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