Merge remote-tracking branch 'upstream/master'

18 files changed, 193 insertions, 224 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0faf6fe85..e635f6158 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 ## Current Master
 
+## 3.10.8 2017-9-28
+
+- Fixed usage of new currency fetching API.
+
+## 3.10.7 2017-9-28
+
+- Fixed bug where sometimes the current account was not correctly set and exposed to web apps.
 - Added AUD, HKD, SGD, IDR, PHP to currency conversion list
 
 ## 3.10.6 2017-9-27
diff --git a/app/manifest.json b/app/manifest.json
index 639f3fb4b..0fc43c7d4 100644
--- a/app/manifest.json
+++ b/app/manifest.json
@@ -1,7 +1,7 @@
 {
   "name": "MetaMask",
   "short_name": "Metamask",
-  "version": "3.10.6",
+  "version": "3.10.8",
   "manifest_version": 2,
   "author": "https://metamask.io",
   "description": "Ethereum Browser Extension",
@@ -57,7 +57,8 @@
   "permissions": [
     "storage",
     "clipboardWrite",
-    "http://localhost:8545/"
+    "http://localhost:8545/",
+    "https://*.infura.io/"
     ],
   "web_accessible_resources": [
     "scripts/inpage.js"
diff --git a/app/scripts/config.js b/app/scripts/config.js
index c5f260583..1d4ff7c0d 100644
--- a/app/scripts/config.js
+++ b/app/scripts/config.js
@@ -2,11 +2,13 @@ const MAINET_RPC_URL = 'https://mainnet.infura.io/metamask'
 const ROPSTEN_RPC_URL = 'https://ropsten.infura.io/metamask'
 const KOVAN_RPC_URL = 'https://kovan.infura.io/metamask'
 const RINKEBY_RPC_URL = 'https://rinkeby.infura.io/metamask'
+const LOCALHOST_RPC_URL = 'http://localhost:8545'
 
 global.METAMASK_DEBUG = 'GULP_METAMASK_DEBUG'
 
 module.exports = {
   network: {
+    localhost: LOCALHOST_RPC_URL,
     mainnet: MAINET_RPC_URL,
     ropsten: ROPSTEN_RPC_URL,
     kovan: KOVAN_RPC_URL,
diff --git a/app/scripts/controllers/currency.js b/app/scripts/controllers/currency.js
index 9e696ce55..25a7a942e 100644
--- a/app/scripts/controllers/currency.js
+++ b/app/scripts/controllers/currency.js
@@ -45,7 +45,7 @@ class CurrencyController {
 
   updateConversionRate () {
     const currentCurrency = this.getCurrentCurrency()
-    return fetch(`https://api.infura.io/v1/ticker/eth${currentCurrency}`)
+    return fetch(`https://api.infura.io/v1/ticker/eth${currentCurrency.toLowerCase()}`)
     .then(response => response.json())
     .then((parsedResponse) => {
       this.setConversionRate(Number(parsedResponse.bid))
diff --git a/app/scripts/controllers/network.js b/app/scripts/controllers/network.js
index 2a17cdae8..0f9db4d53 100644
--- a/app/scripts/controllers/network.js
+++ b/app/scripts/controllers/network.js
@@ -1,5 +1,6 @@
+const assert = require('assert')
 const EventEmitter = require('events')
-const MetaMaskProvider = require('web3-provider-engine/zero.js')
+const createMetamaskProvider = require('web3-provider-engine/zero.js')
 const ObservableStore = require('obs-store')
 const ComposedStore = require('obs-store/lib/composed')
 const extend = require('xtend')
@@ -9,6 +10,7 @@ const RPC_ADDRESS_LIST = require('../config.js').network
 const DEFAULT_RPC = RPC_ADDRESS_LIST['rinkeby']
 
 module.exports = class NetworkController extends EventEmitter {
+
   constructor (config) {
     super()
     config.provider.rpcTarget = this.getRpcAddressForType(config.provider.type, config.provider)
@@ -18,13 +20,12 @@ module.exports = class NetworkController extends EventEmitter {
     this._proxy = createEventEmitterProxy()
 
     this.on('networkDidChange', this.lookupNetwork)
-    this.providerStore.subscribe((state) => this.switchNetwork({ rpcUrl: state.rpcTarget }))
   }
 
