrollSpeed:e.pageY-this.overflowOffset.top<a.scrollSensitivity&&(this.scrollParent[0].scrollTop=r=this.scrollParent[0].scrollTop-a.scrollSpeed),this.overflowOffset.left+this.scrollParent[0].offsetWidth-e.pageX<a.scrollSensitivity?this.scrollParent[0].scrollLeft=r=this.scrollParent[0].scrollLeft+a.scrollSpeed:e.pageX-this.overflowOffset.left<a.scrollSensitivity&&(this.scrollParent[0].scrollLeft=r=this.scrollParent[0].scrollLeft-a.scrollSpeed)):(e.pageY-this.document.scrollTop()<a.scrollSensitivity?r=this.document.scrollTop(this.document.scrollTop()-a.scrollSpeed):this.window.height()-(e.pageY-this.document.scrollTop())<a.scrollSensitivity&&(r=this.document.scrollTop(this.document.scrollTop()+a.scrollSpeed)),e.pageX-this.document.scrollLeft()<a.scrollSensitivity?r=this.document.scrollLeft(this.document.scrollLeft()-a.scrollSpeed):this.window.width()-(e.pageX-this.document.scrollLeft())<a.scrollSensitivity&&(r=this.document.scrollLeft(this.document.scrollLeft()+a.scrollSpeed))),r!==!1&&t.ui.ddmanager&&!a.dropBehaviour&&t.ui.ddmanager.prepareOffsets(this,e)),this.positionAbs=this._convertPositionTo("absolute"),this.options.axis&&"y"===this.options.axis||(this.helper[0].style.left=this.position.left+"px"),this.options.axis&&"x"===this.options.axis||(this.helper[0].style.top=this.position.top+"px"),i=this.items.length-1;i>=0;i--)if(s=this.items[i],n=s.item[0],o=this._intersectsWithPointer(s),o&&s.instance===this.currentContainer&&n!==this.currentItem[0]&&this.placeholder[1===o?"next":"prev"]()[0]!==n&&!t.contains(this.placeholder[0],n)&&("semi-dynamic"===this.options.type?!t.contains(this.element[0],n):!0)){if(this.direction=1===o?"down":"up","pointer"!==this.options.tolerance&&!this._intersectsWithSides(s))break;this._rearrange(e,s),this._trigger("change",e,this._uiHash());break}return this._contactContainers(e),t.ui.ddmanager&&t.ui.ddmanager.drag(this,e),this._trigger("sort",e,this._uiHash()),this.lastPositionAbs=this.positionAbs,!1},_mouseStop:function(e,i){if(e){if(t.ui.ddmanager&&!this.options.dropBehaviour&&t.ui.ddmanager.drop(this,e),this.options.revert){var s=this,n=this.placeholder.offset(),o=this.options.axis,a={};o&&"x"!==o||(a.left=n.left-this.offset.parent.left-this.margins.left+(this.offsetParent[0]===this.document[0].body?0:this.offsetParent[0].scrollLeft)),o&&"y"!==o||(a.top=n.top-this.offset.parent.top-this.margins.top+(this.offsetParent[0]===this.document[0].body?0:this.offsetParent[0].scrollTop)),this.reverting=!0,t(this.helper).animate(a,parseInt(this.options.revert,10)||500,function(){s._clear(e)})}else this._clear(e,i);return!1}},cancel:function(){if(this.dragging){this._mouseUp(new t.Event("mouseup",{target:null})),"original"===this.options.helper?(this.currentItem.css(this._storedCSS),this._removeClass(this.currentItem,"ui-sortable-helper")):this.currentItem.show();for(var e=this.containers.length-1;e>=0;e--)this.containers[e]._trigger("deactivate",null,this._uiHash(this)),this.containers[e].containerCache.over&&(this.containers[e]._trigger("out",null,this._uiHash(this)),this.containers[e].containerCache.over=0)}return this.placeholder&&(this.placeholder[0].parentNode&&this.placeholder[0].parentNode.removeChild(this.placeholder[0]),"original"!==this.options.helper&&this.helper&&this.helper[0].parentNode&&this.helper.remove(),t.extend(this,{helper:null,dragging:!1,reverting:!1,_noFinalSort:null}),this.domPosition.prev?t(this.domPosition.prev).after(this.currentItem):t(this.domPosition.parent).prepend(this.currentItem)),this},serialize:function(e){var i=this._getItemsAsjQuery(e&&e.connected),s=[];return e=e||{},t(i).each(function(){var i=(t(e.item||this).attr(e.attribute||"id")||"").match(e.expression||/(.+)[\-=_](.+)/);i&&s.push((e.key||i[1]+"[]")+"="+(e.key&&e.expression?i[1]:i[2]))}),!s.length&&e.key&&s.push(e.key+"="),s.join("&")},toArray:function(e){var i=this._getItemsAsjQuery(e&&e.connected),s=[];return e=e||{},i.each(function(){s.push(t(e.item||this).attr(e.attribute||"id")||"")}),s},_intersectsWith:function(t){var e=this.positionAbs.left,i=e+this.helperProportions.width,s=this.positionAbs.top,n=s+this.helperProportions.height,o=t.left,a=o+t.width,r=t.top,h=r+t.height,l=this.offset.click.top,c=this.offset.click.left,u="x"===this.options.axis||s+l>r&&h>s+l,d="y"===this.options.axis||e+c>o&&a>e+c,p=u&&d;return"pointer"===this.options.tolerance||this.options.forcePointerForContainers||"pointer"!==this.options.tolerance&&this.helperProportions[this.floating?"width":"height"]>t[this.floating?"width":"height"]?p:e+this.helperProportions.width/2>o&&a>i-this.helperProportions.width/2&&s+this.helperProportions.height/2>r&&h>n-this.helperProportions.height/2},_intersectsWithPointer:function(t){var e,i,s="x"===this.options.axis||this._isOverAxis(this.positionAbs.top+this.offset.click.top,t.top,t.height),n="y"===this.options.axis||this._isOverAxis(this.positionAbs.left+this.offset.click.left,t.left,t.width),o=s&&n;return o?(e=this._getDragVerticalDirection(),i=this._getDragHorizontalDirection(),this.floating?"right"===i||"down"===e?2:1:e&&("down"===e?2:1)):!1},_intersectsWithSides:function(t){var e=this._isOverAxis(this.positionAbs.top+this.offset.click.top,t.top+t.height/2,t.height),i=this._isOverAxis(this.positionAbs.left+this.offset.click.left,t.left+t.width/2,t.width),s=this._getDragVerticalDirection(),n=this._getDragHorizontalDirection();return this.floating&&n?"right"===n&&i||"left"===n&&!i:s&&("down"===s&&e||"up"===s&&!e)},_getDragVerticalDirection:function(){var t=this.positionAbs.top-this.lastPositionAbs.top;return 0!==t&&(t>0?"down":"up")},_getDragHorizontalDirection:function(){var t=this.positionAbs.left-this.lastPositionAbs.left;return 0!==t&&(t>0?"right":"left")},refresh:function(t){return this._refreshItems(t),this._setHandleClassName(),this.refreshPositions(),this},_connectWith:function(){var t=this.options;return t.connectWith.constructor===String?[t.connectWith]:t.connectWith},_getItemsAsjQuery:function(e){function i(){r.push(this)}var s,n,o,a,r=[],h=[],l=this._connectWith();if(l&&e)for(s=l.length-1;s>=0;s--)for(o=t(l[s],this.document[0]),n=o.length-1;n>=0;n--)a=t.data(o[n],this.widgetFullName),a&&a!==this&&!a.options.disabled&&h.push([t.isFunction(a.options.items)?a.options.items.call(a.element):t(a.options.items,a.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),a]);for(h.push([t.isFunction(this.options.items)?this.options.items.call(this.element,null,{options:this.options,item:this.currentItem}):t(this.options.items,this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),this]),s=h.length-1;s>=0;s--)h[s][0].each(i);return t(r)},_removeCurrentsFromItems:function(){var e=this.currentItem.find(":data("+this.widgetName+"-item)");this.items=t.grep(this.items,function(t){for(var i=0;e.length>i;i++)if(e[i]===t.item[0])return!1;return!0})},_refreshItems:function(e){this.items=[],this.containers=[this];var i,s,n,o,a,r,h,l,c=this.items,u=[[t.isFunction(this.options.items)?this.options.items.call(this.element[0],e,{item:this.currentItem}):t(this.options.items,this.element),this]],d=this._connectWith();if(d&&this.ready)for(i=d.length-1;i>=0;i--)for(n=t(d[i],this.document[0]),s=n.length-1;s>=0;s--)o=t.data(n[s],this.widgetFullName),o&&o!==this&&!o.options.disabled&&(u.push([t.isFunction(o.options.items)?o.options.items.call(o.element[0],e,{item:this.currentItem}):t(o.options.items,o.element),o]),this.containers.push(o));for(i=u.length-1;i>=0;i--)for(a=u[i][1],r=u[i][0],s=0,l=r.length;l>s;s++)h=t(r[s]),h.data(this.widgetName+"-item",a),c.push({item:h,instance:a,width:0,height:0,left:0,top:0})},refreshPositions:function(e){this.floating=this.items.length?"x"===this.options.axis||this._isFloating(this.items[0].item):!1,this.offsetParent&&this.helper&&(this.offset.parent=this._getParentOffset());var i,s,n,o;for(i=this.items.length-1;i>=0;i--)s=this.items[i],s.instance!==this.currentContainer&&this.currentContainer&&s.item[0]!==this.currentItem[0]||(n=this.options.toleranceElement?t(this.options.toleranceElement,s.item):s.item,e||(s.width=n.outerWidth(),s.height=n.outerHeight()),o=n.offset(),s.left=o.left,s.top=o.top);if(this.options.custom&&this.options.custom.refreshContainers)this.options.custom.refreshContainers.call(this);else for(i=this.containers.length-1;i>=0;i--)o=this.containers[i].element.offset(),this.containers[i].containerCache.left=o.left,this.containers[i].containerCache.top=o.top,this.containers[i].containerCache.width=this.containers[i].element.outerWidth(),this.containers[i].containerCache.height=this.containers[i].element.outerHeight();return this},_createPlaceholder:function(e){e=e||this;var i,s=e.options;s.placeholder&&s.placeholder.constructor!==String||(i=s.placeholder,s.placeholder={element:function(){var s=e.currentItem[0].nodeName.toLowerCase(),n=t("<"+s+">",e.document[0]);return e._addClass(n,"ui-sortable-placeholder",i||e.currentItem[0].className)._removeClass(n,"ui-sortable-helper"),"tbody"===s?e._createTrPlaceholder(e.currentItem.find("tr").eq(0),t("<tr>",e.document[0]).appendTo(n)):"tr"===s?e._createTrPlaceholder(e.currentItem,n):"img"===s&&n.attr("src",e.currentItem.attr("src")),i||n.css("visibility","hidden"),n},update:function(t,n){(!i||s.forcePlaceholderSize)&&(n.height()||n.height(e.currentItem.innerHeight()-parseInt(e.currentItem.css("paddingTop")||0,10)-parseInt(e.currentItem.css("paddingBottom")||0,10)),n.width()||n.width(e.currentItem.innerWidth()-parseInt(e.currentItem.css("paddingLeft")||0,10)-parseInt(e.currentItem.css("paddingRight")||0,10)))}}),e.placeholder=t(s.placeholder.element.call(e.element,e.currentItem)),e.currentItem.after(e.placeholder),s.placeholder.update(e,e.placeholder)},_createTrPlaceholder:function(e,i){var s=this;e.children().each(function(){t("<td> </td>",s.document[0]).attr("colspan",t(this).attr("colspan")||1).appendTo(i)})},_contactContainers:function(e){var i,s,n,o,a,r,h,l,c,u,d=null,p=null;for(i=this.containers.length-1;i>=0;i--)if(!t.contains(this.currentItem[0],this.containers[i].element[0]))if(this._intersectsWith(this.containers[i].containerCache)){if(d&&t.contains(this.containers[i].element[0],d.element[0]))continue;d=this.containers[i],p=i}else this.containers[i].containerCache.over&&(this.containers[i]._trigger("out",e,this._uiHash(this)),this.containers[i].containerCache.over=0);if(d)if(1===this.containers.length)this.containers[p].containerCache.over||(this.containers[p]._trigger("over",e,this._uiHash(this)),this.containers[p].containerCache.over=1);else{for(n=1e4,o=null,c=d.floating||this._isFloating(this.currentItem),a=c?"left":"top",r=c?"width":"height",u=c?"pageX":"pageY",s=this.items.length-1;s>=0;s--)t.contains(this.containers[p].element[0],this.items[s].item[0])&&this.items[s].item[0]!==this.currentItem[0]&&(h=this.items[s].item.offset()[a],l=!1,e[u]-h>this.items[s][r]/2&&(l=!0),n>Math.abs(e[u]-h)&&(n=Math.abs(e[u]-h),o=this.items[s],this.direction=l?"up":"down"));if(!o&&!this.options.dropOnEmpty)return;if(this.currentContainer===this.containers[p])return this.currentContainer.containerCache.over||(this.containers[p]._trigger("over",e,this._uiHash()),this.currentContainer.containerCache.over=1),void 0;o?this._rearrange(e,o,null,!0):this._rearrange(e,null,this.containers[p].element,!0),this._trigger("change",e,this._uiHash()),this.containers[p]._trigger("change",e,this._uiHash(this)),this.currentContainer=this.containers[p],this.options.placeholder.update(this.currentContainer,this.placeholder),this.containers[p]._trigger("over",e,this._uiHash(this)),this.containers[p].containerCache.over=1}},_createHelper:function(e){var i=this.options,s=t.isFunction(i.helper)?t(i.helper.apply(this.element[0],[e,this.currentItem])):"clone"===i.helper?this.currentItem.clone():this.currentItem;return s.parents("body").length||t("parent"!==i.appendTo?i.appendTo:this.currentItem[0].parentNode)[0].appendChild(s[0]),s[0]===this.currentItem[0]&&(this._storedCSS={width:this.currentItem[0].style.width,height:this.currentItem[0].style.height,position:this.currentItem.css("position"),top:this.currentItem.css("top"),left:this.currentItem.css("left")}),(!s[0].style.width||i.forceHelperSize)&&s.width(this.currentItem.width()),(!s[0].style.height||i.forceHelperSize)&&s.height(this.currentItem.height()),s},_adjustOffsetFromHelper:function(e){"string"==typeof e&&(e=e.split(" ")),t.isArray(e)&&(e={left:+e[0],top:+e[1]||0}),"left"in e&&(this.offset.click.left=e.left+this.margins.left),"right"in e&&(this.offset.click.left=this.helperProportions.width-e.right+this.margins.left),"top"in e&&(this.offset.click.top=e.top+this.margins.top),"bottom"in e&&(this.offset.click.top=this.helperProportions.height-e.bottom+this.margins.top)},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var e=this.offsetParent.offset();return"absolute"===this.cssPosition&&this.scrollParent[0]!==this.document[0]&&t.contains(this.scrollParent[0],this.offsetParent[0])&&(e.left+=this.scrollParent.scrollLeft(),e.top+=this.scrollParent.scrollTop()),(this.offsetParent[0]===this.document[0].body||this.offsetParent[0].tagName&&"html"===this.offsetParent[0].tagName.toLowerCase()&&t.ui.ie)&&(e={top:0,left:0}),{top:e.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:e.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if("relative"===this.cssPosition){var t=this.currentItem.position();return{top:t.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:t.left-(parseInt(this.helper.css("left"),10)||0)+this.scrollParent.scrollLeft()}}return{top:0,left:0}},_cacheMargins:function(){this.margins={left:parseInt(this.currentItem.css("marginLeft"),10)||0,top:parseInt(this.currentItem.css("marginTop"),10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var e,i,s,n=this.options;"parent"===n.containment&&(n.containment=this.helper[0].parentNode),("document"===n.containment||"window"===n.containment)&&(this.containment=[0-this.offset.relative.left-this.offset.parent.left,0-this.offset.relative.top-this.offset.parent.top,"document"===n.containment?this.document.width():this.window.width()-this.helperProportions.width-this.margins.left,("document"===n.containment?this.document.height()||document.body.parentNode.scrollHeight:this.window.height()||this.document[0].body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]),/^(document|window|parent)$/.test(n.containment)||(e=t(n.containment)[0],i=t(n.containment).offset(),s="hidden"!==t(e).css("overflow"),this.containment=[i.left+(parseInt(t(e).css("borderLeftWidth"),10)||0)+(parseInt(t(e).css("paddingLeft"),10)||0)-this.margins.left,i.top+(parseInt(t(e).css("borderTopWidth"),10)||0)+(parseInt(t(e).css("paddingTop"),10)||0)-this.margins.top,i.left+(s?Math.max(e.scrollWidth,e.offsetWidth):e.offsetWidth)-(parseInt(t(e).css("borderLeftWidth"),10)||0)-(parseInt(t(e).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left,i.top+(s?Math.max(e.scrollHeight,e.offsetHeight):e.offsetHeight)-(parseInt(t(e).css("borderTopWidth"),10)||0)-(parseInt(t(e).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top])},_convertPositionTo:function(e,i){i||(i=this.position);var s="absolute"===e?1:-1,n="absolute"!==this.cssPosition||this.scrollParent[0]!==this.document[0]&&t.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,o=/(html|body)/i.test(n[0].tagName);return{top:i.top+this.offset.relative.top*s+this.offset.parent.top*s-("fixed"===this.cssPosition?-this.scrollParent.scrollTop():o?0:n.scrollTop())*s,left:i.left+this.offset.relative.left*s+this.offset.parent.left*s-("fixed"===this.cssPosition?-this.scrollParent.scrollLeft():o?0:n.scrollLeft())*s}},_generatePosition:function(e){var i,s,n=this.options,o=e.pageX,a=e.pageY,r="absolute"!==this.cssPosition||this.scrollParent[0]!==this.document[0]&&t.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,h=/(html|body)/i.test(r[0].tagName);return"relative"!==this.cssPosition||this.scrollParent[0]!==this.document[0]&&this.scrollParent[0]!==this.offsetParent[0]||(this.offset.relative=this._getRelativeOffset()),this.originalPosition&&(this.containment&&(e.pageX-this.offset.click.left<this.containment[0]&&(o=this.containment[0]+this.offset.click.left),e.pageY-this.offset.click.top<this.containment[1]&&(a=this.containment[1]+this.offset.click.top),e.pageX-this.offset.click.left>this.containment[2]&&(o=this.containment[2]+this.offset.click.left),e.pageY-this.offset.click.top>this.containment[3]&&(a=this.containment[3]+this.offset.click.top)),n.grid&&(i=this.originalPageY+Math.round((a-this.originalPageY)/n.grid[1])*n.grid[1],a=this.containment?i-this.offset.click.top>=this.containment[1]&&i-this.offset.click.top<=this.containment[3]?i:i-this.offset.click.top>=this.containment[1]?i-n.grid[1]:i+n.grid[1]:i,s=this.originalPageX+Math.round((o-this.originalPageX)/n.grid[0])*n.grid[0],o=this.containment?s-this.offset.click.left>=this.containment[0]&&s-this.offset.click.left<=this.containment[2]?s:s-this.offset.click.left>=this.containment[0]?s-n.grid[0]:s+n.grid[0]:s)),{top:a-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+("fixed"===this.cssPosition?-this.scrollParent.scrollTop():h?0:r.scrollTop()),left:o-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+("fixed"===this.cssPosition?-this.scrollParent.scrollLeft():h?0:r.scrollLeft())}},_rearrange:function(t,e,i,s){i?i[0].appendChild(this.placeholder[0]):e.item[0].parentNode.insertBefore(this.placeholder[0],"down"===this.direction?e.item[0]:e.item[0].nextSibling),this.counter=this.counter?++this.counter:1;var n=this.counter;
