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Commit | Line | Data |
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ebd8d4e8 IC |
1 | (function() { |
2 | ||
5ee7bb9e IC |
3 | // mnemonics is populated as required by getLanguage |
4 | var mnemonics = { "english": new Mnemonic("english") }; | |
5 | var mnemonic = mnemonics["english"]; | |
3e0ed16a | 6 | var seed = null |
ebd8d4e8 IC |
7 | var bip32RootKey = null; |
8 | var bip32ExtendedKey = null; | |
1759e5e8 | 9 | var network = bitcoin.networks.bitcoin; |
ebd8d4e8 IC |
10 | var addressRowTemplate = $("#address-row-template"); |
11 | ||
700901cd IC |
12 | var showIndex = true; |
13 | var showAddress = true; | |
1b12b2f5 | 14 | var showPubKey = true; |
700901cd IC |
15 | var showPrivKey = true; |
16 | ||
ebd8d4e8 | 17 | var phraseChangeTimeoutEvent = null; |
efe41586 | 18 | var rootKeyChangedTimeoutEvent = null; |
ebd8d4e8 IC |
19 | |
20 | var DOM = {}; | |
d6cedc94 IC |
21 | DOM.network = $(".network"); |
22 | DOM.phraseNetwork = $("#network-phrase"); | |
ebd8d4e8 | 23 | DOM.phrase = $(".phrase"); |
1abcc511 | 24 | DOM.passphrase = $(".passphrase"); |
ebd8d4e8 | 25 | DOM.generate = $(".generate"); |
3e0ed16a | 26 | DOM.seed = $(".seed"); |
ebd8d4e8 IC |
27 | DOM.rootKey = $(".root-key"); |
28 | DOM.extendedPrivKey = $(".extended-priv-key"); | |
29 | DOM.extendedPubKey = $(".extended-pub-key"); | |
d6cedc94 IC |
30 | DOM.bip32tab = $("#bip32-tab"); |
31 | DOM.bip44tab = $("#bip44-tab"); | |
32 | DOM.bip32panel = $("#bip32"); | |
33 | DOM.bip44panel = $("#bip44"); | |
ebd8d4e8 IC |
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"); | |
146e089e | 41 | DOM.hardenedAddresses = $(".hardened-addresses"); |
ebd8d4e8 IC |
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"); | |
1b12b2f5 | 49 | DOM.publicKeyToggle = $(".public-key-toggle"); |
ebd8d4e8 | 50 | DOM.privateKeyToggle = $(".private-key-toggle"); |
5ee7bb9e | 51 | DOM.languages = $(".languages a"); |
ebd8d4e8 | 52 | |
ebd8d4e8 IC |
53 | function init() { |
54 | // Events | |
d6cedc94 | 55 | DOM.network.on("change", networkChanged); |
a19a5498 IC |
56 | DOM.phrase.on("input", delayedPhraseChanged); |
57 | DOM.passphrase.on("input", delayedPhraseChanged); | |
ebd8d4e8 IC |
58 | DOM.generate.on("click", generateClicked); |
59 | DOM.more.on("click", showMore); | |
efe41586 IC |
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); | |
146e089e | 67 | DOM.hardenedAddresses.on("change", calcForDerivationPath); |
ebd8d4e8 IC |
68 | DOM.indexToggle.on("click", toggleIndexes); |
69 | DOM.addressToggle.on("click", toggleAddresses); | |
1b12b2f5 | 70 | DOM.publicKeyToggle.on("click", togglePublicKeys); |
ebd8d4e8 | 71 | DOM.privateKeyToggle.on("click", togglePrivateKeys); |
5ee7bb9e | 72 | DOM.languages.on("click", languageChanged); |
ebd8d4e8 IC |
73 | disableForms(); |
74 | hidePending(); | |
75 | hideValidationError(); | |
7f15cb6e | 76 | populateNetworkSelect(); |
ebd8d4e8 IC |
77 | } |
78 | ||
79 | // Event handlers | |
80 | ||
d6cedc94 | 81 | function networkChanged(e) { |
54563907 IC |
82 | var networkIndex = e.target.value; |
