forked from bitspill/fluffy-enigma
-
Notifications
You must be signed in to change notification settings - Fork 0
/
SimpleWallet.js
555 lines (530 loc) · 21.4 KB
/
SimpleWallet.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
/*
* SimpleWallet.js
*
* This is the <modified> core of the LiteVault, all of this Typescript
* and/or related javascript is held under the AGPL Licence
* unless otherwise noted on the Git repository
*
* Created by Someguy123 (http://someguy123.com)
* Modified by bitspill
*/
var flovaultBaseURL = "https://flovault.alexandria.io";
var florinsightBaseURL = "https://florinsight.alexandria.io";
var Wallet = (function () {
function Wallet(identifier, password) {
this.addresses = {};
this.balances = {};
this.coin_network = Bitcoin.networks.florincoin;
this.CryptoConfig = {
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Iso10126,
iterations: 5
};
this.identifier = identifier;
this.password = password;
this.known_spent = [];
this.known_unspent = [];
if('spentdata' in localStorage) {
try {
var spdata = JSON.parse(localStorage.spentdata);
this.known_spent = spdata.spent;
this.known_unspent = spdata.unspent;
} catch(e) {
// local data is corrupt?
delete localStorage['spentdata'];
}
}
};
Wallet.prototype.putSpent = function (spent) {
this.known_spent.push(spent);
var unspent = this.known_unspent;
// clean out known unspent
for (var v in unspent) {
if (JSON.stringify(spent) == JSON.stringify(unspent[v])) {
delete this.known_unspent[k];
}
}
this.storeSpent();
};
Wallet.prototype.putUnspent = function (spent) {
this.known_unspent.push(spent);
this.storeSpent();
};
Wallet.prototype.storeSpent = function() {
var spdata = {spent: this.known_spent, unspent: this.known_unspent};
localStorage.spentdata = JSON.stringify(spdata);
}
/**
* setSharedKey()
*
* This is used when the wallet is first created, we get the shared key
* from the server, we give it to this wallet object using this function
* because we haven't yet written the encrypted wallet to the server
* which contains the shared key.
*
* @param sKey
*/
Wallet.prototype.setSharedKey = function (sKey) {
this.shared_key = sKey;
};
Wallet.prototype.generateAddress = function () {
var key = Bitcoin.ECKey.makeRandom();
var PubKey = key.pub.getAddress(this.coin_network).toString();
var PrivKey = key.toWIF(this.coin_network);
this.addAddress(PubKey, {label: "", priv: PrivKey, addr: PubKey});
this.refreshBalances();
this.store();
};
Wallet.prototype.addAddress = function (address, data) {
if (address in this.addresses) {
alert("Warning: address " + address + " already exists, skipping.");
}
else {
this.addresses[address] = data;
}
};
Wallet.prototype.load = function (_success) {
if (_success === void 0) {
_success = function () {
};
}
var _this = this;
$.get(flovaultBaseURL + '/wallet/load/' + this.identifier, function (data) {
if (data.error !== false) {
alert(data.error.message);
}
else {
var decWallet, decWalletString, decWalletJSON;
//console.log("Decrypting data: '" + data.wallet + "' with password " + _this.password);
console.log('Decrypting wallet');
try {
// Decrypt wallet
decWallet = CryptoJS.AES.decrypt(data.wallet, _this.password, _this.CryptoConfig);
decWalletString = decWallet.toString(CryptoJS.enc.Utf8);
// Load the JSON, then use it to initialize the wallet
decWalletJSON = JSON.parse(decWalletString);
_this.setSharedKey(decWalletJSON.shared_key);
_this.addresses = decWalletJSON.addresses;
console.log('Wallet loaded successfully. Refreshing balances and running success callback.');
try {
_this.refreshBalances();
// run the success callback
_success();
}
catch (ex) {
alert("There was an error rendering this page. Please contact an administrator.");
console.log(ex);
}
}
catch (ex) {
alert("Error decrypting wallet - Invalid password?");
console.log(ex);
}
}
}, "json").fail(function () {
alert("Error loading wallet from server. Possible connection problems");
});
};
Wallet.prototype.store = function () {
var walletData = this.wallet_serialize();
console.log("Encrypting data");
var encWalletData = CryptoJS.AES.encrypt(walletData, this.password, this.CryptoConfig);
var encWalletDataCipher = encWalletData.toString();
var _this = this;
$.post(flovaultBaseURL + "/wallet/update", {
identifier: this.identifier,
shared_key: this.shared_key,
wallet_data: encWalletDataCipher
}, function (data) {
if (data.error !== false) {
alert(data.error.message);
alert('WARNING: There was an error saving your wallet. ' +
'If you have created new addresses in the past few minutes, ' +
'please save their private keys ASAP, as your encrypted wallet' +
' may not have been updated properly on our servers.');
}
}, "json").fail(function () {
alert('WARNING: There was an error saving your wallet. ' +
'If you have created new addresses in the past few minutes, ' +
'please save their private keys ASAP, as your encrypted wallet' +
' may not have been updated properly on our servers.');
});
};
/**
* refreshBalances(callback)
*
* Updates balances from server, then outputs the balance map
* to the callback function.
