mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-23 09:52:26 +01:00
this should be ready to go
This commit is contained in:
brunobar79
parent
2355573340
commit
0b9b892c6b
@ -1,320 +0,0 @@
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const {EventEmitter} = require('events')
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const HDKey = require('hdkey')
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const ethUtil = require('ethereumjs-util')
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const sigUtil = require('eth-sig-util')
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const Transaction = require('ethereumjs-tx')
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const hdPathString = `44'/60'/0'`
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const type = 'Ledger Hardware'
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const BRIDGE_URL = 'https://localhost:3000'
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const pathBase = 'm'
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const MAX_INDEX = 1000
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class LedgerKeyring extends EventEmitter {
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constructor (opts = {}) {
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super()
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this.type = type
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this.page = 0
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this.perPage = 5
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this.unlockedAccount = 0
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this.hdk = new HDKey()
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this.paths = {}
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this.iframe = null
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this.setupIframe()
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this.deserialize(opts)
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}
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setupIframe () {
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this.iframe = document.createElement('iframe')
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this.iframe.src = BRIDGE_URL
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document.head.appendChild(this.iframe)
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}
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sendMessage (msg, cb) {
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this.iframe.contentWindow.postMessage({...msg, target: 'LEDGER-IFRAME'}, '*')
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window.addEventListener('message', ({ origin, data }) => {
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if (origin !== BRIDGE_URL) return false
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if (data && data.action && data.action === `${msg.action}-reply`) {
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cb(data)
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}
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})
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}
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serialize () {
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return Promise.resolve({hdPath: this.hdPath, accounts: this.accounts})
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}
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deserialize (opts = {}) {
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this.hdPath = opts.hdPath || hdPathString
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this.unlocked = opts.unlocked || false
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this.accounts = opts.accounts || []
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return Promise.resolve()
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}
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isUnlocked () {
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return this.unlocked
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}
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setAccountToUnlock (index) {
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this.unlockedAccount = parseInt(index, 10)
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}
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unlock () {
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if (this.isUnlocked()) return Promise.resolve('already unlocked')
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return new Promise((resolve, reject) => {
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this.sendMessage({
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action: 'ledger-unlock',
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params: {
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hdPath: this.hdPath,
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},
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},
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({success, payload}) => {
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if (success) {
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this.hdk.publicKey = new Buffer(payload.publicKey, 'hex')
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this.hdk.chainCode = new Buffer(payload.chainCode, 'hex')
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resolve('just unlocked')
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} else {
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reject(payload.error || 'Unknown error')
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}
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})
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})
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}
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addAccounts (n = 1) {
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return new Promise((resolve, reject) => {
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this.unlock()
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.then(_ => {
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const from = this.unlockedAccount
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const to = from + n
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this.accounts = []
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for (let i = from; i < to; i++) {
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const address = this._addressFromIndex(pathBase, i)
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this.accounts.push(address)
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this.page = 0
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}
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resolve(this.accounts)
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})
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.catch(e => {
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reject(e)
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})
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})
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}
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getFirstPage () {
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this.page = 0
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return this.__getPage(1)
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}
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getNextPage () {
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return this.__getPage(1)
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}
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getPreviousPage () {
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return this.__getPage(-1)
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}
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__getPage (increment) {
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this.page += increment
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if (this.page <= 0) { this.page = 1 }
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return new Promise((resolve, reject) => {
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this.unlock()
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.then(_ => {
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const from = (this.page - 1) * this.perPage
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const to = from + this.perPage
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const accounts = []
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for (let i = from; i < to; i++) {
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const address = this._addressFromIndex(pathBase, i)
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accounts.push({
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address: address,
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balance: null,
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index: i,
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})
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this.paths[ethUtil.toChecksumAddress(address)] = i
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}
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resolve(accounts)
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})
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.catch(e => {
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reject(e)
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})
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})
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}
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getAccounts () {
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return Promise.resolve(this.accounts.slice())
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}
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removeAccount (address) {
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if (!this.accounts.map(a => a.toLowerCase()).includes(address.toLowerCase())) {
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throw new Error(`Address ${address} not found in this keyring`)
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}
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this.accounts = this.accounts.filter(a => a.toLowerCase() !== address.toLowerCase())
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}
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// tx is an instance of the ethereumjs-transaction class.