-this._delay(function(){n===this.counter&&this.refreshPositions(!s)})},_clear:function(t,e){function i(t,e,i){return function(s){i._trigger(t,s,e._uiHash(e))}}this.reverting=!1;var s,n=[];if(!this._noFinalSort&&this.currentItem.parent().length&&this.placeholder.before(this.currentItem),this._noFinalSort=null,this.helper[0]===this.currentItem[0]){for(s in this._storedCSS)("auto"===this._storedCSS[s]||"static"===this._storedCSS[s])&&(this._storedCSS[s]="");this.currentItem.css(this._storedCSS),this._removeClass(this.currentItem,"ui-sortable-helper")}else this.currentItem.show();for(this.fromOutside&&!e&&n.push(function(t){this._trigger("receive",t,this._uiHash(this.fromOutside))}),!this.fromOutside&&this.domPosition.prev===this.currentItem.prev().not(".ui-sortable-helper")[0]&&this.domPosition.parent===this.currentItem.parent()[0]||e||n.push(function(t){this._trigger("update",t,this._uiHash())}),this!==this.currentContainer&&(e||(n.push(function(t){this._trigger("remove",t,this._uiHash())}),n.push(function(t){return function(e){t._trigger("receive",e,this._uiHash(this))}}.call(this,this.currentContainer)),n.push(function(t){return function(e){t._trigger("update",e,this._uiHash(this))}}.call(this,this.currentContainer)))),s=this.containers.length-1;s>=0;s--)e||n.push(i("deactivate",this,this.containers[s])),this.containers[s].containerCache.over&&(n.push(i("out",this,this.containers[s])),this.containers[s].containerCache.over=0);if(this.storedCursor&&(this.document.find("body").css("cursor",this.storedCursor),this.storedStylesheet.remove()),this._storedOpacity&&this.helper.css("opacity",this._storedOpacity),this._storedZIndex&&this.helper.css("zIndex","auto"===this._storedZIndex?"":this._storedZIndex),this.dragging=!1,e||this._trigger("beforeStop",t,this._uiHash()),this.placeholder[0].parentNode.removeChild(this.placeholder[0]),this.cancelHelperRemoval||(this.helper[0]!==this.currentItem[0]&&this.helper.remove(),this.helper=null),!e){for(s=0;n.length>s;s++)n[s].call(this,t);this._trigger("stop",t,this._uiHash())}return this.fromOutside=!1,!this.cancelHelperRemoval},_trigger:function(){t.Widget.prototype._trigger.apply(this,arguments)===!1&&this.cancel()},_uiHash:function(e){var i=e||this;return{helper:i.helper,placeholder:i.placeholder||t([]),position:i.position,originalPosition:i.originalPosition,offset:i.positionAbs,item:i.currentItem,sender:e?e.element:null}}}),t.widget("ui.spinner",{version:"1.12.1",defaultElement:"<input>",widgetEventPrefix:"spin",options:{classes:{"ui-spinner":"ui-corner-all","ui-spinner-down":"ui-corner-br","ui-spinner-up":"ui-corner-tr"},culture:null,icons:{down:"ui-icon-triangle-1-s",up:"ui-icon-triangle-1-n"},incremental:!0,max:null,min:null,numberFormat:null,page:10,step:1,change:null,spin:null,start:null,stop:null},_create:function(){this._setOption("max",this.options.max),this._setOption("min",this.options.min),this._setOption("step",this.options.step),""!==this.value()&&this._value(this.element.val(),!0),this._draw(),this._on(this._events),this._refresh(),this._on(this.window,{beforeunload:function(){this.element.removeAttr("autocomplete")}})},_getCreateOptions:function(){var e=this._super(),i=this.element;return 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t("<a>").text(e).html()},hide:!0,items:"[title]:not([disabled])",position:{my:"left top+15",at:"left bottom",collision:"flipfit flip"},show:!0,track:!1,close:null,open:null},_addDescribedBy:function(e,i){var s=(e.attr("aria-describedby")||"").split(/\s+/);s.push(i),e.data("ui-tooltip-id",i).attr("aria-describedby",t.trim(s.join(" ")))},_removeDescribedBy:function(e){var i=e.data("ui-tooltip-id"),s=(e.attr("aria-describedby")||"").split(/\s+/),n=t.inArray(i,s);-1!==n&&s.splice(n,1),e.removeData("ui-tooltip-id"),s=t.trim(s.join(" ")),s?e.attr("aria-describedby",s):e.removeAttr("aria-describedby")},_create:function(){this._on({mouseover:"open",focusin:"open"}),this.tooltips={},this.parents={},this.liveRegion=t("<div>").attr({role:"log","aria-live":"assertive","aria-relevant":"additions"}).appendTo(this.document[0].body),this._addClass(this.liveRegion,null,"ui-helper-hidden-accessible"),this.disabledTitles=t([])},_setOption:function(e,i){var s=this;this._super(e,i),"content"===e&&t.each(this.tooltips,function(t,e){s._updateContent(e.element)})},_setOptionDisabled:function(t){this[t?"_disable":"_enable"]()},_disable:function(){var e=this;t.each(this.tooltips,function(i,s){var n=t.Event("blur");n.target=n.currentTarget=s.element[0],e.close(n,!0)}),this.disabledTitles=this.disabledTitles.add(this.element.find(this.options.items).addBack().filter(function(){var e=t(this);return e.is("[title]")?e.data("ui-tooltip-title",e.attr("title")).removeAttr("title"):void 0}))},_enable:function(){this.disabledTitles.each(function(){var e=t(this);e.data("ui-tooltip-title")&&e.attr("title",e.data("ui-tooltip-title"))}),this.disabledTitles=t([])},open:function(e){var i=this,s=t(e?e.target:this.element).closest(this.options.items);s.length&&!s.data("ui-tooltip-id")&&(s.attr("title")&&s.data("ui-tooltip-title",s.attr("title")),s.data("ui-tooltip-open",!0),e&&"mouseover"===e.type&&s.parents().each(function(){var e,s=t(this);s.data("ui-tooltip-open")&&(e=t.Event("blur"),e.target=e.currentTarget=this,i.close(e,!0)),s.attr("title")&&(s.uniqueId(),i.parents[this.id]={element:this,title:s.attr("title")},s.attr("title",""))}),this._registerCloseHandlers(e,s),this._updateContent(s,e))},_updateContent:function(t,e){var i,s=this.options.content,n=this,o=e?e.type:null;return"string"==typeof s||s.nodeType||s.jquery?this._open(e,t,s):(i=s.call(t[0],function(i){n._delay(function(){t.data("ui-tooltip-open")&&(e&&(e.type=o),this._open(e,t,i))})}),i&&this._open(e,t,i),void 0)},_open:function(e,i,s){function n(t){l.of=t,a.is(":hidden")||a.position(l)}var o,a,r,h,l=t.extend({},this.options.position);if(s){if(o=this._find(i))return o.tooltip.find(".ui-tooltip-content").html(s),void 0;i.is("[title]")&&(e&&"mouseover"===e.type?i.attr("title",""):i.removeAttr("title")),o=this._tooltip(i),a=o.tooltip,this._addDescribedBy(i,a.attr("id")),a.find(".ui-tooltip-content").html(s),this.liveRegion.children().hide(),h=t("<div>").html(a.find(".ui-tooltip-content").html()),h.removeAttr("name").find("[name]").removeAttr("name"),h.removeAttr("id").find("[id]").removeAttr("id"),h.appendTo(this.liveRegion),this.options.track&&e&&/^mouse/.test(e.type)?(this._on(this.document,{mousemove:n}),n(e)):a.position(t.extend({of:i},this.options.position)),a.hide(),this._show(a,this.options.show),this.options.track&&this.options.show&&this.options.show.delay&&(r=this.delayedShow=setInterval(function(){a.is(":visible")&&(n(l.of),clearInterval(r))},t.fx.interval)),this._trigger("open",e,{tooltip:a})}},_registerCloseHandlers:function(e,i){var s={keyup:function(e){if(e.keyCode===t.ui.keyCode.ESCAPE){var s=t.Event(e);s.currentTarget=i[0],this.close(s,!0)}}};i[0]!==this.element[0]&&(s.remove=function(){this._removeTooltip(this._find(i).tooltip)}),e&&"mouseover"!==e.type||(s.mouseleave="close"),e&&"focusin"!==e.type||(s.focusout="close"),this._on(!0,i,s)},close:function(e){var i,s=this,n=t(e?e.currentTarget:this.element),o=this._find(n);return o?(i=o.tooltip,o.closing||(clearInterval(this.delayedShow),n.data("ui-tooltip-title")&&!n.attr("title")&&n.attr("title",n.data("ui-tooltip-title")),this._removeDescribedBy(n),o.hiding=!0,i.stop(!0),this._hide(i,this.options.hide,function(){s._removeTooltip(t(this))}),n.removeData("ui-tooltip-open"),this._off(n,"mouseleave focusout keyup"),n[0]!==this.element[0]&&this._off(n,"remove"),this._off(this.document,"mousemove"),e&&"mouseleave"===e.type&&t.each(this.parents,function(e,i){t(i.element).attr("title",i.title),delete s.parents[e]}),o.closing=!0,this._trigger("close",e,{tooltip:i}),o.hiding||(o.closing=!1)),void 0):(n.removeData("ui-tooltip-open"),void 0)},_tooltip:function(e){var i=t("<div>").attr("role","tooltip"),s=t("<div>").appendTo(i),n=i.uniqueId().attr("id");return this._addClass(s,"ui-tooltip-content"),this._addClass(i,"ui-tooltip","ui-widget ui-widget-content"),i.appendTo(this._appendTo(e)),this.tooltips[n]={element:e,tooltip:i}},_find:function(t){var e=t.data("ui-tooltip-id");return e?this.tooltips[e]:null},_removeTooltip:function(t){t.remove(),delete this.tooltips[t.attr("id")]},_appendTo:function(t){var e=t.closest(".ui-front, dialog");return e.length||(e=this.document[0].body),e},_destroy:function(){var e=this;t.each(this.tooltips,function(i,s){var n=t.Event("blur"),o=s.element;n.target=n.currentTarget=o[0],e.close(n,!0),t("#"+i).remove(),o.data("ui-tooltip-title")&&(o.attr("title")||o.attr("title",o.data("ui-tooltip-title")),o.removeData("ui-tooltip-title"))}),this.liveRegion.remove()}}),t.uiBackCompat!==!1&&t.widget("ui.tooltip",t.ui.tooltip,{options:{tooltipClass:null},_tooltip:function(){var t=this._superApply(arguments);return this.options.tooltipClass&&t.tooltip.addClass(this.options.tooltipClass),t}}),t.ui.tooltip});</script>
- <script>/*! jQuery UI Virtual Keyboard v1.26.22 *//*
-Author: Jeremy Satterfield
-Maintained: Rob Garrison (Mottie on github)
-Licensed under the MIT License
-
-An on-screen virtual keyboard embedded within the browser window which
-will popup when a specified entry field is focused. The user can then
-type and preview their input before Accepting or Canceling.
-
-This plugin adds default class names to match jQuery UI theme styling.
-Bootstrap & custom themes may also be applied - See
-https://github.com/Mottie/Keyboard#themes
-
-Requires:
- jQuery v1.4.3+
- Caret plugin (included)
-Optional:
- jQuery UI (position utility only) & CSS theme
- jQuery mousewheel
-
-Setup/Usage:
- Please refer to https://github.com/Mottie/Keyboard/wiki
-
------------------------------------------
-Caret code modified from jquery.caret.1.02.js
-Licensed under the MIT License:
-http://www.opensource.org/licenses/mit-license.php
------------------------------------------
-*/
-/*jshint browser:true, jquery:true, unused:false */
-/*global require:false, define:false, module:false */
-;(function (factory) {
- if (typeof define === 'function' && define.amd) {
- define(['jquery'], factory);
- } else if (typeof module === 'object' && typeof module.exports === 'object') {
- module.exports = factory(require('jquery'));
- } else {
- factory(jQuery);
- }
-}(function ($) {
- 'use strict';
- var $keyboard = $.keyboard = function (el, options) {
- var o, base = this;
-
- base.version = '1.26.22';
-
- // Access to jQuery and DOM versions of element
- base.$el = $(el);
- base.el = el;
-
- // Add a reverse reference to the DOM object
- base.$el.data('keyboard', base);
-
- base.init = function () {
- base.initialized = false;
- var k, position, tmp,
- kbcss = $keyboard.css,
- kbevents = $keyboard.events;
- base.settings = options || {};
- // shallow copy position to prevent performance issues; see #357
- if (options && options.position) {
- position = $.extend({}, options.position);
- options.position = null;
- }
- base.options = o = $.extend(true, {}, $keyboard.defaultOptions, options);
- if (position) {
- o.position = position;
- options.position = position;
- }
-
- // keyboard is active (not destroyed);
- base.el.active = true;
- // unique keyboard namespace
- base.namespace = '.keyboard' + Math.random().toString(16).slice(2);
- // extension namespaces added here (to unbind listeners on base.$el upon destroy)
- base.extensionNamespace = [];
- // Shift and Alt key toggles, sets is true if a layout has more than one keyset
- // used for mousewheel message
- base.shiftActive = base.altActive = base.metaActive = base.sets = base.capsLock = false;
- // Class names of the basic key set - meta keysets are handled by the keyname
- base.rows = ['', '-shift', '-alt', '-alt-shift'];
-
- base.inPlaceholder = base.$el.attr('placeholder') || '';
- // html 5 placeholder/watermark
- base.watermark = $keyboard.watermark && base.inPlaceholder !== '';
- // convert mouse repeater rate (characters per second) into a time in milliseconds.
- base.repeatTime = 1000 / (o.repeatRate || 20);
- // delay in ms to prevent mousedown & touchstart from both firing events at the same time
- o.preventDoubleEventTime = o.preventDoubleEventTime || 100;
- // flag indication that a keyboard is open
- base.isOpen = false;
- // is mousewheel plugin loaded?
- base.wheel = $.isFunction($.fn.mousewheel);
- // special character in regex that need to be escaped
- base.escapeRegex = /[-\/\\^$*+?.()|[\]{}]/g;
-
- // keyCode of keys always allowed to be typed
- k = $keyboard.keyCodes;
- // base.alwaysAllowed = [20,33,34,35,36,37,38,39,40,45,46];
- base.alwaysAllowed = [
- k.capsLock,
- k.pageUp,
- k.pageDown,
- k.end,
- k.home,
- k.left,
- k.up,
- k.right,
- k.down,
- k.insert,
- k.delete
- ];
- base.$keyboard = [];
- // keyboard enabled; set to false on destroy
- base.enabled = true;
-
- base.checkCaret = (o.lockInput || $keyboard.checkCaretSupport());
-
- base.last = {
- start: 0,
- end: 0,
- key: '',
- val: '',
- preVal: '',
- layout: '',
- virtual: true,
- keyset: [false, false, false], // [shift, alt, meta]
- wheel_$Keys: null,
- wheelIndex: 0,
- wheelLayers: []
- };
- // used when building the keyboard - [keyset element, row, index]
- base.temp = ['', 0, 0];
-
- // Callbacks
- $.each([
- kbevents.kbInit,
- kbevents.kbBeforeVisible,
- kbevents.kbVisible,
- kbevents.kbHidden,
- kbevents.inputCanceled,
- kbevents.inputAccepted,
- kbevents.kbBeforeClose,
- kbevents.inputRestricted
- ], function (i, callback) {
- if ($.isFunction(o[callback])) {
- // bind callback functions within options to triggered events
- base.$el.bind(callback + base.namespace + 'callbacks', o[callback]);
- }
- });
-
- // Close with esc key & clicking outside
- if (o.alwaysOpen) {
- o.stayOpen = true;
- }
-
- tmp = $(document);
- if (base.el.ownerDocument !== document) {
- tmp = tmp.add(base.el.ownerDocument);
- }
-
- var bindings = 'keyup checkkeyboard mousedown touchstart ';
- if (o.closeByClickEvent) {
- bindings += 'click ';
- }
- // debounce bindings... see #542
- tmp.bind(bindings.split(' ').join(base.namespace + ' '), function(e) {
- clearTimeout(base.timer3);
- base.timer3 = setTimeout(function() {
- base.checkClose(e);
- }, 1);
- });
-
- // Display keyboard on focus
- base.$el
- .addClass(kbcss.input + ' ' + o.css.input)
- .attr({
- 'aria-haspopup': 'true',
- 'role': 'textbox'
- });
-
- // set lockInput if the element is readonly; or make the element readonly if lockInput is set
- if (o.lockInput || base.el.readOnly) {
- o.lockInput = true;
- base.$el
- .addClass(kbcss.locked)
- .attr({
- 'readonly': 'readonly'
- });
- }
- // add disabled/readonly class - dynamically updated on reveal
- if (base.$el.is(':disabled') || (base.$el.attr('readonly') &&
- !base.$el.hasClass(kbcss.locked))) {
- base.$el.addClass(kbcss.noKeyboard);
- }
- if (o.openOn) {
- base.bindFocus();
- }
-
- // Add placeholder if not supported by the browser
- if (!base.watermark && base.$el.val() === '' && base.inPlaceholder !== '' &&
- base.$el.attr('placeholder') !== '') {
- base.$el
- .addClass(kbcss.placeholder) // css watermark style (darker text)
- .val(base.inPlaceholder);
- }
-
- base.$el.trigger(kbevents.kbInit, [base, base.el]);
-
- // initialized with keyboard open
- if (o.alwaysOpen) {
- base.reveal();
- }
- base.initialized = true;
- };
-
- base.toggle = function () {
- if (!base.hasKeyboard()) { return; }
- var $toggle = base.$keyboard.find('.' + $keyboard.css.keyToggle),
- locked = !base.enabled;
- // prevent physical keyboard from working
- base.$preview.prop('readonly', locked || base.options.lockInput);
- // disable all buttons
- base.$keyboard
- .toggleClass($keyboard.css.keyDisabled, locked)
- .find('.' + $keyboard.css.keyButton)
- .not($toggle)
- .prop('disabled', locked)
- .attr('aria-disabled', locked);
- $toggle.toggleClass($keyboard.css.keyDisabled, locked);
- // stop auto typing
- if (locked && base.typing_options) {
- base.typing_options.text = '';
- }
- // allow chaining
- return base;
- };
-
- base.setCurrent = function () {
- var kbcss = $keyboard.css,
- // close any "isCurrent" keyboard (just in case they are always open)
- $current = $('.' + kbcss.isCurrent),
- kb = $current.data('keyboard');
- // close keyboard, if not self
- if (!$.isEmptyObject(kb) && kb.el !== base.el) {
- kb.close(kb.options.autoAccept ? 'true' : false);
- }
- $current.removeClass(kbcss.isCurrent);
- // ui-keyboard-has-focus is applied in case multiple keyboards have
- // alwaysOpen = true and are stacked
- $('.' + kbcss.hasFocus).removeClass(kbcss.hasFocus);
-
- base.$el.addClass(kbcss.isCurrent);
- base.$keyboard.addClass(kbcss.hasFocus);
- base.isCurrent(true);
- base.isOpen = true;
- };
-
- base.isCurrent = function (set) {
- var cur = $keyboard.currentKeyboard || false;
- if (set) {
- cur = $keyboard.currentKeyboard = base.el;
- } else if (set === false && cur === base.el) {
- cur = $keyboard.currentKeyboard = '';
- }
- return cur === base.el;
- };
-
- base.hasKeyboard = function () {
- return base.$keyboard && base.$keyboard.length > 0;
- };
-
- base.isVisible = function () {
- return base.hasKeyboard() ? base.$keyboard.is(':visible') : false;
- };
-
- base.focusOn = function () {
- if (!base && base.el.active) {
- // keyboard was destroyed
- return;
- }
- if (!base.isVisible()) {
- clearTimeout(base.timer);
- base.reveal();
- } else {
- // keyboard already open, make it the current keyboard
- base.setCurrent();
- }
- };
-
- // add redraw method to make API more clear
- base.redraw = function (layout) {
- if (layout) {
- // allow updating the layout by calling redraw
- base.options.layout = layout;
- }
- // update keyboard after a layout change
- if (base.$keyboard.length) {
-
- base.last.preVal = '' + base.last.val;
- base.last.val = base.$preview && base.$preview.val() || base.$el.val();
- base.$el.val( base.last.val );
-
- base.removeKeyboard();
- base.shiftActive = base.altActive = base.metaActive = false;
- }
- base.isOpen = o.alwaysOpen;
- base.reveal(true);
- return base;
- };
-
- base.reveal = function (redraw) {
- var alreadyOpen = base.isOpen,
- kbcss = $keyboard.css;
- base.opening = !alreadyOpen;
- // remove all 'extra' keyboards by calling close function
- $('.' + kbcss.keyboard).not('.' + kbcss.alwaysOpen).each(function(){
- var kb = $(this).data('keyboard');
- if (!$.isEmptyObject(kb)) {
- // this closes previous keyboard when clicking another input - see #515
- kb.close(kb.options.autoAccept ? 'true' : false);
- }
- });
-
- // Don't open if disabled
- if (base.$el.is(':disabled') || (base.$el.attr('readonly') && !base.$el.hasClass(kbcss.locked))) {
- base.$el.addClass(kbcss.noKeyboard);
- return;
- } else {
- base.$el.removeClass(kbcss.noKeyboard);
- }
-
- // Unbind focus to prevent recursion - openOn may be empty if keyboard is opened externally
- if (o.openOn) {
- base.$el.unbind($.trim((o.openOn + ' ').split(/\s+/).join(base.namespace + ' ')));
- }
-
- // build keyboard if it doesn't exist; or attach keyboard if it was removed, but not cleared
- if (!base.$keyboard || base.$keyboard &&
- (!base.$keyboard.length || $.contains(document.body, base.$keyboard[0]))) {
- base.startup();
- }
-
- // clear watermark
- if (!base.watermark && base.el.value === base.inPlaceholder) {
- base.$el
- .removeClass(kbcss.placeholder)
- .val('');
- }
- // save starting content, in case we cancel
- base.originalContent = base.$el.val();
- base.$preview.val(base.originalContent);
-
- // disable/enable accept button
- if (o.acceptValid) {
- base.checkValid();
- }
-
- if (o.resetDefault) {
- base.shiftActive = base.altActive = base.metaActive = false;
- }
- base.showSet();
-
- // beforeVisible event
- if (!base.isVisible()) {
- base.$el.trigger($keyboard.events.kbBeforeVisible, [base, base.el]);
- }
- if (
- base.initialized ||
- o.initialFocus ||
- ( !o.initialFocus && base.$el.hasClass($keyboard.css.initialFocus) )
- ) {
- base.setCurrent();
- }
- // update keyboard - enabled or disabled?
