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ebd8d4e8 IC |
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 | ||
700901cd IC |
9 | var showIndex = true; |
10 | var showAddress = true; | |
11 | var showPrivKey = true; | |
12 | ||
ebd8d4e8 IC |
13 | var phraseChangeTimeoutEvent = null; |
14 | ||
15 | var DOM = {}; | |
d6cedc94 IC |
16 | DOM.network = $(".network"); |
17 | DOM.phraseNetwork = $("#network-phrase"); | |
18 | DOM.bip44Network = $("#network-bip44"); | |
ebd8d4e8 | 19 | DOM.phrase = $(".phrase"); |
1abcc511 | 20 | DOM.passphrase = $(".passphrase"); |
ebd8d4e8 IC |
21 | DOM.generate = $(".generate"); |
22 | DOM.rootKey = $(".root-key"); | |
23 | DOM.extendedPrivKey = $(".extended-priv-key"); | |
24 | DOM.extendedPubKey = $(".extended-pub-key"); | |
d6cedc94 IC |
25 | DOM.bip32tab = $("#bip32-tab"); |
26 | DOM.bip44tab = $("#bip44-tab"); | |
27 | DOM.bip32panel = $("#bip32"); | |
28 | DOM.bip44panel = $("#bip44"); | |
ebd8d4e8 IC |
29 | DOM.bip32path = $("#bip32-path"); |
30 | DOM.bip44path = $("#bip44-path"); | |
31 | DOM.bip44purpose = $("#bip44 .purpose"); | |
32 | DOM.bip44coin = $("#bip44 .coin"); | |
33 | DOM.bip44account = $("#bip44 .account"); | |
34 | DOM.bip44change = $("#bip44 .change"); | |
35 | DOM.strength = $(".strength"); | |
36 | DOM.addresses = $(".addresses"); | |
37 | DOM.rowsToAdd = $(".rows-to-add"); | |
38 | DOM.more = $(".more"); | |
39 | DOM.feedback = $(".feedback"); | |
40 | DOM.tab = $(".derivation-type a"); | |
41 | DOM.indexToggle = $(".index-toggle"); | |
42 | DOM.addressToggle = $(".address-toggle"); | |
43 | DOM.privateKeyToggle = $(".private-key-toggle"); | |
44 | ||
45 | var derivationPath = DOM.bip44path.val(); | |
46 | ||
47 | function init() { | |
48 | // Events | |
d6cedc94 | 49 | DOM.network.on("change", networkChanged); |
a19a5498 IC |
50 | DOM.phrase.on("input", delayedPhraseChanged); |
51 | DOM.passphrase.on("input", delayedPhraseChanged); | |
ebd8d4e8 IC |
52 | DOM.generate.on("click", generateClicked); |
53 | DOM.more.on("click", showMore); | |
a19a5498 IC |
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); | |
ebd8d4e8 IC |
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 | } | |
67 | ||
68 | // Event handlers | |
69 | ||
d6cedc94 IC |
70 | function networkChanged(e) { |
71 | var n = e.target.value; | |
72 | if (n == "bitcoin") { | |
73 | network = Bitcoin.networks.bitcoin; | |
74 | DOM.bip44coin.val(0); | |
75 | setBip44DerivationPath(); | |
76 | enableBip44Tab(); | |
77 | } | |
78 | else if (n == "bitcoin-testnet") { | |
79 | network = Bitcoin.networks.testnet; | |
80 | DOM.bip44coin.val(1); | |
81 | setBip44DerivationPath(); | |
82 | enableBip44Tab(); | |
83 | } | |
84 | else if (n == "litecoin") { | |
85 | network = Bitcoin.networks.litecoin; | |
86 | DOM.bip44coin.val(2); | |
87 | setBip44DerivationPath(); | |
88 | enableBip44Tab(); | |
89 | } | |
90 | else if (n == "dogecoin") { | |
91 | network = Bitcoin.networks.dogecoin; | |
92 | disableBip44Tab(); | |
93 | } | |
94 | DOM.phraseNetwork.val(n); | |
95 | DOM.bip44Network.val(n); | |
96 | delayedPhraseChanged(); | |
97 | } | |
98 | ||
ebd8d4e8 IC |
99 | function delayedPhraseChanged() { |
100 | hideValidationError(); | |
101 | showPending(); | |
102 | if (phraseChangeTimeoutEvent != null) { | |
103 | clearTimeout(phraseChangeTimeoutEvent); | |
104 | } | |
105 | phraseChangeTimeoutEvent = setTimeout(phraseChanged, 400); | |
106 | } | |
