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703 lines
24 KiB
703 lines
24 KiB
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 pump = require('pump')
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const Dnode = require('dnode')
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const ObservableStore = require('obs-store')
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const AccountTracker = require('./lib/account-tracker')
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const EthQuery = require('eth-query')
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const RpcEngine = require('json-rpc-engine')
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const debounce = require('debounce')
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const createEngineStream = require('json-rpc-middleware-stream/engineStream')
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const createFilterMiddleware = require('eth-json-rpc-filters')
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const createOriginMiddleware = require('./lib/createOriginMiddleware')
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const createLoggerMiddleware = require('./lib/createLoggerMiddleware')
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const createProviderMiddleware = require('./lib/createProviderMiddleware')
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const setupMultiplex = require('./lib/stream-utils.js').setupMultiplex
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const KeyringController = require('./keyring-controller')
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const NetworkController = require('./controllers/network')
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const PreferencesController = require('./controllers/preferences')
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const CurrencyController = require('./controllers/currency')
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const NoticeController = require('./notice-controller')
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const ShapeShiftController = require('./controllers/shapeshift')
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const AddressBookController = require('./controllers/address-book')
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const InfuraController = require('./controllers/infura')
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const BlacklistController = require('./controllers/blacklist')
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const MessageManager = require('./lib/message-manager')
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const PersonalMessageManager = require('./lib/personal-message-manager')
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const TransactionController = require('./controllers/transactions')
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const BalancesController = require('./controllers/computed-balances')
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const ConfigManager = require('./lib/config-manager')
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const nodeify = require('./lib/nodeify')
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const accountImporter = require('./account-import-strategies')
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const getBuyEthUrl = require('./lib/buy-eth-url')
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const 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.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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// platform-specific api
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this.platform = opts.platform
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// observable state store
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this.store = new ObservableStore(initState)
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// network store
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this.networkController = new NetworkController(initState.NetworkController)
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// config manager
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this.configManager = new ConfigManager({
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store: this.store,
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})
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// preferences controller
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this.preferencesController = new PreferencesController({
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initState: initState.PreferencesController,
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})
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// currency controller
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this.currencyController = new CurrencyController({
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initState: initState.CurrencyController,
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})
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this.currencyController.updateConversionRate()
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this.currencyController.scheduleConversionInterval()
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// infura controller
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this.infuraController = new InfuraController({
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initState: initState.InfuraController,
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})
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this.infuraController.scheduleInfuraNetworkCheck()
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this.blacklistController = new BlacklistController({
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initState: initState.BlacklistController,
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})
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this.blacklistController.scheduleUpdates()
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// rpc provider
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this.provider = this.initializeProvider()
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this.blockTracker = this.provider
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// eth data query tools
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this.ethQuery = new EthQuery(this.provider)
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this.accountTracker = new AccountTracker({
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provider: this.provider,
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blockTracker: this.blockTracker,
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})
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// key mgmt
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this.keyringController = new KeyringController({
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initState: initState.KeyringController,
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accountTracker: this.accountTracker,
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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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// 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.provider,
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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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this.accountTracker.addAccount(address)
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})
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this.keyringController.on('removedAccount', (address) => {
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this.accountTracker.removeAccount(address)
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})
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// address book controller
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this.addressBookController = new AddressBookController({
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initState: initState.AddressBookController,
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}, this.keyringController)
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// tx mgmt
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this.txController = new TransactionController({
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initState: initState.TransactionController || initState.TransactionManager,
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networkStore: this.networkController.networkStore,
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preferencesStore: this.preferencesController.store,
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txHistoryLimit: 40,
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getNetwork: this.networkController.getNetworkState.bind(this),
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signTransaction: this.keyringController.signTransaction.bind(this.keyringController),
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provider: this.provider,
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blockTracker: this.blockTracker,
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ethQuery: this.ethQuery,
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accountTracker: this.accountTracker,
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})
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this.txController.on('newUnaprovedTx', opts.showUnapprovedTx.bind(opts))
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// computed balances (accounting for pending transactions)
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this.balancesController = new BalancesController({
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accountTracker: this.accountTracker,
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txController: this.txController,
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blockTracker: this.blockTracker,
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})
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this.networkController.on('networkDidChange', () => {
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this.balancesController.updateAllBalances()
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})
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this.balancesController.updateAllBalances()
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// notices
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this.noticeController = new NoticeController({
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initState: initState.NoticeController,
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})
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this.noticeController.updateNoticesList()
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// to be uncommented when retrieving notices from a remote server.
