mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-11-27 12:56:01 +01:00
1272 lines
44 KiB
JavaScript
1272 lines
44 KiB
JavaScript
/**
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* @file The central metamask controller. Aggregates other controllers and exports an api.
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* @copyright Copyright (c) 2018 MetaMask
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* @license MIT
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*/
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const EventEmitter = require('events')
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const pump = require('pump')
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const Dnode = require('dnode')
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const ObservableStore = require('obs-store')
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const ComposableObservableStore = require('./lib/ComposableObservableStore')
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const asStream = require('obs-store/lib/asStream')
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const AccountTracker = require('./lib/account-tracker')
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const RpcEngine = require('json-rpc-engine')
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const debounce = require('debounce')
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const createEngineStream = require('json-rpc-middleware-stream/engineStream')
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const createFilterMiddleware = require('eth-json-rpc-filters')
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const createOriginMiddleware = require('./lib/createOriginMiddleware')
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const createLoggerMiddleware = require('./lib/createLoggerMiddleware')
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const createProviderMiddleware = require('./lib/createProviderMiddleware')
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const setupMultiplex = require('./lib/stream-utils.js').setupMultiplex
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const KeyringController = require('eth-keyring-controller')
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const NetworkController = require('./controllers/network')
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const PreferencesController = require('./controllers/preferences')
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const CurrencyController = require('./controllers/currency')
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const NoticeController = require('./notice-controller')
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const ShapeShiftController = require('./controllers/shapeshift')
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const AddressBookController = require('./controllers/address-book')
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const InfuraController = require('./controllers/infura')
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const BlacklistController = require('./controllers/blacklist')
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const RecentBlocksController = require('./controllers/recent-blocks')
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const MessageManager = require('./lib/message-manager')
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const PersonalMessageManager = require('./lib/personal-message-manager')
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const TypedMessageManager = require('./lib/typed-message-manager')
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const TransactionController = require('./controllers/transactions')
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const BalancesController = require('./controllers/computed-balances')
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const TokenRatesController = require('./controllers/token-rates')
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const ConfigManager = require('./lib/config-manager')
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const nodeify = require('./lib/nodeify')
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const accountImporter = require('./account-import-strategies')
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const getBuyEthUrl = require('./lib/buy-eth-url')
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const Mutex = require('await-semaphore').Mutex
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const version = require('../manifest.json').version
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const BN = require('ethereumjs-util').BN
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const GWEI_BN = new BN('1000000000')
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const percentile = require('percentile')
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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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module.exports = class MetamaskController extends EventEmitter {
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/**
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* @constructor
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* @param {Object} opts
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*/
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constructor (opts) {
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super()
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this.defaultMaxListeners = 20
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this.sendUpdate = debounce(this.privateSendUpdate.bind(this), 200)
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this.opts = opts
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const initState = opts.initState || {}
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this.recordFirstTimeInfo(initState)
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// platform-specific api
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this.platform = opts.platform
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// observable state store
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this.store = new ComposableObservableStore(initState)
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// lock to ensure only one vault created at once
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this.createVaultMutex = new Mutex()
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// network store
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this.networkController = new NetworkController(initState.NetworkController)
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// config manager
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this.configManager = new ConfigManager({
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store: this.store,
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})
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// preferences controller
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this.preferencesController = new PreferencesController({
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initState: initState.PreferencesController,
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initLangCode: opts.initLangCode,
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getFirstTimeInfo: () => initState.firstTimeInfo,
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})
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// currency controller
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this.currencyController = new CurrencyController({
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initState: initState.CurrencyController,
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})
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this.currencyController.updateConversionRate()
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this.currencyController.scheduleConversionInterval()
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// infura controller
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this.infuraController = new InfuraController({
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initState: initState.InfuraController,
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})
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this.infuraController.scheduleInfuraNetworkCheck()
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this.blacklistController = new BlacklistController()
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this.blacklistController.scheduleUpdates()
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// rpc provider
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this.provider = this.initializeProvider()
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this.blockTracker = this.provider._blockTracker
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// token exchange rate tracker
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this.tokenRatesController = new TokenRatesController({
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preferences: this.preferencesController.store,
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})
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this.recentBlocksController = new RecentBlocksController({
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blockTracker: this.blockTracker,
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provider: this.provider,
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})
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// account tracker watches balances, nonces, and any code at their address.
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this.accountTracker = new AccountTracker({
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provider: this.provider,
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blockTracker: this.blockTracker,
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})
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// key mgmt
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this.keyringController = new KeyringController({
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initState: initState.KeyringController,
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getNetwork: this.networkController.getNetworkState.bind(this.networkController),
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encryptor: opts.encryptor || undefined,
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})
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// If only one account exists, make sure it is selected.
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this.keyringController.memStore.subscribe((state) => {
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const addresses = state.keyrings.reduce((res, keyring) => {
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return res.concat(keyring.accounts)
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}, [])
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if (addresses.length === 1) {
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const address = addresses[0]
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this.preferencesController.setSelectedAddress(address)
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}
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// ensure preferences + identities controller know about all addresses
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this.preferencesController.addAddresses(addresses)
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this.accountTracker.syncWithAddresses(addresses)
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})
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// address book controller
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this.addressBookController = new AddressBookController({
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initState: initState.AddressBookController,
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preferencesStore: this.preferencesController.store,
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})
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// tx mgmt
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this.txController = new TransactionController({
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initState: initState.TransactionController || initState.TransactionManager,
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networkStore: this.networkController.networkStore,
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preferencesStore: this.preferencesController.store,
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txHistoryLimit: 40,
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getNetwork: this.networkController.getNetworkState.bind(this),
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signTransaction: this.keyringController.signTransaction.bind(this.keyringController),
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provider: this.provider,
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blockTracker: this.blockTracker,
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getGasPrice: this.getGasPrice.bind(this),
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})
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this.txController.on('newUnapprovedTx', opts.showUnapprovedTx.bind(opts))
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// computed balances (accounting for pending transactions)
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this.balancesController = new BalancesController({
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accountTracker: this.accountTracker,
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txController: this.txController,
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blockTracker: this.blockTracker,
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})
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this.networkController.on('networkDidChange', () => {
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this.balancesController.updateAllBalances()
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})
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this.balancesController.updateAllBalances()
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// notices
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this.noticeController = new NoticeController({
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initState: initState.NoticeController,
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version,
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firstVersion: initState.firstTimeInfo.version,
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})
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this.noticeController.updateNoticesList()
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// to be uncommented when retrieving notices from a remote server.
