Merge branch 'master' into i1340-SynchronousInjection

12 files changed, 317 insertions, 80 deletions

diff --git a/app/manifest.json b/app/manifest.json
index 0fc43c7d4..a0f449c68 100644
--- a/app/manifest.json
+++ b/app/manifest.json
@@ -1,7 +1,7 @@
 {
   "name": "MetaMask",
   "short_name": "Metamask",
-  "version": "3.10.8",
+  "version": "3.11.0",
   "manifest_version": 2,
   "author": "https://metamask.io",
   "description": "Ethereum Browser Extension",
diff --git a/app/scripts/background.js b/app/scripts/background.js
index 195881e15..3e560d302 100644
--- a/app/scripts/background.js
+++ b/app/scripts/background.js
@@ -124,7 +124,8 @@ function setupController (initState) {
     var unapprovedTxCount = controller.txController.getUnapprovedTxCount()
     var unapprovedMsgCount = controller.messageManager.unapprovedMsgCount
     var unapprovedPersonalMsgs = controller.personalMessageManager.unapprovedPersonalMsgCount
-    var count = unapprovedTxCount + unapprovedMsgCount + unapprovedPersonalMsgs
+    var unapprovedTypedMsgs = controller.typedMessageManager.unapprovedTypedMessagesCount
+    var count = unapprovedTxCount + unapprovedMsgCount + unapprovedPersonalMsgs + unapprovedTypedMsgs
     if (count) {
       label = String(count)
     }
diff --git a/app/scripts/controllers/network.js b/app/scripts/controllers/network.js
index 0f9db4d53..64ed4b7c2 100644
--- a/app/scripts/controllers/network.js
+++ b/app/scripts/controllers/network.js
@@ -1,11 +1,12 @@
 const assert = require('assert')
 const EventEmitter = require('events')
-const createMetamaskProvider = require('web3-provider-engine/zero.js')
 const ObservableStore = require('obs-store')
 const ComposedStore = require('obs-store/lib/composed')
 const extend = require('xtend')
 const EthQuery = require('eth-query')
+const createEthRpcClient = require('eth-rpc-client')
 const createEventEmitterProxy = require('../lib/events-proxy.js')
+const createObjectProxy = require('../lib/obj-proxy.js')
 const RPC_ADDRESS_LIST = require('../config.js').network
 const DEFAULT_RPC = RPC_ADDRESS_LIST['rinkeby']
 
@@ -17,7 +18,8 @@ module.exports = class NetworkController extends EventEmitter {
     this.networkStore = new ObservableStore('loading')
     this.providerStore = new ObservableStore(config.provider)
     this.store = new ComposedStore({ provider: this.providerStore, network: this.networkStore })
-    this._proxy = createEventEmitterProxy()
+    this.providerProxy = createObjectProxy()
+    this.blockTrackerProxy = createEventEmitterProxy()
 
     this.on('networkDidChange', this.lookupNetwork)
   }
@@ -25,12 +27,11 @@ module.exports = class NetworkController extends EventEmitter {
   initializeProvider (_providerParams) {
     this._baseProviderParams = _providerParams
     const rpcUrl = this.getCurrentRpcAddress()
-    this._configureStandardProvider({ rpcUrl })
-    this._proxy.on('block', this._logBlock.bind(this))
-    this._proxy.on('error', this.verifyNetwork.bind(this))
-    this.ethQuery = new EthQuery(this._proxy)
+    this._configureStandardClient({ rpcUrl })
+    this.blockTrackerProxy.on('block', this._logBlock.bind(this))
+    this.blockTrackerProxy.on('error', this.verifyNetwork.bind(this))
+    this.ethQuery = new EthQuery(this.providerProxy)
     this.lookupNetwork()
-    return this._proxy
   }
 