-  initializeProvider (opts, providerContructor = MetaMaskProvider) {
-    this._baseProviderParams = opts
-    const provider = providerContructor(opts)
-    this._setProvider(provider)
+  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)
@@ -32,17 +33,8 @@ module.exports = class NetworkController extends EventEmitter {
     return this._proxy
   }
 
-  switchNetwork (opts) {
-    this.setNetworkState('loading')
-    const providerParams = extend(this._baseProviderParams, opts)
-    this._baseProviderParams = providerParams
-    const provider = MetaMaskProvider(providerParams)
-    this._setProvider(provider)
-    this.emit('networkDidChange')
-  }
-
   verifyNetwork () {
-  // Check network when restoring connectivity:
+    // Check network when restoring connectivity:
     if (this.isNetworkLoading()) this.lookupNetwork()
   }
 
@@ -71,6 +63,7 @@ module.exports = class NetworkController extends EventEmitter {
       type: 'rpc',
       rpcTarget: rpcUrl,
     })
+    this._switchNetwork({ rpcUrl })
   }
 
   getCurrentRpcAddress () {
@@ -79,10 +72,14 @@ module.exports = class NetworkController extends EventEmitter {
     return this.getRpcAddressForType(provider.type)
   }
 
-  setProviderType (type) {
+  async setProviderType (type) {
+    assert(type !== 'rpc', `NetworkController.setProviderType - cannot connect by type "rpc"`)
+    // skip if type already matches
     if (type === this.getProviderConfig().type) return
     const rpcTarget = this.getRpcAddressForType(type)
-    this.providerStore.updateState({type, rpcTarget})
+    assert(rpcTarget, `NetworkController - unknown rpc address for type "${type}"`)
+    this.providerStore.updateState({ type, rpcTarget })
+    this._switchNetwork({ rpcUrl: rpcTarget })
   }
 
   getProviderConfig () {
@@ -94,6 +91,22 @@ module.exports = class NetworkController extends EventEmitter {
     return provider && provider.rpcTarget ? provider.rpcTarget : DEFAULT_RPC
   }
 
+  //
+  // Private
+  //
+
+  _switchNetwork (providerParams) {
+    this.setNetworkState('loading')
+    this._configureStandardProvider(providerParams)
+    this.emit('networkDidChange')
+  }
+
+  _configureStandardProvider(_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
diff --git a/app/scripts/controllers/transactions.js b/app/scripts/controllers/transactions.js
index 4f5c94675..94e04c429 100644
--- a/app/scripts/controllers/transactions.js
+++ b/app/scripts/controllers/transactions.js
@@ -32,7 +32,6 @@ module.exports = class TransactionController extends EventEmitter {
     this.provider = opts.provider
     this.blockTracker = opts.blockTracker
     this.signEthTx = opts.signTransaction
-    this.accountTracker = opts.accountTracker
 
     this.memStore = new ObservableStore({})
     this.query = new EthQuery(this.provider)
@@ -61,33 +60,27 @@ module.exports = class TransactionController extends EventEmitter {
       provider: this.provider,
       nonceTracker: this.nonceTracker,
       retryLimit: 3500, // Retry 3500 blocks, or about 1 day.
-      getBalance: (address) => {
-        const account = this.accountTracker.store.getState().accounts[address]
-        if (!account) return
-        return account.balance
-      },
       publishTransaction: (rawTx) => this.query.sendRawTransaction(rawTx),
       getPendingTransactions: this.txStateManager.getPendingTransactions.bind(this.txStateManager),
     })
 
     this.txStateManager.store.subscribe(() => this.emit('update:badge'))
 