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// this.noticeController.startPolling()
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this.shapeshiftController = new ShapeShiftController({
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initState: initState.ShapeShiftController,
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})
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this.networkController.lookupNetwork()
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this.messageManager = new MessageManager()
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this.personalMessageManager = new PersonalMessageManager()
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this.typedMessageManager = new TypedMessageManager()
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this.publicConfigStore = this.initPublicConfigStore()
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this.store.updateStructure({
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TransactionController: this.txController.store,
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KeyringController: this.keyringController.store,
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PreferencesController: this.preferencesController.store,
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AddressBookController: this.addressBookController.store,
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CurrencyController: this.currencyController.store,
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NoticeController: this.noticeController.store,
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ShapeShiftController: this.shapeshiftController.store,
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NetworkController: this.networkController.store,
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InfuraController: this.infuraController.store,
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})
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this.memStore = new ComposableObservableStore(null, {
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NetworkController: this.networkController.store,
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AccountTracker: this.accountTracker.store,
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TxController: this.txController.memStore,
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BalancesController: this.balancesController.store,
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TokenRatesController: this.tokenRatesController.store,
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MessageManager: this.messageManager.memStore,
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PersonalMessageManager: this.personalMessageManager.memStore,
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TypesMessageManager: this.typedMessageManager.memStore,
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KeyringController: this.keyringController.memStore,
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PreferencesController: this.preferencesController.store,
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RecentBlocksController: this.recentBlocksController.store,
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AddressBookController: this.addressBookController.store,
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CurrencyController: this.currencyController.store,
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NoticeController: this.noticeController.memStore,
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ShapeshiftController: this.shapeshiftController.store,
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InfuraController: this.infuraController.store,
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})
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this.memStore.subscribe(this.sendUpdate.bind(this))
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}
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/**
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* Constructor helper: initialize a provider.
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*/
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initializeProvider () {
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const providerOpts = {
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static: {
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eth_syncing: false,
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web3_clientVersion: `MetaMask/v${version}`,
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eth_sendTransaction: (payload, next, end) => {
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const origin = payload.origin
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const txParams = payload.params[0]
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nodeify(this.txController.newUnapprovedTransaction, this.txController)(txParams, { origin }, end)
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},
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},
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// account mgmt
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getAccounts: (cb) => {
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const isUnlocked = this.keyringController.memStore.getState().isUnlocked
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const result = []
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const selectedAddress = this.preferencesController.getSelectedAddress()
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// only show address if account is unlocked
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if (isUnlocked && selectedAddress) {
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result.push(selectedAddress)
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}
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cb(null, result)
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},
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// tx signing
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// old style msg signing
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processMessage: this.newUnsignedMessage.bind(this),
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// personal_sign msg signing
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processPersonalMessage: this.newUnsignedPersonalMessage.bind(this),
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processTypedMessage: this.newUnsignedTypedMessage.bind(this),
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}
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const providerProxy = this.networkController.initializeProvider(providerOpts)
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return providerProxy
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}
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/**
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* Constructor helper: initialize a public config store.
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* This store is used to make some config info available to Dapps synchronously.
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*/
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initPublicConfigStore () {
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// get init state
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const publicConfigStore = new ObservableStore()
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// memStore -> transform -> publicConfigStore
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this.on('update', (memState) => {
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this.isClientOpenAndUnlocked = memState.isUnlocked && this._isClientOpen
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const publicState = selectPublicState(memState)
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publicConfigStore.putState(publicState)
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})
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function selectPublicState (memState) {
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const result = {
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selectedAddress: memState.isUnlocked ? memState.selectedAddress : undefined,
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networkVersion: memState.network,
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}
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return result
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}
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return publicConfigStore
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}
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//=============================================================================
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// EXPOSED TO THE UI SUBSYSTEM
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//=============================================================================
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/**
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* The metamask-state of the various controllers, made available to the UI
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*
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* @returns {Object} status
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*/
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getState () {
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const wallet = this.configManager.getWallet()
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const vault = this.keyringController.store.getState().vault
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const isInitialized = (!!wallet || !!vault)
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return {
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...{ isInitialized },
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...this.memStore.getFlatState(),
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...this.configManager.getConfig(),
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...{
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lostAccounts: this.configManager.getLostAccounts(),
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seedWords: this.configManager.getSeedWords(),
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forgottenPassword: this.configManager.getPasswordForgotten(),
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},
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}
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}
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/**
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* Returns an Object containing API Callback Functions.
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* These functions are the interface for the UI.
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* The API object can be transmitted over a stream with dnode.
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*
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* @returns {Object} Object containing API functions.
