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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 | } | |
198 | // TODO some levenstein on the words | |
199 | var properPhrase = proper.join(' '); | |
200 | // Check the words are valid | |
201 | var isValid = mnemonic.check(properPhrase); | |
202 | if (!isValid) { | |
203 | return "Invalid mnemonic"; | |
204 | } | |
205 | return false; | |
206 | } | |
207 | ||
38523d36 IC |
208 | function getDerivationPath() { |
209 | if (DOM.bip44tab.hasClass("active")) { | |
210 | var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44); | |
211 | var coin = parseIntNoNaN(DOM.bip44coin.val(), 0); | |
212 | var account = parseIntNoNaN(DOM.bip44account.val(), 0); | |
213 | var change = parseIntNoNaN(DOM.bip44change.val(), 0); | |
214 | var path = "m/"; | |
215 | path += purpose + "'/"; | |
216 | path += coin + "'/"; | |
217 | path += account + "'/"; | |
218 | path += change; | |
219 | DOM.bip44path.val(path); | |
220 | var derivationPath = DOM.bip44path.val(); | |
221 | console.log("Using derivation path from BIP44 tab: " + derivationPath); | |
222 | return derivationPath; | |
223 | } | |
224 | else if (DOM.bip32tab.hasClass("active")) { | |
225 | var derivationPath = DOM.bip32path.val(); | |
226 | console.log("Using derivation path from BIP32 tab: " + derivationPath); | |
227 | return derivationPath; | |
228 | } | |
229 | else { | |
230 | console.log("Unknown derivation path"); | |
231 | } | |
232 | } | |
233 | ||
ebd8d4e8 | 234 | function findDerivationPathErrors(path) { |
30c9e79d IC |
235 | // TODO is not perfect but is better than nothing |
236 | // Inspired by | |
237 | // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#test-vectors | |
238 | // and | |
239 | // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#extended-keys | |
240 | var maxDepth = 255; // TODO verify this!! | |
241 | var maxIndexValue = Math.pow(2, 31); // TODO verify this!! | |
242 | if (path[0] != "m") { | |
243 | return "First character must be 'm'"; | |
244 | } | |
245 | if (path.length > 1) { | |
246 | if (path[1] != "/") { | |
247 | return "Separator must be '/'"; | |
248 | } | |
249 | var indexes = path.split("/"); | |
250 | if (indexes.length > maxDepth) { | |
251 | return "Derivation depth is " + indexes.length + ", must be less than " + maxDepth; | |
252 | } | |
253 | for (var depth = 1; depth<indexes.length; depth++) { | |
254 | var index = indexes[depth]; | |
255 | var invalidChars = index.replace(/^[0-9]+'?$/g, "") | |
256 | if (invalidChars.length > 0) { | |
257 | return "Invalid characters " + invalidChars + " found at depth " + depth; | |
258 | } | |
259 | var indexValue = parseInt(index.replace("'", "")); | |
260 | if (isNaN(depth)) { | |
261 | return "Invalid number at depth " + depth; | |
262 | } | |
263 | if (indexValue > maxIndexValue) { | |
264 | return "Value of " + indexValue + " at depth " + depth + " must be less than " + maxIndexValue; | |
265 | } | |
266 | } | |
267 | } | |
ebd8d4e8 IC |
268 | return false; |
269 | } | |
270 | ||
271 | function displayBip32Info() { | |
272 | // Display the key | |
3e0ed16a | 273 | DOM.seed.val(seed); |