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async signTransaction (address, tx) {
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return new Promise((resolve, reject) => {
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this.unlock()
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.then(_ => {
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const newTx = new Transaction({
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from: this._normalize(address),
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to: this._normalize(tx.to),
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value: this._normalize(tx.value),
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data: this._normalize(tx.data),
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chainId: tx._chainId,
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nonce: this._normalize(tx.nonce),
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gasLimit: this._normalize(tx.gasLimit),
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gasPrice: this._normalize(tx.gasPrice),
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v: ethUtil.bufferToHex(tx.getChainId()),
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r: '0x00',
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s: '0x00',
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})
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this.sendMessage({
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action: 'ledger-sign-transaction',
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params: {
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tx: newTx.serialize().toString('hex'),
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hdPath: this._pathFromAddress(address),
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},
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},
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({success, payload}) => {
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if (success) {
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newTx.v = Buffer.from(payload.v, 'hex')
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newTx.r = Buffer.from(payload.r, 'hex')
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newTx.s = Buffer.from(payload.s, 'hex')
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const valid = newTx.verifySignature()
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if (valid) {
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resolve(newTx)
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} else {
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reject('The transaction signature is not valid')
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}
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} else {
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reject(payload)
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}
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})
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})
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})
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}
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async signMessage (withAccount, data) {
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throw new Error('Not supported on this device')
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}
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// For personal_sign, we need to prefix the message:
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async signPersonalMessage (withAccount, message) {
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const humanReadableMsg = this._toAscii(message)
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const bufferMsg = Buffer.from(humanReadableMsg).toString('hex')
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return new Promise((resolve, reject) => {
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this.unlock()
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.then(_ => {
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this.sendMessage({
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action: 'ledger-sign-personal-message',
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params: {
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hdPath: this._pathFromAddress(withAccount),
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message: bufferMsg,
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},
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},
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({success, payload}) => {
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if (success) {
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let v = payload['v'] - 27
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v = v.toString(16)
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if (v.length < 2) {
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v = `0${v}`
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}
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const signature = `0x${payload['r']}${payload['s']}${v}`
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const addressSignedWith = sigUtil.recoverPersonalSignature({data: message, sig: signature})
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if (ethUtil.toChecksumAddress(addressSignedWith) !== ethUtil.toChecksumAddress(withAccount)) {
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reject('signature doesnt match the right address')
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}
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resolve(signature)
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} else {
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reject(payload)
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}
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})
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})
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})
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}
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async signTypedData (withAccount, typedData) {
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throw new Error('Not supported on this device')
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}
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async exportAccount (address) {
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throw new Error('Not supported on this device')
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}
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forgetDevice () {
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this.accounts = []
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this.unlocked = false
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this.page = 0
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this.unlockedAccount = 0
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this.paths = {}
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}
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/* PRIVATE METHODS */
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_padLeftEven (hex) {
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return hex.length % 2 !== 0 ? `0${hex}` : hex
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}
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_normalize (buf) {
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return this._padLeftEven(ethUtil.bufferToHex(buf).toLowerCase())
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}
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_addressFromIndex (pathBase, i) {
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const dkey = this.hdk.derive(`${pathBase}/${i}`)
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const address = ethUtil
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.publicToAddress(dkey.publicKey, true)
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.toString('hex')
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return ethUtil.toChecksumAddress(address)
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}
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_pathFromAddress (address) {
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const checksummedAddress = ethUtil.toChecksumAddress(address)
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let index = this.paths[checksummedAddress]
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if (typeof index === 'undefined') {
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for (let i = 0; i < MAX_INDEX; i++) {
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if (checksummedAddress === this._addressFromIndex(pathBase, i)) {
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index = i
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break
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}
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}
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}
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if (typeof index === 'undefined') {
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throw new Error('Unknown address')
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}
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return `${this.hdPath}/${index}`
