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1943 lines
68 KiB
1943 lines
68 KiB
/**
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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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import EventEmitter from 'events'
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import pump from 'pump'
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import Dnode from 'dnode'
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import extension from 'extensionizer'
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import ObservableStore from 'obs-store'
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import ComposableObservableStore from './lib/ComposableObservableStore'
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import asStream from 'obs-store/lib/asStream'
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import AccountTracker from './lib/account-tracker'
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import RpcEngine from 'json-rpc-engine'
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import debounce from 'debounce'
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import createEngineStream from 'json-rpc-middleware-stream/engineStream'
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import createFilterMiddleware from 'eth-json-rpc-filters'
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import createSubscriptionManager from 'eth-json-rpc-filters/subscriptionManager'
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import createLoggerMiddleware from './lib/createLoggerMiddleware'
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import createOriginMiddleware from './lib/createOriginMiddleware'
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import createOnboardingMiddleware from './lib/createOnboardingMiddleware'
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import providerAsMiddleware from 'eth-json-rpc-middleware/providerAsMiddleware'
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import { setupMultiplex } from './lib/stream-utils.js'
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import KeyringController from 'eth-keyring-controller'
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import EnsController from './controllers/ens'
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import NetworkController from './controllers/network'
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import PreferencesController from './controllers/preferences'
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import AppStateController from './controllers/app-state'
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import InfuraController from './controllers/infura'
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import CachedBalancesController from './controllers/cached-balances'
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import OnboardingController from './controllers/onboarding'
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import ThreeBoxController from './controllers/threebox'
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import RecentBlocksController from './controllers/recent-blocks'
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import IncomingTransactionsController from './controllers/incoming-transactions'
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import MessageManager from './lib/message-manager'
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import PersonalMessageManager from './lib/personal-message-manager'
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import TypedMessageManager from './lib/typed-message-manager'
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import TransactionController from './controllers/transactions'
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import TokenRatesController from './controllers/token-rates'
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import DetectTokensController from './controllers/detect-tokens'
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import ABTestController from './controllers/ab-test'
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import { PermissionsController } from './controllers/permissions'
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import nodeify from './lib/nodeify'
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import accountImporter from './account-import-strategies'
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import getBuyEthUrl from './lib/buy-eth-url'
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import selectChainId from './lib/select-chain-id'
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import { Mutex } from 'await-semaphore'
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import { version } from '../manifest.json'
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import ethUtil, { BN } from 'ethereumjs-util'
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const GWEI_BN = new BN('1000000000')
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import percentile from 'percentile'
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import seedPhraseVerifier from './lib/seed-phrase-verifier'
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import log from 'loglevel'
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import TrezorKeyring from 'eth-trezor-keyring'
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import LedgerBridgeKeyring from 'eth-ledger-bridge-keyring'
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import EthQuery from 'eth-query'
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import nanoid from 'nanoid'
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import contractMap from 'eth-contract-metadata'
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import {
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AddressBookController,
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CurrencyRateController,
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ShapeShiftController,
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PhishingController,
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} from 'gaba'
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import backEndMetaMetricsEvent from './lib/backend-metametrics'
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export default 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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// this keeps track of how many "controllerStream" connections are open
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// the only thing that uses controller connections are open metamask UI instances
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this.activeControllerConnections = 0
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// platform-specific api
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this.platform = opts.platform
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this.getRequestAccountTabIds = opts.getRequestAccountTabIds
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this.getOpenMetamaskTabsIds = opts.getOpenMetamaskTabsIds
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// observable state store
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this.store = new ComposableObservableStore(initState)
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// external connections by origin
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// Do not modify directly. Use the associated methods.
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this.connections = {}
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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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// next, we will initialize the controllers
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// controller initializaiton order matters
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this.networkController = new NetworkController(initState.NetworkController)
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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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openPopup: opts.openPopup,
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network: this.networkController,
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})
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this.appStateController = new AppStateController({
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preferencesStore: this.preferencesController.store,
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onInactiveTimeout: () => this.setLocked(),
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initState: initState.AppStateController,
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})
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this.currencyRateController = new CurrencyRateController(undefined, initState.CurrencyController)
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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.phishingController = new PhishingController()
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// now we can initialize the RPC provider, which other controllers require
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this.initializeProvider()
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this.provider = this.networkController.getProviderAndBlockTracker().provider
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this.blockTracker = this.networkController.getProviderAndBlockTracker().blockTracker
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// token exchange rate tracker
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this.tokenRatesController = new TokenRatesController({
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currency: this.currencyRateController,
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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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networkController: this.networkController,
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})
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this.ensController = new EnsController({
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provider: this.provider,
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networkStore: this.networkController.networkStore,
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})
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this.incomingTransactionsController = new IncomingTransactionsController({
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blockTracker: this.blockTracker,
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networkController: this.networkController,
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preferencesController: this.preferencesController,
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initState: initState.IncomingTransactionsController,
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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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network: this.networkController,
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})
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// start and stop polling for balances based on activeControllerConnections
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this.on('controllerConnectionChanged', (activeControllerConnections) => {
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if (activeControllerConnections > 0) {
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this.accountTracker.start()
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this.incomingTransactionsController.start()
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} else {
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this.accountTracker.stop()
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this.incomingTransactionsController.stop()
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}
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})
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this.cachedBalancesController = new CachedBalancesController({
