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1 | (function() { | |
2 | ||
3 | // mnemonics is populated as required by getLanguage | |
4 | var mnemonics = { "english": new Mnemonic("english") }; | |
5 | var mnemonic = mnemonics["english"]; | |
6 | var seed = null; | |
7 | var bip32RootKey = null; | |
8 | var bip32ExtendedKey = null; | |
9 | var network = bitcoin.networks.bitcoin; | |
10 | var addressRowTemplate = $("#address-row-template"); | |
11 | ||
12 | var showIndex = true; | |
13 | var showAddress = true; | |
14 | var showPubKey = true; | |
15 | var showPrivKey = true; | |
16 | var showQr = false; | |
17 | ||
18 | var entropyChangeTimeoutEvent = null; | |
19 | var phraseChangeTimeoutEvent = null; | |
20 | var rootKeyChangedTimeoutEvent = null; | |
21 | ||
22 | var generationProcesses = []; | |
23 | ||
24 | var DOM = {}; | |
25 | DOM.network = $(".network"); | |
26 | DOM.phraseNetwork = $("#network-phrase"); | |
27 | DOM.useEntropy = $(".use-entropy"); | |
28 | DOM.entropyContainer = $(".entropy-container"); | |
29 | DOM.entropy = $(".entropy"); | |
30 | DOM.entropyFiltered = DOM.entropyContainer.find(".filtered"); | |
31 | DOM.entropyType = DOM.entropyContainer.find(".type"); | |
32 | DOM.entropyStrength = DOM.entropyContainer.find(".strength"); | |
33 | DOM.entropyEventCount = DOM.entropyContainer.find(".event-count"); | |
34 | DOM.entropyBits = DOM.entropyContainer.find(".bits"); | |
35 | DOM.entropyBitsPerEvent = DOM.entropyContainer.find(".bits-per-event"); | |
36 | DOM.entropyWordCount = DOM.entropyContainer.find(".word-count"); | |
37 | DOM.entropyBinary = DOM.entropyContainer.find(".binary"); | |
38 | DOM.entropyMnemonicLength = DOM.entropyContainer.find(".mnemonic-length"); | |
39 | DOM.phrase = $(".phrase"); | |
40 | DOM.passphrase = $(".passphrase"); | |
41 | DOM.generateContainer = $(".generate-container"); | |
42 | DOM.generate = $(".generate"); | |
43 | DOM.seed = $(".seed"); | |
44 | DOM.rootKey = $(".root-key"); | |
45 | DOM.extendedPrivKey = $(".extended-priv-key"); | |
46 | DOM.extendedPubKey = $(".extended-pub-key"); | |
47 | DOM.bip32tab = $("#bip32-tab"); | |
48 | DOM.bip44tab = $("#bip44-tab"); | |
49 | DOM.bip32panel = $("#bip32"); | |
50 | DOM.bip44panel = $("#bip44"); | |
51 | DOM.bip32path = $("#bip32-path"); | |
52 | DOM.bip44path = $("#bip44-path"); | |
53 | DOM.bip44purpose = $("#bip44 .purpose"); | |
54 | DOM.bip44coin = $("#bip44 .coin"); | |
55 | DOM.bip44account = $("#bip44 .account"); | |
56 | DOM.bip44accountXprv = $("#bip44 .account-xprv"); | |
57 | DOM.bip44accountXpub = $("#bip44 .account-xpub"); | |
58 | DOM.bip44change = $("#bip44 .change"); | |
59 | DOM.generatedStrength = $(".generate-container .strength"); | |
60 | DOM.hardenedAddresses = $(".hardened-addresses"); | |
61 | DOM.addresses = $(".addresses"); | |
62 | DOM.rowsToAdd = $(".rows-to-add"); | |
63 | DOM.more = $(".more"); | |
64 | DOM.feedback = $(".feedback"); | |
65 | DOM.tab = $(".derivation-type a"); | |
66 | DOM.indexToggle = $(".index-toggle"); | |
67 | DOM.addressToggle = $(".address-toggle"); | |
68 | DOM.publicKeyToggle = $(".public-key-toggle"); | |
69 | DOM.privateKeyToggle = $(".private-key-toggle"); | |
70 | DOM.languages = $(".languages a"); | |
71 | DOM.qrContainer = $(".qr-container"); | |
72 | DOM.qrHider = DOM.qrContainer.find(".qr-hider"); | |
73 | DOM.qrImage = DOM.qrContainer.find(".qr-image"); | |
74 | DOM.qrHint = DOM.qrContainer.find(".qr-hint"); | |
75 | DOM.showQrEls = $("[data-show-qr]"); | |
76 | ||
77 | function init() { | |
78 | // Events | |
79 | DOM.network.on("change", networkChanged); | |
80 | DOM.useEntropy.on("change", setEntropyVisibility); | |
81 | DOM.entropy.on("input", delayedEntropyChanged); | |
82 | DOM.entropyMnemonicLength.on("change", entropyChanged); | |
83 | DOM.phrase.on("input", delayedPhraseChanged); | |
84 | DOM.passphrase.on("input", delayedPhraseChanged); | |
85 | DOM.generate.on("click", generateClicked); | |
86 | DOM.more.on("click", showMore); | |
87 | DOM.rootKey.on("input", delayedRootKeyChanged); | |
88 | DOM.bip32path.on("input", calcForDerivationPath); | |
89 | DOM.bip44purpose.on("input", calcForDerivationPath); | |
90 | DOM.bip44coin.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); | |
101 | disableForms(); | |
102 | hidePending(); | |
103 | hideValidationError(); | |
104 | populateNetworkSelect(); | |
105 | } | |
106 | ||
107 | // Event handlers | |
108 | ||
109 | function networkChanged(e) { | |
110 | var networkIndex = e.target.value; | |
111 | networks[networkIndex].onSelect(); | |
112 | if (seed != null) { | |
113 | phraseChanged(); | |
114 | } | |
115 | else { | |
116 | rootKeyChanged(); | |
117 | } | |
118 | } | |
119 | ||
120 | function setEntropyVisibility() { | |
