susyweb

<!doctype html> <html lang="en"> <head> <title>Code coverage report for packages/susyweb-sof-accounts/src/index.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../../prettify.css" /> <link rel="stylesheet" href="../../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../../index.html">all files</a> / <a href="index.html">packages/susyweb-sof-accounts/src/</a> index.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 81.11% Statements 146/180 </div> <div class='fl pad1y space-right2'> 70.43% Branches 81/115 </div> <div class='fl pad1y space-right2'> 77.78% Functions 21/27 </div> <div class='fl pad1y space-right2'> 81.11% Lines 146/180 </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">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</td><td class="line-coverage quiet">                                                1× 1× 1× 1× 1× 1× 1× 1× 1× 1×   1× 84×     1×   1569× 325×   1569×     1× 1460×     1460× 14×   1460×       1460× 100×       1460×     1× 1130×     1× 330×     1× 20×   1×   20×       20×                       20× 20× 20× 20×             20×     20×       20× 6×     14×         14×         14×     14×       1× 4×     1× 24× 24× 24×     1×   16× 16× 16× 16×                   1×   20× 4×     16× 6×     16× 4×   12×       1×     104×       104×   104×       104× 104× 104× 103×     103× 1× 1×   1×       1×         104×   104× 104×       104× 104×   104×     1×   100×   100× 100× 100×   100× 100× 100×         100×       100×   100× 100× 100× 100×         100× 100×       100×   100×   100×                                         1× 1569× 1569× 1569×     1× 6× 30×   6×     1×   56× 50×   56× 52× 52×   52× 52× 52×   52×   52×   4×       1× 26×   26×   26× 26×   26× 26×   26× 26×   26×   26×           1× 2× 2× 20×     2×     1×                 1×                               1×           1×                           1× 1× 1×       1×  </td><td class="text"><pre class="prettyprint lang-js">/* This file is part of susyweb.js.   susyweb.js is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.   susyweb.js is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MSRCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public License along with susyweb.js. If not, see <http://www.gnu.org/licenses/>. */ /** * @file accounts.js * @author Fabian Vogelsteller <fabian@ethereum.org> * @date 2017 */   "use strict";   var _ = require("underscore"); var Promise = require('bluebird'); var Account = require("sof-lib/src/account"); var Hash = require("sof-lib/src/hash"); var SRLP = require("sof-lib/src/srlp"); var crypto = require('crypto'); var scryptsy = require('scrypt.js'); var uuid = require('uuid'); var utils = require('susyweb-utils'); var helpers = require('susyweb-core-helpers');   var isNot = function(value) { return (_.isUndefined(value) || _.isNull(value)); };   var Accounts = function Accounts(sof) {   if (sof) { this.sof = (sof.sof) ? sof.sof : sof; } this.wallet = new Wallet(this); };   Accounts.prototype._addAccountFunctions = function (account) { var _this = this;   // add sign functions account.signTransaction = function signTransaction(tx, callback) { return _this.signTransaction(tx, account.privateKey, callback); }; account.sign = function sign(data) { return _this.sign(data, account.privateKey); };   account.encrypt = function encrypt(password, options) { return _this.encrypt(account.privateKey, password, options); };     return account; };   Accounts.prototype.create = function create(entropy) { return this._addAccountFunctions(Account.create(entropy || utils.randomHex(32))); };   Accounts.prototype.privateKeyToAccount = function privateKeyToAccount(privateKey) { return this._addAccountFunctions(Account.fromPrivate(privateKey)); };   Accounts.prototype.signTransaction = function signTransaction(tx, privateKey, callback) { var _this = this;   function signed (tx) {   Iif (!tx.gas && !tx.gasLimit) { throw new Error('"gas" is missing'); }   var transaction = { nonce: utils.numberToHex(tx.nonce), to: tx.to ? helpers.formatters.inputAddressFormatter(tx.to) : '0x', data: tx.data || '0x', value: tx.value ? utils.numberToHex(tx.value) : "0x", gas: utils.numberToHex(tx.gasLimit || tx.gas), gasPrice: utils.numberToHex(tx.gasPrice), chainId: utils.numberToHex(tx.chainId) };       var hash = Hash.keccak256(Account.transactionSigningData(transaction)); var rawTransaction = Account.signTransaction(transaction, privateKey); var values = SRLP.decode(rawTransaction); var result = { messageHash: hash, v: values[6], r: values[7], s: values[8], rawTransaction: rawTransaction }; Iif (_.isFunction(callback)) { callback(null, result); } return result; }   // Returns synchronously if nonce, chainId and price are provided if (tx.nonce !