mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-11-23 18:41:38 +01:00
666 lines
20 KiB
JavaScript
666 lines
20 KiB
JavaScript
const EventEmitter = require('events')
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const extend = require('xtend')
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const promiseToCallback = require('promise-to-callback')
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const pipe = require('pump')
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const Dnode = require('dnode')
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const ObservableStore = require('obs-store')
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const storeTransform = require('obs-store/lib/transform')
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const EthStore = require('./lib/eth-store')
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const EthQuery = require('eth-query')
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const streamIntoProvider = require('web3-stream-provider/handler')
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const MetaMaskProvider = require('web3-provider-engine/zero.js')
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const setupMultiplex = require('./lib/stream-utils.js').setupMultiplex
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const KeyringController = require('./keyring-controller')
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const PreferencesController = require('./lib/controllers/preferences')
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const NoticeController = require('./notice-controller')
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const MessageManager = require('./lib/message-manager')
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const TxManager = require('./transaction-manager')
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const ConfigManager = require('./lib/config-manager')
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const extension = require('./lib/extension')
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const autoFaucet = require('./lib/auto-faucet')
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const nodeify = require('./lib/nodeify')
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const IdStoreMigrator = require('./lib/idStore-migrator')
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const accountImporter = require('./account-import-strategies')
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const version = require('../manifest.json').version
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module.exports = class MetamaskController extends EventEmitter {
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constructor (opts) {
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super()
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this.opts = opts
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let initState = opts.initState || {}
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// observable state store
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this.store = new ObservableStore(initState)
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// network store
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this.networkStore = new ObservableStore({ network: 'loading' })
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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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this.configManager.updateConversionRate()
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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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})
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// rpc provider
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this.provider = this.initializeProvider(opts)
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this.provider.on('block', this.logBlock.bind(this))
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this.provider.on('error', this.verifyNetwork.bind(this))
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// eth data query tools
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this.ethQuery = new EthQuery(this.provider)
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this.ethStore = new EthStore({
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provider: this.provider,
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blockTracker: this.provider,
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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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ethStore: this.ethStore,
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getNetwork: this.getNetworkState.bind(this),
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})
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this.keyringController.on('newAccount', (address) => {
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this.preferencesController.setSelectedAddress(address)
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autoFaucet(address)
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})
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// tx mgmt
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this.txManager = new TxManager({
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initState: initState.TransactionManager,
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networkStore: this.networkStore,
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preferencesStore: this.preferencesController.store,
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txHistoryLimit: 40,
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getNetwork: this.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.provider,
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})
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// notices
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this.noticeController = new NoticeController({
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initState: initState.NoticeController,
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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.lookupNetwork()
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this.messageManager = new MessageManager()
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this.publicConfigStore = this.initPublicConfigStore()
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this.checkTOSChange()
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this.scheduleConversionInterval()
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// TEMPORARY UNTIL FULL DEPRECATION:
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this.idStoreMigrator = new IdStoreMigrator({
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configManager: this.configManager,
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})
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// manual disk state subscriptions
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this.keyringController.store.subscribe((state) => {
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this.store.updateState({ KeyringController: state })
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})
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this.preferencesController.store.subscribe((state) => {
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this.store.updateState({ PreferencesController: state })
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})
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this.txManager.store.subscribe((state) => {
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this.store.updateState({ TransactionManager: state })
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})
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// manual mem state subscriptions
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this.ethStore.subscribe(this.sendUpdate.bind(this))
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this.networkStore.subscribe(this.sendUpdate.bind(this))
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this.keyringController.memStore.subscribe(this.sendUpdate.bind(this))
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this.txManager.memStore.subscribe(this.sendUpdate.bind(this))
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this.messageManager.memStore.subscribe(this.sendUpdate.bind(this))
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}
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//
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// Constructor helpers
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//
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initializeProvider () {
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let provider = MetaMaskProvider({