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accountTracker: this.accountTracker,
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getNetwork: this.networkController.getNetworkState.bind(this.networkController),
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initState: initState.CachedBalancesController,
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})
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this.onboardingController = new OnboardingController({
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initState: initState.OnboardingController,
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preferencesController: this.preferencesController,
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})
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// ensure accountTracker updates balances after network change
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this.networkController.on('networkDidChange', () => {
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this.accountTracker._updateAccounts()
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})
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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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getNetwork: this.networkController.getNetworkState.bind(this.networkController),
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encryptor: opts.encryptor || undefined,
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})
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this.keyringController.memStore.subscribe((s) => this._onKeyringControllerUpdate(s))
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this.permissionsController = new PermissionsController({
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keyringController: this.keyringController,
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platform: opts.platform,
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notifyDomain: this.notifyConnections.bind(this),
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notifyAllDomains: this.notifyAllConnections.bind(this),
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}, initState.PermissionsController, initState.PermissionsMetadata)
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this.detectTokensController = new DetectTokensController({
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preferences: this.preferencesController,
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network: this.networkController,
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keyringMemStore: this.keyringController.memStore,
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})
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this.abTestController = new ABTestController({
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initState: initState.ABTestController,
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})
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this.addressBookController = new AddressBookController(undefined, initState.AddressBookController)
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this.threeBoxController = new ThreeBoxController({
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preferencesController: this.preferencesController,
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addressBookController: this.addressBookController,
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keyringController: this.keyringController,
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initState: initState.ThreeBoxController,
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getKeyringControllerState: this.keyringController.memStore.getState.bind(this.keyringController.memStore),
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version,
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})
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this.txController = new TransactionController({
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initState: initState.TransactionController || initState.TransactionManager,
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getPermittedAccounts: this.permissionsController.getAccounts.bind(this.permissionsController),
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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())
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this.txController.on(`tx:status-update`, async (txId, status) => {
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if (status === 'confirmed' || status === 'failed') {
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const txMeta = this.txController.txStateManager.getTx(txId)
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this.platform.showTransactionNotification(txMeta)
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const { txReceipt } = txMeta
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const participateInMetaMetrics = this.preferencesController.getParticipateInMetaMetrics()
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if (txReceipt && txReceipt.status === '0x0' && participateInMetaMetrics) {
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const metamaskState = await this.getState()
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backEndMetaMetricsEvent(metamaskState, {
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customVariables: {
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errorMessage: txMeta.simulationFails.reason,
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},
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eventOpts: {
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category: 'backend',
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action: 'Transactions',
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name: 'On Chain Failure',
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},
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})
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}
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}
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})
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this.networkController.on('networkDidChange', () => {
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this.setCurrentCurrency(this.currencyRateController.state.currentCurrency, function () {})
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})
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this.shapeshiftController = new ShapeShiftController(undefined, initState.ShapeShiftController)
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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({ networkController: this.networkController })
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// ensure isClientOpenAndUnlocked is updated when memState updates
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this.on('update', (memState) => {
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this.isClientOpenAndUnlocked = memState.isUnlocked && this._isClientOpen
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})
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this.store.updateStructure({
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AppStateController: this.appStateController.store,
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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,
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CurrencyController: this.currencyRateController,
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ShapeShiftController: this.shapeshiftController,
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NetworkController: this.networkController.store,
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InfuraController: this.infuraController.store,
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CachedBalancesController: this.cachedBalancesController.store,
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OnboardingController: this.onboardingController.store,
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IncomingTransactionsController: this.incomingTransactionsController.store,
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ABTestController: this.abTestController.store,
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PermissionsController: this.permissionsController.permissions,
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PermissionsMetadata: this.permissionsController.store,
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ThreeBoxController: this.threeBoxController.store,
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})
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this.memStore = new ComposableObservableStore(null, {
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AppStateController: this.appStateController.store,
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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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CachedBalancesController: this.cachedBalancesController.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,
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CurrencyController: this.currencyRateController,
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ShapeshiftController: this.shapeshiftController,
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InfuraController: this.infuraController.store,
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OnboardingController: this.onboardingController.store,
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IncomingTransactionsController: this.incomingTransactionsController.store,
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PermissionsController: this.permissionsController.permissions,
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PermissionsMetadata: this.permissionsController.store,
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ThreeBoxController: this.threeBoxController.store,
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ABTestController: this.abTestController.store,
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// ENS Controller
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EnsController: this.ensController.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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},
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version,
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// account mgmt
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getAccounts: async ({ origin }) => {
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if (origin === 'metamask') {
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const selectedAddress = this.preferencesController.getSelectedAddress()
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return selectedAddress ? [selectedAddress] : []
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} else if (
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this.keyringController.memStore.getState().isUnlocked
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) {
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return await this.permissionsController.getAccounts(origin)
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}
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return [] // changing this is a breaking change
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},
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// tx signing
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processTransaction: this.newUnapprovedTransaction.bind(this),
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// msg signing
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processEthSignMessage: this.newUnsignedMessage.bind(this),
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processTypedMessage: this.newUnsignedTypedMessage.bind(this),
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processTypedMessageV3: this.newUnsignedTypedMessage.bind(this),
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processTypedMessageV4: this.newUnsignedTypedMessage.bind(this),