121 | if (isUsingOwnEntropy()) { | |
122 | DOM.entropyContainer.removeClass("hidden"); | |
123 | DOM.generateContainer.addClass("hidden"); | |
124 | DOM.phrase.prop("readonly", true); | |
125 | DOM.entropy.focus(); | |
126 | entropyChanged(); | |
127 | } | |
128 | else { | |
129 | DOM.entropyContainer.addClass("hidden"); | |
130 | DOM.generateContainer.removeClass("hidden"); | |
131 | DOM.phrase.prop("readonly", false); | |
132 | hidePending(); | |
133 | } | |
134 | } | |
135 | ||
136 | function delayedPhraseChanged() { | |
137 | hideValidationError(); | |
138 | showPending(); | |
139 | if (phraseChangeTimeoutEvent != null) { | |
140 | clearTimeout(phraseChangeTimeoutEvent); | |
141 | } | |
142 | phraseChangeTimeoutEvent = setTimeout(phraseChanged, 400); | |
143 | } | |
144 | ||
145 | function phraseChanged() { | |
146 | showPending(); | |
147 | hideValidationError(); | |
148 | setMnemonicLanguage(); | |
149 | // Get the mnemonic phrase | |
150 | var phrase = DOM.phrase.val(); | |
151 | var errorText = findPhraseErrors(phrase); | |
152 | if (errorText) { | |
153 | showValidationError(errorText); | |
154 | return; | |
155 | } | |
156 | // Calculate and display | |
157 | var passphrase = DOM.passphrase.val(); | |
158 | calcBip32RootKeyFromSeed(phrase, passphrase); | |
159 | calcForDerivationPath(); | |
160 | hidePending(); | |
161 | } | |
162 | ||
163 | function delayedEntropyChanged() { | |
164 | hideValidationError(); | |
165 | showPending(); | |
166 | if (entropyChangeTimeoutEvent != null) { | |
167 | clearTimeout(entropyChangeTimeoutEvent); | |
168 | } | |
169 | entropyChangeTimeoutEvent = setTimeout(entropyChanged, 400); | |
170 | } | |
171 | ||
172 | function entropyChanged() { | |
173 | // If blank entropy, clear mnemonic, addresses, errors | |
174 | if (DOM.entropy.val().trim().length == 0) { | |
175 | clearDisplay(); | |
176 | clearEntropyFeedback(); | |
177 | DOM.phrase.val(""); | |
178 | showValidationError("Blank entropy"); | |
179 | return; | |
180 | } | |
181 | // Get the current phrase to detect changes | |
182 | var phrase = DOM.phrase.val(); | |
183 | // Set the phrase from the entropy | |
184 | setMnemonicFromEntropy(); | |
185 | // Recalc addresses if the phrase has changed | |
186 | var newPhrase = DOM.phrase.val(); | |
187 | if (newPhrase != phrase) { | |
188 | if (newPhrase.length == 0) { | |
189 | clearDisplay(); | |
190 | } | |
191 | else { | |
192 | phraseChanged(); | |
193 | } | |
194 | } | |
195 | else { | |
196 | hidePending(); | |
197 | } | |
198 | } | |
199 | ||
200 | function delayedRootKeyChanged() { | |
201 | // Warn if there is an existing mnemonic or passphrase. | |
202 | if (DOM.phrase.val().length > 0 || DOM.passphrase.val().length > 0) { | |
203 | if (!confirm("This will clear existing mnemonic and passphrase")) { | |
204 | DOM.rootKey.val(bip32RootKey); | |
205 | return | |
206 | } | |
207 | } | |
208 | hideValidationError(); | |
209 | showPending(); | |
210 | // Clear existing mnemonic and passphrase | |
211 | DOM.phrase.val(""); | |
212 | DOM.passphrase.val(""); | |
213 | seed = null; | |
214 | if (rootKeyChangedTimeoutEvent != null) { | |
215 | clearTimeout(rootKeyChangedTimeoutEvent); | |
216 | } | |
217 | rootKeyChangedTimeoutEvent = setTimeout(rootKeyChanged, 400); | |
218 | } | |
219 | ||
220 | function rootKeyChanged() { | |
221 | showPending(); | |
222 | hideValidationError(); | |
223 | // Validate the root key TODO | |
224 | var rootKeyBase58 = DOM.rootKey.val(); | |
225 | var errorText = validateRootKey(rootKeyBase58); | |
226 | if (errorText) { | |
227 | showValidationError(errorText); | |
228 | return; | |
229 | } | |
230 | // Calculate and display | |
231 | calcBip32RootKeyFromBase58(rootKeyBase58); | |
232 | calcForDerivationPath(); | |
233 | } | |
234 | ||
235 | function calcForDerivationPath() { | |
236 | showPending(); | |
237 | clearAddressesList(); | |
238 | hideValidationError(); | |
239 | // Get the derivation path | |
240 | var derivationPath = getDerivationPath(); | |
241 | var errorText = findDerivationPathErrors(derivationPath); | |
242 | if (errorText) { | |
243 | showValidationError(errorText); | |
244 | return; | |
245 | } | |
246 | bip32ExtendedKey = calcBip32ExtendedKey(derivationPath); | |
247 | if (bip44TabSelected()) { | |
248 | displayBip44Info(); | |
249 | } | |
250 | displayBip32Info(); | |
251 | hidePending(); | |
252 | } | |
253 | ||
254 | function generateClicked() { | |
255 | if (isUsingOwnEntropy()) { | |
256 | return; | |
257 | } | |
258 | clearDisplay(); | |
259 | showPending(); | |
260 | setTimeout(function() { | |
261 | setMnemonicLanguage(); | |
262 | var phrase = generateRandomPhrase(); | |
263 | if (!phrase) { | |
264 | return; | |
265 | } | |
266 | phraseChanged(); | |
267 | }, 50); | |
268 | } | |
