3 // mnemonics is populated as required by getLanguage
4 var mnemonics
= { "english": new Mnemonic("english") };
5 var mnemonic
= mnemonics
["english"];
7 var bip32RootKey
= null;
8 var bip32ExtendedKey
= null;
9 var network
= bitcoinjs
.bitcoin
.networks
.bitcoin
;
10 var addressRowTemplate
= $("#address-row-template");
13 var showAddress
= true;
14 var showPubKey
= true;
15 var showPrivKey
= true;
18 var entropyChangeTimeoutEvent
= null;
19 var phraseChangeTimeoutEvent
= null;
20 var rootKeyChangedTimeoutEvent
= null;
22 var generationProcesses
= [];
25 DOM
.network
= $(".network");
26 DOM
.bip32Client
= $("#bip32-client");
27 DOM
.phraseNetwork
= $("#network-phrase");
28 DOM
.useEntropy
= $(".use-entropy");
29 DOM
.entropyContainer
= $(".entropy-container");
30 DOM
.entropy
= $(".entropy");
31 DOM
.entropyFiltered
= DOM
.entropyContainer
.find(".filtered");
32 DOM
.entropyType
= DOM
.entropyContainer
.find(".type");
33 DOM
.entropyCrackTime
= DOM
.entropyContainer
.find(".crack-time");
34 DOM
.entropyEventCount
= DOM
.entropyContainer
.find(".event-count");
35 DOM
.entropyBits
= DOM
.entropyContainer
.find(".bits");
36 DOM
.entropyBitsPerEvent
= DOM
.entropyContainer
.find(".bits-per-event");
37 DOM
.entropyWordCount
= DOM
.entropyContainer
.find(".word-count");
38 DOM
.entropyBinary
= DOM
.entropyContainer
.find(".binary");
39 DOM
.entropyMnemonicLength
= DOM
.entropyContainer
.find(".mnemonic-length");
40 DOM
.phrase
= $(".phrase");
41 DOM
.passphrase
= $(".passphrase");
42 DOM
.generateContainer
= $(".generate-container");
43 DOM
.generate
= $(".generate");
44 DOM
.seed
= $(".seed");
45 DOM
.rootKey
= $(".root-key");
46 DOM
.extendedPrivKey
= $(".extended-priv-key");
47 DOM
.extendedPubKey
= $(".extended-pub-key");
48 DOM
.bip32tab
= $("#bip32-tab");
49 DOM
.bip44tab
= $("#bip44-tab");
50 DOM
.bip49tab
= $("#bip49-tab");
51 DOM
.bip32panel
= $("#bip32");
52 DOM
.bip44panel
= $("#bip44");
53 DOM
.bip49panel
= $("#bip49");
54 DOM
.bip32path
= $("#bip32-path");
55 DOM
.bip44path
= $("#bip44-path");
56 DOM
.bip44purpose
= $("#bip44 .purpose");
57 DOM
.bip44coin
= $("#bip44 .coin");
58 DOM
.bip44account
= $("#bip44 .account");
59 DOM
.bip44accountXprv
= $("#bip44 .account-xprv");
60 DOM
.bip44accountXpub
= $("#bip44 .account-xpub");
61 DOM
.bip44change
= $("#bip44 .change");
62 DOM
.bip49unavailable
= $("#bip49 .unavailable");
63 DOM
.bip49available
= $("#bip49 .available");
64 DOM
.bip49path
= $("#bip49-path");
65 DOM
.bip49purpose
= $("#bip49 .purpose");
66 DOM
.bip49coin
= $("#bip49 .coin");
67 DOM
.bip49account
= $("#bip49 .account");
68 DOM
.bip49accountXprv
= $("#bip49 .account-xprv");
69 DOM
.bip49accountXpub
= $("#bip49 .account-xpub");
70 DOM
.bip49change
= $("#bip49 .change");
71 DOM
.generatedStrength
= $(".generate-container .strength");
72 DOM
.hardenedAddresses
= $(".hardened-addresses");
73 DOM
.addresses
= $(".addresses");
74 DOM
.rowsToAdd
= $(".rows-to-add");
75 DOM
.more
= $(".more");
76 DOM
.feedback
= $(".feedback");
77 DOM
.tab
= $(".derivation-type a");
78 DOM
.indexToggle
= $(".index-toggle");
79 DOM
.addressToggle
= $(".address-toggle");
80 DOM
.publicKeyToggle
= $(".public-key-toggle");
81 DOM
.privateKeyToggle
= $(".private-key-toggle");
82 DOM
.languages
= $(".languages a");
83 DOM
.qrContainer
= $(".qr-container");
84 DOM
.qrHider
= DOM
.qrContainer
.find(".qr-hider");
85 DOM
.qrImage
= DOM
.qrContainer
.find(".qr-image");
86 DOM
.qrHint
= DOM
.qrContainer
.find(".qr-hint");
87 DOM
.showQrEls
= $("[data-show-qr]");
91 DOM
.network
