]>
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
.bip44Network
= $("#network-bip44");
19 DOM
.addressNetwork
= $("#network-address-type");
20 DOM
.phrase
= $(".phrase");
21 DOM
.passphrase
= $(".passphrase");
22 DOM
.generate
= $(".generate");
23 DOM
.rootKey
= $(".root-key");
24 DOM
.extendedPrivKey
= $(".extended-priv-key");
25 DOM
.extendedPubKey
= $(".extended-pub-key");
26 DOM
.bip32tab
= $("#bip32-tab");
27 DOM
.bip44tab
= $("#bip44-tab");
28 DOM
.bip32panel
= $("#bip32");
29 DOM
.bip44panel
= $("#bip44");
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");
46 var derivationPath
= DOM
.bip44path
.val();
50 DOM
.network
.on("change", networkChanged
);
51 DOM
.phrase
.on("input", delayedPhraseChanged
);
52 DOM
.passphrase
.on("input", delayedPhraseChanged
);
53 DOM
.generate
.on("click", generateClicked
);
54 DOM
.more
.on("click", showMore
);
55 DOM
.bip32path
.on("input", bip32Changed
);
56 DOM
.bip44purpose
.on("input", bip44Changed
);
57 DOM
.bip44coin
.on("input", bip44Changed
);
58 DOM
.bip44account
.on("input", bip44Changed
);
59 DOM
.bip44change
.on("input", bip44Changed
);
60 DOM
.tab
.on("click", tabClicked
);
61 DOM
.indexToggle
.on("click", toggleIndexes
);
62 DOM
.addressToggle
.on("click", toggleAddresses
);
63 DOM
.privateKeyToggle
.on("click", togglePrivateKeys
);
66 hideValidationError();
71 function networkChanged(e
) {
72 var n
= e
.target
.value
;
74 network
= Bitcoin
.networks
.bitcoin
;
77 else if (n
== "bitcoin-testnet") {
78 network
= Bitcoin
.networks
.testnet
;
81 else if (n
== "litecoin") {
82 network
= Bitcoin
.networks
.litecoin
;
85 else if (n
== "dogecoin") {
86 network
= Bitcoin
.networks
.dogecoin
;
87 var NO_BIP44_VALUE
= 9999;
88 DOM
.bip44coin
.val(NO_BIP44_VALUE
); // This coin is not in BIP44
90 setBip44DerivationPath();
91 DOM
.phraseNetwork
.val(n
);
92 DOM
.bip44Network
.val(n
);
93 if(e
.target
!= DOM
.addressNetwork
.dom
){
94 DOM
.addressNetwork
.val(n
);
96 delayedPhraseChanged();
99 function delayedPhraseChanged() {
100 hideValidationError();
102 if (phraseChangeTimeoutEvent
!= null) {
103 clearTimeout(phraseChangeTimeoutEvent
);
105 phraseChangeTimeoutEvent
= setTimeout(phraseChanged
, 400);
108 function phraseChanged() {
110 hideValidationError();
111 // Get the mnemonic phrase
112 var phrase
= DOM
.phrase
.val();
113 var passphrase
= DOM
.passphrase
.val();
114 var errorText
= findPhraseErrors(phrase
);
116 showValidationError(errorText
);
119 // Get the derivation path
120 var errorText
= findDerivationPathErrors();
122 showValidationError(errorText
);
125 // Calculate and display
126 calcBip32Seed(phrase
, passphrase
, derivationPath
);
131 function generateClicked() {
134 setTimeout(function() {
135 var phrase
= generateRandomPhrase();
143 function tabClicked(e
) {
144 var activePath
= $(e
.target
.getAttribute("href") + " .path");
145 derivationPath
= activePath
.val();
149 function derivationChanged() {
150 delayedPhraseChanged();
153 function bip32Changed() {
154 derivationPath
= DOM
.bip32path
.val();
158 function bip44Changed() {
159 setBip44DerivationPath();
160 derivationPath
= DOM
.bip44path
.val();
164 function toggleIndexes() {
165 showIndex
= !showIndex
;
166 $("td.index span").toggleClass("invisible");
169 function toggleAddresses() {
170 showAddress
= !showAddress
;
171 $("td.address span").toggleClass("invisible");
174 function togglePrivateKeys() {
175 showPrivKey
= !showPrivKey
;
176 $("td.privkey span").toggleClass("invisible");
181 function generateRandomPhrase() {
