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Commit | Line | Data |
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ebd8d4e8 IC |
1 | (function() { |
2 | ||
3 | var mnemonic = new Mnemonic("english"); | |
3e0ed16a | 4 | var seed = null |
ebd8d4e8 IC |
5 | var bip32RootKey = null; |
6 | var bip32ExtendedKey = null; | |
1759e5e8 | 7 | var network = bitcoin.networks.bitcoin; |
ebd8d4e8 IC |
8 | var addressRowTemplate = $("#address-row-template"); |
9 | ||
700901cd IC |
10 | var showIndex = true; |
11 | var showAddress = true; | |
12 | var showPrivKey = true; | |
13 | ||
ebd8d4e8 IC |
14 | var phraseChangeTimeoutEvent = null; |
15 | ||
16 | var DOM = {}; | |
d6cedc94 IC |
17 | DOM.network = $(".network"); |
18 | DOM.phraseNetwork = $("#network-phrase"); | |
ebd8d4e8 | 19 | DOM.phrase = $(".phrase"); |
1abcc511 | 20 | DOM.passphrase = $(".passphrase"); |
ebd8d4e8 | 21 | DOM.generate = $(".generate"); |
3e0ed16a | 22 | DOM.seed = $(".seed"); |
ebd8d4e8 IC |
23 | DOM.rootKey = $(".root-key"); |
24 | DOM.extendedPrivKey = $(".extended-priv-key"); | |
25 | DOM.extendedPubKey = $(".extended-pub-key"); | |
d6cedc94 IC |
26 | DOM.bip32tab = $("#bip32-tab"); |
27 | DOM.bip44tab = $("#bip44-tab"); | |
28 | DOM.bip32panel = $("#bip32"); | |
29 | DOM.bip44panel = $("#bip44"); | |
ebd8d4e8 IC |
30 | DOM.bip32path = $("#bip32-path"); |
31 | DOM.bip44path = $("#bip44-path"); | |
32 | DOM.bip44purpose = $("#bip44 .purpose"); | |
33 | DOM.bip44coin = $("#bip44 .coin"); | |
34 | DOM.bip44account = $("#bip44 .account"); | |
35 | DOM.bip44change = $("#bip44 .change"); | |
36 | DOM.strength = $(".strength"); | |
37 | DOM.addresses = $(".addresses"); | |
38 | DOM.rowsToAdd = $(".rows-to-add"); | |
39 | DOM.more = $(".more"); | |
40 | DOM.feedback = $(".feedback"); | |
41 | DOM.tab = $(".derivation-type a"); | |
42 | DOM.indexToggle = $(".index-toggle"); | |
43 | DOM.addressToggle = $(".address-toggle"); | |
44 | DOM.privateKeyToggle = $(".private-key-toggle"); | |
45 | ||
ebd8d4e8 IC |
46 | function init() { |
47 | // Events | |
d6cedc94 | 48 | DOM.network.on("change", networkChanged); |
a19a5498 IC |
49 | DOM.phrase.on("input", delayedPhraseChanged); |
50 | DOM.passphrase.on("input", delayedPhraseChanged); | |
ebd8d4e8 IC |
51 | DOM.generate.on("click", generateClicked); |
52 | DOM.more.on("click", showMore); | |
38523d36 IC |
53 | DOM.bip32path.on("input", delayedPhraseChanged); |
54 | DOM.bip44purpose.on("input", delayedPhraseChanged); | |
55 | DOM.bip44coin.on("input", delayedPhraseChanged); | |
56 | DOM.bip44account.on("input", delayedPhraseChanged); | |
57 | DOM.bip44change.on("input", delayedPhraseChanged); | |
58 | DOM.tab.on("click", delayedPhraseChanged); | |
ebd8d4e8 IC |
59 | DOM.indexToggle.on("click", toggleIndexes); |
60 | DOM.addressToggle.on("click", toggleAddresses); | |
61 | DOM.privateKeyToggle.on("click", togglePrivateKeys); | |
62 | disableForms(); | |
63 | hidePending(); | |
64 | hideValidationError(); | |
7f15cb6e | 65 | populateNetworkSelect(); |
ebd8d4e8 IC |
66 | } |
67 | ||
68 | // Event handlers | |
69 | ||
d6cedc94 | 70 | function networkChanged(e) { |
7a995731 | 71 | var network = e.target.value; |
7f15cb6e | 72 | networks[network].onSelect(); |
d6cedc94 IC |
73 | delayedPhraseChanged(); |
74 | } | |
75 | ||
ebd8d4e8 IC |
76 | function delayedPhraseChanged() { |
77 | hideValidationError(); | |
78 | showPending(); | |
79 | if (phraseChangeTimeoutEvent != null) { | |
80 | clearTimeout(phraseChangeTimeoutEvent); | |
81 | } | |
