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
.bip32panel
= $("#bip32");
51 DOM
.bip44panel
= $("#bip44");
52 DOM
.bip32path
= $("#bip32-path");
53 DOM
.bip44path
= $("#bip44-path");
54 DOM
.bip44purpose
= $("#bip44 .purpose");
55 DOM
.bip44coin
= $("#bip44 .coin");
56 DOM
.bip44account
= $("#bip44 .account");
57 DOM
.bip44accountXprv
= $("#bip44 .account-xprv");
58 DOM
.bip44accountXpub
= $("#bip44 .account-xpub");
59 DOM
.bip44change
= $("#bip44 .change");
60 DOM
.generatedStrength
= $(".generate-container .strength");
61 DOM
.hardenedAddresses
= $(".hardened-addresses");
62 DOM
.addresses
= $(".addresses");
63 DOM
.rowsToAdd
= $(".rows-to-add");
64 DOM
.more
= $(".more");
65 DOM
.feedback
= $(".feedback");
66 DOM
.tab
= $(".derivation-type a");
67 DOM
.indexToggle
= $(".index-toggle");
68 DOM
.addressToggle
= $(".address-toggle");
69 DOM
.publicKeyToggle
= $(".public-key-toggle");
70 DOM
.privateKeyToggle
= $(".private-key-toggle");
71 DOM
.languages
= $(".languages a");
72 DOM
.qrContainer
= $(".qr-container");
73 DOM
.qrHider
= DOM
.qrContainer
.find(".qr-hider");
74 DOM
.qrImage
= DOM
.qrContainer
.find(".qr-image");
75 DOM
.qrHint
= DOM
.qrContainer
.find(".qr-hint");
76 DOM
.showQrEls
= $("[data-show-qr]");
80 DOM
.network
.on("change", networkChanged
);
81 DOM
.bip32Client
.on("change", bip32ClientChanged
);
82 DOM
.useEntropy
.on("change", setEntropyVisibility
);
83 DOM
.entropy
.on("input", delayedEntropyChanged
);
84 DOM
.entropyMnemonicLength
.on("change", entropyChanged
);
85 DOM
.phrase
.on("input", delayedPhraseChanged
);
86 DOM
.passphrase
.on("input", delayedPhraseChanged
);
87 DOM
.generate
.on("click", generateClicked
);
88 DOM
.more
.on("click", showMore
);
89 DOM
.rootKey
.on("input", delayedRootKeyChanged
);
90 DOM
.bip32path
.on("input", calcForDerivationPath
);
91 DOM
.bip44account
.on("input", calcForDerivationPath
);
92 DOM
.bip44change
.on("input", calcForDerivationPath
);
93 DOM
.tab
.on("shown.bs.tab", calcForDerivationPath
);
94 DOM
.hardenedAddresses
.on("change", calcForDerivationPath
);
95 DOM
.indexToggle
.on("click", toggleIndexes
);
96 DOM
.addressToggle
.on("click", toggleAddresses
);
97 DOM
.publicKeyToggle
.on("click", togglePublicKeys
);
98 DOM
.privateKeyToggle
.on("click", togglePrivateKeys
);
99 DOM
.languages
.on("click", languageChanged
);
100 setQrEvents(DOM
.showQrEls
);
103 hideValidationError();
104 populateNetworkSelect();
105 populateClientSelect();
110 function networkChanged(e
) {
111 var networkIndex
= e
.target
.value
;
112 networks
[networkIndex
].onSelect();
121 function bip32ClientChanged(e
) {
122 var clientIndex
= DOM
.bip32Client
.val();
123 if (clientIndex
== "custom") {
124 DOM
.bip32path
.prop("readonly", false);
127 DOM
.bip32path
.prop("readonly", true);
128 clients
[clientIndex
].onSelect();
138 function setEntropyVisibility() {
139 if (isUsingOwnEntropy()) {
140 DOM
.entropyContainer
.removeClass("hidden");
141 DOM
.generateContainer
.addClass("hidden");
142 DOM
.phrase
.prop("readonly", true);
147 DOM
.entropyContainer
.addClass("hidden");
148 DOM
.generateContainer
.removeClass("hidden");
149 DOM
.phrase
.prop("readonly", false);
154 function delayedPhraseChanged() {
155 hideValidationError();
157 if (phraseChangeTimeoutEvent
!= null) {
158 clearTimeout(phraseChangeTimeoutEvent
);
160 phraseChangeTimeoutEvent
= setTimeout(phraseChanged
, 400);
163 function phraseChanged() {
165 hideValidationError();
166 setMnemonicLanguage();
167 // Get the mnemonic phrase
168 var phrase
= DOM
.phrase
.val();
169 var errorText
= findPhraseErrors(phrase
);
171 showValidationError(errorText
);