.on("change", networkChanged
);
92 DOM
.bip32Client
.on("change", bip32ClientChanged
);
93 DOM
.useEntropy
.on("change", setEntropyVisibility
);
94 DOM
.entropy
.on("input", delayedEntropyChanged
);
95 DOM
.entropyMnemonicLength
.on("change", entropyChanged
);
96 DOM
.phrase
.on("input", delayedPhraseChanged
);
97 DOM
.passphrase
.on("input", delayedPhraseChanged
);
98 DOM
.generate
.on("click", generateClicked
);
99 DOM
.more
.on("click", showMore
);
100 DOM
.rootKey
.on("input", delayedRootKeyChanged
);
101 DOM
.bip32path
.on("input", calcForDerivationPath
);
102 DOM
.bip44account
.on("input", calcForDerivationPath
);
103 DOM
.bip44change
.on("input", calcForDerivationPath
);
104 DOM
.bip49account
.on("input", calcForDerivationPath
);
105 DOM
.bip49change
.on("input", calcForDerivationPath
);
106 DOM
.tab
.on("shown.bs.tab", calcForDerivationPath
);
107 DOM
.hardenedAddresses
.on("change", calcForDerivationPath
);
108 DOM
.indexToggle
.on("click", toggleIndexes
);
109 DOM
.addressToggle
.on("click", toggleAddresses
);
110 DOM
.publicKeyToggle
.on("click", togglePublicKeys
);
111 DOM
.privateKeyToggle
.on("click", togglePrivateKeys
);
112 DOM
.languages
.on("click", languageChanged
);
113 setQrEvents(DOM
.showQrEls
);
116 hideValidationError();
117 populateNetworkSelect();
118 populateClientSelect();
123 function networkChanged(e
) {
125 clearAddressesList();
126 var networkIndex
= e
.target
.value
;
127 var network
= networks
[networkIndex
];
129 if (network
.bip49available
) {
143 function bip32ClientChanged(e
) {
144 var clientIndex
= DOM
.bip32Client
.val();
145 if (clientIndex
== "custom") {
146 DOM
.bip32path
.prop("readonly", false);
149 DOM
.bip32path
.prop("readonly", true);
150 clients
[clientIndex
].onSelect();
160 function setEntropyVisibility() {
161 if (isUsingOwnEntropy()) {
162 DOM
.entropyContainer
.removeClass("hidden");
163 DOM
.generateContainer
.addClass("hidden");
164 DOM
.phrase
.prop("readonly", true);
169 DOM
.entropyContainer
.addClass("hidden");
170 DOM
.generateContainer
.removeClass("hidden");
171 DOM
.phrase
.prop("readonly", false);
176 function delayedPhraseChanged() {
177 hideValidationError();
179 if (phraseChangeTimeoutEvent
!= null) {
180 clearTimeout(phraseChangeTimeoutEvent
);
182 phraseChangeTimeoutEvent
= setTimeout(phraseChanged
, 400);
185 function phraseChanged() {
187 hideValidationError();
188 setMnemonicLanguage();
189 // Get the mnemonic phrase
190 var phrase
= DOM
.phrase
.val();
191 var errorText
= findPhraseErrors(phrase
);
193 showValidationError(errorText
);
196 // Calculate and display
197 var passphrase
= DOM
.passphrase
.val();
198 calcBip32RootKeyFromSeed(phrase
, passphrase
);
199 calcForDerivationPath();
203 function delayedEntropyChanged() {
204 hideValidationError();
206 if (entropyChangeTimeoutEvent
!= null) {
207 clearTimeout(entropyChangeTimeoutEvent
);
209 entropyChangeTimeoutEvent
= setTimeout(entropyChanged
, 400);
212 function entropyChanged() {
213 // If blank entropy, clear mnemonic, addresses, errors
214 if (DOM
.entropy
.val().trim().length
== 0) {
216 clearEntropyFeedback();
218 showValidationError("Blank entropy");
221 // Get the current phrase to detect changes
222 var phrase
= DOM
.phrase
.val();
223 // Set the phrase from the entropy
224 setMnemonicFromEntropy();
225 // Recalc addresses if the phrase has changed
226 var newPhrase
= DOM
.phrase
.val();
227 if (newPhrase
!= phrase
) {
228 if (newPhrase
.length
== 0) {
240 function delayedRootKeyChanged() {
241 // Warn if there is an existing mnemonic or passphrase.