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// this.noticeController.startPolling()
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this.shapeshiftController = new ShapeShiftController({
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initState: initState.ShapeShiftController,
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})
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this.networkController.lookupNetwork()
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this.messageManager = new MessageManager()
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this.personalMessageManager = new PersonalMessageManager()
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this.publicConfigStore = this.initPublicConfigStore()
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// manual disk state subscriptions
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this.txController.store.subscribe((state) => {
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this.store.updateState({ TransactionController: state })
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})
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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.addressBookController.store.subscribe((state) => {
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this.store.updateState({ AddressBookController: state })
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})
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this.currencyController.store.subscribe((state) => {
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this.store.updateState({ CurrencyController: state })
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})
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this.noticeController.store.subscribe((state) => {
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this.store.updateState({ NoticeController: state })
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})
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this.shapeshiftController.store.subscribe((state) => {
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this.store.updateState({ ShapeShiftController: state })
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})
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this.networkController.store.subscribe((state) => {
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this.store.updateState({ NetworkController: state })
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})
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this.blacklistController.store.subscribe((state) => {
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this.store.updateState({ BlacklistController: state })
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})
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this.infuraController.store.subscribe((state) => {
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this.store.updateState({ InfuraController: state })
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})
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// manual mem state subscriptions
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this.networkController.store.subscribe(this.sendUpdate.bind(this))
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this.accountTracker.store.subscribe(this.sendUpdate.bind(this))
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this.txController.memStore.subscribe(this.sendUpdate.bind(this))
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this.balancesController.store.subscribe(this.sendUpdate.bind(this))
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this.messageManager.memStore.subscribe(this.sendUpdate.bind(this))
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this.personalMessageManager.memStore.subscribe(this.sendUpdate.bind(this))
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this.keyringController.memStore.subscribe(this.sendUpdate.bind(this))
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this.preferencesController.store.subscribe(this.sendUpdate.bind(this))
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this.addressBookController.store.subscribe(this.sendUpdate.bind(this))
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this.currencyController.store.subscribe(this.sendUpdate.bind(this))
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this.noticeController.memStore.subscribe(this.sendUpdate.bind(this))
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this.shapeshiftController.store.subscribe(this.sendUpdate.bind(this))
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this.infuraController.store.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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return this.networkController.initializeProvider({
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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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// rpc data source
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rpcUrl: this.networkController.getCurrentRpcAddress(),
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originHttpHeaderKey: 'X-Metamask-Origin',
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// account mgmt
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getAccounts: (cb) => {
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const isUnlocked = this.keyringController.memStore.getState().isUnlocked
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const result = []
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const selectedAddress = this.preferencesController.getSelectedAddress()
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// only show address if account is unlocked
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if (isUnlocked && selectedAddress) {
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result.push(selectedAddress)
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}
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cb(null, result)
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},
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// tx signing
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processTransaction: nodeify(async (txParams) => await this.txController.newUnapprovedTransaction(txParams), this),
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// old style msg signing
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processMessage: this.newUnsignedMessage.bind(this),
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// new style msg signing
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processPersonalMessage: this.newUnsignedPersonalMessage.bind(this),
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})
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}
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initPublicConfigStore () {
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// get init state
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const publicConfigStore = new ObservableStore()
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// memStore -> transform -> publicConfigStore
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this.on('update', (memState) => {
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const publicState = selectPublicState(memState)
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publicConfigStore.putState(publicState)
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})
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function selectPublicState (memState) {
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const result = {
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selectedAddress: memState.isUnlocked ? memState.selectedAddress : undefined,
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networkVersion: memState.network,
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}
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return result
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}
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return publicConfigStore
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}
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//
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// 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.networkController.store.getState(),
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this.accountTracker.store.getState(),
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this.txController.memStore.getState(),
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this.messageManager.memStore.getState(),
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this.personalMessageManager.memStore.getState(),
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this.keyringController.memStore.getState(),
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this.balancesController.store.getState(),
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this.preferencesController.store.getState(),
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this.addressBookController.store.getState(),
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this.currencyController.store.getState(),
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this.noticeController.memStore.getState(),
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this.infuraController.store.getState(),
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// config manager
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this.configManager.getConfig(),
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this.shapeshiftController.store.getState(),
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{
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lostAccounts: this.configManager.getLostAccounts(),
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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 txController = this.txController
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const noticeController = this.noticeController
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const addressBookController = this.addressBookController