83 | networks[networkIndex].onSelect(); | |
84 | if (seed != null) { | |
85 | phraseChanged(); | |
86 | } | |
87 | else { | |
88 | rootKeyChanged(); | |
89 | } | |
d6cedc94 IC |
90 | } |
91 | ||
ebd8d4e8 IC |
92 | function delayedPhraseChanged() { |
93 | hideValidationError(); | |
94 | showPending(); | |
95 | if (phraseChangeTimeoutEvent != null) { | |
96 | clearTimeout(phraseChangeTimeoutEvent); | |
97 | } | |
98 | phraseChangeTimeoutEvent = setTimeout(phraseChanged, 400); | |
99 | } | |
100 | ||
101 | function phraseChanged() { | |
102 | showPending(); | |
103 | hideValidationError(); | |
5ee7bb9e | 104 | setMnemonicLanguage(); |
ebd8d4e8 IC |
105 | // Get the mnemonic phrase |
106 | var phrase = DOM.phrase.val(); | |
107 | var errorText = findPhraseErrors(phrase); | |
108 | if (errorText) { | |
109 | showValidationError(errorText); | |
110 | return; | |
111 | } | |
efe41586 IC |
112 | // Calculate and display |
113 | var passphrase = DOM.passphrase.val(); | |
114 | calcBip32RootKeyFromSeed(phrase, passphrase); | |
115 | calcForDerivationPath(); | |
116 | hidePending(); | |
117 | } | |
118 | ||
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); | |
124 | return | |
125 | } | |
126 | } | |
127 | hideValidationError(); | |
128 | showPending(); | |
129 | // Clear existing mnemonic and passphrase | |
130 | DOM.phrase.val(""); | |
131 | DOM.passphrase.val(""); | |
132 | seed = null; | |
133 | if (rootKeyChangedTimeoutEvent != null) { | |
134 | clearTimeout(rootKeyChangedTimeoutEvent); | |
135 | } | |
136 | rootKeyChangedTimeoutEvent = setTimeout(rootKeyChanged, 400); | |
137 | } | |
138 | ||
139 | function rootKeyChanged() { | |
140 | showPending(); | |
141 | hideValidationError(); | |
142 | // Validate the root key TODO | |
143 | var rootKeyBase58 = DOM.rootKey.val(); | |
144 | var errorText = validateRootKey(rootKeyBase58); | |
145 | if (errorText) { | |
146 | showValidationError(errorText); | |
147 | return; | |
148 | } | |
149 | // Calculate and display | |
150 | calcBip32RootKeyFromBase58(rootKeyBase58); | |
151 | calcForDerivationPath(); | |
152 | hidePending(); | |
153 | } | |
154 | ||
155 | function calcForDerivationPath() { | |
156 | showPending(); | |
157 | hideValidationError(); | |
ebd8d4e8 | 158 | // Get the derivation path |
38523d36 IC |
159 | var derivationPath = getDerivationPath(); |
160 | var errorText = findDerivationPathErrors(derivationPath); | |
ebd8d4e8 IC |
161 | if (errorText) { |
162 | showValidationError(errorText); | |
163 | return; | |
164 | } | |
efe41586 | 165 | calcBip32ExtendedKey(derivationPath); |
ebd8d4e8 IC |
166 | displayBip32Info(); |
167 | hidePending(); | |
168 | } | |
169 | ||
170 | function generateClicked() { | |
171 | clearDisplay(); | |
172 | showPending(); | |
173 | setTimeout(function() { | |
5ee7bb9e | 174 | setMnemonicLanguage(); |
ebd8d4e8 IC |
175 | var phrase = generateRandomPhrase(); |
176 | if (!phrase) { | |
177 | return; | |
178 | } | |
179 | phraseChanged(); | |
180 | }, 50); | |
181 | } | |
182 | ||
5ee7bb9e IC |
183 | function languageChanged() { |
184 | setTimeout(function() { | |