- base.toggle();
-
- // show keyboard
- base.$keyboard.show();
-
- // adjust keyboard preview window width - save width so IE won't keep expanding (fix issue #6)
- if (o.usePreview && $keyboard.msie) {
- if (typeof base.width === 'undefined') {
- base.$preview.hide(); // preview is 100% browser width in IE7, so hide the damn thing
- base.width = Math.ceil(base.$keyboard.width()); // set input width to match the widest keyboard row
- base.$preview.show();
- }
- base.$preview.width(base.width);
- }
-
- base.reposition();
-
- base.checkDecimal();
-
- // get preview area line height
- // add roughly 4px to get line height from font height, works well for font-sizes from 14-36px
- // needed for textareas
- base.lineHeight = parseInt(base.$preview.css('lineHeight'), 10) ||
- parseInt(base.$preview.css('font-size'), 10) + 4;
-
- if (o.caretToEnd) {
- base.saveCaret(base.originalContent.length, base.originalContent.length);
- }
-
- // IE caret haxx0rs
- if ($keyboard.allie) {
- // sometimes end = 0 while start is > 0
- if (base.last.end === 0 && base.last.start > 0) {
- base.last.end = base.last.start;
- }
- // IE will have start -1, end of 0 when not focused (see demo: https://jsfiddle.net/Mottie/fgryQ/3/)
- if (base.last.start < 0) {
- // ensure caret is at the end of the text (needed for IE)
- base.last.start = base.last.end = base.originalContent.length;
- }
- }
-
- if (alreadyOpen || redraw) {
- // restore caret position (userClosed)
- $keyboard.caret(base.$preview, base.last);
- return base;
- }
-
- // opening keyboard flag; delay allows switching between keyboards without immediately closing
- // the keyboard
- base.timer2 = setTimeout(function () {
- var undef;
- base.opening = false;
- // Number inputs don't support selectionStart and selectionEnd
- // Number/email inputs don't support selectionStart and selectionEnd
- if (!/(number|email)/i.test(base.el.type) && !o.caretToEnd) {
- // caret position is always 0,0 in webkit; and nothing is focused at this point... odd
- // save caret position in the input to transfer it to the preview
- // inside delay to get correct caret position
- base.saveCaret(undef, undef, base.$el);
- }
- if (o.initialFocus || base.$el.hasClass($keyboard.css.initialFocus)) {
- $keyboard.caret(base.$preview, base.last);
- }
- // save event time for keyboards with stayOpen: true
- base.last.eventTime = new Date().getTime();
- base.$el.trigger($keyboard.events.kbVisible, [base, base.el]);
- base.timer = setTimeout(function () {
- // get updated caret information after visible event - fixes #331
- if (base) { // Check if base exists, this is a case when destroy is called, before timers fire
- base.saveCaret();
- }
- }, 200);
- }, 10);
- // return base to allow chaining in typing extension
- return base;
- };
-
- base.updateLanguage = function () {
- // change language if layout is named something like 'french-azerty-1'
- var layouts = $keyboard.layouts,
- lang = o.language || layouts[o.layout] && layouts[o.layout].lang &&
- layouts[o.layout].lang || [o.language || 'en'],
- kblang = $keyboard.language;
-
- // some languages include a dash, e.g. 'en-gb' or 'fr-ca'
- // allow o.language to be a string or array...
- // array is for future expansion where a layout can be set for multiple languages
- lang = ($.isArray(lang) ? lang[0] : lang).split('-')[0];
-
- // set keyboard language
- o.display = $.extend(true, {},
- kblang.en.display,
- kblang[lang] && kblang[lang].display || {},
- base.settings.display
- );
- o.combos = $.extend(true, {},
- kblang.en.combos,
- kblang[lang] && kblang[lang].combos || {},
- base.settings.combos
- );
- o.wheelMessage = kblang[lang] && kblang[lang].wheelMessage || kblang.en.wheelMessage;
- // rtl can be in the layout or in the language definition; defaults to false
- o.rtl = layouts[o.layout] && layouts[o.layout].rtl || kblang[lang] && kblang[lang].rtl || false;
-
- // save default regex (in case loading another layout changes it)
- base.regex = kblang[lang] && kblang[lang].comboRegex || $keyboard.comboRegex;
- // determine if US '.' or European ',' system being used
- base.decimal = /^\./.test(o.display.dec);
- base.$el
- .toggleClass('rtl', o.rtl)
- .css('direction', o.rtl ? 'rtl' : '');
- };
-
- base.startup = function () {
- var kbcss = $keyboard.css;
- // ensure base.$preview is defined; but don't overwrite it if keyboard is always visible
- if (!((o.alwaysOpen || o.userClosed) && base.$preview)) {
- base.makePreview();
- }
- if (!base.hasKeyboard()) {
- // custom layout - create a unique layout name based on the hash
- if (o.layout === 'custom') {
- o.layoutHash = 'custom' + base.customHash();
- }
- base.layout = o.layout === 'custom' ? o.layoutHash : o.layout;
- base.last.layout = base.layout;
-
- base.updateLanguage();
- if (typeof $keyboard.builtLayouts[base.layout] === 'undefined') {
- if ($.isFunction(o.create)) {
- // create must call buildKeyboard() function; or create it's own keyboard
- base.$keyboard = o.create(base);
- } else if (!base.$keyboard.length) {
- base.buildKeyboard(base.layout, true);
- }
- }
- base.$keyboard = $keyboard.builtLayouts[base.layout].$keyboard.clone();
- base.$keyboard.data('keyboard', base);
- if ((base.el.id || '') !== '') {
- // add ID to keyboard for styling purposes
- base.$keyboard.attr('id', base.el.id + $keyboard.css.idSuffix);
- }
-
- base.makePreview();
- }
-
- base.$decBtn = base.$keyboard.find('.' + kbcss.keyPrefix + 'dec');
- // add enter to allowed keys; fixes #190
- if (o.enterNavigation || base.el.nodeName === 'TEXTAREA') {
- base.alwaysAllowed.push(13);
- }
-
- base.bindKeyboard();
-
- base.$keyboard.appendTo(o.appendLocally ? base.$el.parent() : o.appendTo || 'body');
-
- base.bindKeys();
-
- // reposition keyboard on window resize
- if (o.reposition && $.ui && $.ui.position && o.appendTo == 'body') {
- $(window).bind('resize' + base.namespace, function () {
- base.reposition();
- });
- }
-
- };
-
- base.reposition = function () {
- base.position = $.isEmptyObject(o.position) ? false : o.position;
- // position after keyboard is visible (required for UI position utility)
- // and appropriately sized
- if ($.ui && $.ui.position && base.position) {
- base.position.of =
- // get single target position
- base.position.of ||
- // OR target stored in element data (multiple targets)
- base.$el.data('keyboardPosition') ||
- // OR default @ element
- base.$el;
- base.position.collision = base.position.collision || 'flipfit flipfit';
- base.position.at = o.usePreview ? o.position.at : o.position.at2;
- if (base.isVisible()) {
- base.$keyboard.position(base.position);
- }
- }
- // make chainable
- return base;
- };
-
- base.makePreview = function () {
- if (o.usePreview) {
- var indx, attrs, attr, removedAttr,
- kbcss = $keyboard.css;
- base.$preview = base.$el.clone(false)
- .data('keyboard', base)
- .removeClass(kbcss.placeholder + ' ' + kbcss.input)
- .addClass(kbcss.preview + ' ' + o.css.input)
- .attr('tabindex', '-1')
- .show(); // for hidden inputs
- base.preview = base.$preview[0];
-
- // Switch the number input field to text so the caret positioning will work again
- if (base.preview.type === 'number') {
- base.preview.type = 'text';
- }
-
- // remove extraneous attributes.
- removedAttr = /^(data-|id|aria-haspopup)/i;
- attrs = base.$preview.get(0).attributes;
- for (indx = attrs.length - 1; indx >= 0; indx--) {
- attr = attrs[indx] && attrs[indx].name;
- if (removedAttr.test(attr)) {
- // remove data-attributes - see #351
- base.preview.removeAttribute(attr);
- }
- }
- // build preview container and append preview display
- $('<div />')
- .addClass(kbcss.wrapper)
- .append(base.$preview)
- .prependTo(base.$keyboard);
- } else {
- base.$preview = base.$el;
- base.preview = base.el;
- }
- };
-
- // Added in v1.26.8 to allow chaining of the caret function, e.g.
- // keyboard.reveal().caret(4,5).insertText('test').caret('end');
- base.caret = function(param1, param2) {
- $keyboard.caret(base.$preview, param1, param2);
- return base;
- };
-
- base.saveCaret = function (start, end, $el) {
- if (base.isCurrent()) {
- var p = $keyboard.caret($el || base.$preview, start, end);
- base.last.start = typeof start === 'undefined' ? p.start : start;
- base.last.end = typeof end === 'undefined' ? p.end : end;
- }
- };
-
- base.setScroll = function () {
- // Set scroll so caret & current text is in view
- // needed for virtual keyboard typing, NOT manual typing - fixes #23
- if (base.last.virtual) {
-
- var scrollWidth, clientWidth, adjustment, direction,
- isTextarea = base.preview.nodeName === 'TEXTAREA',
- value = base.last.val.substring(0, Math.max(base.last.start, base.last.end));
-
- if (!base.$previewCopy) {
- // clone preview
- base.$previewCopy = base.$preview.clone()
- .removeAttr('id') // fixes #334
- .css({
- position: 'absolute',
- left: 0,
- zIndex: -10,
- visibility: 'hidden'
- })
- .addClass($keyboard.css.inputClone);
- // prevent submitting content on form submission
- base.$previewCopy[0].disabled = true;
- if (!isTextarea) {
- // make input zero-width because we need an accurate scrollWidth
- base.$previewCopy.css({
- 'white-space': 'pre',
- 'width': 0
- });
- }
- if (o.usePreview) {
- // add clone inside of preview wrapper
- base.$preview.after(base.$previewCopy);
- } else {
- // just slap that thing in there somewhere
- base.$keyboard.prepend(base.$previewCopy);
- }
- }
-
- if (isTextarea) {
- // need the textarea scrollHeight, so set the clone textarea height to be the line height
- base.$previewCopy
- .height(base.lineHeight)
- .val(value);
- // set scrollTop for Textarea
- base.preview.scrollTop = base.lineHeight *
- (Math.floor(base.$previewCopy[0].scrollHeight / base.lineHeight) - 1);
- } else {
- // add non-breaking spaces
- base.$previewCopy.val(value.replace(/\s/g, '\xa0'));
-
- // if scrollAdjustment option is set to "c" or "center" then center the caret
- adjustment = /c/i.test(o.scrollAdjustment) ? base.preview.clientWidth / 2 : o.scrollAdjustment;
- scrollWidth = base.$previewCopy[0].scrollWidth - 1;
-
- // set initial state as moving right
- if (typeof base.last.scrollWidth === 'undefined') {
- base.last.scrollWidth = scrollWidth;
- base.last.direction = true;
- }
- // if direction = true; we're scrolling to the right
- direction = base.last.scrollWidth === scrollWidth ?
- base.last.direction :
- base.last.scrollWidth < scrollWidth;
- clientWidth = base.preview.clientWidth - adjustment;
-
- // set scrollLeft for inputs; try to mimic the inherit caret positioning + scrolling:
- // hug right while scrolling right...
- if (direction) {
- if (scrollWidth < clientWidth) {
- base.preview.scrollLeft = 0;
- } else {
- base.preview.scrollLeft = scrollWidth - clientWidth;
- }
- } else {
- // hug left while scrolling left...
- if (scrollWidth >= base.preview.scrollWidth - clientWidth) {
- base.preview.scrollLeft = base.preview.scrollWidth - adjustment;
- } else if (scrollWidth - adjustment > 0) {
- base.preview.scrollLeft = scrollWidth - adjustment;
- } else {
- base.preview.scrollLeft = 0;
- }
- }
-
- base.last.scrollWidth = scrollWidth;
- base.last.direction = direction;
- }
- }
- };
-
- base.bindFocus = function () {
- if (o.openOn) {
- // make sure keyboard isn't destroyed
- // Check if base exists, this is a case when destroy is called, before timers have fired
- if (base && base.el.active) {
- base.$el.bind(o.openOn + base.namespace, function () {
- base.focusOn();
- });
- // remove focus from element (needed for IE since blur doesn't seem to work)
- if ($(':focus')[0] === base.el) {
- base.$el.blur();
- }
- }
- }
- };
-
- base.bindKeyboard = function () {
- var evt,
- keyCodes = $keyboard.keyCodes,
- layout = $keyboard.builtLayouts[base.layout];
- base.$preview
- .unbind(base.namespace)
- .bind('click' + base.namespace + ' touchstart' + base.namespace, function () {
- if (o.alwaysOpen && !base.isCurrent()) {
- base.reveal();
- }
- // update last caret position after user click, use at least 150ms or it doesn't work in IE
- base.timer2 = setTimeout(function () {
- if (base){
- base.saveCaret();
- }
- }, 150);
-
- })
- .bind('keypress' + base.namespace, function (e) {
- if (o.lockInput) {
- return false;
- }
- if (!base.isCurrent()) {
- return;
- }
-
- var k = e.charCode || e.which,
- // capsLock can only be checked while typing a-z
- k1 = k >= keyCodes.A && k <= keyCodes.Z,
- k2 = k >= keyCodes.a && k <= keyCodes.z,
- str = base.last.key = String.fromCharCode(k);
- base.last.virtual = false;
- base.last.event = e;
- base.last.$key = []; // not a virtual keyboard key
- if (base.checkCaret) {
- base.saveCaret();
- }
-
- // update capsLock
- if (k !== keyCodes.capsLock && (k1 || k2)) {
- base.capsLock = (k1 && !e.shiftKey) || (k2 && e.shiftKey);
- // if shifted keyset not visible, then show it
- if (base.capsLock && !base.shiftActive) {
- base.shiftActive = true;
- base.showSet();
- }
- }
-
- // restrict input - keyCode in keypress special keys:
- // see http://www.asquare.net/javascript/tests/KeyCode.html
- if (o.restrictInput) {
- // allow navigation keys to work - Chrome doesn't fire a keypress event (8 = bksp)
- if ((e.which === keyCodes.backSpace || e.which === 0) &&
- $.inArray(e.keyCode, base.alwaysAllowed)) {
- return;
- }
- // quick key check
- if ($.inArray(str, layout.acceptedKeys) === -1) {
- e.preventDefault();
- // copy event object in case e.preventDefault() breaks when changing the type
- evt = $.extend({}, e);
- evt.type = $keyboard.events.inputRestricted;
- base.$el.trigger(evt, [base, base.el]);
- }
- } else if ((e.ctrlKey || e.metaKey) &&
- (e.which === keyCodes.A || e.which === keyCodes.C || e.which === keyCodes.V ||
- (e.which >= keyCodes.X && e.which <= keyCodes.Z))) {
- // Allow select all (ctrl-a), copy (ctrl-c), paste (ctrl-v) & cut (ctrl-x) &
- // redo (ctrl-y)& undo (ctrl-z); meta key for mac
- return;
- }
- // Mapped Keys - allows typing on a regular keyboard and the mapped key is entered
- // Set up a key in the layout as follows: 'm(a):label'; m = key to map, (a) = actual keyboard key
- // to map to (optional), ':label' = title/tooltip (optional)
- // example: \u0391 or \u0391(A) or \u0391:alpha or \u0391(A):alpha
- if (layout.hasMappedKeys && layout.mappedKeys.hasOwnProperty(str)) {
- base.last.key = layout.mappedKeys[str];
- base.insertText(base.last.key);
- e.preventDefault();
- }
- if (typeof o.beforeInsert === 'function') {
- base.insertText(base.last.key);
- e.preventDefault();
- }
- base.checkMaxLength();
-
- })
- .bind('keyup' + base.namespace, function (e) {
- if (!base.isCurrent()) { return; }
- base.last.virtual = false;
- switch (e.which) {
- // Insert tab key
- case keyCodes.tab:
- // Added a flag to prevent from tabbing into an input, keyboard opening, then adding the tab
- // to the keyboard preview area on keyup. Sadly it still happens if you don't release the tab
- // key immediately because keydown event auto-repeats
- if (base.tab && o.tabNavigation && !o.lockInput) {
- base.shiftActive = e.shiftKey;
- // when switching inputs, the tab keyaction returns false
- var notSwitching = $keyboard.keyaction.tab(base);
- base.tab = false;
- if (!notSwitching) {
- return false;
- }
- } else {
- e.preventDefault();
- }
- break;
-
- // Escape will hide the keyboard
- case keyCodes.escape:
- if (!o.ignoreEsc) {
- base.close(o.autoAccept && o.autoAcceptOnEsc ? 'true' : false);
- }
- return false;
- }
-
- // throttle the check combo function because fast typers will have an incorrectly positioned caret
- clearTimeout(base.throttled);
- base.throttled = setTimeout(function () {
- // fix error in OSX? see issue #102
- if (base && base.isVisible()) {
- base.checkCombos();
- }
- }, 100);
-
- base.checkMaxLength();
-
- base.last.preVal = '' + base.last.val;
- base.last.val = base.$preview.val();
-
- // don't alter "e" or the "keyup" event never finishes processing; fixes #552
- var event = jQuery.Event( $keyboard.events.kbChange );
- // base.last.key may be empty string (shift, enter, tab, etc) when keyboard is first visible
- // use e.key instead, if browser supports it
- event.action = base.last.key;
- base.$el.trigger(event, [base, base.el]);
-
- // change callback is no longer bound to the input element as the callback could be
- // called during an external change event with all the necessary parameters (issue #157)
- if ($.isFunction(o.change)) {
- event.type = $keyboard.events.inputChange;
- o.change(event, base, base.el);
- return false;
- }
- if (o.acceptValid && o.autoAcceptOnValid) {
- if ($.isFunction(o.validate) && o.validate(base, base.$preview.val())) {
- base.$preview.blur();
- base.accept();
- }
- }
- })
- .bind('keydown' + base.namespace, function (e) {
- base.last.keyPress = e.which;
- // ensure alwaysOpen keyboards are made active
- if (o.alwaysOpen && !base.isCurrent()) {
- base.reveal();
- }
- // prevent tab key from leaving the preview window
- if (e.which === keyCodes.tab) {
- // allow tab to pass through - tab to next input/shift-tab for prev
- base.tab = true;
- return false;
- }
-
- if (o.lockInput) {
- return false;
- }
-
- base.last.virtual = false;
- switch (e.which) {
-
- case keyCodes.backSpace:
- $keyboard.keyaction.bksp(base, null, e);
- e.preventDefault();
- break;
-
- case keyCodes.enter:
- $keyboard.keyaction.enter(base, null, e);
- break;
-
- // Show capsLock
- case keyCodes.capsLock:
- base.shiftActive = base.capsLock = !base.capsLock;
- base.showSet();
- break;
-
- case keyCodes.V:
- // prevent ctrl-v/cmd-v
- if (e.ctrlKey || e.metaKey) {
- if (o.preventPaste) {
- e.preventDefault();
- return;
- }
- base.checkCombos(); // check pasted content
- }
- break;
- }
- })
- .bind('mouseup touchend '.split(' ').join(base.namespace + ' '), function () {
- base.last.virtual = true;
- base.saveCaret();
- });
-
- // prevent keyboard event bubbling
- base.$keyboard.bind('mousedown click touchstart '.split(' ').join(base.namespace + ' '), function (e) {
- e.stopPropagation();
- if (!base.isCurrent()) {
- base.reveal();
- $(document).trigger('checkkeyboard' + base.namespace);
- }
- if (!o.noFocus && base.$preview) {
- base.$preview.focus();
- }
- });
-
- // If preventing paste, block context menu (right click)
- if (o.preventPaste) {
- base.$preview.bind('contextmenu' + base.namespace, function (e) {
- e.preventDefault();
- });
- base.$el.bind('contextmenu' + base.namespace, function (e) {
- e.preventDefault();
- });
- }
-
- };
-
- base.bindKeys = function () {
- var kbcss = $keyboard.css;
- base.$allKeys = base.$keyboard.find('button.' + kbcss.keyButton)
- .unbind(base.namespace + ' ' + base.namespace + 'kb')
- // Change hover class and tooltip - moved this touchstart before option.keyBinding touchstart
- // to prevent mousewheel lag/duplication - Fixes #379 & #411
- .bind('mouseenter mouseleave touchstart '.split(' ').join(base.namespace + ' '), function (e) {
- if ((o.alwaysOpen || o.userClosed) && e.type !== 'mouseleave' && !base.isCurrent()) {
- base.reveal();
- if (!o.noFocus) {
- base.$preview.focus();
- }
- $keyboard.caret(base.$preview, base.last);
- }
- if (!base.isCurrent()) {
- return;
- }
- var $keys, txt,
- last = base.last,
- $this = $(this),
- type = e.type;
-
- if (o.useWheel && base.wheel) {
- $keys = base.getLayers($this);
- txt = ($keys.length ? $keys.map(function () {
- return $(this).attr('data-value') || '';
- })
- .get() : '') || [$this.text()];
- last.wheel_$Keys = $keys;
- last.wheelLayers = txt;
- last.wheelIndex = $.inArray($this.attr('data-value'), txt);
- }
-
- if ((type === 'mouseenter' || type === 'touchstart') && base.el.type !== 'password' &&
- !$this.hasClass(o.css.buttonDisabled)) {
- $this.addClass(o.css.buttonHover);
- if (o.useWheel && base.wheel) {
- $this.attr('title', function (i, t) {
- // show mouse wheel message
- return (base.wheel && t === '' && base.sets && txt.length > 1 && type !== 'touchstart') ?