174 // Calculate and display
175 var passphrase
= DOM
.passphrase
.val();
176 calcBip32RootKeyFromSeed(phrase
, passphrase
);
177 calcForDerivationPath();
181 function delayedEntropyChanged() {
182 hideValidationError();
184 if (entropyChangeTimeoutEvent
!= null) {
185 clearTimeout(entropyChangeTimeoutEvent
);
187 entropyChangeTimeoutEvent
= setTimeout(entropyChanged
, 400);
190 function entropyChanged() {
191 // If blank entropy, clear mnemonic, addresses, errors
192 if (DOM
.entropy
.val().trim().length
== 0) {
194 clearEntropyFeedback();
196 showValidationError("Blank entropy");
199 // Get the current phrase to detect changes
200 var phrase
= DOM
.phrase
.val();
201 // Set the phrase from the entropy
202 setMnemonicFromEntropy();
203 // Recalc addresses if the phrase has changed
204 var newPhrase
= DOM
.phrase
.val();
205 if (newPhrase
!= phrase
) {
206 if (newPhrase
.length
== 0) {
218 function delayedRootKeyChanged() {
219 // Warn if there is an existing mnemonic or passphrase.
220 if (DOM
.phrase
.val().length
> 0 || DOM
.passphrase
.val().length
> 0) {
221 if (!confirm("This will clear existing mnemonic and passphrase")) {
222 DOM
.rootKey
.val(bip32RootKey
);
226 hideValidationError();
228 // Clear existing mnemonic and passphrase
230 DOM
.passphrase
.val("");
232 if (rootKeyChangedTimeoutEvent
!= null) {
233 clearTimeout(rootKeyChangedTimeoutEvent
);
235 rootKeyChangedTimeoutEvent
= setTimeout(rootKeyChanged
, 400);
238 function rootKeyChanged() {
240 hideValidationError();
241 // Validate the root key TODO
242 var rootKeyBase58
= DOM
.rootKey
.val();
243 var errorText
= validateRootKey(rootKeyBase58
);
245 showValidationError(errorText
);
248 // Calculate and display
249 calcBip32RootKeyFromBase58(rootKeyBase58
);
250 calcForDerivationPath();
253 function calcForDerivationPath() {
255 clearAddressesList();
256 hideValidationError();
257 // Get the derivation path
258 var derivationPath
= getDerivationPath();
259 var errorText
= findDerivationPathErrors(derivationPath
);
261 showValidationError(errorText
);
264 bip32ExtendedKey
= calcBip32ExtendedKey(derivationPath
);
265 if (bip44TabSelected()) {
272 function generateClicked() {
273 if (isUsingOwnEntropy()) {
278 setTimeout(function() {
279 setMnemonicLanguage();
280 var phrase
= generateRandomPhrase();
288 function languageChanged() {
289 setTimeout(function() {
290 setMnemonicLanguage();
291 if (DOM
.phrase
.val().length
> 0) {
292 var newPhrase
= convertPhraseToNewLanguage();
293 DOM
.phrase
.val(newPhrase
);
297 DOM
.generate
.trigger("click");
302 function toggleIndexes() {
303 showIndex
= !showIndex
;
304 $("td.index span").toggleClass("invisible");
307 function toggleAddresses() {
308 showAddress
= !showAddress
;
309 $("td.address span").toggleClass("invisible");
312 function togglePublicKeys() {
313 showPubKey
= !showPubKey
;
314 $("td.pubkey span").toggleClass("invisible");
317 function togglePrivateKeys() {
318 showPrivKey
= !showPrivKey
;
319 $("td.privkey span").toggleClass("invisible");
324 function generateRandomPhrase() {
325 if (!hasStrongRandom()) {
326 var errorText
= "This browser does not support strong randomness";
327 showValidationError(errorText
);
330 var numWords
= parseInt(DOM
.generatedStrength
.val());
331 var strength
= numWords
/ 3 * 32;
332 var words
= mnemonic
.generate(strength
);
333 DOM
.phrase
.val(words
);
337 function calcBip32RootKeyFromSeed(phrase
, passphrase
) {
338 seed
= mnemonic
.toSeed(phrase
, passphrase
);
339 bip32RootKey
= bitcoinjs
.bitcoin
.HDNode
.fromSeedHex(seed
, network
);
342 function calcBip32RootKeyFromBase58(rootKeyBase58
) {
343 bip32RootKey
= bitcoinjs
