You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1484 lines
50 KiB
1484 lines
50 KiB
/**
|
|
* @file The central metamask controller. Aggregates other controllers and exports an api.
|
|
* @copyright Copyright (c) 2018 MetaMask
|
|
* @license MIT
|
|
*/
|
|
|
|
const EventEmitter = require('events')
|
|
const pump = require('pump')
|
|
const Dnode = require('dnode')
|
|
const ObservableStore = require('obs-store')
|
|
const ComposableObservableStore = require('./lib/ComposableObservableStore')
|
|
const asStream = require('obs-store/lib/asStream')
|
|
const AccountTracker = require('./lib/account-tracker')
|
|
const RpcEngine = require('json-rpc-engine')
|
|
const debounce = require('debounce')
|
|
const createEngineStream = require('json-rpc-middleware-stream/engineStream')
|
|
const createFilterMiddleware = require('eth-json-rpc-filters')
|
|
const createOriginMiddleware = require('./lib/createOriginMiddleware')
|
|
const createLoggerMiddleware = require('./lib/createLoggerMiddleware')
|
|
const createProviderMiddleware = require('./lib/createProviderMiddleware')
|
|
const setupMultiplex = require('./lib/stream-utils.js').setupMultiplex
|
|
const KeyringController = require('eth-keyring-controller')
|
|
const NetworkController = require('./controllers/network')
|
|
const PreferencesController = require('./controllers/preferences')
|
|
const CurrencyController = require('./controllers/currency')
|
|
const NoticeController = require('./notice-controller')
|
|
const ShapeShiftController = require('./controllers/shapeshift')
|
|
const AddressBookController = require('./controllers/address-book')
|
|
const InfuraController = require('./controllers/infura')
|
|
const BlacklistController = require('./controllers/blacklist')
|
|
const RecentBlocksController = require('./controllers/recent-blocks')
|
|
const MessageManager = require('./lib/message-manager')
|
|
const PersonalMessageManager = require('./lib/personal-message-manager')
|
|
const TypedMessageManager = require('./lib/typed-message-manager')
|
|
const TransactionController = require('./controllers/transactions')
|
|
const BalancesController = require('./controllers/computed-balances')
|
|
const TokenRatesController = require('./controllers/token-rates')
|
|
const DetectTokensController = require('./controllers/detect-tokens')
|
|
const ConfigManager = require('./lib/config-manager')
|
|
const nodeify = require('./lib/nodeify')
|
|
const accountImporter = require('./account-import-strategies')
|
|
const getBuyEthUrl = require('./lib/buy-eth-url')
|
|
const Mutex = require('await-semaphore').Mutex
|
|
const version = require('../manifest.json').version
|
|
const BN = require('ethereumjs-util').BN
|
|
const GWEI_BN = new BN('1000000000')
|
|
const percentile = require('percentile')
|
|
const seedPhraseVerifier = require('./lib/seed-phrase-verifier')
|
|
const log = require('loglevel')
|
|
const TrezorKeyring = require('eth-trezor-keyring')
|
|
const LedgerBridgeKeyring = require('eth-ledger-bridge-keyring')
|
|
const EthQuery = require('eth-query')
|
|
|
|
module.exports = class MetamaskController extends EventEmitter {
|
|
|
|
/**
|
|
* @constructor
|
|
* @param {Object} opts
|
|
*/
|
|
constructor (opts) {
|
|
super()
|
|
|
|
this.defaultMaxListeners = 20
|
|
|
|
this.sendUpdate = debounce(this.privateSendUpdate.bind(this), 200)
|
|
this.opts = opts
|
|
const initState = opts.initState || {}
|
|
this.recordFirstTimeInfo(initState)
|
|
|
|
// this keeps track of how many "controllerStream" connections are open
|
|
// the only thing that uses controller connections are open metamask UI instances
|
|
this.activeControllerConnections = 0
|
|
|
|
// platform-specific api
|
|
this.platform = opts.platform
|
|
|
|
// observable state store
|
|
this.store = new ComposableObservableStore(initState)
|
|
|
|
// lock to ensure only one vault created at once
|
|
this.createVaultMutex = new Mutex()
|
|
|
|
// network store
|
|
this.networkController = new NetworkController(initState.NetworkController)
|
|
|
|
// config manager
|
|
this.configManager = new ConfigManager({
|
|
store: this.store,
|
|
})
|
|
|
|
// preferences controller
|
|
this.preferencesController = new PreferencesController({
|
|
initState: initState.PreferencesController,
|
|
initLangCode: opts.initLangCode,
|
|