269 | ||
270 | function languageChanged() { | |
271 | setTimeout(function() { | |
272 | setMnemonicLanguage(); | |
273 | if (DOM.phrase.val().length > 0) { | |
274 | var newPhrase = convertPhraseToNewLanguage(); | |
275 | DOM.phrase.val(newPhrase); | |
276 | phraseChanged(); | |
277 | } | |
278 | else { | |
279 | DOM.generate.trigger("click"); | |
280 | } | |
281 | }, 50); | |
282 | } | |
283 | ||
284 | function toggleIndexes() { | |
285 | showIndex = !showIndex; | |
286 | $("td.index span").toggleClass("invisible"); | |
287 | } | |
288 | ||
289 | function toggleAddresses() { | |
290 | showAddress = !showAddress; | |
291 | $("td.address span").toggleClass("invisible"); | |
292 | } | |
293 | ||
294 | function togglePublicKeys() { | |
295 | showPubKey = !showPubKey; | |
296 | $("td.pubkey span").toggleClass("invisible"); | |
297 | } | |
298 | ||
299 | function togglePrivateKeys() { | |
300 | showPrivKey = !showPrivKey; | |
301 | $("td.privkey span").toggleClass("invisible"); | |
302 | } | |
303 | ||
304 | // Private methods | |
305 | ||
306 | function generateRandomPhrase() { | |
307 | if (!hasStrongRandom()) { | |
308 | var errorText = "This browser does not support strong randomness"; | |
309 | showValidationError(errorText); | |
310 | return; | |
311 | } | |
312 | var numWords = parseInt(DOM.generatedStrength.val()); | |
313 | var strength = numWords / 3 * 32; | |
314 | var words = mnemonic.generate(strength); | |
315 | DOM.phrase.val(words); | |
316 | return words; | |
317 | } | |
318 | ||
319 | function calcBip32RootKeyFromSeed(phrase, passphrase) { | |
320 | seed = mnemonic.toSeed(phrase, passphrase); | |
321 | bip32RootKey = bitcoin.HDNode.fromSeedHex(seed, network); | |
322 | } | |
323 | ||
324 | function calcBip32RootKeyFromBase58(rootKeyBase58) { | |
325 | bip32RootKey = bitcoin.HDNode.fromBase58(rootKeyBase58, network); | |
326 | } | |
327 | ||
328 | function calcBip32ExtendedKey(path) { | |
329 | // Check there's a root key to derive from | |
330 | if (!bip32RootKey) { | |
331 | return bip32RootKey; | |
332 | } | |
333 | var extendedKey = bip32RootKey; | |
334 | // Derive the key from the path | |
335 | var pathBits = path.split("/"); | |
336 | for (var i=0; i<pathBits.length; i++) { | |
337 | var bit = pathBits[i]; | |
338 | var index = parseInt(bit); | |
339 | if (isNaN(index)) { | |
340 | continue; | |
341 | } | |
342 | var hardened = bit[bit.length-1] == "'"; | |
343 | var isPriv = "privKey" in extendedKey; | |
344 | var invalidDerivationPath = hardened && !isPriv; | |
345 | if (invalidDerivationPath) { | |
346 | extendedKey = null; | |
347 | } | |
348 | else if (hardened) { | |
349 | extendedKey = extendedKey.deriveHardened(index); | |
350 | } | |
351 | else { | |
352 | extendedKey = extendedKey.derive(index); | |
353 | } | |
354 | } | |
355 | return extendedKey | |
356 | } | |
357 | ||
358 | function showValidationError(errorText) { | |
359 | DOM.feedback | |
360 | .text(errorText) | |
361 | .show(); | |
362 | } | |
363 | ||
364 | function hideValidationError() { | |
365 | DOM.feedback | |
366 | .text("") | |
367 | .hide(); | |
368 | } | |
369 | ||
370 | function findPhraseErrors(phrase) { | |
371 | // Preprocess the words | |
372 | phrase = mnemonic.normalizeString(phrase); | |
373 | var words = phraseToWordArray(phrase); | |
374 | // Detect blank phrase | |
375 | if (words.length == 0) { | |
376 | return "Blank mnemonic"; | |
377 | } | |
378 | // Check each word | |
379 | for (var i=0; i<words.length; i++) { | |
380 | var word = words[i]; | |
381 | var language = getLanguage(); | |
382 | if (WORDLISTS[language].indexOf(word) == -1) { | |
383 | console.log("Finding closest match to " + word); | |
384 | var nearestWord = findNearestWord(word); | |
385 | return word + " not in wordlist, did you mean " + nearestWord + "?"; | |
386 | } | |
387 | } | |
388 | // Check the words are valid | |
389 | var properPhrase = wordArrayToPhrase(words); | |
390 | var isValid = mnemonic.check(properPhrase); | |
391 | if (!isValid) { | |
392 | return "Invalid mnemonic"; | |
393 | } | |
394 | return false; | |
395 | } | |
396 | ||
397 | function validateRootKey(rootKeyBase58) { | |
398 | try { | |
399 | bitcoin.HDNode.fromBase58(rootKeyBase58); | |
400 | } | |
401 | catch (e) { | |
402 | return "Invalid root key"; | |
403 | } | |
404 | return ""; | |
405 | } | |
406 | ||
407 | function getDerivationPath() { | |
408 | if (bip44TabSelected()) { | |
409 | var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44); | |
410 | var coin = parseIntNoNaN(DOM.bip44coin.val(), 0); | |
411 | var account = parseIntNoNaN(DOM.bip44account.val(), 0); | |
412 | var change = parseIntNoNaN(DOM.bip44change.val(), 0); | |
413 | var path = "m/"; | |
414 | path += purpose + "'/"; | |