- o.wheelMessage : t;
- });
- }
- }
- if (type === 'mouseleave') {
- // needed or IE flickers really bad
- $this.removeClass((base.el.type === 'password') ? '' : o.css.buttonHover);
- if (o.useWheel && base.wheel) {
- last.wheelIndex = 0;
- last.wheelLayers = [];
- last.wheel_$Keys = null;
- $this
- .attr('title', function (i, t) {
- return (t === o.wheelMessage) ? '' : t;
- })
- .html($this.attr('data-html')); // restore original button text
- }
- }
- })
- // keyBinding = 'mousedown touchstart' by default
- .bind(o.keyBinding.split(' ').join(base.namespace + ' ') + base.namespace + ' ' +
- $keyboard.events.kbRepeater, function (e) {
- e.preventDefault();
- // prevent errors when external triggers attempt to 'type' - see issue #158
- if (!base.$keyboard.is(':visible')) {
- return false;
- }
- var action, $keys,
- last = base.last,
- key = this,
- $key = $(key),
- // prevent mousedown & touchstart from both firing events at the same time - see #184
- timer = new Date().getTime();
-
- if (o.useWheel && base.wheel) {
- // get keys from other layers/keysets (shift, alt, meta, etc) that line up by data-position
- $keys = last.wheel_$Keys;
- // target mousewheel selected key
- $key = $keys && last.wheelIndex > -1 ? $keys.eq(last.wheelIndex) : $key;
- }
- action = $key.attr('data-action');
- if (timer - (last.eventTime || 0) < o.preventDoubleEventTime) {
- return;
- }
- last.eventTime = timer;
- last.event = e;
- last.virtual = true;
- if (!o.noFocus) {
- base.$preview.focus();
- }
- last.$key = $key;
- last.key = $key.attr('data-value');
- last.keyPress = "";
- // Start caret in IE when not focused (happens with each virtual keyboard button click
- if (base.checkCaret) {
- $keyboard.caret(base.$preview, last);
- }
- if (/^meta/.test(action)) {
- action = 'meta';
- }
- // keyaction is added as a string, override original action & text
- if (action === last.key && typeof $keyboard.keyaction[action] === 'string') {
- last.key = action = $keyboard.keyaction[action];
- } else if (action in $keyboard.keyaction && $.isFunction($keyboard.keyaction[action])) {
- // stop processing if action returns false (close & cancel)
- if ($keyboard.keyaction[action](base, this, e) === false) {
- return false;
- }
- action = null; // prevent inserting action name
- }
- // stop processing if keyboard closed and keyaction did not return false - see #536
- if (!base.hasKeyboard()) {
- return false;
- }
- if (typeof action !== 'undefined' && action !== null) {
- last.key = $(this).hasClass(kbcss.keyAction) ? action : last.key;
- base.insertText(last.key);
- if (!base.capsLock && !o.stickyShift && !e.shiftKey) {
- base.shiftActive = false;
- base.showSet($key.attr('data-name'));
- }
- }
- // set caret if caret moved by action function; also, attempt to fix issue #131
- $keyboard.caret(base.$preview, last);
- base.checkCombos();
- e.type = $keyboard.events.kbChange;
- e.action = last.key;
- base.$el.trigger(e, [base, base.el]);
- last.preVal = '' + last.val;
- last.val = base.$preview.val();
-
- if ($.isFunction(o.change)) {
- e.type = $keyboard.events.inputChange;
- o.change(e, base, base.el);
- // return false to prevent reopening keyboard if base.accept() was called
- return false;
- }
-
- })
- // using 'kb' namespace for mouse repeat functionality to keep it separate
- // I need to trigger a 'repeater.keyboard' to make it work
- .bind('mouseup' + base.namespace + ' ' + 'mouseleave touchend touchmove touchcancel '.split(' ')
- .join(base.namespace + 'kb '), function (e) {
- base.last.virtual = true;
- var offset,
- $this = $(this);
- if (e.type === 'touchmove') {
- // if moving within the same key, don't stop repeating
- offset = $this.offset();
- offset.right = offset.left + $this.outerWidth();
- offset.bottom = offset.top + $this.outerHeight();
- if (e.originalEvent.touches[0].pageX >= offset.left &&
- e.originalEvent.touches[0].pageX < offset.right &&
- e.originalEvent.touches[0].pageY >= offset.top &&
- e.originalEvent.touches[0].pageY < offset.bottom) {
- return true;
- }
- } else if (/(mouseleave|touchend|touchcancel)/i.test(e.type)) {
- $this.removeClass(o.css.buttonHover); // needed for touch devices
- } else {
- if (!o.noFocus && base.isCurrent() && base.isVisible()) {
- base.$preview.focus();
- }
- if (base.checkCaret) {
- $keyboard.caret(base.$preview, base.last);
- }
- }
- base.mouseRepeat = [false, ''];
- clearTimeout(base.repeater); // make sure key repeat stops!
- if (o.acceptValid && o.autoAcceptOnValid) {
- if ($.isFunction(o.validate) && o.validate(base, base.$preview.val())) {
- base.$preview.blur();
- base.accept();
- }
- }
- return false;
- })
- // prevent form submits when keyboard is bound locally - issue #64
- .bind('click' + base.namespace, function () {
- return false;
- })
- // no mouse repeat for action keys (shift, ctrl, alt, meta, etc)
- .not('.' + kbcss.keyAction)
- // Allow mousewheel to scroll through other keysets of the same (non-action) key
- .bind('mousewheel' + base.namespace, function (e, delta) {
- if (o.useWheel && base.wheel) {
- // deltaY used by newer versions of mousewheel plugin
- delta = delta || e.deltaY;
- var n,
- txt = base.last.wheelLayers || [];
- if (txt.length > 1) {
- n = base.last.wheelIndex + (delta > 0 ? -1 : 1);
- if (n > txt.length - 1) {
- n = 0;
- }
- if (n < 0) {
- n = txt.length - 1;
- }
- } else {
- n = 0;
- }
- base.last.wheelIndex = n;
- $(this).html(txt[n]);
- return false;
- }
- })
- // mouse repeated action key exceptions
- .add('.' + kbcss.keyPrefix + ('tab bksp space enter'.split(' ')
- .join(',.' + kbcss.keyPrefix)), base.$keyboard)
- .bind('mousedown touchstart '.split(' ').join(base.namespace + 'kb '), function () {
- if (o.repeatRate !== 0) {
- var key = $(this);
- // save the key, make sure we are repeating the right one (fast typers)
- base.mouseRepeat = [true, key];
- setTimeout(function () {
- // don't repeat keys if it is disabled - see #431
- if (base && base.mouseRepeat[0] && base.mouseRepeat[1] === key && !key[0].disabled) {
- base.repeatKey(key);
- }
- }, o.repeatDelay);
- }
- return false;
- });
- };
-
- // Insert text at caret/selection - thanks to Derek Wickwire for fixing this up!
- base.insertText = function (txt) {
- if (!base.$preview) { return; }
- if (typeof o.beforeInsert === 'function') {
- txt = o.beforeInsert(base.last.event, base, base.el, txt);
- }
- if (typeof txt === 'undefined' || txt === false) {
- base.last.key = '';
- return;
- }
- var bksp, t,
- isBksp = txt === '\b',
- // use base.$preview.val() instead of base.preview.value (val.length includes carriage returns in IE).
- val = base.$preview.val(),
- pos = $keyboard.caret(base.$preview),
- len = val.length; // save original content length
-
- // silly IE caret hacks... it should work correctly, but navigating using arrow keys in a textarea
- // is still difficult
- // in IE, pos.end can be zero after input loses focus
- if (pos.end < pos.start) {
- pos.end = pos.start;
- }
- if (pos.start > len) {
- pos.end = pos.start = len;
- }
-
- if (base.preview.nodeName === 'TEXTAREA') {
- // This makes sure the caret moves to the next line after clicking on enter (manual typing works fine)
- if ($keyboard.msie && val.substr(pos.start, 1) === '\n') {
- pos.start += 1;
- pos.end += 1;
- }
- }
-
- if (txt === '{d}') {
- txt = '';
- t = pos.start;
- pos.end += 1;
- }
-
- bksp = isBksp && pos.start === pos.end;
- txt = isBksp ? '' : txt;
- val = val.substr(0, pos.start - (bksp ? 1 : 0)) + txt + val.substr(pos.end);
- t = pos.start + (bksp ? -1 : txt.length);
-
- base.$preview.val(val);
- base.saveCaret(t, t); // save caret in case of bksp
- base.setScroll();
- // see #506.. allow chaining of insertText
- return base;
- };
-
- // check max length
- base.checkMaxLength = function () {
- if (!base.$preview) { return; }
- var start, caret,
- val = base.$preview.val();
- if (o.maxLength !== false && val.length > o.maxLength) {
- start = $keyboard.caret(base.$preview).start;
- caret = Math.min(start, o.maxLength);
-
- // prevent inserting new characters when maxed #289
- if (!o.maxInsert) {
- val = base.last.val;
- caret = start - 1; // move caret back one
- }
-
- base.$preview.val(val.substring(0, o.maxLength));
- // restore caret on change, otherwise it ends up at the end.
- base.saveCaret(caret, caret);
- }
- if (base.$decBtn.length) {
- base.checkDecimal();
- }
- // allow chaining
- return base;
- };
-
- // mousedown repeater
- base.repeatKey = function (key) {
- key.trigger($keyboard.events.kbRepeater);
- if (base.mouseRepeat[0]) {
- base.repeater = setTimeout(function () {
- if (base){
- base.repeatKey(key);
- }
- }, base.repeatTime);
- }
- };
-
- base.getKeySet = function () {
- var sets = [];
- if (base.altActive) {
- sets.push('alt');
- }
- if (base.shiftActive) {
- sets.push('shift');
- }
- if (base.metaActive) {
- // base.metaActive contains the string name of the
- // current meta keyset
- sets.push(base.metaActive);
- }
- return sets.length ? sets.join('+') : 'normal';
- };
-
- // make it easier to switch keysets via API
- // showKeySet('shift+alt+meta1')
- base.showKeySet = function (str) {
- if (typeof str === 'string') {
- base.last.keyset = [base.shiftActive, base.altActive, base.metaActive];
- base.shiftActive = /shift/i.test(str);
- base.altActive = /alt/i.test(str);
- if (/\bmeta/.test(str)) {
- base.metaActive = true;
- base.showSet(str.match(/\bmeta[\w-]+/i)[0]);
- } else {
- base.metaActive = false;
- base.showSet();
- }
- } else {
- base.showSet(str);
- }
- // allow chaining
- return base;
- };
-
- base.showSet = function (name) {
- if (!base.hasKeyboard()) { return; }
- o = base.options; // refresh options
- var kbcss = $keyboard.css,
- prefix = '.' + kbcss.keyPrefix,
- active = o.css.buttonActive,
- key = '',
- toShow = (base.shiftActive ? 1 : 0) + (base.altActive ? 2 : 0);
- if (!base.shiftActive) {
- base.capsLock = false;
- }
- // check meta key set
- if (base.metaActive) {
- // remove "-shift" and "-alt" from meta name if it exists
- if (base.shiftActive) {
- name = (name || "").replace("-shift", "");
- }
- if (base.altActive) {
- name = (name || "").replace("-alt", "");
- }
- // the name attribute contains the meta set name 'meta99'
- key = (/^meta/i.test(name)) ? name : '';
- // save active meta keyset name
- if (key === '') {
- key = (base.metaActive === true) ? '' : base.metaActive;
- } else {
- base.metaActive = key;
- }
- // if meta keyset doesn't have a shift or alt keyset, then show just the meta key set
- if ((!o.stickyShift && base.last.keyset[2] !== base.metaActive) ||
- ((base.shiftActive || base.altActive) &&
- !base.$keyboard.find('.' + kbcss.keySet + '-' + key + base.rows[toShow]).length)) {
- base.shiftActive = base.altActive = false;
- }
- } else if (!o.stickyShift && base.last.keyset[2] !== base.metaActive && base.shiftActive) {
- // switching from meta key set back to default, reset shift & alt if using stickyShift
- base.shiftActive = base.altActive = false;
- }
- toShow = (base.shiftActive ? 1 : 0) + (base.altActive ? 2 : 0);
- key = (toShow === 0 && !base.metaActive) ? '-normal' : (key === '') ? '' : '-' + key;
- if (!base.$keyboard.find('.' + kbcss.keySet + key + base.rows[toShow]).length) {
- // keyset doesn't exist, so restore last keyset settings
- base.shiftActive = base.last.keyset[0];
- base.altActive = base.last.keyset[1];
- base.metaActive = base.last.keyset[2];
- return;
- }
- base.$keyboard
- .find(prefix + 'alt,' + prefix + 'shift,.' + kbcss.keyAction + '[class*=meta]')
- .removeClass(active)
- .end()
- .find(prefix + 'alt')
- .toggleClass(active, base.altActive)
- .end()
- .find(prefix + 'shift')
- .toggleClass(active, base.shiftActive)
- .end()
- .find(prefix + 'lock')
- .toggleClass(active, base.capsLock)
- .end()
- .find('.' + kbcss.keySet)
- .hide()
- .end()
- .find('.' + (kbcss.keyAction + prefix + key).replace("--", "-"))
- .addClass(active);
-
- // show keyset using inline-block ( extender layout will then line up )
- base.$keyboard.find('.' + kbcss.keySet + key + base.rows[toShow])[0].style.display = 'inline-block';
- if (base.metaActive) {
- base.$keyboard.find(prefix + base.metaActive)
- // base.metaActive contains the string "meta#" or false
- // without the !== false, jQuery UI tries to transition the classes
- .toggleClass(active, base.metaActive !== false);
- }
- base.last.keyset = [base.shiftActive, base.altActive, base.metaActive];
- base.$el.trigger($keyboard.events.kbKeysetChange, [base, base.el]);
- if (o.reposition) {
- base.reposition();
- }
- };
-
- // check for key combos (dead keys)
- base.checkCombos = function () {
- // return val for close function
- if ( !(
- base.isVisible() || (
- base.hasKeyboard() &&
- base.$keyboard.hasClass( $keyboard.css.hasFocus )
- )
- ) ) {
- return ( base.$preview || base.$el ).val();
- }
- var r, t, t2,
- // use base.$preview.val() instead of base.preview.value (val.length includes carriage returns in IE).
- val = base.$preview.val(),
- pos = $keyboard.caret(base.$preview),
- layout = $keyboard.builtLayouts[base.layout],
- len = val.length; // save original content length
- // return if val is empty; fixes #352
- if (val === '') {
- // check valid on empty string - see #429
- if (o.acceptValid) {
- base.checkValid();
- }
- return val;
- }
-
- // silly IE caret hacks... it should work correctly, but navigating using arrow keys in a textarea
- // is still difficult
- // in IE, pos.end can be zero after input loses focus
- if (pos.end < pos.start) {
- pos.end = pos.start;
- }
- if (pos.start > len) {
- pos.end = pos.start = len;
- }
- // This makes sure the caret moves to the next line after clicking on enter (manual typing works fine)
- if ($keyboard.msie && val.substr(pos.start, 1) === '\n') {
- pos.start += 1;
- pos.end += 1;
- }
-
- if (o.useCombos) {
- // keep 'a' and 'o' in the regex for ae and oe ligature (æ,œ)
- // thanks to KennyTM: http://stackoverflow.com/q/4275077
- // original regex /([`\'~\^\"ao])([a-z])/mig moved to $.keyboard.comboRegex
- if ($keyboard.msie) {
- // old IE may not have the caret positioned correctly, so just check the whole thing
- val = val.replace(base.regex, function (s, accent, letter) {
- return (o.combos.hasOwnProperty(accent)) ? o.combos[accent][letter] || s : s;
- });
- // prevent combo replace error, in case the keyboard closes - see issue #116
- } else if (base.$preview.length) {
- // Modern browsers - check for combos from last two characters left of the caret
- t = pos.start - (pos.start - 2 >= 0 ? 2 : 0);
- // target last two characters
- $keyboard.caret(base.$preview, t, pos.end);
- // do combo replace
- t2 = ($keyboard.caret(base.$preview).text || '').replace(base.regex, function (s, accent, letter) {
- return (o.combos.hasOwnProperty(accent)) ? o.combos[accent][letter] || s : s;
- });
- // add combo back
- t = $keyboard.caret(base.$preview);
- // prevent error if caret doesn't return a function
- if (t && t.replaceStr) {
- base.$preview.val(t.replaceStr(t2));
- }
- val = base.$preview.val();
- }
- }
-
- // check input restrictions - in case content was pasted
- if (o.restrictInput && val !== '') {
- t = layout.acceptedKeys.length;
-
- r = layout.acceptedKeysRegex;
- if (!r) {
- t2 = $.map(layout.acceptedKeys, function (v) {
- // escape any special characters
- return v.replace(base.escapeRegex, '\\$&');
- });
- r = layout.acceptedKeysRegex = new RegExp('(' + t2.join('|') + ')', 'g');
- }
-
- // only save matching keys
- t2 = val.match(r);
- if (t2) {
- val = t2.join('');
- } else {
- // no valid characters
- val = '';
- len = 0;
- }
- }
-
- // save changes, then reposition caret
- pos.start += val.length - len;
- pos.end += val.length - len;
- base.$preview.val(val);
- base.saveCaret(pos.start, pos.end);
- // set scroll to keep caret in view
- base.setScroll();
-
- base.checkMaxLength();
-
- if (o.acceptValid) {
- base.checkValid();
- }
-
- return val; // return text, used for keyboard closing section
- };
-
- // Toggle accept button classes, if validating
- base.checkValid = function () {
- var kbcss = $keyboard.css,
- $accept = base.$keyboard.find('.' + kbcss.keyPrefix + 'accept'),
- valid = true;
- if ($.isFunction(o.validate)) {
- valid = o.validate(base, base.$preview.val(), false);
- }
- // toggle accept button classes; defined in the css
- $accept
- .toggleClass(kbcss.inputInvalid, !valid)
- .toggleClass(kbcss.inputValid, valid)
- // update title to indicate that the entry is valid or invalid
- .attr('title', $accept.attr('data-title') + ' (' + o.display[valid ? 'valid' : 'invalid'] + ')');
- };
-
- // Decimal button for num pad - only allow one (not used by default)
- base.checkDecimal = function () {
- // Check US '.' or European ',' format
- if ((base.decimal && /\./g.test(base.preview.value)) ||
- (!base.decimal && /\,/g.test(base.preview.value))) {
- base.$decBtn
- .attr({
- 'disabled': 'disabled',
- 'aria-disabled': 'true'
- })
- .removeClass(o.css.buttonHover)
- .addClass(o.css.buttonDisabled);
- } else {
- base.$decBtn
- .removeAttr('disabled')
- .attr({
- 'aria-disabled': 'false'
- })
- .addClass(o.css.buttonDefault)
- .removeClass(o.css.buttonDisabled);
- }
- };
-
- // get other layer values for a specific key
- base.getLayers = function ($el) {
- var kbcss = $keyboard.css,
- key = $el.attr('data-pos'),
- $keys = $el.closest('.' + kbcss.keyboard)
- .find('button[data-pos="' + key + '"]');
- return $keys.filter(function () {
- return $(this)
- .find('.' + kbcss.keyText)
- .text() !== '';
- })
- .add($el);
- };
-
- // Go to next or prev inputs
- // goToNext = true, then go to next input; if false go to prev
- // isAccepted is from autoAccept option or true if user presses shift+enter
- base.switchInput = function (goToNext, isAccepted) {
- if ($.isFunction(o.switchInput)) {
- o.switchInput(base, goToNext, isAccepted);
- } else {
- // base.$keyboard may be an empty array - see #275 (apod42)
- if (base.$keyboard.length) {
- base.$keyboard.hide();
- }
- var kb,
- stopped = false,
- all = $('button, input, select, textarea, a')
- .filter(':visible')
- .not(':disabled'),
- indx = all.index(base.$el) + (goToNext ? 1 : -1);
- if (base.$keyboard.length) {
- base.$keyboard.show();
- }
- if (indx > all.length - 1) {
- stopped = o.stopAtEnd;
- indx = 0; // go to first input
- }
- if (indx < 0) {
- stopped = o.stopAtEnd;
- indx = all.length - 1; // stop or go to last
- }
- if (!stopped) {
- isAccepted = base.close(isAccepted);
- if (!isAccepted) {
- return;
- }
- kb = all.eq(indx).data('keyboard');
- if (kb && kb.options.openOn.length) {
- kb.focusOn();
- } else {
- all.eq(indx).focus();
- }
- }
- }
- return false;
- };
-
- // Close the keyboard, if visible. Pass a status of true, if the content was accepted
- // (for the event trigger).
