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
= bitcoin
.networks
.bitcoin
;
10 var addressRowTemplate
= $("#address-row-template");
13 var showAddress
= true;
14 var showPubKey
= true;
15 var showPrivKey
= true;
17 var phraseChangeTimeoutEvent
= null;
18 var rootKeyChangedTimeoutEvent
= null;
21 DOM
.network
= $(".network");
22 DOM
.phraseNetwork
= $("#network-phrase");
23 DOM
.phrase
= $(".phrase");
24 DOM
.passphrase
= $(".passphrase");
25 DOM
.generate
= $(".generate");
26 DOM
.seed
= $(".seed");
27 DOM
.rootKey
= $(".root-key");
28 DOM
.extendedPrivKey
= $(".extended-priv-key");
29 DOM
.extendedPubKey
= $(".extended-pub-key");
30 DOM
.bip32tab
= $("#bip32-tab");
31 DOM
.bip44tab
= $("#bip44-tab");
32 DOM
.bip32panel
= $("#bip32");
33 DOM
.bip44panel
= $("#bip44");
34 DOM
.bip32path
= $("#bip32-path");
35 DOM
.bip44path
= $("#bip44-path");
36 DOM
.bip44purpose
= $("#bip44 .purpose");
37 DOM
.bip44coin
= $("#bip44 .coin");
38 DOM
.bip44account
= $("#bip44 .account");
39 DOM
.bip44change
= $("#bip44 .change");
40 DOM
.strength
= $(".strength");
41 DOM
.hardenedAddresses
= $(".hardened-addresses");
42 DOM
.addresses
= $(".addresses");
43 DOM
.rowsToAdd
= $(".rows-to-add");
44 DOM
.more
= $(".more");
45 DOM
.feedback
= $(".feedback");
46 DOM
.tab
= $(".derivation-type a");
47 DOM
.indexToggle
= $(".index-toggle");
48 DOM
.addressToggle
= $(".address-toggle");
49 DOM
.publicKeyToggle
= $(".public-key-toggle");
50 DOM
.privateKeyToggle
= $(".private-key-toggle");
51 DOM
.languages
= $(".languages a");
55 DOM
.network
.on("change", networkChanged
);
56 DOM
.phrase
.on("input", delayedPhraseChanged
);
57 DOM
.passphrase
.on("input", delayedPhraseChanged
);
58 DOM
.generate
.on("click", generateClicked
);
59 DOM
.more
.on("click", showMore
);
60 DOM
.rootKey
.on("input", delayedRootKeyChanged
);
61 DOM
.bip32path
.on("input", calcForDerivationPath
);
62 DOM
.bip44purpose
.on("input", calcForDerivationPath
);
63 DOM
.bip44coin
.on("input", calcForDerivationPath
);
64 DOM
.bip44account
.on("input", calcForDerivationPath
);
65 DOM
.bip44change
.on("input", calcForDerivationPath
);
66 DOM
.tab
.on("shown.bs.tab", calcForDerivationPath
);
67 DOM
.hardenedAddresses
.on("change", calcForDerivationPath
);
68 DOM
.indexToggle
.on("click", toggleIndexes
);
69 DOM
.addressToggle
.on("click", toggleAddresses
);
70 DOM
.publicKeyToggle
.on("click", togglePublicKeys
);
71 DOM
.privateKeyToggle
.on("click", togglePrivateKeys
);
72 DOM
.languages
.on("click", languageChanged
);
75 hideValidationError();
76 populateNetworkSelect();
81 function networkChanged(e
) {
82 var networkIndex
= e
.target
.value
;
83 networks
[networkIndex
].onSelect();
92 function delayedPhraseChanged() {
93 hideValidationError();
95 if (phraseChangeTimeoutEvent
!= null) {
96 clearTimeout(phraseChangeTimeoutEvent
);
98 phraseChangeTimeoutEvent
= setTimeout(phraseChanged
, 400);
101 function phraseChanged() {
103 hideValidationError();
104 setMnemonicLanguage();
105 // Get the mnemonic phrase
106 var phrase
= DOM
.phrase
.val();
107 var errorText
= findPhraseErrors(phrase
);
109 showValidationError(errorText
);
112 // Calculate and display
113 var passphrase
= DOM
.passphrase
.val();
114 calcBip32RootKeyFromSeed(phrase
, passphrase
);
115 calcForDerivationPath();
119 function delayedRootKeyChanged() {
120 // Warn if there is an existing mnemonic or passphrase.