network: this.networkController,
|
|
})
|
|
|
|
// currency controller
|
|
this.currencyController = new CurrencyController({
|
|
initState: initState.CurrencyController,
|
|
})
|
|
this.currencyController.updateConversionRate()
|
|
this.currencyController.scheduleConversionInterval()
|
|
|
|
// infura controller
|
|
this.infuraController = new InfuraController({
|
|
initState: initState.InfuraController,
|
|
})
|
|
this.infuraController.scheduleInfuraNetworkCheck()
|
|
|
|
this.blacklistController = new BlacklistController()
|
|
this.blacklistController.scheduleUpdates()
|
|
|
|
// rpc provider
|
|
this.initializeProvider()
|
|
this.provider = this.networkController.getProviderAndBlockTracker().provider
|
|
this.blockTracker = this.networkController.getProviderAndBlockTracker().blockTracker
|
|
|
|
// token exchange rate tracker
|
|
this.tokenRatesController = new TokenRatesController({
|
|
preferences: this.preferencesController.store,
|
|
})
|
|
|
|
this.recentBlocksController = new RecentBlocksController({
|
|
blockTracker: this.blockTracker,
|
|
provider: this.provider,
|
|
})
|
|
|
|
// account tracker watches balances, nonces, and any code at their address.
|
|
this.accountTracker = new AccountTracker({
|
|
provider: this.provider,
|
|
blockTracker: this.blockTracker,
|
|
})
|
|
// start and stop polling for balances based on activeControllerConnections
|
|
this.on('controllerConnectionChanged', (activeControllerConnections) => {
|
|
if (activeControllerConnections > 0) {
|
|
this.accountTracker.start()
|
|
} else {
|
|
this.accountTracker.stop()
|
|
}
|
|
})
|
|
|
|
// key mgmt
|
|
const additionalKeyrings = [TrezorKeyring, LedgerBridgeKeyring]
|
|
this.keyringController = new KeyringController({
|
|
keyringTypes: additionalKeyrings,
|
|
initState: initState.KeyringController,
|
|
getNetwork: this.networkController.getNetworkState.bind(this.networkController),
|
|
encryptor: opts.encryptor || undefined,
|
|
})
|
|
|
|
this.keyringController.memStore.subscribe((s) => this._onKeyringControllerUpdate(s))
|
|
|
|
// detect tokens controller
|
|
this.detectTokensController = new DetectTokensController({
|
|
preferences: this.preferencesController,
|
|
network: this.networkController,
|
|
keyringMemStore: this.keyringController.memStore,
|
|
})
|
|
|
|
// address book controller
|
|
this.addressBookController = new AddressBookController({
|
|
initState: initState.AddressBookController,
|
|
preferencesStore: this.preferencesController.store,
|
|
})
|
|
|
|
// tx mgmt
|
|
this.txController = new TransactionController({
|
|
initState: initState.TransactionController || initState.TransactionManager,
|
|
networkStore: this.networkController.networkStore,
|
|
preferencesStore: this.preferencesController.store,
|
|
txHistoryLimit: 40,
|
|
getNetwork: this.networkController.getNetworkState.bind(this),
|
|
signTransaction: this.keyringController.signTransaction.bind(this.keyringController),
|
|
provider: this.provider,
|
|
blockTracker: this.blockTracker,
|
|
getGasPrice: this.getGasPrice.bind(this),
|
|
})
|
|
this.txController.on('newUnapprovedTx', opts.showUnapprovedTx.bind(opts))
|
|
|
|
this.txController.on(`tx:status-update`, (txId, status) => {
|
|
if (status === 'confirmed' || status === 'failed') {
|
|
const txMeta = this.txController.txStateManager.getTx(txId)
|
|
this.platform.showTransactionNotification(txMeta)
|
|
}
|
|
})
|
|
|
|
// computed balances (accounting for pending transactions)
|
|
this.balancesController = new BalancesController({
|
|
accountTracker: this.accountTracker,
|
|
txController: this.txController,
|
|
blockTracker: this.blockTracker,
|
|
})
|
|
this.networkController.on('networkDidChange', () => {
|
|
this.balancesController.updateAllBalances()
|
|
})
|
|
this.balancesController.updateAllBalances()
|
|
|
|
// notices
|
|
this.noticeController = new NoticeController({
|
|
initState: initState.NoticeController,
|
|
version,
|
|
firstVersion: initState.firstTimeInfo.version,
|
|
})
|
|
|
|
this.shapeshiftController = new ShapeShiftController({
|
|
initState: initState.ShapeShiftController,
|
|
})
|
|
|
|
this.networkController.lookupNetwork()
|
|
this.messageManager = new MessageManager()
|
|
this.personalMessageManager = new PersonalMessageManager()
|
|
this.typedMessageManager = new TypedMessageManager()
|
|