242 if (DOM
.phrase
.val().length
> 0 || DOM
.passphrase
.val().length
> 0) {
243 if (!confirm("This will clear existing mnemonic and passphrase")) {
244 DOM
.rootKey
.val(bip32RootKey
);
248 hideValidationError();
250 // Clear existing mnemonic and passphrase
252 DOM
.passphrase
.val("");
254 if (rootKeyChangedTimeoutEvent
!= null) {
255 clearTimeout(rootKeyChangedTimeoutEvent
);
257 rootKeyChangedTimeoutEvent
= setTimeout(rootKeyChanged
, 400);
260 function rootKeyChanged() {
262 hideValidationError();
263 // Validate the root key TODO
264 var rootKeyBase58
= DOM
.rootKey
.val();
265 var errorText
= validateRootKey(rootKeyBase58
);
267 showValidationError(errorText
);
270 // Calculate and display
271 calcBip32RootKeyFromBase58(rootKeyBase58
);
272 calcForDerivationPath();
275 function calcForDerivationPath() {
278 clearAddressesList();
279 hideValidationError();
280 // Don't show bip49 if it's selected but network doesn't support it
281 if (bip49TabSelected() && !networkHasBip49()) {
284 // Get the derivation path
285 var derivationPath
= getDerivationPath();
286 var errorText
= findDerivationPathErrors(derivationPath
);
288 showValidationError(errorText
);
291 bip32ExtendedKey
= calcBip32ExtendedKey(derivationPath
);
292 if (bip44TabSelected()) {
295 if (bip49TabSelected()) {
302 function generateClicked() {
303 if (isUsingOwnEntropy()) {
308 setTimeout(function() {
309 setMnemonicLanguage();
310 var phrase
= generateRandomPhrase();
318 function languageChanged() {
319 setTimeout(function() {
320 setMnemonicLanguage();
321 if (DOM
.phrase
.val().length
> 0) {
322 var newPhrase
= convertPhraseToNewLanguage();
323 DOM
.phrase
.val(newPhrase
);
327 DOM
.generate
.trigger("click");
332 function toggleIndexes() {
333 showIndex
= !showIndex
;
334 $("td.index span").toggleClass("invisible");
337 function toggleAddresses() {
338 showAddress
= !showAddress
;
339 $("td.address span").toggleClass("invisible");
342 function togglePublicKeys() {
343 showPubKey
= !showPubKey
;
344 $("td.pubkey span").toggleClass("invisible");
347 function togglePrivateKeys() {
348 showPrivKey
= !showPrivKey
;
349 $("td.privkey span").toggleClass("invisible");
354 function generateRandomPhrase() {
355 if (!hasStrongRandom()) {
356 var errorText
= "This browser does not support strong randomness";
357 showValidationError(errorText
);
360 var numWords
= parseInt(DOM
.generatedStrength
.val());
361 var strength
= numWords
/ 3 * 32;
362 var words
= mnemonic
.generate(strength
);
363 DOM
.phrase
.val(words
);
367 function calcBip32RootKeyFromSeed(phrase
, passphrase
) {
368 seed
= mnemonic
.toSeed(phrase
, passphrase
);
369 bip32RootKey
= bitcoinjs
.bitcoin
.HDNode
.fromSeedHex(seed
, network
);
372 function calcBip32RootKeyFromBase58(rootKeyBase58
) {
373 bip32RootKey
= bitcoinjs
.bitcoin
.HDNode
.fromBase58(rootKeyBase58
, network
);
376 function calcBip32ExtendedKey(path
) {
377 // Check there's a root key to derive from
381 var extendedKey
= bip32RootKey
;
382 // Derive the key from the path
383 var pathBits
= path
.split("/");
384 for (var i
=0; i
<pathBits
.length
; i
++) {
385 var bit
= pathBits
[i
];
386 var index
= parseInt(bit
);
390 var hardened
= bit
[bit
.length
-1] == "'";
391 var isPriv
= !(extendedKey
.isNeutered());
392 var invalidDerivationPath
= hardened
&& !isPriv
;
393 if (invalidDerivationPath
) {
397 extendedKey
= extendedKey
.deriveHardened(index
);
400 extendedKey
= extendedKey
.derive(index
);
406 function showValidationError(errorText
) {
412 function hideValidationError() {
418 function findPhraseErrors(phrase
) {
419 // Preprocess the words
420 phrase
= mnemonic
.normalizeString(phrase
);
421 var words
= phraseToWordArray(phrase
);
422 // Detect blank phrase
423 if (words
.length
== 0) {
424 return "Blank mnemonic";
427 for (var i
=0; i
<words
.length
; i
++) {
429 var language
= getLanguage();
430 if (WORDLISTS
[language
].indexOf(word
) == -1) {
431 console
.log("Finding closest match to " + word
);
432 var nearestWord
= findNearestWord(word
);
433 return word
+ " not in wordlist, did you mean " + nearestWord
+ "?";
436 // Check the words are valid
437 var properPhrase
= wordArrayToPhrase(words
);
438 var isValid
= mnemonic
.check(properPhrase
);
440 return "Invalid mnemonic";
445 function validateRootKey(rootKeyBase58
) {
447 bitcoinjs
.bitcoin
.HDNode
.fromBase58(rootKeyBase58
);
450 return "Invalid root key";
455 function getDerivationPath() {
456 if (bip44TabSelected()) {
457 var purpose
= parseIntNoNaN(DOM
.bip44purpose
.val(), 44);
458 var coin
= parseIntNoNaN(DOM
.bip44coin
.val(), 0);
459 var account
= parseIntNoNaN(DOM
.bip44account
.val(), 0);
460 var change
= parseIntNoNaN(DOM
.bip44change
.val(), 0);
462 path
+= purpose
+ "'/";
464 path
+= account
+ "'/";
466 DOM
.bip44path
.val(path
);
467 var derivationPath
= DOM
.bip44path
.val();
468 console
.log("Using derivation path from BIP44 tab: " + derivationPath
);
469 return derivationPath
;
471 if (bip49TabSelected()) {
472 var purpose
= parseIntNoNaN(DOM
.bip49purpose
.val(), 49);
473 var coin
= parseIntNoNaN(DOM
.bip49coin
.val(), 0);
474 var account
= parseIntNoNaN(DOM
.bip49account
.val(), 0);
475 var change
= parseIntNoNaN(DOM
.bip49change
.val(), 0);
477 path
+= purpose
+ "'/";
479 path
+= account
+ "'/";
481 DOM
.bip49path
.val(path
);
482 var derivationPath
= DOM
.bip49path
.val();
483 console
.log("Using derivation path from BIP49 tab: " + derivationPath
);
484 return derivationPath
;
486 else if (bip32TabSelected()) {
487 var derivationPath
= DOM
.bip32path
.val();
488 console
.log("Using derivation path from BIP32 tab: " + derivationPath
);
489 return derivationPath
;
492 console
.log("Unknown derivation path");
496 function findDerivationPathErrors(path
) {
497 // TODO is not perfect but is better than nothing
499 // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#test-vectors
501 // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#extended-keys
502 var maxDepth
= 255; // TODO verify this!!