121 if (DOM
.phrase
.val().length
> 0 || DOM
.passphrase
.val().length
> 0) {
122 if (!confirm("This will clear existing mnemonic and passphrase")) {
123 DOM
.rootKey
.val(bip32RootKey
);
127 hideValidationError();
129 // Clear existing mnemonic and passphrase
131 DOM
.passphrase
.val("");
133 if (rootKeyChangedTimeoutEvent
!= null) {
134 clearTimeout(rootKeyChangedTimeoutEvent
);
136 rootKeyChangedTimeoutEvent
= setTimeout(rootKeyChanged
, 400);
139 function rootKeyChanged() {
141 hideValidationError();
142 // Validate the root key TODO
143 var rootKeyBase58
= DOM
.rootKey
.val();
144 var errorText
= validateRootKey(rootKeyBase58
);
146 showValidationError(errorText
);
149 // Calculate and display
150 calcBip32RootKeyFromBase58(rootKeyBase58
);
151 calcForDerivationPath();
155 function calcForDerivationPath() {
157 hideValidationError();
158 // Get the derivation path
159 var derivationPath
= getDerivationPath();
160 var errorText
= findDerivationPathErrors(derivationPath
);
162 showValidationError(errorText
);
165 calcBip32ExtendedKey(derivationPath
);
170 function generateClicked() {
173 setTimeout(function() {
174 setMnemonicLanguage();
175 var phrase
= generateRandomPhrase();
183 function languageChanged() {
184 setTimeout(function() {
185 setMnemonicLanguage();
186 if (DOM
.phrase
.val().length
> 0) {
187 var newPhrase
= convertPhraseToNewLanguage();
188 DOM
.phrase
.val(newPhrase
);
192 DOM
.generate
.trigger("click");
197 function toggleIndexes() {
198 showIndex
= !showIndex
;
199 $("td.index span").toggleClass("invisible");
202 function toggleAddresses() {
203 showAddress
= !showAddress
;
204 $("td.address span").toggleClass("invisible");
207 function togglePublicKeys() {
208 showPubKey
= !showPubKey
;
209 $("td.pubkey span").toggleClass("invisible");
212 function togglePrivateKeys() {
213 showPrivKey
= !showPrivKey
;
214 $("td.privkey span").toggleClass("invisible");
219 function generateRandomPhrase() {
220 if (!hasStrongRandom()) {
221 var errorText
= "This browser does not support strong randomness";
222 showValidationError(errorText
);
225 var numWords
= parseInt(DOM
.strength
.val());
226 var strength
= numWords
/ 3 * 32;
227 var words
= mnemonic
.generate(strength
);
228 DOM
.phrase
.val(words
);
232 function calcBip32RootKeyFromSeed(phrase
, passphrase
) {
233 seed
= mnemonic
.toSeed(phrase
, passphrase
);
234 bip32RootKey
= bitcoin
.HDNode
.fromSeedHex(seed
, network
);
237 function calcBip32RootKeyFromBase58(rootKeyBase58
) {
238 bip32RootKey
= bitcoin
.HDNode
.fromBase58(rootKeyBase58
, network
);
241 function calcBip32ExtendedKey(path
) {
242 bip32ExtendedKey
= bip32RootKey
;
243 // Derive the key from the path
244 var pathBits
= path
.split("/");
245 for (var i
=0; i
<pathBits
.length
; i
++) {
246 var bit
= pathBits
[i
];
247 var index
= parseInt(bit
);
251 var hardened
= bit
[bit
.length
-1] == "'";
253 bip32ExtendedKey
= bip32ExtendedKey
.deriveHardened(index
);
256 bip32ExtendedKey
= bip32ExtendedKey
.derive(index
);
261 function showValidationError(errorText
) {
267 function hideValidationError() {
273 function findPhraseErrors(phrase
) {
274 // TODO make this right
275 // Preprocess the words
276 phrase
= mnemonic
.normalizeString(phrase
);
277 var words
= phraseToWordArray(phrase
);
279 for (var i
=0; i
<words
.length
; i
++) {
281 var language
= getLanguage();
282 if (WORDLISTS
[language
].indexOf(word
) == -1) {
283 console
.log("Finding closest match to " + word