this.publicConfigStore = this.initPublicConfigStore()
|
|
|
|
this.store.updateStructure({
|
|
TransactionController: this.txController.store,
|
|
KeyringController: this.keyringController.store,
|
|
PreferencesController: this.preferencesController.store,
|
|
AddressBookController: this.addressBookController.store,
|
|
CurrencyController: this.currencyController.store,
|
|
NoticeController: this.noticeController.store,
|
|
ShapeShiftController: this.shapeshiftController.store,
|
|
NetworkController: this.networkController.store,
|
|
InfuraController: this.infuraController.store,
|
|
})
|
|
|
|
this.memStore = new ComposableObservableStore(null, {
|
|
NetworkController: this.networkController.store,
|
|
AccountTracker: this.accountTracker.store,
|
|
TxController: this.txController.memStore,
|
|
BalancesController: this.balancesController.store,
|
|
TokenRatesController: this.tokenRatesController.store,
|
|
MessageManager: this.messageManager.memStore,
|
|
PersonalMessageManager: this.personalMessageManager.memStore,
|
|
TypesMessageManager: this.typedMessageManager.memStore,
|
|
KeyringController: this.keyringController.memStore,
|
|
PreferencesController: this.preferencesController.store,
|
|
RecentBlocksController: this.recentBlocksController.store,
|
|
AddressBookController: this.addressBookController.store,
|
|
CurrencyController: this.currencyController.store,
|
|
NoticeController: this.noticeController.memStore,
|
|
ShapeshiftController: this.shapeshiftController.store,
|
|
InfuraController: this.infuraController.store,
|
|
})
|
|
this.memStore.subscribe(this.sendUpdate.bind(this))
|
|
}
|
|
|
|
/**
|
|
* Constructor helper: initialize a provider.
|
|
*/
|
|
initializeProvider () {
|
|
const providerOpts = {
|
|
static: {
|
|
eth_syncing: false,
|
|
web3_clientVersion: `MetaMask/v${version}`,
|
|
},
|
|
// account mgmt
|
|
getAccounts: async () => {
|
|
const isUnlocked = this.keyringController.memStore.getState().isUnlocked
|
|
const selectedAddress = this.preferencesController.getSelectedAddress()
|
|
// only show address if account is unlocked
|
|
if (isUnlocked && selectedAddress) {
|
|
return [selectedAddress]
|
|
} else {
|
|
return []
|
|
}
|
|
},
|
|
// tx signing
|
|
processTransaction: this.newUnapprovedTransaction.bind(this),
|
|
// msg signing
|
|
processEthSignMessage: this.newUnsignedMessage.bind(this),
|
|
processPersonalMessage: this.newUnsignedPersonalMessage.bind(this),
|
|
processTypedMessage: this.newUnsignedTypedMessage.bind(this),
|
|
}
|
|
const providerProxy = this.networkController.initializeProvider(providerOpts)
|
|
return providerProxy
|
|
}
|
|
|
|
/**
|
|
* Constructor helper: initialize a public config store.
|
|
* This store is used to make some config info available to Dapps synchronously.
|
|
*/
|
|
initPublicConfigStore () {
|
|
// get init state
|
|
const publicConfigStore = new ObservableStore()
|
|
|
|
// memStore -> transform -> publicConfigStore
|
|
this.on('update', (memState) => {
|
|
this.isClientOpenAndUnlocked = memState.isUnlocked && this._isClientOpen
|
|
const publicState = selectPublicState(memState)
|
|
publicConfigStore.putState(publicState)
|
|
})
|
|
|
|
function selectPublicState (memState) {
|
|
const result = {
|
|
selectedAddress: memState.isUnlocked ? memState.selectedAddress : undefined,
|
|
networkVersion: memState.network,
|
|
}
|
|
return result
|
|
}
|
|
|
|
return publicConfigStore
|
|
}
|
|
|
|
//=============================================================================
|
|
// EXPOSED TO THE UI SUBSYSTEM
|
|
//=============================================================================
|
|
|
|
/**
|
|
* The metamask-state of the various controllers, made available to the UI
|
|
*
|
|
* @returns {Object} status
|
|
*/
|
|
getState () {
|
|
const wallet = this.configManager.getWallet()
|
|
const vault = this.keyringController.store.getState().vault
|
|
const isInitialized = (!!wallet || !!vault)
|
|
|
|
return {
|
|
...{ isInitialized },
|
|
...this.memStore.getFlatState(),
|
|
...this.configManager.getConfig(),
|
|
...{
|
|
lostAccounts: this.configManager.getLostAccounts(),
|
|
seedWords: this.configManager.getSeedWords(),
|
|
forgottenPassword: this.configManager.getPasswordForgotten(),
|
|
},
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns an Object containing API Callback Functions.