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processPersonalMessage: this.newUnsignedPersonalMessage.bind(this),
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getPendingNonce: this.getPendingNonce.bind(this),
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getPendingTransactionByHash: (hash) => this.txController.getFilteredTxList({ hash, status: 'submitted' })[0],
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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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createPublicConfigStore () {
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// subset of state for metamask inpage provider
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const publicConfigStore = new ObservableStore()
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// setup memStore subscription hooks
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this.on('update', updatePublicConfigStore)
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updatePublicConfigStore(this.getState())
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publicConfigStore.destroy = () => {
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this.removeEventListener && this.removeEventListener('update', updatePublicConfigStore)
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}
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function updatePublicConfigStore (memState) {
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publicConfigStore.putState(selectPublicState(memState))
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}
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function selectPublicState ({ isUnlocked, network, provider }) {
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return {
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isUnlocked,
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networkVersion: network,
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chainId: selectChainId({ network, provider }),
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}
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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 vault = this.keyringController.store.getState().vault
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const isInitialized = !!vault
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return {
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...{ isInitialized },
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...this.memStore.getFlatState(),
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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 networkController = this.networkController
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const onboardingController = this.onboardingController
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const permissionsController = this.permissionsController
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const preferencesController = this.preferencesController
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const threeBoxController = this.threeBoxController
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const abTestController = this.abTestController
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const txController = this.txController
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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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setUseNonceField: this.setUseNonceField.bind(this),
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setIpfsGateway: this.setIpfsGateway.bind(this),
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setParticipateInMetaMetrics: this.setParticipateInMetaMetrics.bind(this),
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setMetaMetricsSendCount: this.setMetaMetricsSendCount.bind(this),
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setFirstTimeFlowType: this.setFirstTimeFlowType.bind(this),
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setCurrentLocale: this.setCurrentLocale.bind(this),
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markPasswordForgotten: this.markPasswordForgotten.bind(this),
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unMarkPasswordForgotten: this.unMarkPasswordForgotten.bind(this),
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getGasPrice: (cb) => cb(null, this.getGasPrice()),
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// coinbase
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buyEth: this.buyEth.bind(this),
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// primary HD keyring management
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addNewAccount: nodeify(this.addNewAccount, this),
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verifySeedPhrase: nodeify(this.verifySeedPhrase, this),
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resetAccount: nodeify(this.resetAccount, this),
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removeAccount: nodeify(this.removeAccount, this),
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importAccountWithStrategy: nodeify(this.importAccountWithStrategy, this),
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// hardware wallets
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connectHardware: nodeify(this.connectHardware, this),
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forgetDevice: nodeify(this.forgetDevice, this),
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checkHardwareStatus: nodeify(this.checkHardwareStatus, this),
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unlockHardwareWalletAccount: nodeify(this.unlockHardwareWalletAccount, this),
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// mobile
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fetchInfoToSync: nodeify(this.fetchInfoToSync, 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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updateAndSetCustomRpc: nodeify(this.updateAndSetCustomRpc, this),
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delCustomRpc: nodeify(this.delCustomRpc, 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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removeSuggestedTokens: nodeify(preferencesController.removeSuggestedTokens, 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),
|
|
setPreference: nodeify(preferencesController.setPreference, preferencesController),
|
|
completeOnboarding: nodeify(preferencesController.completeOnboarding, preferencesController),
|
|
addKnownMethodData: nodeify(preferencesController.addKnownMethodData, preferencesController),
|
|
|
|
// BlacklistController
|
|
whitelistPhishingDomain: this.whitelistPhishingDomain.bind(this),
|
|
|
|
// AddressController
|
|
setAddressBook: nodeify(this.addressBookController.set, this.addressBookController),
|
|
removeFromAddressBook: this.addressBookController.delete.bind(this.addressBookController),
|
|
|
|
// AppStateController
|
|
setLastActiveTime: nodeify(this.appStateController.setLastActiveTime, this.appStateController),
|
|
setMkrMigrationReminderTimestamp: nodeify(this.appStateController.setMkrMigrationReminderTimestamp, this.appStateController),
|
|
|
|
// EnsController
|
|
tryReverseResolveAddress: nodeify(this.ensController.reverseResolveAddress, this.ensController),
|
|
|
|
// KeyringController
|
|
setLocked: nodeify(this.setLocked, this),
|
|
createNewVaultAndKeychain: nodeify(this.createNewVaultAndKeychain, this),
|
|
createNewVaultAndRestore: nodeify(this.createNewVaultAndRestore, this),
|
|
addNewKeyring: nodeify(keyringController.addNewKeyring, keyringController),
|
|
exportAccount: nodeify(keyringController.exportAccount, keyringController),
|
|
|
|
// txController
|
|
cancelTransaction: nodeify(txController.cancelTransaction, txController),
|
|
updateTransaction: nodeify(txController.updateTransaction, txController),
|
|
updateAndApproveTransaction: nodeify(txController.updateAndApproveTransaction, txController),
|
|
retryTransaction: nodeify(this.retryTransaction, this),
|
|
createCancelTransaction: nodeify(this.createCancelTransaction, this),
|
|
createSpeedUpTransaction: nodeify(this.createSpeedUpTransaction, this),
|
|
getFilteredTxList: nodeify(txController.getFilteredTxList, txController),
|
|
isNonceTaken: nodeify(txController.isNonceTaken, txController),
|
|
estimateGas: nodeify(this.estimateGas, this),
|
|
getPendingNonce: nodeify(this.getPendingNonce, this),
|
|
getNextNonce: nodeify(this.getNextNonce, this),
|
|
|
|
// messageManager
|
|
signMessage: nodeify(this.signMessage, this),
|
|
cancelMessage: this.cancelMessage.bind(this),
|
|
|
|
// personalMessageManager
|
|
signPersonalMessage: nodeify(this.signPersonalMessage, this),
|
|
cancelPersonalMessage: this.cancelPersonalMessage.bind(this),
|
|
|
|
// personalMessageManager
|
|
signTypedMessage: nodeify(this.signTypedMessage, this),
|
|
cancelTypedMessage: this.cancelTypedMessage.bind(this),
|
|
|
|
// onboarding controller
|
|
setSeedPhraseBackedUp: nodeify(onboardingController.setSeedPhraseBackedUp, onboardingController),
|
|
|
|
// 3Box
|
|
setThreeBoxSyncingPermission: nodeify(threeBoxController.setThreeBoxSyncingPermission, threeBoxController),
|
|
restoreFromThreeBox: nodeify(threeBoxController.restoreFromThreeBox, threeBoxController),
|
|
setShowRestorePromptToFalse: nodeify(threeBoxController.setShowRestorePromptToFalse, threeBoxController),
|
|
getThreeBoxLastUpdated: nodeify(threeBoxController.getLastUpdated, threeBoxController),
|
|
turnThreeBoxSyncingOn: nodeify(threeBoxController.turnThreeBoxSyncingOn, threeBoxController),
|
|
initializeThreeBox: nodeify(this.initializeThreeBox, this),
|
|
|
|
// a/b test controller
|
|
getAssignedABTestGroupName: nodeify(abTestController.getAssignedABTestGroupName, abTestController),
|
|
|
|
// permissions
|
|
approvePermissionsRequest: nodeify(permissionsController.approvePermissionsRequest, permissionsController),
|
|
clearPermissions: permissionsController.clearPermissions.bind(permissionsController),
|
|
getApprovedAccounts: nodeify(permissionsController.getAccounts.bind(permissionsController)),
|
|
rejectPermissionsRequest: nodeify(permissionsController.rejectPermissionsRequest, permissionsController),
|
|
removePermissionsFor: permissionsController.removePermissionsFor.bind(permissionsController),
|
|
updateExposedAccounts: nodeify(permissionsController.updateExposedAccounts, permissionsController),
|
|
legacyExposeAccounts: nodeify(permissionsController.legacyExposeAccounts, permissionsController),
|
|
|
|
getRequestAccountTabIds: (cb) => cb(null, this.getRequestAccountTabIds()),
|
|
getOpenMetamaskTabsIds: (cb) => cb(null, this.getOpenMetamaskTabsIds()),
|
|
}
|
|
}
|
|
|
|
//=============================================================================
|
|
// VAULT / KEYRING RELATED METHODS
|
|
//=============================================================================
|
|
|
|
/**
|
|
* Creates a new Vault and create a new keychain.
|
|
*
|
|
* A vault, or KeyringController, is a controller that contains
|
|
* many different account strategies, currently called Keyrings.
|
|
* Creating it new means wiping all previous keyrings.
|
|
*
|
|
* A keychain, or keyring, controls many accounts with a single backup and signing strategy.
|
|
* For example, a mnemonic phrase can generate many accounts, and is a keyring.
|
|
*
|
|
* @param {string} password
|
|
*
|
|
* @returns {Object} vault
|
|
*/
|
|
async createNewVaultAndKeychain (password) {
|
|
const releaseLock = await this.createVaultMutex.acquire()
|
|
try {
|
|
let vault
|
|
const accounts = await this.keyringController.getAccounts()
|
|
if (accounts.length > 0) {
|
|
vault = await this.keyringController.fullUpdate()
|
|
} else {
|
|
vault = await this.keyringController.createNewVaultAndKeychain(password)
|
|
const accounts = await this.keyringController.getAccounts()
|
|
this.preferencesController.setAddresses(accounts)
|
|
this.selectFirstIdentity()
|
|
}
|
|
releaseLock()
|
|
return vault
|
|
} catch (err) {
|
|
releaseLock()
|
|
throw err
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create a new Vault and restore an existent keyring.