503 var maxIndexValue
= Math
.pow(2, 31); // TODO verify this!!
504 if (path
[0] != "m") {
505 return "First character must be 'm'";
507 if (path
.length
> 1) {
508 if (path
[1] != "/") {
509 return "Separator must be '/'";
511 var indexes
= path
.split("/");
512 if (indexes
.length
> maxDepth
) {
513 return "Derivation depth is " + indexes
.length
+ ", must be less than " + maxDepth
;
515 for (var depth
= 1; depth
<indexes
.length
; depth
++) {
516 var index
= indexes
[depth
];
517 var invalidChars
= index
.replace(/^[0-9]+'?$/g, "")
518 if (invalidChars
.length
> 0) {
519 return "Invalid characters " + invalidChars
+ " found at depth " + depth
;
521 var indexValue
= parseInt(index
.replace("'", ""));
523 return "Invalid number at depth " + depth
;
525 if (indexValue
> maxIndexValue
) {
526 return "Value of " + indexValue
+ " at depth " + depth
+ " must be less than " + maxIndexValue
;
530 // Check root key exists or else derivation path is useless!
532 return "No root key";
534 // Check no hardened derivation path when using xpub keys
535 var hardened
= path
.indexOf("'") > -1;
536 var isXpubkey
= bip32RootKey
.isNeutered();
537 if (hardened
&& isXpubkey
) {
538 return "Hardened derivation path is invalid with xpub key";
543 function displayBip44Info() {
544 // Get the derivation path for the account
545 var purpose
= parseIntNoNaN(DOM
.bip44purpose
.val(), 44);
546 var coin
= parseIntNoNaN(DOM
.bip44coin
.val(), 0);
547 var account
= parseIntNoNaN(DOM
.bip44account
.val(), 0);
549 path
+= purpose
+ "'/";
551 path
+= account
+ "'/";
552 // Calculate the account extended keys
553 var accountExtendedKey
= calcBip32ExtendedKey(path
);
554 var accountXprv
= accountExtendedKey
.toBase58();
555 var accountXpub
= accountExtendedKey
.neutered().toBase58();
556 // Display the extended keys
557 DOM
.bip44accountXprv
.val(accountXprv
);
558 DOM
.bip44accountXpub
.val(accountXpub
);
561 function displayBip49Info() {
562 // Get the derivation path for the account
563 var purpose
= parseIntNoNaN(DOM
.bip49purpose
.val(), 49);
564 var coin
= parseIntNoNaN(DOM
.bip49coin
.val(), 0);
565 var account
= parseIntNoNaN(DOM
.bip49account
.val(), 0);
567 path
+= purpose
+ "'/";
569 path
+= account
+ "'/";
570 // Calculate the account extended keys
571 var accountExtendedKey
= calcBip32ExtendedKey(path
);
572 var accountXprv
= accountExtendedKey
.toBase58();
573 var accountXpub
= accountExtendedKey
.neutered().toBase58();
574 // Display the extended keys
575 DOM
.bip49accountXprv
.val(accountXprv
);
576 DOM
.bip49accountXpub
.val(accountXpub
);
579 function displayBip32Info() {
582 var rootKey
= bip32RootKey
.toBase58();
583 DOM
.rootKey
.val(rootKey
);
584 var xprvkeyB58
= "NA";
585 if (!bip32ExtendedKey
.isNeutered()) {
586 xprvkeyB58
= bip32ExtendedKey
.toBase58();
588 var extendedPrivKey
= xprvkeyB58
;
589 DOM
.extendedPrivKey
.val(extendedPrivKey
);
590 var extendedPubKey
= bip32ExtendedKey
.neutered().toBase58();
591 DOM
.extendedPubKey
.val(extendedPubKey
);
592 // Display the addresses and privkeys
593 clearAddressesList();
594 displayAddresses(0, 20);
597 function displayAddresses(start
, total
) {
598 generationProcesses
.push(new (function() {
602 this.stop = function() {
603 for (var i
=0; i
<rows
.length
; i
++) {
604 rows
[i
].shouldGenerate
= false;
608 for (var i
=0; i
<total
; i
++) {
609 var index
= i
+ start
;
610 rows
.push(new TableRow(index
));
616 function TableRow(index
) {
619 this.shouldGenerate
= true;
620 var useHardenedAddresses
= DOM
.hardenedAddresses
.prop("checked");
621 var isBip49
= bip49TabSelected();
622 var bip49available
= networkHasBip49();
628 function calculateValues() {
629 setTimeout(function() {
630 if (!self
.shouldGenerate
) {
634 if (useHardenedAddresses
) {
635 key
= bip32ExtendedKey
.deriveHardened(index
);
638 key
= bip32ExtendedKey
.derive(index
);
640 var address
= key
.getAddress().toString();
642 if (!key
.isNeutered()) {
643 privkey
= key
.keyPair
.toWIF(network
);
645 var pubkey
= key
.getPublicKeyBuffer().toString('hex');
646 var indexText
= getDerivationPath() + "/" + index
;
647 if (useHardenedAddresses
) {
648 indexText
= indexText
+ "'";
650 // Ethereum values are different
651 if (networks
[DOM
.network
.val()].name
== "ETH - Ethereum") {
652 var privKeyBuffer
= key
.keyPair
.d
.toBuffer();
653 privkey
= privKeyBuffer
.toString('hex');
654 var addressBuffer
= ethUtil