|
|
* These functions are the interface for the UI.
|
|
* The API object can be transmitted over a stream with dnode.
|
|
*
|
|
* @returns {Object} Object containing API functions.
|
|
*/
|
|
getApi () {
|
|
const keyringController = this.keyringController
|
|
const preferencesController = this.preferencesController
|
|
const txController = this.txController
|
|
const noticeController = this.noticeController
|
|
const addressBookController = this.addressBookController
|
|
const networkController = this.networkController
|
|
|
|
return {
|
|
// etc
|
|
getState: (cb) => cb(null, this.getState()),
|
|
setCurrentCurrency: this.setCurrentCurrency.bind(this),
|
|
setUseBlockie: this.setUseBlockie.bind(this),
|
|
setCurrentLocale: this.setCurrentLocale.bind(this),
|
|
markAccountsFound: this.markAccountsFound.bind(this),
|
|
markPasswordForgotten: this.markPasswordForgotten.bind(this),
|
|
unMarkPasswordForgotten: this.unMarkPasswordForgotten.bind(this),
|
|
getGasPrice: (cb) => cb(null, this.getGasPrice()),
|
|
|
|
// coinbase
|
|
buyEth: this.buyEth.bind(this),
|
|
// shapeshift
|
|
createShapeShiftTx: this.createShapeShiftTx.bind(this),
|
|
|
|
// primary HD keyring management
|
|
addNewAccount: nodeify(this.addNewAccount, this),
|
|
placeSeedWords: this.placeSeedWords.bind(this),
|
|
verifySeedPhrase: nodeify(this.verifySeedPhrase, this),
|
|
clearSeedWordCache: this.clearSeedWordCache.bind(this),
|
|
resetAccount: nodeify(this.resetAccount, this),
|
|
removeAccount: nodeify(this.removeAccount, this),
|
|
importAccountWithStrategy: nodeify(this.importAccountWithStrategy, this),
|
|
|
|
// hardware wallets
|
|
connectHardware: nodeify(this.connectHardware, this),
|
|
forgetDevice: nodeify(this.forgetDevice, this),
|
|
checkHardwareStatus: nodeify(this.checkHardwareStatus, this),
|
|
unlockHardwareWalletAccount: nodeify(this.unlockHardwareWalletAccount, this),
|
|
|
|
// vault management
|
|
submitPassword: nodeify(this.submitPassword, this),
|
|
|
|
// network management
|
|
setProviderType: nodeify(networkController.setProviderType, networkController),
|
|
setCustomRpc: nodeify(this.setCustomRpc, this),
|
|
|
|
// PreferencesController
|
|
setSelectedAddress: nodeify(preferencesController.setSelectedAddress, preferencesController),
|
|
addToken: nodeify(preferencesController.addToken, preferencesController),
|
|
removeToken: nodeify(preferencesController.removeToken, preferencesController),
|
|
setCurrentAccountTab: nodeify(preferencesController.setCurrentAccountTab, preferencesController),
|
|
setAccountLabel: nodeify(preferencesController.setAccountLabel, preferencesController),
|
|
setFeatureFlag: nodeify(preferencesController.setFeatureFlag, preferencesController),
|
|
|
|
// AddressController
|
|
setAddressBook: nodeify(addressBookController.setAddressBook, addressBookController),
|
|
|
|
// KeyringController
|
|
setLocked: nodeify(keyringController.setLocked, keyringController),
|
|
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),
|
|
getFilteredTxList: nodeify(txController.getFilteredTxList, txController),
|
|
isNonceTaken: nodeify(txController.isNonceTaken, txController),
|
|
estimateGas: nodeify(this.estimateGas, 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),
|
|
|
|
// notices
|
|
checkNotices: noticeController.updateNoticesList.bind(noticeController),
|
|
markNoticeRead: noticeController.markNoticeRead.bind(noticeController),
|
|
}
|
|
}
|
|
|
|
|
|
//=============================================================================
|
|
// 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')
|
|
}
|
|
})
|
|
}
|
|
})
|
|
}
|
|
|
|
/*
|
|
* 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)
|
|
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}
|
|
}
|
|
|
|
/**
|
|
* Adds the current vault's seed words to the UI's state tree.