*
* @param callback(balances)
*/
Wallet.prototype.refreshBalances = function (callback) {
if (callback === void 0) {
callback = function (balances) {
};
}
var _this = this;
for (var i in this.addresses) {
$.get(flovaultBaseURL + '/wallet/getbalances/' + this.addresses[i].addr, function (data) {
if (data) {
var addr_data = data;
_this.setBalance(addr_data['addrStr'], addr_data['balance']);
}
}, "json");
}
};
Wallet.prototype.getUnspent = function (address, callback) {
$.get(florinsightBaseURL + '/api/addr/' + address + '/utxo', function (data) {
console.log(data);
// put into window var
var output;
// blockr's API is inconsistent and returns a bare object
// if there's only one unspent. We fix that and return an array ALWAYS.
if (Array.isArray(data)) {
callback(data);
}
else {
callback([data]);
}
}, "json");
};
/**
* Attempts to remove inputs that are known to be spent.
* This helps avoid problems when sending multiple transactions shortly
* after eachother.
*/
Wallet.prototype.removeSpent = function (coins) {
console.log("removeSpent");
console.log(JSON.stringify(coins));
var clean_coins = coins;
for (var v in this.known_spent) {
for (var k in coins) {
if (JSON.stringify(coins[k]) == JSON.stringify(this.known_spent[v])) {
delete clean_coins[k];
}
}
}
console.log(JSON.stringify(clean_coins));
return clean_coins;
};
Wallet.prototype.mergeUnspent = function (unspent, address) {
var merged = unspent;
console.log("!unspent!");
console.log(JSON.stringify(unspent, null, 2));
for (var i = 0; i < this.known_unspent.length; ++i)
if (this.known_unspent[i].address == address) {
var dupe = false;
for (var j = 0; j < unspent.length; ++j)
if (this.known_unspent[i].txid == merged[j].txid &&
this.known_unspent[i].vout == merged[j].vout) {
dupe = true;
break;
}
if (!dupe)
merged.push(this.known_unspent[i]);
}
console.log("!known_unspent!");
console.log(JSON.stringify(this.known_unspent, null, 2));
console.log("!merged!");
console.log(JSON.stringify(merged, null, 2));
return merged;
};
/**
* calculateBestUnspent()
*
* Sorts passed in unspents by confirmations descending.
*
* Returns an object containing the required unspents to match the
* amount requested, as well as the total Litecoin value of them.
*
* @param amount (amount of coins to reach)
* @param unspents (array of Unspent Transactions)
* @returns {{unspent: Array<UnspentTX>, total: number}}
*/
Wallet.prototype.calculateBestUnspent = function (amount, unspents) {
console.log("calcBestUnspent");
console.log(unspents);
// note: unspents = [ {tx, amount, n, confirmations, script}, ... ]
// TODO: implement a real algorithm to determine the best unspents
// e.g. compare the size to the confirmations so that larger coins
// are used, as well as ones with the highest confirmations.