|
|
* @param {} password
|
|
* @param {} seed
|
|
*/
|
|
async createNewVaultAndRestore (password, seed) {
|
|
const releaseLock = await this.createVaultMutex.acquire()
|
|
try {
|
|
let accounts, lastBalance
|
|
|
|
const keyringController = this.keyringController
|
|
|
|
// clear known identities
|
|
this.preferencesController.setAddresses([])
|
|
// create new vault
|
|
const vault = await keyringController.createNewVaultAndRestore(password, seed)
|
|
|
|
const ethQuery = new EthQuery(this.provider)
|
|
accounts = await keyringController.getAccounts()
|
|
lastBalance = await this.getBalance(accounts[accounts.length - 1], ethQuery)
|
|
|
|
const primaryKeyring = keyringController.getKeyringsByType('HD Key Tree')[0]
|
|
if (!primaryKeyring) {
|
|
throw new Error('MetamaskController - No HD Key Tree found')
|
|
}
|
|
|
|
// seek out the first zero balance
|
|
while (lastBalance !== '0x0') {
|
|
await keyringController.addNewAccount(primaryKeyring)
|
|
accounts = await keyringController.getAccounts()
|
|
lastBalance = await this.getBalance(accounts[accounts.length - 1], ethQuery)
|
|
}
|
|
|
|
// set new identities
|
|
this.preferencesController.setAddresses(accounts)
|
|
this.selectFirstIdentity()
|
|
releaseLock()
|
|
return vault
|
|
} catch (err) {
|
|
releaseLock()
|
|
throw err
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get an account balance from the AccountTracker or request it directly from the network.
|
|
* @param {string} address - The account address
|
|
* @param {EthQuery} ethQuery - The EthQuery instance to use when asking the network
|
|
*/
|
|
getBalance (address, ethQuery) {
|
|
return new Promise((resolve, reject) => {
|
|
const cached = this.accountTracker.store.getState().accounts[address]
|
|
|
|
if (cached && cached.balance) {
|
|
resolve(cached.balance)
|
|
} else {
|
|
ethQuery.getBalance(address, (error, balance) => {
|
|
if (error) {
|
|
reject(error)
|
|
log.error(error)
|
|
} else {
|
|
resolve(balance || '0x0')
|
|
}
|
|
})
|
|
}
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Collects all the information that we want to share
|
|
* with the mobile client for syncing purposes
|
|
* @returns Promise<Object> Parts of the state that we want to syncx
|
|
*/
|
|
async fetchInfoToSync () {
|
|
// Preferences
|
|
const {
|
|
accountTokens,
|
|
currentLocale,
|
|
frequentRpcList,
|
|
identities,
|
|
selectedAddress,
|
|
tokens,
|
|
} = this.preferencesController.store.getState()
|
|
|
|
// Filter ERC20 tokens
|
|
const filteredAccountTokens = {}
|
|
Object.keys(accountTokens).forEach(address => {
|
|
const checksummedAddress = ethUtil.toChecksumAddress(address)
|
|
filteredAccountTokens[checksummedAddress] = {}
|
|
Object.keys(accountTokens[address]).forEach(
|
|
networkType => (filteredAccountTokens[checksummedAddress][networkType] = networkType !== 'mainnet' ?
|
|
accountTokens[address][networkType] :
|
|
accountTokens[address][networkType].filter(({ address }) => {
|
|
const tokenAddress = ethUtil.toChecksumAddress(address)
|
|
return contractMap[tokenAddress] ? contractMap[tokenAddress].erc20 : true
|
|
})
|
|
)
|
|
)
|
|
})
|
|
|
|
const preferences = {
|
|
accountTokens: filteredAccountTokens,
|
|
currentLocale,
|
|
frequentRpcList,
|
|
identities,
|
|
selectedAddress,
|
|
tokens,
|
|
}
|
|
|
|
// Accounts
|
|
const hdKeyring = this.keyringController.getKeyringsByType('HD Key Tree')[0]
|
|
const hdAccounts = await hdKeyring.getAccounts()
|
|
const accounts = {
|
|
hd: hdAccounts.filter((item, pos) => (hdAccounts.indexOf(item) === pos)).map(address => ethUtil.toChecksumAddress(address)),
|
|
simpleKeyPair: [],
|
|
ledger: [],
|
|
trezor: [],
|
|
}
|
|
|
|
// transactions
|
|
|
|
let transactions = this.txController.store.getState().transactions
|
|
// delete tx for other accounts that we're not importing
|
|
transactions = transactions.filter(tx => {
|
|
const checksummedTxFrom = ethUtil.toChecksumAddress(tx.txParams.from)
|
|
return (
|
|
accounts.hd.includes(checksummedTxFrom)
|
|
)
|
|
})
|
|
|
|
return {
|
|
accounts,
|
|
preferences,
|
|
transactions,
|
|
network: this.networkController.store.getState(),
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Submits the user's password and attempts to unlock the vault.
|
|
* Also synchronizes the preferencesController, to ensure its schema
|
|
* is up to date with known accounts once the vault is decrypted.
|
|
*
|
|
* @param {string} password - The user's password
|
|
* @returns {Promise<object>} - The keyringController update.
|
|
*/
|
|
async submitPassword (password) {
|
|
await this.keyringController.submitPassword(password)
|
|
const accounts = await this.keyringController.getAccounts()
|
|
|
|
// verify keyrings
|
|
const nonSimpleKeyrings = this.keyringController.keyrings.filter(keyring => keyring.type !== 'Simple Key Pair')
|
|
if (nonSimpleKeyrings.length > 1 && this.diagnostics) {
|
|
await this.diagnostics.reportMultipleKeyrings(nonSimpleKeyrings)
|
|
}
|
|
|
|
await this.preferencesController.syncAddresses(accounts)
|
|
await this.txController.pendingTxTracker.updatePendingTxs()
|
|
|
|
try {
|
|
const threeBoxSyncingAllowed = this.threeBoxController.getThreeBoxSyncingState()
|
|
if (threeBoxSyncingAllowed && !this.threeBoxController.box) {
|
|
// 'await' intentionally omitted to avoid waiting for initialization
|
|
this.threeBoxController.init()
|
|
this.threeBoxController.turnThreeBoxSyncingOn()
|
|
} else if (threeBoxSyncingAllowed && this.threeBoxController.box) {
|
|
this.threeBoxController.turnThreeBoxSyncingOn()
|
|
}
|
|
} catch (error) {
|
|
log.error(error)
|
|
}
|
|
|
|
return this.keyringController.fullUpdate()
|
|
}
|
|
|
|
/**
|
|
* @type Identity
|
|
* @property {string} name - The account nickname.