.bitcoin
.HDNode
.fromBase58(rootKeyBase58
, network
);
346 function calcBip32ExtendedKey(path
) {
347 // Check there's a root key to derive from
351 var extendedKey
= bip32RootKey
;
352 // Derive the key from the path
353 var pathBits
= path
.split("/");
354 for (var i
=0; i
<pathBits
.length
; i
++) {
355 var bit
= pathBits
[i
];
356 var index
= parseInt(bit
);
360 var hardened
= bit
[bit
.length
-1] == "'";
361 var isPriv
= !(extendedKey
.isNeutered());
362 var invalidDerivationPath
= hardened
&& !isPriv
;
363 if (invalidDerivationPath
) {
367 extendedKey
= extendedKey
.deriveHardened(index
);
370 extendedKey
= extendedKey
.derive(index
);
376 function showValidationError(errorText
) {
382 function hideValidationError() {
388 function findPhraseErrors(phrase
) {
389 // Preprocess the words
390 phrase
= mnemonic
.normalizeString(phrase
);
391 var words
= phraseToWordArray(phrase
);
392 // Detect blank phrase
393 if (words
.length
== 0) {
394 return "Blank mnemonic";
397 for (var i
=0; i
<words
.length
; i
++) {
399 var language
= getLanguage();
400 if (WORDLISTS
[language
].indexOf(word
) == -1) {
401 console
.log("Finding closest match to " + word
);
402 var nearestWord
= findNearestWord(word
);
403 return word
+ " not in wordlist, did you mean " + nearestWord
+ "?";
406 // Check the words are valid
407 var properPhrase
= wordArrayToPhrase(words
);
408 var isValid
= mnemonic
.check(properPhrase
);
410 return "Invalid mnemonic";
415 function validateRootKey(rootKeyBase58
) {
417 bitcoinjs
.bitcoin
.HDNode
.fromBase58(rootKeyBase58
);
420 return "Invalid root key";
425 function getDerivationPath() {
426 if (bip44TabSelected()) {
427 var purpose
= parseIntNoNaN(DOM
.bip44purpose
.val(), 44);
428 var coin
= parseIntNoNaN(DOM
.bip44coin
.val(), 0);
429 var account
= parseIntNoNaN(DOM
.bip44account
.val(), 0);
430 var change
= parseIntNoNaN(DOM
.bip44change
.val(), 0);
432 path
+= purpose
+ "'/";
434 path
+= account
+ "'/";
436 DOM
.bip44path
.val(path
);
437 var derivationPath
= DOM
.bip44path
.val();
438 console
.log("Using derivation path from BIP44 tab: " + derivationPath
);
439 return derivationPath
;
441 else if (bip32TabSelected()) {
442 var derivationPath
= DOM
.bip32path
.val();
443 console
.log("Using derivation path from BIP32 tab: " + derivationPath
);
444 return derivationPath
;
447 console
.log("Unknown derivation path");
451 function findDerivationPathErrors(path
) {
452 // TODO is not perfect but is better than nothing
454 // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#test-vectors
456 // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#extended-keys
457 var maxDepth
= 255; // TODO verify this!!
458 var maxIndexValue
= Math
.pow(2, 31); // TODO verify this!!
459 if (path
[0] != "m") {
460 return "First character must be 'm'";
462 if (path
.length
> 1) {
463 if (path
[1] != "/") {
464 return "Separator must be '/'";
466 var indexes
= path
.split("/");
467 if (indexes
.length
> maxDepth
) {
468 return "Derivation depth is " + indexes
.length
+ ", must be less than " + maxDepth
;
470 for (var depth
= 1; depth
<indexes
.length
; depth
++) {
471 var index
= indexes
[depth
];
472 var invalidChars
= index
.replace(/^[0-9]+'?$/g, "")
473 if (invalidChars
.length
> 0) {
474 return "Invalid characters " + invalidChars
+ " found at depth " + depth
;
476 var indexValue
= parseInt(index
.replace("'", ""));
478 return "Invalid number at depth " + depth
;
480 if (indexValue
> maxIndexValue
) {
481 return "Value of " + indexValue
+ " at depth " + depth
+ " must be less than " + maxIndexValue
;
485 // Check root key exists or else derivation path is useless!
