]>
git.immae.eu Git - perso/Immae/Projets/Cryptomonnaies/BIP39.git/blob - src/js/index.js
9ea5bb56fcc613d2c63f0bf62410896c29cb11b2
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();
66 populateNetworkSelect();
71 function networkChanged(e
) {
72 var network
= e
.target
.value
;
73 networks
[network
].onSelect();
74 setBip44DerivationPath();
75 delayedPhraseChanged();
78 function delayedPhraseChanged() {
79 hideValidationError();
81 if (phraseChangeTimeoutEvent
!= null) {
82 clearTimeout(phraseChangeTimeoutEvent
);
84 phraseChangeTimeoutEvent
= setTimeout(phraseChanged
, 400);
87 function phraseChanged() {
89 hideValidationError();
90 // Get the mnemonic phrase
91 var phrase
= DOM
.phrase
.val();
92 var passphrase
= DOM
.passphrase
.val();
93 var errorText
= findPhraseErrors(phrase
);
95 showValidationError(errorText
);
98 // Get the derivation path
99 var errorText
= findDerivationPathErrors();
101 showValidationError(errorText
);
104 // Calculate and display
105 calcBip32Seed(phrase
, passphrase
, derivationPath
);
110 function generateClicked() {
113 setTimeout(function() {
114 var phrase
= generateRandomPhrase();
122 function tabClicked(e
) {
123 var activePath
= $(e
.target
.getAttribute("href") + " .path");
124 derivationPath
= activePath
.val();
128 function derivationChanged() {
129 delayedPhraseChanged();
132 function bip32Changed() {
133 derivationPath
= DOM
.bip32path
.val();
137 function bip44Changed() {
138 setBip44DerivationPath();
139 derivationPath
= DOM
.bip44path
.val();
143 function toggleIndexes() {
144 showIndex
= !showIndex
;
145 $("td.index span").toggleClass("invisible");
148 function toggleAddresses() {
149 showAddress
= !showAddress
;
150 $("td.address span").toggleClass("invisible");
153 function togglePrivateKeys() {
154 showPrivKey
= !showPrivKey
;
155 $("td.privkey span").toggleClass("invisible");
160 function generateRandomPhrase() {
161 if (!hasStrongRandom()) {
162 var errorText
= "This browser does not support strong randomness";
163 showValidationError(errorText
);
166 var numWords
= parseInt(DOM
.strength
.val());
167 // Check strength is an integer
168 if (isNaN(numWords
)) {
169 DOM
.strength
.val("12");
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
);
177 // Check strength is at least 32
180 DOM
.strength
.val(numWords
);
182 var strength
= numWords
/ 3 * 32;
183 var words
= mnemonic
.generate(strength
);
184 DOM
.phrase
.val(words
);
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
);
200 var hardened
= bit
[bit
.length
-1] == "'";
202 bip32ExtendedKey
= bip32ExtendedKey
.deriveHardened(index
);
205 bip32ExtendedKey
= bip32ExtendedKey
.derive(index
);
210 function showValidationError(errorText
) {
216 function hideValidationError() {
222 function findPhraseErrors(phrase
) {
223 // TODO make this right
224 // Preprocess the words
225 phrase
= mnemonic
.normalizeString(phrase
);
226 var parts
= phrase
.split(" ");
228 for (var i
=0; i
<parts
.length
; i
++) {
230 if (part
.length
> 0) {
231 // TODO check that lowercasing is always valid to do
232 proper
.push(part
.toLowerCase());
235 // TODO some levenstein on the words
236 var properPhrase
= proper
.join(' ');
237 // Check the words are valid
238 var isValid
= mnemonic
.check(properPhrase
);
240 return "Invalid mnemonic";
245 function findDerivationPathErrors(path
) {
250 function displayBip32Info() {
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);
263 function displayAddresses(start
, total
) {
264 for (var i
=0; i
<total
; i
++) {
265 var index
= i
+ start
;
270 function TableRow(index
) {
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
);
289 function showMore() {
290 var start
= DOM
.addresses
.children().length
;
291 var rowsToAdd
= parseInt(DOM
.rowsToAdd
.val());
292 if (isNaN(rowsToAdd
)) {
294 DOM
.rowsToAdd
.val("20");
296 if (rowsToAdd
> 200) {
297 var msg
= "Generating " + rowsToAdd
+ " rows could take a while. ";
298 msg
+= "Do you want to continue?";
303 displayAddresses(start
, rowsToAdd
);
306 function clearDisplay() {
307 clearAddressesList();
309 hideValidationError();
312 function clearAddressesList() {
313 DOM
.addresses
.empty();
316 function clearKey() {
318 DOM
.extendedPrivKey
.val("");
319 DOM
.extendedPubKey
.val("");
322 function addAddressToList(index
, address
, privkey
) {
323 var row
= $(addressRowTemplate
.html());
325 var indexCell
= row
.find(".index span");
326 var addressCell
= row
.find(".address span");
327 var privkeyCell
= row
.find(".privkey span");
329 indexCell
.text(index
);
330 addressCell
.text(address
);
331 privkeyCell
.text(privkey
);
334 indexCell
.addClass("invisible");
337 addressCell
.addClass("invisible");
340 privkeCell
.addClass("invisible");
342 DOM
.addresses
.append(row
);
345 function hasStrongRandom() {
346 return 'crypto' in window
&& window
['crypto'] !== null;
349 function disableForms() {
350 $("form").on("submit", function(e
) {
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);
361 path
+= purpose
+ "'/";
363 path
+= account
+ "'/";
365 DOM
.bip44path
.val(path
);
368 function parseIntNoNaN(val
, defaultVal
) {
369 var v
= parseInt(val
);
376 function showPending() {
378 .text("Calculating...")
382 function hidePending() {
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
);
401 onSelect: function() {
402 network
= Bitcoin
.networks
.bitcoin
;
403 DOM
.bip44coin
.val(0);
404 DOM
.myceliumPath
.val("m/44'/0'/0'/0");
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");
417 onSelect: function() {
418 network
= Bitcoin
.networks
.litecoin
;
419 DOM
.bip44coin
.val(2);
424 onSelect: function() {
425 network
= Bitcoin
.networks
.dogecoin
;
426 DOM
.bip44coin
.val(3);