   verifyNetwork () {
@@ -76,8 +77,10 @@ module.exports = class NetworkController extends EventEmitter {
     assert(type !== 'rpc', `NetworkController.setProviderType - cannot connect by type "rpc"`)
     // skip if type already matches
     if (type === this.getProviderConfig().type) return
+    // lookup rpcTarget for typecreateMetamaskProvider
     const rpcTarget = this.getRpcAddressForType(type)
     assert(rpcTarget, `NetworkController - unknown rpc address for type "${type}"`)
+    // update connectioncreateMetamaskProvider
     this.providerStore.updateState({ type, rpcTarget })
     this._switchNetwork({ rpcUrl: rpcTarget })
   }
@@ -97,32 +100,29 @@ module.exports = class NetworkController extends EventEmitter {
 
   _switchNetwork (providerParams) {
     this.setNetworkState('loading')
-    this._configureStandardProvider(providerParams)
+    this._configureStandardClient(providerParams)
     this.emit('networkDidChange')
   }
 
-  _configureStandardProvider(_providerParams) {
+  _configureStandardClient(_providerParams) {
     const providerParams = extend(this._baseProviderParams, _providerParams)
-    const provider = createMetamaskProvider(providerParams)
-    this._setProvider(provider)
-  }
-
-  _setProvider (provider) {
-    // collect old block tracker events
-    const oldProvider = this._provider
-    let blockTrackerHandlers
-    if (oldProvider) {
-      // capture old block handlers
-      blockTrackerHandlers = oldProvider._blockTracker.proxyEventHandlers
-      // tear down
-      oldProvider.removeAllListeners()
-      oldProvider.stop()
+    const client = createEthRpcClient(providerParams)
+    this._setClient(client)
+  }
+
+  _setClient (newClient) {
+    // teardown old client
+    const oldClient = this._currentClient
+    if (oldClient) {
+      oldClient.blockTracker.stop()
+      // asyncEventEmitter lacks a "removeAllListeners" method
+      // oldClient.blockTracker.removeAllListeners
+      oldClient.blockTracker._events = {}
     }
-    // override block tracler
-    provider._blockTracker = createEventEmitterProxy(provider._blockTracker, blockTrackerHandlers)
     // set as new provider
-    this._provider = provider
-    this._proxy.setTarget(provider)
+    this._currentClient = newClient
+    this.providerProxy.setTarget(newClient.provider)
+    this.blockTrackerProxy.setTarget(newClient.blockTracker)
   }
 
   _logBlock (block) {
diff --git a/app/scripts/controllers/transactions.js b/app/scripts/controllers/transactions.js
index 94e04c429..d46dee230 100644
--- a/app/scripts/controllers/transactions.js
+++ b/app/scripts/controllers/transactions.js
@@ -46,6 +46,7 @@ module.exports = class TransactionController extends EventEmitter {
     this.txStateManager.on('tx:status-update', this.emit.bind(this, 'tx:status-update'))
     this.nonceTracker = new NonceTracker({
       provider: this.provider,
+      blockTracker: this.blockTracker,
       getPendingTransactions: this.txStateManager.getPendingTransactions.bind(this.txStateManager),
       getConfirmedTransactions: (address) => {
         return this.txStateManager.getFilteredTxList({
@@ -59,9 +60,10 @@ module.exports = class TransactionController extends EventEmitter {
     this.pendingTxTracker = new PendingTransactionTracker({
       provider: this.provider,
       nonceTracker: this.nonceTracker,
-      retryLimit: 3500, // Retry 3500 blocks, or about 1 day.
+      retryTimePeriod: 86400000, // Retry 3500 blocks, or about 1 day.
       publishTransaction: (rawTx) => this.query.sendRawTransaction(rawTx),
       getPendingTransactions: this.txStateManager.getPendingTransactions.bind(this.txStateManager),
+      getCompletedTransactions: this.txStateManager.getConfirmedTransactions.bind(this.txStateManager),
     })
 