|
|
* @property {string} address - The account's ethereum address, in lower case.
|
|
* @property {boolean} mayBeFauceting - Whether this account is currently
|
|
* receiving funds from our automatic Ropsten faucet.
|
|
*/
|
|
|
|
/**
|
|
* Sets the first address in the state to the selected address
|
|
*/
|
|
selectFirstIdentity () {
|
|
const { identities } = this.preferencesController.store.getState()
|
|
const address = Object.keys(identities)[0]
|
|
this.preferencesController.setSelectedAddress(address)
|
|
}
|
|
|
|
//
|
|
// Hardware
|
|
//
|
|
|
|
async getKeyringForDevice (deviceName, hdPath = null) {
|
|
let keyringName = null
|
|
switch (deviceName) {
|
|
case 'trezor':
|
|
keyringName = TrezorKeyring.type
|
|
break
|
|
case 'ledger':
|
|
keyringName = LedgerBridgeKeyring.type
|
|
break
|
|
default:
|
|
throw new Error('MetamaskController:getKeyringForDevice - Unknown device')
|
|
}
|
|
let keyring = await this.keyringController.getKeyringsByType(keyringName)[0]
|
|
if (!keyring) {
|
|
keyring = await this.keyringController.addNewKeyring(keyringName)
|
|
}
|
|
if (hdPath && keyring.setHdPath) {
|
|
keyring.setHdPath(hdPath)
|
|
}
|
|
|
|
keyring.network = this.networkController.getProviderConfig().type
|
|
|
|
return keyring
|
|
|
|
}
|
|
|
|
/**
|
|
* Fetch account list from a trezor device.
|
|
*
|
|
* @returns [] accounts
|
|
*/
|
|
async connectHardware (deviceName, page, hdPath) {
|
|
const keyring = await this.getKeyringForDevice(deviceName, hdPath)
|
|
let accounts = []
|
|
switch (page) {
|
|
case -1:
|
|
accounts = await keyring.getPreviousPage()
|
|
break
|
|
case 1:
|
|
accounts = await keyring.getNextPage()
|
|
break
|
|
default:
|
|
accounts = await keyring.getFirstPage()
|
|
}
|
|
|
|
// Merge with existing accounts
|
|
// and make sure addresses are not repeated
|
|
const oldAccounts = await this.keyringController.getAccounts()
|
|
const accountsToTrack = [...new Set(oldAccounts.concat(accounts.map(a => a.address.toLowerCase())))]
|
|
this.accountTracker.syncWithAddresses(accountsToTrack)
|
|
return accounts
|
|
}
|
|
|
|
/**
|
|
* Check if the device is unlocked
|
|
*
|
|
* @returns {Promise<boolean>}
|
|
*/
|
|
async checkHardwareStatus (deviceName, hdPath) {
|
|
const keyring = await this.getKeyringForDevice(deviceName, hdPath)
|
|
return keyring.isUnlocked()
|
|
}
|
|
|
|
/**
|
|
* Clear
|
|
*
|
|
* @returns {Promise<boolean>}
|
|
*/
|
|
async forgetDevice (deviceName) {
|
|
|
|
const keyring = await this.getKeyringForDevice(deviceName)
|
|
keyring.forgetDevice()
|
|
return true
|
|
}
|
|
|
|
/**
|
|
* Imports an account from a trezor device.
|
|
*
|
|
* @returns {} keyState
|
|
*/
|
|
async unlockHardwareWalletAccount (index, deviceName, hdPath) {
|
|
const keyring = await this.getKeyringForDevice(deviceName, hdPath)
|
|
|
|
keyring.setAccountToUnlock(index)
|
|
const oldAccounts = await this.keyringController.getAccounts()
|
|
const keyState = await this.keyringController.addNewAccount(keyring)
|
|
const newAccounts = await this.keyringController.getAccounts()
|
|
this.preferencesController.setAddresses(newAccounts)
|
|
newAccounts.forEach(address => {
|
|
if (!oldAccounts.includes(address)) {
|
|
// Set the account label to Trezor 1 / Ledger 1, etc
|
|
this.preferencesController.setAccountLabel(address, `${deviceName[0].toUpperCase()}${deviceName.slice(1)} ${parseInt(index, 10) + 1}`)
|
|
// Select the account
|
|
this.preferencesController.setSelectedAddress(address)
|
|
}
|
|
})
|
|
|
|
const { identities } = this.preferencesController.store.getState()
|
|
return { ...keyState, identities }
|
|
}
|
|
|
|
|
|
//
|
|
// Account Management
|
|
//
|
|
|
|
/**
|
|
* 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 }
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
this.networkController.resetConnection()
|
|
|
|
return selectedAddress
|
|
}
|
|
|
|
/**
|
|
* Removes an account from state / storage.
|
|
*
|
|
* @param {string[]} address A hex address
|
|
*
|
|
*/
|
|
async removeAccount (address) {
|
|
// Remove account from the preferences controller
|
|
this.preferencesController.removeAddress(address)
|
|
// Remove account from the account tracker controller
|
|
this.accountTracker.removeAccount([address])
|
|
|
|
// Remove account from the keyring
|
|
await this.keyringController.removeAccount(address)
|
|
return address
|
|
}
|
|
|
|
|
|
/**
|
|
* 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)
|
|
|
|
/**
|
|
* Called when a Dapp suggests a new tx to be signed.
|
|
* this wrapper needs to exist so we can provide a reference to
|
|
* "newUnapprovedTransaction" before "txController" is instantiated
|
|
*
|
|
* @param {Object} msgParams - The params passed to eth_sign.
|
|
* @param {Object} req - (optional) the original request, containing the origin
|
|
*/
|
|
async newUnapprovedTransaction (txParams, req) {
|
|
return await this.txController.newUnapprovedTransaction(txParams, req)
|
|
}
|
|
|
|
// 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, req) {
|
|
const promise = this.messageManager.addUnapprovedMessageAsync(msgParams, req)
|
|
this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
return promise
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
async newUnsignedPersonalMessage (msgParams, req) {
|
|
const promise = this.personalMessageManager.addUnapprovedMessageAsync(msgParams, req)
|
|
this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
return promise
|
|
}
|
|
|
|
/**
|
|
* 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, req, version) {
|
|
const promise = this.typedMessageManager.addUnapprovedMessageAsync(msgParams, req, version)
|
|
this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
return promise
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
async signTypedMessage (msgParams) {
|
|
log.info('MetaMaskController - eth_signTypedData')
|
|
const msgId = msgParams.metamaskId
|
|
const version = msgParams.version
|
|
try {
|
|
const cleanMsgParams = await this.typedMessageManager.approveMessage(msgParams)
|
|
|
|
// For some reason every version after V1 used stringified params.