185 | setMnemonicLanguage(); | |
186 | if (DOM.phrase.val().length > 0) { | |
187 | var newPhrase = convertPhraseToNewLanguage(); | |
188 | DOM.phrase.val(newPhrase); | |
189 | phraseChanged(); | |
190 | } | |
191 | else { | |
192 | DOM.generate.trigger("click"); | |
193 | } | |
194 | }, 50); | |
195 | } | |
196 | ||
ebd8d4e8 | 197 | function toggleIndexes() { |
700901cd | 198 | showIndex = !showIndex; |
ebd8d4e8 IC |
199 | $("td.index span").toggleClass("invisible"); |
200 | } | |
201 | ||
202 | function toggleAddresses() { | |
700901cd | 203 | showAddress = !showAddress; |
ebd8d4e8 IC |
204 | $("td.address span").toggleClass("invisible"); |
205 | } | |
206 | ||
1b12b2f5 IC |
207 | function togglePublicKeys() { |
208 | showPubKey = !showPubKey; | |
209 | $("td.pubkey span").toggleClass("invisible"); | |
210 | } | |
211 | ||
ebd8d4e8 | 212 | function togglePrivateKeys() { |
700901cd | 213 | showPrivKey = !showPrivKey; |
ebd8d4e8 IC |
214 | $("td.privkey span").toggleClass("invisible"); |
215 | } | |
216 | ||
217 | // Private methods | |
218 | ||
219 | function generateRandomPhrase() { | |
220 | if (!hasStrongRandom()) { | |
221 | var errorText = "This browser does not support strong randomness"; | |
222 | showValidationError(errorText); | |
223 | return; | |
224 | } | |
225 | var numWords = parseInt(DOM.strength.val()); | |
ebd8d4e8 IC |
226 | var strength = numWords / 3 * 32; |
227 | var words = mnemonic.generate(strength); | |
228 | DOM.phrase.val(words); | |
229 | return words; | |
230 | } | |
231 | ||
efe41586 | 232 | function calcBip32RootKeyFromSeed(phrase, passphrase) { |
3e0ed16a | 233 | seed = mnemonic.toSeed(phrase, passphrase); |
1759e5e8 | 234 | bip32RootKey = bitcoin.HDNode.fromSeedHex(seed, network); |
efe41586 IC |
235 | } |
236 | ||
237 | function calcBip32RootKeyFromBase58(rootKeyBase58) { | |
3821c0d3 | 238 | bip32RootKey = bitcoin.HDNode.fromBase58(rootKeyBase58, network); |
efe41586 IC |
239 | } |
240 | ||
241 | function calcBip32ExtendedKey(path) { | |
ebd8d4e8 IC |
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); | |
248 | if (isNaN(index)) { | |
249 | continue; | |
250 | } | |
251 | var hardened = bit[bit.length-1] == "'"; | |
252 | if (hardened) { | |
253 | bip32ExtendedKey = bip32ExtendedKey.deriveHardened(index); | |
254 | } | |
255 | else { | |
256 | bip32ExtendedKey = bip32ExtendedKey.derive(index); | |
257 | } | |
258 | } | |
259 | } | |
260 | ||
261 | function showValidationError(errorText) { | |
262 | DOM.feedback | |
263 | .text(errorText) | |
264 | .show(); | |
265 | } | |
266 | ||
267 | function hideValidationError() { | |
268 | DOM.feedback | |
269 | .text("") | |
270 | .hide(); | |
271 | } | |
272 | ||
273 | function findPhraseErrors(phrase) { | |
274 | // TODO make this right | |
275 | // Preprocess the words | |
783981de | 276 | phrase = mnemonic.normalizeString(phrase); |
5ee7bb9e | 277 | var words = phraseToWordArray(phrase); |
563e401a | 278 | // Check each word |
5ee7bb9e IC |
279 | for (var i=0; i<words.length; i++) { |
280 | var word = words[i]; | |
281 | var language = getLanguage(); | |