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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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rpcUrl: this.configManager.getCurrentRpcAddress(),
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// account mgmt
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getAccounts: (cb) => {
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let selectedAddress = this.preferencesController.getSelectedAddress()
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let result = selectedAddress ? [selectedAddress] : []
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cb(null, result)
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},
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// tx signing
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processTransaction: (txParams, cb) => this.newUnapprovedTransaction(txParams, cb),
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// msg signing
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processMessage: this.newUnsignedMessage.bind(this),
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})
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return provider
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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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// sync publicConfigStore with transform
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pipe(
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this.store,
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storeTransform(selectPublicState),
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publicConfigStore
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)
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function selectPublicState(state) {
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const result = { selectedAddress: undefined }
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try {
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result.selectedAddress = state.PreferencesController.selectedAddress
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} catch (_) {}
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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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// State Management
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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 extend(
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{
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isInitialized,
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},
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this.networkStore.getState(),
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this.ethStore.getState(),
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this.txManager.memStore.getState(),
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this.messageManager.memStore.getState(),
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this.keyringController.memStore.getState(),
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this.preferencesController.store.getState(),
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this.noticeController.memStore.getState(),
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// config manager
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this.configManager.getConfig(),
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{
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shapeShiftTxList: this.configManager.getShapeShiftTxList(),
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lostAccounts: this.configManager.getLostAccounts(),
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currentFiat: this.configManager.getCurrentFiat(),
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conversionRate: this.configManager.getConversionRate(),
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conversionDate: this.configManager.getConversionDate(),
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isDisclaimerConfirmed: this.configManager.getConfirmedDisclaimer(),
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seedWords: this.configManager.getSeedWords(),
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}
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)
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}
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//
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// Remote Features
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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 txManager = this.txManager
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const messageManager = this.messageManager
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const noticeController = this.noticeController
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return {
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// etc
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getState: (cb) => cb(null, this.getState()),
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setRpcTarget: this.setRpcTarget.bind(this),
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setProviderType: this.setProviderType.bind(this),
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useEtherscanProvider: this.useEtherscanProvider.bind(this),
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agreeToDisclaimer: this.agreeToDisclaimer.bind(this),
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resetDisclaimer: this.resetDisclaimer.bind(this),
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setCurrentFiat: this.setCurrentFiat.bind(this),
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setTOSHash: this.setTOSHash.bind(this),
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checkTOSChange: this.checkTOSChange.bind(this),
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setGasMultiplier: this.setGasMultiplier.bind(this),
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markAccountsFound: this.markAccountsFound.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: this.addNewAccount.bind(this),
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placeSeedWords: this.placeSeedWords.bind(this),
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clearSeedWordCache: this.clearSeedWordCache.bind(this),
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importAccountWithStrategy: this.importAccountWithStrategy.bind(this),
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// vault management
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submitPassword: this.submitPassword.bind(this),
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// PreferencesController
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setSelectedAddress: nodeify(preferencesController.setSelectedAddress).bind(preferencesController),
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// KeyringController
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setLocked: nodeify(keyringController.setLocked).bind(keyringController),
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createNewVaultAndKeychain: nodeify(keyringController.createNewVaultAndKeychain).bind(keyringController),
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createNewVaultAndRestore: nodeify(keyringController.createNewVaultAndRestore).bind(keyringController),
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addNewKeyring: nodeify(keyringController.addNewKeyring).bind(keyringController),
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saveAccountLabel: nodeify(keyringController.saveAccountLabel).bind(keyringController),
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exportAccount: nodeify(keyringController.exportAccount).bind(keyringController),
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// txManager
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approveTransaction: txManager.approveTransaction.bind(txManager),
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cancelTransaction: txManager.cancelTransaction.bind(txManager),
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// messageManager
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signMessage: this.signMessage.bind(this),
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cancelMessage: messageManager.rejectMsg.bind(messageManager),
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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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setupUntrustedCommunication (connectionStream, originDomain) {
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// setup multiplexing
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var mx = setupMultiplex(connectionStream)
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// connect features
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this.setupProviderConnection(mx.createStream('provider'), originDomain)