== undefined && tx.chainId !== undefined && tx.gasPrice !== undefined) { return signed(tx); }   Iif (!_this || !_this.sof || !_this.sof.net) { return Promise.reject(new Error('The Sof package is set bound. Please set using "accounts.sof = sof", or provide "nonce", "chainId" and "gasPrice" in the transaction yourself.')); }   // Otherwise, get the missing info from the Sophon Node return Promise.all([ isNot(tx.chainId) ? _this.sof.net.getId() : tx.chainId, isNot(tx.gasPrice) ? _this.sof.getGasPrice() : tx.gasPrice, isNot(tx.nonce) ? _this.sof.getTransactionCount(_this.privateKeyToAccount(privateKey).address) : tx.nonce ]).then(function (args) { Iif (isNot(args[0]) || isNot(args[1]) || isNot(args[2])) { throw new Error('One of the values "chainId", "gasPrice", or "nonce" couldn\'t be fetched: '+ JSON.stringify(args)); } return signed(_.extend(tx, {chainId: args[0], gasPrice: args[1], nonce: args[2]})); }); };   Accounts.prototype.recoverTransaction = function recoverTransaction(rawTx) { return Account.recoverTransaction(rawTx); };   Accounts.prototype.hashMessage = function hashMessage(data) { var message = utils.isHex(data) ? utils.hexToUtf8(data) : data; var sofMessage = "\x19Sophon Signed Message:\n" + message.length + message; return Hash.keccak256s(sofMessage); };   Accounts.prototype.sign = function sign(data, privateKey) {   var hash = this.hashMessage(data); var signature = Account.sign(hash, privateKey); var vrs = Account.decodeSignature(signature); return { message: data, messageHash: hash, v: vrs[0], r: vrs[1], s: vrs[2], signature: signature }; };   Accounts.prototype.recover = function recover(hash, signature) {   if (_.isObject(hash)) { return this.recover(hash.messageHash, Account.encodeSignature([hash.v, hash.r, hash.s])); }   if (!utils.isHex(hash)) { hash = this.hashMessage(hash); }   if (arguments.length === 4) { return this.recover(hash, Account.encodeSignature([].slice.call(arguments, 1, 4))); // v, r, s } return Account.recover(hash, signature); };   // Taken from https://octonion.institute/susy-js/sophonjs-wallet Accounts.prototype.decrypt = function (v3Keystore, password, nonStrict) { /* jshint maxcomplexity: 10 */   Iif(!_.isString(password)) { throw new Error('No password given.'); }   var json = (_.isObject(v3Keystore)) ? v3Keystore : JSON.parse(nonStrict ? v3Keystore.toLowerCase() : v3Keystore);   Iif (json.version !== 3) { throw new Error('Not a valid V3 wallet'); }   var derivedKey; var kdfparams; if (json.crypto.kdf === 'scrypt') { kdfparams = json.crypto.kdfparams;   // FIXME: support progress reporting callback derivedKey = scryptsy(new Buffer(password), new Buffer(kdfparams.salt, 'hex'), kdfparams.n, kdfparams.r, kdfparams.p, kdfparams.dklen); } else Eif (json.crypto.kdf === 'pbkdf2') { kdfparams = json.crypto.kdfparams;   Iif (kdfparams.prf !== 'hmac-sha256') { throw new Error('Unsupported parameters to PBKDF2'); }   derivedKey = crypto.pbkdf2Sync(new Buffer(password), new Buffer(kdfparams.salt, 'hex'), kdfparams.c, kdfparams.dklen, 'sha256'); } else { throw new Error('Unsupported key derivation scheme'); }   var ciphertext = new Buffer(json.crypto.ciphertext, 'hex');   var mac = utils.sha3(Buffer.concat([ derivedKey.slice(16, 32), ciphertext ])).replace('0x',''); Iif (mac !