82 | phraseChangeTimeoutEvent = setTimeout(phraseChanged, 400); | |
83 | } | |
84 | ||
85 | function phraseChanged() { | |
86 | showPending(); | |
87 | hideValidationError(); | |
88 | // Get the mnemonic phrase | |
89 | var phrase = DOM.phrase.val(); | |
1abcc511 | 90 | var passphrase = DOM.passphrase.val(); |
ebd8d4e8 IC |
91 | var errorText = findPhraseErrors(phrase); |
92 | if (errorText) { | |
93 | showValidationError(errorText); | |
94 | return; | |
95 | } | |
96 | // Get the derivation path | |
38523d36 IC |
97 | var derivationPath = getDerivationPath(); |
98 | var errorText = findDerivationPathErrors(derivationPath); | |
ebd8d4e8 IC |
99 | if (errorText) { |
100 | showValidationError(errorText); | |
101 | return; | |
102 | } | |
103 | // Calculate and display | |
1abcc511 | 104 | calcBip32Seed(phrase, passphrase, derivationPath); |
ebd8d4e8 IC |
105 | displayBip32Info(); |
106 | hidePending(); | |
107 | } | |
108 | ||
109 | function generateClicked() { | |
110 | clearDisplay(); | |
111 | showPending(); | |
112 | setTimeout(function() { | |
113 | var phrase = generateRandomPhrase(); | |
114 | if (!phrase) { | |
115 | return; | |
116 | } | |
117 | phraseChanged(); | |
118 | }, 50); | |
119 | } | |
120 | ||
ebd8d4e8 | 121 | function toggleIndexes() { |
700901cd | 122 | showIndex = !showIndex; |
ebd8d4e8 IC |
123 | $("td.index span").toggleClass("invisible"); |
124 | } | |
125 | ||
126 | function toggleAddresses() { | |
700901cd | 127 | showAddress = !showAddress; |
ebd8d4e8 IC |
128 | $("td.address span").toggleClass("invisible"); |
129 | } | |
130 | ||
131 | function togglePrivateKeys() { | |
700901cd | 132 | showPrivKey = !showPrivKey; |
ebd8d4e8 IC |
133 | $("td.privkey span").toggleClass("invisible"); |
134 | } | |
135 | ||
136 | // Private methods | |
137 | ||
138 | function generateRandomPhrase() { | |
139 | if (!hasStrongRandom()) { | |
140 | var errorText = "This browser does not support strong randomness"; | |
141 | showValidationError(errorText); | |
142 | return; | |
143 | } | |
144 | var numWords = parseInt(DOM.strength.val()); | |
ebd8d4e8 IC |
145 | var strength = numWords / 3 * 32; |
146 | var words = mnemonic.generate(strength); | |
147 | DOM.phrase.val(words); | |
148 | return words; | |
149 | } | |
150 | ||
1abcc511 | 151 | function calcBip32Seed(phrase, passphrase, path) { |
3e0ed16a | 152 | seed = mnemonic.toSeed(phrase, passphrase); |
1759e5e8 | 153 | bip32RootKey = bitcoin.HDNode.fromSeedHex(seed, network); |
ebd8d4e8 IC |
154 | bip32ExtendedKey = bip32RootKey; |
155 | // Derive the key from the path | |
156 | var pathBits = path.split("/"); | |
157 | for (var i=0; i<pathBits.length; i++) { | |
158 | var bit = pathBits[i]; | |
159 | var index = parseInt(bit); | |
160 | if (isNaN(index)) { | |
161 | continue; | |
162 | } | |
163 | var hardened = bit[bit.length-1] == "'"; | |
164 | if (hardened) { | |
165 | bip32ExtendedKey = bip32ExtendedKey.deriveHardened(index); | |
166 | } | |
167 | else { | |
168 | bip32ExtendedKey = bip32ExtendedKey.derive(index); | |
169 | } | |
170 | } | |
171 | } | |
172 | ||
173 | function showValidationError(errorText) { | |
174 | DOM.feedback | |
175 | .text(errorText) | |
176 | .show(); | |
177 | } | |
178 | ||
179 | function hideValidationError() { | |
180 | DOM.feedback | |
181 | .text("") | |
182 | .hide(); | |
183 | } | |
184 | ||
185 | function findPhraseErrors(phrase) { | |
186 | // TODO make this right | |
187 | // Preprocess the words | |
783981de | 188 | phrase = mnemonic.normalizeString(phrase); |