- base.close = function (accepted) {
- if (base.isOpen && base.$keyboard.length) {
- clearTimeout(base.throttled);
- var kbcss = $keyboard.css,
- kbevents = $keyboard.events,
- val = (accepted) ? base.checkCombos() : base.originalContent;
- // validate input if accepted
- if (accepted && $.isFunction(o.validate) && !o.validate(base, val, true)) {
- val = base.originalContent;
- accepted = false;
- if (o.cancelClose) {
- return;
- }
- }
- base.isCurrent(false);
- base.isOpen = o.alwaysOpen || o.userClosed;
- // update value for always open keyboards
- base.$preview.val(val);
- base.$el
- .removeClass(kbcss.isCurrent + ' ' + kbcss.inputAutoAccepted)
- // add 'ui-keyboard-autoaccepted' to inputs - see issue #66
- .addClass((accepted || false) ? accepted === true ? '' : kbcss.inputAutoAccepted : '')
- .val(val)
- // trigger default change event - see issue #146
- .trigger(kbevents.inputChange);
- // don't trigger an empty event - see issue #463
- if (!o.alwaysOpen) {
- // don't trigger beforeClose if keyboard is always open
- base.$el.trigger(kbevents.kbBeforeClose, [base, base.el, (accepted || false)]);
- }
- // save caret after updating value (fixes userClosed issue with changing focus)
- $keyboard.caret(base.$preview, base.last);
-
- base.$el
- .trigger(((accepted || false) ? kbevents.inputAccepted : kbevents.inputCanceled), [base, base.el])
- .trigger((o.alwaysOpen) ? kbevents.kbInactive : kbevents.kbHidden, [base, base.el])
- .blur();
-
- // base is undefined if keyboard was destroyed - fixes #358
- if (base) {
- // add close event time
- base.last.eventTime = new Date().getTime();
- if (!(o.alwaysOpen || o.userClosed && accepted === 'true') && base.$keyboard.length) {
- // free up memory
- base.removeKeyboard();
- // rebind input focus - delayed to fix IE issue #72
- base.timer = setTimeout(function () {
- if (base) {
- base.bindFocus();
- }
- }, 500);
- }
- if (!base.watermark && base.el.value === '' && base.inPlaceholder !== '') {
- base.$el
- .addClass(kbcss.placeholder)
- .val(base.inPlaceholder);
- }
- }
- }
- return !!accepted;
- };
-
- base.accept = function () {
- return base.close(true);
- };
-
- base.checkClose = function (e) {
- if (base.opening) {
- return;
- }
- base.escClose(e);
- var kbcss = $.keyboard.css,
- $target = $(e.target);
- // needed for IE to allow switching between keyboards smoothly
- if ($target.hasClass(kbcss.input)) {
- var kb = $target.data('keyboard');
- // only trigger on self
- if (
- kb !== base &&
- !kb.$el.hasClass(kbcss.isCurrent) &&
- kb.options.openOn &&
- e.type === o.openOn
- ) {
- kb.focusOn();
- }
- }
- };
-
- base.escClose = function (e) {
- if (e && e.type === 'keyup') {
- return (e.which === $keyboard.keyCodes.escape && !o.ignoreEsc) ?
- base.close(o.autoAccept && o.autoAcceptOnEsc ? 'true' : false) :
- '';
- }
- // keep keyboard open if alwaysOpen or stayOpen is true - fixes mutliple always open keyboards or
- // single stay open keyboard
- if (!base.isOpen) {
- return;
- }
- // ignore autoaccept if using escape - good idea?
- if (!base.isCurrent() && base.isOpen || base.isOpen && e.target !== base.el) {
- // don't close if stayOpen is set; but close if a different keyboard is being opened
- if ((o.stayOpen || o.userClosed) && !$(e.target).hasClass($keyboard.css.input)) {
- return;
- }
- // stop propogation in IE - an input getting focus doesn't open a keyboard if one is already open
- if ($keyboard.allie) {
- e.preventDefault();
- }
- if (o.closeByClickEvent) {
- // only close the keyboard if the user is clicking on an input or if he causes a click
- // event (touchstart/mousedown will not force the close with this setting)
- var name = e.target.nodeName.toLowerCase();
- if (name === 'input' || name === 'textarea' || e.type === 'click') {
- base.close(o.autoAccept ? 'true' : false);
- }
- } else {
- // send 'true' instead of a true (boolean), the input won't get a 'ui-keyboard-autoaccepted'
- // class name - see issue #66
- base.close(o.autoAccept ? 'true' : false);
- }
- }
- };
-
- // Build default button
- base.keyBtn = $('<button />')
- .attr({
- 'role': 'button',
- 'type': 'button',
- 'aria-disabled': 'false',
- 'tabindex': '-1'
- })
- .addClass($keyboard.css.keyButton);
-
- // convert key names into a class name
- base.processName = function (name) {
- var index, n,
- process = (name || '').replace(/[^a-z0-9-_]/gi, ''),
- len = process.length,
- newName = [];
- if (len > 1 && name === process) {
- // return name if basic text
- return name;
- }
- // return character code sequence
- len = name.length;
- if (len) {
- for (index = 0; index < len; index++) {
- n = name[index];
- // keep '-' and '_'... so for dash, we get two dashes in a row
- newName.push(/[a-z0-9-_]/i.test(n) ?
- (/[-_]/.test(n) && index !== 0 ? '' : n) :
- (index === 0 ? '' : '-') + n.charCodeAt(0)
- );
- }
- return newName.join('');
- } else {
- return name;
- }
- };
-
- base.processKeys = function (name) {
- var tmp,
- parts = name.split(':'),
- data = {
- name: null,
- map: '',
- title: ''
- };
- /* map defined keys
- format 'key(A):Label_for_key_(ignore_parentheses_here)'
- 'key' = key that is seen (can any character(s); but it might need to be escaped using '\'
- or entered as unicode '\u####'
- '(A)' = the actual key on the real keyboard to remap
- ':Label_for_key' ends up in the title/tooltip
- Examples:
- '\u0391(A):alpha', 'x(y):this_(might)_cause_problems
- or edge cases of ':(x)', 'x(:)', 'x(()' or 'x())'
- Enhancement (if I can get alt keys to work):
- A mapped key will include the mod key, e.g. 'x(alt-x)' or 'x(alt-shift-x)'
- */
- if (/\(.+\)/.test(parts[0]) || /^:\(.+\)/.test(name) || /\([(:)]\)/.test(name)) {
- // edge cases 'x(:)', 'x(()' or 'x())'
- if (/\([(:)]\)/.test(name)) {
- tmp = parts[0].match(/([^(]+)\((.+)\)/);
- if (tmp && tmp.length) {
- data.name = tmp[1];
- data.map = tmp[2];
- data.title = parts.length > 1 ? parts.slice(1).join(':') : '';
- } else {
- // edge cases 'x(:)', ':(x)' or ':(:)'
- data.name = name.match(/([^(]+)/)[0];
- if (data.name === ':') {
- // ':(:):test' => parts = [ '', '(', ')', 'title' ] need to slice 1
- parts = parts.slice(1);
- }
- if (tmp === null) {
- // 'x(:):test' => parts = [ 'x(', ')', 'title' ] need to slice 2
- data.map = ':';
- parts = parts.slice(2);
- }
- data.title = parts.length ? parts.join(':') : '';
- }
- } else {
- // example: \u0391(A):alpha; extract 'A' from '(A)'
- data.map = name.match(/\(([^()]+?)\)/)[1];
- // remove '(A)', left with '\u0391:alpha'
- name = name.replace(/\(([^()]+)\)/, '');
- tmp = name.split(':');
- // get '\u0391' from '\u0391:alpha'
- if (tmp[0] === '') {
- data.name = ':';
- parts = parts.slice(1);
- } else {
- data.name = tmp[0];
- }
- data.title = parts.length > 1 ? parts.slice(1).join(':') : '';
- }
- } else {
- // find key label
- // corner case of '::;' reduced to ':;', split as ['', ';']
- if (name !== '' && parts[0] === '') {
- data.name = ':';
- parts = parts.slice(1);
- } else {
- data.name = parts[0];
- }
- data.title = parts.length > 1 ? parts.slice(1).join(':') : '';
- }
- data.title = $.trim(data.title).replace(/_/g, ' ');
- return data;
- };
-
- // Add key function
- // keyName = the name of the function called in $.keyboard.keyaction when the button is clicked
- // name = name added to key, or cross-referenced in the display options
- // base.temp[0] = keyset to attach the new button
- // regKey = true when it is not an action key
- base.addKey = function (keyName, action, regKey) {
- var keyClass, tmp, keys,
- data = {},
- txt = base.processKeys(regKey ? keyName : action),
- kbcss = $keyboard.css;
-
- if (!regKey && o.display[txt.name]) {
- keys = base.processKeys(o.display[txt.name]);
- // action contained in "keyName" (e.g. keyName = "accept",
- // action = "a" (use checkmark instead of text))
- keys.action = base.processKeys(keyName).name;
- } else {
- // when regKey is true, keyName is the same as action
- keys = txt;
- keys.action = txt.name;
- }
-
- data.name = base.processName(txt.name);
-
- if (keys.map !== '') {
- $keyboard.builtLayouts[base.layout].mappedKeys[keys.map] = keys.name;
- $keyboard.builtLayouts[base.layout].acceptedKeys.push(keys.name);
- } else if (regKey) {
- $keyboard.builtLayouts[base.layout].acceptedKeys.push(keys.name);
- }
-
- if (regKey) {
- keyClass = data.name === '' ? '' : kbcss.keyPrefix + data.name;
- } else {
- // Action keys will have the 'ui-keyboard-actionkey' class
- keyClass = kbcss.keyAction + ' ' + kbcss.keyPrefix + keys.action;
- }
- // '\u2190'.length = 1 because the unicode is converted, so if more than one character,
- // add the wide class
- keyClass += (keys.name.length > 2 ? ' ' + kbcss.keyWide : '') + ' ' + o.css.buttonDefault;
-
- data.html = '<span class="' + kbcss.keyText + '">' +
- // this prevents HTML from being added to the key
- keys.name.replace(/[\u00A0-\u9999]/gim, function (i) {
- return '&#' + i.charCodeAt(0) + ';';
- }) +
- '</span>';
-
- data.$key = base.keyBtn
- .clone()
- .attr({
- 'data-value': regKey ? keys.name : keys.action, // value
- 'data-name': keys.action,
- 'data-pos': base.temp[1] + ',' + base.temp[2],
- 'data-action': keys.action,
- 'data-html': data.html
- })
- // add 'ui-keyboard-' + data.name for all keys
- // (e.g. 'Bksp' will have 'ui-keyboard-bskp' class)
- // any non-alphanumeric characters will be replaced with
- // their decimal unicode value
- // (e.g. '~' is a regular key, class = 'ui-keyboard-126'
- // (126 is the unicode decimal value - same as ~)
- // See https://en.wikipedia.org/wiki/List_of_Unicode_characters#Control_codes
- .addClass(keyClass)
- .html(data.html)
- .appendTo(base.temp[0]);
-
- if (keys.map) {
- data.$key.attr('data-mapped', keys.map);
- }
- if (keys.title || txt.title) {
- data.$key.attr({
- 'data-title': txt.title || keys.title, // used to allow adding content to title
- 'title': txt.title || keys.title
- });
- }
-
- if (typeof o.buildKey === 'function') {
- data = o.buildKey(base, data);
- // copy html back to attributes
- tmp = data.$key.html();
- data.$key.attr('data-html', tmp);
- }
- return data.$key;
- };
-
- base.customHash = function (layout) {
- /*jshint bitwise:false */
- var i, array, hash, character, len,
- arrays = [],
- merged = [];
- // pass layout to allow for testing
- layout = typeof layout === 'undefined' ? o.customLayout : layout;
- // get all layout arrays
- for (array in layout) {
- if (layout.hasOwnProperty(array)) {
- arrays.push(layout[array]);
- }
- }
- // flatten array
- merged = merged.concat.apply(merged, arrays).join(' ');
- // produce hash name - http://stackoverflow.com/a/7616484/145346
- hash = 0;
- len = merged.length;
- if (len === 0) {
- return hash;
- }
- for (i = 0; i < len; i++) {
- character = merged.charCodeAt(i);
- hash = ((hash << 5) - hash) + character;
- hash = hash & hash; // Convert to 32bit integer
- }
- return hash;
- };
-
- base.buildKeyboard = function (name, internal) {
- // o.display is empty when this is called from the scramble extension (when alwaysOpen:true)
- if ($.isEmptyObject(o.display)) {
- // set keyboard language
- base.updateLanguage();
- }
- var row, $row, currentSet,
- kbcss = $keyboard.css,
- sets = 0,
- layout = $keyboard.builtLayouts[name || base.layout || o.layout] = {
- mappedKeys: {},
- acceptedKeys: []
- },
- acceptedKeys = layout.acceptedKeys = o.restrictInclude ?
- ('' + o.restrictInclude).split(/\s+/) || [] :
- [],
- // using $layout temporarily to hold keyboard popup classnames
- $layout = kbcss.keyboard + ' ' + o.css.popup + ' ' + o.css.container +
- (o.alwaysOpen || o.userClosed ? ' ' + kbcss.alwaysOpen : ''),
-
- container = $('<div />')
- .addClass($layout)
- .attr({
- 'role': 'textbox'
- })
- .hide();
- // verify layout or setup custom keyboard
- if ((internal && o.layout === 'custom') || !$keyboard.layouts.hasOwnProperty(o.layout)) {
- o.layout = 'custom';
- $layout = $keyboard.layouts.custom = o.customLayout || {
- 'normal': ['{cancel}']
- };
- } else {
- $layout = $keyboard.layouts[internal ? o.layout : name || base.layout || o.layout];
- }
-
- // Main keyboard building loop
- $.each($layout, function (set, keySet) {
- // skip layout name & lang settings
- if (set !== '' && !/^(name|lang|rtl)$/i.test(set)) {
- // keep backwards compatibility for change from default to normal naming
- if (set === 'default') {
- set = 'normal';
- }
- sets++;
- $row = $('<div />')
- .attr('name', set) // added for typing extension
- .addClass(kbcss.keySet + ' ' + kbcss.keySet + '-' + set)
- .appendTo(container)
- .toggle(set === 'normal');
-
- for (row = 0; row < keySet.length; row++) {
- // remove extra spaces before spliting (regex probably could be improved)
- currentSet = $.trim(keySet[row]).replace(/\{(\.?)[\s+]?:[\s+]?(\.?)\}/g, '{$1:$2}');
- base.buildRow($row, row, currentSet.split(/\s+/), acceptedKeys);
- $row.find('.' + kbcss.keyButton + ',.' + kbcss.keySpacer)
- .filter(':last')
- .after('<br class="' + kbcss.endRow + '"/>');
- }
- }
- });
-
- if (sets > 1) {
- base.sets = true;
- }
- layout.hasMappedKeys = !($.isEmptyObject(layout.mappedKeys));
- layout.$keyboard = container;
- return container;
- };
-
- base.buildRow = function ($row, row, keys, acceptedKeys) {
- var t, txt, key, isAction, action, margin,
- kbcss = $keyboard.css;
- for (key = 0; key < keys.length; key++) {
- // used by addKey function
- base.temp = [$row, row, key];
- isAction = false;
-
- // ignore empty keys
- if (keys[key].length === 0) {
- continue;
- }
-
- // process here if it's an action key
- if (/^\{\S+\}$/.test(keys[key])) {
- action = keys[key].match(/^\{(\S+)\}$/)[1];
- // add active class if there are double exclamation points in the name
- if (/\!\!/.test(action)) {
- action = action.replace('!!', '');
- isAction = true;
- }
-
- // add empty space
- if (/^sp:((\d+)?([\.|,]\d+)?)(em|px)?$/i.test(action)) {
- // not perfect globalization, but allows you to use {sp:1,1em}, {sp:1.2em} or {sp:15px}
- margin = parseFloat(action
- .replace(/,/, '.')
- .match(/^sp:((\d+)?([\.|,]\d+)?)(em|px)?$/i)[1] || 0
- );
- $('<span class="' + kbcss.keyText + '"></span>')
- // previously {sp:1} would add 1em margin to each side of a 0 width span
- // now Firefox doesn't seem to render 0px dimensions, so now we set the
- // 1em margin x 2 for the width
- .width((action.match(/px/i) ? margin + 'px' : (margin * 2) + 'em'))
- .addClass(kbcss.keySpacer)
- .appendTo($row);
- }
-
- // add empty button
- if (/^empty(:((\d+)?([\.|,]\d+)?)(em|px)?)?$/i.test(action)) {
- margin = (/:/.test(action)) ? parseFloat(action
- .replace(/,/, '.')