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this.setupPublicConfig(mx.createStream('publicConfig'))
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}
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setupTrustedCommunication (connectionStream, originDomain) {
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// setup multiplexing
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var mx = setupMultiplex(connectionStream)
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// connect features
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this.setupControllerConnection(mx.createStream('controller'))
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this.setupProviderConnection(mx.createStream('provider'), originDomain)
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}
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setupControllerConnection (outStream) {
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const api = this.getApi()
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const dnode = Dnode(api)
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outStream.pipe(dnode).pipe(outStream)
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dnode.on('remote', (remote) => {
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// push updates to popup
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const sendUpdate = remote.sendUpdate.bind(remote)
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this.on('update', sendUpdate)
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})
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}
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setupProviderConnection (outStream, originDomain) {
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streamIntoProvider(outStream, this.provider, logger)
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function logger (err, request, response) {
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if (err) return console.error(err)
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if (response.error) {
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console.error('Error in RPC response:\n', response.error)
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}
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if (request.isMetamaskInternal) return
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if (global.METAMASK_DEBUG) {
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console.log(`RPC (${originDomain}):`, request, '->', response)
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}
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}
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}
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setupPublicConfig (outStream) {
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pipe(
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this.publicConfigStore,
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outStream
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)
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}
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sendUpdate () {
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this.emit('update', this.getState())
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}
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//
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// Vault Management
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//
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submitPassword (password, cb) {
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this.migrateOldVaultIfAny(password)
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.then(this.keyringController.submitPassword.bind(this.keyringController, password))
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.then((newState) => { cb(null, newState) })
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.catch((reason) => { cb(reason) })
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}
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//
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// Opinionated Keyring Management
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//
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addNewAccount (cb) {
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const primaryKeyring = this.keyringController.getKeyringsByType('HD Key Tree')[0]
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if (!primaryKeyring) return cb(new Error('MetamaskController - No HD Key Tree found'))
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promiseToCallback(this.keyringController.addNewAccount(primaryKeyring))(cb)
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}
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// Adds the current vault's seed words to the UI's state tree.
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//
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// Used when creating a first vault, to allow confirmation.
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// Also used when revealing the seed words in the confirmation view.
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placeSeedWords (cb) {
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const primaryKeyring = this.keyringController.getKeyringsByType('HD Key Tree')[0]
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if (!primaryKeyring) return cb(new Error('MetamaskController - No HD Key Tree found'))
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primaryKeyring.serialize()
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.then((serialized) => {
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const seedWords = serialized.mnemonic
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this.configManager.setSeedWords(seedWords)
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cb()
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})
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}
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// ClearSeedWordCache
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//
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// Removes the primary account's seed words from the UI's state tree,
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// ensuring they are only ever available in the background process.
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clearSeedWordCache (cb) {
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this.configManager.setSeedWords(null)
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cb(null, this.preferencesController.getSelectedAddress())
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}
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importAccountWithStrategy (strategy, args, cb) {
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accountImporter.importAccount(strategy, args)
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.then((privateKey) => {
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return this.keyringController.addNewKeyring('Simple Key Pair', [ privateKey ])
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})
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.then(keyring => keyring.getAccounts())
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.then((accounts) => this.preferencesController.setSelectedAddress(accounts[0]))
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.then(() => { cb(null, this.keyringController.fullUpdate()) })
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.catch((reason) => { cb(reason) })
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}
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//
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// Identity Management
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//
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newUnapprovedTransaction (txParams, cb) {
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const self = this
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self.txManager.addUnapprovedTransaction(txParams, (err, txMeta) => {
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if (err) return cb(err)
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self.sendUpdate()
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self.opts.showUnapprovedTx(txMeta)
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// listen for tx completion (success, fail)
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self.txManager.once(`${txMeta.id}:finished`, (status) => {
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switch (status) {
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case 'submitted':
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return cb(null, txMeta.hash)
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case 'rejected':
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return cb(new Error('MetaMask Tx Signature: User denied transaction signature.'))