unspents.sort(function (a, b) {
// if (a.confirmations > b.confirmations) {
// return -1;
// }
// if (a.confirmations < b.confirmations) {
// return 1;
// }
if (a.amount > b.amount) {
return 1;
}
if (a.amount < b.amount) {
return -1;
}
return 0;
});
var CutUnspent = [], CurrentAmount = 0;
for (var v in unspents) {
// if (parseFloat(unspents[v].amount) > amount) {
// CurrentAmount += parseFloat(unspents[v].amount);
// CutUnspent.push(unspents[v]);
// break;
// }
CurrentAmount += parseFloat(unspents[v].amount);
CutUnspent.push(unspents[v]);
if (CurrentAmount > amount) {
break;
}
}
if (CurrentAmount < amount) {
throw "Not enough coins in unspents to reach target amount";
}
return {unspent: CutUnspent, total: CurrentAmount};
};
Wallet.prototype.validateKey = function (key, priv) {
if (priv === void 0) {
priv = false;
}
try {
var version;
// are we validating a private key?
if (priv === true) {
version = this.coin_network.wif;
}
else {
version = this.coin_network.pubKeyHash;
}
var decoded = Bitcoin.base58check.decode(key);
if( this.coin_network == Bitcoin.networks.florincoin && priv == true){
// Backwards compatibility for private keys saved under litecoin settings.
return decoded[0] == Bitcoin.networks.florincoin.wif || decoded[0] == Bitcoin.networks.litecoin.wif
}
// is this address for the right network?
return (decoded[0] == version);
}
catch (ex) {
// exceptions mean invalid address
return false;
}
};
Wallet.prototype.sortTransactions = function (transactions) {
var allTransactions = [];
for (var v in transactions) {
if (transactions[v]) {
var newTx = transactions[v];
allTransactions.push(newTx);
}
}
return allTransactions;
};
Wallet.prototype.sendCoins = function (fromAddress, toAddress, amount, txComment, callback) {
if (typeof txComment == "undefined")
txComment = '';
if (typeof txComment == typeof Function) {
callback = txComment;
txComment = '';
}
if (typeof callback != typeof Function)
callback = function (err, data) {
};
var _this = this;
if (this.validateKey(toAddress) && this.validateKey(fromAddress)) {
if (fromAddress in this.addresses && this.validateKey(this.addresses[fromAddress].priv, true)) {
this.refreshBalances();
if (this.balances[fromAddress] < amount) {
alert("You don't have enough coins to do that");
return;
}
this.getUnspent(fromAddress, function (data) {
var merged = _this.mergeUnspent(data, fromAddress);
var clean_unspent = _this.removeSpent(merged);
data = _this.calculateBestUnspent(amount, clean_unspent);
console.log(data);
// temporary constant
var minFeePerKb = 100000;
var tx = new Bitcoin.Transaction();
// IMPORTANT! We're dealing with Satoshis now
var totalUnspent = parseInt((data.total * Math.pow(10, 8)).toString());
amount = parseInt((amount * Math.pow(10, 8)).toString());
if (amount < minFeePerKb) {
alert("You must send at least 0.001 FLO (otherwise your transaction may get rejected)");
return;
}
console.log('Sending ' + amount + ' satoshis from ' + fromAddress + ' to ' + toAddress + ' unspent amt: ' + totalUnspent);
var unspents = data.unspent;
_this.putSpent.bind(_this);
for (var v in unspents) {
if (unspents[v].confirmations) {
tx.addInput(unspents[v].txid, unspents[v].vout);
_this.putSpent(unspents[v]);
}
}
tx.addOutput(toAddress, amount);
console.log(tx);
var estimatedFee = _this.coin_network.estimateFee(tx);
if (estimatedFee > 0) {
// Temporary fix for "stuck" transactions
// estimatedFee = estimatedFee * 3;
}
if ((amount + estimatedFee) > totalUnspent) {
alert("Can't fit fee of " + estimatedFee / Math.pow(10, 8) + " - lower your sending amount");
console.log('WARNING: Total is greater than total unspent: %s - Actual Fee: %s', totalUnspent, estimatedFee);
return;
}
var changeValue = parseInt((totalUnspent - amount - estimatedFee).toString());
// only give change if it's bigger than the minimum fee
if (changeValue >= minFeePerKb) {
tx.addOutput(fromAddress, changeValue);
}
tx.ins.forEach(function (input, index) {
tx.sign(index, new Bitcoin.ECKey.fromWIF(_this.addresses[fromAddress].priv));