     this.txStateManager.store.subscribe(() => this.emit('update:badge'))
diff --git a/app/scripts/lib/events-proxy.js b/app/scripts/lib/events-proxy.js
index d1199a278..840b06b1a 100644
--- a/app/scripts/lib/events-proxy.js
+++ b/app/scripts/lib/events-proxy.js
@@ -1,6 +1,5 @@
-module.exports = function createEventEmitterProxy(eventEmitter, listeners) {
+module.exports = function createEventEmitterProxy(eventEmitter, eventHandlers = {}) {
   let target = eventEmitter
-  const eventHandlers = listeners || {}
   const proxy = new Proxy({}, {
     get: (obj, name) => {
       // intercept listeners
@@ -14,9 +13,12 @@ module.exports = function createEventEmitterProxy(eventEmitter, listeners) {
       return true
     },
   })
+  proxy.setTarget(eventEmitter)
+  return proxy
+
   function setTarget (eventEmitter) {
     target = eventEmitter
-    // migrate listeners
+    // migrate eventHandlers
     Object.keys(eventHandlers).forEach((name) => {
       eventHandlers[name].forEach((handler) => target.on(name, handler))
     })
@@ -26,6 +28,4 @@ module.exports = function createEventEmitterProxy(eventEmitter, listeners) {
     eventHandlers[name].push(handler)
     target.on(name, handler)
   }
-  if (listeners) proxy.setTarget(eventEmitter)
-  return proxy
 }
\ No newline at end of file
diff --git a/app/scripts/lib/nodeify.js b/app/scripts/lib/nodeify.js
index 832d6c6d3..d24e92206 100644
--- a/app/scripts/lib/nodeify.js
+++ b/app/scripts/lib/nodeify.js
@@ -1,10 +1,18 @@
 const promiseToCallback = require('promise-to-callback')
+const noop = function(){}
 
 module.exports = function nodeify (fn, context) {
   return function(){
     const args = [].slice.call(arguments)
-    const callback = args.pop()
-    if (typeof callback !== 'function') throw new Error('callback is not a function')
+    const lastArg = args[args.length - 1]
+    const lastArgIsCallback = typeof lastArg === 'function'
+    let callback
+    if (lastArgIsCallback) {
+      callback = lastArg
+      args.pop()
+    } else {
+      callback = noop
+    }
     promiseToCallback(fn.apply(context, args))(callback)
   }
 }
diff --git a/app/scripts/lib/nonce-tracker.js b/app/scripts/lib/nonce-tracker.js
index 0029ac953..2af40a27f 100644
--- a/app/scripts/lib/nonce-tracker.js
+++ b/app/scripts/lib/nonce-tracker.js
@@ -4,8 +4,9 @@ const Mutex = require('await-semaphore').Mutex
 
 class NonceTracker {
 
-  constructor ({ provider, getPendingTransactions, getConfirmedTransactions }) {
+  constructor ({ provider, blockTracker, getPendingTransactions, getConfirmedTransactions }) {
     this.provider = provider
+    this.blockTracker = blockTracker
     this.ethQuery = new EthQuery(provider)
     this.getPendingTransactions = getPendingTransactions
     this.getConfirmedTransactions = getConfirmedTransactions
@@ -53,7 +54,7 @@ class NonceTracker {
   }
 
   async _getCurrentBlock () {
-    const blockTracker = this._getBlockTracker()
+    const blockTracker = this.blockTracker
     const currentBlock = blockTracker.getCurrentBlock()
     if (currentBlock) return currentBlock
     return await Promise((reject, resolve) => {
@@ -139,11 +140,6 @@ class NonceTracker {
     return { name: 'local', nonce: highest, details: { startPoint, highest } }
   }
 