-    this.pendingTxTracker.on('tx:warning', this.txStateManager.updateTx.bind(this.txStateManager))
+    this.pendingTxTracker.on('tx:warning', (txMeta) => {
+      this.txStateManager.updateTx(txMeta, 'transactions/pending-tx-tracker#event: tx:warning')
+    })
     this.pendingTxTracker.on('tx:failed', this.txStateManager.setTxStatusFailed.bind(this.txStateManager))
     this.pendingTxTracker.on('tx:confirmed', this.txStateManager.setTxStatusConfirmed.bind(this.txStateManager))
     this.pendingTxTracker.on('tx:retry', (txMeta) => {
       if (!('retryCount' in txMeta)) txMeta.retryCount = 0
       txMeta.retryCount++
-      this.txStateManager.updateTx(txMeta)
+      this.txStateManager.updateTx(txMeta, 'transactions/pending-tx-tracker#event: tx:retry')
     })
 
     this.blockTracker.on('block', this.pendingTxTracker.checkForTxInBlock.bind(this.pendingTxTracker))
     // this is a little messy but until ethstore has been either
     // removed or redone this is to guard against the race condition
-    // where accountTracker hasent been populated by the results yet
-    this.blockTracker.once('latest', () => {
-      this.blockTracker.on('latest', this.pendingTxTracker.resubmitPendingTxs.bind(this.pendingTxTracker))
-    })
+    this.blockTracker.on('latest', this.pendingTxTracker.resubmitPendingTxs.bind(this.pendingTxTracker))
     this.blockTracker.on('sync', this.pendingTxTracker.queryPendingTxs.bind(this.pendingTxTracker))
     // memstore is computed from a few different stores
     this._updateMemstore()
@@ -177,14 +170,14 @@ module.exports = class TransactionController extends EventEmitter {
     const txParams = txMeta.txParams
     // ensure value
     const gasPrice = txParams.gasPrice || await this.query.gasPrice()
-    txParams.value = txParams.value || '0x0'
     txParams.gasPrice = ethUtil.addHexPrefix(gasPrice.toString(16))
+    txParams.value = txParams.value || '0x0'
     // set gasLimit
     return await this.txGasUtil.analyzeGasUsage(txMeta)
   }
 
   async updateAndApproveTransaction (txMeta) {
-    this.txStateManager.updateTx(txMeta)
+    this.txStateManager.updateTx(txMeta, 'confTx: user approved transaction')
     await this.approveTransaction(txMeta.id)
   }
 
@@ -202,7 +195,7 @@ module.exports = class TransactionController extends EventEmitter {
       txMeta.txParams.nonce = ethUtil.addHexPrefix(nonceLock.nextNonce.toString(16))
       // add nonce debugging information to txMeta
       txMeta.nonceDetails = nonceLock.nonceDetails
-      this.txStateManager.updateTx(txMeta)
+      this.txStateManager.updateTx(txMeta, 'transactions#approveTransaction')
       // sign transaction
       const rawTx = await this.signTransaction(txId)
       await this.publishTransaction(txId, rawTx)
@@ -233,7 +226,7 @@ module.exports = class TransactionController extends EventEmitter {
   async publishTransaction (txId, rawTx) {
     const txMeta = this.txStateManager.getTx(txId)
     txMeta.rawTx = rawTx
-    this.txStateManager.updateTx(txMeta)
+    this.txStateManager.updateTx(txMeta, 'transactions#publishTransaction')
     const txHash = await this.query.sendRawTransaction(rawTx)
     this.setTxHash(txId, txHash)
     this.txStateManager.setTxStatusSubmitted(txId)
@@ -248,7 +241,7 @@ module.exports = class TransactionController extends EventEmitter {
     // Add the tx hash to the persisted meta-tx object
     const txMeta = this.txStateManager.getTx(txId)
     txMeta.hash = txHash
-    this.txStateManager.updateTx(txMeta)
+    this.txStateManager.updateTx(txMeta, 'transactions#setTxHash')
   }
 
