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Diffstat (limited to 'app/scripts/keyrings/hd.js')
-rw-r--r-- | app/scripts/keyrings/hd.js | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/app/scripts/keyrings/hd.js b/app/scripts/keyrings/hd.js deleted file mode 100644 index 3a66f7868..000000000 --- a/app/scripts/keyrings/hd.js +++ /dev/null @@ -1,125 +0,0 @@ -const EventEmitter = require('events').EventEmitter -const hdkey = require('ethereumjs-wallet/hdkey') -const bip39 = require('bip39') -const ethUtil = require('ethereumjs-util') - -// *Internal Deps -const sigUtil = require('../lib/sig-util') - -// Options: -const hdPathString = `m/44'/60'/0'/0` -const type = 'HD Key Tree' - -class HdKeyring extends EventEmitter { - - /* PUBLIC METHODS */ - - constructor (opts = {}) { - super() - this.type = type - this.deserialize(opts) - } - - serialize () { - return Promise.resolve({ - mnemonic: this.mnemonic, - numberOfAccounts: this.wallets.length, - }) - } - - deserialize (opts = {}) { - this.opts = opts || {} - this.wallets = [] - this.mnemonic = null - this.root = null - - if (opts.mnemonic) { - this._initFromMnemonic(opts.mnemonic) - } - - if (opts.numberOfAccounts) { - return this.addAccounts(opts.numberOfAccounts) - } - - return Promise.resolve([]) - } - - addAccounts (numberOfAccounts = 1) { - if (!this.root) { - this._initFromMnemonic(bip39.generateMnemonic()) - } - - const oldLen = this.wallets.length - const newWallets = [] - for (let i = oldLen; i < numberOfAccounts + oldLen; i++) { - const child = this.root.deriveChild(i) - const wallet = child.getWallet() - newWallets.push(wallet) - this.wallets.push(wallet) - } - const hexWallets = newWallets.map(w => w.getAddress().toString('hex')) - return Promise.resolve(hexWallets) - } - - getAccounts () { - return Promise.resolve(this.wallets.map(w => w.getAddress().toString('hex'))) - } - - // tx is an instance of the ethereumjs-transaction class. - signTransaction (address, tx) { - const wallet = this._getWalletForAccount(address) - var privKey = wallet.getPrivateKey() - tx.sign(privKey) - return Promise.resolve(tx) - } - - // For eth_sign, we need to sign transactions: - // hd - signMessage (withAccount, data) { - const wallet = this._getWalletForAccount(withAccount) - const message = ethUtil.stripHexPrefix(data) - var privKey = wallet.getPrivateKey() - var msgSig = ethUtil.ecsign(new Buffer(message, 'hex'), privKey) - var rawMsgSig = ethUtil.bufferToHex(sigUtil.concatSig(msgSig.v, msgSig.r, msgSig.s)) - return Promise.resolve(rawMsgSig) - } - - // For eth_sign, we need to sign transactions: - newGethSignMessage (withAccount, msgHex) { - const wallet = this._getWalletForAccount(withAccount) - const privKey = wallet.getPrivateKey() - const msgBuffer = ethUtil.toBuffer(msgHex) - const msgHash = ethUtil.hashPersonalMessage(msgBuffer) - const msgSig = ethUtil.ecsign(msgHash, privKey) - const rawMsgSig = ethUtil.bufferToHex(sigUtil.concatSig(msgSig.v, msgSig.r, msgSig.s)) - return Promise.resolve(rawMsgSig) - } - - exportAccount (address) { - const wallet = this._getWalletForAccount(address) - return Promise.resolve(wallet.getPrivateKey().toString('hex')) - } - - - /* PRIVATE METHODS */ - - _initFromMnemonic (mnemonic) { - this.mnemonic = mnemonic - const seed = bip39.mnemonicToSeed(mnemonic) - this.hdWallet = hdkey.fromMasterSeed(seed) - this.root = this.hdWallet.derivePath(hdPathString) - } - - - _getWalletForAccount (account) { - const targetAddress = sigUtil.normalize(account) - return this.wallets.find((w) => { - const address = w.getAddress().toString('hex') - return ((address === targetAddress) || - (sigUtil.normalize(address) === targetAddress)) - }) - } -} - -HdKeyring.type = type -module.exports = HdKeyring |