]>
Commit | Line | Data |
---|---|---|
1 | (function() { | |
2 | ||
3 | var mnemonic = new Mnemonic("english"); | |
4 | var bip32RootKey = null; | |
5 | var bip32ExtendedKey = null; | |
6 | var network = bitcoin.networks.bitcoin; | |
7 | var addressRowTemplate = $("#address-row-template"); | |
8 | ||
9 | var showIndex = true; | |
10 | var showAddress = true; | |
11 | var showPrivKey = true; | |
12 | ||
13 | var phraseChangeTimeoutEvent = null; | |
14 | ||
15 | var DOM = {}; | |
16 | DOM.network = $(".network"); | |
17 | DOM.phraseNetwork = $("#network-phrase"); | |
18 | DOM.phrase = $(".phrase"); | |
19 | DOM.passphrase = $(".passphrase"); | |
20 | DOM.generate = $(".generate"); | |
21 | DOM.rootKey = $(".root-key"); | |
22 | DOM.extendedPrivKey = $(".extended-priv-key"); | |
23 | DOM.extendedPubKey = $(".extended-pub-key"); | |
24 | DOM.bip32tab = $("#bip32-tab"); | |
25 | DOM.bip44tab = $("#bip44-tab"); | |
26 | DOM.bip32panel = $("#bip32"); | |
27 | DOM.bip44panel = $("#bip44"); | |
28 | DOM.bip32path = $("#bip32-path"); | |
29 | DOM.bip44path = $("#bip44-path"); | |
30 | DOM.bip44purpose = $("#bip44 .purpose"); | |
31 | DOM.bip44coin = $("#bip44 .coin"); | |
32 | DOM.bip44account = $("#bip44 .account"); | |
33 | DOM.bip44change = $("#bip44 .change"); | |
34 | DOM.strength = $(".strength"); | |
35 | DOM.addresses = $(".addresses"); | |
36 | DOM.rowsToAdd = $(".rows-to-add"); | |
37 | DOM.more = $(".more"); | |
38 | DOM.feedback = $(".feedback"); | |
39 | DOM.tab = $(".derivation-type a"); | |
40 | DOM.indexToggle = $(".index-toggle"); | |
41 | DOM.addressToggle = $(".address-toggle"); | |
42 | DOM.privateKeyToggle = $(".private-key-toggle"); | |
43 | DOM.myceliumPath = $("#mycelium-path"); | |
44 | ||
45 | var derivationPath = $(".tab-pane.active .path").val(); | |
46 | ||
47 | function init() { | |
48 | // Events | |
49 | DOM.network.on("change", networkChanged); | |
50 | DOM.phrase.on("input", delayedPhraseChanged); | |
51 | DOM.passphrase.on("input", delayedPhraseChanged); | |
52 | DOM.generate.on("click", generateClicked); | |
53 | DOM.more.on("click", showMore); | |
54 | DOM.bip32path.on("input", bip32Changed); | |
55 | DOM.bip44purpose.on("input", bip44Changed); | |
56 | DOM.bip44coin.on("input", bip44Changed); | |
57 | DOM.bip44account.on("input", bip44Changed); | |
58 | DOM.bip44change.on("input", bip44Changed); | |
59 | DOM.tab.on("click", tabClicked); | |
60 | DOM.indexToggle.on("click", toggleIndexes); | |
61 | DOM.addressToggle.on("click", toggleAddresses); | |
62 | DOM.privateKeyToggle.on("click", togglePrivateKeys); | |
63 | disableForms(); | |
64 | hidePending(); | |
65 | hideValidationError(); | |
66 | populateNetworkSelect(); | |
67 | } | |
68 | ||
69 | // Event handlers | |
70 | ||
71 | function networkChanged(e) { | |
72 | var network = e.target.value; | |
73 | networks[network].onSelect(); | |
74 | setBip44DerivationPath(); | |
75 | delayedPhraseChanged(); | |
76 | } | |
77 | ||
78 | function delayedPhraseChanged() { | |
79 | hideValidationError(); | |
80 | showPending(); | |
81 | if (phraseChangeTimeoutEvent != null) { | |
82 | clearTimeout(phraseChangeTimeoutEvent); | |
83 | } | |
84 | phraseChangeTimeoutEvent = setTimeout(phraseChanged, 400); | |
85 | } | |
86 | ||
87 | function phraseChanged() { | |
88 | showPending(); | |
89 | hideValidationError(); | |
90 | // Get the mnemonic phrase | |
91 | var phrase = DOM.phrase.val(); | |