415 | path += coin + "'/"; | |
416 | path += account + "'/"; | |
417 | path += change; | |
418 | DOM.bip44path.val(path); | |
419 | var derivationPath = DOM.bip44path.val(); | |
420 | console.log("Using derivation path from BIP44 tab: " + derivationPath); | |
421 | return derivationPath; | |
422 | } | |
423 | else if (bip32TabSelected()) { | |
424 | var derivationPath = DOM.bip32path.val(); | |
425 | console.log("Using derivation path from BIP32 tab: " + derivationPath); | |
426 | return derivationPath; | |
427 | } | |
428 | else { | |
429 | console.log("Unknown derivation path"); | |
430 | } | |
431 | } | |
432 | ||
433 | function findDerivationPathErrors(path) { | |
434 | // TODO is not perfect but is better than nothing | |
435 | // Inspired by | |
436 | // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#test-vectors | |
437 | // and | |
438 | // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#extended-keys | |
439 | var maxDepth = 255; // TODO verify this!! | |
440 | var maxIndexValue = Math.pow(2, 31); // TODO verify this!! | |
441 | if (path[0] != "m") { | |
442 | return "First character must be 'm'"; | |
443 | } | |
444 | if (path.length > 1) { | |
445 | if (path[1] != "/") { | |
446 | return "Separator must be '/'"; | |
447 | } | |
448 | var indexes = path.split("/"); | |
449 | if (indexes.length > maxDepth) { | |
450 | return "Derivation depth is " + indexes.length + ", must be less than " + maxDepth; | |
451 | } | |
452 | for (var depth = 1; depth<indexes.length; depth++) { | |
453 | var index = indexes[depth]; | |
454 | var invalidChars = index.replace(/^[0-9]+'?$/g, "") | |
455 | if (invalidChars.length > 0) { | |
456 | return "Invalid characters " + invalidChars + " found at depth " + depth; | |
457 | } | |
458 | var indexValue = parseInt(index.replace("'", "")); | |
459 | if (isNaN(depth)) { | |
460 | return "Invalid number at depth " + depth; | |
461 | } | |
462 | if (indexValue > maxIndexValue) { | |
463 | return "Value of " + indexValue + " at depth " + depth + " must be less than " + maxIndexValue; | |
464 | } | |
465 | } | |
466 | } | |
467 | // Check root key exists or else derivation path is useless! | |
468 | if (!bip32RootKey) { | |
469 | return "No root key"; | |
470 | } | |
471 | // Check no hardened derivation path when using xpub keys | |
472 | var hardened = path.indexOf("'") > -1; | |
473 | var isXpubkey = !("privKey" in bip32RootKey); | |
474 | if (hardened && isXpubkey) { | |
475 | return "Hardened derivation path is invalid with xpub key"; | |
476 | } | |
477 | return false; | |
478 | } | |
479 | ||
480 | function displayBip44Info() { | |
481 | // Get the derivation path for the account | |
482 | var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44); | |
483 | var coin = parseIntNoNaN(DOM.bip44coin.val(), 0); | |
484 | var account = parseIntNoNaN(DOM.bip44account.val(), 0); | |
485 | var path = "m/"; | |
486 | path += purpose + "'/"; | |
487 | path += coin + "'/"; | |
488 | path += account + "'/"; | |
489 | // Calculate the account extended keys | |
490 | var accountExtendedKey = calcBip32ExtendedKey(path); | |
491 | var accountXprv = accountExtendedKey.toBase58(); | |
492 | var accountXpub = accountExtendedKey.toBase58(false); | |
493 | // Display the extended keys | |
494 | DOM.bip44accountXprv.val(accountXprv); | |
495 | DOM.bip44accountXpub.val(accountXpub); | |
496 | } | |
497 | ||
498 | function displayBip32Info() { | |
499 | // Display the key | |
500 | DOM.seed.val(seed); | |
501 | var rootKey = bip32RootKey.toBase58(); | |
502 | DOM.rootKey.val(rootKey); | |
503 | var xprvkeyB58 = "NA"; | |
504 | if (bip32ExtendedKey.privKey) { | |
505 | xprvkeyB58 = bip32ExtendedKey.toBase58(); | |
506 | } | |
507 | var extendedPrivKey = xprvkeyB58; | |
508 | DOM.extendedPrivKey.val(extendedPrivKey); | |
509 | var extendedPubKey = bip32ExtendedKey.toBase58(false); | |
510 | DOM.extendedPubKey.val(extendedPubKey); | |
511 | // Display the addresses and privkeys | |
512 | clearAddressesList(); | |
513 | displayAddresses(0, 20); | |
514 | } | |
515 | ||
516 | function displayAddresses(start, total) { | |
517 | generationProcesses.push(new (function() { | |
518 | ||
519 | var rows = []; | |
520 | ||
521 | this.stop = function() { | |
522 | for (var i=0; i<rows.length; i++) { | |
523 | rows[i].shouldGenerate = false; | |
524 | } | |
525 | } | |
526 | ||
527 | for (var i=0; i<total; i++) { | |
528 | var index = i + start; | |
529 | rows.push(new TableRow(index)); | |
530 | } | |
531 | ||
532 | })()); | |
533 | } | |
534 | ||
535 | function TableRow(index) { | |
536 | ||
537 | var self = this; | |
538 | this.shouldGenerate = true; | |
539 | var useHardenedAddresses = DOM.hardenedAddresses.prop("checked"); | |
540 | ||
541 | function init() { | |