|
|
*
|
|
* Used when creating a first vault, to allow confirmation.
|
|
* Also used when revealing the seed words in the confirmation view.
|
|
*
|
|
* @param {Function} cb - A callback called on completion.
|
|
*/
|
|
placeSeedWords (cb) {
|
|
|
|
this.verifySeedPhrase()
|
|
.then((seedWords) => {
|
|
this.configManager.setSeedWords(seedWords)
|
|
return cb(null, seedWords)
|
|
})
|
|
.catch((err) => {
|
|
return cb(err)
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Verifies the validity of the current vault's seed phrase.
|
|
*
|
|
* Validity: seed phrase restores the accounts belonging to the current vault.
|
|
*
|
|
* Called when the first account is created and on unlocking the vault.
|
|
*
|
|
* @returns {Promise<string>} Seed phrase to be confirmed by the user.
|
|
*/
|
|
async verifySeedPhrase () {
|
|
|
|
const primaryKeyring = this.keyringController.getKeyringsByType('HD Key Tree')[0]
|
|
if (!primaryKeyring) {
|
|
throw new Error('MetamaskController - No HD Key Tree found')
|
|
}
|
|
|
|
const serialized = await primaryKeyring.serialize()
|
|
const seedWords = serialized.mnemonic
|
|
|
|
const accounts = await primaryKeyring.getAccounts()
|
|
if (accounts.length < 1) {
|
|
throw new Error('MetamaskController - No accounts found')
|
|
}
|
|
|
|
try {
|
|
await seedPhraseVerifier.verifyAccounts(accounts, seedWords)
|
|
return seedWords
|
|
} catch (err) {
|
|
log.error(err.message)
|
|
throw err
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove the primary account seed phrase from the UI's state tree.
|
|
*
|
|
* The seed phrase remains available in the background process.
|
|
*
|
|
* @param {function} cb Callback function called with the current address.
|
|
*/
|
|
clearSeedWordCache (cb) {
|
|
this.configManager.setSeedWords(null)
|
|
cb(null, this.preferencesController.getSelectedAddress())
|
|
}
|
|
|
|
/**
|
|
* Clears the transaction history, to allow users to force-reset their nonces.
|
|
* Mostly used in development environments, when networks are restarted with
|
|
* the same network ID.
|
|
*
|
|
* @returns Promise<string> The current selected address.
|
|
*/
|
|
async resetAccount () {
|
|
const selectedAddress = this.preferencesController.getSelectedAddress()
|
|
this.txController.wipeTransactions(selectedAddress)
|
|
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) {
|
|
const promise = this.typedMessageManager.addUnapprovedMessageAsync(msgParams, req)
|
|
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.
|
|
*/
|
|
signTypedMessage (msgParams) {
|
|
log.info('MetaMaskController - signTypedMessage')
|
|
const msgId = msgParams.metamaskId
|
|
// sets the status op the message to 'approved'
|
|
// and removes the metamaskId for signing
|
|
return this.typedMessageManager.approveMessage(msgParams)
|
|
.then((cleanMsgParams) => {
|
|
// signs the message
|
|
return this.keyringController.signTypedMessage(cleanMsgParams)
|
|
})
|
|
.then((rawSig) => {
|
|
// tells the listener that the message has been signed
|
|
// and can be returned to the dapp
|
|
this.typedMessageManager.setMsgStatusSigned(msgId, rawSig)
|
|
return this.getState()
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Used to cancel a eth_signTypedData type message.
|
|
* @param {string} msgId - The ID of the message to cancel.
|
|
* @param {Function} cb - The callback function called with a full state update.
|
|
*/
|
|
cancelTypedMessage (msgId, cb) {
|
|
const messageManager = this.typedMessageManager
|
|
messageManager.rejectMsg(msgId)
|
|
if (cb && typeof cb === 'function') {
|
|
cb(null, this.getState())
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// MetaMask Version 3 Migration Account Restauration Methods
|
|
|
|
/**
|
|
* A legacy method (probably dead code) that was used when we swapped out our
|
|
* key management library that we depended on.