ebd8d4e8 IC |
189 | var parts = phrase.split(" "); |
190 | var proper = []; | |
191 | for (var i=0; i<parts.length; i++) { | |
192 | var part = parts[i]; | |
193 | if (part.length > 0) { | |
194 | // TODO check that lowercasing is always valid to do | |
195 | proper.push(part.toLowerCase()); | |
196 | } | |
197 | } | |
ebd8d4e8 | 198 | var properPhrase = proper.join(' '); |
563e401a IC |
199 | // Check each word |
200 | for (var i=0; i<proper.length; i++) { | |
201 | var word = proper[i]; | |
202 | if (WORDLISTS["english"].indexOf(word) == -1) { | |
203 | console.log("Finding closest match to " + word); | |
204 | var nearestWord = findNearestWord(word); | |
205 | return word + " not in wordlist, did you mean " + nearestWord + "?"; | |
206 | } | |
207 | } | |
ebd8d4e8 IC |
208 | // Check the words are valid |
209 | var isValid = mnemonic.check(properPhrase); | |
210 | if (!isValid) { | |
211 | return "Invalid mnemonic"; | |
212 | } | |
213 | return false; | |
214 | } | |
215 | ||
38523d36 IC |
216 | function getDerivationPath() { |
217 | if (DOM.bip44tab.hasClass("active")) { | |
218 | var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44); | |
219 | var coin = parseIntNoNaN(DOM.bip44coin.val(), 0); | |
220 | var account = parseIntNoNaN(DOM.bip44account.val(), 0); | |
221 | var change = parseIntNoNaN(DOM.bip44change.val(), 0); | |
222 | var path = "m/"; | |
223 | path += purpose + "'/"; | |
224 | path += coin + "'/"; | |
225 | path += account + "'/"; | |
226 | path += change; | |
227 | DOM.bip44path.val(path); | |
228 | var derivationPath = DOM.bip44path.val(); | |
229 | console.log("Using derivation path from BIP44 tab: " + derivationPath); | |
230 | return derivationPath; | |
231 | } | |
232 | else if (DOM.bip32tab.hasClass("active")) { | |
233 | var derivationPath = DOM.bip32path.val(); | |
234 | console.log("Using derivation path from BIP32 tab: " + derivationPath); | |
235 | return derivationPath; | |
236 | } | |
237 | else { | |
238 | console.log("Unknown derivation path"); | |
239 | } | |
240 | } | |
241 | ||
ebd8d4e8 | 242 | function findDerivationPathErrors(path) { |
30c9e79d IC |
243 | // TODO is not perfect but is better than nothing |
244 | // Inspired by | |
245 | // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#test-vectors | |
246 | // and | |
247 | // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#extended-keys | |
248 | var maxDepth = 255; // TODO verify this!! | |
249 | var maxIndexValue = Math.pow(2, 31); // TODO verify this!! | |
250 | if (path[0] != "m") { | |
251 | return "First character must be 'm'"; | |
252 | } | |
253 | if (path.length > 1) { | |
254 | if (path[1] != "/") { | |
255 | return "Separator must be '/'"; | |
256 | } | |
257 | var indexes = path.split("/"); | |
258 | if (indexes.length > maxDepth) { | |
259 | return "Derivation depth is " + indexes.length + ", must be less than " + maxDepth; | |
260 | } | |
261 | for (var depth = 1; depth<indexes.length; depth++) { | |
262 | var index = indexes[depth]; | |
263 | var invalidChars = index.replace(/^[0-9]+'?$/g, "") | |
264 | if (invalidChars.length > 0) { | |
265 | return "Invalid characters " + invalidChars + " found at depth " + depth; | |
266 | } | |
267 | var indexValue = parseInt(index.replace("'", "")); | |
268 | if (isNaN(depth)) { | |
269 | return "Invalid number at depth " + depth; | |
270 | } | |
271 | if (indexValue > maxIndexValue) { | |
272 | return "Value of " + indexValue + " at depth " + depth + " must be less than " + maxIndexValue; | |