487 return "No root key";
489 // Check no hardened derivation path when using xpub keys
490 var hardened
= path
.indexOf("'") > -1;
491 var isXpubkey
= bip32RootKey
.isNeutered();
492 if (hardened
&& isXpubkey
) {
493 return "Hardened derivation path is invalid with xpub key";
498 function displayBip44Info() {
499 // Get the derivation path for the account
500 var purpose
= parseIntNoNaN(DOM
.bip44purpose
.val(), 44);
501 var coin
= parseIntNoNaN(DOM
.bip44coin
.val(), 0);
502 var account
= parseIntNoNaN(DOM
.bip44account
.val(), 0);
504 path
+= purpose
+ "'/";
506 path
+= account
+ "'/";
507 // Calculate the account extended keys
508 var accountExtendedKey
= calcBip32ExtendedKey(path
);
509 var accountXprv
= accountExtendedKey
.toBase58();
510 var accountXpub
= accountExtendedKey
.neutered().toBase58();
511 // Display the extended keys
512 DOM
.bip44accountXprv
.val(accountXprv
);
513 DOM
.bip44accountXpub
.val(accountXpub
);
516 function displayBip32Info() {
519 var rootKey
= bip32RootKey
.toBase58();
520 DOM
.rootKey
.val(rootKey
);
521 var xprvkeyB58
= "NA";
522 if (!bip32ExtendedKey
.isNeutered()) {
523 xprvkeyB58
= bip32ExtendedKey
.toBase58();
525 var extendedPrivKey
= xprvkeyB58
;
526 DOM
.extendedPrivKey
.val(extendedPrivKey
);
527 var extendedPubKey
= bip32ExtendedKey
.neutered().toBase58();
528 DOM
.extendedPubKey
.val(extendedPubKey
);
529 // Display the addresses and privkeys
530 clearAddressesList();
531 displayAddresses(0, 20);
534 function displayAddresses(start
, total
) {
535 generationProcesses
.push(new (function() {
539 this.stop = function() {
540 for (var i
=0; i
<rows
.length
; i
++) {
541 rows
[i
].shouldGenerate
= false;
545 for (var i
=0; i
<total
; i
++) {
546 var index
= i
+ start
;
547 rows
.push(new TableRow(index
));
553 function TableRow(index
) {
556 this.shouldGenerate
= true;
557 var useHardenedAddresses
= DOM
.hardenedAddresses
.prop("checked");
563 function calculateValues() {
564 setTimeout(function() {
565 if (!self
.shouldGenerate
) {
569 if (useHardenedAddresses
) {
570 key
= bip32ExtendedKey
.deriveHardened(index
);
573 key
= bip32ExtendedKey
.derive(index
);
575 var address
= key
.getAddress().toString();
577 if (!key
.isNeutered()) {
578 privkey
= key
.keyPair
.toWIF(network
);
580 var pubkey
= key
.getPublicKeyBuffer().toString('hex');
581 var indexText
= getDerivationPath() + "/" + index
;
582 if (useHardenedAddresses
) {
583 indexText
= indexText
+ "'";
585 // Ethereum values are different
586 if (networks
[DOM
.network
.val()].name
== "ETH - Ethereum") {
587 var privKeyBuffer
= key
.keyPair
.d
.toBuffer();
588 privkey
= privKeyBuffer
.toString('hex');
589 var addressBuffer
= ethUtil
.privateToAddress(privKeyBuffer
);
590 var hexAddress
= addressBuffer
.toString('hex');
591 var checksumAddress
= ethUtil
.toChecksumAddress(hexAddress
);
592 address
= ethUtil
.addHexPrefix(checksumAddress
);
593 privkey
= ethUtil
.addHexPrefix(privkey
);
594 pubkey
= ethUtil
.addHexPrefix(pubkey
);
596 // Ripple values are different
597 if (networks
[DOM
.network
.val()].name
== "XRP - Ripple") {
598 privkey
= convertRipplePriv(privkey
);
599 address
= convertRippleAdrr(address
);
601 addAddressToList(indexText
, address
, pubkey
, privkey
);
609 function showMore() {
610 var start
= DOM
.addresses
.children().length
;
611 var rowsToAdd
= parseInt(DOM
.rowsToAdd
.val());
612 if (isNaN(rowsToAdd
)) {
614 DOM
.rowsToAdd
.val("20");
616 if (rowsToAdd
> 200) {
617 var msg
= "Generating " + rowsToAdd
+ " rows could take a while. ";