542 | calculateValues(); | |
543 | } | |
544 | ||
545 | function calculateValues() { | |
546 | setTimeout(function() { | |
547 | if (!self.shouldGenerate) { | |
548 | return; | |
549 | } | |
550 | var key = ""; | |
551 | if (useHardenedAddresses) { | |
552 | key = bip32ExtendedKey.deriveHardened(index); | |
553 | } | |
554 | else { | |
555 | key = bip32ExtendedKey.derive(index); | |
556 | } | |
557 | var address = key.getAddress().toString(); | |
558 | var privkey = "NA"; | |
559 | if (key.privKey) { | |
560 | privkey = key.privKey.toWIF(network); | |
561 | } | |
562 | var pubkey = key.pubKey.toHex(); | |
563 | var indexText = getDerivationPath() + "/" + index; | |
564 | if (useHardenedAddresses) { | |
565 | indexText = indexText + "'"; | |
566 | } | |
567 | addAddressToList(indexText, address, pubkey, privkey); | |
568 | }, 50) | |
569 | } | |
570 | ||
571 | init(); | |
572 | ||
573 | } | |
574 | ||
575 | function showMore() { | |
576 | var start = DOM.addresses.children().length; | |
577 | var rowsToAdd = parseInt(DOM.rowsToAdd.val()); | |
578 | if (isNaN(rowsToAdd)) { | |
579 | rowsToAdd = 20; | |
580 | DOM.rowsToAdd.val("20"); | |
581 | } | |
582 | if (rowsToAdd > 200) { | |
583 | var msg = "Generating " + rowsToAdd + " rows could take a while. "; | |
584 | msg += "Do you want to continue?"; | |
585 | if (!confirm(msg)) { | |
586 | return; | |
587 | } | |
588 | } | |
589 | displayAddresses(start, rowsToAdd); | |
590 | } | |
591 | ||
592 | function clearDisplay() { | |
593 | clearAddressesList(); | |
594 | clearKey(); | |
595 | hideValidationError(); | |
596 | } | |
597 | ||
598 | function clearAddressesList() { | |
599 | DOM.addresses.empty(); | |
600 | stopGenerating(); | |
601 | } | |
602 | ||
603 | function stopGenerating() { | |
604 | while (generationProcesses.length > 0) { | |
605 | var generation = generationProcesses.shift(); | |
606 | generation.stop(); | |
607 | } | |
608 | } | |
609 | ||
610 | function clearKey() { | |
611 | DOM.rootKey.val(""); | |
612 | DOM.extendedPrivKey.val(""); | |
613 | DOM.extendedPubKey.val(""); | |
614 | } | |
615 | ||
616 | function addAddressToList(indexText, address, pubkey, privkey) { | |
617 | var row = $(addressRowTemplate.html()); | |
618 | // Elements | |
619 | var indexCell = row.find(".index span"); | |
620 | var addressCell = row.find(".address span"); | |
621 | var pubkeyCell = row.find(".pubkey span"); | |
622 | var privkeyCell = row.find(".privkey span"); | |
623 | // Content | |
624 | indexCell.text(indexText); | |
625 | addressCell.text(address); | |
626 | pubkeyCell.text(pubkey); | |
627 | privkeyCell.text(privkey); | |
628 | // Visibility | |
629 | if (!showIndex) { | |
630 | indexCell.addClass("invisible"); | |
631 | } | |
632 | if (!showAddress) { | |
633 | addressCell.addClass("invisible"); | |
634 | } | |
635 | if (!showPubKey) { | |
636 | pubkeyCell.addClass("invisible"); | |
637 | } | |
638 | if (!showPrivKey) { | |
639 | privkeyCell.addClass("invisible"); | |
640 | } | |
641 | DOM.addresses.append(row); | |
642 | var rowShowQrEls = row.find("[data-show-qr]"); | |
643 | setQrEvents(rowShowQrEls); | |
644 | } | |
645 | ||
646 | function hasStrongRandom() { | |
647 | return 'crypto' in window && window['crypto'] !== null; | |
648 | } | |
649 | ||
650 | function disableForms() { | |
651 | $("form").on("submit", function(e) { | |
652 | e.preventDefault(); | |
653 | }); | |
654 | } | |
655 | ||
656 | function parseIntNoNaN(val, defaultVal) { | |
657 | var v = parseInt(val); | |
658 | if (isNaN(v)) { | |
659 | return defaultVal; | |
660 | } | |
661 | return v; | |
662 | } | |
663 | ||
664 | function showPending() { | |
665 | DOM.feedback | |
666 | .text("Calculating...") | |
667 | .show(); | |
668 | } | |
669 | ||
670 | function findNearestWord(word) { | |
671 | var language = getLanguage(); | |
672 | var words = WORDLISTS[language]; | |
673 | var minDistance = 99; | |
674 | var closestWord = words[0]; | |
675 | for (var i=0; i<words.length; i++) { | |
676 | var comparedTo = words[i]; | |
677 | if (comparedTo.indexOf(word) == 0) { | |
678 | return comparedTo; | |
679 | } | |
680 | var distance = Levenshtein.get(word, comparedTo); | |
681 | if (distance < minDistance) { | |
682 | closestWord = comparedTo; | |
683 | minDistance = distance; | |
684 | } | |
685 | } | |
686 | return closestWord; | |
687 | } | |
688 | ||
689 | function hidePending() { | |
690 | DOM.feedback | |
691 | .text("") | |
692 | .hide(); | |
693 | } | |
694 | ||
695 | function populateNetworkSelect() { | |
696 | for (var i=0; i<networks.length; i++) { | |
697 | var network = networks[i]; | |
698 | var option = $("<option>"); | |
699 | option.attr("value", i); | |
700 | option.text(network.name); | |
701 | DOM.phraseNetwork.append(option); | |