|
|
*
|
|
* Described in:
|
|
* https://medium.com/metamask/metamask-3-migration-guide-914b79533cdd
|
|
*
|
|
* @deprecated
|
|
* @param {} migratorOutput
|
|
*/
|
|
restoreOldVaultAccounts (migratorOutput) {
|
|
const { serialized } = migratorOutput
|
|
return this.keyringController.restoreKeyring(serialized)
|
|
.then(() => migratorOutput)
|
|
}
|
|
|
|
/**
|
|
* A legacy method used to record user confirmation that they understand
|
|
* that some of their accounts have been recovered but should be backed up.
|
|
*
|
|
* @deprecated
|
|
* @param {Function} cb - A callback function called with a full state update.
|
|
*/
|
|
markAccountsFound (cb) {
|
|
this.configManager.setLostAccounts([])
|
|
this.sendUpdate()
|
|
cb(null, this.getState())
|
|
}
|
|
|
|
/**
|
|
* A legacy method (probably dead code) that was used when we swapped out our
|
|
* key management library that we depended on.
|
|
*
|
|
* Described in:
|
|
* https://medium.com/metamask/metamask-3-migration-guide-914b79533cdd
|
|
*
|
|
* @deprecated
|
|
* @param {} migratorOutput
|
|
*/
|
|
restoreOldLostAccounts (migratorOutput) {
|
|
const { lostAccounts } = migratorOutput
|
|
if (lostAccounts) {
|
|
this.configManager.setLostAccounts(lostAccounts.map(acct => acct.address))
|
|
return this.importLostAccounts(migratorOutput)
|
|
}
|
|
return Promise.resolve(migratorOutput)
|
|
}
|
|
|
|
/**
|
|
* An account object
|
|
* @typedef Account
|
|
* @property string privateKey - The private key of the account.
|
|
*/
|
|
|
|
/**
|
|
* Probably no longer needed, related to the Version 3 migration.
|
|
* Imports a hash of accounts to private keys into the vault.
|
|
*
|
|
* Described in:
|
|
* https://medium.com/metamask/metamask-3-migration-guide-914b79533cdd
|
|
*
|
|
* Uses the array's private keys to create a new Simple Key Pair keychain
|
|
* and add it to the keyring controller.
|
|
* @deprecated
|
|
* @param {Account[]} lostAccounts -
|
|
* @returns {Keyring[]} An array of the restored keyrings.
|
|
*/
|
|
importLostAccounts ({ lostAccounts }) {
|
|
const privKeys = lostAccounts.map(acct => acct.privateKey)
|
|
return this.keyringController.restoreKeyring({
|
|
type: 'Simple Key Pair',
|
|
data: privKeys,
|
|
})
|
|
}
|
|
|
|
//=============================================================================
|
|
// END (VAULT / KEYRING RELATED METHODS)
|
|
//=============================================================================
|
|
|
|
/**
|
|
* Allows a user to try to speed up a transaction by retrying it
|
|
* with higher gas.
|
|
*
|
|
* @param {string} txId - The ID of the transaction to speed up.
|
|
* @param {Function} cb - The callback function called with a full state update.
|
|
*/
|
|
async retryTransaction (txId, cb) {
|
|
await this.txController.retryTransaction(txId)
|
|
const state = await this.getState()
|
|
return state
|
|
}
|
|
|
|
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.configManager.setPasswordForgotten(true)
|
|
this.sendUpdate()
|
|
cb()
|
|
}
|
|
|
|
/**
|
|
* Allows a user to end the seed phrase recovery process.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
unMarkPasswordForgotten (cb) {
|
|
this.configManager.setPasswordForgotten(false)
|
|
this.sendUpdate()
|
|
cb()
|
|
}
|
|
|
|
//=============================================================================
|
|
// SETUP
|
|
//=============================================================================
|
|
|
|
/**
|
|
* Used to create a multiplexed stream for connecting to an untrusted context
|
|
* like a Dapp or other extension.
|
|
* @param {*} connectionStream - The Duplex stream to connect to.
|
|
* @param {string} originDomain - The domain requesting the stream, which
|
|
* may trigger a blacklist reload.