92 | var passphrase = DOM.passphrase.val(); | |
93 | var errorText = findPhraseErrors(phrase); | |
94 | if (errorText) { | |
95 | showValidationError(errorText); | |
96 | return; | |
97 | } | |
98 | // Get the derivation path | |
99 | var errorText = findDerivationPathErrors(); | |
100 | if (errorText) { | |
101 | showValidationError(errorText); | |
102 | return; | |
103 | } | |
104 | // Calculate and display | |
105 | calcBip32Seed(phrase, passphrase, derivationPath); | |
106 | displayBip32Info(); | |
107 | hidePending(); | |
108 | } | |
109 | ||
110 | function generateClicked() { | |
111 | clearDisplay(); | |
112 | showPending(); | |
113 | setTimeout(function() { | |
114 | var phrase = generateRandomPhrase(); | |
115 | if (!phrase) { | |
116 | return; | |
117 | } | |
118 | phraseChanged(); | |
119 | }, 50); | |
120 | } | |
121 | ||
122 | function tabClicked(e) { | |
123 | var activePath = $(e.target.getAttribute("href") + " .path"); | |
124 | derivationPath = activePath.val(); | |
125 | derivationChanged(); | |
126 | } | |
127 | ||
128 | function derivationChanged() { | |
129 | delayedPhraseChanged(); | |
130 | } | |
131 | ||
132 | function bip32Changed() { | |
133 | derivationPath = DOM.bip32path.val(); | |
134 | derivationChanged(); | |
135 | } | |
136 | ||
137 | function bip44Changed() { | |
138 | setBip44DerivationPath(); | |
139 | derivationPath = DOM.bip44path.val(); | |
140 | derivationChanged(); | |
141 | } | |
142 | ||
143 | function toggleIndexes() { | |
144 | showIndex = !showIndex; | |
145 | $("td.index span").toggleClass("invisible"); | |
146 | } | |
147 | ||
148 | function toggleAddresses() { | |
149 | showAddress = !showAddress; | |
150 | $("td.address span").toggleClass("invisible"); | |
151 | } | |
152 | ||
153 | function togglePrivateKeys() { | |
154 | showPrivKey = !showPrivKey; | |
155 | $("td.privkey span").toggleClass("invisible"); | |
156 | } | |
157 | ||
158 | // Private methods | |
159 | ||
160 | function generateRandomPhrase() { | |
161 | if (!hasStrongRandom()) { | |
162 | var errorText = "This browser does not support strong randomness"; | |
163 | showValidationError(errorText); | |
164 | return; | |
165 | } | |
166 | var numWords = parseInt(DOM.strength.val()); | |
167 | // Check strength is an integer | |
168 | if (isNaN(numWords)) { | |
169 | DOM.strength.val("12"); | |
170 | numWords = 12; | |
171 | } | |
172 | // Check strength is a multiple of 32, if not round it down | |
173 | if (numWords % 3 != 0) { | |
174 | numWords = Math.floor(numWords / 3) * 3; | |
175 | DOM.strength.val(numWords); | |
176 | } | |
177 | // Check strength is at least 32 | |
178 | if (numWords == 0) { | |
179 | numWords = 3; | |
180 | DOM.strength.val(numWords); | |
181 | } | |
182 | var strength = numWords / 3 * 32; | |
183 | var words = mnemonic.generate(strength); | |
184 | DOM.phrase.val(words); | |
185 | return words; | |
186 | } | |
187 | ||
188 | function calcBip32Seed(phrase, passphrase, path) { | |
189 | var seed = mnemonic.toSeed(phrase, passphrase); | |
190 | bip32RootKey = bitcoin.HDNode.fromSeedHex(seed, network); | |
191 | bip32ExtendedKey = bip32RootKey; | |
192 | // Derive the key from the path | |
193 | var pathBits = path.split("/"); | |
194 | for (var i=0; i<pathBits.length; i++) { | |
195 | var bit = pathBits[i]; | |
196 | var index = parseInt(bit); | |
197 | if (isNaN(index)) { | |
198 | continue; | |