});
console.log('Sending amount %s to address %s - Change value: %s - Fee in satoshis: %s - Fee in standard: %s', amount / Math.pow(10, 8), toAddress, changeValue / Math.pow(10, 8), estimatedFee, (estimatedFee / Math.pow(10, 8)));
var rawHex = tx.toHex();
console.log(rawHex);
console.log("Comment:");
console.log(txComment);
var lenBuffer = Bitcoin.bufferutils.varIntBuffer(txComment.length);
var hexComment = '';
for (var i = 0; i < lenBuffer.length; ++i) {
hexComment += toHex(lenBuffer[i]);
}
for (i = 0; i < txComment.length; ++i) {
hexComment += toHex(txComment.charCodeAt(i));
}
rawHex += hexComment;
console.log("Raw");
console.log(rawHex);
_this.pushTX(rawHex, function (data) {
_this.putUnspent.bind(_this);
// If I'm paying myself it's known_unspent
if (toAddress == fromAddress) {
_this.putUnspent({
address: toAddress,
txid: data.txid,
vout: 0,
confirmations: -1,
amount: amount / Math.pow(10, 8)
});
}
// Add the change as a known_unspent
if (changeValue >= minFeePerKb)
_this.putUnspent({
address: fromAddress,
txid: data.txid,
vout: 1,
confirmations: -1,
amount: changeValue / Math.pow(10, 8)
});
try {
beep(300, 4);
}
catch (e) {
console.error('Beep is not supported by this browser???');
}
if (typeof callback == typeof Function)
callback(null, data);
});
});
this.refreshBalances();
}
else {
alert("Error: You don't own that address!");
}
}
else {
alert('Error: Your sending or recipient address is invalid. Please check for any typos');
}
};
Wallet.prototype.pushTX = function (tx, callback) {
if (callback === void 0) {
callback = function (data) {
};
}
var _this = this;
$.post(flovaultBaseURL + '/wallet/pushtx', {hex: tx}, function (data) {
if (!data.txid) {
alert('There was an error pushing your transaction. May be a temporary problem, please try again later.');
}
else {
callback(data);
}
_this.refreshBalances();
}, "json").fail(function () {
alert('There was an error pushing your transaction. May be a temporary problem, please try again later.');
});
};
Wallet.prototype.setBalance = function (address, balance) {
this.balances[address] = balance;
};
/**
* getTotalBalance()
*
* This function returns the total balance calculated
* from this.balances; NOTE: It does NOT update the balance
* from the server, if you need that, do this.refreshBalances();
* before executing this function to get an up to date result.
*
* ~~Someguy123
*/
Wallet.prototype.getTotalBalance = function () {
var total = 0;
for (var v in this.balances) {
total += parseFloat(this.balances[v].toString());
}
return total;
};
Wallet.prototype.signMessage = function (address, message) {
var privkey = new Bitcoin.ECKey.fromWIF(this.addresses[address].priv);
var signed_message = Bitcoin.Message.sign(privkey, message, this.coin_network);
return signed_message.toString('base64');
};
/**
* wallet_serialize()
*
* Returns the JSON version of the wallet, including
* only the necessities, such as the shared key,
* addresses, labels, and private keys
*
* @param prettify
* @returns {string}
*/
Wallet.prototype.wallet_serialize = function (prettify) {
if (prettify === void 0) {
prettify = false;
}
var walletdata = ({
shared_key: this.shared_key,
addresses: this.addresses
});
if (prettify) {
return JSON.stringify(walletdata, null, "\t");
}
else {
return JSON.stringify(walletdata);
}
};
return Wallet;
})();
$('#login-btn').click(function () {
var identifier = $('#identifier-txt').val(), password = $('#password-txt').val();
$.cookie('identifier', identifier);
wallet = new Wallet(identifier, password);
$.get('/wallet/checkload/' + identifier, function (data) {
if (data.error) {
alert('error loading wallet: ' + data.error.message);
}
else {
console.log(data);
// note: if 2FA is disabled, this will also be true
if (data.auth_key_isvalid === true) {
initializeWallet(wallet);
}
}
}, "json").fail(function () {
alert('error loading wallet');
});
});
function toHex(d) {
return ("0" + (Number(d).toString(16))).slice(-2).toUpperCase()
}