618 msg
+= "Do you want to continue?";
623 displayAddresses(start
, rowsToAdd
);
626 function clearDisplay() {
627 clearAddressesList();
629 hideValidationError();
632 function clearAddressesList() {
633 DOM
.addresses
.empty();
637 function stopGenerating() {
638 while (generationProcesses
.length
> 0) {
639 var generation
= generationProcesses
.shift();
644 function clearKey() {
646 DOM
.extendedPrivKey
.val("");
647 DOM
.extendedPubKey
.val("");
650 function addAddressToList(indexText
, address
, pubkey
, privkey
) {
651 var row
= $(addressRowTemplate
.html());
653 var indexCell
= row
.find(".index span");
654 var addressCell
= row
.find(".address span");
655 var pubkeyCell
= row
.find(".pubkey span");
656 var privkeyCell
= row
.find(".privkey span");
658 indexCell
.text(indexText
);
659 addressCell
.text(address
);
660 pubkeyCell
.text(pubkey
);
661 privkeyCell
.text(privkey
);
664 indexCell
.addClass("invisible");
667 addressCell
.addClass("invisible");
670 pubkeyCell
.addClass("invisible");
673 privkeyCell
.addClass("invisible");
675 DOM
.addresses
.append(row
);
676 var rowShowQrEls
= row
.find("[data-show-qr]");
677 setQrEvents(rowShowQrEls
);
680 function hasStrongRandom() {
681 return 'crypto' in window
&& window
['crypto'] !== null;
684 function disableForms() {
685 $("form").on("submit", function(e
) {
690 function parseIntNoNaN(val
, defaultVal
) {
691 var v
= parseInt(val
);
698 function showPending() {
700 .text("Calculating...")
704 function findNearestWord(word
) {
705 var language
= getLanguage();
706 var words
= WORDLISTS
[language
];
707 var minDistance
= 99;
708 var closestWord
= words
[0];
709 for (var i
=0; i
<words
.length
; i
++) {
710 var comparedTo
= words
[i
];
711 if (comparedTo
.indexOf(word
) == 0) {
714 var distance
= Levenshtein
.get(word
, comparedTo
);
715 if (distance
< minDistance
) {
716 closestWord
= comparedTo
;
717 minDistance
= distance
;
723 function hidePending() {
729 function populateNetworkSelect() {
730 for (var i
=0; i
<networks
.length
; i
++) {
731 var network
= networks
[i
];
732 var option
= $("<option>");
733 option
.attr("value", i
);
734 option
.text(network
.name
);
735 DOM
.phraseNetwork
.append(option
);
739 function populateClientSelect() {
740 for (var i
=0; i
<clients
.length
; i
++) {
741 var client
= clients
[i
];
742 var option
= $("<option>");
743 option
.attr("value", i
);
744 option
.text(client
.name
);
745 DOM
.bip32Client
.append(option
);
749 function getLanguage() {
750 var defaultLanguage
= "english";
751 // Try to get from existing phrase
752 var language
= getLanguageFromPhrase();
753 // Try to get from url if not from phrase
754 if (language
.length
== 0) {
755 language
= getLanguageFromUrl();
757 // Default to English if no other option
758 if (language
.length
== 0) {
759 language
= defaultLanguage
;
764 function getLanguageFromPhrase(phrase
) {
765 // Check if how many words from existing phrase match a language.
768 phrase
= DOM
.phrase
.val();
770 if (phrase
.length
> 0) {
771 var words
= phraseToWordArray(phrase
);
772 var languageMatches
= {};
773 for (l
in WORDLISTS
) {
774 // Track how many words match in this language
775 languageMatches
[l
] = 0;
776 for (var i
=0; i
<words
.length
; i
++) {
777 var wordInLanguage
= WORDLISTS
[l
].indexOf(words
[i
]) > -1;
778 if (wordInLanguage
) {
779 languageMatches
[l
]++;
782 // Find languages with most word matches.
783 // This is made difficult due to commonalities between Chinese
784 // simplified vs traditional.