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return {
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// etc
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getState: (cb) => cb(null, this.getState()),
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setProviderType: this.networkController.setProviderType.bind(this.networkController),
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setCurrentCurrency: this.setCurrentCurrency.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, preferencesController),
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addToken: nodeify(preferencesController.addToken, preferencesController),
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setCurrentAccountTab: nodeify(preferencesController.setCurrentAccountTab, preferencesController),
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setDefaultRpc: nodeify(this.setDefaultRpc, this),
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setCustomRpc: nodeify(this.setCustomRpc, this),
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// AddressController
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setAddressBook: nodeify(addressBookController.setAddressBook, addressBookController),
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// KeyringController
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setLocked: nodeify(keyringController.setLocked, keyringController),
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createNewVaultAndKeychain: nodeify(keyringController.createNewVaultAndKeychain, keyringController),
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createNewVaultAndRestore: nodeify(keyringController.createNewVaultAndRestore, keyringController),
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addNewKeyring: nodeify(keyringController.addNewKeyring, keyringController),
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saveAccountLabel: nodeify(keyringController.saveAccountLabel, keyringController),
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exportAccount: nodeify(keyringController.exportAccount, keyringController),
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// txController
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cancelTransaction: nodeify(txController.cancelTransaction, txController),
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updateAndApproveTransaction: nodeify(txController.updateAndApproveTransaction, txController),
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// messageManager
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signMessage: nodeify(this.signMessage, this),
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cancelMessage: this.cancelMessage.bind(this),
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// personalMessageManager
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signPersonalMessage: nodeify(this.signPersonalMessage, this),
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cancelPersonalMessage: this.cancelPersonalMessage.bind(this),
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// 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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// Check if new connection is blacklisted
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if (this.blacklistController.checkForPhishing(originDomain)) {
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log.debug('MetaMask - sending phishing warning for', originDomain)
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this.sendPhishingWarning(connectionStream, originDomain)
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return
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}
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// setup multiplexing
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const mux = setupMultiplex(connectionStream)
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// connect features
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this.setupProviderConnection(mux.createStream('provider'), originDomain)
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this.setupPublicConfig(mux.createStream('publicConfig'))
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}
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setupTrustedCommunication (connectionStream, originDomain) {
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// setup multiplexing
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const mux = setupMultiplex(connectionStream)
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// connect features
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this.setupControllerConnection(mux.createStream('controller'))
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this.setupProviderConnection(mux.createStream('provider'), originDomain)
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}
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sendPhishingWarning (connectionStream, hostname) {
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const mux = setupMultiplex(connectionStream)
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const phishingStream = mux.createStream('phishing')
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phishingStream.write({ hostname })
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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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pump(
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outStream,
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dnode,
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outStream,
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(err) => {
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if (err) log.error(err)
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}
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)
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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, origin) {
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// setup json rpc engine stack
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const engine = new RpcEngine()
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// create filter polyfill middleware
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const filterMiddleware = createFilterMiddleware({
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provider: this.provider,
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blockTracker: this.blockTracker,
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})
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engine.push(createOriginMiddleware({ origin }))
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engine.push(createLoggerMiddleware({ origin }))
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engine.push(filterMiddleware)
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engine.push(createProviderMiddleware({ provider: this.provider }))
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// setup connection
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const providerStream = createEngineStream({ engine })
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pump(
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outStream,
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providerStream,
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outStream,
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(err) => {
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// cleanup filter polyfill middleware
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filterMiddleware.destroy()
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if (err) log.error(err)
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}
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)
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}
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setupPublicConfig (outStream) {
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pump(
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this.publicConfigStore,
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outStream,
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(err) => {
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if (err) log.error(err)
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}
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)
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}
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privateSendUpdate () {
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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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return this.keyringController.submitPassword(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(null, seedWords)
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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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newUnsignedMessage (msgParams, cb) {
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const msgId = this.messageManager.addUnapprovedMessage(msgParams)
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this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
this.messageManager.once(`${msgId}:finished`, (data) => {
|
|
switch (data.status) {
|
|
case 'signed':
|
|
return cb(null, data.rawSig)
|
|
case 'rejected':
|
|
return cb(new Error('MetaMask Message Signature: User denied message signature.'))
|
|
default:
|
|
return cb(new Error(`MetaMask Message Signature: Unknown problem: ${JSON.stringify(msgParams)}`))
|
|
}
|
|
})
|
|
}
|
|
|
|
newUnsignedPersonalMessage (msgParams, cb) {
|
|
if (!msgParams.from) {
|
|
return cb(new Error('MetaMask Message Signature: from field is required.'))
|
|
}
|
|
|
|
const msgId = this.personalMessageManager.addUnapprovedMessage(msgParams)
|
|
this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
this.personalMessageManager.once(`${msgId}:finished`, (data) => {
|
|
switch (data.status) {
|
|
case 'signed':
|
|
return cb(null, data.rawSig)
|
|
case 'rejected':
|
|
return cb(new Error('MetaMask Message Signature: User denied message signature.'))