.privateToAddress(privKeyBuffer
);
655 var hexAddress
= addressBuffer
.toString('hex');
656 var checksumAddress
= ethUtil
.toChecksumAddress(hexAddress
);
657 address
= ethUtil
.addHexPrefix(checksumAddress
);
658 privkey
= ethUtil
.addHexPrefix(privkey
);
659 pubkey
= ethUtil
.addHexPrefix(pubkey
);
661 // Ripple values are different
662 if (networks
[DOM
.network
.val()].name
== "XRP - Ripple") {
663 privkey
= convertRipplePriv(privkey
);
664 address
= convertRippleAdrr(address
);
666 // BIP49 addresses are different
668 if (!bip49available
) {
671 var keyhash
= bitcoinjs
.bitcoin
.crypto
.hash160(key
.getPublicKeyBuffer());
672 var scriptsig
= bitcoinjs
.bitcoin
.script
.witnessPubKeyHash
.output
.encode(keyhash
);
673 var addressbytes
= bitcoinjs
.bitcoin
.crypto
.hash160(scriptsig
);
674 var scriptpubkey
= bitcoinjs
.bitcoin
.script
.scriptHash
.output
.encode(addressbytes
);
675 address
= bitcoinjs
.bitcoin
.address
.fromOutputScript(scriptpubkey
, network
)
677 addAddressToList(indexText
, address
, pubkey
, privkey
);
685 function showMore() {
686 var start
= DOM
.addresses
.children().length
;
687 var rowsToAdd
= parseInt(DOM
.rowsToAdd
.val());
688 if (isNaN(rowsToAdd
)) {
690 DOM
.rowsToAdd
.val("20");
692 if (rowsToAdd
> 200) {
693 var msg
= "Generating " + rowsToAdd
+ " rows could take a while. ";
694 msg
+= "Do you want to continue?";
699 displayAddresses(start
, rowsToAdd
);
702 function clearDisplay() {
703 clearAddressesList();
705 hideValidationError();
708 function clearAddressesList() {
709 DOM
.addresses
.empty();
713 function stopGenerating() {
714 while (generationProcesses
.length
> 0) {
715 var generation
= generationProcesses
.shift();
720 function clearKeys() {
725 function clearRootKey() {
729 function clearDerivedKeys() {
730 DOM
.extendedPrivKey
.val("");
731 DOM
.extendedPubKey
.val("");
732 DOM
.bip44accountXprv
.val("");
733 DOM
.bip44accountXpub
.val("");
736 function addAddressToList(indexText
, address
, pubkey
, privkey
) {
737 var row
= $(addressRowTemplate
.html());
739 var indexCell
= row
.find(".index span");
740 var addressCell
= row
.find(".address span");
741 var pubkeyCell
= row
.find(".pubkey span");
742 var privkeyCell
= row
.find(".privkey span");
744 indexCell
.text(indexText
);
745 addressCell
.text(address
);
746 pubkeyCell
.text(pubkey
);
747 privkeyCell
.text(privkey
);
750 indexCell
.addClass("invisible");
753 addressCell
.addClass("invisible");
756 pubkeyCell
.addClass("invisible");
759 privkeyCell
.addClass("invisible");
761 DOM
.addresses
.append(row
);
762 var rowShowQrEls
= row
.find("[data-show-qr]");
763 setQrEvents(rowShowQrEls
);
766 function hasStrongRandom() {
767 return 'crypto' in window
&& window
['crypto'] !== null;
770 function disableForms() {
771 $("form").on("submit", function(e
) {
776 function parseIntNoNaN(val
, defaultVal
) {
777 var v
= parseInt(val
);
784 function showPending() {
786 .text("Calculating...")
790 function findNearestWord(word
) {
791 var language
= getLanguage();
792 var words
= WORDLISTS
[language
];
793 var minDistance
= 99;
794 var closestWord
= words
[0];
795 for (var i
=0; i
<words
.length
; i
++) {
796 var comparedTo
= words
[i
];
797 if (comparedTo
.indexOf(word
) == 0) {
800 var distance
= Levenshtein
.get(word
, comparedTo
);
801 if (distance
< minDistance
) {
802 closestWord
= comparedTo
;
803 minDistance
= distance
;
809 function hidePending() {
815 function populateNetworkSelect() {
816 for (var i
=0; i
<networks
.length
; i
++) {
817 var network
= networks
[i
];
818 var option
= $("<option>");
819 option
.attr("value", i
);
820 option
.text(network
.name
);
821 DOM
.phraseNetwork
.append(option
);
825 function populateClientSelect() {
826 for (var i
=0; i
<clients
.length
; i
++) {
827 var client
= clients
[i
];
828 var option
= $("<option>");
829 option
.attr("value", i
);
830 option
.text(client
.name
);
831 DOM
.bip32Client
.append(option
);
835 function getLanguage() {
836 var defaultLanguage
= "english";
837 // Try to get from existing phrase
838 var language
= getLanguageFromPhrase();
839 // Try to get from url if not from phrase
840 if (language
.length
== 0) {
841 language
= getLanguageFromUrl();
843 // Default to English if no other option
844 if (language
.length
== 0) {
845 language
= defaultLanguage
;
850 function getLanguageFromPhrase(phrase
) {
851 // Check if how many words from existing phrase match a language.