107 | ||
108 | function phraseChanged() { | |
109 | showPending(); | |
110 | hideValidationError(); | |
111 | // Get the mnemonic phrase | |
112 | var phrase = DOM.phrase.val(); | |
1abcc511 | 113 | var passphrase = DOM.passphrase.val(); |
ebd8d4e8 IC |
114 | var errorText = findPhraseErrors(phrase); |
115 | if (errorText) { | |
116 | showValidationError(errorText); | |
117 | return; | |
118 | } | |
119 | // Get the derivation path | |
120 | var errorText = findDerivationPathErrors(); | |
121 | if (errorText) { | |
122 | showValidationError(errorText); | |
123 | return; | |
124 | } | |
125 | // Calculate and display | |
1abcc511 | 126 | calcBip32Seed(phrase, passphrase, derivationPath); |
ebd8d4e8 IC |
127 | displayBip32Info(); |
128 | hidePending(); | |
129 | } | |
130 | ||
131 | function generateClicked() { | |
132 | clearDisplay(); | |
133 | showPending(); | |
134 | setTimeout(function() { | |
135 | var phrase = generateRandomPhrase(); | |
136 | if (!phrase) { | |
137 | return; | |
138 | } | |
139 | phraseChanged(); | |
140 | }, 50); | |
141 | } | |
142 | ||
143 | function tabClicked(e) { | |
144 | var activePath = $(e.target.getAttribute("href") + " .path"); | |
145 | derivationPath = activePath.val(); | |
146 | derivationChanged(); | |
147 | } | |
148 | ||
149 | function derivationChanged() { | |
59780293 | 150 | delayedPhraseChanged(); |
ebd8d4e8 IC |
151 | } |
152 | ||
153 | function bip32Changed() { | |
154 | derivationPath = DOM.bip32path.val(); | |
155 | derivationChanged(); | |
156 | } | |
157 | ||
158 | function bip44Changed() { | |
159 | setBip44DerivationPath(); | |
160 | derivationPath = DOM.bip44path.val(); | |
161 | derivationChanged(); | |
162 | } | |
163 | ||
164 | function toggleIndexes() { | |
700901cd | 165 | showIndex = !showIndex; |
ebd8d4e8 IC |
166 | $("td.index span").toggleClass("invisible"); |
167 | } | |
168 | ||
169 | function toggleAddresses() { | |
700901cd | 170 | showAddress = !showAddress; |
ebd8d4e8 IC |
171 | $("td.address span").toggleClass("invisible"); |
172 | } | |
173 | ||
174 | function togglePrivateKeys() { | |
700901cd | 175 | showPrivKey = !showPrivKey; |
ebd8d4e8 IC |
176 | $("td.privkey span").toggleClass("invisible"); |
177 | } | |
178 | ||
179 | // Private methods | |
180 | ||
181 | function generateRandomPhrase() { | |
182 | if (!hasStrongRandom()) { | |
183 | var errorText = "This browser does not support strong randomness"; | |
184 | showValidationError(errorText); | |
185 | return; | |
186 | } | |
187 | var numWords = parseInt(DOM.strength.val()); | |
188 | // Check strength is an integer | |
189 | if (isNaN(numWords)) { | |
190 | DOM.strength.val("12"); | |
191 | numWords = 12; | |
192 | } | |
193 | // Check strength is a multiple of 32, if not round it down | |
194 | if (numWords % 3 != 0) { | |
195 | numWords = Math.floor(numWords / 3) * 3; | |
196 | DOM.strength.val(numWords); | |
197 | } | |
198 | // Check strength is at least 32 | |
199 | if (numWords == 0) { | |
200 | numWords = 3; | |
201 | DOM.strength.val(numWords); | |
202 | } | |
203 | var strength = numWords / 3 * 32; | |
204 | var words = mnemonic.generate(strength); | |
205 | DOM.phrase.val(words); | |
206 | return words; | |
207 | } | |
208 | ||
1abcc511 PR |
209 | function calcBip32Seed(phrase, passphrase, path) { |
210 | var seed = mnemonic.toSeed(phrase, passphrase); | |
bade1504 | 211 | bip32RootKey = Bitcoin.HDNode.fromSeedHex(seed, network); |