786 var mostMatchedLanguages
= [];
787 for (var l
in languageMatches
) {
788 var numMatches
= languageMatches
[l
];
789 if (numMatches
> mostMatches
) {
790 mostMatches
= numMatches
;
791 mostMatchedLanguages
= [l
];
793 else if (numMatches
== mostMatches
) {
794 mostMatchedLanguages
.push(l
);
798 if (mostMatchedLanguages
.length
> 0) {
799 // Use first language and warn if multiple detected
800 language
= mostMatchedLanguages
[0];
801 if (mostMatchedLanguages
.length
> 1) {
802 console
.warn("Multiple possible languages");
803 console
.warn(mostMatchedLanguages
);
810 function getLanguageFromUrl() {
811 for (var language
in WORDLISTS
) {
812 if (window
.location
.hash
.indexOf(language
) > -1) {
819 function setMnemonicLanguage() {
820 var language
= getLanguage();
821 // Load the bip39 mnemonic generator for this language if required
822 if (!(language
in mnemonics
)) {
823 mnemonics
[language
] = new Mnemonic(language
);
825 mnemonic
= mnemonics
[language
];
828 function convertPhraseToNewLanguage() {
829 var oldLanguage
= getLanguageFromPhrase();
830 var newLanguage
= getLanguageFromUrl();
831 var oldPhrase
= DOM
.phrase
.val();
832 var oldWords
= phraseToWordArray(oldPhrase
);
834 for (var i
=0; i
<oldWords
.length
; i
++) {
835 var oldWord
= oldWords
[i
];
836 var index
= WORDLISTS
[oldLanguage
].indexOf(oldWord
);
837 var newWord
= WORDLISTS
[newLanguage
][index
];
838 newWords
.push(newWord
);
840 newPhrase
= wordArrayToPhrase(newWords
);
844 // TODO look at jsbip39 - mnemonic.splitWords
845 function phraseToWordArray(phrase
) {
846 var words
= phrase
.split(/\s/g);
848 for (var i
=0; i
<words
.length
; i
++) {
850 if (word
.length
> 0) {
857 // TODO look at jsbip39 - mnemonic.joinWords
858 function wordArrayToPhrase(words
) {
859 var phrase
= words
.join(" ");
860 var language
= getLanguageFromPhrase(phrase
);
861 if (language
== "japanese") {
862 phrase
= words
.join("\u3000");
867 function isUsingOwnEntropy() {
868 return DOM
.useEntropy
.prop("checked");
871 function setMnemonicFromEntropy() {
872 clearEntropyFeedback();
874 var entropyStr
= DOM
.entropy
.val();
875 // Work out minimum base for entropy
876 var entropy
= Entropy
.fromString(entropyStr
);
877 if (entropy
.binaryStr
.length
== 0) {
880 // Show entropy details
881 showEntropyFeedback(entropy
);
882 // Use entropy hash if not using raw entropy
883 var bits
= entropy
.binaryStr
;
884 var mnemonicLength
= DOM
.entropyMnemonicLength
.val();
885 if (mnemonicLength
!= "raw") {
886 // Get bits by hashing entropy with SHA256
887 var hash
= sjcl
.hash
.sha256
.hash(entropy
.cleanStr
);
888 var hex
= sjcl
.codec
.hex
.fromBits(hash
);
889 bits
= BigInteger
.parse(hex
, 16).toString(2);
890 while (bits
.length
% 256 != 0) {
893 // Truncate hash to suit number of words
894 mnemonicLength
= parseInt(mnemonicLength
);
895 var numberOfBits
= 32 * mnemonicLength
/ 3;
896 bits
= bits
.substring(0, numberOfBits
);
898 // Discard trailing entropy
899 var bitsToUse
= Math
.floor(bits
.length
/ 32) * 32;
900 var start
= bits
.length
- bitsToUse
;
901 var binaryStr
= bits
.substring(start
);
902 // Convert entropy string to numeric array
904 for (var i
=0; i
<binaryStr
.length
/ 8; i
++) {
905 var byteAsBits
= binaryStr
.substring(i
*8, i
*8+8);
906 var entropyByte
= parseInt(byteAsBits
, 2);
907 entropyArr
.push(entropyByte
)
909 // Convert entropy array to mnemonic
910 var phrase
= mnemonic
.toMnemonic(entropyArr
);
911 // Set the mnemonic in the UI
912 DOM
.phrase
.val(phrase
);