-  // this is a hotfix for the fact that the blockTracker will
-  // change when the network changes
-  _getBlockTracker () {
-    return this.provider._blockTracker
-  }
 }
 
 module.exports = NonceTracker
diff --git a/app/scripts/lib/obj-proxy.js b/app/scripts/lib/obj-proxy.js
new file mode 100644
index 000000000..29ca1269f
--- /dev/null
+++ b/app/scripts/lib/obj-proxy.js
@@ -0,0 +1,19 @@
+module.exports = function createObjectProxy(obj) {
+  let target = obj
+  const proxy = new Proxy({}, {
+    get: (obj, name) => {
+      // intercept setTarget
+      if (name === 'setTarget') return setTarget
+      return target[name]
+    },
+    set: (obj, name, value) => {
+      target[name] = value
+      return true
+    },
+  })
+  return proxy
+
+  function setTarget (obj) {
+    target = obj
+  }
+}
\ No newline at end of file
diff --git a/app/scripts/lib/pending-tx-tracker.js b/app/scripts/lib/pending-tx-tracker.js
index 6f1601586..df504c126 100644
--- a/app/scripts/lib/pending-tx-tracker.js
+++ b/app/scripts/lib/pending-tx-tracker.js
@@ -22,9 +22,12 @@ module.exports = class PendingTransactionTracker extends EventEmitter {
     super()
     this.query = new EthQuery(config.provider)
     this.nonceTracker = config.nonceTracker
-    this.retryLimit = config.retryLimit || Infinity
+    // default is one day
+    this.retryTimePeriod = config.retryTimePeriod || 86400000
     this.getPendingTransactions = config.getPendingTransactions
+    this.getCompletedTransactions = config.getCompletedTransactions
     this.publishTransaction = config.publishTransaction
+    this._checkPendingTxs()
   }
 
   //  checks if a signed tx is in a block and
@@ -99,8 +102,9 @@ module.exports = class PendingTransactionTracker extends EventEmitter {
   }
 
   async _resubmitTx (txMeta) {
-    if (txMeta.retryCount > this.retryLimit) {
-      const err = new Error(`Gave up submitting after ${this.retryLimit} blocks un-mined.`)
+    if (Date.now() > txMeta.time + this.retryTimePeriod) {
+      const hours = (this.retryTimePeriod / 3.6e+6).toFixed(1)
+      const err = new Error(`Gave up submitting after ${hours} hours.`)
       return this.emit('tx:failed', txMeta.id, err)
     }
 
@@ -118,6 +122,7 @@ module.exports = class PendingTransactionTracker extends EventEmitter {
   async _checkPendingTx (txMeta) {
     const txHash = txMeta.hash
     const txId = txMeta.id
+
     // extra check in case there was an uncaught error during the
     // signature and submission process
     if (!txHash) {
@@ -126,6 +131,15 @@ module.exports = class PendingTransactionTracker extends EventEmitter {
       this.emit('tx:failed', txId, noTxHashErr)
       return
     }
+
+    // If another tx with the same nonce is mined, set as failed.
+    const taken = await this._checkIfNonceIsTaken(txMeta)
+    if (taken) {
+      const nonceTakenErr = new Error('Another transaction with this nonce has been mined.')
+      nonceTakenErr.name = 'NonceTakenErr'
+      return this.emit('tx:failed', txId, nonceTakenErr)
+    }
+
     // get latest transaction status
     let txParams
     try {
@@ -157,4 +171,13 @@ module.exports = class PendingTransactionTracker extends EventEmitter {
     }
     nonceGlobalLock.releaseLock()
   }
+
+  async _checkIfNonceIsTaken (txMeta) {
+    const completed = this.getCompletedTransactions()
+    const sameNonce = completed.filter((otherMeta) => {
+      return otherMeta.txParams.nonce === txMeta.txParams.nonce
+    })
+    return sameNonce.length > 0
+  }
+
 }
diff --git a/app/scripts/lib/tx-state-manager.js b/app/scripts/lib/tx-state-manager.js
index cf8117864..2250403f6 100644
--- a/app/scripts/lib/tx-state-manager.js
+++ b/app/scripts/lib/tx-state-manager.js
@@ -46,6 +46,12 @@ module.exports = class TransactionStateManger extends EventEmitter {
     return this.getFilteredTxList(opts)
   }
 