 //
diff --git a/app/scripts/lib/pending-tx-tracker.js b/app/scripts/lib/pending-tx-tracker.js
index b97cec9ce..3d358b00e 100644
--- a/app/scripts/lib/pending-tx-tracker.js
+++ b/app/scripts/lib/pending-tx-tracker.js
@@ -1,6 +1,5 @@
 const EventEmitter = require('events')
 const EthQuery = require('ethjs-query')
-const sufficientBalance = require('./util').sufficientBalance
 /*
 
   Utility class for tracking the transactions as they
@@ -12,7 +11,6 @@ const sufficientBalance = require('./util').sufficientBalance
   requires a: {
     provider: //,
     nonceTracker: //see nonce tracker,
-    getBalnce: //(address) a function for getting balances,
     getPendingTransactions: //() a function for getting an array of transactions,
     publishTransaction: //(rawTx) a async function for publishing raw transactions,
   }
@@ -25,7 +23,6 @@ module.exports = class PendingTransactionTracker extends EventEmitter {
     this.query = new EthQuery(config.provider)
     this.nonceTracker = config.nonceTracker
     this.retryLimit = config.retryLimit || Infinity
-    this.getBalance = config.getBalance
     this.getPendingTransactions = config.getPendingTransactions
     this.publishTransaction = config.publishTransaction
   }
@@ -99,23 +96,11 @@ module.exports = class PendingTransactionTracker extends EventEmitter {
   }
 
   async _resubmitTx (txMeta) {
-    const address = txMeta.txParams.from
-    const balance = this.getBalance(address)
-    if (balance === undefined) return
-
     if (txMeta.retryCount > this.retryLimit) {
       const err = new Error(`Gave up submitting after ${this.retryLimit} blocks un-mined.`)
       return this.emit('tx:failed', txMeta.id, err)
     }
 
-    // if the value of the transaction is greater then the balance, fail.
-    if (!sufficientBalance(txMeta.txParams, balance)) {
-      const insufficientFundsError = new Error('Insufficient balance during rebroadcast.')
-      this.emit('tx:failed', txMeta.id, insufficientFundsError)
-      log.error(insufficientFundsError)
-      return
-    }
-
     // Only auto-submit already-signed txs:
     if (!('rawTx' in txMeta)) return
 
diff --git a/app/scripts/lib/tx-state-history-helper.js b/app/scripts/lib/tx-state-history-helper.js
index 304069d57..db6e3bc9f 100644
--- a/app/scripts/lib/tx-state-history-helper.js
+++ b/app/scripts/lib/tx-state-history-helper.js
@@ -20,11 +20,15 @@ function migrateFromSnapshotsToDiffs(longHistory) {
   )
 }
 
-function generateHistoryEntry(previousState, newState) {
-  return jsonDiffer.compare(previousState, newState)
+function generateHistoryEntry(previousState, newState, note) {
+  const entry = jsonDiffer.compare(previousState, newState)
+  // Add a note to the first op, since it breaks if we append it to the entry
+  if (note && entry[0]) entry[0].note = note
+  return entry
 }
 
-function replayHistory(shortHistory) {
+function replayHistory(_shortHistory) {
+  const shortHistory = clone(_shortHistory)
   return shortHistory.reduce((val, entry) => jsonDiffer.applyPatch(val, entry).newDocument)
 }
 
diff --git a/app/scripts/lib/tx-state-manager.js b/app/scripts/lib/tx-state-manager.js
index abb9d7910..cf8117864 100644
--- a/app/scripts/lib/tx-state-manager.js
+++ b/app/scripts/lib/tx-state-manager.js
@@ -82,7 +82,7 @@ module.exports = class TransactionStateManger extends EventEmitter {
     return txMeta
   }
 
-  updateTx (txMeta) {
+  updateTx (txMeta, note) {
     if (txMeta.txParams) {
       Object.keys(txMeta.txParams).forEach((key) => {
         let value = txMeta.txParams[key]
@@ -96,8 +96,8 @@ module.exports = class TransactionStateManger extends EventEmitter {
     // recover previous tx state obj
     const previousState = txStateHistoryHelper.replayHistory(txMeta.history)
     // generate history entry and add to history
-    const entry = txStateHistoryHelper.generateHistoryEntry(previousState, currentState)
-   txMeta.history.push(entry)
+    const entry = txStateHistoryHelper.generateHistoryEntry(previousState, currentState, note)
+    txMeta.history.push(entry)
 