282 | if (WORDLISTS[language].indexOf(word) == -1) { | |
563e401a IC |
283 | console.log("Finding closest match to " + word); |
284 | var nearestWord = findNearestWord(word); | |
285 | return word + " not in wordlist, did you mean " + nearestWord + "?"; | |
286 | } | |
287 | } | |
ebd8d4e8 | 288 | // Check the words are valid |
5ee7bb9e | 289 | var properPhrase = wordArrayToPhrase(words); |
ebd8d4e8 IC |
290 | var isValid = mnemonic.check(properPhrase); |
291 | if (!isValid) { | |
292 | return "Invalid mnemonic"; | |
293 | } | |
294 | return false; | |
295 | } | |
296 | ||
efe41586 IC |
297 | function validateRootKey(rootKeyBase58) { |
298 | try { | |
299 | bitcoin.HDNode.fromBase58(rootKeyBase58); | |
300 | } | |
301 | catch (e) { | |
302 | return "Invalid root key"; | |
303 | } | |
304 | return ""; | |
305 | } | |
306 | ||
38523d36 IC |
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); | |
313 | var path = "m/"; | |
314 | path += purpose + "'/"; | |
315 | path += coin + "'/"; | |
316 | path += account + "'/"; | |
317 | path += change; | |
318 | DOM.bip44path.val(path); | |
319 | var derivationPath = DOM.bip44path.val(); | |
320 | console.log("Using derivation path from BIP44 tab: " + derivationPath); | |
321 | return derivationPath; | |
322 | } | |
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; | |
327 | } | |
328 | else { | |
329 | console.log("Unknown derivation path"); | |
330 | } | |
331 | } | |
332 | ||
ebd8d4e8 | 333 | function findDerivationPathErrors(path) { |
30c9e79d IC |
334 | // TODO is not perfect but is better than nothing |
335 | // Inspired by | |
336 | // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#test-vectors | |
337 | // and | |
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'"; | |
343 | } | |
344 | if (path.length > 1) { | |
345 | if (path[1] != "/") { | |
346 | return "Separator must be '/'"; | |
347 | } | |
348 | var indexes = path.split("/"); | |
349 | if (indexes.length > maxDepth) { | |
350 | return "Derivation depth is " + indexes.length + ", must be less than " + maxDepth; | |
351 | } | |
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; | |
357 | } | |
358 | var indexValue = parseInt(index.replace("'", "")); | |
359 | if (isNaN(depth)) { | |
360 | return "Invalid number at depth " + depth; | |
361 | } | |
362 | if (indexValue > maxIndexValue) { | |
363 | return "Value of " + indexValue + " at depth " + depth + " must be less than " + maxIndexValue; | |
364 | } | |
365 | } | |
366 | } | |
ebd8d4e8 IC |
367 | return false; |
368 | } | |
369 | ||
370 | function displayBip32Info() { | |
371 | // Display the key | |
3e0ed16a | 372 | DOM.seed.val(seed); |
ebd8d4e8 IC |
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); | |
382 | } | |
383 | ||
384 | function displayAddresses(start, total) { | |
385 | for (var i=0; i<total; i++) { | |
a8c45487 IC |
386 | var index = i + start; |
387 | new TableRow(index); | |
ebd8d4e8 IC |
388 | } |
389 | } | |
390 | ||
a8c45487 IC |
391 | function TableRow(index) { |
392 | ||
146e089e IC |
393 | var useHardenedAddresses = DOM.hardenedAddresses.prop("checked"); |
394 | ||