702 | } | |
703 | } | |
704 | ||
705 | function getLanguage() { | |
706 | var defaultLanguage = "english"; | |
707 | // Try to get from existing phrase | |
708 | var language = getLanguageFromPhrase(); | |
709 | // Try to get from url if not from phrase | |
710 | if (language.length == 0) { | |
711 | language = getLanguageFromUrl(); | |
712 | } | |
713 | // Default to English if no other option | |
714 | if (language.length == 0) { | |
715 | language = defaultLanguage; | |
716 | } | |
717 | return language; | |
718 | } | |
719 | ||
720 | function getLanguageFromPhrase(phrase) { | |
721 | // Check if how many words from existing phrase match a language. | |
722 | var language = ""; | |
723 | if (!phrase) { | |
724 | phrase = DOM.phrase.val(); | |
725 | } | |
726 | if (phrase.length > 0) { | |
727 | var words = phraseToWordArray(phrase); | |
728 | var languageMatches = {}; | |
729 | for (l in WORDLISTS) { | |
730 | // Track how many words match in this language | |
731 | languageMatches[l] = 0; | |
732 | for (var i=0; i<words.length; i++) { | |
733 | var wordInLanguage = WORDLISTS[l].indexOf(words[i]) > -1; | |
734 | if (wordInLanguage) { | |
735 | languageMatches[l]++; | |
736 | } | |
737 | } | |
738 | // Find languages with most word matches. | |
739 | // This is made difficult due to commonalities between Chinese | |
740 | // simplified vs traditional. | |
741 | var mostMatches = 0; | |
742 | var mostMatchedLanguages = []; | |
743 | for (var l in languageMatches) { | |
744 | var numMatches = languageMatches[l]; | |
745 | if (numMatches > mostMatches) { | |
746 | mostMatches = numMatches; | |
747 | mostMatchedLanguages = [l]; | |
748 | } | |
749 | else if (numMatches == mostMatches) { | |
750 | mostMatchedLanguages.push(l); | |
751 | } | |
752 | } | |
753 | } | |
754 | if (mostMatchedLanguages.length > 0) { | |
755 | // Use first language and warn if multiple detected | |
756 | language = mostMatchedLanguages[0]; | |
757 | if (mostMatchedLanguages.length > 1) { | |
758 | console.warn("Multiple possible languages"); | |
759 | console.warn(mostMatchedLanguages); | |
760 | } | |
761 | } | |
762 | } | |
763 | return language; | |
764 | } | |
765 | ||
766 | function getLanguageFromUrl() { | |
767 | for (var language in WORDLISTS) { | |
768 | if (window.location.hash.indexOf(language) > -1) { | |
769 | return language; | |
770 | } | |
771 | } | |
772 | return ""; | |
773 | } | |
774 | ||
775 | function setMnemonicLanguage() { | |
776 | var language = getLanguage(); | |
777 | // Load the bip39 mnemonic generator for this language if required | |
778 | if (!(language in mnemonics)) { | |
779 | mnemonics[language] = new Mnemonic(language); | |
780 | } | |
781 | mnemonic = mnemonics[language]; | |
782 | } | |
783 | ||
784 | function convertPhraseToNewLanguage() { | |
785 | var oldLanguage = getLanguageFromPhrase(); | |
786 | var newLanguage = getLanguageFromUrl(); | |
787 | var oldPhrase = DOM.phrase.val(); | |
788 | var oldWords = phraseToWordArray(oldPhrase); | |
789 | var newWords = []; | |
790 | for (var i=0; i<oldWords.length; i++) { | |
791 | var oldWord = oldWords[i]; | |
792 | var index = WORDLISTS[oldLanguage].indexOf(oldWord); | |
793 | var newWord = WORDLISTS[newLanguage][index]; | |
794 | newWords.push(newWord); | |
795 | } | |
796 | newPhrase = wordArrayToPhrase(newWords); | |
797 | return newPhrase; | |
798 | } | |
799 | ||
800 | // TODO look at jsbip39 - mnemonic.splitWords | |
801 | function phraseToWordArray(phrase) { | |
802 | var words = phrase.split(/\s/g); | |
803 | var noBlanks = []; | |
804 | for (var i=0; i<words.length; i++) { | |
805 | var word = words[i]; | |
806 | if (word.length > 0) { | |
807 | noBlanks.push(word); | |
808 | } | |
809 | } | |
810 | return noBlanks; | |
811 | } | |
812 | ||
813 | // TODO look at jsbip39 - mnemonic.joinWords | |
814 | function wordArrayToPhrase(words) { | |
815 | var phrase = words.join(" "); | |
816 | var language = getLanguageFromPhrase(phrase); | |
817 | if (language == "japanese") { | |
818 | phrase = words.join("\u3000"); | |
819 | } | |
820 | return phrase; | |
821 | } | |
822 | ||
823 | function isUsingOwnEntropy() { | |
824 | return DOM.useEntropy.prop("checked"); | |
825 | } | |
826 | ||
827 | function setMnemonicFromEntropy() { | |
828 | clearEntropyFeedback(); | |
829 | // Get entropy value | |
830 | var entropyStr = DOM.entropy.val(); | |
831 | // Work out minimum base for entropy | |
832 | var entropy = Entropy.fromString(entropyStr); | |
833 | if (entropy.binaryStr.length == 0) { | |
834 | return; | |
835 | } | |
836 | // Show entropy details | |
837 | showEntropyFeedback(entropy); | |
838 | // Use entropy hash if not using raw entropy | |
839 | var bits = entropy.binaryStr; | |
840 | var mnemonicLength = DOM.entropyMnemonicLength.val(); | |