);
284 var nearestWord
= findNearestWord(word
);
285 return word
+ " not in wordlist, did you mean " + nearestWord
+ "?";
288 // Check the words are valid
289 var properPhrase
= wordArrayToPhrase(words
);
290 var isValid
= mnemonic
.check(properPhrase
);
292 return "Invalid mnemonic";
297 function validateRootKey(rootKeyBase58
) {
299 bitcoin
.HDNode
.fromBase58(rootKeyBase58
);
302 return "Invalid root key";
307 function getDerivationPath() {
308 if (DOM
.bip44tab
.hasClass("active")) {
309 var purpose
= parseIntNoNaN(DOM
.bip44purpose
.val(), 44);
310 var coin
= parseIntNoNaN(DOM
.bip44coin
.val(), 0);
311 var account
= parseIntNoNaN(DOM
.bip44account
.val(), 0);
312 var change
= parseIntNoNaN(DOM
.bip44change
.val(), 0);
314 path
+= purpose
+ "'/";
316 path
+= account
+ "'/";
318 DOM
.bip44path
.val(path
);
319 var derivationPath
= DOM
.bip44path
.val();
320 console
.log("Using derivation path from BIP44 tab: " + derivationPath
);
321 return derivationPath
;
323 else if (DOM
.bip32tab
.hasClass("active")) {
324 var derivationPath
= DOM
.bip32path
.val();
325 console
.log("Using derivation path from BIP32 tab: " + derivationPath
);
326 return derivationPath
;
329 console
.log("Unknown derivation path");
333 function findDerivationPathErrors(path
) {
334 // TODO is not perfect but is better than nothing
336 // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#test-vectors
338 // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#extended-keys
339 var maxDepth
= 255; // TODO verify this!!
340 var maxIndexValue
= Math
.pow(2, 31); // TODO verify this!!
341 if (path
[0] != "m") {
342 return "First character must be 'm'";
344 if (path
.length
> 1) {
345 if (path
[1] != "/") {
346 return "Separator must be '/'";
348 var indexes
= path
.split("/");
349 if (indexes
.length
> maxDepth
) {
350 return "Derivation depth is " + indexes
.length
+ ", must be less than " + maxDepth
;
352 for (var depth
= 1; depth
<indexes
.length
; depth
++) {
353 var index
= indexes
[depth
];
354 var invalidChars
= index
.replace(/^[0-9]+'?$/g, "")
355 if (invalidChars
.length
> 0) {
356 return "Invalid characters " + invalidChars
+ " found at depth " + depth
;
358 var indexValue
= parseInt(index
.replace("'", ""));
360 return "Invalid number at depth " + depth
;
362 if (indexValue
> maxIndexValue
) {
363 return "Value of " + indexValue
+ " at depth " + depth
+ " must be less than " + maxIndexValue
;
370 function displayBip32Info() {
373 var rootKey
= bip32RootKey
.toBase58();
374 DOM
.rootKey
.val(rootKey
);
375 var extendedPrivKey
= bip32ExtendedKey
.toBase58();
376 DOM
.extendedPrivKey
.val(extendedPrivKey
);
377 var extendedPubKey
= bip32ExtendedKey
.toBase58(false);
378 DOM
.extendedPubKey
.val(extendedPubKey
);
379 // Display the addresses and privkeys
380 clearAddressesList();
381 displayAddresses(0, 20);
384 function displayAddresses(start
, total
) {
385 for (var i
=0; i
<total
; i
++) {
386 var index
= i
+ start
;
391 function TableRow(index
) {
393 var useHardenedAddresses
= DOM
.hardenedAddresses
.prop("checked");
399 function calculateValues() {
400 setTimeout(function() {
402 if (useHardenedAddresses
) {
403 key
= bip32ExtendedKey
.deriveHardened(index
);
406 key
= bip32ExtendedKey
.derive(index
);
408 var address
= key
.getAddress().toString();
409 var privkey
= key
.privKey
.toWIF(network
);
410 var pubkey
= key
.pubKey
.toHex();
411 var indexText