915 function clearEntropyFeedback() {
916 DOM
.entropyCrackTime
.text("...");
917 DOM
.entropyType
.text("");
918 DOM
.entropyWordCount
.text("0");
919 DOM
.entropyEventCount
.text("0");
920 DOM
.entropyBitsPerEvent
.text("0");
921 DOM
.entropyBits
.text("0");
922 DOM
.entropyFiltered
.html(" ");
923 DOM
.entropyBinary
.html(" ");
926 function showEntropyFeedback(entropy
) {
927 var numberOfBits
= entropy
.binaryStr
.length
;
928 var timeToCrack
= "unknown";
930 var z
= zxcvbn(entropy
.base
.parts
.join(""));
931 timeToCrack
= z
.crack_times_display
.offline_fast_hashing_1e10_per_second
;
932 if (z
.feedback
.warning
!= "") {
933 timeToCrack
= timeToCrack
+ " - " + z
.feedback
.warning
;
937 console
.log("Error detecting entropy strength with zxcvbn:");
940 var entropyTypeStr
= getEntropyTypeStr(entropy
);
941 var wordCount
= Math
.floor(numberOfBits
/ 32) * 3;
942 var bitsPerEvent
= entropy
.bitsPerEvent
.toFixed(2);
943 DOM
.entropyFiltered
.html(entropy
.cleanHtml
);
944 DOM
.entropyType
.text(entropyTypeStr
);
945 DOM
.entropyCrackTime
.text(timeToCrack
);
946 DOM
.entropyEventCount
.text(entropy
.base
.ints
.length
);
947 DOM
.entropyBits
.text(numberOfBits
);
948 DOM
.entropyWordCount
.text(wordCount
);
949 DOM
.entropyBinary
.text(entropy
.binaryStr
);
950 DOM
.entropyBitsPerEvent
.text(bitsPerEvent
);
953 function getEntropyTypeStr(entropy
) {
954 var typeStr
= entropy
.base
.str
;
955 // Add some detail if these are cards
956 if (entropy
.base
.asInt
== 52) {
957 var cardDetail
= []; // array of message strings
960 var dupeTracker
= {};
961 for (var i
=0; i
<entropy
.base
.parts
.length
; i
++) {
962 var card
= entropy
.base
.parts
[i
];
963 var cardUpper
= card
.toUpperCase();
964 if (cardUpper
in dupeTracker
) {
967 dupeTracker
[cardUpper
] = true;
969 if (dupes
.length
> 0) {
970 var dupeWord
= "duplicates";
971 if (dupes
.length
== 1) {
972 dupeWord
= "duplicate";
974 var msg
= dupes
.length
+ " " + dupeWord
+ ": " + dupes
.slice(0,3).join(" ");
975 if (dupes
.length
> 3) {
978 cardDetail
.push(msg
);
981 var uniqueCards
= [];
982 for (var uniqueCard
in dupeTracker
) {
983 uniqueCards
.push(uniqueCard
);
985 if (uniqueCards
.length
== 52) {
986 cardDetail
.unshift("full deck");
988 // Detect missing cards
989 var values
= "A23456789TJQK";
991 var missingCards
= [];
992 for (var i
=0; i
<suits
.length
; i
++) {
993 for (var j
=0; j
<values
.length
; j
++) {
994 var card
= values
[j
] + suits
[i
];
995 if (!(card
in dupeTracker
)) {
996 missingCards
.push(card
);
1000 // Display missing cards if six or less, ie clearly going for full deck
1001 if (missingCards
.length
> 0 && missingCards
.length
<= 6) {
1002 var msg
= missingCards
.length
+ " missing: " + missingCards
.slice(0,3).join(" ");
1003 if (missingCards
.length
> 3) {
1006 cardDetail
.push(msg
);
1008 // Add card details to typeStr
1009 if (cardDetail
.length
> 0) {
1010 typeStr
+= " (" + cardDetail
.join(", ") + ")";
1016 function setQrEvents(els
) {
1017 els
.on("mouseenter", createQr
);
1018 els
.on("mouseleave", destroyQr
);
1019 els
.on("click", toggleQr
);
1022 function createQr(e
) {
1023 var content
= e
.target
.textContent
|| e
.target
.value
;
1026 DOM
.qrImage
.qrcode({width: size
, height: size
, text: content
});
1028 DOM
.qrHider
.addClass("hidden");
1031 DOM
.qrHider
.removeClass("hidden");
1033 DOM
.qrContainer
.removeClass("hidden");
1037 function destroyQr() {
1038 DOM
.qrImage
.text("");
1039 DOM
.qrContainer
.addClass("hidden");
1042 function toggleQr() {
1044 DOM