+  getConfirmedTransactions (address) {
+    const opts = { status: 'confirmed' }
+    if (address) opts.from = address
+    return this.getFilteredTxList(opts)
+  }
+
   addTx (txMeta) {
     this.once(`${txMeta.id}:signed`, function (txId) {
       this.removeAllListeners(`${txMeta.id}:rejected`)
@@ -242,4 +248,4 @@ module.exports = class TransactionStateManger extends EventEmitter {
   _saveTxList (transactions) {
     this.store.updateState({ transactions })
   }
-}
\ No newline at end of file
+}
diff --git a/app/scripts/lib/typed-message-manager.js b/app/scripts/lib/typed-message-manager.js
new file mode 100644
index 000000000..8b760790e
--- /dev/null
+++ b/app/scripts/lib/typed-message-manager.js
@@ -0,0 +1,123 @@
+const EventEmitter = require('events')
+const ObservableStore = require('obs-store')
+const createId = require('./random-id')
+const assert = require('assert')
+const sigUtil = require('eth-sig-util')
+
+
+module.exports = class TypedMessageManager extends EventEmitter {
+  constructor (opts) {
+    super()
+    this.memStore = new ObservableStore({
+      unapprovedTypedMessages: {},
+      unapprovedTypedMessagesCount: 0,
+    })
+    this.messages = []
+  }
+
+  get unapprovedTypedMessagesCount () {
+    return Object.keys(this.getUnapprovedMsgs()).length
+  }
+
+  getUnapprovedMsgs () {
+    return this.messages.filter(msg => msg.status === 'unapproved')
+      .reduce((result, msg) => { result[msg.id] = msg; return result }, {})
+  }
+
+  addUnapprovedMessage (msgParams) {
+    this.validateParams(msgParams)
+
+    log.debug(`TypedMessageManager addUnapprovedMessage: ${JSON.stringify(msgParams)}`)
+    // create txData obj with parameters and meta data
+    var time = (new Date()).getTime()
+    var msgId = createId()
+    var msgData = {
+      id: msgId,
+      msgParams: msgParams,
+      time: time,
+      status: 'unapproved',
+      type: 'eth_signTypedData',
+    }
+    this.addMsg(msgData)
+
+    // signal update
+    this.emit('update')
+    return msgId
+  }
+
+  validateParams (params) {
+    assert.equal(typeof params, 'object', 'Params should ben an object.')
+    assert.ok('data' in params, 'Params must include a data field.')
+    assert.ok('from' in params, 'Params must include a from field.')
+    assert.ok(Array.isArray(params.data), 'Data should be an array.')
+    assert.equal(typeof params.from, 'string', 'From field must be a string.')
+    assert.doesNotThrow(() => {
+      sigUtil.typedSignatureHash(params.data)
+    }, 'Expected EIP712 typed data')
+  }
+
+  addMsg (msg) {
+    this.messages.push(msg)
+    this._saveMsgList()
+  }
+
+  getMsg (msgId) {
+    return this.messages.find(msg => msg.id === msgId)
+  }
+
+  approveMessage (msgParams) {
+    this.setMsgStatusApproved(msgParams.metamaskId)
+    return this.prepMsgForSigning(msgParams)
+  }
+
+  setMsgStatusApproved (msgId) {
+    this._setMsgStatus(msgId, 'approved')
+  }
+
+  setMsgStatusSigned (msgId, rawSig) {
+    const msg = this.getMsg(msgId)
+    msg.rawSig = rawSig
+    this._updateMsg(msg)
+    this._setMsgStatus(msgId, 'signed')
+  }
+
+  prepMsgForSigning (msgParams) {
+    delete msgParams.metamaskId
+    return Promise.resolve(msgParams)
+  }
+
+  rejectMsg (msgId) {
+    this._setMsgStatus(msgId, 'rejected')
+  }
+
+  //
+  // PRIVATE METHODS
+  //
+
+  _setMsgStatus (msgId, status) {
+    const msg = this.getMsg(msgId)
+    if (!msg) throw new Error('TypedMessageManager - Message not found for id: "${msgId}".')
+    msg.status = status
+    this._updateMsg(msg)
+    this.emit(`${msgId}:${status}`, msg)
+    if (status === 'rejected' || status === 'signed') {
+      this.emit(`${msgId}:finished`, msg)
+    }
+  }
+
+  _updateMsg (msg) {
+    const index = this.messages.findIndex((message) => message.id === msg.id)
+    if (index !== -1) {
+      this.messages[index] = msg
+    }
+    this._saveMsgList()
+  }
+
+  _saveMsgList () {
+    const unapprovedTypedMessages = this.getUnapprovedMsgs()
+    const unapprovedTypedMessagesCount = Object.keys(unapprovedTypedMessages).length
+    this.memStore.updateState({ unapprovedTypedMessages, unapprovedTypedMessagesCount })
+    this.emit('updateBadge')
+  }
+
+}
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 1a468b6c7..a742f3cba 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -25,6 +25,7 @@ const InfuraController = require('./controllers/infura')
 const BlacklistController = require('./controllers/blacklist')
 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 ConfigManager = require('./lib/config-manager')
@@ -80,9 +81,24 @@ module.exports = class MetamaskController extends EventEmitter {
     })
     this.blacklistController.scheduleUpdates()
 