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*/
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getApi () {
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const keyringController = this.keyringController
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const preferencesController = this.preferencesController
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const txController = this.txController
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const noticeController = this.noticeController
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const addressBookController = this.addressBookController
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const networkController = this.networkController
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return {
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// etc
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getState: (cb) => cb(null, this.getState()),
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setCurrentCurrency: this.setCurrentCurrency.bind(this),
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setUseBlockie: this.setUseBlockie.bind(this),
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setCurrentLocale: this.setCurrentLocale.bind(this),
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markAccountsFound: this.markAccountsFound.bind(this),
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markPasswordForgotten: this.markPasswordForgotten.bind(this),
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unMarkPasswordForgotten: this.unMarkPasswordForgotten.bind(this),
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// coinbase
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buyEth: this.buyEth.bind(this),
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// shapeshift
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createShapeShiftTx: this.createShapeShiftTx.bind(this),
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// primary HD keyring management
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addNewAccount: nodeify(this.addNewAccount, this),
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placeSeedWords: this.placeSeedWords.bind(this),
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verifySeedPhrase: nodeify(this.verifySeedPhrase, this),
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clearSeedWordCache: this.clearSeedWordCache.bind(this),
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resetAccount: nodeify(this.resetAccount, this),
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importAccountWithStrategy: nodeify(this.importAccountWithStrategy, this),
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// vault management
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submitPassword: nodeify(this.submitPassword, this),
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// network management
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setProviderType: nodeify(networkController.setProviderType, networkController),
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setCustomRpc: nodeify(this.setCustomRpc, this),
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// PreferencesController
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setSelectedAddress: nodeify(preferencesController.setSelectedAddress, preferencesController),
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addToken: nodeify(preferencesController.addToken, preferencesController),
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removeToken: nodeify(preferencesController.removeToken, preferencesController),
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setCurrentAccountTab: nodeify(preferencesController.setCurrentAccountTab, preferencesController),
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setAccountLabel: nodeify(preferencesController.setAccountLabel, preferencesController),
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setFeatureFlag: nodeify(preferencesController.setFeatureFlag, preferencesController),
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// AddressController
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setAddressBook: nodeify(addressBookController.setAddressBook, addressBookController),
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// KeyringController
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setLocked: nodeify(keyringController.setLocked, keyringController),
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createNewVaultAndKeychain: nodeify(this.createNewVaultAndKeychain, this),
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createNewVaultAndRestore: nodeify(this.createNewVaultAndRestore, this),
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addNewKeyring: nodeify(keyringController.addNewKeyring, keyringController),
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exportAccount: nodeify(keyringController.exportAccount, keyringController),
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// txController
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cancelTransaction: nodeify(txController.cancelTransaction, txController),
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updateTransaction: nodeify(txController.updateTransaction, txController),
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updateAndApproveTransaction: nodeify(txController.updateAndApproveTransaction, txController),
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retryTransaction: nodeify(this.retryTransaction, this),
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getFilteredTxList: nodeify(txController.getFilteredTxList, txController),
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// messageManager
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signMessage: nodeify(this.signMessage, this),
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cancelMessage: this.cancelMessage.bind(this),
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// personalMessageManager
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signPersonalMessage: nodeify(this.signPersonalMessage, this),
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cancelPersonalMessage: this.cancelPersonalMessage.bind(this),
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// personalMessageManager
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signTypedMessage: nodeify(this.signTypedMessage, this),
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cancelTypedMessage: this.cancelTypedMessage.bind(this),
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// notices
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checkNotices: noticeController.updateNoticesList.bind(noticeController),
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markNoticeRead: noticeController.markNoticeRead.bind(noticeController),
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}
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}
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//=============================================================================
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// VAULT / KEYRING RELATED METHODS
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//=============================================================================
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/**
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* Creates a new Vault and create a new keychain.
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*
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* A vault, or KeyringController, is a controller that contains
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* many different account strategies, currently called Keyrings.
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* Creating it new means wiping all previous keyrings.
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*
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* A keychain, or keyring, controls many accounts with a single backup and signing strategy.
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* For example, a mnemonic phrase can generate many accounts, and is a keyring.
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*
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* @param {string} password
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*
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* @returns {Object} vault
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*/
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async createNewVaultAndKeychain (password) {
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const release = await this.createVaultMutex.acquire()
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let vault
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try {
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const accounts = await this.keyringController.getAccounts()
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if (accounts.length > 0) {
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vault = await this.keyringController.fullUpdate()
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} else {
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vault = await this.keyringController.createNewVaultAndKeychain(password)
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const accounts = await this.keyringController.getAccounts()
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this.preferencesController.setAddresses(accounts)
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this.selectFirstIdentity()
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}
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release()
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} catch (err) {
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release()
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throw err
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}
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return vault
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}
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/**
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* Create a new Vault and restore an existent keyring.
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* @param {} password
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* @param {} seed
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*/
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async createNewVaultAndRestore (password, seed) {
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const release = await this.createVaultMutex.acquire()
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try {
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// clear known identities
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this.preferencesController.setAddresses([])
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// create new vault
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const vault = await this.keyringController.createNewVaultAndRestore(password, seed)
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// set new identities
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const accounts = await this.keyringController.getAccounts()
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this.preferencesController.setAddresses(accounts)
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this.selectFirstIdentity()
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release()
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return vault
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} catch (err) {
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release()
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throw err
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}
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}
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/*
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* Submits the user's password and attempts to unlock the vault.
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* Also synchronizes the preferencesController, to ensure its schema
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* is up to date with known accounts once the vault is decrypted.
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*
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* @param {string} password - The user's password
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* @returns {Promise<object>} - The keyringController update.
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*/
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async submitPassword (password) {
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await this.keyringController.submitPassword(password)
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const accounts = await this.keyringController.getAccounts()
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await this.preferencesController.syncAddresses(accounts)
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return this.keyringController.fullUpdate()
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}
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/**
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* @type Identity
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* @property {string} name - The account nickname.