854 phrase
= DOM
.phrase
.val();
856 if (phrase
.length
> 0) {
857 var words
= phraseToWordArray(phrase
);
858 var languageMatches
= {};
859 for (l
in WORDLISTS
) {
860 // Track how many words match in this language
861 languageMatches
[l
] = 0;
862 for (var i
=0; i
<words
.length
; i
++) {
863 var wordInLanguage
= WORDLISTS
[l
].indexOf(words
[i
]) > -1;
864 if (wordInLanguage
) {
865 languageMatches
[l
]++;
868 // Find languages with most word matches.
869 // This is made difficult due to commonalities between Chinese
870 // simplified vs traditional.
872 var mostMatchedLanguages
= [];
873 for (var l
in languageMatches
) {
874 var numMatches
= languageMatches
[l
];
875 if (numMatches
> mostMatches
) {
876 mostMatches
= numMatches
;
877 mostMatchedLanguages
= [l
];
879 else if (numMatches
== mostMatches
) {
880 mostMatchedLanguages
.push(l
);
884 if (mostMatchedLanguages
.length
> 0) {
885 // Use first language and warn if multiple detected
886 language
= mostMatchedLanguages
[0];
887 if (mostMatchedLanguages
.length
> 1) {
888 console
.warn("Multiple possible languages");
889 console
.warn(mostMatchedLanguages
);
896 function getLanguageFromUrl() {
897 for (var language
in WORDLISTS
) {
898 if (window
.location
.hash
.indexOf(language
) > -1) {
905 function setMnemonicLanguage() {
906 var language
= getLanguage();
907 // Load the bip39 mnemonic generator for this language if required
908 if (!(language
in mnemonics
)) {
909 mnemonics
[language
] = new Mnemonic(language
);
911 mnemonic
= mnemonics
[language
];
914 function convertPhraseToNewLanguage() {
915 var oldLanguage
= getLanguageFromPhrase();
916 var newLanguage
= getLanguageFromUrl();
917 var oldPhrase
= DOM
.phrase
.val();
918 var oldWords
= phraseToWordArray(oldPhrase
);
920 for (var i
=0; i
<oldWords
.length
; i
++) {
921 var oldWord
= oldWords
[i
];
922 var index
= WORDLISTS
[oldLanguage
].indexOf(oldWord
);
923 var newWord
= WORDLISTS
[newLanguage
][index
];
924 newWords
.push(newWord
);
926 newPhrase
= wordArrayToPhrase(newWords
);
930 // TODO look at jsbip39 - mnemonic.splitWords
931 function phraseToWordArray(phrase
) {
932 var words
= phrase
.split(/\s/g);
934 for (var i
=0; i
<words
.length
; i
++) {
936 if (word
.length
> 0) {
943 // TODO look at jsbip39 - mnemonic.joinWords
944 function wordArrayToPhrase(words
) {
945 var phrase
= words
.join(" ");
946 var language
= getLanguageFromPhrase(phrase
);
947 if (language
== "japanese") {
948 phrase
= words
.join("\u3000");
953 function isUsingOwnEntropy() {
954 return DOM
.useEntropy
.prop("checked");
957 function setMnemonicFromEntropy() {
958 clearEntropyFeedback();
960 var entropyStr
= DOM
.entropy
.val();
961 // Work out minimum base for entropy
962 var entropy
= Entropy
.fromString(entropyStr
);
963 if (entropy
.binaryStr
.length
== 0) {
966 // Show entropy details
967 showEntropyFeedback(entropy
);
968 // Use entropy hash if not using raw entropy
969 var bits
= entropy
.binaryStr
;
970 var mnemonicLength
= DOM
.entropyMnemonicLength
.val();
971 if (mnemonicLength
!= "raw") {
972 // Get bits by hashing entropy with SHA256
973 var hash
= sjcl
.hash
.sha256
.hash(entropy
.cleanStr
);
974 var hex
= sjcl
.codec
.hex
.fromBits(hash
);
975 bits
= BigInteger
.parse(hex
, 16).toString(2);
976 while (bits
.length
% 256 != 0) {
979 // Truncate hash to suit number of words
980 mnemonicLength
= parseInt(mnemonicLength
);
981 var numberOfBits
= 32 * mnemonicLength
/ 3;
982 bits
= bits
.substring(0, numberOfBits
);
984 // Discard trailing entropy
985 var bitsToUse
= Math
.floor(bits
.length
/ 32) * 32;
986 var start
= bits
.length
- bitsToUse
;
987 var binaryStr
= bits
.substring(start
);
988 // Convert entropy string to numeric array
990 for (var i
=0; i
<binaryStr
.length
/ 8; i
++) {
991 var byteAsBits
= binaryStr
.substring(i
*8, i
*8+8);
992 var entropyByte
= parseInt(byteAsBits
, 2);
993 entropyArr
.push(entropyByte
)