841 | if (mnemonicLength != "raw") { | |
842 | // Get bits by hashing entropy with SHA256 | |
843 | var hash = sjcl.hash.sha256.hash(entropy.cleanStr); | |
844 | var hex = sjcl.codec.hex.fromBits(hash); | |
845 | bits = BigInteger.parse(hex, 16).toString(2); | |
846 | while (bits.length % 256 != 0) { | |
847 | bits = "0" + bits; | |
848 | } | |
849 | // Truncate hash to suit number of words | |
850 | mnemonicLength = parseInt(mnemonicLength); | |
851 | var numberOfBits = 32 * mnemonicLength / 3; | |
852 | bits = bits.substring(0, numberOfBits); | |
853 | } | |
854 | // Discard trailing entropy | |
855 | var bitsToUse = Math.floor(bits.length / 32) * 32; | |
856 | var start = bits.length - bitsToUse; | |
857 | var binaryStr = bits.substring(start); | |
858 | // Convert entropy string to numeric array | |
859 | var entropyArr = []; | |
860 | for (var i=0; i<binaryStr.length / 8; i++) { | |
861 | var byteAsBits = binaryStr.substring(i*8, i*8+8); | |
862 | var entropyByte = parseInt(byteAsBits, 2); | |
863 | entropyArr.push(entropyByte) | |
864 | } | |
865 | // Convert entropy array to mnemonic | |
866 | var phrase = mnemonic.toMnemonic(entropyArr); | |
867 | // Set the mnemonic in the UI | |
868 | DOM.phrase.val(phrase); | |
869 | } | |
870 | ||
871 | function clearEntropyFeedback() { | |
872 | DOM.entropyStrength.text("..."); | |
873 | DOM.entropyType.text(""); | |
874 | DOM.entropyWordCount.text("0"); | |
875 | DOM.entropyEventCount.text("0"); | |
876 | DOM.entropyBitsPerEvent.text("0"); | |
877 | DOM.entropyBits.text("0"); | |
878 | DOM.entropyFiltered.html(" "); | |
879 | DOM.entropyBinary.html(" "); | |
880 | } | |
881 | ||
882 | function showEntropyFeedback(entropy) { | |
883 | var numberOfBits = entropy.binaryStr.length; | |
884 | var strength = "extremely weak"; | |
885 | if (numberOfBits >= 64) { | |
886 | strength = "very weak"; | |
887 | } | |
888 | if (numberOfBits >= 96) { | |
889 | strength = "weak"; | |
890 | } | |
891 | if (numberOfBits >= 128) { | |
892 | strength = "strong"; | |
893 | } | |
894 | if (numberOfBits >= 160) { | |
895 | strength = "very strong"; | |
896 | } | |
897 | if (numberOfBits >= 192) { | |
898 | strength = "extremely strong"; | |
899 | } | |
900 | // If time to crack is less than one day, and password is considered | |
901 | // strong or better based on the number of bits, rename strength to | |
902 | // 'easily cracked'. | |
903 | try { | |
904 | var z = zxcvbn(entropy.base.parts.join("")); | |
905 | var timeToCrack = z.crack_times_seconds.offline_fast_hashing_1e10_per_second; | |
906 | if (timeToCrack < 86400 && entropy.binaryStr.length >= 128) { | |
907 | strength = "easily cracked"; | |
908 | if (z.feedback.warning != "") { | |
909 | strength = strength + " - " + z.feedback.warning; | |
910 | }; | |
911 | } | |
912 | } | |
913 | catch (e) { | |
914 | strength = "unknown"; | |
915 | console.log("Error detecting entropy strength with zxcvbn:"); | |
916 | console.log(e); | |
917 | } | |
918 | var entropyTypeStr = getEntropyTypeStr(entropy); | |
919 | var wordCount = Math.floor(numberOfBits / 32) * 3; | |
920 | var bitsPerEvent = entropy.bitsPerEvent.toFixed(2); | |
921 | DOM.entropyFiltered.html(entropy.cleanHtml); | |
922 | DOM.entropyType.text(entropyTypeStr); | |
923 | DOM.entropyStrength.text(strength); | |
924 | DOM.entropyEventCount.text(entropy.base.ints.length); | |
925 | DOM.entropyBits.text(numberOfBits); | |
926 | DOM.entropyWordCount.text(wordCount); | |
927 | DOM.entropyBinary.text(entropy.binaryStr); | |
928 | DOM.entropyBitsPerEvent.text(bitsPerEvent); | |
929 | } | |
930 | ||
931 | function getEntropyTypeStr(entropy) { | |
932 | var typeStr = entropy.base.str; | |
933 | // Add some detail if these are cards | |
934 | if (entropy.base.asInt == 52) { | |
935 | var cardDetail = []; // array of message strings | |
936 | // Detect duplicates | |
937 | var dupes = []; | |
938 | var dupeTracker = {}; | |
939 | for (var i=0; i<entropy.base.parts.length; i++) { | |
940 | var card = entropy.base.parts[i]; | |
941 | var cardUpper = card.toUpperCase(); | |
942 | if (cardUpper in dupeTracker) { | |
943 | dupes.push(card); | |
944 | } | |
945 | dupeTracker[cardUpper] = true; | |
946 | } | |
947 | if (dupes.length > 0) { | |
948 | var dupeWord = "duplicates"; | |
949 | if (dupes.length == 1) { | |
950 | dupeWord = "duplicate"; | |
951 | } | |
952 | var msg = dupes.length + " " + dupeWord + ": " + dupes.slice(0,3).join(" "); | |
953 | if (dupes.length > 3) { | |
954 | msg += "..."; | |
955 | } | |
956 | cardDetail.push(msg); | |
957 | } | |
958 | // Detect full deck | |
959 | var uniqueCards = []; | |
960 | for (var uniqueCard in dupeTracker) { | |
961 | uniqueCards.push(uniqueCard); | |
962 | } | |