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* @property {string} address - The account's ethereum address, in lower case.
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* @property {boolean} mayBeFauceting - Whether this account is currently
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* receiving funds from our automatic Ropsten faucet.
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*/
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/**
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* Sets the first address in the state to the selected address
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*/
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selectFirstIdentity () {
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const { identities } = this.preferencesController.store.getState()
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const address = Object.keys(identities)[0]
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this.preferencesController.setSelectedAddress(address)
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}
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//
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// Account Management
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//
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/**
|
|
* Adds a new account to the default (first) HD seed phrase Keyring.
|
|
*
|
|
* @returns {} keyState
|
|
*/
|
|
async addNewAccount () {
|
|
const primaryKeyring = this.keyringController.getKeyringsByType('HD Key Tree')[0]
|
|
if (!primaryKeyring) {
|
|
throw new Error('MetamaskController - No HD Key Tree found')
|
|
}
|
|
const keyringController = this.keyringController
|
|
const oldAccounts = await keyringController.getAccounts()
|
|
const keyState = await keyringController.addNewAccount(primaryKeyring)
|
|
const newAccounts = await keyringController.getAccounts()
|
|
|
|
await this.verifySeedPhrase()
|
|
|
|
this.preferencesController.setAddresses(newAccounts)
|
|
newAccounts.forEach((address) => {
|
|
if (!oldAccounts.includes(address)) {
|
|
this.preferencesController.setSelectedAddress(address)
|
|
}
|
|
})
|
|
|
|
const {identities} = this.preferencesController.store.getState()
|
|
return {...keyState, identities}
|
|
}
|
|
|
|
/**
|
|
* Adds the current vault's seed words to the UI's state tree.
|
|
*
|
|
* Used when creating a first vault, to allow confirmation.
|
|
* Also used when revealing the seed words in the confirmation view.
|
|
*
|
|
* @param {Function} cb - A callback called on completion.
|
|
*/
|
|
placeSeedWords (cb) {
|
|
|
|
this.verifySeedPhrase()
|
|
.then((seedWords) => {
|
|
this.configManager.setSeedWords(seedWords)
|
|
return cb(null, seedWords)
|
|
})
|
|
.catch((err) => {
|
|
return cb(err)
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Verifies the validity of the current vault's seed phrase.
|
|
*
|
|
* Validity: seed phrase restores the accounts belonging to the current vault.
|
|
*
|
|
* Called when the first account is created and on unlocking the vault.
|
|
*
|
|
* @returns {Promise<string>} Seed phrase to be confirmed by the user.
|
|
*/
|
|
async verifySeedPhrase () {
|
|
|
|
const primaryKeyring = this.keyringController.getKeyringsByType('HD Key Tree')[0]
|
|
if (!primaryKeyring) {
|
|
throw new Error('MetamaskController - No HD Key Tree found')
|
|
}
|
|
|
|
const serialized = await primaryKeyring.serialize()
|
|
const seedWords = serialized.mnemonic
|
|
|
|
const accounts = await primaryKeyring.getAccounts()
|
|
if (accounts.length < 1) {
|
|
throw new Error('MetamaskController - No accounts found')
|
|
}
|
|
|
|
try {
|
|
await seedPhraseVerifier.verifyAccounts(accounts, seedWords)
|
|
return seedWords
|
|
} catch (err) {
|
|
log.error(err.message)
|
|
throw err
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove the primary account seed phrase from the UI's state tree.
|
|
*
|
|
* The seed phrase remains available in the background process.
|
|
*
|
|
* @param {function} cb Callback function called with the current address.
|
|
*/
|
|
clearSeedWordCache (cb) {
|
|
this.configManager.setSeedWords(null)
|
|
cb(null, this.preferencesController.getSelectedAddress())
|
|
}
|
|
|
|
/**
|
|
* Clears the transaction history, to allow users to force-reset their nonces.
|
|
* Mostly used in development environments, when networks are restarted with
|
|
* the same network ID.
|
|
*
|
|
* @returns Promise<string> The current selected address.
|
|
*/
|
|
async resetAccount () {
|
|
const selectedAddress = this.preferencesController.getSelectedAddress()
|
|
this.txController.wipeTransactions(selectedAddress)
|
|
|
|
const networkController = this.networkController
|
|
const oldType = networkController.getProviderConfig().type
|
|
await networkController.setProviderType(oldType, true)
|
|
|
|
return selectedAddress
|
|
}
|
|
|
|
/**
|
|
* Imports an account with the specified import strategy.
|
|
* These are defined in app/scripts/account-import-strategies
|
|
* Each strategy represents a different way of serializing an Ethereum key pair.
|
|
*
|
|
* @param {string} strategy - A unique identifier for an account import strategy.
|
|
* @param {any} args - The data required by that strategy to import an account.
|
|
* @param {Function} cb - A callback function called with a state update on success.
|
|
*/
|
|
async importAccountWithStrategy (strategy, args) {
|
|
const privateKey = await accountImporter.importAccount(strategy, args)
|
|
const keyring = await this.keyringController.addNewKeyring('Simple Key Pair', [ privateKey ])
|
|
const accounts = await keyring.getAccounts()
|
|
// update accounts in preferences controller
|
|
const allAccounts = await this.keyringController.getAccounts()
|
|
this.preferencesController.setAddresses(allAccounts)
|
|
// set new account as selected
|
|
await this.preferencesController.setSelectedAddress(accounts[0])
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// Identity Management (signature operations)
|
|
|
|
// eth_sign methods:
|
|
|
|
/**
|
|
* Called when a Dapp uses the eth_sign method, to request user approval.
