]>
git.immae.eu Git - perso/Immae/Projets/Cryptomonnaies/BIP39.git/blob - src/js/index.js
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");
10 var showAddress
= true;
11 var showPrivKey
= true;
13 var phraseChangeTimeoutEvent
= null;
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");
45 var derivationPath
= $(".tab-pane.active .path").val();
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
);
65 hideValidationError();
70 function networkChanged(e
) {
71 var network
= e
.target
.value
;
72 if (network
in networks
) {
73 networks
[network
].onSelect();
78 setBip44DerivationPath();
79 delayedPhraseChanged();
82 function delayedPhraseChanged() {
83 hideValidationError();
85 if (phraseChangeTimeoutEvent
!= null) {
86 clearTimeout(phraseChangeTimeoutEvent
);
88 phraseChangeTimeoutEvent
= setTimeout(phraseChanged
, 400);
91 function phraseChanged() {
93 hideValidationError();
94 // Get the mnemonic phrase
95 var phrase
= DOM
.phrase
.val();
96 var passphrase
= DOM
.passphrase
.val();
97 var errorText
= findPhraseErrors(phrase
);
99 showValidationError(errorText
);
102 // Get the derivation path
103 var errorText
= findDerivationPathErrors();
105 showValidationError(errorText
);
108 // Calculate and display
109 calcBip32Seed(phrase
, passphrase
, derivationPath
);
114 function generateClicked() {
117 setTimeout(function() {
118 var phrase
= generateRandomPhrase();
126 function tabClicked(e
) {
127 var activePath
= $(e
.target
.getAttribute("href") + " .path");
128 derivationPath
= activePath
.val();
132 function derivationChanged() {
133 delayedPhraseChanged();
136 function bip32Changed() {
137 derivationPath
= DOM
.bip32path
.val();
141 function bip44Changed() {
142 setBip44DerivationPath();
143 derivationPath
= DOM
.bip44path
.val();
147 function toggleIndexes() {
148 showIndex
= !showIndex
;
149 $("td.index span").toggleClass("invisible");
152 function toggleAddresses() {
153 showAddress
= !showAddress
;
154 $("td.address span").toggleClass("invisible");
157 function togglePrivateKeys() {
158 showPrivKey
= !showPrivKey
;
159 $("td.privkey span").toggleClass("invisible");
164 function generateRandomPhrase() {
165 if (!hasStrongRandom()) {
166 var errorText
= "This browser does not support strong randomness";
167 showValidationError(errorText
);
170 var numWords
= parseInt(DOM
.strength
.val());
171 // Check strength is an integer
172 if (isNaN(numWords
)) {
173 DOM
.strength
.val("12");
176 // Check strength is a multiple of 32, if not round it down
177 if (numWords
% 3 != 0) {
178 numWords
= Math
.floor(numWords
/ 3) * 3;
179 DOM
.strength
.val(numWords
);
181 // Check strength is at least 32
184 DOM
.strength
.val(numWords
);
186 var strength
= numWords
/ 3 * 32;
187 var words
= mnemonic
.generate(strength
);
188 DOM
.phrase
.val(words
);
192 function calcBip32Seed(phrase
, passphrase
, path
) {
193 var seed
= mnemonic
.toSeed(phrase
, passphrase
);
194 bip32RootKey
= Bitcoin
.HDNode
.fromSeedHex(seed
, network
);
195 bip32ExtendedKey
= bip32RootKey
;
196 // Derive the key from the path
197 var pathBits
= path
.split("/");
198 for (var i
=0; i
<pathBits
.length
; i
++) {
199 var bit
= pathBits
[i
];
200 var index
= parseInt(bit
);
204 var hardened
= bit
[bit
.length
-1] == "'";
206 bip32ExtendedKey
= bip32ExtendedKey
.deriveHardened(index
);
209 bip32ExtendedKey
= bip32ExtendedKey
.derive(index
);
214 function showValidationError(errorText
) {
220 function hideValidationError() {
226 function findPhraseErrors(phrase
) {
227 // TODO make this right
228 // Preprocess the words
229 phrase
= mnemonic
.normalizeString(phrase