995 // Convert entropy array to mnemonic
996 var phrase
= mnemonic
.toMnemonic(entropyArr
);
997 // Set the mnemonic in the UI
998 DOM
.phrase
.val(phrase
);
1001 function clearEntropyFeedback() {
1002 DOM
.entropyCrackTime
.text("...");
1003 DOM
.entropyType
.text("");
1004 DOM
.entropyWordCount
.text("0");
1005 DOM
.entropyEventCount
.text("0");
1006 DOM
.entropyBitsPerEvent
.text("0");
1007 DOM
.entropyBits
.text("0");
1008 DOM
.entropyFiltered
.html(" ");
1009 DOM
.entropyBinary
.html(" ");
1012 function showEntropyFeedback(entropy
) {
1013 var numberOfBits
= entropy
.binaryStr
.length
;
1014 var timeToCrack
= "unknown";
1016 var z
= zxcvbn(entropy
.base
.parts
.join(""));
1017 timeToCrack
= z
.crack_times_display
.offline_fast_hashing_1e10_per_second
;
1018 if (z
.feedback
.warning
!= "") {
1019 timeToCrack
= timeToCrack
+ " - " + z
.feedback
.warning
;
1023 console
.log("Error detecting entropy strength with zxcvbn:");
1026 var entropyTypeStr
= getEntropyTypeStr(entropy
);
1027 var wordCount
= Math
.floor(numberOfBits
/ 32) * 3;
1028 var bitsPerEvent
= entropy
.bitsPerEvent
.toFixed(2);
1029 DOM
.entropyFiltered
.html(entropy
.cleanHtml
);
1030 DOM
.entropyType
.text(entropyTypeStr
);
1031 DOM
.entropyCrackTime
.text(timeToCrack
);
1032 DOM
.entropyEventCount
.text(entropy
.base
.ints
.length
);
1033 DOM
.entropyBits
.text(numberOfBits
);
1034 DOM
.entropyWordCount
.text(wordCount
);
1035 DOM
.entropyBinary
.text(entropy
.binaryStr
);
1036 DOM
.entropyBitsPerEvent
.text(bitsPerEvent
);
1039 function getEntropyTypeStr(entropy
) {
1040 var typeStr
= entropy
.base
.str
;
1041 // Add some detail if these are cards
1042 if (entropy
.base
.asInt
== 52) {
1043 var cardDetail
= []; // array of message strings
1044 // Detect duplicates
1046 var dupeTracker
= {};
1047 for (var i
=0; i
<entropy
.base
.parts
.length
; i
++) {
1048 var card
= entropy
.base
.parts
[i
];
1049 var cardUpper
= card
.toUpperCase();
1050 if (cardUpper
in dupeTracker
) {
1053 dupeTracker
[cardUpper
] = true;
1055 if (dupes
.length
> 0) {
1056 var dupeWord
= "duplicates";
1057 if (dupes
.length
== 1) {
1058 dupeWord
= "duplicate";
1060 var msg
= dupes
.length
+ " " + dupeWord
+ ": " + dupes
.slice(0,3).join(" ");
1061 if (dupes
.length
> 3) {
1064 cardDetail
.push(msg
);
1067 var uniqueCards
= [];
1068 for (var uniqueCard
in dupeTracker
) {
1069 uniqueCards
.push(uniqueCard
);
1071 if (uniqueCards
.length
== 52) {
1072 cardDetail
.unshift("full deck");
1074 // Detect missing cards
1075 var values
= "A23456789TJQK";
1077 var missingCards
= [];
1078 for (var i
=0; i
<suits
.length
; i
++) {
1079 for (var j
=0; j
<values
.length
; j
++) {
1080 var card
= values
[j
] + suits
[i
];
1081 if (!(card
in dupeTracker
)) {
1082 missingCards
.push(card
);
1086 // Display missing cards if six or less, ie clearly going for full deck
1087 if (missingCards
.length
> 0 && missingCards
.length
<= 6) {
1088 var msg
= missingCards
.length
+ " missing: " + missingCards
.slice(0,3).join(" ");
1089 if (missingCards
.length
> 3) {
1092 cardDetail
.push(msg
);
1094 // Add card details to typeStr
1095 if (cardDetail
.length
> 0) {
1096 typeStr
+= " (" + cardDetail
.join(", ") + ")";
1102 function setQrEvents(els
) {
1103 els
.on("mouseenter", createQr
);
1104 els
.on("mouseleave", destroyQr
);
1105 els
.on("click", toggleQr
);
1108 function createQr(e
) {
1109 var content
= e
.target
.textContent
|| e
.target
.value
;
1112 DOM
.qrImage
.qrcode({width: size
, height: size
, text: content
});
1114 DOM
.qrHider
.addClass("hidden");
1117 DOM
.qrHider
.removeClass("hidden");
1119 DOM
.qrContainer
.removeClass("hidden");
1123 function destroyQr() {
1124 DOM
.qrImage
.text("");
1125 DOM
.qrContainer
.addClass("hidden");
1128 function toggleQr() {
1130 DOM
.qrHider
.toggleClass("hidden");
1131 DOM
.qrHint
.toggleClass("hidden");
1134 function bip44TabSelected() {
1135 return DOM
.bip44tab
.hasClass("active");