|
|
if (version !== 'V1') {
|
|
// But we don't have to require that. We can stop suggesting it now:
|
|
if (typeof cleanMsgParams.data === 'string') {
|
|
cleanMsgParams.data = JSON.parse(cleanMsgParams.data)
|
|
}
|
|
}
|
|
|
|
const signature = await this.keyringController.signTypedMessage(cleanMsgParams, { version })
|
|
this.typedMessageManager.setMsgStatusSigned(msgId, signature)
|
|
return this.getState()
|
|
} catch (error) {
|
|
log.info('MetaMaskController - eth_signTypedData failed.', error)
|
|
this.typedMessageManager.errorMessage(msgId, error)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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())
|
|
}
|
|
}
|
|
|
|
//=============================================================================
|
|
// 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.
|
|
*/
|
|
async retryTransaction (txId, gasPrice) {
|
|
await this.txController.retryTransaction(txId, gasPrice)
|
|
const state = await this.getState()
|
|
return state
|
|
}
|
|
|
|
/**
|
|
* Allows a user to attempt to cancel a previously submitted transaction by creating a new
|
|
* transaction.
|
|
* @param {number} originalTxId - the id of the txMeta that you want to attempt to cancel
|
|
* @param {string=} customGasPrice - the hex value to use for the cancel transaction
|
|
* @returns {object} MetaMask state
|
|
*/
|
|
async createCancelTransaction (originalTxId, customGasPrice) {
|
|
try {
|
|
await this.txController.createCancelTransaction(originalTxId, customGasPrice)
|
|
const state = await this.getState()
|
|
return state
|
|
} catch (error) {
|
|
throw error
|
|
}
|
|
}
|
|
|
|
async createSpeedUpTransaction (originalTxId, customGasPrice) {
|
|
await this.txController.createSpeedUpTransaction(originalTxId, customGasPrice)
|
|
const state = await this.getState()
|
|
return state
|
|
}
|
|
|
|
estimateGas (estimateGasParams) {
|
|
return new Promise((resolve, reject) => {
|
|
return this.txController.txGasUtil.query.estimateGas(estimateGasParams, (err, res) => {
|
|
if (err) {
|
|
return reject(err)
|
|
}
|
|
|
|
return resolve(res)
|
|
})
|
|
})
|
|
}
|
|
|
|
//=============================================================================
|
|
// PASSWORD MANAGEMENT
|
|
//=============================================================================
|
|
|
|
/**
|
|
* Allows a user to begin the seed phrase recovery process.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
markPasswordForgotten (cb) {
|
|
this.preferencesController.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.preferencesController.setPasswordForgotten(false)
|
|
this.sendUpdate()
|
|
cb()
|
|
}
|
|
|
|
//=============================================================================
|
|
// SETUP
|
|
//=============================================================================
|
|
|
|
/**
|
|
* A runtime.MessageSender object, as provided by the browser:
|
|
* @see https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/runtime/MessageSender
|
|
* @typedef {Object} MessageSender
|
|
*/
|
|
|
|
/**
|
|
* 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 {MessageSender} sender - The sender of the messages on this stream
|
|
*/
|
|
setupUntrustedCommunication (connectionStream, sender) {
|
|
const hostname = (new URL(sender.url)).hostname
|
|
// Check if new connection is blacklisted
|
|
if (this.phishingController.test(hostname)) {
|
|
log.debug('MetaMask - sending phishing warning for', hostname)
|
|
this.sendPhishingWarning(connectionStream, hostname)
|
|
return
|
|
}
|
|
|
|
// setup multiplexing
|
|
const mux = setupMultiplex(connectionStream)
|
|
|
|
// messages between inpage and background
|
|
this.setupProviderConnection(mux.createStream('provider'), sender)
|
|
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 {MessageSender} sender - The sender of the messages on this stream
|
|
*/
|
|
setupTrustedCommunication (connectionStream, sender) {
|
|
// setup multiplexing
|
|
const mux = setupMultiplex(connectionStream)
|
|
// connect features
|
|
this.setupControllerConnection(mux.createStream('controller'))
|
|
this.setupProviderConnection(mux.createStream('provider'), sender, true)
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
// report new active controller connection
|
|
this.activeControllerConnections++
|
|
this.emit('controllerConnectionChanged', this.activeControllerConnections)
|
|
// connect dnode api to remote connection
|
|
pump(
|
|
outStream,
|
|
dnode,
|
|
outStream,
|
|
(err) => {
|
|
// report new active controller connection
|
|
this.activeControllerConnections--
|
|
this.emit('controllerConnectionChanged', this.activeControllerConnections)
|
|
// report any error
|
|
if (err) {
|
|
log.error(err)
|
|
}
|
|
}
|
|
)
|
|
dnode.on('remote', (remote) => {
|
|
// push updates to popup
|
|
const sendUpdate = (update) => remote.sendUpdate(update)
|
|
this.on('update', sendUpdate)
|
|
// remove update listener once the connection ends
|
|
dnode.on('end', () => this.removeListener('update', sendUpdate))
|
|
})
|
|
}
|
|
|
|
/**
|
|
* A method for serving our ethereum provider over a given stream.
|
|
* @param {*} outStream - The stream to provide over.
|
|
* @param {MessageSender} sender - The sender of the messages on this stream
|
|
* @param {boolean} isInternal - True if this is a connection with an internal process
|
|
*/
|
|
setupProviderConnection (outStream, sender, isInternal) {
|
|
const origin = isInternal
|
|
? 'metamask'
|
|
: (new URL(sender.url)).hostname
|
|
let extensionId
|
|
if (sender.id !== extension.runtime.id) {
|
|
extensionId = sender.id
|
|
}
|
|
let tabId
|
|
if (sender.tab && sender.tab.id) {
|
|
tabId = sender.tab.id
|
|
}
|
|
|
|
const engine = this.setupProviderEngine({ origin, location: sender.url, extensionId, tabId })
|
|
|
|
// setup connection
|
|
const providerStream = createEngineStream({ engine })
|
|
|
|
const connectionId = this.addConnection(origin, { engine })
|
|
|
|
pump(
|
|
outStream,
|
|
providerStream,
|
|
outStream,
|
|
(err) => {
|
|
// handle any middleware cleanup
|
|
engine._middleware.forEach((mid) => {
|
|
if (mid.destroy && typeof mid.destroy === 'function') {
|
|
mid.destroy()
|
|
}
|
|
})
|
|
connectionId && this.removeConnection(origin, connectionId)
|
|
if (err) {
|
|
log.error(err)
|
|
}
|
|
}
|
|
)
|
|
}
|
|
|
|
/**
|
|
* A method for creating a provider that is safely restricted for the requesting domain.