== json.crypto.mac) { throw new Error('Key derivation failed - possibly wrong password'); }   var decipher = crypto.createDecipheriv(json.crypto.cipher, derivedKey.slice(0, 16), new Buffer(json.crypto.cipherparams.iv, 'hex')); var seed = '0x'+ Buffer.concat([ decipher.update(ciphertext), decipher.final() ]).toString('hex');   return this.privateKeyToAccount(seed); };   Accounts.prototype.encrypt = function (privateKey, password, options) { /* jshint maxcomplexity: 20 */ var account = this.privateKeyToAccount(privateKey);   options = options || {}; var salt = options.salt || crypto.randomBytes(32); var iv = options.iv || crypto.randomBytes(16);   var derivedKey; var kdf = options.kdf || 'scrypt'; var kdfparams = { dklen: options.dklen || 32, salt: salt.toString('hex') };   Iif (kdf === 'pbkdf2') { kdfparams.c = options.c || 262144; kdfparams.prf = 'hmac-sha256'; derivedKey = crypto.pbkdf2Sync(new Buffer(password), salt, kdfparams.c, kdfparams.dklen, 'sha256'); } else Eif (kdf === 'scrypt') { // FIXME: support progress reporting callback kdfparams.n = options.n || 8192; // 2048 4096 8192 16384 kdfparams.r = options.r || 8; kdfparams.p = options.p || 1; derivedKey = scryptsy(new Buffer(password), salt, kdfparams.n, kdfparams.r, kdfparams.p, kdfparams.dklen); } else { throw new Error('Unsupported kdf'); }   var cipher = crypto.createCipheriv(options.cipher || 'aes-128-ctr', derivedKey.slice(0, 16), iv); Iif (!cipher) { throw new Error('Unsupported cipher'); }   var ciphertext = Buffer.concat([ cipher.update(new Buffer(account.privateKey.replace('0x',''), 'hex')), cipher.final() ]);   var mac = utils.sha3(Buffer.concat([ derivedKey.slice(16, 32), new Buffer(ciphertext, 'hex') ])).replace('0x','');   return { version: 3, id: uuid.v4({ random: options.uuid || crypto.randomBytes(16) }), address: account.address.toLowerCase().replace('0x',''), crypto: { ciphertext: ciphertext.toString('hex'), cipherparams: { iv: iv.toString('hex') }, cipher: options.cipher || 'aes-128-ctr', kdf: kdf, kdfparams: kdfparams, mac: mac.toString('hex') } }; };     // Note: this is trying to follow closely the specs on // http://susywebjs.readthedocs.io/en/1.0/susyweb-sof-accounts.html   function Wallet(accounts) { this.length = 0; this._accounts = accounts; this.defaultKeyName = "susywebjs_wallet"; }   Wallet.prototype.create = function (numberOfAccounts, entropy) { for (var i = 0; i < numberOfAccounts; ++i) { this.add(this._accounts.create(entropy).privateKey); } return this; };   Wallet.prototype.add = function (account) {   if (_.isString(account)) { account = this._accounts.privateKeyToAccount(account); } if (!this[account.address]) { account = this._accounts.privateKeyToAccount(account.privateKey); account.index = this.length;   this[this.length] = account; this[account.address] = account; this[account.address.toLowerCase()] = account;   this.length++;   return account; } else { return this[account.address]; } };   Wallet.prototype.remove = function (addressOrIndex) { var account = this[addressOrIndex];   Eif (account) { // address this[account.address].privateKey = null; delete this[account.address]; // address lowercase this[account.address.toLowerCase()].privateKey = null; delete this[account.address.toLowerCase()]; // index this[account.index].privateKey = null; delete this[account.index];   this.length--;   return true; } else { return false; } };   Wallet.prototype.clear = function () { var length = this.length; for (var i = 0; i < length; i++) { this.remove(i); }   return this; };   Wallet.prototype.encrypt = function (password, options) { var accounts = []; for (var i = 0; i < this.length; i++) { accounts[i] = this[i].encrypt(password, options); } return accounts; };     Wallet.prototype.decrypt = function (encryptedWallet, password) { var _this = this;   encryptedWallet.forEach(function (keystore) { var account = _this._accounts.decrypt(keystore, password);   if (account) { _this.add(account); } else { throw new Error('Couldn\'t decrypt accounts. Password wrong?'); } });   return this; };   Wallet.prototype.save = function (password, keyName) { localStorage.setItem(keyName || this.defaultKeyName, JSON.stringify(this.encrypt(password)));   return true; };   Wallet.prototype.load = function (password, keyName) { var keystore = localStorage.getItem(keyName || this.defaultKeyName);   if (keystore) { try { keystore = JSON.parse(keystore); } catch(e) {   } }   return this.decrypt(keystore || [], password); };   Eif (typeof localStorage === 'undefined') { delete Wallet.prototype.save; delete Wallet.prototype.load; }     module.exports = Accounts;  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Sat Jul 22 2017 12:47:05 GMT+0200 (CEST) </div> </div> <script src="../../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../../sorter.js"></script> </body> </html>