|
|
default:
|
|
return cb(new Error(`MetaMask Message Signature: Unknown problem: ${JSON.stringify(msgParams)}`))
|
|
}
|
|
})
|
|
}
|
|
|
|
signMessage (msgParams, cb) {
|
|
log.info('MetaMaskController - signMessage')
|
|
const msgId = msgParams.metamaskId
|
|
|
|
// sets the status op the message to 'approved'
|
|
// and removes the metamaskId for signing
|
|
return this.messageManager.approveMessage(msgParams)
|
|
.then((cleanMsgParams) => {
|
|
// signs the message
|
|
return this.keyringController.signMessage(cleanMsgParams)
|
|
})
|
|
.then((rawSig) => {
|
|
// tells the listener that the message has been signed
|
|
// and can be returned to the dapp
|
|
this.messageManager.setMsgStatusSigned(msgId, rawSig)
|
|
return this.getState()
|
|
})
|
|
}
|
|
|
|
cancelMessage (msgId, cb) {
|
|
const messageManager = this.messageManager
|
|
messageManager.rejectMsg(msgId)
|
|
if (cb && typeof cb === 'function') {
|
|
cb(null, this.getState())
|
|
}
|
|
}
|
|
|
|
// Prefixed Style Message Signing Methods:
|
|
approvePersonalMessage (msgParams, cb) {
|
|
const msgId = this.personalMessageManager.addUnapprovedMessage(msgParams)
|
|
this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
this.personalMessageManager.once(`${msgId}:finished`, (data) => {
|
|
switch (data.status) {
|
|
case 'signed':
|
|
return cb(null, data.rawSig)
|
|
case 'rejected':
|
|
return cb(new Error('MetaMask Message Signature: User denied transaction signature.'))
|
|
default:
|
|
return cb(new Error(`MetaMask Message Signature: Unknown problem: ${JSON.stringify(msgParams)}`))
|
|
}
|
|
})
|
|
}
|
|
|
|
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()
|
|
})
|
|
}
|
|
|
|
cancelPersonalMessage (msgId, cb) {
|
|
const messageManager = this.personalMessageManager
|
|
messageManager.rejectMsg(msgId)
|
|
if (cb && typeof cb === 'function') {
|
|
cb(null, this.getState())
|
|
}
|
|
}
|
|
|
|
markAccountsFound (cb) {
|
|
this.configManager.setLostAccounts([])
|
|
this.sendUpdate()
|
|
cb(null, this.getState())
|
|
}
|
|
|
|
restoreOldVaultAccounts (migratorOutput) {
|
|
const { serialized } = migratorOutput
|
|
return this.keyringController.restoreKeyring(serialized)
|
|
.then(() => migratorOutput)
|
|
}
|
|
|
|
restoreOldLostAccounts (migratorOutput) {
|
|
const { lostAccounts } = migratorOutput
|
|
if (lostAccounts) {
|
|
this.configManager.setLostAccounts(lostAccounts.map(acct => acct.address))
|
|
return this.importLostAccounts(migratorOutput)
|
|
}
|
|
return Promise.resolve(migratorOutput)
|
|
}
|
|
|
|
// IMPORT LOST ACCOUNTS
|
|
// @Object with key lostAccounts: @Array accounts <{ address, privateKey }>
|
|
// Uses the array's private keys to create a new Simple Key Pair keychain
|
|
// and add it to the keyring controller.
|
|
importLostAccounts ({ lostAccounts }) {
|
|
const privKeys = lostAccounts.map(acct => acct.privateKey)
|
|
return this.keyringController.restoreKeyring({
|
|
type: 'Simple Key Pair',
|
|
data: privKeys,
|
|
})
|
|
}
|
|
|
|
//
|
|
// config
|
|
//
|
|
|
|
// Log blocks
|
|
|
|
setCurrentCurrency (currencyCode, cb) {
|
|
try {
|
|
this.currencyController.setCurrentCurrency(currencyCode)
|
|
this.currencyController.updateConversionRate()
|
|
const data = {
|
|
conversionRate: this.currencyController.getConversionRate(),
|
|
currentCurrency: this.currencyController.getCurrentCurrency(),
|
|
conversionDate: this.currencyController.getConversionDate(),
|
|
}
|
|
cb(null, data)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
buyEth (address, amount) {
|
|
if (!amount) amount = '5'
|
|
const network = this.networkController.getNetworkState()
|
|
const url = getBuyEthUrl({ network, address, amount })
|
|
if (url) this.platform.openWindow({ url })
|
|
}
|
|
|
|
createShapeShiftTx (depositAddress, depositType) {
|
|
this.shapeshiftController.createShapeShiftTx(depositAddress, depositType)
|
|
}
|
|
// network
|
|
|
|
setDefaultRpc () {
|
|
this.networkController.setRpcTarget('http://localhost:8545')
|
|
return Promise.resolve('http://localhost:8545')
|
|
}
|
|
|
|
setCustomRpc (rpcTarget, rpcList) {
|
|
this.networkController.setRpcTarget(rpcTarget)
|
|
|
|
return this.preferencesController.updateFrequentRpcList(rpcTarget)
|
|
.then(() => {
|
|
return Promise.resolve(rpcTarget)
|
|
})
|
|
}
|
|
}
|
|
|