|
|
* eth_sign is a pure signature of arbitrary data. It is on a deprecation
|
|
* path, since this data can be a transaction, or can leak private key
|
|
* information.
|
|
*
|
|
* @param {Object} msgParams - The params passed to eth_sign.
|
|
* @param {Function} cb = The callback function called with the signature.
|
|
*/
|
|
newUnsignedMessage (msgParams, cb) {
|
|
const msgId = this.messageManager.addUnapprovedMessage(msgParams)
|
|
this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
this.messageManager.once(`${msgId}:finished`, (data) => {
|
|
switch (data.status) {
|
|
case 'signed':
|
|
return cb(null, data.rawSig)
|
|
case 'rejected':
|
|
return cb(cleanErrorStack(new Error('MetaMask Message Signature: User denied message signature.')))
|
|
default:
|
|
return cb(cleanErrorStack(new Error(`MetaMask Message Signature: Unknown problem: ${JSON.stringify(msgParams)}`)))
|
|
}
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Signifies user intent to complete an eth_sign method.
|
|
*
|
|
* @param {Object} msgParams The params passed to eth_call.
|
|
* @returns {Promise<Object>} Full state update.
|
|
*/
|
|
signMessage (msgParams) {
|
|
log.info('MetaMaskController - signMessage')
|
|
const msgId = msgParams.metamaskId
|
|
|
|
// sets the status op the message to 'approved'
|
|
// and removes the metamaskId for signing
|
|
return this.messageManager.approveMessage(msgParams)
|
|
.then((cleanMsgParams) => {
|
|
// signs the message
|
|
return this.keyringController.signMessage(cleanMsgParams)
|
|
})
|
|
.then((rawSig) => {
|
|
// tells the listener that the message has been signed
|
|
// and can be returned to the dapp
|
|
this.messageManager.setMsgStatusSigned(msgId, rawSig)
|
|
return this.getState()
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Used to cancel a message submitted via eth_sign.
|
|
*
|
|
* @param {string} msgId - The id of the message to cancel.
|
|
*/
|
|
cancelMessage (msgId, cb) {
|
|
const messageManager = this.messageManager
|
|
messageManager.rejectMsg(msgId)
|
|
if (cb && typeof cb === 'function') {
|
|
cb(null, this.getState())
|
|
}
|
|
}
|
|
|
|
// personal_sign methods:
|
|
|
|
/**
|
|
* Called when a dapp uses the personal_sign method.
|
|
* This is identical to the Geth eth_sign method, and may eventually replace
|
|
* eth_sign.
|
|
*
|
|
* We currently define our eth_sign and personal_sign mostly for legacy Dapps.
|
|
*
|
|
* @param {Object} msgParams - The params of the message to sign & return to the Dapp.
|
|
* @param {Function} cb - The callback function called with the signature.
|
|
* Passed back to the requesting Dapp.
|
|
*/
|
|
newUnsignedPersonalMessage (msgParams, cb) {
|
|
if (!msgParams.from) {
|
|
return cb(cleanErrorStack(new Error('MetaMask Message Signature: from field is required.')))
|
|
}
|
|
|
|
const msgId = this.personalMessageManager.addUnapprovedMessage(msgParams)
|
|
this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
this.personalMessageManager.once(`${msgId}:finished`, (data) => {
|
|
switch (data.status) {
|
|
case 'signed':
|
|
return cb(null, data.rawSig)
|
|
case 'rejected':
|
|
return cb(cleanErrorStack(new Error('MetaMask Message Signature: User denied message signature.')))
|
|
default:
|
|
return cb(cleanErrorStack(new Error(`MetaMask Message Signature: Unknown problem: ${JSON.stringify(msgParams)}`)))
|
|
}
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Signifies a user's approval to sign a personal_sign message in queue.
|
|
* Triggers signing, and the callback function from newUnsignedPersonalMessage.
|
|
*
|
|
* @param {Object} msgParams - The params of the message to sign & return to the Dapp.
|
|
* @returns {Promise<Object>} - A full state update.
|
|
*/
|
|
signPersonalMessage (msgParams) {
|
|
log.info('MetaMaskController - signPersonalMessage')
|
|
const msgId = msgParams.metamaskId
|
|
// sets the status op the message to 'approved'
|
|
// and removes the metamaskId for signing
|
|
return this.personalMessageManager.approveMessage(msgParams)
|
|
.then((cleanMsgParams) => {
|
|
// signs the message
|
|
return this.keyringController.signPersonalMessage(cleanMsgParams)
|
|
})
|
|
.then((rawSig) => {
|
|
// tells the listener that the message has been signed
|
|
// and can be returned to the dapp
|
|
this.personalMessageManager.setMsgStatusSigned(msgId, rawSig)
|
|
return this.getState()
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Used to cancel a personal_sign type message.
|
|
* @param {string} msgId - The ID of the message to cancel.
|
|
* @param {Function} cb - The callback function called with a full state update.
|
|
*/
|
|
cancelPersonalMessage (msgId, cb) {
|
|
const messageManager = this.personalMessageManager
|
|
messageManager.rejectMsg(msgId)
|
|
if (cb && typeof cb === 'function') {
|
|
cb(null, this.getState())
|
|
}
|
|
}
|
|
|
|
// eth_signTypedData methods
|
|
|
|
/**
|
|
* Called when a dapp uses the eth_signTypedData method, per EIP 712.
|
|
*
|
|
* @param {Object} msgParams - The params passed to eth_signTypedData.
|
|
* @param {Function} cb - The callback function, called with the signature.