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default:
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return cb(new Error(`MetaMask Tx Signature: Unknown problem: ${JSON.stringify(txMeta.txParams)}`))
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}
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})
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})
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}
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newUnsignedMessage (msgParams, cb) {
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let msgId = this.messageManager.addUnapprovedMessage(msgParams)
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this.sendUpdate()
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this.opts.showUnconfirmedMessage()
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this.messageManager.once(`${msgId}:finished`, (data) => {
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switch (data.status) {
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case 'approved':
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return cb(null, data.rawSig)
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case 'rejected':
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return cb(new Error('MetaMask Message Signature: User denied transaction signature.'))
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default:
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return cb(new Error(`MetaMask Message Signature: Unknown problem: ${JSON.stringify(msgParams)}`))
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}
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})
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}
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signMessage (msgParams, cb) {
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const msgId = msgParams.metamaskId
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// sets the status op the message to 'approved'
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// and removes the metamaskId for signing
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return this.messageManager.approveMessage(msgParams)
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.then((cleanMsgParams) => {
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// signs the message
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return this.keyringController.signMessage(cleanMsgParams)
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})
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.then((rawSig) => {
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// tells the listener that the message has been signed
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// and can be returned to the dapp
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this.messageManager.brodcastMessage(rawSig, msgId, 'approved')
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}).then(() => {
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cb()
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}).catch((err) => cb(err))
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}
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markAccountsFound (cb) {
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this.configManager.setLostAccounts([])
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this.sendUpdate()
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cb(null, this.getState())
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}
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// Migrate Old Vault If Any
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// @string password
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//
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// returns Promise()
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//
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// Temporary step used when logging in.
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// Checks if old style (pre-3.0.0) Metamask Vault exists.
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// If so, persists that vault in the new vault format
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// with the provided password, so the other unlock steps
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// may be completed without interruption.
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migrateOldVaultIfAny (password) {
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if (!this.checkIfShouldMigrate()) {
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return Promise.resolve(password)
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}
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const keyringController = this.keyringController
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return this.idStoreMigrator.migratedVaultForPassword(password)
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.then(this.restoreOldVaultAccounts.bind(this))
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.then(this.restoreOldLostAccounts.bind(this))
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.then(keyringController.persistAllKeyrings.bind(keyringController, password))
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.then(() => password)
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}
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checkIfShouldMigrate() {
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return !!this.configManager.getWallet() && !this.configManager.getVault()
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}
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restoreOldVaultAccounts(migratorOutput) {
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const { serialized } = migratorOutput
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return this.keyringController.restoreKeyring(serialized)
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.then(() => migratorOutput)
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}
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restoreOldLostAccounts(migratorOutput) {
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const { lostAccounts } = migratorOutput
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if (lostAccounts) {
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this.configManager.setLostAccounts(lostAccounts.map(acct => acct.address))
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return this.importLostAccounts(migratorOutput)
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}
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return Promise.resolve(migratorOutput)
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}
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// IMPORT LOST ACCOUNTS
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// @Object with key lostAccounts: @Array accounts <{ address, privateKey }>
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// Uses the array's private keys to create a new Simple Key Pair keychain
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// and add it to the keyring controller.
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importLostAccounts ({ lostAccounts }) {
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const privKeys = lostAccounts.map(acct => acct.privateKey)
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return this.keyringController.restoreKeyring({
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type: 'Simple Key Pair',
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data: privKeys,
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})
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}
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//
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// disclaimer
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//
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agreeToDisclaimer (cb) {
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try {
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this.configManager.setConfirmedDisclaimer(true)
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cb()
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} catch (err) {
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cb(err)
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}
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}
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resetDisclaimer () {
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try {
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this.configManager.setConfirmedDisclaimer(false)
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} catch (e) {
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console.error(e)
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}
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}
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setTOSHash (hash) {
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try {
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this.configManager.setTOSHash(hash)
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} catch (err) {
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console.error('Error in setting terms of service hash.')