1138 function bip32TabSelected() {
1139 return DOM
.bip32tab
.hasClass("active");
1142 function networkHasBip49() {
1143 return networks
[DOM
.network
.val()].bip49available
;
1146 function bip49TabSelected() {
1147 return DOM
.bip49tab
.hasClass("active");
1150 function setHdCoin(coinValue
) {
1151 DOM
.bip44coin
.val(coinValue
);
1152 DOM
.bip49coin
.val(coinValue
);
1155 function showBip49() {
1156 DOM
.bip49unavailable
.addClass("hidden");
1157 DOM
.bip49available
.removeClass("hidden");
1160 function hideBip49() {
1161 DOM
.bip49available
.addClass("hidden");
1162 DOM
.bip49unavailable
.removeClass("hidden");
1167 name: "BTC - Bitcoin",
1168 bip49available: true,
1169 onSelect: function() {
1170 network
= bitcoinjs
.bitcoin
.networks
.bitcoin
;
1175 name: "BTC - Bitcoin Testnet",
1176 bip49available: true,
1177 onSelect: function() {
1178 network
= bitcoinjs
.bitcoin
.networks
.testnet
;
1183 name: "CLAM - Clams",
1184 bip49available: false,
1185 onSelect: function() {
1186 network
= bitcoinjs
.bitcoin
.networks
.clam
;
1191 name: "CRW - Crown",
1192 bip49available: false,
1193 onSelect: function() {
1194 network
= bitcoinjs
.bitcoin
.networks
.crown
;
1199 name: "DASH - Dash",
1200 bip49available: false,
1201 onSelect: function() {
1202 network
= bitcoinjs
.bitcoin
.networks
.dash
;
1207 name: "DASH - Dash Testnet",
1208 bip49available: false,
1209 onSelect: function() {
1210 network
= bitcoinjs
.bitcoin
.networks
.dashtn
;
1215 name: "DOGE - Dogecoin",
1216 bip49available: false,
1217 onSelect: function() {
1218 network
= bitcoinjs
.bitcoin
.networks
.dogecoin
;
1223 name: "ETH - Ethereum",
1224 bip49available: false,
1225 onSelect: function() {
1226 network
= bitcoinjs
.bitcoin
.networks
.bitcoin
;
1231 name: "GAME - GameCredits",
1232 bip49available: false,
1233 onSelect: function() {
1234 network
= bitcoinjs
.bitcoin
.networks
.game
;
1239 name: "JBS - Jumbucks",
1240 bip49available: false,
1241 onSelect: function() {
1242 network
= bitcoinjs
.bitcoin
.networks
.jumbucks
;
1247 name: "LTC - Litecoin",
1248 bip49available: false,
1249 onSelect: function() {
1250 network
= bitcoinjs
.bitcoin
.networks
.litecoin
;
1255 name: "NMC - Namecoin",
1256 bip49available: false,
1257 onSelect: function() {
1258 network
= bitcoinjs
.bitcoin
.networks
.namecoin
;
1263 name: "PPC - Peercoin",
1264 bip49available: false,
1265 onSelect: function() {
1266 network
= bitcoinjs
.bitcoin
.networks
.peercoin
;
1271 name: "SDC - ShadowCash",
1272 bip49available: false,
1273 onSelect: function() {
1274 network
= bitcoinjs
.bitcoin
.networks
.shadow
;
1279 name: "SDC - ShadowCash Testnet",
1280 bip49available: false,
1281 onSelect: function() {
1282 network
= bitcoinjs
.bitcoin
.networks
.shadowtn
;
1287 name: "SLM - Slimcoin",
1288 bip49available: false,
1289 onSelect: function() {
1290 network
= bitcoinjs
.bitcoin
.networks
.slimcoin
;
1295 name: "SLM - Slimcoin Testnet",
1296 bip49available: false,
1297 onSelect: function() {
1298 network
= bitcoinjs
.bitcoin
.networks
.slimcointn
;
1303 name: "VIA - Viacoin",
1304 bip49available: false,
1305 onSelect: function() {
1306 network
= bitcoinjs
.bitcoin
.networks
.viacoin
;
1311 name: "VIA - Viacoin Testnet",
1312 bip49available: false,
1313 onSelect: function() {
1314 network
= bitcoinjs
.bitcoin
.networks
.viacointestnet
;
1319 name: "XRP - Ripple",
1320 bip49available: false,
1321 onSelect: function() {
1322 network
= bitcoinjs
.bitcoin
.networks
.bitcoin
;
1330 name: "Bitcoin Core",
1331 onSelect: function() {
1332 DOM
.bip32path
.val("m/0'/0'");
1333 DOM
.hardenedAddresses
.prop('checked', true);
1337 name: "blockchain.info",
1338 onSelect: function() {
1339 DOM
.bip32path
.val("m/44'/0'/0'");
1340 DOM
.hardenedAddresses
.prop('checked', false);
1344 name: "MultiBit HD",
1345 onSelect: function() {
1346 DOM
.bip32path
.val("m/0'/0");
1347 DOM
.hardenedAddresses
.prop('checked', false);