199 | } | |
200 | var hardened = bit[bit.length-1] == "'"; | |
201 | if (hardened) { | |
202 | bip32ExtendedKey = bip32ExtendedKey.deriveHardened(index); | |
203 | } | |
204 | else { | |
205 | bip32ExtendedKey = bip32ExtendedKey.derive(index); | |
206 | } | |
207 | } | |
208 | } | |
209 | ||
210 | function showValidationError(errorText) { | |
211 | DOM.feedback | |
212 | .text(errorText) | |
213 | .show(); | |
214 | } | |
215 | ||
216 | function hideValidationError() { | |
217 | DOM.feedback | |
218 | .text("") | |
219 | .hide(); | |
220 | } | |
221 | ||
222 | function findPhraseErrors(phrase) { | |
223 | // TODO make this right | |
224 | // Preprocess the words | |
225 | phrase = mnemonic.normalizeString(phrase); | |
226 | var parts = phrase.split(" "); | |
227 | var proper = []; | |
228 | for (var i=0; i<parts.length; i++) { | |
229 | var part = parts[i]; | |
230 | if (part.length > 0) { | |
231 | // TODO check that lowercasing is always valid to do | |
232 | proper.push(part.toLowerCase()); | |
233 | } | |
234 | } | |
235 | // TODO some levenstein on the words | |
236 | var properPhrase = proper.join(' '); | |
237 | // Check the words are valid | |
238 | var isValid = mnemonic.check(properPhrase); | |
239 | if (!isValid) { | |
240 | return "Invalid mnemonic"; | |
241 | } | |
242 | return false; | |
243 | } | |
244 | ||
245 | function findDerivationPathErrors(path) { | |
246 | // TODO | |
247 | return false; | |
248 | } | |
249 | ||
250 | function displayBip32Info() { | |
251 | // Display the key | |
252 | var rootKey = bip32RootKey.toBase58(); | |
253 | DOM.rootKey.val(rootKey); | |
254 | var extendedPrivKey = bip32ExtendedKey.toBase58(); | |
255 | DOM.extendedPrivKey.val(extendedPrivKey); | |
256 | var extendedPubKey = bip32ExtendedKey.toBase58(false); | |
257 | DOM.extendedPubKey.val(extendedPubKey); | |
258 | // Display the addresses and privkeys | |
259 | clearAddressesList(); | |
260 | displayAddresses(0, 20); | |
261 | } | |
262 | ||
263 | function displayAddresses(start, total) { | |
264 | for (var i=0; i<total; i++) { | |
265 | var index = i + start; | |
266 | new TableRow(index); | |
267 | } | |
268 | } | |
269 | ||
270 | function TableRow(index) { | |
271 | ||
272 | function init() { | |
273 | calculateValues(); | |
274 | } | |
275 | ||
276 | function calculateValues() { | |
277 | setTimeout(function() { | |
278 | var key = bip32ExtendedKey.derive(index); | |
279 | var address = key.getAddress().toString(); | |
280 | var privkey = key.privKey.toWIF(network); | |
281 | addAddressToList(index, address, privkey); | |
282 | }, 50) | |
283 | } | |
284 | ||
285 | init(); | |
286 | ||
287 | } | |
288 | ||
289 | function showMore() { | |
290 | var start = DOM.addresses.children().length; | |
291 | var rowsToAdd = parseInt(DOM.rowsToAdd.val()); | |
292 | if (isNaN(rowsToAdd)) { | |
293 | rowsToAdd = 20; | |
294 | DOM.rowsToAdd.val("20"); | |
295 | } | |
296 | if (rowsToAdd > 200) { | |
297 | var msg = "Generating " + rowsToAdd + " rows could take a while. "; | |
298 | msg += "Do you want to continue?"; | |
299 | if (!confirm(msg)) { | |
300 | return; | |
301 | } | |
302 | } | |
303 | displayAddresses(start, rowsToAdd); | |
304 | } | |
305 | ||
306 | function clearDisplay() { | |
307 | clearAddressesList(); | |
308 | clearKey(); | |
309 | hideValidationError(); | |
310 | } | |
311 | ||
312 | function clearAddressesList() { | |
313 | DOM.addresses.empty(); | |