963 | if (uniqueCards.length == 52) { | |
964 | cardDetail.unshift("full deck"); | |
965 | } | |
966 | // Detect missing cards | |
967 | var values = "A23456789TJQK"; | |
968 | var suits = "CDHS"; | |
969 | var missingCards = []; | |
970 | for (var i=0; i<suits.length; i++) { | |
971 | for (var j=0; j<values.length; j++) { | |
972 | var card = values[j] + suits[i]; | |
973 | if (!(card in dupeTracker)) { | |
974 | missingCards.push(card); | |
975 | } | |
976 | } | |
977 | } | |
978 | // Display missing cards if six or less, ie clearly going for full deck | |
979 | if (missingCards.length > 0 && missingCards.length <= 6) { | |
980 | var msg = missingCards.length + " missing: " + missingCards.slice(0,3).join(" "); | |
981 | if (missingCards.length > 3) { | |
982 | msg += "..."; | |
983 | } | |
984 | cardDetail.push(msg); | |
985 | } | |
986 | // Add card details to typeStr | |
987 | if (cardDetail.length > 0) { | |
988 | typeStr += " (" + cardDetail.join(", ") + ")"; | |
989 | } | |
990 | } | |
991 | return typeStr; | |
992 | } | |
993 | ||
994 | function setQrEvents(els) { | |
995 | els.on("mouseenter", createQr); | |
996 | els.on("mouseleave", destroyQr); | |
997 | els.on("click", toggleQr); | |
998 | } | |
999 | ||
1000 | function createQr(e) { | |
1001 | var content = e.target.textContent || e.target.value; | |
1002 | if (content) { | |
1003 | var size = 130; | |
1004 | DOM.qrImage.qrcode({width: size, height: size, text: content}); | |
1005 | if (!showQr) { | |
1006 | DOM.qrHider.addClass("hidden"); | |
1007 | } | |
1008 | else { | |
1009 | DOM.qrHider.removeClass("hidden"); | |
1010 | } | |
1011 | DOM.qrContainer.removeClass("hidden"); | |
1012 | } | |
1013 | } | |
1014 | ||
1015 | function destroyQr() { | |
1016 | DOM.qrImage.text(""); | |
1017 | DOM.qrContainer.addClass("hidden"); | |
1018 | } | |
1019 | ||
1020 | function toggleQr() { | |
1021 | showQr = !showQr; | |
1022 | DOM.qrHider.toggleClass("hidden"); | |
1023 | DOM.qrHint.toggleClass("hidden"); | |
1024 | } | |
1025 | ||
1026 | function bip44TabSelected() { | |
1027 | return DOM.bip44tab.hasClass("active"); | |
1028 | } | |
1029 | ||
1030 | function bip32TabSelected() { | |
1031 | return DOM.bip32tab.hasClass("active"); | |
1032 | } | |
1033 | ||
1034 | var networks = [ | |
1035 | { | |
1036 | name: "Bitcoin", | |
1037 | onSelect: function() { | |
1038 | network = bitcoin.networks.bitcoin; | |
1039 | DOM.bip44coin.val(0); | |
1040 | }, | |
1041 | }, | |
1042 | { | |
1043 | name: "Bitcoin Testnet", | |
1044 | onSelect: function() { | |
1045 | network = bitcoin.networks.testnet; | |
1046 | DOM.bip44coin.val(1); | |
1047 | }, | |
1048 | }, | |
1049 | { | |
1050 | name: "Litecoin", | |
1051 | onSelect: function() { | |
1052 | network = bitcoin.networks.litecoin; | |
1053 | DOM.bip44coin.val(2); | |
1054 | }, | |
1055 | }, | |
1056 | { | |
1057 | name: "Dogecoin", | |
1058 | onSelect: function() { | |
1059 | network = bitcoin.networks.dogecoin; | |
1060 | DOM.bip44coin.val(3); | |
1061 | }, | |
1062 | }, | |
1063 | { | |
1064 | name: "ShadowCash", | |
1065 | onSelect: function() { | |
1066 | network = bitcoin.networks.shadow; | |
1067 | DOM.bip44coin.val(35); | |
1068 | }, | |
1069 | }, | |
1070 | { | |
1071 | name: "ShadowCash Testnet", | |
1072 | onSelect: function() { | |
1073 | network = bitcoin.networks.shadowtn; | |
1074 | DOM.bip44coin.val(1); | |
1075 | }, | |
1076 | }, | |
1077 | { | |
1078 | name: "Viacoin", | |
1079 | onSelect: function() { | |
1080 | network = bitcoin.networks.viacoin; | |
1081 | DOM.bip44coin.val(14); | |
1082 | }, | |
1083 | }, | |
1084 | { | |
1085 | name: "Viacoin Testnet", | |
1086 | onSelect: function() { | |
1087 | network = bitcoin.networks.viacointestnet; | |
1088 | DOM.bip44coin.val(1); | |
1089 | }, | |
1090 | }, | |
1091 | { | |
1092 | name: "Jumbucks", | |
1093 | onSelect: function() { | |
1094 | network = bitcoin.networks.jumbucks; | |
1095 | DOM.bip44coin.val(26); | |
1096 | }, | |
1097 | }, | |
1098 | { | |
1099 | name: "CLAM", | |
1100 | onSelect: function() { | |
1101 | network = bitcoin.networks.clam; | |
1102 | DOM.bip44coin.val(23); | |
1103 | }, | |
1104 | }, | |
1105 | { | |
1106 | name: "DASH", | |
1107 | onSelect: function() { | |
1108 | network = bitcoin.networks.dash; | |
1109 | DOM.bip44coin.val(5); | |
1110 | }, | |
1111 | }, | |
1112 | { | |
1113 | name: "Namecoin", | |
1114 | onSelect: function() { | |
1115 | network = bitcoin.networks.namecoin; | |
1116 | DOM.bip44coin.val(7); | |
1117 | }, | |
1118 | }, | |
1119 | { | |
1120 | name: "Peercoin", | |
1121 | onSelect: function() { | |
1122 | network = bitcoin.networks.peercoin; | |
1123 | DOM.bip44coin.val(6); | |
1124 | }, | |
1125 | }, | |
1126 | ] | |
1127 | ||
1128 | init(); | |
1129 | ||
1130 | })(); |