ebd8d4e8 IC |
212 | bip32ExtendedKey = bip32RootKey; |
213 | // Derive the key from the path | |
214 | var pathBits = path.split("/"); | |
215 | for (var i=0; i<pathBits.length; i++) { | |
216 | var bit = pathBits[i]; | |
217 | var index = parseInt(bit); | |
218 | if (isNaN(index)) { | |
219 | continue; | |
220 | } | |
221 | var hardened = bit[bit.length-1] == "'"; | |
222 | if (hardened) { | |
223 | bip32ExtendedKey = bip32ExtendedKey.deriveHardened(index); | |
224 | } | |
225 | else { | |
226 | bip32ExtendedKey = bip32ExtendedKey.derive(index); | |
227 | } | |
228 | } | |
229 | } | |
230 | ||
231 | function showValidationError(errorText) { | |
232 | DOM.feedback | |
233 | .text(errorText) | |
234 | .show(); | |
235 | } | |
236 | ||
237 | function hideValidationError() { | |
238 | DOM.feedback | |
239 | .text("") | |
240 | .hide(); | |
241 | } | |
242 | ||
243 | function findPhraseErrors(phrase) { | |
244 | // TODO make this right | |
245 | // Preprocess the words | |
783981de | 246 | phrase = mnemonic.normalizeString(phrase); |
ebd8d4e8 IC |
247 | var parts = phrase.split(" "); |
248 | var proper = []; | |
249 | for (var i=0; i<parts.length; i++) { | |
250 | var part = parts[i]; | |
251 | if (part.length > 0) { | |
252 | // TODO check that lowercasing is always valid to do | |
253 | proper.push(part.toLowerCase()); | |
254 | } | |
255 | } | |
256 | // TODO some levenstein on the words | |
257 | var properPhrase = proper.join(' '); | |
258 | // Check the words are valid | |
259 | var isValid = mnemonic.check(properPhrase); | |
260 | if (!isValid) { | |
261 | return "Invalid mnemonic"; | |
262 | } | |
263 | return false; | |
264 | } | |
265 | ||
266 | function findDerivationPathErrors(path) { | |
267 | // TODO | |
268 | return false; | |
269 | } | |
270 | ||
271 | function displayBip32Info() { | |
272 | // Display the key | |
273 | var rootKey = bip32RootKey.toBase58(); | |
274 | DOM.rootKey.val(rootKey); | |
275 | var extendedPrivKey = bip32ExtendedKey.toBase58(); | |
276 | DOM.extendedPrivKey.val(extendedPrivKey); | |
277 | var extendedPubKey = bip32ExtendedKey.toBase58(false); | |
278 | DOM.extendedPubKey.val(extendedPubKey); | |
279 | // Display the addresses and privkeys | |
280 | clearAddressesList(); | |
281 | displayAddresses(0, 20); | |
282 | } | |
283 | ||
284 | function displayAddresses(start, total) { | |
285 | for (var i=0; i<total; i++) { | |
a8c45487 IC |
286 | var index = i + start; |
287 | new TableRow(index); | |
ebd8d4e8 IC |
288 | } |
289 | } | |
290 | ||
a8c45487 IC |
291 | function TableRow(index) { |
292 | ||
293 | function init() { | |
294 | calculateValues(); | |
295 | } | |
296 | ||
297 | function calculateValues() { | |
298 | setTimeout(function() { | |
299 | var key = bip32ExtendedKey.derive(index); | |
300 | var address = key.getAddress().toString(); | |
301 | var privkey = key.privKey.toWIF(network); | |
302 | addAddressToList(index, address, privkey); | |
303 | }, 50) | |
304 | } | |
305 | ||
306 | init(); | |
307 | ||
308 | } | |
309 | ||
ebd8d4e8 IC |
310 | function showMore() { |
311 | var start = DOM.addresses.children().length; | |
312 | var rowsToAdd = parseInt(DOM.rowsToAdd.val()); | |
313 | if (isNaN(rowsToAdd)) { | |
314 | rowsToAdd = 20; | |
315 | DOM.rowsToAdd.val("20"); | |
316 | } | |
317 | if (rowsToAdd > 200) { | |
318 | var msg = "Generating " + rowsToAdd + " rows could take a while. "; | |
319 | msg += "Do you want to continue?"; | |