|
|
*/
|
|
setupUntrustedCommunication (connectionStream, originDomain) {
|
|
// Check if new connection is blacklisted
|
|
if (this.blacklistController.checkForPhishing(originDomain)) {
|
|
log.debug('MetaMask - sending phishing warning for', originDomain)
|
|
this.sendPhishingWarning(connectionStream, originDomain)
|
|
return
|
|
}
|
|
|
|
// setup multiplexing
|
|
const mux = setupMultiplex(connectionStream)
|
|
// connect features
|
|
this.setupProviderConnection(mux.createStream('provider'), originDomain)
|
|
this.setupPublicConfig(mux.createStream('publicConfig'))
|
|
}
|
|
|
|
/**
|
|
* Used to create a multiplexed stream for connecting to a trusted context,
|
|
* like our own user interfaces, which have the provider APIs, but also
|
|
* receive the exported API from this controller, which includes trusted
|
|
* functions, like the ability to approve transactions or sign messages.
|
|
*
|
|
* @param {*} connectionStream - The duplex stream to connect to.
|
|
* @param {string} originDomain - The domain requesting the connection,
|
|
* used in logging and error reporting.
|
|
*/
|
|
setupTrustedCommunication (connectionStream, originDomain) {
|
|
// setup multiplexing
|
|
const mux = setupMultiplex(connectionStream)
|
|
// connect features
|
|
this.setupControllerConnection(mux.createStream('controller'))
|
|
this.setupProviderConnection(mux.createStream('provider'), originDomain)
|
|
}
|
|
|
|
/**
|
|
* Called when we detect a suspicious domain. Requests the browser redirects
|
|
* to our anti-phishing page.
|
|
*
|
|
* @private
|
|
* @param {*} connectionStream - The duplex stream to the per-page script,
|
|
* for sending the reload attempt to.
|
|
* @param {string} hostname - The URL that triggered the suspicion.
|
|
*/
|
|
sendPhishingWarning (connectionStream, hostname) {
|
|
const mux = setupMultiplex(connectionStream)
|
|
const phishingStream = mux.createStream('phishing')
|
|
phishingStream.write({ hostname })
|
|
}
|
|
|
|
/**
|
|
* A method for providing our API over a stream using Dnode.
|
|
* @param {*} outStream - The stream to provide our API over.
|
|
*/
|
|
setupControllerConnection (outStream) {
|
|
const api = this.getApi()
|
|
const dnode = Dnode(api)
|
|
// 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 = remote.sendUpdate.bind(remote)
|
|
this.on('update', sendUpdate)
|
|
})
|
|
}
|
|
|
|
/**
|
|
* A method for serving our ethereum provider over a given stream.
|
|
* @param {*} outStream - The stream to provide over.
|
|
* @param {string} origin - The URI of the requesting resource.
|
|
*/
|
|
setupProviderConnection (outStream, origin) {
|
|
// setup json rpc engine stack
|
|
const engine = new RpcEngine()
|
|
|
|
// create filter polyfill middleware
|
|
const filterMiddleware = createFilterMiddleware({
|
|
provider: this.provider,
|
|
blockTracker: this.blockTracker,
|
|
})
|
|
|
|
engine.push(createOriginMiddleware({ origin }))
|
|
engine.push(createLoggerMiddleware({ origin }))
|
|
engine.push(filterMiddleware)
|
|
engine.push(createProviderMiddleware({ provider: this.provider }))
|
|
|
|
// setup connection
|
|
const providerStream = createEngineStream({ engine })
|
|
pump(
|
|
outStream,
|
|
providerStream,
|
|
outStream,
|
|
(err) => {
|
|
// cleanup filter polyfill middleware
|
|
filterMiddleware.destroy()
|
|
if (err) log.error(err)
|
|
}
|
|
)
|
|
}
|
|
|
|
/**
|
|
* A method for providing our public config info over a stream.
|
|
* This includes info we like to be synchronous if possible, like
|
|
* the current selected account, and network ID.
|
|
*
|
|
* Since synchronous methods have been deprecated in web3,
|
|
* this is a good candidate for deprecation.
|
|
*
|
|
* @param {*} outStream - The stream to provide public config over.
|
|
*/
|
|
setupPublicConfig (outStream) {
|
|
pump(
|
|
asStream(this.publicConfigStore),
|
|
outStream,
|
|
(err) => {
|
|
if (err) log.error(err)
|
|
}
|
|
)
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for emitting the full MetaMask state to all registered listeners.
|
|
* @private
|
|
*/
|
|
privateSendUpdate () {
|
|
this.emit('update', this.getState())
|
|
}
|
|
|
|
/**
|
|
* A method for estimating a good gas price at recent prices.
|
|
* Returns the lowest price that would have been included in
|
|
* 50% of recent blocks.
|
|
*
|
|
* @returns {string} A hex representation of the suggested wei gas price.