= getDerivationPath() + "/" + index
;
412 if (useHardenedAddresses
) {
413 indexText
= indexText
+ "'";
415 addAddressToList(indexText
, address
, pubkey
, privkey
);
423 function showMore() {
424 var start
= DOM
.addresses
.children().length
;
425 var rowsToAdd
= parseInt(DOM
.rowsToAdd
.val());
426 if (isNaN(rowsToAdd
)) {
428 DOM
.rowsToAdd
.val("20");
430 if (rowsToAdd
> 200) {
431 var msg
= "Generating " + rowsToAdd
+ " rows could take a while. ";
432 msg
+= "Do you want to continue?";
437 displayAddresses(start
, rowsToAdd
);
440 function clearDisplay() {
441 clearAddressesList();
443 hideValidationError();
446 function clearAddressesList() {
447 DOM
.addresses
.empty();
450 function clearKey() {
452 DOM
.extendedPrivKey
.val("");
453 DOM
.extendedPubKey
.val("");
456 function addAddressToList(indexText
, address
, pubkey
, privkey
) {
457 var row
= $(addressRowTemplate
.html());
459 var indexCell
= row
.find(".index span");
460 var addressCell
= row
.find(".address span");
461 var pubkeyCell
= row
.find(".pubkey span");
462 var privkeyCell
= row
.find(".privkey span");
464 indexCell
.text(indexText
);
465 addressCell
.text(address
);
466 pubkeyCell
.text(pubkey
);
467 privkeyCell
.text(privkey
);
470 indexCell
.addClass("invisible");
473 addressCell
.addClass("invisible");
476 pubkeyCell
.addClass("invisible");
479 privkeyCell
.addClass("invisible");
481 DOM
.addresses
.append(row
);
484 function hasStrongRandom() {
485 return 'crypto' in window
&& window
['crypto'] !== null;
488 function disableForms() {
489 $("form").on("submit", function(e
) {
494 function parseIntNoNaN(val
, defaultVal
) {
495 var v
= parseInt(val
);
502 function showPending() {
504 .text("Calculating...")
508 function findNearestWord(word
) {
509 var language
= getLanguage();
510 var words
= WORDLISTS
[language
];
511 var minDistance
= 99;
512 var closestWord
= words
[0];
513 for (var i
=0; i
<words
.length
; i
++) {
514 var comparedTo
= words
[i
];
515 var distance
= Levenshtein
.get(word
, comparedTo
);
516 if (distance
< minDistance
) {
517 closestWord
= comparedTo
;
518 minDistance
= distance
;
524 function hidePending() {
530 function populateNetworkSelect() {
531 for (var i
=0; i
<networks
.length
; i
++) {
532 var network
= networks
[i
];
533 var option
= $("<option>");
534 option
.attr("value", i
);
535 option
.text(network
.name
);
536 DOM
.phraseNetwork
.append(option
);
540 function getLanguage() {
541 var defaultLanguage
= "english";
542 // Try to get from existing phrase
543 var language
= getLanguageFromPhrase();
544 // Try to get from url if not from phrase
545 if (language
.length
== 0) {
546 language
= getLanguageFromUrl();
548 // Default to English if no other option
549 if (language
.length
== 0) {
550 language
= defaultLanguage
;
555 function getLanguageFromPhrase(phrase
) {
556 // Check if how many words from existing phrase match a language.
559 phrase
= DOM
.phrase
.val();
561 if (phrase
.length
> 0) {
562 var words
= phraseToWordArray(phrase
);
563 var languageMatches
= {};
564 for (l
in WORDLISTS
) {
565 // Track how many words match in this language
566 languageMatches
[l
] = 0;
567 for (var i
=0; i
<words
.length
; i
++) {
568 var wordInLanguage
= WORDLISTS
[l
].indexOf(words
[i
]) > -1;
569 if (wordInLanguage
) {
570 languageMatches
[l
]++;
573 // Find languages with most word matches.
574 // This is made difficult due to commonalities between Chinese
575 // simplified vs traditional.