     // commit txMeta to state
     const txId = txMeta.id
@@ -113,7 +113,7 @@ module.exports = class TransactionStateManger extends EventEmitter {
   updateTxParams (txId, txParams) {
     const txMeta = this.getTx(txId)
     txMeta.txParams = extend(txMeta.txParams, txParams)
-    this.updateTx(txMeta)
+    this.updateTx(txMeta, `txStateManager#updateTxParams`)
   }
 
 /*
@@ -233,7 +233,7 @@ module.exports = class TransactionStateManger extends EventEmitter {
     if (status === 'submitted' || status === 'rejected') {
       this.emit(`${txMeta.id}:finished`, txMeta)
     }
-    this.updateTx(txMeta)
+    this.updateTx(txMeta, `txStateManager: setting status to ${status}`)
     this.emit('update:badge')
   }
 
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 0eeb708fc..fcd74e499 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -101,6 +101,14 @@ module.exports = class MetamaskController extends EventEmitter {
       encryptor: opts.encryptor || undefined,
     })
 
+    // If only one account exists, make sure it is selected.
+    this.keyringController.store.subscribe((state) => {
+      const addresses = Object.keys(state.walletNicknames || {})
+      if (addresses.length === 1) {
+        const address = addresses[0]
+        this.preferencesController.setSelectedAddress(address)
+      }
+    })
     this.keyringController.on('newAccount', (address) => {
       this.preferencesController.setSelectedAddress(address)
       this.accountTracker.addAccount(address)
@@ -125,7 +133,6 @@ module.exports = class MetamaskController extends EventEmitter {
       provider: this.provider,
       blockTracker: this.blockTracker,
       ethQuery: this.ethQuery,
-      accountTracker: this.accountTracker,
     })
     this.txController.on('newUnaprovedTx', opts.showUnapprovedTx.bind(opts))
 
@@ -212,19 +219,18 @@ module.exports = class MetamaskController extends EventEmitter {
   //
 
   initializeProvider () {
-    return this.networkController.initializeProvider({
+    const providerOpts = {
       static: {
         eth_syncing: false,
         web3_clientVersion: `MetaMask/v${version}`,
       },
-      // rpc data source
-      rpcUrl: this.networkController.getCurrentRpcAddress(),
       originHttpHeaderKey: 'X-Metamask-Origin',
       // 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)
@@ -238,7 +244,9 @@ module.exports = class MetamaskController extends EventEmitter {
       // personal_sign msg signing
       processPersonalMessage: this.newUnsignedPersonalMessage.bind(this),
       processTypedMessage: this.newUnsignedTypedMessage.bind(this),
-    })
+    }
+    const providerProxy = this.networkController.initializeProvider(providerOpts)
+    return providerProxy
   }
 
   initPublicConfigStore () {
@@ -308,13 +316,14 @@ module.exports = class MetamaskController extends EventEmitter {
     const txController = this.txController
     const noticeController = this.noticeController
     const addressBookController = this.addressBookController
+    const networkController = this.networkController
 
     return {
       // etc
       getState: (cb) => cb(null, this.getState()),
-      setProviderType: this.networkController.setProviderType.bind(this.networkController),
       setCurrentCurrency: this.setCurrentCurrency.bind(this),
       markAccountsFound: this.markAccountsFound.bind(this),
+
       // coinbase
       buyEth: this.buyEth.bind(this),
       // shapeshift
@@ -329,12 +338,14 @@ module.exports = class MetamaskController extends EventEmitter {
       // vault management
       submitPassword: this.submitPassword.bind(this),
 