|
|
* @param {Object} options - Provider engine options
|
|
* @param {string} options.origin - The hostname of the sender
|
|
* @param {string} options.location - The full URL of the sender
|
|
* @param {extensionId} [options.extensionId] - The extension ID of the sender, if the sender is an external extension
|
|
* @param {tabId} [options.tabId] - The tab ID of the sender - if the sender is within a tab
|
|
**/
|
|
setupProviderEngine ({ origin, location, extensionId, tabId }) {
|
|
// setup json rpc engine stack
|
|
const engine = new RpcEngine()
|
|
const provider = this.provider
|
|
const blockTracker = this.blockTracker
|
|
|
|
// create filter polyfill middleware
|
|
const filterMiddleware = createFilterMiddleware({ provider, blockTracker })
|
|
|
|
// create subscription polyfill middleware
|
|
const subscriptionManager = createSubscriptionManager({ provider, blockTracker })
|
|
subscriptionManager.events.on('notification', (message) => engine.emit('notification', message))
|
|
|
|
// append origin to each request
|
|
engine.push(createOriginMiddleware({ origin }))
|
|
// logging
|
|
engine.push(createLoggerMiddleware({ origin }))
|
|
engine.push(createOnboardingMiddleware({
|
|
location,
|
|
tabId,
|
|
registerOnboarding: this.onboardingController.registerOnboarding,
|
|
}))
|
|
// filter and subscription polyfills
|
|
engine.push(filterMiddleware)
|
|
engine.push(subscriptionManager.middleware)
|
|
// permissions
|
|
engine.push(this.permissionsController.createMiddleware({ origin, extensionId }))
|
|
// watch asset
|
|
engine.push(this.preferencesController.requestWatchAsset.bind(this.preferencesController))
|
|
// forward to metamask primary provider
|
|
engine.push(providerAsMiddleware(provider))
|
|
return engine
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
const configStore = this.createPublicConfigStore()
|
|
const configStream = asStream(configStore)
|
|
|
|
pump(
|
|
configStream,
|
|
outStream,
|
|
(err) => {
|
|
configStore.destroy()
|
|
configStream.destroy()
|
|
if (err) {
|
|
log.error(err)
|
|
}
|
|
}
|
|
)
|
|
}
|
|
|
|
/**
|
|
* Adds a reference to a connection by origin. Ignores the 'metamask' origin.
|
|
* Caller must ensure that the returned id is stored such that the reference
|
|
* can be deleted later.
|
|
*
|
|
* @param {string} origin - The connection's origin string.
|
|
* @param {Object} options - Data associated with the connection
|
|
* @param {Object} options.engine - The connection's JSON Rpc Engine
|
|
* @returns {string} - The connection's id (so that it can be deleted later)
|
|
*/
|
|
addConnection (origin, { engine }) {
|
|
|
|
if (origin === 'metamask') {
|
|
return null
|
|
}
|
|
|
|
if (!this.connections[origin]) {
|
|
this.connections[origin] = {}
|
|
}
|
|
|
|
const id = nanoid()
|
|
this.connections[origin][id] = {
|
|
engine,
|
|
}
|
|
|
|
return id
|
|
}
|
|
|
|
/**
|
|
* Deletes a reference to a connection, by origin and id.
|
|
* Ignores unknown origins.
|
|
*
|
|
* @param {string} origin - The connection's origin string.
|
|
* @param {string} id - The connection's id, as returned from addConnection.
|
|
*/
|
|
removeConnection (origin, id) {
|
|
|
|
const connections = this.connections[origin]
|
|
if (!connections) {
|
|
return
|
|
}
|
|
|
|
delete connections[id]
|
|
|
|
if (Object.keys(connections.length === 0)) {
|
|
delete this.connections[origin]
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Causes the RPC engines associated with the connections to the given origin
|
|
* to emit a notification event with the given payload.
|
|
* Does nothing if the extension is locked or the origin is unknown.
|
|
*
|
|
* @param {string} origin - The connection's origin string.
|
|
* @param {any} payload - The event payload.
|
|
*/
|
|
notifyConnections (origin, payload) {
|
|
|
|
const { isUnlocked } = this.getState()
|
|
const connections = this.connections[origin]
|
|
if (!isUnlocked || !connections) {
|
|
return
|
|
}
|
|
|
|
Object.values(connections).forEach(conn => {
|
|
conn.engine && conn.engine.emit('notification', payload)
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Causes the RPC engines associated with all connections to emit a
|
|
* notification event with the given payload.
|
|
* Does nothing if the extension is locked.
|
|
*
|
|
* @param {any} payload - The event payload.
|
|
*/
|
|
notifyAllConnections (payload) {
|
|
|
|
const { isUnlocked } = this.getState()
|
|
if (!isUnlocked) {
|
|
return
|
|
}
|
|
|
|
Object.values(this.connections).forEach(origin => {
|
|
Object.values(origin).forEach(conn => {
|
|
conn.engine && conn.engine.emit('notification', payload)
|
|
})
|
|
})
|
|
}
|
|
|
|
// handlers
|
|
|
|
/**
|
|
* Handle a KeyringController update
|
|
* @param {object} state the KC state
|
|
* @return {Promise<void>}
|
|
* @private
|
|
*/
|
|
async _onKeyringControllerUpdate (state) {
|
|
const { isUnlocked, keyrings } = state
|
|
const addresses = keyrings.reduce((acc, { accounts }) => acc.concat(accounts), [])
|
|
|
|
if (!addresses.length) {
|
|
return
|
|
}
|
|
|
|
// Ensure preferences + identities controller know about all addresses
|
|
this.preferencesController.addAddresses(addresses)
|
|
this.accountTracker.syncWithAddresses(addresses)
|
|
|
|
const wasLocked = !isUnlocked
|
|
if (wasLocked) {
|
|
const oldSelectedAddress = this.preferencesController.getSelectedAddress()
|
|
if (!addresses.includes(oldSelectedAddress)) {
|
|
const address = addresses[0]
|
|
await this.preferencesController.setSelectedAddress(address)
|
|
}
|
|
}
|
|
}
|
|
|
|
// misc
|
|
|
|
/**
|
|
* A method for emitting the full MetaMask state to all registered listeners.