|
|
*/
|
|
newUnsignedTypedMessage (msgParams, cb) {
|
|
let msgId
|
|
try {
|
|
msgId = this.typedMessageManager.addUnapprovedMessage(msgParams)
|
|
this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
} catch (e) {
|
|
return cb(e)
|
|
}
|
|
|
|
this.typedMessageManager.once(`${msgId}:finished`, (data) => {
|
|
switch (data.status) {
|
|
case 'signed':
|
|
return cb(null, data.rawSig)
|
|
case 'rejected':
|
|
return cb(cleanErrorStack(new Error('MetaMask Message Signature: User denied message signature.')))
|
|
default:
|
|
return cb(cleanErrorStack(new Error(`MetaMask Message Signature: Unknown problem: ${JSON.stringify(msgParams)}`)))
|
|
}
|
|
})
|
|
}
|
|
|
|
/**
|
|
* The method for a user approving a call to eth_signTypedData, per EIP 712.
|
|
* Triggers the callback in newUnsignedTypedMessage.
|
|
*
|
|
* @param {Object} msgParams - The params passed to eth_signTypedData.
|
|
* @returns {Object} Full state update.
|
|
*/
|
|
signTypedMessage (msgParams) {
|
|
log.info('MetaMaskController - signTypedMessage')
|
|
const msgId = msgParams.metamaskId
|
|
// sets the status op the message to 'approved'
|
|
// and removes the metamaskId for signing
|
|
return this.typedMessageManager.approveMessage(msgParams)
|
|
.then((cleanMsgParams) => {
|
|
// signs the message
|
|
return this.keyringController.signTypedMessage(cleanMsgParams)
|
|
})
|
|
.then((rawSig) => {
|
|
// tells the listener that the message has been signed
|
|
// and can be returned to the dapp
|
|
this.typedMessageManager.setMsgStatusSigned(msgId, rawSig)
|
|
return this.getState()
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Used to cancel a eth_signTypedData type message.
|
|
* @param {string} msgId - The ID of the message to cancel.
|
|
* @param {Function} cb - The callback function called with a full state update.
|
|
*/
|
|
cancelTypedMessage (msgId, cb) {
|
|
const messageManager = this.typedMessageManager
|
|
messageManager.rejectMsg(msgId)
|
|
if (cb && typeof cb === 'function') {
|
|
cb(null, this.getState())
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// MetaMask Version 3 Migration Account Restauration Methods
|
|
|
|
/**
|
|
* A legacy method (probably dead code) that was used when we swapped out our
|
|
* key management library that we depended on.
|
|
*
|
|
* Described in:
|
|
* https://medium.com/metamask/metamask-3-migration-guide-914b79533cdd
|
|
*
|
|
* @deprecated
|
|
* @param {} migratorOutput
|
|
*/
|
|
restoreOldVaultAccounts (migratorOutput) {
|
|
const { serialized } = migratorOutput
|
|
return this.keyringController.restoreKeyring(serialized)
|
|
.then(() => migratorOutput)
|
|
}
|
|
|
|
/**
|
|
* A legacy method used to record user confirmation that they understand
|
|
* that some of their accounts have been recovered but should be backed up.
|
|
*
|
|
* @deprecated
|
|
* @param {Function} cb - A callback function called with a full state update.
|
|
*/
|
|
markAccountsFound (cb) {
|
|
this.configManager.setLostAccounts([])
|
|
this.sendUpdate()
|
|
cb(null, this.getState())
|
|
}
|
|
|
|
/**
|
|
* A legacy method (probably dead code) that was used when we swapped out our
|
|
* key management library that we depended on.
|
|
*
|
|
* Described in:
|
|
* https://medium.com/metamask/metamask-3-migration-guide-914b79533cdd
|
|
*
|
|
* @deprecated
|
|
* @param {} migratorOutput
|
|
*/
|
|
restoreOldLostAccounts (migratorOutput) {
|
|
const { lostAccounts } = migratorOutput
|
|
if (lostAccounts) {
|
|
this.configManager.setLostAccounts(lostAccounts.map(acct => acct.address))
|
|
return this.importLostAccounts(migratorOutput)
|
|
}
|
|
return Promise.resolve(migratorOutput)
|
|
}
|
|
|
|
/**
|
|
* An account object
|
|
* @typedef Account
|
|
* @property string privateKey - The private key of the account.
|
|
*/
|
|
|
|
/**
|
|
* Probably no longer needed, related to the Version 3 migration.
|
|
* Imports a hash of accounts to private keys into the vault.
|
|
*
|
|
* Described in:
|
|
* https://medium.com/metamask/metamask-3-migration-guide-914b79533cdd
|
|
*
|
|
* Uses the array's private keys to create a new Simple Key Pair keychain
|
|
* and add it to the keyring controller.
|
|
* @deprecated
|
|
* @param {Account[]} lostAccounts -
|
|
* @returns {Keyring[]} An array of the restored keyrings.
|
|
*/
|
|
importLostAccounts ({ lostAccounts }) {
|
|
const privKeys = lostAccounts.map(acct => acct.privateKey)
|
|
return this.keyringController.restoreKeyring({
|
|
type: 'Simple Key Pair',
|
|
data: privKeys,
|
|
})
|
|
}
|
|
|
|
//=============================================================================
|
|
// END (VAULT / KEYRING RELATED METHODS)
|
|
//=============================================================================
|
|
|
|
/**
|
|
* Allows a user to try to speed up a transaction by retrying it
|
|
* with higher gas.
|
|
*
|
|
* @param {string} txId - The ID of the transaction to speed up.
|
|
* @param {Function} cb - The callback function called with a full state update.