+      // network management
+      setProviderType: nodeify(networkController.setProviderType, networkController),
+      setCustomRpc: nodeify(this.setCustomRpc, this),
+
       // PreferencesController
       setSelectedAddress: nodeify(preferencesController.setSelectedAddress, preferencesController),
       addToken: nodeify(preferencesController.addToken, preferencesController),
       setCurrentAccountTab: nodeify(preferencesController.setCurrentAccountTab, preferencesController),
-      setDefaultRpc: nodeify(this.setDefaultRpc, this),
-      setCustomRpc: nodeify(this.setCustomRpc, this),
 
       // AddressController
       setAddressBook: nodeify(addressBookController.setAddressBook, addressBookController),
@@ -732,19 +743,13 @@ module.exports = class MetamaskController extends EventEmitter {
   createShapeShiftTx (depositAddress, depositType) {
     this.shapeshiftController.createShapeShiftTx(depositAddress, depositType)
   }
-// network
 
-  setDefaultRpc () {
-    this.networkController.setRpcTarget('http://localhost:8545')
-    return Promise.resolve('http://localhost:8545')
-  }
+  // network
 
-  setCustomRpc (rpcTarget, rpcList) {
+  async setCustomRpc (rpcTarget, rpcList) {
     this.networkController.setRpcTarget(rpcTarget)
-
-    return this.preferencesController.updateFrequentRpcList(rpcTarget)
-    .then(() => {
-      return Promise.resolve(rpcTarget)
-    })
+    await this.preferencesController.updateFrequentRpcList(rpcTarget)
+    return rpcTarget
   }
+
 }
diff --git a/development/index.html b/development/index.html
index a0814cb55..e5a027447 100644
--- a/development/index.html
+++ b/development/index.html
@@ -3,62 +3,58 @@
   <head>
     <meta charset="utf-8">
     <title>MetaMask</title>
-
   </head>
   <body>
-
-    <!-- app content -->
-    <div id="app-content" style="height: 100%"></div>
     <script src="./bundle.js" type="text/javascript" charset="utf-8"></script>
+    
+    <style>
+      html, body, #test-container, .super-dev-container {
+        height: 100%;
+        width: 100%;
+        position: relative;
+        background: white;
+      }
+      #app-content {
+        background: #F7F7F7;
+      }
+    </style>
 
-  </body>
+    <script>
+      liveReloadCode(Date.now(), 300)
+      function liveReloadCode(lastUpdate, updateRate) {
+        setTimeout(iter, updateRate)
 
-<style>
-html, body, #test-container, .super-dev-container {
-  height: 100%;
-  width: 100%;
-  position: relative;
-  background: white;
-}
-#app-content {
-  background: #F7F7F7;
-}
-</style>
+        function iter() {
+          var xhr = new XMLHttpRequest()
 
-<script>
-liveReloadCode(Date.now(), 300)
-function liveReloadCode(lastUpdate, updateRate) {
-  setTimeout(iter, updateRate)
+          xhr.open('GET', '/-/live-reload')
+          xhr.onreadystatechange = function() {
+            if(xhr.readyState !== 4) {
+              return
+            }
 
-  function iter() {
-    var xhr = new XMLHttpRequest()
+            try {
+              var change = JSON.parse(xhr.responseText).lastUpdate
 
-    xhr.open('GET', '/-/live-reload')
-    xhr.onreadystatechange = function() {
-      if(xhr.readyState !== 4) {
-        return
-      }
+              if(lastUpdate < change) {
+                return reload()
+              }
+            } catch(err) {
+            }
 
-      try {
-        var change = JSON.parse(xhr.responseText).lastUpdate
+            xhr =
+            xhr.onreadystatechange = null
+            setTimeout(iter, updateRate)
+          }
 
-        if(lastUpdate < change) {
-          return reload()
+          xhr.send(null)
         }
-      } catch(err) {
       }
 
-      xhr =
-      xhr.onreadystatechange = null
-      setTimeout(iter, updateRate)
-    }
-
-    xhr.send(null)
-  }
-}
+      function reload() {
+        window.location.reload()
+      }
+    </script>
 