- .match(/^empty:((\d+)?([\.|,]\d+)?)(em|px)?$/i)[1] || 0
- ) : '';
- base
- .addKey('', ' ', true)
- .addClass(o.css.buttonDisabled + ' ' + o.css.buttonEmpty)
- .attr('aria-disabled', true)
- .width(margin ? (action.match('px') ? margin + 'px' : (margin * 2) + 'em') : '');
- continue;
- }
-
- // meta keys
- if (/^meta[\w-]+\:?(\w+)?/i.test(action)) {
- base
- .addKey(action.split(':')[0], action)
- .addClass(kbcss.keyHasActive);
- continue;
- }
-
- // switch needed for action keys with multiple names/shortcuts or
- // default will catch all others
- txt = action.split(':');
- switch (txt[0].toLowerCase()) {
-
- case 'a':
- case 'accept':
- base
- .addKey('accept', action)
- .addClass(o.css.buttonAction + ' ' + kbcss.keyAction);
- break;
-
- case 'alt':
- case 'altgr':
- base
- .addKey('alt', action)
- .addClass(kbcss.keyHasActive);
- break;
-
- case 'b':
- case 'bksp':
- base.addKey('bksp', action);
- break;
-
- case 'c':
- case 'cancel':
- base
- .addKey('cancel', action)
- .addClass(o.css.buttonAction + ' ' + kbcss.keyAction);
- break;
-
- // toggle combo/diacritic key
- /*jshint -W083 */
- case 'combo':
- base
- .addKey('combo', action)
- .addClass(kbcss.keyHasActive)
- .attr('title', function (indx, title) {
- // add combo key state to title
- return title + ' ' + o.display[o.useCombos ? 'active' : 'disabled'];
- })
- .toggleClass(o.css.buttonActive, o.useCombos);
- break;
-
- // Decimal - unique decimal point (num pad layout)
- case 'dec':
- acceptedKeys.push((base.decimal) ? '.' : ',');
- base.addKey('dec', action);
- break;
-
- case 'e':
- case 'enter':
- base
- .addKey('enter', action)
- .addClass(o.css.buttonAction + ' ' + kbcss.keyAction);
- break;
-
- case 'lock':
- base
- .addKey('lock', action)
- .addClass(kbcss.keyHasActive);
- break;
-
- case 's':
- case 'shift':
- base
- .addKey('shift', action)
- .addClass(kbcss.keyHasActive);
- break;
-
- // Change sign (for num pad layout)
- case 'sign':
- acceptedKeys.push('-');
- base.addKey('sign', action);
- break;
-
- case 'space':
- acceptedKeys.push(' ');
- base.addKey('space', action);
- break;
-
- case 't':
- case 'tab':
- base.addKey('tab', action);
- break;
-
- default:
- if ($keyboard.keyaction.hasOwnProperty(txt[0])) {
- base
- .addKey(txt[0], action)
- .toggleClass(o.css.buttonAction + ' ' + kbcss.keyAction, isAction);
- }
-
- }
-
- } else {
-
- // regular button (not an action key)
- t = keys[key];
- base.addKey(t, t, true);
- }
- }
- };
-
- base.removeBindings = function (namespace) {
- $(document).unbind(namespace);
- if (base.el.ownerDocument !== document) {
- $(base.el.ownerDocument).unbind(namespace);
- }
- $(window).unbind(namespace);
- base.$el.unbind(namespace);
- };
-
- base.removeKeyboard = function () {
- base.$allKeys = [];
- base.$decBtn = [];
- // base.$preview === base.$el when o.usePreview is false - fixes #442
- if (o.usePreview) {
- base.$preview.removeData('keyboard');
- }
- base.preview = null;
- base.$preview = null;
- base.$previewCopy = null;
- base.$keyboard.removeData('keyboard');
- base.$keyboard.remove();
- base.$keyboard = [];
- base.isOpen = false;
- base.isCurrent(false);
- };
-
- base.destroy = function (callback) {
- var index,
- kbcss = $keyboard.css,
- len = base.extensionNamespace.length,
- tmp = [
- kbcss.input,
- kbcss.locked,
- kbcss.placeholder,
- kbcss.noKeyboard,
- kbcss.alwaysOpen,
- o.css.input,
- kbcss.isCurrent
- ].join(' ');
- clearTimeout(base.timer);
- clearTimeout(base.timer2);
- if (base.$keyboard.length) {
- base.removeKeyboard();
- }
- base.removeBindings(base.namespace);
- base.removeBindings(base.namespace + 'callbacks');
- for (index = 0; index < len; index++) {
- base.removeBindings(base.extensionNamespace[index]);
- }
- base.el.active = false;
-
- base.$el
- .removeClass(tmp)
- .removeAttr('aria-haspopup')
- .removeAttr('role')
- .removeData('keyboard');
- base = null;
-
- if (typeof callback === 'function') {
- callback();
- }
- };
-
- // Run initializer
- base.init();
-
- }; // end $.keyboard definition
-
- // event.which & ASCII values
- $keyboard.keyCodes = {
- backSpace: 8,
- tab: 9,
- enter: 13,
- capsLock: 20,
- escape: 27,
- space: 32,
- pageUp: 33,
- pageDown: 34,
- end: 35,
- home: 36,
- left: 37,
- up: 38,
- right: 39,
- down: 40,
- insert: 45,
- delete: 46,
- // event.which keyCodes (uppercase letters)
- A: 65,
- Z: 90,
- V: 86,
- C: 67,
- X: 88,
-
- // ASCII lowercase a & z
- a: 97,
- z: 122
- };
-
- $keyboard.css = {
- // keyboard id suffix
- idSuffix: '_keyboard',
- // class name to set initial focus
- initialFocus: 'keyboard-init-focus',
- // element class names
- input: 'ui-keyboard-input',
- inputClone: 'ui-keyboard-preview-clone',
- wrapper: 'ui-keyboard-preview-wrapper',
- preview: 'ui-keyboard-preview',
- keyboard: 'ui-keyboard',
- keySet: 'ui-keyboard-keyset',
- keyButton: 'ui-keyboard-button',
- keyWide: 'ui-keyboard-widekey',
- keyPrefix: 'ui-keyboard-',
- keyText: 'ui-keyboard-text', // span with button text
- keyHasActive: 'ui-keyboard-hasactivestate',
- keyAction: 'ui-keyboard-actionkey',
- keySpacer: 'ui-keyboard-spacer', // empty keys
- keyToggle: 'ui-keyboard-toggle',
- keyDisabled: 'ui-keyboard-disabled',
- // states
- locked: 'ui-keyboard-lockedinput',
- alwaysOpen: 'ui-keyboard-always-open',
- noKeyboard: 'ui-keyboard-nokeyboard',
- placeholder: 'ui-keyboard-placeholder',
- hasFocus: 'ui-keyboard-has-focus',
- isCurrent: 'ui-keyboard-input-current',
- // validation & autoaccept
- inputValid: 'ui-keyboard-valid-input',
- inputInvalid: 'ui-keyboard-invalid-input',
- inputAutoAccepted: 'ui-keyboard-autoaccepted',
- endRow: 'ui-keyboard-button-endrow' // class added to <br>
- };
-
- $keyboard.events = {
- // keyboard events
- kbChange: 'keyboardChange',
- kbBeforeClose: 'beforeClose',
- kbBeforeVisible: 'beforeVisible',
- kbVisible: 'visible',
- kbInit: 'initialized',
- kbInactive: 'inactive',
- kbHidden: 'hidden',
- kbRepeater: 'repeater',
- kbKeysetChange: 'keysetChange',
- // input events
- inputAccepted: 'accepted',
- inputCanceled: 'canceled',
- inputChange: 'change',
- inputRestricted: 'restricted'
- };
-
- // Action key function list
- $keyboard.keyaction = {
- accept: function (base) {
- base.close(true); // same as base.accept();
- return false; // return false prevents further processing
- },
- alt: function (base) {
- base.altActive = !base.altActive;
- base.showSet();
- },
- bksp: function (base) {
- // the script looks for the '\b' string and initiates a backspace
- base.insertText('\b');
- },
- cancel: function (base) {
- base.close();
- return false; // return false prevents further processing
- },
- clear: function (base) {
- base.$preview.val('');
- if (base.$decBtn.length) {
- base.checkDecimal();
- }
- },
- combo: function (base) {
- var o = base.options,
- c = !o.useCombos,
- $combo = base.$keyboard.find('.' + $keyboard.css.keyPrefix + 'combo');
- o.useCombos = c;
- $combo
- .toggleClass(o.css.buttonActive, c)
- // update combo key state
- .attr('title', $combo.attr('data-title') + ' (' + o.display[c ? 'active' : 'disabled'] + ')');
- if (c) {
- base.checkCombos();
- }
- return false;
- },
- dec: function (base) {
- base.insertText((base.decimal) ? '.' : ',');
- },
- del: function (base) {
- // the script looks for the '{d}' string and initiates a delete
- base.insertText('{d}');
- },
- // resets to base keyset (deprecated because "default" is a reserved word)
- 'default': function (base) {
- base.shiftActive = base.altActive = base.metaActive = false;
- base.showSet();
- },
- // el is the pressed key (button) object; it is null when the real keyboard enter is pressed
- enter: function (base, el, e) {
- var tag = base.el.nodeName,
- o = base.options;
- // shift+enter in textareas
- if (e.shiftKey || base.shiftActive) {
- // textarea & input - enterMod + shift + enter = accept, then go to prev;
- // base.switchInput(goToNext, autoAccept)
- // textarea & input - shift + enter = accept (no navigation)
- return (o.enterNavigation) ? base.switchInput(!e[o.enterMod], true) : base.close(true);
- }
- // input only - enterMod + enter to navigate
- if (o.enterNavigation && (tag !== 'TEXTAREA' || e[o.enterMod])) {
- return base.switchInput(!e[o.enterMod], o.autoAccept ? 'true' : false);
- }
- // pressing virtual enter button inside of a textarea - add a carriage return
- // e.target is span when clicking on text and button at other times
- if (tag === 'TEXTAREA' && $(e.target).closest('button').length) {
- // IE8 fix (space + \n) - fixes #71 thanks Blookie!
- base.insertText(($keyboard.msie ? ' ' : '') + '\n');
- }
- },
- // caps lock key
- lock: function (base) {
- base.last.keyset[0] = base.shiftActive = base.capsLock = !base.capsLock;
- base.showSet();
- },
- left: function (base) {
- var p = $keyboard.caret(base.$preview);
- if (p.start - 1 >= 0) {
- // move both start and end of caret (prevents text selection) & save caret position
- base.last.start = base.last.end = p.start - 1;
- $keyboard.caret(base.$preview, base.last);
- base.setScroll();
- }
- },
- meta: function (base, el) {
- var $el = $(el);
- base.metaActive = !$el.hasClass(base.options.css.buttonActive);
- base.showSet($el.attr('data-name'));
- },
- next: function (base) {
- base.switchInput(true, base.options.autoAccept);
- return false;
- },
- // same as 'default' - resets to base keyset
- normal: function (base) {
- base.shiftActive = base.altActive = base.metaActive = false;
- base.showSet();
- },
- prev: function (base) {
- base.switchInput(false, base.options.autoAccept);
- return false;
- },
- right: function (base) {
- var p = $keyboard.caret(base.$preview);
- if (p.start + 1 <= base.$preview.val().length) {
- // move both start and end of caret (prevents text selection) && save caret position
- base.last.start = base.last.end = p.start + 1;
- $keyboard.caret(base.$preview, base.last);
- base.setScroll();
- }
- },
- shift: function (base) {
- base.last.keyset[0] = base.shiftActive = !base.shiftActive;
- base.showSet();
- },
- sign: function (base) {
- if (/^\-?\d*\.?\d*$/.test(base.$preview.val())) {
- base.$preview.val((base.$preview.val() * -1));
- }
- },
- space: function (base) {
- base.insertText(' ');
- },
- tab: function (base) {
- var tag = base.el.nodeName,
- o = base.options;
- if (tag === 'INPUT') {
- if (o.tabNavigation) {
- return base.switchInput(!base.shiftActive, true);
- } else {
- // ignore tab key in input
- return false;
- }
- }
- base.insertText('\t');
- },
- toggle: function (base) {
- base.enabled = !base.enabled;
- base.toggle();
- },
- // *** Special action keys: NBSP & zero-width characters ***
- // Non-breaking space
- NBSP: '\u00a0',
- // zero width space
- ZWSP: '\u200b',
- // Zero width non-joiner
- ZWNJ: '\u200c',
- // Zero width joiner
- ZWJ: '\u200d',
- // Left-to-right Mark
- LRM: '\u200e',
- // Right-to-left Mark
- RLM: '\u200f'
- };
-
- // Default keyboard layouts
- $keyboard.builtLayouts = {};
- $keyboard.layouts = {
- 'alpha': {
- 'normal': [
- '` 1 2 3 4 5 6 7 8 9 0 - = {bksp}',
- '{tab} a b c d e f g h i j [ ] \\',
- 'k l m n o p q r s ; \' {enter}',
- '{shift} t u v w x y z , . / {shift}',
- '{accept} {space} {cancel}'
- ],
- 'shift': [
- '~ ! @ # $ % ^ & * ( ) _ + {bksp}',
- '{tab} A B C D E F G H I J { } |',
- 'K L M N O P Q R S : " {enter}',
- '{shift} T U V W X Y Z < > ? {shift}',
- '{accept} {space} {cancel}'
- ]
- },
- 'qwerty': {
- 'normal': [
- '` 1 2 3 4 5 6 7 8 9 0 - = {bksp}',
- '{tab} q w e r t y u i o p [ ] \\',
- 'a s d f g h j k l ; \' {enter}',
- '{shift} z x c v b n m , . / {shift}',
- '{accept} {space} {cancel}'
- ],
- 'shift': [
- '~ ! @ # $ % ^ & * ( ) _ + {bksp}',
- '{tab} Q W E R T Y U I O P { } |',
- 'A S D F G H J K L : " {enter}',
- '{shift} Z X C V B N M < > ? {shift}',
- '{accept} {space} {cancel}'
- ]
- },
- 'international': {
- 'normal': [
- '` 1 2 3 4 5 6 7 8 9 0 - = {bksp}',
- '{tab} q w e r t y u i o p [ ] \\',
- 'a s d f g h j k l ; \' {enter}',
- '{shift} z x c v b n m , . / {shift}',
- '{accept} {alt} {space} {alt} {cancel}'
- ],
- 'shift': [
- '~ ! @ # $ % ^ & * ( ) _ + {bksp}',
- '{tab} Q W E R T Y U I O P { } |',
- 'A S D F G H J K L : " {enter}',
- '{shift} Z X C V B N M < > ? {shift}',
- '{accept} {alt} {space} {alt} {cancel}'
- ],
- 'alt': [
- '~ \u00a1 \u00b2 \u00b3 \u00a4 \u20ac \u00bc \u00bd \u00be \u2018 \u2019 \u00a5 \u00d7 {bksp}',
- '{tab} \u00e4 \u00e5 \u00e9 \u00ae \u00fe \u00fc \u00fa \u00ed \u00f3 \u00f6 \u00ab \u00bb \u00ac',
- '\u00e1 \u00df \u00f0 f g h j k \u00f8 \u00b6 \u00b4 {enter}',
- '{shift} \u00e6 x \u00a9 v b \u00f1 \u00b5 \u00e7 > \u00bf {shift}',
- '{accept} {alt} {space} {alt} {cancel}'
- ],
- 'alt-shift': [
- '~ \u00b9 \u00b2 \u00b3 \u00a3 \u20ac \u00bc \u00bd \u00be \u2018 \u2019 \u00a5 \u00f7 {bksp}',
- '{tab} \u00c4 \u00c5 \u00c9 \u00ae \u00de \u00dc \u00da \u00cd \u00d3 \u00d6 \u00ab \u00bb \u00a6',
- '\u00c4 \u00a7 \u00d0 F G H J K \u00d8 \u00b0 \u00a8 {enter}',
- '{shift} \u00c6 X \u00a2 V B \u00d1 \u00b5 \u00c7 . \u00bf {shift}',
- '{accept} {alt} {space} {alt} {cancel}'
- ]
- },
- 'colemak': {
- 'normal': [
- '` 1 2 3 4 5 6 7 8 9 0 - = {bksp}',
- '{tab} q w f p g j l u y ; [ ] \\',
- '{bksp} a r s t d h n e i o \' {enter}',
- '{shift} z x c v b k m , . / {shift}',
- '{accept} {space} {cancel}'
- ],
- 'shift': [
- '~ ! @ # $ % ^ & * ( ) _ + {bksp}',
- '{tab} Q W F P G J L U Y : { } |',
- '{bksp} A R S T D H N E I O " {enter}',
- '{shift} Z X C V B K M < > ? {shift}',
- '{accept} {space} {cancel}'
- ]
- },
- 'dvorak': {
- 'normal': [
- '` 1 2 3 4 5 6 7 8 9 0 [ ] {bksp}',
- '{tab} \' , . p y f g c r l / = \\',
- 'a o e u i d h t n s - {enter}',
- '{shift} ; q j k x b m w v z {shift}',
- '{accept} {space} {cancel}'
- ],
- 'shift': [
- '~ ! @ # $ % ^ & * ( ) { } {bksp}',
- '{tab} " < > P Y F G C R L ? + |',
- 'A O E U I D H T N S _ {enter}',
- '{shift} : Q J K X B M W V Z {shift}',
- '{accept} {space} {cancel}'
- ]
- },
- 'num': {
- 'normal': [
- '= ( ) {b}',
- '{clear} / * -',
- '7 8 9 +',
- '4 5 6 {sign}',
- '1 2 3 %',
- '0 {dec} {a} {c}'
- ]
- }
- };
-
- $keyboard.language = {
- en: {
- display: {
- // check mark - same action as accept
- 'a': '\u2714:Accept (Shift+Enter)',
- 'accept': 'Accept:Accept (Shift+Enter)',
- // other alternatives \u2311
- 'alt': 'Alt:\u2325 AltGr',
- // Left arrow (same as ←)
- 'b': '\u232b:Backspace',
- 'bksp': 'Bksp:Backspace',
- // big X, close - same action as cancel
- 'c': '\u2716:Cancel (Esc)',
- 'cancel': 'Cancel:Cancel (Esc)',
- // clear num pad
- 'clear': 'C:Clear',
- 'combo': '\u00f6:Toggle Combo Keys',
- // decimal point for num pad (optional), change '.' to ',' for European format
- 'dec': '.:Decimal',
- // down, then left arrow - enter symbol
- 'e': '\u23ce:Enter',
- 'empty': '\u00a0',
- 'enter': 'Enter:Enter \u23ce',
- // left arrow (move caret)
- 'left': '\u2190',
- // caps lock
- 'lock': 'Lock:\u21ea Caps Lock',
- 'next': 'Next \u21e8',
- 'prev': '\u21e6 Prev',
- // right arrow (move caret)
- 'right': '\u2192',
- // thick hollow up arrow
- 's': '\u21e7:Shift',
- 'shift': 'Shift:Shift',
- // +/- sign for num pad
- 'sign': '\u00b1:Change Sign',
- 'space': '\u00a0:Space',
- // right arrow to bar (used since this virtual keyboard works with one directional tabs)
- 't': '\u21e5:Tab',
- // \u21b9 is the true tab symbol (left & right arrows)
- 'tab': '\u21e5 Tab:Tab',
- // replaced by an image
- 'toggle': ' ',
-
- // added to titles of keys
- // accept key status when acceptValid:true
- 'valid': 'valid',
- 'invalid': 'invalid',
- // combo key states
- 'active': 'active',
- 'disabled': 'disabled'
- },
-
- // Message added to the key title while hovering, if the mousewheel plugin exists
- wheelMessage: 'Use mousewheel to see other keys',
-
- comboRegex: /([`\'~\^\"ao])([a-z])/mig,
- combos: {
- // grave
- '`': { a: '\u00e0', A: '\u00c0', e: '\u00e8', E: '\u00c8', i: '\u00ec', I: '\u00cc', o: '\u00f2',
- O: '\u00d2', u: '\u00f9', U: '\u00d9', y: '\u1ef3', Y: '\u1ef2' },
- // acute & cedilla
- "'": { a: '\u00e1', A: '\u00c1', e: '\u00e9', E: '\u00c9', i: '\u00ed', I: '\u00cd', o: '\u00f3',
- O: '\u00d3', u: '\u00fa', U: '\u00da', y: '\u00fd', Y: '\u00dd' },
- // umlaut/trema
- '"': { a: '\u00e4', A: '\u00c4', e: '\u00eb', E: '\u00cb', i: '\u00ef', I: '\u00cf', o: '\u00f6',
- O: '\u00d6', u: '\u00fc', U: '\u00dc', y: '\u00ff', Y: '\u0178' },
- // circumflex
- '^': { a: '\u00e2', A: '\u00c2', e: '\u00ea', E: '\u00ca', i: '\u00ee', I: '\u00ce', o: '\u00f4',
- O: '\u00d4', u: '\u00fb', U: '\u00db', y: '\u0177', Y: '\u0176' },
- // tilde
- '~': { a: '\u00e3', A: '\u00c3', e: '\u1ebd', E: '\u1ebc', i: '\u0129', I: '\u0128', o: '\u00f5',
- O: '\u00d5', u: '\u0169', U: '\u0168', y: '\u1ef9', Y: '\u1ef8', n: '\u00f1', N: '\u00d1' }
- }
- }
- };
-
- $keyboard.defaultOptions = {
- // set this to ISO 639-1 language code to override language set by the layout
- // http://en.wikipedia.org/wiki/List_of_ISO_639-1_codes
- // language defaults to 'en' if not found
- language: null,
- rtl: false,
-
- // *** choose layout & positioning ***
- layout: 'qwerty',
- customLayout: null,
-
- position: {
- // optional - null (attach to input/textarea) or a jQuery object (attach elsewhere)
- of: null,
- my: 'center top',
- at: 'center top',
- // used when 'usePreview' is false (centers the keyboard at the bottom of the input/textarea)
- at2: 'center bottom'
- },
-
- // allow jQuery position utility to reposition the keyboard on window resize
- reposition: true,
-
- // preview added above keyboard if true, original input/textarea used if false
- usePreview: true,
-
- // if true, the keyboard will always be visible
- alwaysOpen: false,
-
- // give the preview initial focus when the keyboard becomes visible
- initialFocus: true,
-
- // avoid changing the focus (hardware keyboard probably won't work)
- noFocus: false,
-
- // if true, keyboard will remain open even if the input loses focus, but closes on escape
- // or when another keyboard opens.