ebd8d4e8 IC |
274 | var rootKey = bip32RootKey.toBase58(); |
275 | DOM.rootKey.val(rootKey); | |
276 | var extendedPrivKey = bip32ExtendedKey.toBase58(); | |
277 | DOM.extendedPrivKey.val(extendedPrivKey); | |
278 | var extendedPubKey = bip32ExtendedKey.toBase58(false); | |
279 | DOM.extendedPubKey.val(extendedPubKey); | |
280 | // Display the addresses and privkeys | |
281 | clearAddressesList(); | |
282 | displayAddresses(0, 20); | |
283 | } | |
284 | ||
285 | function displayAddresses(start, total) { | |
286 | for (var i=0; i<total; i++) { | |
a8c45487 IC |
287 | var index = i + start; |
288 | new TableRow(index); | |
ebd8d4e8 IC |
289 | } |
290 | } | |
291 | ||
a8c45487 IC |
292 | function TableRow(index) { |
293 | ||
294 | function init() { | |
295 | calculateValues(); | |
296 | } | |
297 | ||
298 | function calculateValues() { | |
299 | setTimeout(function() { | |
300 | var key = bip32ExtendedKey.derive(index); | |
301 | var address = key.getAddress().toString(); | |
302 | var privkey = key.privKey.toWIF(network); | |
38523d36 IC |
303 | var indexText = getDerivationPath() + "/" + index; |
304 | addAddressToList(indexText, address, privkey); | |
a8c45487 IC |
305 | }, 50) |
306 | } | |
307 | ||
308 | init(); | |
309 | ||
310 | } | |
311 | ||
ebd8d4e8 IC |
312 | function showMore() { |
313 | var start = DOM.addresses.children().length; | |
314 | var rowsToAdd = parseInt(DOM.rowsToAdd.val()); | |
315 | if (isNaN(rowsToAdd)) { | |
316 | rowsToAdd = 20; | |
317 | DOM.rowsToAdd.val("20"); | |
318 | } | |
319 | if (rowsToAdd > 200) { | |
320 | var msg = "Generating " + rowsToAdd + " rows could take a while. "; | |
321 | msg += "Do you want to continue?"; | |
322 | if (!confirm(msg)) { | |
323 | return; | |
324 | } | |
325 | } | |
ebd8d4e8 | 326 | displayAddresses(start, rowsToAdd); |
ebd8d4e8 IC |
327 | } |
328 | ||
329 | function clearDisplay() { | |
330 | clearAddressesList(); | |
331 | clearKey(); | |
332 | hideValidationError(); | |
333 | } | |
334 | ||
335 | function clearAddressesList() { | |
336 | DOM.addresses.empty(); | |
337 | } | |
338 | ||
339 | function clearKey() { | |
340 | DOM.rootKey.val(""); | |
341 | DOM.extendedPrivKey.val(""); | |
342 | DOM.extendedPubKey.val(""); | |
343 | } | |
344 | ||
38523d36 | 345 | function addAddressToList(indexText, address, privkey) { |
ebd8d4e8 | 346 | var row = $(addressRowTemplate.html()); |
700901cd IC |
347 | // Elements |
348 | var indexCell = row.find(".index span"); | |
349 | var addressCell = row.find(".address span"); | |
350 | var privkeyCell = row.find(".privkey span"); | |
351 | // Content | |
ae30fed8 | 352 | indexCell.text(indexText); |
700901cd IC |
353 | addressCell.text(address); |
354 | privkeyCell.text(privkey); | |
355 | // Visibility | |
356 | if (!showIndex) { | |
357 | indexCell.addClass("invisible"); | |
358 | } | |
359 | if (!showAddress) { | |
360 | addressCell.addClass("invisible"); | |
361 | } | |
362 | if (!showPrivKey) { | |
6d628db7 | 363 | privkeyCell.addClass("invisible"); |
700901cd | 364 | } |
ebd8d4e8 IC |
365 | DOM.addresses.append(row); |
366 | } | |
367 | ||
368 | function hasStrongRandom() { | |