-function reload() {
-  window.location.reload()
-}
- </script>
+  </body>
 </html>
diff --git a/package.json b/package.json
index b9a38ac71..918531f15 100644
--- a/package.json
+++ b/package.json
@@ -141,7 +141,7 @@
     "valid-url": "^1.0.9",
     "vreme": "^3.0.2",
     "web3": "^0.20.1",
-    "web3-provider-engine": "^13.2.12",
+    "web3-provider-engine": "^13.3.1",
     "web3-stream-provider": "^3.0.1",
     "xtend": "^4.0.1"
   },
diff --git a/test/unit/pending-tx-test.js b/test/unit/pending-tx-test.js
index 1af464656..4da0eff5d 100644
--- a/test/unit/pending-tx-test.js
+++ b/test/unit/pending-tx-test.js
@@ -40,14 +40,12 @@ describe('PendingTransactionTracker', function () {
 
     pendingTxTracker = new PendingTransactionTracker({
       provider,
-      getBalance: () => {},
       nonceTracker: {
         getGlobalLock: async () => {
           return { releaseLock: () => {} }
         }
       },
       getPendingTransactions: () => {return []},
-      sufficientBalance: () => {},
       publishTransaction: () => {},
     })
   })
@@ -213,30 +211,7 @@ describe('PendingTransactionTracker', function () {
       pendingTxTracker.resubmitPendingTxs()
     })
   })
-  describe('#_resubmitTx with a too-low balance', function () {
-    it('should return before publishing the transaction because to low of balance', function (done) {
-    const lowBalance = '0x0'
-    pendingTxTracker.getBalance = (address) => {
-      assert.equal(address, txMeta.txParams.from, 'Should pass the address')
-      return lowBalance
-    }
-    pendingTxTracker.publishTransaction = async (rawTx) => {
-      done(new Error('tried to publish transaction'))
-    }
-
-    // Stubbing out current account state:
-    // Adding the fake tx:
-    pendingTxTracker.once('tx:failed', (txId, err) => {
-      assert(err, 'Should have a error')
-      done()
-    })
-    pendingTxTracker._resubmitTx(txMeta)
-    .catch((err) => {
-     assert.ifError(err, 'should not throw an error')
-     done(err)
-    })
-  })
-
+  describe('#_resubmitTx', function () {
     it('should publishing the transaction', function (done) {
     const enoughBalance = '0x100000'
     pendingTxTracker.getBalance = (address) => {
diff --git a/test/unit/tx-controller-test.js b/test/unit/tx-controller-test.js
index 66772ff88..bb51ab01f 100644
--- a/test/unit/tx-controller-test.js
+++ b/test/unit/tx-controller-test.js
@@ -25,7 +25,6 @@ describe('Transaction Controller', function () {
       networkStore: new ObservableStore(currentNetworkId),
       txHistoryLimit: 10,
       blockTracker: { getCurrentBlock: noop, on: noop, once: noop },
-      accountTracker: { store: { getState: noop } },
       signTransaction: (ethTx) => new Promise((resolve) => {
         ethTx.sign(privKey)
         resolve()
@@ -383,30 +382,6 @@ describe('Transaction Controller', function () {
     })
   })
 
-  describe('#getBalance', function () {
-    it('gets balance', function () {
-      sinon.stub(txController.accountTracker.store, 'getState').callsFake(() => {
-        return {
-          accounts: {
-            '0x1678a085c290ebd122dc42cba69373b5953b831d': {
-              address: '0x1678a085c290ebd122dc42cba69373b5953b831d',
-              balance: '0x00000000000000056bc75e2d63100000',
-              code: '0x',
-              nonce: '0x0',
-            },
-            '0xc684832530fcbddae4b4230a47e991ddcec2831d': {
-              address: '0xc684832530fcbddae4b4230a47e991ddcec2831d',
-              balance: '0x0',
-              code: '0x',
-              nonce: '0x0',
-            },
-          },
-        }
-      })
-      assert.equal(txController.pendingTxTracker.getBalance('0x1678a085c290ebd122dc42cba69373b5953b831d'), '0x00000000000000056bc75e2d63100000')
-      assert.equal(txController.pendingTxTracker.getBalance('0xc684832530fcbddae4b4230a47e991ddcec2831d'), '0x0')
-    })
-  })
 