320 | if (!confirm(msg)) { | |
321 | return; | |
322 | } | |
323 | } | |
ebd8d4e8 | 324 | displayAddresses(start, rowsToAdd); |
ebd8d4e8 IC |
325 | } |
326 | ||
327 | function clearDisplay() { | |
328 | clearAddressesList(); | |
329 | clearKey(); | |
330 | hideValidationError(); | |
331 | } | |
332 | ||
333 | function clearAddressesList() { | |
334 | DOM.addresses.empty(); | |
335 | } | |
336 | ||
337 | function clearKey() { | |
338 | DOM.rootKey.val(""); | |
339 | DOM.extendedPrivKey.val(""); | |
340 | DOM.extendedPubKey.val(""); | |
341 | } | |
342 | ||
343 | function addAddressToList(index, address, privkey) { | |
344 | var row = $(addressRowTemplate.html()); | |
700901cd IC |
345 | // Elements |
346 | var indexCell = row.find(".index span"); | |
347 | var addressCell = row.find(".address span"); | |
348 | var privkeyCell = row.find(".privkey span"); | |
349 | // Content | |
350 | indexCell.text(index); | |
351 | addressCell.text(address); | |
352 | privkeyCell.text(privkey); | |
353 | // Visibility | |
354 | if (!showIndex) { | |
355 | indexCell.addClass("invisible"); | |
356 | } | |
357 | if (!showAddress) { | |
358 | addressCell.addClass("invisible"); | |
359 | } | |
360 | if (!showPrivKey) { | |
361 | privkeCell.addClass("invisible"); | |
362 | } | |
ebd8d4e8 IC |
363 | DOM.addresses.append(row); |
364 | } | |
365 | ||
366 | function hasStrongRandom() { | |
367 | return 'crypto' in window && window['crypto'] !== null; | |
368 | } | |
369 | ||
370 | function disableForms() { | |
371 | $("form").on("submit", function(e) { | |
372 | e.preventDefault(); | |
373 | }); | |
374 | } | |
375 | ||
376 | function setBip44DerivationPath() { | |
377 | var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44); | |
378 | var coin = parseIntNoNaN(DOM.bip44coin.val(), 0); | |
379 | var account = parseIntNoNaN(DOM.bip44account.val(), 0); | |
380 | var change = parseIntNoNaN(DOM.bip44change.val(), 0); | |
381 | var path = "m/"; | |
382 | path += purpose + "'/"; | |
383 | path += coin + "'/"; | |
384 | path += account + "'/"; | |
385 | path += change; | |
386 | DOM.bip44path.val(path); | |
387 | } | |
388 | ||
389 | function parseIntNoNaN(val, defaultVal) { | |
390 | var v = parseInt(val); | |
391 | if (isNaN(v)) { | |
392 | return defaultVal; | |
393 | } | |
394 | return v; | |
395 | } | |
396 | ||
397 | function showPending() { | |
398 | DOM.feedback | |
399 | .text("Calculating...") | |
400 | .show(); | |
401 | } | |
402 | ||
403 | function hidePending() { | |
404 | DOM.feedback | |
405 | .text("") | |
406 | .hide(); | |
407 | } | |
408 | ||
d6cedc94 IC |
409 | function enableBip44Tab() { |
410 | // show bip44 tab (but don't select it) | |
411 | DOM.bip44tab.removeClass("hidden"); | |
412 | DOM.bip44panel.removeClass("hidden"); | |
413 | } | |
414 | ||
415 | function disableBip44Tab() { | |
416 | // hide bip44 tab | |
417 | DOM.bip44tab.addClass("hidden"); | |
418 | DOM.bip44tab.removeClass("active"); | |
419 | // hide bip44 panel | |
420 | DOM.bip44panel.addClass("hidden"); | |
421 | DOM.bip44panel.removeClass("active"); | |
422 | // show bip32 tab | |
423 | DOM.bip32tab.addClass("active"); | |
424 | // show bip32 panel | |
425 | DOM.bip32panel.addClass("active"); | |
426 | // set the derivation path | |
427 | var activePath = $("#bip32 .path"); | |
428 | derivationPath = activePath.val(); | |
429 | } | |
430 | ||
ebd8d4e8 IC |
431 | init(); |
432 | ||
433 | })(); |