|
|
*/
|
|
getGasPrice () {
|
|
const { recentBlocksController } = this
|
|
const { recentBlocks } = recentBlocksController.store.getState()
|
|
|
|
// Return 1 gwei if no blocks have been observed:
|
|
if (recentBlocks.length === 0) {
|
|
return '0x' + GWEI_BN.toString(16)
|
|
}
|
|
|
|
const lowestPrices = recentBlocks.map((block) => {
|
|
if (!block.gasPrices || block.gasPrices.length < 1) {
|
|
return GWEI_BN
|
|
}
|
|
return block.gasPrices
|
|
.map(hexPrefix => hexPrefix.substr(2))
|
|
.map(hex => new BN(hex, 16))
|
|
.sort((a, b) => {
|
|
return a.gt(b) ? 1 : -1
|
|
})[0]
|
|
})
|
|
.map(number => number.div(GWEI_BN).toNumber())
|
|
|
|
const percentileNum = percentile(50, lowestPrices)
|
|
const percentileNumBn = new BN(percentileNum)
|
|
return '0x' + percentileNumBn.mul(GWEI_BN).toString(16)
|
|
}
|
|
|
|
//=============================================================================
|
|
// CONFIG
|
|
//=============================================================================
|
|
|
|
// Log blocks
|
|
|
|
/**
|
|
* A method for setting the user's preferred display currency.
|
|
* @param {string} currencyCode - The code of the preferred currency.
|
|
* @param {Function} cb - A callback function returning currency info.
|
|
*/
|
|
setCurrentCurrency (currencyCode, cb) {
|
|
try {
|
|
this.currencyController.setCurrentCurrency(currencyCode)
|
|
this.currencyController.updateConversionRate()
|
|
const data = {
|
|
conversionRate: this.currencyController.getConversionRate(),
|
|
currentCurrency: this.currencyController.getCurrentCurrency(),
|
|
conversionDate: this.currencyController.getConversionDate(),
|
|
}
|
|
cb(null, data)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for forwarding the user to the easiest way to obtain ether,
|
|
* or the network "gas" currency, for the current selected network.
|
|
*
|
|
* @param {string} address - The address to fund.
|
|
* @param {string} amount - The amount of ether desired, as a base 10 string.
|
|
*/
|
|
buyEth (address, amount) {
|
|
if (!amount) amount = '5'
|
|
const network = this.networkController.getNetworkState()
|
|
const url = getBuyEthUrl({ network, address, amount })
|
|
if (url) this.platform.openWindow({ url })
|
|
}
|
|
|
|
/**
|
|
* A method for triggering a shapeshift currency transfer.
|
|
* @param {string} depositAddress - The address to deposit to.
|
|
* @property {string} depositType - An abbreviation of the type of crypto currency to be deposited.
|
|
*/
|
|
createShapeShiftTx (depositAddress, depositType) {
|
|
this.shapeshiftController.createShapeShiftTx(depositAddress, depositType)
|
|
}
|
|
|
|
// network
|
|
|
|
/**
|
|
* A method for selecting a custom URL for an ethereum RPC provider.
|
|
* @param {string} rpcTarget - A URL for a valid Ethereum RPC API.
|
|
* @returns {Promise<String>} - The RPC Target URL confirmed.
|
|
*/
|
|
async setCustomRpc (rpcTarget) {
|
|
this.networkController.setRpcTarget(rpcTarget)
|
|
await this.preferencesController.updateFrequentRpcList(rpcTarget)
|
|
return rpcTarget
|
|
}
|
|
|
|
/**
|
|
* Sets whether or not to use the blockie identicon format.
|
|
* @param {boolean} val - True for bockie, false for jazzicon.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
setUseBlockie (val, cb) {
|
|
try {
|
|
this.preferencesController.setUseBlockie(val)
|
|
cb(null)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for setting a user's current locale, affecting the language rendered.
|
|
* @param {string} key - Locale identifier.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
setCurrentLocale (key, cb) {
|
|
try {
|
|
this.preferencesController.setCurrentLocale(key)
|
|
cb(null)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for initializing storage the first time.
|
|
* @param {Object} initState - The default state to initialize with.
|
|
* @private
|
|
*/
|
|
recordFirstTimeInfo (initState) {
|
|
if (!('firstTimeInfo' in initState)) {
|
|
initState.firstTimeInfo = {
|
|
version,
|
|
date: Date.now(),
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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
|
|
}
|
|
}
|
|
|