|
|
*/
|
|
async retryTransaction (txId, cb) {
|
|
await this.txController.retryTransaction(txId)
|
|
const state = await this.getState()
|
|
return state
|
|
}
|
|
|
|
//=============================================================================
|
|
// PASSWORD MANAGEMENT
|
|
//=============================================================================
|
|
|
|
/**
|
|
* Allows a user to begin the seed phrase recovery process.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
markPasswordForgotten(cb) {
|
|
this.configManager.setPasswordForgotten(true)
|
|
this.sendUpdate()
|
|
cb()
|
|
}
|
|
|
|
/**
|
|
* Allows a user to end the seed phrase recovery process.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
unMarkPasswordForgotten(cb) {
|
|
this.configManager.setPasswordForgotten(false)
|
|
this.sendUpdate()
|
|
cb()
|
|
}
|
|
|
|
//=============================================================================
|
|
// SETUP
|
|
//=============================================================================
|
|
|
|
/**
|
|
* Used to create a multiplexed stream for connecting to an untrusted context
|
|
* like a Dapp or other extension.
|
|
* @param {*} connectionStream - The Duplex stream to connect to.
|
|
* @param {string} originDomain - The domain requesting the stream, which
|
|
* may trigger a blacklist reload.
|
|
*/
|
|
setupUntrustedCommunication (connectionStream, originDomain) {
|
|
// Check if new connection is blacklisted
|
|
if (this.blacklistController.checkForPhishing(originDomain)) {
|
|
log.debug('MetaMask - sending phishing warning for', originDomain)
|
|
this.sendPhishingWarning(connectionStream, originDomain)
|
|
return
|
|
}
|
|
|
|
// setup multiplexing
|
|
const mux = setupMultiplex(connectionStream)
|
|
// connect features
|
|
this.setupProviderConnection(mux.createStream('provider'), originDomain)
|
|
this.setupPublicConfig(mux.createStream('publicConfig'))
|
|
}
|
|
|
|
/**
|
|
* Used to create a multiplexed stream for connecting to a trusted context,
|
|
* like our own user interfaces, which have the provider APIs, but also
|
|
* receive the exported API from this controller, which includes trusted
|
|
* functions, like the ability to approve transactions or sign messages.
|
|
*
|
|
* @param {*} connectionStream - The duplex stream to connect to.
|
|
* @param {string} originDomain - The domain requesting the connection,
|
|
* used in logging and error reporting.
|
|
*/
|
|
setupTrustedCommunication (connectionStream, originDomain) {
|
|
// setup multiplexing
|
|
const mux = setupMultiplex(connectionStream)
|
|
// connect features
|
|
this.setupControllerConnection(mux.createStream('controller'))
|
|
this.setupProviderConnection(mux.createStream('provider'), originDomain)
|
|
}
|
|
|
|
/**
|
|
* Called when we detect a suspicious domain. Requests the browser redirects
|
|
* to our anti-phishing page.
|
|
*
|
|
* @private
|
|
* @param {*} connectionStream - The duplex stream to the per-page script,
|
|
* for sending the reload attempt to.
|
|
* @param {string} hostname - The URL that triggered the suspicion.
|
|
*/
|
|
sendPhishingWarning (connectionStream, hostname) {
|
|
const mux = setupMultiplex(connectionStream)
|
|
const phishingStream = mux.createStream('phishing')
|
|
phishingStream.write({ hostname })
|
|
}
|
|
|
|
/**
|
|
* A method for providing our API over a stream using Dnode.
|
|
* @param {*} outStream - The stream to provide our API over.
|
|
*/
|
|
setupControllerConnection (outStream) {
|
|
const api = this.getApi()
|
|
const dnode = Dnode(api)
|
|
pump(
|
|
outStream,
|
|
dnode,
|
|
outStream,
|
|
(err) => {
|
|
if (err) log.error(err)
|
|
}
|
|
)
|
|
dnode.on('remote', (remote) => {
|
|
// push updates to popup
|
|
const sendUpdate = remote.sendUpdate.bind(remote)
|
|
this.on('update', sendUpdate)
|
|
})
|
|
}
|
|
|
|
/**
|
|
* A method for serving our ethereum provider over a given stream.
|
|
* @param {*} outStream - The stream to provide over.
|
|
* @param {string} origin - The URI of the requesting resource.
|
|
*/
|
|
setupProviderConnection (outStream, origin) {
|
|
// setup json rpc engine stack
|
|
const engine = new RpcEngine()
|
|
|
|
// create filter polyfill middleware
|
|
const filterMiddleware = createFilterMiddleware({
|
|
provider: this.provider,
|
|
blockTracker: this.provider._blockTracker,
|
|
})
|
|
|
|
engine.push(createOriginMiddleware({ origin }))
|
|
engine.push(createLoggerMiddleware({ origin }))
|
|
engine.push(filterMiddleware)
|
|
engine.push(createProviderMiddleware({ provider: this.provider }))
|
|
|
|
// setup connection
|
|
const providerStream = createEngineStream({ engine })
|
|
pump(
|
|
outStream,
|
|
providerStream,
|
|
outStream,
|
|
(err) => {
|
|
// cleanup filter polyfill middleware
|
|
filterMiddleware.destroy()
|
|
if (err) log.error(err)
|
|
}
|
|
)
|
|
}
|
|
|
|
/**
|
|
* A method for providing our public config info over a stream.
|
|
* This includes info we like to be synchronous if possible, like
|
|
* the current selected account, and network ID.
|
|
*
|
|
* Since synchronous methods have been deprecated in web3,
|
|
* this is a good candidate for deprecation.
|
|
*
|
|
* @param {*} outStream - The stream to provide public config over.