-    // rpc provider
-    this.provider = this.initializeProvider()
-    this.blockTracker = this.provider._blockTracker
+    // rpc provider and block tracker
+    this.networkController.initializeProvider({
+      scaffold: {
+        eth_syncing: false,
+        web3_clientVersion: `MetaMask/v${version}`,
+      },
+      // account mgmt
+      getAccounts: nodeify(this.getAccounts, this),
+      // tx signing
+      processTransaction: nodeify(this.newTransaction, this),
+      // old style msg signing
+      processMessage: this.newUnsignedMessage.bind(this),
+      // personal_sign msg signing
+      processPersonalMessage: this.newUnsignedPersonalMessage.bind(this),
+      processTypedMessage: this.newUnsignedTypedMessage.bind(this),
+    })
+    this.provider = this.networkController.providerProxy
+    this.blockTracker = this.networkController.blockTrackerProxy
 
     // eth data query tools
     this.ethQuery = new EthQuery(this.provider)
@@ -161,6 +177,7 @@ module.exports = class MetamaskController extends EventEmitter {
     this.networkController.lookupNetwork()
     this.messageManager = new MessageManager()
     this.personalMessageManager = new PersonalMessageManager()
+    this.typedMessageManager = new TypedMessageManager()
     this.publicConfigStore = this.initPublicConfigStore()
 
     // manual disk state subscriptions
@@ -202,6 +219,7 @@ module.exports = class MetamaskController extends EventEmitter {
     this.balancesController.store.subscribe(this.sendUpdate.bind(this))
     this.messageManager.memStore.subscribe(this.sendUpdate.bind(this))
     this.personalMessageManager.memStore.subscribe(this.sendUpdate.bind(this))
+    this.typedMessageManager.memStore.subscribe(this.sendUpdate.bind(this))
     this.keyringController.memStore.subscribe(this.sendUpdate.bind(this))
     this.preferencesController.store.subscribe(this.sendUpdate.bind(this))
     this.addressBookController.store.subscribe(this.sendUpdate.bind(this))
@@ -215,35 +233,6 @@ module.exports = class MetamaskController extends EventEmitter {
   // Constructor helpers
   //
 