.qrHider
.toggleClass("hidden");
1045 DOM
.qrHint
.toggleClass("hidden");
1048 function bip44TabSelected() {
1049 return DOM
.bip44tab
.hasClass("active");
1052 function bip32TabSelected() {
1053 return DOM
.bip32tab
.hasClass("active");
1058 name: "BTC - Bitcoin",
1059 onSelect: function() {
1060 network
= bitcoinjs
.bitcoin
.networks
.bitcoin
;
1061 DOM
.bip44coin
.val(0);
1065 name: "BTC - Bitcoin Testnet",
1066 onSelect: function() {
1067 network
= bitcoinjs
.bitcoin
.networks
.testnet
;
1068 DOM
.bip44coin
.val(1);
1072 name: "CLAM - Clams",
1073 onSelect: function() {
1074 network
= bitcoinjs
.bitcoin
.networks
.clam
;
1075 DOM
.bip44coin
.val(23);
1079 name: "CRW - Crown",
1080 onSelect: function() {
1081 network
= bitcoin
.networks
.crown
;
1082 DOM
.bip44coin
.val(72);
1086 name: "DASH - Dash",
1087 onSelect: function() {
1088 network
= bitcoinjs
.bitcoin
.networks
.dash
;
1089 DOM
.bip44coin
.val(5);
1093 name: "DASH - Dash Testnet",
1094 onSelect: function() {
1095 network
= bitcoinjs
.bitcoin
.networks
.dashtn
;
1096 DOM
.bip44coin
.val(1);
1100 name: "DOGE - Dogecoin",
1101 onSelect: function() {
1102 network
= bitcoin
.networks
.dogecoin
;
1103 DOM
.bip44coin
.val(3);
1107 name: "ETH - Ethereum",
1108 onSelect: function() {
1109 network
= bitcoinjs
.bitcoin
.networks
.bitcoin
;
1110 DOM
.bip44coin
.val(60);
1114 name: "GAME - GameCredits",
1115 onSelect: function() {
1116 network
= bitcoinjs
.bitcoin
.networks
.game
;
1117 DOM
.bip44coin
.val(101);
1121 name: "JBS - Jumbucks",
1122 onSelect: function() {
1123 network
= bitcoinjs
.bitcoin
.networks
.jumbucks
;
1124 DOM
.bip44coin
.val(26);
1128 name: "LTC - Litecoin",
1129 onSelect: function() {
1130 network
= bitcoinjs
.bitcoin
.networks
.litecoin
;
1131 DOM
.bip44coin
.val(2);
1135 name: "NMC - Namecoin",
1136 onSelect: function() {
1137 network
= bitcoinjs
.bitcoin
.networks
.namecoin
;
1138 DOM
.bip44coin
.val(7);
1142 name: "PPC - Peercoin",
1143 onSelect: function() {
1144 network
= bitcoinjs
.bitcoin
.networks
.peercoin
;
1145 DOM
.bip44coin
.val(6);
1149 name: "SDC - ShadowCash",
1150 onSelect: function() {
1151 network
= bitcoinjs
.bitcoin
.networks
.shadow
;
1152 DOM
.bip44coin
.val(35);
1156 name: "SDC - ShadowCash Testnet",
1157 onSelect: function() {
1158 network
= bitcoinjs
.bitcoin
.networks
.shadowtn
;
1159 DOM
.bip44coin
.val(1);
1163 name: "SLM - Slimcoin",
1164 onSelect: function() {
1165 network
= bitcoinjs
.bitcoin
.networks
.slimcoin
;
1166 DOM
.bip44coin
.val(63);
1170 name: "SLM - Slimcoin Testnet",
1171 onSelect: function() {
1172 network
= bitcoinjs
.bitcoin
.networks
.slimcointn
;
1173 DOM
.bip44coin
.val(111);
1177 name: "VIA - Viacoin",
1178 onSelect: function() {
1179 network
= bitcoinjs
.bitcoin
.networks
.viacoin
;
1180 DOM
.bip44coin
.val(14);
1184 name: "VIA - Viacoin Testnet",
1185 onSelect: function() {
1186 network
= bitcoinjs
.bitcoin
.networks
.viacointestnet
;
1187 DOM
.bip44coin
.val(1);
1191 name: "XRP - Ripple",
1192 onSelect: function() {
1193 network
= bitcoin
.networks
.bitcoin
;
1194 DOM
.bip44coin
.val(144);
1201 name: "Bitcoin Core",
1202 onSelect: function() {
1203 DOM
.bip32path
.val("m/0'/0'");
1204 DOM
.hardenedAddresses
.prop('checked', true);
1208 name: "blockchain.info",
1209 onSelect: function() {
1210 DOM
.bip32path
.val("m/44'/0'/0'");
1211 DOM
.hardenedAddresses
.prop('checked', false);
1215 name: "MultiBit HD",
1216 onSelect: function() {
1217 DOM
.bip32path
.val("m/0'/0");
1218 DOM
.hardenedAddresses
.prop('checked', false);