273 | } | |
274 | } | |
275 | } | |
ebd8d4e8 IC |
276 | return false; |
277 | } | |
278 | ||
279 | function displayBip32Info() { | |
280 | // Display the key | |
3e0ed16a | 281 | DOM.seed.val(seed); |
ebd8d4e8 IC |
282 | var rootKey = bip32RootKey.toBase58(); |
283 | DOM.rootKey.val(rootKey); | |
284 | var extendedPrivKey = bip32ExtendedKey.toBase58(); | |
285 | DOM.extendedPrivKey.val(extendedPrivKey); | |
286 | var extendedPubKey = bip32ExtendedKey.toBase58(false); | |
287 | DOM.extendedPubKey.val(extendedPubKey); | |
288 | // Display the addresses and privkeys | |
289 | clearAddressesList(); | |
290 | displayAddresses(0, 20); | |
291 | } | |
292 | ||
293 | function displayAddresses(start, total) { | |
294 | for (var i=0; i<total; i++) { | |
a8c45487 IC |
295 | var index = i + start; |
296 | new TableRow(index); | |
ebd8d4e8 IC |
297 | } |
298 | } | |
299 | ||
a8c45487 IC |
300 | function TableRow(index) { |
301 | ||
302 | function init() { | |
303 | calculateValues(); | |
304 | } | |
305 | ||
306 | function calculateValues() { | |
307 | setTimeout(function() { | |
308 | var key = bip32ExtendedKey.derive(index); | |
309 | var address = key.getAddress().toString(); | |
310 | var privkey = key.privKey.toWIF(network); | |
38523d36 IC |
311 | var indexText = getDerivationPath() + "/" + index; |
312 | addAddressToList(indexText, address, privkey); | |
a8c45487 IC |
313 | }, 50) |
314 | } | |
315 | ||
316 | init(); | |
317 | ||
318 | } | |
319 | ||
ebd8d4e8 IC |
320 | function showMore() { |
321 | var start = DOM.addresses.children().length; | |
322 | var rowsToAdd = parseInt(DOM.rowsToAdd.val()); | |
323 | if (isNaN(rowsToAdd)) { | |
324 | rowsToAdd = 20; | |
325 | DOM.rowsToAdd.val("20"); | |
326 | } | |
327 | if (rowsToAdd > 200) { | |
328 | var msg = "Generating " + rowsToAdd + " rows could take a while. "; | |
329 | msg += "Do you want to continue?"; | |
330 | if (!confirm(msg)) { | |
331 | return; | |
332 | } | |
333 | } | |
ebd8d4e8 | 334 | displayAddresses(start, rowsToAdd); |
ebd8d4e8 IC |
335 | } |
336 | ||
337 | function clearDisplay() { | |
338 | clearAddressesList(); | |
339 | clearKey(); | |
340 | hideValidationError(); | |
341 | } | |
342 | ||
343 | function clearAddressesList() { | |
344 | DOM.addresses.empty(); | |
345 | } | |
346 | ||
347 | function clearKey() { | |
348 | DOM.rootKey.val(""); | |
349 | DOM.extendedPrivKey.val(""); | |
350 | DOM.extendedPubKey.val(""); | |
351 | } | |
352 | ||
38523d36 | 353 | function addAddressToList(indexText, address, privkey) { |
ebd8d4e8 | 354 | var row = $(addressRowTemplate.html()); |
700901cd IC |
355 | // Elements |
356 | var indexCell = row.find(".index span"); | |
357 | var addressCell = row.find(".address span"); | |
358 | var privkeyCell = row.find(".privkey span"); | |
359 | // Content | |
ae30fed8 | 360 | indexCell.text(indexText); |
700901cd IC |
361 | addressCell.text(address); |
362 | privkeyCell.text(privkey); | |
363 | // Visibility | |
364 | if (!showIndex) { | |
365 | indexCell.addClass("invisible"); | |
366 | } | |
367 | if (!showAddress) { | |
368 | addressCell.addClass("invisible"); | |
369 | } | |
370 | if (!showPrivKey) { | |
6d628db7 | 371 | privkeyCell.addClass("invisible"); |
700901cd | 372 | } |
ebd8d4e8 IC |
373 | DOM.addresses.append(row); |
374 | } | |
375 | ||
376 | function hasStrongRandom() { | |
377 | return 'crypto' in window && window['crypto'] !== null; | |
378 | } | |
379 | ||
380 | function disableForms() { | |
381 | $("form").on("submit", function(e) { | |