577 var mostMatchedLanguages
= [];
578 for (var l
in languageMatches
) {
579 var numMatches
= languageMatches
[l
];
580 if (numMatches
> mostMatches
) {
581 mostMatches
= numMatches
;
582 mostMatchedLanguages
= [l
];
584 else if (numMatches
== mostMatches
) {
585 mostMatchedLanguages
.push(l
);
589 if (mostMatchedLanguages
.length
> 0) {
590 // Use first language and warn if multiple detected
591 language
= mostMatchedLanguages
[0];
592 if (mostMatchedLanguages
.length
> 1) {
593 console
.warn("Multiple possible languages");
594 console
.warn(mostMatchedLanguages
);
601 function getLanguageFromUrl() {
602 return window
.location
.hash
.substring(1);
605 function setMnemonicLanguage() {
606 var language
= getLanguage();
607 // Load the bip39 mnemonic generator for this language if required
608 if (!(language
in mnemonics
)) {
609 mnemonics
[language
] = new Mnemonic(language
);
611 mnemonic
= mnemonics
[language
];
614 function convertPhraseToNewLanguage() {
615 var oldLanguage
= getLanguageFromPhrase();
616 var newLanguage
= getLanguageFromUrl();
617 var oldPhrase
= DOM
.phrase
.val();
618 var oldWords
= phraseToWordArray(oldPhrase
);
620 for (var i
=0; i
<oldWords
.length
; i
++) {
621 var oldWord
= oldWords
[i
];
622 var index
= WORDLISTS
[oldLanguage
].indexOf(oldWord
);
623 var newWord
= WORDLISTS
[newLanguage
][index
];
624 newWords
.push(newWord
);
626 newPhrase
= wordArrayToPhrase(newWords
);
630 // TODO look at jsbip39 - mnemonic.splitWords
631 function phraseToWordArray(phrase
) {
632 var words
= phrase
.split(/\s/g);
634 for (var i
=0; i
<words
.length
; i
++) {
636 if (word
.length
> 0) {
643 // TODO look at jsbip39 - mnemonic.joinWords
644 function wordArrayToPhrase(words
) {
645 var phrase
= words
.join(" ");
646 var language
= getLanguageFromPhrase(phrase
);
647 if (language
== "japanese") {
648 phrase
= words
.join("\u3000");
656 onSelect: function() {
657 network
= bitcoin
.networks
.bitcoin
;
658 DOM
.bip44coin
.val(0);
662 name: "Bitcoin Testnet",
663 onSelect: function() {
664 network
= bitcoin
.networks
.testnet
;
665 DOM
.bip44coin
.val(1);
670 onSelect: function() {
671 network
= bitcoin
.networks
.litecoin
;
672 DOM
.bip44coin
.val(2);
677 onSelect: function() {
678 network
= bitcoin
.networks
.dogecoin
;
679 DOM
.bip44coin
.val(3);
684 onSelect: function() {
685 network
= bitcoin
.networks
.shadow
;
686 DOM
.bip44coin
.val(35);
690 name: "ShadowCash Testnet",
691 onSelect: function() {
692 network
= bitcoin
.networks
.shadowtn
;
693 DOM
.bip44coin
.val(1);
698 onSelect: function() {
699 network
= bitcoin
.networks
.viacoin
;
700 DOM
.bip44coin
.val(14);
704 name: "Viacoin Testnet",
705 onSelect: function() {
706 network
= bitcoin
.networks
.viacointestnet
;
707 DOM
.bip44coin
.val(1);
712 onSelect: function() {
713 network
= bitcoin
.networks
.jumbucks
;
714 DOM
.bip44coin
.val(26);
719 onSelect: function() {
720 network
= bitcoin
.networks
.clam
;
721 DOM
.bip44coin
.val(23);
726 onSelect: function() {
727 network
= bitcoin
.networks
.dash
;
728 DOM
.bip44coin
.val(5);
733 onSelect: function() {
734 network
= bitcoin
.networks
.namecoin
;
735 DOM
.bip44coin
.val(7);
740 onSelect: function() {
741 network
= bitcoin
.networks
.peercoin
;
742 DOM
.bip44coin
.val(6);