- stayOpen: false,
-
- // Prevents the keyboard from closing when the user clicks or presses outside the keyboard
- // the `autoAccept` option must also be set to true when this option is true or changes are lost
- userClosed: false,
-
- // if true, keyboard will not close if you press escape.
- ignoreEsc: false,
-
- // if true, keyboard will only closed on click event instead of mousedown and touchstart
- closeByClickEvent: false,
-
- css: {
- // input & preview
- input: 'ui-widget-content ui-corner-all',
- // keyboard container
- container: 'ui-widget-content ui-widget ui-corner-all ui-helper-clearfix',
- // keyboard container extra class (same as container, but separate)
- popup: '',
- // default state
- buttonDefault: 'ui-state-default ui-corner-all',
- // hovered button
- buttonHover: 'ui-state-hover',
- // Action keys (e.g. Accept, Cancel, Tab, etc); this replaces 'actionClass' option
- buttonAction: 'ui-state-active',
- // Active keys (e.g. shift down, meta keyset active, combo keys active)
- buttonActive: 'ui-state-active',
- // used when disabling the decimal button {dec} when a decimal exists in the input area
- buttonDisabled: 'ui-state-disabled',
- buttonEmpty: 'ui-keyboard-empty'
- },
-
- // *** Useability ***
- // Auto-accept content when clicking outside the keyboard (popup will close)
- autoAccept: false,
- // Auto-accept content even if the user presses escape (only works if `autoAccept` is `true`)
- autoAcceptOnEsc: false,
-
- // Prevents direct input in the preview window when true
- lockInput: false,
-
- // Prevent keys not in the displayed keyboard from being typed in
- restrictInput: false,
- // Additional allowed characters while restrictInput is true
- restrictInclude: '', // e.g. 'a b foo \ud83d\ude38'
-
- // Check input against validate function, if valid the accept button gets a class name of
- // 'ui-keyboard-valid-input'. If invalid, the accept button gets a class name of
- // 'ui-keyboard-invalid-input'
- acceptValid: false,
- // Auto-accept when input is valid; requires `acceptValid` set `true` & validate callback
- autoAcceptOnValid: false,
-
- // if acceptValid is true & the validate function returns a false, this option will cancel
- // a keyboard close only after the accept button is pressed
- cancelClose: true,
-
- // tab to go to next, shift-tab for previous (default behavior)
- tabNavigation: false,
-
- // enter for next input; shift+enter accepts content & goes to next
- // shift + 'enterMod' + enter ('enterMod' is the alt as set below) will accept content and go
- // to previous in a textarea
- enterNavigation: false,
- // mod key options: 'ctrlKey', 'shiftKey', 'altKey', 'metaKey' (MAC only)
- enterMod: 'altKey', // alt-enter to go to previous; shift-alt-enter to accept & go to previous
-
- // if true, the next button will stop on the last keyboard input/textarea; prev button stops at first
- // if false, the next button will wrap to target the first input/textarea; prev will go to the last
- stopAtEnd: true,
-
- // Set this to append the keyboard after the input/textarea (appended to the input/textarea parent).
- // This option works best when the input container doesn't have a set width & when the 'tabNavigation'
- // option is true.
- appendLocally: false,
- // When appendLocally is false, the keyboard will be appended to this object
- appendTo: 'body',
-
- // If false, the shift key will remain active until the next key is (mouse) clicked on; if true it will
- // stay active until pressed again
- stickyShift: true,
-
- // Prevent pasting content into the area
- preventPaste: false,
-
- // caret placed at the end of any text when keyboard becomes visible
- caretToEnd: false,
-
- // caret stays this many pixels from the edge of the input while scrolling left/right;
- // use "c" or "center" to center the caret while scrolling
- scrollAdjustment: 10,
-
- // Set the max number of characters allowed in the input, setting it to false disables this option
- maxLength: false,
- // allow inserting characters @ caret when maxLength is set
- maxInsert: true,
-
- // Mouse repeat delay - when clicking/touching a virtual keyboard key, after this delay the key will
- // start repeating
- repeatDelay: 500,
-
- // Mouse repeat rate - after the repeatDelay, this is the rate (characters per second) at which the
- // key is repeated Added to simulate holding down a real keyboard key and having it repeat. I haven't
- // calculated the upper limit of this rate, but it is limited to how fast the javascript can process
- // the keys. And for me, in Firefox, it's around 20.
- repeatRate: 20,
-
- // resets the keyboard to the default keyset when visible
- resetDefault: true,
-
- // Event (namespaced) on the input to reveal the keyboard. To disable it, just set it to ''.
- openOn: 'focus',
-
- // Event (namepaced) for when the character is added to the input (clicking on the keyboard)
- keyBinding: 'mousedown touchstart',
-
- // enable/disable mousewheel functionality
- // enabling still depends on the mousewheel plugin
- useWheel: true,
-
- // combos (emulate dead keys : http://en.wikipedia.org/wiki/Keyboard_layout#US-International)
- // if user inputs `a the script converts it to à , ^o becomes ô, etc.
- useCombos: true,
-
- /*
- // *** Methods ***
- // commenting these out to reduce the size of the minified version
- // Callbacks - attach a function to any of these callbacks as desired
- initialized : function(e, keyboard, el) {},
- beforeVisible : function(e, keyboard, el) {},
- visible : function(e, keyboard, el) {},
- beforeInsert : function(e, keyboard, el, textToAdd) { return textToAdd; },
- change : function(e, keyboard, el) {},
- beforeClose : function(e, keyboard, el, accepted) {},
- accepted : function(e, keyboard, el) {},
- canceled : function(e, keyboard, el) {},
- restricted : function(e, keyboard, el) {},
- hidden : function(e, keyboard, el) {},
- // called instead of base.switchInput
- switchInput : function(keyboard, goToNext, isAccepted) {},
- // used if you want to create a custom layout or modify the built-in keyboard
- create : function(keyboard) { return keyboard.buildKeyboard(); },
-
- // build key callback
- buildKey : function( keyboard, data ) {
- / *
- data = {
- // READ ONLY
- isAction : [boolean] true if key is an action key
- name : [string] key class name suffix ( prefix = 'ui-keyboard-' );
- may include decimal ascii value of character
- value : [string] text inserted (non-action keys)
- title : [string] title attribute of key
- action : [string] keyaction name
- html : [string] HTML of the key; it includes a <span> wrapping the text
- // use to modify key HTML
- $key : [object] jQuery selector of key which is already appended to keyboard
- }
- * /
- return data;
- },
- */
-
- // this callback is called, if the acceptValid is true, and just before the 'beforeClose' to check
- // the value if the value is valid, return true and the keyboard will continue as it should
- // (close if not always open, etc). If the value is not valid, return false and clear the keyboard
- // value ( like this "keyboard.$preview.val('');" ), if desired. The validate function is called after
- // each input, the 'isClosing' value will be false; when the accept button is clicked,
- // 'isClosing' is true
- validate: function (keyboard, value, isClosing) {
- return true;
- }
-
- };
-
- // for checking combos
- $keyboard.comboRegex = /([`\'~\^\"ao])([a-z])/mig;
-
- // store current keyboard element; used by base.isCurrent()
- $keyboard.currentKeyboard = '';
-
- $('<!--[if lte IE 8]><script>jQuery("body").addClass("oldie");</script><![endif]--><!--[if IE]>' +
- '<script>jQuery("body").addClass("ie");</script><![endif]-->')
- .appendTo('body')
- .remove();
- $keyboard.msie = $('body').hasClass('oldie'); // Old IE flag, used for caret positioning
- $keyboard.allie = $('body').hasClass('ie');
-
- $keyboard.watermark = (typeof (document.createElement('input').placeholder) !== 'undefined');
-
- $keyboard.checkCaretSupport = function () {
- if (typeof $keyboard.checkCaret !== 'boolean') {
- // Check if caret position is saved when input is hidden or loses focus
- // (*cough* all versions of IE and I think Opera has/had an issue as well
- var $temp = $('<div style="height:0px;width:0px;overflow:hidden;position:fixed;top:0;left:-100px;">' +
- '<input type="text" value="testing"/></div>').prependTo('body'); // stop page scrolling
- $keyboard.caret($temp.find('input'), 3, 3);
- // Also save caret position of the input if it is locked
- $keyboard.checkCaret = $keyboard.caret($temp.find('input').hide().show()).start !== 3;
- $temp.remove();
- }
- return $keyboard.checkCaret;
- };
-
- $keyboard.caret = function ($el, param1, param2) {
- if (!$el || !$el.length || $el.is(':hidden') || $el.css('visibility') === 'hidden') {
- return {};
- }
- var start, end, txt, pos,
- kb = $el.data('keyboard'),
- noFocus = kb && kb.options.noFocus;
- if (!noFocus) {
- $el.focus();
- }
- // set caret position
- if (typeof param1 !== 'undefined') {
- // allow setting caret using ( $el, { start: x, end: y } )
- if (typeof param1 === 'object' && 'start' in param1 && 'end' in param1) {
- start = param1.start;
- end = param1.end;
- } else if (typeof param2 === 'undefined') {
- param2 = param1; // set caret using start position
- }
- // set caret using ( $el, start, end );
- if (typeof param1 === 'number' && typeof param2 === 'number') {
- start = param1;
- end = param2;
- } else if (param1 === 'start') {
- start = end = 0;
- } else if (typeof param1 === 'string') {
- // unknown string setting, move caret to end
- start = end = $el.val().length;
- }
-
- // *** SET CARET POSITION ***
- // modify the line below to adapt to other caret plugins
- return $el.caret(start, end, noFocus);
- }
- // *** GET CARET POSITION ***
- // modify the line below to adapt to other caret plugins
- pos = $el.caret();
- start = pos.start;
- end = pos.end;
-
- // *** utilities ***
- txt = ($el[0].value || $el.text() || '');
- return {
- start: start,
- end: end,
- // return selected text
- text: txt.substring(start, end),
- // return a replace selected string method
- replaceStr: function (str) {
- return txt.substring(0, start) + str + txt.substring(end, txt.length);
- }
- };
- };
-
- $.fn.keyboard = function (options) {
- return this.each(function () {
- if (!$(this).data('keyboard')) {
- /*jshint nonew:false */
- (new $.keyboard(this, options));
- }
- });
- };
-
- $.fn.getkeyboard = function () {
- return this.data('keyboard');
- };
-
- /* Copyright (c) 2010 C. F., Wong (<a href="http://cloudgen.w0ng.hk">Cloudgen Examplet Store</a>)
- * Licensed under the MIT License:
- * http://www.opensource.org/licenses/mit-license.php
- * Highly modified from the original
- */
-
- $.fn.caret = function (start, end, noFocus) {
- if (typeof this[0] === 'undefined' || this.is(':hidden') || this.css('visibility') === 'hidden') {
- return this;
- }
- var selRange, range, stored_range, txt, val,
- selection = document.selection,
- $el = this,
- el = $el[0],
- sTop = el.scrollTop,
- ss = false,
- supportCaret = true;
- try {
- ss = 'selectionStart' in el;
- } catch (err) {
- supportCaret = false;
- }
- if (supportCaret && typeof start !== 'undefined') {
- if (!/(email|number)/i.test(el.type)) {
- if (ss) {
- el.selectionStart = start;
- el.selectionEnd = end;
- } else {
- selRange = el.createTextRange();
- selRange.collapse(true);
- selRange.moveStart('character', start);
- selRange.moveEnd('character', end - start);
- selRange.select();
- }
- }
- // must be visible or IE8 crashes; IE9 in compatibility mode works fine - issue #56
- if (!noFocus && ($el.is(':visible') || $el.css('visibility') !== 'hidden')) {
- el.focus();
- }
- el.scrollTop = sTop;
- return this;
- } else {
- if (/(email|number)/i.test(el.type)) {
- // fix suggested by raduanastase (https://github.com/Mottie/Keyboard/issues/105#issuecomment-40456535)
- start = end = $el.val().length;
- } else if (ss) {
- start = el.selectionStart;
- end = el.selectionEnd;
- } else if (selection) {
- if (el.nodeName === 'TEXTAREA') {
- val = $el.val();
- range = selection.createRange();
- stored_range = range.duplicate();
- stored_range.moveToElementText(el);
- stored_range.setEndPoint('EndToEnd', range);
- // thanks to the awesome comments in the rangy plugin
- start = stored_range.text.replace(/\r/g, '\n').length;
- end = start + range.text.replace(/\r/g, '\n').length;
- } else {
- val = $el.val().replace(/\r/g, '\n');
- range = selection.createRange().duplicate();
- range.moveEnd('character', val.length);
- start = (range.text === '' ? val.length : val.lastIndexOf(range.text));
- range = selection.createRange().duplicate();
- range.moveStart('character', -val.length);
- end = range.text.length;
- }
- } else {
- // caret positioning not supported
- start = end = (el.value || '').length;
- }
- txt = (el.value || '');
- return {
- start: start,
- end: end,
- text: txt.substring(start, end),
- replace: function (str) {
- return txt.substring(0, start) + str + txt.substring(end, txt.length);
- }
- };
- }
- };
-
- return $keyboard;
-
-}));
-</script>
- <script>jQuery(function($) {
- $('.virtual-keyboard').keyboard({
-
- autoAccept : true,
-
- accepted : function(event, keyboard, el) {
- $('.virtual-keyboard').trigger('input');
- },
-
- display: {
- 'bksp' : '\u2190',
- },
-
- layout: 'custom',
-
- customLayout: {
-
- 'normal': [
- '` 1 2 3 4 5 6 7 8 9 0 - = {bksp}',
- 'q w e r t y u i o p [ ] \\',
- 'a s d f g h j k l ; \'',
- '{s} z x c v b n m , . / {s}',
- '{space}'
- ],
- 'shift': [
- '~ ! @ # $ % ^ & * ( ) _ + {bksp}',
- 'Q W E R T Y U I O P { } |',
- 'A S D F G H J K L : "',
- '{s} Z X C V B N M < > ? {s}',
- '{space}'
- ]
-
- }
-
- });
-});
</script>
<script>(function() {
var seed = null;
var bip32RootKey = null;
var bip32ExtendedKey = null;
- var network = bitcoin.networks.bitcoin;
+ var network = bitcoinjs.bitcoin.networks.bitcoin;
var addressRowTemplate = $("#address-row-template");
var showIndex = true;
var showPubKey = true;
var showPrivKey = true;
var showQr = false;
+ var litecoinUseLtub = false;
var entropyChangeTimeoutEvent = null;
var phraseChangeTimeoutEvent = null;
DOM.entropy = $(".entropy");
DOM.entropyFiltered = DOM.entropyContainer.find(".filtered");
DOM.entropyType = DOM.entropyContainer.find(".type");
- DOM.entropyStrength = DOM.entropyContainer.find(".strength");
+ DOM.entropyCrackTime = DOM.entropyContainer.find(".crack-time");
DOM.entropyEventCount = DOM.entropyContainer.find(".event-count");
DOM.entropyBits = DOM.entropyContainer.find(".bits");
DOM.entropyBitsPerEvent = DOM.entropyContainer.find(".bits-per-event");
DOM.entropyWordCount = DOM.entropyContainer.find(".word-count");
DOM.entropyBinary = DOM.entropyContainer.find(".binary");
DOM.entropyMnemonicLength = DOM.entropyContainer.find(".mnemonic-length");
+ DOM.entropyFilterWarning = DOM.entropyContainer.find(".filter-warning");
DOM.phrase = $(".phrase");
DOM.passphrase = $(".passphrase");
DOM.generateContainer = $(".generate-container");
DOM.generate = $(".generate");
DOM.seed = $(".seed");
DOM.rootKey = $(".root-key");
+ DOM.litecoinLtubContainer = $(".litecoin-ltub-container");
+ DOM.litecoinUseLtub = $(".litecoin-use-ltub");
DOM.extendedPrivKey = $(".extended-priv-key");
DOM.extendedPubKey = $(".extended-pub-key");
DOM.bip32tab = $("#bip32-tab");
DOM.bip44tab = $("#bip44-tab");
+ DOM.bip49tab = $("#bip49-tab");
DOM.bip32panel = $("#bip32");
DOM.bip44panel = $("#bip44");
+ DOM.bip49panel = $("#bip49");
DOM.bip32path = $("#bip32-path");
DOM.bip44path = $("#bip44-path");
DOM.bip44purpose = $("#bip44 .purpose");
DOM.bip44accountXprv = $("#bip44 .account-xprv");
DOM.bip44accountXpub = $("#bip44 .account-xpub");
DOM.bip44change = $("#bip44 .change");
+ DOM.bip49unavailable = $("#bip49 .unavailable");
+ DOM.bip49available = $("#bip49 .available");
+ DOM.bip49path = $("#bip49-path");
+ DOM.bip49purpose = $("#bip49 .purpose");
+ DOM.bip49coin = $("#bip49 .coin");
+ DOM.bip49account = $("#bip49 .account");
+ DOM.bip49accountXprv = $("#bip49 .account-xprv");
+ DOM.bip49accountXpub = $("#bip49 .account-xpub");
+ DOM.bip49change = $("#bip49 .change");
DOM.generatedStrength = $(".generate-container .strength");
DOM.hardenedAddresses = $(".hardened-addresses");
+ DOM.useP2wpkhNestedInP2sh = $(".p2wpkh-nested-in-p2sh");
DOM.addresses = $(".addresses");
DOM.rowsToAdd = $(".rows-to-add");
DOM.more = $(".more");
DOM.generate.on("click", generateClicked);
DOM.more.on("click", showMore);
DOM.rootKey.on("input", delayedRootKeyChanged);
+ DOM.litecoinUseLtub.on("change", litecoinUseLtubChanged);
DOM.bip32path.on("input", calcForDerivationPath);
- DOM.bip44purpose.on("input", calcForDerivationPath);
- DOM.bip44coin.on("input", calcForDerivationPath);
DOM.bip44account.on("input", calcForDerivationPath);
DOM.bip44change.on("input", calcForDerivationPath);
+ DOM.bip49account.on("input", calcForDerivationPath);
+ DOM.bip49change.on("input", calcForDerivationPath);
DOM.tab.on("shown.bs.tab", calcForDerivationPath);
DOM.hardenedAddresses.on("change", calcForDerivationPath);
+ DOM.useP2wpkhNestedInP2sh.on("change", calcForDerivationPath);
DOM.indexToggle.on("click", toggleIndexes);
DOM.addressToggle.on("click", toggleAddresses);
DOM.publicKeyToggle.on("click", togglePublicKeys);
// Event handlers
function networkChanged(e) {
+ clearDerivedKeys();