a8c45487 IC |
395 | function init() { |
396 | calculateValues(); | |
397 | } | |
398 | ||
399 | function calculateValues() { | |
400 | setTimeout(function() { | |
146e089e IC |
401 | var key = ""; |
402 | if (useHardenedAddresses) { | |
403 | key = bip32ExtendedKey.deriveHardened(index); | |
404 | } | |
405 | else { | |
406 | key = bip32ExtendedKey.derive(index); | |
407 | } | |
a8c45487 IC |
408 | var address = key.getAddress().toString(); |
409 | var privkey = key.privKey.toWIF(network); | |
1b12b2f5 | 410 | var pubkey = key.pubKey.toHex(); |
38523d36 | 411 | var indexText = getDerivationPath() + "/" + index; |
146e089e IC |
412 | if (useHardenedAddresses) { |
413 | indexText = indexText + "'"; | |
414 | } | |
1b12b2f5 | 415 | addAddressToList(indexText, address, pubkey, privkey); |
a8c45487 IC |
416 | }, 50) |
417 | } | |
418 | ||
419 | init(); | |
420 | ||
421 | } | |
422 | ||
ebd8d4e8 IC |
423 | function showMore() { |
424 | var start = DOM.addresses.children().length; | |
425 | var rowsToAdd = parseInt(DOM.rowsToAdd.val()); | |
426 | if (isNaN(rowsToAdd)) { | |
427 | rowsToAdd = 20; | |
428 | DOM.rowsToAdd.val("20"); | |
429 | } | |
430 | if (rowsToAdd > 200) { | |
431 | var msg = "Generating " + rowsToAdd + " rows could take a while. "; | |
432 | msg += "Do you want to continue?"; | |
433 | if (!confirm(msg)) { | |
434 | return; | |
435 | } | |
436 | } | |
ebd8d4e8 | 437 | displayAddresses(start, rowsToAdd); |
ebd8d4e8 IC |
438 | } |
439 | ||
440 | function clearDisplay() { | |
441 | clearAddressesList(); | |
442 | clearKey(); | |
443 | hideValidationError(); | |
444 | } | |
445 | ||
446 | function clearAddressesList() { | |
447 | DOM.addresses.empty(); | |
448 | } | |
449 | ||
450 | function clearKey() { | |
451 | DOM.rootKey.val(""); | |
452 | DOM.extendedPrivKey.val(""); | |
453 | DOM.extendedPubKey.val(""); | |
454 | } | |
455 | ||
1b12b2f5 | 456 | function addAddressToList(indexText, address, pubkey, privkey) { |
ebd8d4e8 | 457 | var row = $(addressRowTemplate.html()); |
700901cd IC |
458 | // Elements |
459 | var indexCell = row.find(".index span"); | |
460 | var addressCell = row.find(".address span"); | |
1b12b2f5 | 461 | var pubkeyCell = row.find(".pubkey span"); |
700901cd IC |
462 | var privkeyCell = row.find(".privkey span"); |
463 | // Content | |
ae30fed8 | 464 | indexCell.text(indexText); |
700901cd | 465 | addressCell.text(address); |
1b12b2f5 | 466 | pubkeyCell.text(pubkey); |
700901cd IC |
467 | privkeyCell.text(privkey); |
468 | // Visibility | |
469 | if (!showIndex) { | |
470 | indexCell.addClass("invisible"); | |
471 | } | |
472 | if (!showAddress) { | |
473 | addressCell.addClass("invisible"); | |
474 | } | |
1b12b2f5 IC |
475 | if (!showPubKey) { |
476 | pubkeyCell.addClass("invisible"); | |
477 | } | |
700901cd | 478 | if (!showPrivKey) { |
6d628db7 | 479 | privkeyCell.addClass("invisible"); |
700901cd | 480 | } |
ebd8d4e8 IC |
481 | DOM.addresses.append(row); |
482 | } | |
483 | ||
484 | function hasStrongRandom() { | |
485 | return 'crypto' in window && window['crypto'] !== null; | |
486 | } | |
487 | ||
488 | function disableForms() { | |