);
230 var parts
= phrase
.split(" ");
232 for (var i
=0; i
<parts
.length
; i
++) {
234 if (part
.length
> 0) {
235 // TODO check that lowercasing is always valid to do
236 proper
.push(part
.toLowerCase());
239 // TODO some levenstein on the words
240 var properPhrase
= proper
.join(' ');
241 // Check the words are valid
242 var isValid
= mnemonic
.check(properPhrase
);
244 return "Invalid mnemonic";
249 function findDerivationPathErrors(path
) {
254 function displayBip32Info() {
256 var rootKey
= bip32RootKey
.toBase58();
257 DOM
.rootKey
.val(rootKey
);
258 var extendedPrivKey
= bip32ExtendedKey
.toBase58();
259 DOM
.extendedPrivKey
.val(extendedPrivKey
);
260 var extendedPubKey
= bip32ExtendedKey
.toBase58(false);
261 DOM
.extendedPubKey
.val(extendedPubKey
);
262 // Display the addresses and privkeys
263 clearAddressesList();
264 displayAddresses(0, 20);
267 function displayAddresses(start
, total
) {
268 for (var i
=0; i
<total
; i
++) {
269 var index
= i
+ start
;
274 function TableRow(index
) {
280 function calculateValues() {
281 setTimeout(function() {
282 var key
= bip32ExtendedKey
.derive(index
);
283 var address
= key
.getAddress().toString();
284 var privkey
= key
.privKey
.toWIF(network
);
285 addAddressToList(index
, address
, privkey
);
293 function showMore() {
294 var start
= DOM
.addresses
.children().length
;
295 var rowsToAdd
= parseInt(DOM
.rowsToAdd
.val());
296 if (isNaN(rowsToAdd
)) {
298 DOM
.rowsToAdd
.val("20");
300 if (rowsToAdd
> 200) {
301 var msg
= "Generating " + rowsToAdd
+ " rows could take a while. ";
302 msg
+= "Do you want to continue?";
307 displayAddresses(start
, rowsToAdd
);
310 function clearDisplay() {
311 clearAddressesList();
313 hideValidationError();
316 function clearAddressesList() {
317 DOM
.addresses
.empty();
320 function clearKey() {
322 DOM
.extendedPrivKey
.val("");
323 DOM
.extendedPubKey
.val("");
326 function addAddressToList(index
, address
, privkey
) {
327 var row
= $(addressRowTemplate
.html());
329 var indexCell
= row
.find(".index span");
330 var addressCell
= row
.find(".address span");
331 var privkeyCell
= row
.find(".privkey span");
333 indexCell
.text(index
);
334 addressCell
.text(address
);
335 privkeyCell
.text(privkey
);
338 indexCell
.addClass("invisible");
341 addressCell
.addClass("invisible");
344 privkeCell
.addClass("invisible");
346 DOM
.addresses
.append(row
);
349 function hasStrongRandom() {
350 return 'crypto' in window
&& window
['crypto'] !== null;
353 function disableForms() {
354 $("form").on("submit", function(e
) {
359 function setBip44DerivationPath() {
360 var purpose
= parseIntNoNaN(DOM
.bip44purpose
.val(), 44);
361 var coin
= parseIntNoNaN(DOM
.bip44coin
.val(), 0);
362 var account
= parseIntNoNaN(DOM
.bip44account
.val(), 0);
363 var change
= parseIntNoNaN(DOM
.bip44change
.val(), 0);
365 path
+= purpose
+ "'/";
367 path
+= account
+ "'/";
369 DOM
.bip44path
.val(path
);
372 function parseIntNoNaN(val
, defaultVal
) {
373 var v
= parseInt(val
);
380 function showPending() {
382 .text("Calculating...")
386 function hidePending() {
395 onSelect: function() {
396 network
= Bitcoin
.networks
.bitcoin
;
397 DOM
.bip44coin
.val(0);
398 DOM
.myceliumPath
.val("m/44'/0'/0'/0");
402 name: "Bitcoin Testnet",
403 onSelect: function() {
404 network
= Bitcoin
.networks
.testnet
;
405 DOM
.bip44coin
.val(1);
406 DOM
.myceliumPath
.val("m/44'/1'/0'/0");
411 onSelect: function() {
412 network
= Bitcoin
.networks
.litecoin
;
413 DOM
.bip44coin
.val(2);
418 onSelect: function() {
419 network
= Bitcoin
.networks
.dogecoin
;
420 DOM
.bip44coin
.val(3);