+ clearAddressesList();
+ DOM.litecoinLtubContainer.addClass("hidden");
var networkIndex = e.target.value;
- networks[networkIndex].onSelect();
+ var network = networks[networkIndex];
+ network.onSelect();
+ if (network.p2wpkhNestedInP2shAvailable) {
+ showP2wpkhNestedInP2shAvailable();
+ }
+ else {
+ showP2wpkhNestedInP2shUnavailable();
+ }
if (seed != null) {
phraseChanged();
}
function delayedPhraseChanged() {
hideValidationError();
+ seed = null;
+ bip32RootKey = null;
+ bip32ExtendedKey = null;
+ clearAddressesList();
showPending();
if (phraseChangeTimeoutEvent != null) {
clearTimeout(phraseChangeTimeoutEvent);
function phraseChanged() {
showPending();
- hideValidationError();
setMnemonicLanguage();
// Get the mnemonic phrase
var phrase = DOM.phrase.val();
var passphrase = DOM.passphrase.val();
calcBip32RootKeyFromSeed(phrase, passphrase);
calcForDerivationPath();
- hidePending();
}
function delayedEntropyChanged() {
function rootKeyChanged() {
showPending();
hideValidationError();
- // Validate the root key TODO
var rootKeyBase58 = DOM.rootKey.val();
var errorText = validateRootKey(rootKeyBase58);
if (errorText) {
calcForDerivationPath();
}
+ function litecoinUseLtubChanged() {
+ litecoinUseLtub = DOM.litecoinUseLtub.prop("checked");
+ if (litecoinUseLtub) {
+ network = bitcoinjs.bitcoin.networks.litecoinLtub;
+ }
+ else {
+ network = bitcoinjs.bitcoin.networks.litecoin;
+ }
+ phraseChanged();
+ }
+
function calcForDerivationPath() {
- showPending();
+ clearDerivedKeys();
clearAddressesList();
- hideValidationError();
+ showPending();
+ // Don't show bip49 if it's selected but network doesn't support it
+ if (bip49TabSelected() && !networkHasBip49()) {
+ return;
+ }
// Get the derivation path
var derivationPath = getDerivationPath();
var errorText = findDerivationPathErrors(derivationPath);
if (bip44TabSelected()) {
displayBip44Info();
}
+ if (bip49TabSelected()) {
+ displayBip49Info();
+ }
displayBip32Info();
- hidePending();
}
function generateClicked() {
function calcBip32RootKeyFromSeed(phrase, passphrase) {
seed = mnemonic.toSeed(phrase, passphrase);
- bip32RootKey = bitcoin.HDNode.fromSeedHex(seed, network);
+ bip32RootKey = bitcoinjs.bitcoin.HDNode.fromSeedHex(seed, network);
}
function calcBip32RootKeyFromBase58(rootKeyBase58) {
- bip32RootKey = bitcoin.HDNode.fromBase58(rootKeyBase58, network);
+ bip32RootKey = bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, network);
}
function calcBip32ExtendedKey(path) {
continue;
}
var hardened = bit[bit.length-1] == "'";
- var isPriv = "privKey" in extendedKey;
+ var isPriv = !(extendedKey.isNeutered());
var invalidDerivationPath = hardened && !isPriv;
if (invalidDerivationPath) {
extendedKey = null;
function validateRootKey(rootKeyBase58) {
try {
- bitcoin.HDNode.fromBase58(rootKeyBase58);
+ bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, network);
}
catch (e) {
return "Invalid root key";
console.log("Using derivation path from BIP44 tab: " + derivationPath);
return derivationPath;
}
+ if (bip49TabSelected()) {
+ var purpose = parseIntNoNaN(DOM.bip49purpose.val(), 49);
+ var coin = parseIntNoNaN(DOM.bip49coin.val(), 0);
+ var account = parseIntNoNaN(DOM.bip49account.val(), 0);
+ var change = parseIntNoNaN(DOM.bip49change.val(), 0);
+ var path = "m/";
+ path += purpose + "'/";
+ path += coin + "'/";
+ path += account + "'/";
+ path += change;
+ DOM.bip49path.val(path);
+ var derivationPath = DOM.bip49path.val();
+ console.log("Using derivation path from BIP49 tab: " + derivationPath);
+ return derivationPath;
+ }
else if (bip32TabSelected()) {
var derivationPath = DOM.bip32path.val();
console.log("Using derivation path from BIP32 tab: " + derivationPath);
return "No root key";
}
// Check no hardened derivation path when using xpub keys
- var hardened = path.indexOf("'") > -1;
- var isXpubkey = !("privKey" in bip32RootKey);
+ var hardenedPath = path.indexOf("'") > -1;
+ var hardenedAddresses = bip32TabSelected() && DOM.hardenedAddresses.prop("checked");
+ var hardened = hardenedPath || hardenedAddresses;
+ var isXpubkey = bip32RootKey.isNeutered();
if (hardened && isXpubkey) {
return "Hardened derivation path is invalid with xpub key";
}
// Calculate the account extended keys
var accountExtendedKey = calcBip32ExtendedKey(path);
var accountXprv = accountExtendedKey.toBase58();
- var accountXpub = accountExtendedKey.toBase58(false);
+ var accountXpub = accountExtendedKey.neutered().toBase58();
// Display the extended keys
DOM.bip44accountXprv.val(accountXprv);
DOM.bip44accountXpub.val(accountXpub);
}
+ function displayBip49Info() {
+ // Get the derivation path for the account
+ var purpose = parseIntNoNaN(DOM.bip49purpose.val(), 49);
+ var coin = parseIntNoNaN(DOM.bip49coin.val(), 0);
+ var account = parseIntNoNaN(DOM.bip49account.val(), 0);
+ var path = "m/";
+ path += purpose + "'/";
+ path += coin + "'/";
+ path += account + "'/";
+ // Calculate the account extended keys
+ var accountExtendedKey = calcBip32ExtendedKey(path);
+ var accountXprv = accountExtendedKey.toBase58();
+ var accountXpub = accountExtendedKey.neutered().toBase58();
+ // Display the extended keys
+ DOM.bip49accountXprv.val(accountXprv);
+ DOM.bip49accountXpub.val(accountXpub);
+ }
+
function displayBip32Info() {
// Display the key
DOM.seed.val(seed);
var rootKey = bip32RootKey.toBase58();
DOM.rootKey.val(rootKey);
var xprvkeyB58 = "NA";
- if (bip32ExtendedKey.privKey) {
+ if (!bip32ExtendedKey.isNeutered()) {
xprvkeyB58 = bip32ExtendedKey.toBase58();
}
var extendedPrivKey = xprvkeyB58;
DOM.extendedPrivKey.val(extendedPrivKey);
- var extendedPubKey = bip32ExtendedKey.toBase58(false);
+ var extendedPubKey = bip32ExtendedKey.neutered().toBase58();
DOM.extendedPubKey.val(extendedPubKey);
// Display the addresses and privkeys
clearAddressesList();
for (var i=0; i<rows.length; i++) {
rows[i].shouldGenerate = false;
}
+ hidePending();
}
for (var i=0; i<total; i++) {
var index = i + start;
- rows.push(new TableRow(index));
+ var isLast = i == total - 1;
+ rows.push(new TableRow(index, isLast));
}
})());
}
- function TableRow(index) {
+ function TableRow(index, isLast) {
var self = this;
this.shouldGenerate = true;
var useHardenedAddresses = DOM.hardenedAddresses.prop("checked");
+ var isP2wpkhNestedInP2sh = bip49TabSelected() || (bip32TabSelected() && useP2wpkhNestedInP2sh());
+ var p2wpkhNestedInP2shAvailable = networkHasBip49();
function init() {
calculateValues();
if (!self.shouldGenerate) {
return;
}
- var key = "";
+ var key = "NA";
if (useHardenedAddresses) {
key = bip32ExtendedKey.deriveHardened(index);
}
}
var address = key.getAddress().toString();
var privkey = "NA";
- if (key.privKey) {
- privkey = key.privKey.toWIF(network);
+ if (!key.isNeutered()) {
+ privkey = key.keyPair.toWIF(network);
}
- var pubkey = key.pubKey.toHex();
+ var pubkey = key.getPublicKeyBuffer().toString('hex');
var indexText = getDerivationPath() + "/" + index;
if (useHardenedAddresses) {
indexText = indexText + "'";
}
// Ethereum values are different
- if (networks[DOM.network.val()].name == "Ethereum") {
- var privKeyBuffer = key.privKey.d.toBuffer();
+ if (networks[DOM.network.val()].name == "ETH - Ethereum") {
+ var privKeyBuffer = key.keyPair.d.toBuffer();
privkey = privKeyBuffer.toString('hex');
var addressBuffer = ethUtil.privateToAddress(privKeyBuffer);
var hexAddress = addressBuffer.toString('hex');
var checksumAddress = ethUtil.toChecksumAddress(hexAddress);
address = ethUtil.addHexPrefix(checksumAddress);
+ privkey = ethUtil.addHexPrefix(privkey);
+ pubkey = ethUtil.addHexPrefix(pubkey);
+ }
+ // Ripple values are different
+ if (networks[DOM.network.val()].name == "XRP - Ripple") {
+ privkey = convertRipplePriv(privkey);
+ address = convertRippleAdrr(address);
+ }
+ // BIP49 addresses are different
+ if (isP2wpkhNestedInP2sh) {
+ if (!p2wpkhNestedInP2shAvailable) {
+ return;
+ }
+ var keyhash = bitcoinjs.bitcoin.crypto.hash160(key.getPublicKeyBuffer());
+ var scriptsig = bitcoinjs.bitcoin.script.witnessPubKeyHash.output.encode(keyhash);
+ var addressbytes = bitcoinjs.bitcoin.crypto.hash160(scriptsig);
+ var scriptpubkey = bitcoinjs.bitcoin.script.scriptHash.output.encode(addressbytes);
+ address = bitcoinjs.bitcoin.address.fromOutputScript(scriptpubkey, network)
}
addAddressToList(indexText, address, pubkey, privkey);
+ if (isLast) {
+ hidePending();
+ }
}, 50)
}
function clearDisplay() {
clearAddressesList();
- clearKey();
+ clearKeys();
hideValidationError();
}
}
}
- function clearKey() {
+ function clearKeys() {
+ clearRootKey();
+ clearDerivedKeys();
+ }
+
+ function clearRootKey() {
DOM.rootKey.val("");
+ }
+
+ function clearDerivedKeys() {
DOM.extendedPrivKey.val("");
DOM.extendedPubKey.val("");
+ DOM.bip44accountXprv.val("");
+ DOM.bip44accountXpub.val("");
}
function addAddressToList(indexText, address, pubkey, privkey) {
var option = $("<option>");
option.attr("value", i);
option.text(network.name);
+ if (network.name == "BTC - Bitcoin") {
+ option.prop("selected", true);
+ }
DOM.phraseNetwork.append(option);
}
}
}
function clearEntropyFeedback() {
- DOM.entropyStrength.text("...");
+ DOM.entropyCrackTime.text("...");
DOM.entropyType.text("");
DOM.entropyWordCount.text("0");
DOM.entropyEventCount.text("0");
function showEntropyFeedback(entropy) {
var numberOfBits = entropy.binaryStr.length;
- var strength = "extremely weak";
- if (numberOfBits >= 64) {
- strength = "very weak";
- }
- if (numberOfBits >= 96) {
- strength = "weak";
- }
- if (numberOfBits >= 128) {
- strength = "strong";
- }
- if (numberOfBits >= 160) {
- strength = "very strong";
- }
- if (numberOfBits >= 192) {
- strength = "extremely strong";
- }
- // If time to crack is less than one day, and password is considered
- // strong or better based on the number of bits, rename strength to
- // 'easily cracked'.
+ var timeToCrack = "unknown";
try {
var z = zxcvbn(entropy.base.parts.join(""));
- var timeToCrack = z.crack_times_seconds.offline_fast_hashing_1e10_per_second;
- if (timeToCrack < 86400 && entropy.binaryStr.length >= 128) {
- strength = "easily cracked";
- if (z.feedback.warning != "") {
- strength = strength + " - " + z.feedback.warning;
- };
- }
+ timeToCrack = z.crack_times_display.offline_fast_hashing_1e10_per_second;
+ if (z.feedback.warning != "") {
+ timeToCrack = timeToCrack + " - " + z.feedback.warning;
+ };
}
catch (e) {
- strength = "unknown";
console.log("Error detecting entropy strength with zxcvbn:");
console.log(e);
}
var bitsPerEvent = entropy.bitsPerEvent.toFixed(2);
DOM.entropyFiltered.html(entropy.cleanHtml);
DOM.entropyType.text(entropyTypeStr);
- DOM.entropyStrength.text(strength);
+ DOM.entropyCrackTime.text(timeToCrack);
DOM.entropyEventCount.text(entropy.base.ints.length);
DOM.entropyBits.text(numberOfBits);
DOM.entropyWordCount.text(wordCount);
DOM.entropyBinary.text(entropy.binaryStr);
DOM.entropyBitsPerEvent.text(bitsPerEvent);
+ // detect and warn of filtering
+ var rawNoSpaces = DOM.entropy.val().replace(/\s/g, "");
+ var cleanNoSpaces = entropy.cleanStr.replace(/\s/g, "");
+ var isFiltered = rawNoSpaces.length != cleanNoSpaces.length;
+ if (isFiltered) {
+ DOM.entropyFilterWarning.removeClass('hidden');
+ }
+ else {
+ DOM.entropyFilterWarning.addClass('hidden');
+ }
}
function getEntropyTypeStr(entropy) {
return DOM.bip32tab.hasClass("active");
}
+ function useP2wpkhNestedInP2sh() {
+ return DOM.useP2wpkhNestedInP2sh.prop("checked");
+ }
+
+ function networkHasBip49() {
+ return networks[DOM.network.val()].p2wpkhNestedInP2shAvailable;
+ }
+
+ function bip49TabSelected() {
+ return DOM.bip49tab.hasClass("active");
+ }
+
+ function setHdCoin(coinValue) {
+ DOM.bip44coin.val(coinValue);
+ DOM.bip49coin.val(coinValue);
+ }
+
+ function showP2wpkhNestedInP2shAvailable() {
+ DOM.bip49unavailable.addClass("hidden");
+ DOM.bip49available.removeClass("hidden");
+ DOM.useP2wpkhNestedInP2sh.prop("disabled", false);
+ }
+
+ function showP2wpkhNestedInP2shUnavailable() {
+ DOM.bip49available.addClass("hidden");
+ DOM.bip49unavailable.removeClass("hidden");
+ DOM.useP2wpkhNestedInP2sh.prop("disabled", true);
+ DOM.useP2wpkhNestedInP2sh.prop("checked", false);
+ }
+
var networks = [
{
- name: "Bitcoin",
+ name: "BCH - Bitcoin Cash",
+ p2wpkhNestedInP2shAvailable: false,
+ onSelect: function() {
+ network = bitcoinjs.bitcoin.networks.bitcoin;
+ setHdCoin(145);
+ },
+ },
+ {
+ name: "BTC - Bitcoin",
+ p2wpkhNestedInP2shAvailable: true,
+ onSelect: function() {
+ network = bitcoinjs.bitcoin.networks.bitcoin;
+ setHdCoin(0);
+ },
+ },
+ {
+ name: "BTC - Bitcoin Testnet",
+ p2wpkhNestedInP2shAvailable: true,
onSelect: function() {
- network = bitcoin.networks.bitcoin;
- DOM.bip44coin.val(0);
+ network = bitcoinjs.bitcoin.networks.testnet;
+ setHdCoin(1);
},
},
{
- name: "Bitcoin Testnet",
+ name: "CLAM - Clams",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.testnet;
- DOM.bip44coin.val(1);
+ network = bitcoinjs.bitcoin.networks.clam;
+ setHdCoin(23);
},
},
{
- name: "CLAM",
+ name: "CRW - Crown",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.clam;
- DOM.bip44coin.val(23);
+ network = bitcoinjs.bitcoin.networks.crown;
+ setHdCoin(72);
},
},
{
- name: "Dogecoin",
+ name: "DASH - Dash",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.dogecoin;
- DOM.bip44coin.val(3);
+ network = bitcoinjs.bitcoin.networks.dash;
+ setHdCoin(5);
},
},
{
- name: "DASH",
+ name: "DASH - Dash Testnet",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.dash;
- DOM.bip44coin.val(5);
+ network = bitcoinjs.bitcoin.networks.dashtn;
+ setHdCoin(1);
},
},
{
- name: "Ethereum",
+ name: "DOGE - Dogecoin",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.bitcoin;
- DOM.bip44coin.val(60);
+ network = bitcoinjs.bitcoin.networks.dogecoin;
+ setHdCoin(3);
},
},
{
- name: "GAME",
+ name: "ETH - Ethereum",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.game;
- DOM.bip44coin.val(101);
+ network = bitcoinjs.bitcoin.networks.bitcoin;
+ setHdCoin(60);
},
},
{
- name: "Jumbucks",
+ name: "FJC - Fujicoin",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.jumbucks;
- DOM.bip44coin.val(26);
+ network = bitcoinjs.bitcoin.networks.fujicoin;
+ setHdCoin(75);
},
},
{
- name: "Litecoin",
+ name: "GAME - GameCredits",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.litecoin;
- DOM.bip44coin.val(2);
+ network = bitcoinjs.bitcoin.networks.game;
+ setHdCoin(101);
},
},
{
- name: "Namecoin",
+ name: "JBS - Jumbucks",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.namecoin;
- DOM.bip44coin.val(7);
+ network = bitcoinjs.bitcoin.networks.jumbucks;
+ setHdCoin(26);
},
},
{
- name: "Peercoin",
+ name: "LTC - Litecoin",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.peercoin;
- DOM.bip44coin.val(6);
+ network = bitcoinjs.bitcoin.networks.litecoin;
+ setHdCoin(2);
+ DOM.litecoinLtubContainer.removeClass("hidden");
},
},
{
- name: "ShadowCash",
+ name: "MAZA - Maza",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.shadow;
- DOM.bip44coin.val(35);
+ network = bitcoinjs.bitcoin.networks.maza;
+ setHdCoin(13);
},
},
+
{
- name: "ShadowCash Testnet",
+ name: "NMC - Namecoin",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.shadowtn;
- DOM.bip44coin.val(1);
+ network = bitcoinjs.bitcoin.networks.namecoin;
+ setHdCoin(7);
},
},
{
- name: "Viacoin",
+ name: "PIVX - PIVX",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.viacoin;
- DOM.bip44coin.val(14);
+ network = bitcoinjs.bitcoin.networks.pivx;
+ setHdCoin(119);
},
},
{
- name: "Viacoin Testnet",
+ name: "PIVX - PIVX Testnet",
+ p2wpkhNestedInP2shAvailable: false,
onSelect: function() {
- network = bitcoin.networks.viacointestnet;
- DOM.bip44coin.val(1);
+ network = bitcoinjs.bitcoin.networks.pivxtestnet;
+ setHdCoin(1);
},
},
+ {
+ name: "PPC - Peercoin",
+ p2wpkhNestedInP2shAvailable: false,
+ onSelect: function() {
+ network = bitcoinjs.bitcoin.networks.peercoin;
+ setHdCoin(6);
+ },
+ },
+ {
+ name: "SDC - ShadowCash",
+ p2wpkhNestedInP2shAvailable: false,
+ onSelect: function() {
+ network = bitcoinjs.bitcoin.networks.shadow;
+ setHdCoin(35);
+ },
+ },
+ {
+ name: "SDC - ShadowCash Testnet",
+ p2wpkhNestedInP2shAvailable: false,
+ onSelect: function() {
+ network = bitcoinjs.bitcoin.networks.shadowtn;
+ setHdCoin(1);
+ },
+ },
+ {
+ name: "SLM - Slimcoin",
+ p2wpkhNestedInP2shAvailable: false,
+ onSelect: function() {
+ network = bitcoinjs.bitcoin.networks.slimcoin;
+ setHdCoin(63);
+ },
+ },
+ {
+ name: "SLM - Slimcoin Testnet",
+ p2wpkhNestedInP2shAvailable: false,
+ onSelect: function() {
+ network = bitcoinjs.bitcoin.networks.slimcointn;
+ setHdCoin(111);
+ },
+ },
+ {
+ name: "VIA - Viacoin",
+ p2wpkhNestedInP2shAvailable: false,
+ onSelect: function() {
+ network = bitcoinjs.bitcoin.networks.viacoin;
+ setHdCoin(14);
+ },
+ },
+ {
+ name: "VIA - Viacoin Testnet",
+ p2wpkhNestedInP2shAvailable: false,
+ onSelect: function() {
+ network = bitcoinjs.bitcoin.networks.viacointestnet;
+ setHdCoin(1);
+ },
+ },
+ {
+ name: "XMY - Myriadcoin",
+ p2wpkhNestedInP2shAvailable: false,
+ onSelect: function() {
+ network = bitcoinjs.bitcoin.networks.myriadcoin;
+ setHdCoin(90);
+ },
+ },
+ {
+ name: "XRP - Ripple",
+ p2wpkhNestedInP2shAvailable: false,
+ onSelect: function() {
+ network = bitcoinjs.bitcoin.networks.bitcoin;
+ setHdCoin(144);
+ },
+ }
]
var clients = [
projects / perso / Immae / Projets / Cryptomonnaies / BIP39.git / blobdiff