mirror of
https://github.com/kremalicious/metamask-extension.git
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1ff4894b67
Fixes #1021 A top-right menu item now allows `Account Import`. It has a menu (with one item for now) that allows importing a private key string. Errors are displayed, and a success navigates the user to their account list, where the imported account is labeled `LOOSE`.
88 lines
2.4 KiB
JavaScript
88 lines
2.4 KiB
JavaScript
const EventEmitter = require('events').EventEmitter
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const Wallet = require('ethereumjs-wallet')
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const ethUtil = require('ethereumjs-util')
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const type = 'Simple Key Pair'
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const sigUtil = require('../lib/sig-util')
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class SimpleKeyring extends EventEmitter {
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/* PUBLIC METHODS */
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constructor (opts) {
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super()
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this.type = type
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this.opts = opts || {}
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this.wallets = []
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}
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serialize () {
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return Promise.resolve(this.wallets.map(w => w.getPrivateKey().toString('hex')))
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}
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deserialize (privateKeys = []) {
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return new Promise((resolve, reject) => {
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try {
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this.wallets = privateKeys.map((privateKey) => {
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const stripped = ethUtil.stripHexPrefix(privateKey)
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const buffer = new Buffer(stripped, 'hex')
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const wallet = Wallet.fromPrivateKey(buffer)
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return wallet
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})
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} catch (e) {
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reject(e)
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}
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resolve()
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})
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}
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addAccounts (n = 1) {
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var newWallets = []
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for (var i = 0; i < n; i++) {
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newWallets.push(Wallet.generate())
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}
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this.wallets = this.wallets.concat(newWallets)
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const hexWallets = newWallets.map(w => ethUtil.bufferToHex(w.getAddress()))
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return Promise.resolve(hexWallets)
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}
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getAccounts () {
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return Promise.resolve(this.wallets.map(w => ethUtil.bufferToHex(w.getAddress())))
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}
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// tx is an instance of the ethereumjs-transaction class.
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signTransaction (address, tx) {
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const wallet = this._getWalletForAccount(address)
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var privKey = wallet.getPrivateKey()
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tx.sign(privKey)
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return Promise.resolve(tx)
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}
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// For eth_sign, we need to sign transactions:
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signMessage (withAccount, data) {
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const wallet = this._getWalletForAccount(withAccount)
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const message = ethUtil.stripHexPrefix(data)
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var privKey = wallet.getPrivateKey()
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var msgSig = ethUtil.ecsign(new Buffer(message, 'hex'), privKey)
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var rawMsgSig = ethUtil.bufferToHex(sigUtil.concatSig(msgSig.v, msgSig.r, msgSig.s))
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return Promise.resolve(rawMsgSig)
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}
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exportAccount (address) {
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const wallet = this._getWalletForAccount(address)
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return Promise.resolve(wallet.getPrivateKey().toString('hex'))
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}
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/* PRIVATE METHODS */
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_getWalletForAccount (account) {
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let wallet = this.wallets.find(w => ethUtil.bufferToHex(w.getAddress()) === account)
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if (!wallet) throw new Error('Simple Keyring - Unable to find matching address.')
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return wallet
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}
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}
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SimpleKeyring.type = type
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module.exports = SimpleKeyring
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