-  initializeProvider () {
-    const providerOpts = {
-      static: {
-        eth_syncing: false,
-        web3_clientVersion: `MetaMask/v${version}`,
-      },
-      // account mgmt
-      getAccounts: (cb) => {
-        const isUnlocked = this.keyringController.memStore.getState().isUnlocked
-        const result = []
-        const selectedAddress = this.preferencesController.getSelectedAddress()
-
-        // only show address if account is unlocked
-        if (isUnlocked && selectedAddress) {
-          result.push(selectedAddress)
-        }
-        cb(null, result)
-      },
-      // tx signing
-      processTransaction: nodeify(async (txParams) => await this.txController.newUnapprovedTransaction(txParams), this),
-      // old style msg signing
-      processMessage: this.newUnsignedMessage.bind(this),
-      // personal_sign msg signing
-      processPersonalMessage: this.newUnsignedPersonalMessage.bind(this),
-    }
-    const providerProxy = this.networkController.initializeProvider(providerOpts)
-    return providerProxy
-  }
-
   initPublicConfigStore () {
     // get init state
     const publicConfigStore = new ObservableStore()
@@ -283,6 +272,7 @@ module.exports = class MetamaskController extends EventEmitter {
       this.txController.memStore.getState(),
       this.messageManager.memStore.getState(),
       this.personalMessageManager.memStore.getState(),
+      this.typedMessageManager.memStore.getState(),
       this.keyringController.memStore.getState(),
       this.balancesController.store.getState(),
       this.preferencesController.store.getState(),
@@ -364,6 +354,10 @@ module.exports = class MetamaskController extends EventEmitter {
       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),
@@ -474,6 +468,18 @@ module.exports = class MetamaskController extends EventEmitter {
   // Opinionated Keyring Management
   //
 
+  async getAccounts () {
+    const isUnlocked = this.keyringController.memStore.getState().isUnlocked
+    const result = []
+    const selectedAddress = this.preferencesController.getSelectedAddress()
+
+    // only show address if account is unlocked
+    if (isUnlocked && selectedAddress) {
+      result.push(selectedAddress)
+    }
+    return result
+  }
+
   addNewAccount (cb) {
     const primaryKeyring = this.keyringController.getKeyringsByType('HD Key Tree')[0]
     if (!primaryKeyring) return cb(new Error('MetamaskController - No HD Key Tree found'))
@@ -520,6 +526,11 @@ module.exports = class MetamaskController extends EventEmitter {
   // Identity Management
   //
 
+  // this function wrappper lets us pass the fn reference before txController is instantiated
+  async newTransaction (txParams) {
+    return await this.txController.newUnapprovedTransaction(txParams)
+  }
+
   newUnsignedMessage (msgParams, cb) {
     const msgId = this.messageManager.addUnapprovedMessage(msgParams)
     this.sendUpdate()
@@ -556,6 +567,28 @@ module.exports = class MetamaskController extends EventEmitter {
     })
   }
 
+  newUnsignedTypedMessage (msgParams, cb) {
+    let msgId
+    try {
+      msgId = this.typedMessageManager.addUnapprovedMessage(msgParams)
+      this.sendUpdate()
+      this.opts.showUnconfirmedMessage()
+    } catch (e) {
+      return cb(e)
+    }
+
+    this.typedMessageManager.once(`${msgId}:finished`, (data) => {
+      switch (data.status) {
+        case 'signed':
+          return cb(null, data.rawSig)
+        case 'rejected':
+          return cb(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
@@ -618,6 +651,24 @@ module.exports = class MetamaskController extends EventEmitter {
     })
   }
 
+  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()
+      })
+  }
+
   cancelPersonalMessage (msgId, cb) {
     const messageManager = this.personalMessageManager
     messageManager.rejectMsg(msgId)
@@ -626,6 +677,14 @@ module.exports = class MetamaskController extends EventEmitter {
     }
   }
 
+  cancelTypedMessage (msgId, cb) {
+    const messageManager = this.typedMessageManager
+    messageManager.rejectMsg(msgId)
+    if (cb && typeof cb === 'function') {
+      cb(null, this.getState())
+    }
+  }
+
   markAccountsFound (cb) {
     this.configManager.setLostAccounts([])
     this.sendUpdate()