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Diffstat (limited to 'app/scripts/lib/trezorKeyring.js')
| -rw-r--r-- | app/scripts/lib/trezorKeyring.js | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/app/scripts/lib/trezorKeyring.js b/app/scripts/lib/trezorKeyring.js deleted file mode 100644 index 6a483fdcd..000000000 --- a/app/scripts/lib/trezorKeyring.js +++ /dev/null @@ -1,239 +0,0 @@ -const { EventEmitter } = require('events') -const ethUtil = require('ethereumjs-util') -const sigUtil = require('eth-sig-util') - -const hdPathString = `m/44'/60'/0'/0` -const keyringType = 'Trezor Hardware' -const Transaction = require('ethereumjs-tx') -const pathBase = 'm' -const TrezorConnect = require('./trezor-connect.js') -const HDKey = require('hdkey') -const TREZOR_MIN_FIRMWARE_VERSION = '1.5.2' -const log = require('loglevel') - -class TrezorKeyring extends EventEmitter { - constructor (opts = {}) { - super() - this.type = keyringType - this.accounts = [] - this.hdk = new HDKey() - this.deserialize(opts) - this.page = 0 - this.perPage = 5 - this.unlockedAccount = 0 - } - - serialize () { - return Promise.resolve({ - hdPath: this.hdPath, - accounts: this.accounts, - page: this.page, - }) - } - - deserialize (opts = {}) { - this.hdPath = opts.hdPath || hdPathString - this.accounts = opts.accounts || [] - this.page = opts.page || 0 - return Promise.resolve() - } - - unlock () { - - if (this.hdk.publicKey) return Promise.resolve() - - return new Promise((resolve, reject) => { - TrezorConnect.getXPubKey( - this.hdPath, - response => { - if (response.success) { - this.hdk.publicKey = new Buffer(response.publicKey, 'hex') - this.hdk.chainCode = new Buffer(response.chainCode, 'hex') - resolve() - } else { - reject(response.error || 'Unknown error') - } - }, - TREZOR_MIN_FIRMWARE_VERSION - ) - }) - } - - setAccountToUnlock (index) { - this.unlockedAccount = parseInt(index, 10) - } - - addAccounts (n = 1) { - - return new Promise((resolve, reject) => { - return this.unlock() - .then(_ => { - const from = this.unlockedAccount - const to = from + 1 - this.accounts = [] - - for (let i = from; i < to; i++) { - - this.accounts.push(this._addressFromId(pathBase, i)) - this.page = 0 - } - resolve(this.accounts) - }) - .catch(e => { - reject(e) - }) - }) - } - - getPage () { - - return new Promise((resolve, reject) => { - return this.unlock() - .then(_ => { - - const from = this.page === 0 ? 0 : (this.page - 1) * this.perPage - const to = from + this.perPage - - const accounts = [] - - for (let i = from; i < to; i++) { - - accounts.push({ - address: this._addressFromId(pathBase, i), - balance: 0, - index: i, - }) - } - log.debug(accounts) - resolve(accounts) - }) - .catch(e => { - reject(e) - }) - }) - } - - async getPrevAccountSet () { - this.page-- - return await this.getPage() - } - - async getNextAccountSet () { - this.page++ - return await this.getPage() - } - - getAccounts () { - return Promise.resolve(this.accounts.slice()) - } - - // tx is an instance of the ethereumjs-transaction class. - async signTransaction (address, tx) { - - return new Promise((resolve, reject) => { - - log.debug('sign transaction ', address, tx) - - TrezorConnect.ethereumSignTx( - this._getUnlockedAccount(), - this._normalize(tx.nonce), - this._normalize(tx.gasPrice), - this._normalize(tx.gasLimit), - this._normalize(tx.to), - this._normalize(tx.value), - this._normalize(tx.data), - tx._chainId, - response => { - if (response.success) { - - tx.v = `0x${response.v.toString(16)}` - tx.r = `0x${response.r}` - tx.s = `0x${response.s}` - log.debug('about to create new tx with data', tx) - - const signedTx = new Transaction(tx) - - const addressSignedWith = ethUtil.toChecksumAddress(`0x${signedTx.from.toString('hex')}`) - const correctAddress = ethUtil.toChecksumAddress(address) - if (addressSignedWith !== correctAddress) { - log.error('signature doesnt match the right address', addressSignedWith, correctAddress) - throw new Error('signature doesnt match the right address') - } - - resolve(signedTx) - - } else { - throw new Error(response.error || 'Unknown error') - } - }, - TREZOR_MIN_FIRMWARE_VERSION) - }) - } - - async signMessage (withAccount, data) { - throw new Error('Not supported on this device') - } - - // For personal_sign, we need to prefix the message: - async signPersonalMessage (withAccount, message) { - - TrezorConnect.ethereumSignMessage(this._getUnlockedAccount(), message, response => { - if (response.success) { - - const signature = this._personalToRawSig(response.signature) - const addressSignedWith = sigUtil.recoverPersonalSignature({data: message, sig: signature}) - const correctAddress = ethUtil.toChecksumAddress(withAccount) - if (addressSignedWith !== correctAddress) { - log.error('signature doesnt match the right address', addressSignedWith, correctAddress) - throw new Error('signature doesnt match the right address') - } - return signature - - } else { - throw new Error(response.error || 'Unknown error') - } - - }, TREZOR_MIN_FIRMWARE_VERSION) - } - - async signTypedData (withAccount, typedData) { - // Waiting on trezor to enable this - throw new Error('Not supported on this device') - } - - async exportAccount (address) { - throw new Error('Not supported on this device') - } - - _padLeftEven (hex) { - return hex.length % 2 !== 0 ? `0${hex}` : hex - } - - _normalize (buf) { - return this._padLeftEven(ethUtil.bufferToHex(buf).substring(2).toLowerCase()) - } - - _addressFromId (pathBase, i) { - const dkey = this.hdk.derive(`${pathBase}/${i}`) - const address = ethUtil - .publicToAddress(dkey.publicKey, true) - .toString('hex') - return ethUtil.toChecksumAddress(address) - } - - _getUnlockedAccount () { - return `${this.hdPath}/${this.unlockedAccount}` - } - - _personalToRawSig (signature) { - var v = signature['v'] - 27 - v = v.toString(16) - if (v.length < 2) { - v = '0' + v - } - return '0x' + signature['r'] + signature['s'] + v - } -} - -TrezorKeyring.type = keyringType -module.exports = TrezorKeyring |