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}
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_toAscii (hex) {
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let str = ''
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let i = 0; const l = hex.length
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if (hex.substring(0, 2) === '0x') {
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i = 2
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}
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for (; i < l; i += 2) {
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const code = parseInt(hex.substr(i, 2), 16)
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str += String.fromCharCode(code)
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}
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return str
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}
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}
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LedgerKeyring.type = type
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module.exports = LedgerKeyring
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@ -49,7 +49,7 @@ const seedPhraseVerifier = require('./lib/seed-phrase-verifier')
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const cleanErrorStack = require('./lib/cleanErrorStack')
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const log = require('loglevel')
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const TrezorKeyring = require('eth-trezor-keyring')
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const LedgerKeyring = require('./eth-ledger-keyring-listener')
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const LedgerBridgeKeyring = require('eth-ledger-bridge-keyring')
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module.exports = class MetamaskController extends EventEmitter {
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@ -128,7 +128,7 @@ module.exports = class MetamaskController extends EventEmitter {
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})
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// key mgmt
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const additionalKeyrings = [TrezorKeyring, LedgerKeyring]
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const additionalKeyrings = [TrezorKeyring, LedgerBridgeKeyring]
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this.keyringController = new KeyringController({
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keyringTypes: additionalKeyrings,
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initState: initState.KeyringController,
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@ -546,7 +546,7 @@ module.exports = class MetamaskController extends EventEmitter {
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keyringName = TrezorKeyring.type
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break
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case 'ledger':
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keyringName = LedgerKeyring.type
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keyringName = LedgerBridgeKeyring.type
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break
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default:
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throw new Error('MetamaskController:connectHardware - Unknown device')
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56
package-lock.json
generated
56
package-lock.json
generated
@ -8458,6 +8458,62 @@
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}
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}
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},
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"eth-ledger-bridge-keyring": {
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"version": "github:brunobar79/eth-ledger-bridge-keyring#f8f05925519a34e2d5ee3083ca95960fa70ddd11",
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"from": "github:brunobar79/eth-ledger-bridge-keyring",
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"requires": {
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"eth-sig-util": "^1.4.2",
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"ethereumjs-tx": "^1.3.4",
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"ethereumjs-util": "^5.1.5",
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"events": "^2.0.0",
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"hdkey": "0.8.0"
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},
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"dependencies": {
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"ethereum-common": {
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"version": "0.0.18",
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"resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.0.18.tgz",
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"integrity": "sha1-L9w1dvIykDNYl26znaeDIT/5Uj8="
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},
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"ethereumjs-tx": {
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"version": "1.3.7",
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"resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz",
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"integrity": "sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==",
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"requires": {
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"ethereum-common": "^0.0.18",
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"ethereumjs-util": "^5.0.0"
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}
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},
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"ethereumjs-util": {
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"version": "5.2.0",
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"resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
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"integrity": "sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==",
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"requires": {
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"bn.js": "^4.11.0",
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"create-hash": "^1.1.2",
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"ethjs-util": "^0.1.3",
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"keccak": "^1.0.2",
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"rlp": "^2.0.0",
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"safe-buffer": "^5.1.1",
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"secp256k1": "^3.0.1"
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}
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},
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"events": {
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"version": "2.1.0",
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"resolved": "https://registry.npmjs.org/events/-/events-2.1.0.tgz",
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"integrity": "sha512-3Zmiobend8P9DjmKAty0Era4jV8oJ0yGYe2nJJAxgymF9+N8F2m0hhZiMoWtcfepExzNKZumFU3ksdQbInGWCg=="
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},
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"hdkey": {
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"version": "0.8.0",
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"resolved": "https://registry.npmjs.org/hdkey/-/hdkey-0.8.0.tgz",
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"integrity": "sha512-oYsdlK22eobT68N5faWI3776f6tOLyqxLLYwxMx+TP0rkWzuCs0oiOm2VbLWcxdpHFP4LtiRR8udaIX8VkEaZQ==",
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"requires": {
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"coinstring": "^2.0.0",
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"safe-buffer": "^5.1.1",
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"secp256k1": "^3.0.1"
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}
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}
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}
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},
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"eth-lib": {
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"version": "0.1.27",
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"resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.1.27.tgz",
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@ -111,6 +111,7 @@
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"eth-hd-keyring": "^1.2.2",
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"eth-json-rpc-filters": "^1.2.6",
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"eth-json-rpc-infura": "^3.0.0",
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"eth-ledger-bridge-keyring": "github:brunobar79/eth-ledger-bridge-keyring",
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"eth-method-registry": "^1.0.0",
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"eth-phishing-detect": "^1.1.4",
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"eth-query": "^2.1.2",
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