382 | e.preventDefault(); | |
383 | }); | |
384 | } | |
385 | ||
ebd8d4e8 IC |
386 | function parseIntNoNaN(val, defaultVal) { |
387 | var v = parseInt(val); | |
388 | if (isNaN(v)) { | |
389 | return defaultVal; | |
390 | } | |
391 | return v; | |
392 | } | |
393 | ||
394 | function showPending() { | |
395 | DOM.feedback | |
396 | .text("Calculating...") | |
397 | .show(); | |
398 | } | |
399 | ||
563e401a IC |
400 | function findNearestWord(word) { |
401 | var words = WORDLISTS["english"]; | |
402 | var minDistance = 99; | |
403 | var closestWord = words[0]; | |
404 | for (var i=0; i<words.length; i++) { | |
405 | var comparedTo = words[i]; | |
406 | var distance = Levenshtein.get(word, comparedTo); | |
407 | if (distance < minDistance) { | |
408 | closestWord = comparedTo; | |
409 | minDistance = distance; | |
410 | } | |
411 | } | |
412 | return closestWord; | |
413 | } | |
414 | ||
ebd8d4e8 IC |
415 | function hidePending() { |
416 | DOM.feedback | |
417 | .text("") | |
418 | .hide(); | |
419 | } | |
420 | ||
7f15cb6e IC |
421 | function populateNetworkSelect() { |
422 | for (var i=0; i<networks.length; i++) { | |
423 | var network = networks[i]; | |
424 | var option = $("<option>"); | |
425 | option.attr("value", i); | |
426 | option.text(network.name); | |
427 | DOM.phraseNetwork.append(option); | |
428 | } | |
429 | } | |
430 | ||
431 | var networks = [ | |
432 | { | |
7a995731 IC |
433 | name: "Bitcoin", |
434 | onSelect: function() { | |
1759e5e8 | 435 | network = bitcoin.networks.bitcoin; |
7a995731 | 436 | DOM.bip44coin.val(0); |
7a995731 IC |
437 | }, |
438 | }, | |
7f15cb6e | 439 | { |
7a995731 IC |
440 | name: "Bitcoin Testnet", |
441 | onSelect: function() { | |
1759e5e8 | 442 | network = bitcoin.networks.testnet; |
7a995731 | 443 | DOM.bip44coin.val(1); |
7a995731 IC |
444 | }, |
445 | }, | |
7f15cb6e | 446 | { |
7a995731 IC |
447 | name: "Litecoin", |
448 | onSelect: function() { | |
1759e5e8 | 449 | network = bitcoin.networks.litecoin; |
7a995731 IC |
450 | DOM.bip44coin.val(2); |
451 | }, | |
452 | }, | |
7f15cb6e | 453 | { |
7a995731 IC |
454 | name: "Dogecoin", |
455 | onSelect: function() { | |
1759e5e8 | 456 | network = bitcoin.networks.dogecoin; |
7a995731 IC |
457 | DOM.bip44coin.val(3); |
458 | }, | |
459 | }, | |
e3a9508c IC |
460 | { |
461 | name: "ShadowCash", | |
462 | onSelect: function() { | |
463 | network = bitcoin.networks.shadow; | |
464 | DOM.bip44coin.val(35); | |
465 | }, | |
466 | }, | |
467 | { | |
468 | name: "ShadowCash Testnet", | |
469 | onSelect: function() { | |
470 | network = bitcoin.networks.shadowtn; | |
471 | DOM.bip44coin.val(1); | |
472 | }, | |
473 | }, | |
a3baa26e IC |
474 | { |
475 | name: "Viacoin", | |
476 | onSelect: function() { | |
477 | network = bitcoin.networks.viacoin; | |
478 | DOM.bip44coin.val(14); | |
479 | }, | |
480 | }, | |
481 | { | |
482 | name: "Viacoin Testnet", | |
483 | onSelect: function() { | |
484 | network = bitcoin.networks.viacointestnet; | |
485 | DOM.bip44coin.val(1); | |
486 | }, | |
487 | }, | |
488 | { | |
489 | name: "Jumbucks", | |
490 | onSelect: function() { | |
491 | network = bitcoin.networks.jumbucks; | |
492 | DOM.bip44coin.val(26); | |
493 | }, | |
494 | }, | |
5c434a8a CM |
495 | { |
496 | name: "CLAM", | |
497 | onSelect: function() { | |
498 | network = bitcoin.networks.clam; | |
499 | DOM.bip44coin.val(23); | |
500 | }, | |
501 | }, | |
7f15cb6e | 502 | ] |
7a995731 | 503 | |
ebd8d4e8 IC |
504 | init(); |
505 | ||
506 | })(); |