182 if (!hasStrongRandom()) {
183 var errorText
= "This browser does not support strong randomness";
184 showValidationError(errorText
);
187 var numWords
= parseInt(DOM
.strength
.val());
188 // Check strength is an integer
189 if (isNaN(numWords
)) {
190 DOM
.strength
.val("12");
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
);
198 // Check strength is at least 32
201 DOM
.strength
.val(numWords
);
203 var strength
= numWords
/ 3 * 32;
204 var words
= mnemonic
.generate(strength
);
205 DOM
.phrase
.val(words
);
209 function calcBip32Seed(phrase
, passphrase
, path
) {
210 var seed
= mnemonic
.toSeed(phrase
, passphrase
);
211 bip32RootKey
= Bitcoin
.HDNode
.fromSeedHex(seed
, network
);
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
);
221 var hardened
= bit
[bit
.length
-1] == "'";
223 bip32ExtendedKey
= bip32ExtendedKey
.deriveHardened(index
);
226 bip32ExtendedKey
= bip32ExtendedKey
.derive(index
);
231 function showValidationError(errorText
) {
237 function hideValidationError() {
243 function findPhraseErrors(phrase
) {
244 // TODO make this right
245 // Preprocess the words
246 phrase
= mnemonic
.normalizeString(phrase
);
247 var parts
= phrase
.split(" ");
249 for (var i
=0; i
<parts
.length
; i
++) {
251 if (part
.length
> 0) {
252 // TODO check that lowercasing is always valid to do
253 proper
.push(part
.toLowerCase());
256 // TODO some levenstein on the words
257 var properPhrase
= proper
.join(' ');
258 // Check the words are valid
259 var isValid
= mnemonic
.check(properPhrase
);
261 return "Invalid mnemonic";
266 function findDerivationPathErrors(path
) {
271 function displayBip32Info() {
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);
284 function displayAddresses(start
, total
) {
285 for (var i
=0; i
<total
; i
++) {
286 var index
= i
+ start
;
291 function TableRow(index
) {
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
);
310 function showMore() {
311 var start
= DOM
.addresses
.children().length
;
312 var rowsToAdd
= parseInt(DOM
.rowsToAdd
.val());
313 if (isNaN(rowsToAdd
)) {
315 DOM
.rowsToAdd
.val("20");
317 if (rowsToAdd
> 200) {
318 var msg
= "Generating " + rowsToAdd
+ " rows could take a while. ";
319 msg
+= "Do you want to continue?";
324 displayAddresses(start
, rowsToAdd
);
327 function clearDisplay() {
328 clearAddressesList();
330 hideValidationError();
333 function clearAddressesList() {
334 DOM
.addresses
.empty();
337 function clearKey() {
339 DOM
.extendedPrivKey
.val("");
340 DOM
.extendedPubKey
.val("");
343 function addAddressToList(index
, address
, privkey
) {
344 var row
= $(addressRowTemplate
.html());
346 var indexCell
= row
.find(".index span");
347 var addressCell
= row
.find(".address span");
348 var privkeyCell
= row
.find(".privkey span");
350 indexCell
.text(index
);
351 addressCell
.text(address
);
352 privkeyCell
.text(privkey
);
355 indexCell
.addClass("invisible");
358 addressCell
.addClass("invisible");
361 privkeCell
.addClass("invisible");
363 DOM
.addresses
.append(row
);
366 function hasStrongRandom() {
367 return 'crypto' in window
&& window
['crypto'] !== null;
370 function disableForms() {
371 $("form").on("submit", function(e
) {
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);
382 path
+= purpose
+ "'/";
384 path
+= account
+ "'/";
386 DOM
.bip44path
.val(path
);
389 function parseIntNoNaN(val
, defaultVal
) {
390 var v
= parseInt(val
);
397 function showPending() {
399 .text("Calculating...")
403 function hidePending() {