489 | $("form").on("submit", function(e) { | |
490 | e.preventDefault(); | |
491 | }); | |
492 | } | |
493 | ||
ebd8d4e8 IC |
494 | function parseIntNoNaN(val, defaultVal) { |
495 | var v = parseInt(val); | |
496 | if (isNaN(v)) { | |
497 | return defaultVal; | |
498 | } | |
499 | return v; | |
500 | } | |
501 | ||
502 | function showPending() { | |
503 | DOM.feedback | |
504 | .text("Calculating...") | |
505 | .show(); | |
506 | } | |
507 | ||
563e401a | 508 | function findNearestWord(word) { |
5ee7bb9e IC |
509 | var language = getLanguage(); |
510 | var words = WORDLISTS[language]; | |
563e401a IC |
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; | |
519 | } | |
520 | } | |
521 | return closestWord; | |
522 | } | |
523 | ||
ebd8d4e8 IC |
524 | function hidePending() { |
525 | DOM.feedback | |
526 | .text("") | |
527 | .hide(); | |
528 | } | |
529 | ||
7f15cb6e IC |
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); | |
537 | } | |
538 | } | |
539 | ||
5ee7bb9e IC |
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(); | |
547 | } | |
548 | // Default to English if no other option | |
549 | if (language.length == 0) { | |
550 | language = defaultLanguage; | |
551 | } | |
552 | return language; | |
553 | } | |
554 | ||
555 | function getLanguageFromPhrase(phrase) { | |
556 | // Check if how many words from existing phrase match a language. | |
557 | var language = ""; | |
558 | if (!phrase) { | |
559 | phrase = DOM.phrase.val(); | |
560 | } | |
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]++; | |
571 | } | |
572 | } | |
573 | // Find languages with most word matches. | |
574 | // This is made difficult due to commonalities between Chinese | |
575 | // simplified vs traditional. | |
576 | var mostMatches = 0; | |
577 | var mostMatchedLanguages = []; | |
578 | for (var l in languageMatches) { | |
579 | var numMatches = languageMatches[l]; | |
580 | if (numMatches > mostMatches) { | |
581 | mostMatches = numMatches; | |
582 | mostMatchedLanguages = [l]; | |
583 | } | |
584 | else if (numMatches == mostMatches) { | |
585 | mostMatchedLanguages.push(l); | |
586 | } | |
587 | } | |
588 | } | |
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); | |
595 | } | |
596 | } | |
597 | } | |
598 | return language; | |
599 | } | |
600 | ||
601 | function getLanguageFromUrl() { | |
602 | return window.location.hash.substring(1); | |
603 | } | |
604 | ||
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); | |
610 | } | |
611 | mnemonic = mnemonics[language]; | |
612 | } | |
613 | ||
614 | function convertPhraseToNewLanguage() { | |
615 | var oldLanguage = getLanguageFromPhrase(); | |
616 | var newLanguage = getLanguageFromUrl(); | |
617 | var oldPhrase = DOM.phrase.val(); | |
618 | var oldWords = phraseToWordArray(oldPhrase); | |
619 | var newWords = []; | |
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); | |
625 | } | |
626 | newPhrase = wordArrayToPhrase(newWords); | |
627 | return newPhrase; | |
628 | } | |
629 | ||
630 | // TODO look at jsbip39 - mnemonic.splitWords | |
631 | function phraseToWordArray(phrase) { | |