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}
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}
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checkTOSChange () {
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try {
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const storedHash = this.configManager.getTOSHash() || 0
|
|
if (storedHash !== global.TOS_HASH) {
|
|
this.resetDisclaimer()
|
|
this.setTOSHash(global.TOS_HASH)
|
|
}
|
|
} catch (err) {
|
|
console.error('Error in checking TOS change.')
|
|
}
|
|
}
|
|
|
|
//
|
|
// config
|
|
//
|
|
|
|
// Log blocks
|
|
logBlock (block) {
|
|
if (global.METAMASK_DEBUG) {
|
|
console.log(`BLOCK CHANGED: #${block.number.toString('hex')} 0x${block.hash.toString('hex')}`)
|
|
}
|
|
this.verifyNetwork()
|
|
}
|
|
|
|
setCurrentFiat (fiat, cb) {
|
|
try {
|
|
this.configManager.setCurrentFiat(fiat)
|
|
this.configManager.updateConversionRate()
|
|
this.scheduleConversionInterval()
|
|
const data = {
|
|
conversionRate: this.configManager.getConversionRate(),
|
|
currentFiat: this.configManager.getCurrentFiat(),
|
|
conversionDate: this.configManager.getConversionDate(),
|
|
}
|
|
cb(data)
|
|
} catch (err) {
|
|
cb(null, err)
|
|
}
|
|
}
|
|
|
|
scheduleConversionInterval () {
|
|
if (this.conversionInterval) {
|
|
clearInterval(this.conversionInterval)
|
|
}
|
|
this.conversionInterval = setInterval(() => {
|
|
this.configManager.updateConversionRate()
|
|
}, 300000)
|
|
}
|
|
|
|
buyEth (address, amount) {
|
|
if (!amount) amount = '5'
|
|
|
|
const network = this.getNetworkState()
|
|
let url
|
|
|
|
switch (network) {
|
|
case '1':
|
|
url = `https://buy.coinbase.com/?code=9ec56d01-7e81-5017-930c-513daa27bb6a&amount=${amount}&address=${address}&crypto_currency=ETH`
|
|
break
|
|
|
|
case '3':
|
|
url = 'https://faucet.metamask.io/'
|
|
break
|
|
}
|
|
|
|
if (url) extension.tabs.create({ url })
|
|
}
|
|
|
|
createShapeShiftTx (depositAddress, depositType) {
|
|
this.configManager.createShapeShiftTx(depositAddress, depositType)
|
|
}
|
|
|
|
setGasMultiplier (gasMultiplier, cb) {
|
|
try {
|
|
this.txManager.setGasMultiplier(gasMultiplier)
|
|
cb()
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
//
|
|
// network
|
|
//
|
|
|
|
verifyNetwork () {
|
|
// Check network when restoring connectivity:
|
|
if (this.isNetworkLoading()) this.lookupNetwork()
|
|
}
|
|
|
|
setRpcTarget (rpcTarget) {
|
|
this.configManager.setRpcTarget(rpcTarget)
|
|
extension.runtime.reload()
|
|
this.lookupNetwork()
|
|
}
|
|
|
|
setProviderType (type) {
|
|
this.configManager.setProviderType(type)
|
|
extension.runtime.reload()
|
|
this.lookupNetwork()
|
|
}
|
|
|
|
useEtherscanProvider () {
|
|
this.configManager.useEtherscanProvider()
|
|
extension.runtime.reload()
|
|
}
|
|
|
|
getNetworkState () {
|
|
return this.networkStore.getState().network
|
|
}
|
|
|
|
setNetworkState (network) {
|
|
return this.networkStore.updateState({ network })
|
|
}
|
|
|
|
isNetworkLoading () {
|
|
return this.getNetworkState() === 'loading'
|
|
}
|
|
|
|
lookupNetwork (err) {
|
|
if (err) {
|
|
this.setNetworkState('loading')
|
|
}
|
|
|
|
this.ethQuery.sendAsync({ method: 'net_version' }, (err, network) => {
|
|
if (err) {
|
|
this.setNetworkState('loading')
|
|
return
|
|
}
|
|
if (global.METAMASK_DEBUG) {
|
|
console.log('web3.getNetwork returned ' + network)
|
|
}
|
|
this.setNetworkState(network)
|
|
})
|
|
}
|
|
|
|
}
|