|
|
* @private
|
|
*/
|
|
privateSendUpdate () {
|
|
this.emit('update', this.getState())
|
|
}
|
|
|
|
//=============================================================================
|
|
// MISCELLANEOUS
|
|
//=============================================================================
|
|
|
|
/**
|
|
* 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(65, lowestPrices)
|
|
const percentileNumBn = new BN(percentileNum)
|
|
return '0x' + percentileNumBn.mul(GWEI_BN).toString(16)
|
|
}
|
|
|
|
/**
|
|
* Returns the nonce that will be associated with a transaction once approved
|
|
* @param address {string} - The hex string address for the transaction
|
|
* @returns Promise<number>
|
|
*/
|
|
async getPendingNonce (address) {
|
|
const { nonceDetails, releaseLock } = await this.txController.nonceTracker.getNonceLock(address)
|
|
const pendingNonce = nonceDetails.params.highestSuggested
|
|
|
|
releaseLock()
|
|
return pendingNonce
|
|
}
|
|
|
|
/**
|
|
* Returns the next nonce according to the nonce-tracker
|
|
* @param address {string} - The hex string address for the transaction
|
|
* @returns Promise<number>
|
|
*/
|
|
async getNextNonce (address) {
|
|
let nonceLock
|
|
try {
|
|
nonceLock = await this.txController.nonceTracker.getNonceLock(address)
|
|
} finally {
|
|
nonceLock.releaseLock()
|
|
}
|
|
return nonceLock.nextNonce
|
|
}
|
|
|
|
//=============================================================================
|
|
// 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) {
|
|
const { ticker } = this.networkController.getNetworkConfig()
|
|
try {
|
|
const currencyState = {
|
|
nativeCurrency: ticker,
|
|
currentCurrency: currencyCode,
|
|
}
|
|
this.currencyRateController.update(currencyState)
|
|
this.currencyRateController.configure(currencyState)
|
|
cb(null, this.currencyRateController.state)
|
|
} 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 })
|
|
}
|
|
}
|
|
|
|
// network
|
|
/**
|
|
* A method for selecting a custom URL for an ethereum RPC provider and updating it
|
|
* @param {string} rpcUrl - A URL for a valid Ethereum RPC API.
|
|
* @param {number} chainId - The chainId of the selected network.
|
|
* @param {string} ticker - The ticker symbol of the selected network.
|
|
* @param {string} nickname - Optional nickname of the selected network.
|
|
* @returns {Promise<String>} - The RPC Target URL confirmed.
|
|
*/
|
|
|
|
async updateAndSetCustomRpc (rpcUrl, chainId, ticker = 'ETH', nickname, rpcPrefs) {
|
|
await this.preferencesController.updateRpc({ rpcUrl, chainId, ticker, nickname, rpcPrefs })
|
|
this.networkController.setRpcTarget(rpcUrl, chainId, ticker, nickname, rpcPrefs)
|
|
return rpcUrl
|
|
}
|
|
|
|
|
|
/**
|
|
* A method for selecting a custom URL for an ethereum RPC provider.
|
|
* @param {string} rpcTarget - A URL for a valid Ethereum RPC API.
|
|
* @param {number} chainId - The chainId of the selected network.
|
|
* @param {string} ticker - The ticker symbol of the selected network.
|
|
* @param {string} nickname - Optional nickname of the selected network.
|
|
* @returns {Promise<String>} - The RPC Target URL confirmed.
|
|
*/
|
|
async setCustomRpc (rpcTarget, chainId, ticker = 'ETH', nickname = '', rpcPrefs = {}) {
|
|
const frequentRpcListDetail = this.preferencesController.getFrequentRpcListDetail()
|
|
const rpcSettings = frequentRpcListDetail.find((rpc) => rpcTarget === rpc.rpcUrl)
|
|
|
|
if (rpcSettings) {
|
|
this.networkController.setRpcTarget(rpcSettings.rpcUrl, rpcSettings.chainId, rpcSettings.ticker, rpcSettings.nickname, rpcPrefs)
|
|
} else {
|
|
this.networkController.setRpcTarget(rpcTarget, chainId, ticker, nickname, rpcPrefs)
|
|
await this.preferencesController.addToFrequentRpcList(rpcTarget, chainId, ticker, nickname, rpcPrefs)
|
|
}
|
|
return rpcTarget
|
|
}
|
|
|
|
/**
|
|
* A method for deleting a selected custom URL.
|
|
* @param {string} rpcTarget - A RPC URL to delete.
|
|
*/
|
|
async delCustomRpc (rpcTarget) {
|
|
await this.preferencesController.removeFromFrequentRpcList(rpcTarget)
|
|
}
|
|
|
|
async initializeThreeBox () {
|
|
await this.threeBoxController.init()
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets whether or not to use the nonce field.
|
|
* @param {boolean} val - True for nonce field, false for not nonce field.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
setUseNonceField (val, cb) {
|
|
try {
|
|
this.preferencesController.setUseNonceField(val)
|
|
cb(null)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets the IPFS gateway to use for ENS content resolution.
|
|
* @param {string} val - the host of the gateway to set
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
setIpfsGateway (val, cb) {
|
|
try {
|
|
this.preferencesController.setIpfsGateway(val)
|
|
cb(null)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets whether or not the user will have usage data tracked with MetaMetrics
|
|
* @param {boolean} bool - True for users that wish to opt-in, false for users that wish to remain out.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
setParticipateInMetaMetrics (bool, cb) {
|
|
try {
|
|
const metaMetricsId = this.preferencesController.setParticipateInMetaMetrics(bool)
|
|
cb(null, metaMetricsId)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
setMetaMetricsSendCount (val, cb) {
|
|
try {
|
|
this.preferencesController.setMetaMetricsSendCount(val)
|
|
cb(null)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets the type of first time flow the user wishes to follow: create or import
|
|
* @param {String} type - Indicates the type of first time flow the user wishes to follow
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
setFirstTimeFlowType (type, cb) {
|
|
try {
|
|
this.preferencesController.setFirstTimeFlowType(type)
|
|
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 {
|
|
const direction = this.preferencesController.setCurrentLocale(key)
|
|
cb(null, direction)
|
|
} 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(),
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO: Replace isClientOpen methods with `controllerConnectionChanged` events.
|
|
/**
|
|
* 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
|
|
this.detectTokensController.isOpen = 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
|
|
}
|
|
|
|
/**
|
|
* Creates RPC engine middleware for processing eth_signTypedData requests
|
|
*
|
|
* @param {Object} req - request object
|
|
* @param {Object} res - response object
|
|
* @param {Function} - next
|
|
* @param {Function} - end
|
|
*/
|
|
|
|
/**
|
|
* Adds a domain to the PhishingController whitelist
|
|
* @param {string} hostname the domain to whitelist
|
|
*/
|
|
whitelistPhishingDomain (hostname) {
|
|
return this.phishingController.bypass(hostname)
|
|
}
|
|
|
|
/**
|
|
* Locks MetaMask
|
|
*/
|
|
setLocked () {
|
|
return this.keyringController.setLocked()
|
|
}
|
|
}
|
|
|