369 | return 'crypto' in window && window['crypto'] !== null; | |
370 | } | |
371 | ||
372 | function disableForms() { | |
373 | $("form").on("submit", function(e) { | |
374 | e.preventDefault(); | |
375 | }); | |
376 | } | |
377 | ||
ebd8d4e8 IC |
378 | function parseIntNoNaN(val, defaultVal) { |
379 | var v = parseInt(val); | |
380 | if (isNaN(v)) { | |
381 | return defaultVal; | |
382 | } | |
383 | return v; | |
384 | } | |
385 | ||
386 | function showPending() { | |
387 | DOM.feedback | |
388 | .text("Calculating...") | |
389 | .show(); | |
390 | } | |
391 | ||
392 | function hidePending() { | |
393 | DOM.feedback | |
394 | .text("") | |
395 | .hide(); | |
396 | } | |
397 | ||
7f15cb6e IC |
398 | function populateNetworkSelect() { |
399 | for (var i=0; i<networks.length; i++) { | |
400 | var network = networks[i]; | |
401 | var option = $("<option>"); | |
402 | option.attr("value", i); | |
403 | option.text(network.name); | |
404 | DOM.phraseNetwork.append(option); | |
405 | } | |
406 | } | |
407 | ||
408 | var networks = [ | |
409 | { | |
7a995731 IC |
410 | name: "Bitcoin", |
411 | onSelect: function() { | |
1759e5e8 | 412 | network = bitcoin.networks.bitcoin; |
7a995731 | 413 | DOM.bip44coin.val(0); |
7a995731 IC |
414 | }, |
415 | }, | |
7f15cb6e | 416 | { |
7a995731 IC |
417 | name: "Bitcoin Testnet", |
418 | onSelect: function() { | |
1759e5e8 | 419 | network = bitcoin.networks.testnet; |
7a995731 | 420 | DOM.bip44coin.val(1); |
7a995731 IC |
421 | }, |
422 | }, | |
7f15cb6e | 423 | { |
7a995731 IC |
424 | name: "Litecoin", |
425 | onSelect: function() { | |
1759e5e8 | 426 | network = bitcoin.networks.litecoin; |
7a995731 IC |
427 | DOM.bip44coin.val(2); |
428 | }, | |
429 | }, | |
7f15cb6e | 430 | { |
7a995731 IC |
431 | name: "Dogecoin", |
432 | onSelect: function() { | |
1759e5e8 | 433 | network = bitcoin.networks.dogecoin; |
7a995731 IC |
434 | DOM.bip44coin.val(3); |
435 | }, | |
436 | }, | |
e3a9508c IC |
437 | { |
438 | name: "ShadowCash", | |
439 | onSelect: function() { | |
440 | network = bitcoin.networks.shadow; | |
441 | DOM.bip44coin.val(35); | |
442 | }, | |
443 | }, | |
444 | { | |
445 | name: "ShadowCash Testnet", | |
446 | onSelect: function() { | |
447 | network = bitcoin.networks.shadowtn; | |
448 | DOM.bip44coin.val(1); | |
449 | }, | |
450 | }, | |
a3baa26e IC |
451 | { |
452 | name: "Viacoin", | |
453 | onSelect: function() { | |
454 | network = bitcoin.networks.viacoin; | |
455 | DOM.bip44coin.val(14); | |
456 | }, | |
457 | }, | |
458 | { | |
459 | name: "Viacoin Testnet", | |
460 | onSelect: function() { | |
461 | network = bitcoin.networks.viacointestnet; | |
462 | DOM.bip44coin.val(1); | |
463 | }, | |
464 | }, | |
465 | { | |
466 | name: "Jumbucks", | |
467 | onSelect: function() { | |
468 | network = bitcoin.networks.jumbucks; | |
469 | DOM.bip44coin.val(26); | |
470 | }, | |
471 | }, | |
5c434a8a CM |
472 | { |
473 | name: "CLAM", | |
474 | onSelect: function() { | |
475 | network = bitcoin.networks.clam; | |
476 | DOM.bip44coin.val(23); | |
477 | }, | |
478 | }, | |
7f15cb6e | 479 | ] |
7a995731 | 480 | |
ebd8d4e8 IC |
481 | init(); |
482 | ||
483 | })(); |