632 | var words = phrase.split(/\s/g); | |
633 | var noBlanks = []; | |
634 | for (var i=0; i<words.length; i++) { | |
635 | var word = words[i]; | |
636 | if (word.length > 0) { | |
637 | noBlanks.push(word); | |
638 | } | |
639 | } | |
640 | return noBlanks; | |
641 | } | |
642 | ||
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"); | |
649 | } | |
650 | return phrase; | |
651 | } | |
652 | ||
7f15cb6e IC |
653 | var networks = [ |
654 | { | |
7a995731 IC |
655 | name: "Bitcoin", |
656 | onSelect: function() { | |
1759e5e8 | 657 | network = bitcoin.networks.bitcoin; |
7a995731 | 658 | DOM.bip44coin.val(0); |
7a995731 IC |
659 | }, |
660 | }, | |
7f15cb6e | 661 | { |
7a995731 IC |
662 | name: "Bitcoin Testnet", |
663 | onSelect: function() { | |
1759e5e8 | 664 | network = bitcoin.networks.testnet; |
7a995731 | 665 | DOM.bip44coin.val(1); |
7a995731 IC |
666 | }, |
667 | }, | |
7f15cb6e | 668 | { |
7a995731 IC |
669 | name: "Litecoin", |
670 | onSelect: function() { | |
1759e5e8 | 671 | network = bitcoin.networks.litecoin; |
7a995731 IC |
672 | DOM.bip44coin.val(2); |
673 | }, | |
674 | }, | |
7f15cb6e | 675 | { |
7a995731 IC |
676 | name: "Dogecoin", |
677 | onSelect: function() { | |
1759e5e8 | 678 | network = bitcoin.networks.dogecoin; |
7a995731 IC |
679 | DOM.bip44coin.val(3); |
680 | }, | |
681 | }, | |
e3a9508c IC |
682 | { |
683 | name: "ShadowCash", | |
684 | onSelect: function() { | |
685 | network = bitcoin.networks.shadow; | |
686 | DOM.bip44coin.val(35); | |
687 | }, | |
688 | }, | |
689 | { | |
690 | name: "ShadowCash Testnet", | |
691 | onSelect: function() { | |
692 | network = bitcoin.networks.shadowtn; | |
693 | DOM.bip44coin.val(1); | |
694 | }, | |
695 | }, | |
a3baa26e IC |
696 | { |
697 | name: "Viacoin", | |
698 | onSelect: function() { | |
699 | network = bitcoin.networks.viacoin; | |
700 | DOM.bip44coin.val(14); | |
701 | }, | |
702 | }, | |
703 | { | |
704 | name: "Viacoin Testnet", | |
705 | onSelect: function() { | |
706 | network = bitcoin.networks.viacointestnet; | |
707 | DOM.bip44coin.val(1); | |
708 | }, | |
709 | }, | |
710 | { | |
711 | name: "Jumbucks", | |
712 | onSelect: function() { | |
713 | network = bitcoin.networks.jumbucks; | |
714 | DOM.bip44coin.val(26); | |
715 | }, | |
716 | }, | |
5c434a8a CM |
717 | { |
718 | name: "CLAM", | |
719 | onSelect: function() { | |
720 | network = bitcoin.networks.clam; | |
721 | DOM.bip44coin.val(23); | |
722 | }, | |
723 | }, | |
82f91834 DG |
724 | { |
725 | name: "DASH", | |
726 | onSelect: function() { | |
727 | network = bitcoin.networks.dash; | |
728 | DOM.bip44coin.val(5); | |
729 | }, | |
730 | }, | |
07ac4350 | 731 | { |
732 | name: "Namecoin", | |
733 | onSelect: function() { | |
734 | network = bitcoin.networks.namecoin; | |
735 | DOM.bip44coin.val(7); | |
736 | }, | |
737 | }, | |
738 | { | |
739 | name: "Peercoin", | |
740 | onSelect: function() { | |
741 | network = bitcoin.networks.peercoin; | |
742 | DOM.bip44coin.val(6); | |
743 | }, | |
744 | }, | |
7f15cb6e | 745 | ] |
7a995731 | 746 | |
ebd8d4e8 IC |
747 | init(); |
748 | ||
749 | })(); |