|
|
*/
|
|
setupPublicConfig (outStream) {
|
|
pump(
|
|
asStream(this.publicConfigStore),
|
|
outStream,
|
|
(err) => {
|
|
if (err) log.error(err)
|
|
}
|
|
)
|
|
}
|
|
|
|
/**
|
|
* A method for emitting the full MetaMask state to all registered listeners.
|
|
* @private
|
|
*/
|
|
privateSendUpdate () {
|
|
this.emit('update', this.getState())
|
|
}
|
|
|
|
/**
|
|
* A method for estimating a good gas price at recent prices.
|
|
* Returns the lowest price that would have been included in
|
|
* 50% of recent blocks.
|
|
*
|
|
* @returns {string} A hex representation of the suggested wei gas price.
|
|
*/
|
|
getGasPrice () {
|
|
const { recentBlocksController } = this
|
|
const { recentBlocks } = recentBlocksController.store.getState()
|
|
|
|
// Return 1 gwei if no blocks have been observed:
|
|
if (recentBlocks.length === 0) {
|
|
return '0x' + GWEI_BN.toString(16)
|
|
}
|
|
|
|
const lowestPrices = recentBlocks.map((block) => {
|
|
if (!block.gasPrices || block.gasPrices.length < 1) {
|
|
return GWEI_BN
|
|
}
|
|
return block.gasPrices
|
|
.map(hexPrefix => hexPrefix.substr(2))
|
|
.map(hex => new BN(hex, 16))
|
|
.sort((a, b) => {
|
|
return a.gt(b) ? 1 : -1
|
|
})[0]
|
|
})
|
|
.map(number => number.div(GWEI_BN).toNumber())
|
|
|
|
const percentileNum = percentile(50, lowestPrices)
|
|
const percentileNumBn = new BN(percentileNum)
|
|
return '0x' + percentileNumBn.mul(GWEI_BN).toString(16)
|
|
}
|
|
|
|
//=============================================================================
|
|
// CONFIG
|
|
//=============================================================================
|
|
|
|
// Log blocks
|
|
|
|
/**
|
|
* A method for setting the user's preferred display currency.
|
|
* @param {string} currencyCode - The code of the preferred currency.
|
|
* @param {Function} cb - A callback function returning currency info.
|
|
*/
|
|
setCurrentCurrency (currencyCode, cb) {
|
|
try {
|
|
this.currencyController.setCurrentCurrency(currencyCode)
|
|
this.currencyController.updateConversionRate()
|
|
const data = {
|
|
conversionRate: this.currencyController.getConversionRate(),
|
|
currentCurrency: this.currencyController.getCurrentCurrency(),
|
|
conversionDate: this.currencyController.getConversionDate(),
|
|
}
|
|
cb(null, data)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for forwarding the user to the easiest way to obtain ether,
|
|
* or the network "gas" currency, for the current selected network.
|
|
*
|
|
* @param {string} address - The address to fund.
|
|
* @param {string} amount - The amount of ether desired, as a base 10 string.
|
|
*/
|
|
buyEth (address, amount) {
|
|
if (!amount) amount = '5'
|
|
const network = this.networkController.getNetworkState()
|
|
const url = getBuyEthUrl({ network, address, amount })
|
|
if (url) this.platform.openWindow({ url })
|
|
}
|
|
|
|
/**
|
|
* A method for triggering a shapeshift currency transfer.
|
|
* @param {string} depositAddress - The address to deposit to.
|
|
* @property {string} depositType - An abbreviation of the type of crypto currency to be deposited.
|
|
*/
|
|
createShapeShiftTx (depositAddress, depositType) {
|
|
this.shapeshiftController.createShapeShiftTx(depositAddress, depositType)
|
|
}
|
|
|
|
// network
|
|
|
|
/**
|
|
* A method for selecting a custom URL for an ethereum RPC provider.
|
|
* @param {string} rpcTarget - A URL for a valid Ethereum RPC API.
|
|
* @returns {Promise<String>} - The RPC Target URL confirmed.
|
|
*/
|
|
async setCustomRpc (rpcTarget) {
|
|
this.networkController.setRpcTarget(rpcTarget)
|
|
await this.preferencesController.updateFrequentRpcList(rpcTarget)
|
|
return rpcTarget
|
|
}
|
|
|
|
/**
|
|
* Sets whether or not to use the blockie identicon format.
|
|
* @param {boolean} val - True for bockie, false for jazzicon.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
setUseBlockie (val, cb) {
|
|
try {
|
|
this.preferencesController.setUseBlockie(val)
|
|
cb(null)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for setting a user's current locale, affecting the language rendered.
|
|
* @param {string} key - Locale identifier.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
setCurrentLocale (key, cb) {
|
|
try {
|
|
this.preferencesController.setCurrentLocale(key)
|
|
cb(null)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for initializing storage the first time.
|
|
* @param {Object} initState - The default state to initialize with.
|
|
* @private
|
|
*/
|
|
recordFirstTimeInfo (initState) {
|
|
if (!('firstTimeInfo' in initState)) {
|
|
initState.firstTimeInfo = {
|
|
version,
|
|
date: Date.now(),
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for recording whether the MetaMask user interface is open or not.
|
|
* @private
|
|
* @param {boolean} open
|
|
*/
|
|
set isClientOpen (open) {
|
|
this._isClientOpen = open
|
|
this.isClientOpenAndUnlocked = this.getState().isUnlocked && open
|
|
}
|
|
|
|
/**
|
|
* A method for activating the retrieval of price data, which should only be fetched when the UI is visible.
|
|
* @private
|
|
* @param {boolean} active - True if price data should be getting fetched.
|
|
*/
|
|
set isClientOpenAndUnlocked (active) {
|
|
this.tokenRatesController.isActive = active
|
|
}
|
|
}
|