314 | } | |
315 | ||
316 | function clearKey() { | |
317 | DOM.rootKey.val(""); | |
318 | DOM.extendedPrivKey.val(""); | |
319 | DOM.extendedPubKey.val(""); | |
320 | } | |
321 | ||
322 | function addAddressToList(index, address, privkey) { | |
323 | var row = $(addressRowTemplate.html()); | |
324 | // Elements | |
325 | var indexCell = row.find(".index span"); | |
326 | var addressCell = row.find(".address span"); | |
327 | var privkeyCell = row.find(".privkey span"); | |
328 | // Content | |
329 | indexCell.text(index); | |
330 | addressCell.text(address); | |
331 | privkeyCell.text(privkey); | |
332 | // Visibility | |
333 | if (!showIndex) { | |
334 | indexCell.addClass("invisible"); | |
335 | } | |
336 | if (!showAddress) { | |
337 | addressCell.addClass("invisible"); | |
338 | } | |
339 | if (!showPrivKey) { | |
340 | privkeCell.addClass("invisible"); | |
341 | } | |
342 | DOM.addresses.append(row); | |
343 | } | |
344 | ||
345 | function hasStrongRandom() { | |
346 | return 'crypto' in window && window['crypto'] !== null; | |
347 | } | |
348 | ||
349 | function disableForms() { | |
350 | $("form").on("submit", function(e) { | |
351 | e.preventDefault(); | |
352 | }); | |
353 | } | |
354 | ||
355 | function setBip44DerivationPath() { | |
356 | var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44); | |
357 | var coin = parseIntNoNaN(DOM.bip44coin.val(), 0); | |
358 | var account = parseIntNoNaN(DOM.bip44account.val(), 0); | |
359 | var change = parseIntNoNaN(DOM.bip44change.val(), 0); | |
360 | var path = "m/"; | |
361 | path += purpose + "'/"; | |
362 | path += coin + "'/"; | |
363 | path += account + "'/"; | |
364 | path += change; | |
365 | DOM.bip44path.val(path); | |
366 | } | |
367 | ||
368 | function parseIntNoNaN(val, defaultVal) { | |
369 | var v = parseInt(val); | |
370 | if (isNaN(v)) { | |
371 | return defaultVal; | |
372 | } | |
373 | return v; | |
374 | } | |
375 | ||
376 | function showPending() { | |
377 | DOM.feedback | |
378 | .text("Calculating...") | |
379 | .show(); | |
380 | } | |
381 | ||
382 | function hidePending() { | |
383 | DOM.feedback | |
384 | .text("") | |
385 | .hide(); | |
386 | } | |
387 | ||
388 | function populateNetworkSelect() { | |
389 | for (var i=0; i<networks.length; i++) { | |
390 | var network = networks[i]; | |
391 | var option = $("<option>"); | |
392 | option.attr("value", i); | |
393 | option.text(network.name); | |
394 | DOM.phraseNetwork.append(option); | |
395 | } | |
396 | } | |
397 | ||
398 | var networks = [ | |
399 | { | |
400 | name: "Bitcoin", | |
401 | onSelect: function() { | |
402 | network = bitcoin.networks.bitcoin; | |
403 | DOM.bip44coin.val(0); | |
404 | DOM.myceliumPath.val("m/44'/0'/0'/0"); | |
405 | }, | |
406 | }, | |
407 | { | |
408 | name: "Bitcoin Testnet", | |
409 | onSelect: function() { | |
410 | network = bitcoin.networks.testnet; | |
411 | DOM.bip44coin.val(1); | |
412 | DOM.myceliumPath.val("m/44'/1'/0'/0"); | |
413 | }, | |
414 | }, | |
415 | { | |
416 | name: "Litecoin", | |
417 | onSelect: function() { | |
418 | network = bitcoin.networks.litecoin; | |
419 | DOM.bip44coin.val(2); | |
420 | }, | |
421 | }, | |
422 | { | |
423 | name: "Dogecoin", | |
424 | onSelect: function() { | |
425 | network = bitcoin.networks.dogecoin; | |
426 | DOM.bip44coin.val(3); | |
427 | }, | |
428 | }, | |
429 | ] | |
430 | ||
431 | init(); | |
432 | ||
433 | })(); |