   describe('#getPendingTransactions', function () {
     beforeEach(function () {
diff --git a/test/unit/tx-state-history-helper.js b/test/unit/tx-state-history-helper.js
index 5bb6c9bee..79ee26d6e 100644
--- a/test/unit/tx-state-history-helper.js
+++ b/test/unit/tx-state-history-helper.js
@@ -20,4 +20,27 @@ describe('tx-state-history-helper', function () {
       })
     })
   })
+
+  it('replaying history does not mutate the original obj', function () {
+    const initialState = { test: true, message: 'hello', value: 1 }
+    const diff1 = [{
+      "op": "replace",
+      "path": "/message",
+      "value": "haay",
+    }]
+    const diff2 = [{
+      "op": "replace",
+      "path": "/value",
+      "value": 2,
+    }]
+    const history = [initialState, diff1, diff2]
+
+    const beforeStateSnapshot = JSON.stringify(initialState)
+    const latestState = txStateHistoryHelper.replayHistory(history)
+    const afterStateSnapshot = JSON.stringify(initialState)
+
+    assert.notEqual(initialState, latestState, 'initial state is not the same obj as the latest state')
+    assert.equal(beforeStateSnapshot, afterStateSnapshot, 'initial state is not modified during run')
+  })
+
 })
diff --git a/ui-dev.js b/ui-dev.js
index de5dfd8ef..620d81667 100644
--- a/ui-dev.js
+++ b/ui-dev.js
@@ -61,30 +61,37 @@ const actions = {
 var css = MetaMaskUiCss()
 injectCss(css)
 
-const container = document.querySelector('#test-container')
-
 // parse opts
 var store = configureStore(states[selectedView])
 
 // start app
-render(
-  h('.super-dev-container', [
-
-    h(Selector, { actions, selectedKey: selectedView, states, store }),
-
-    h('#app-content', {
-      style: {
-        height: '500px',
-        width: '360px',
-        boxShadow: 'grey 0px 2px 9px',
-        margin: '20px',
-      },
-    }, [
-      h(Root, {
-       store: store,
-      }),
-    ]),
-
-  ]
-), container)
+startApp()
+
+function startApp(){
+  const body = document.body
+  const container = document.createElement('div')
+  container.id = 'test-container'
+  body.appendChild(container)
+
+  render(
+    h('.super-dev-container', [
+
+      h(Selector, { actions, selectedKey: selectedView, states, store }),
+
+      h('#app-content', {
+        style: {
+          height: '500px',
+          width: '360px',
+          boxShadow: 'grey 0px 2px 9px',
+          margin: '20px',
+        },
+      }, [
+        h(Root, {
+         store: store,
+        }),
+      ]),
+
+    ]
+  ), container)
+}
 
diff --git a/ui/app/actions.js b/ui/app/actions.js
index 84a1b8dcc..84990922e 100644
--- a/ui/app/actions.js
+++ b/ui/app/actions.js
@@ -121,14 +121,11 @@ var actions = {
   SET_RPC_TARGET: 'SET_RPC_TARGET',
   SET_DEFAULT_RPC_TARGET: 'SET_DEFAULT_RPC_TARGET',
   SET_PROVIDER_TYPE: 'SET_PROVIDER_TYPE',
-  USE_ETHERSCAN_PROVIDER: 'USE_ETHERSCAN_PROVIDER',
-  useEtherscanProvider: useEtherscanProvider,
   showConfigPage,
   SHOW_ADD_TOKEN_PAGE: 'SHOW_ADD_TOKEN_PAGE',
   showAddTokenPage,
   addToken,
   setRpcTarget: setRpcTarget,
-  setDefaultRpcTarget: setDefaultRpcTarget,
   setProviderType: setProviderType,
   // loading overlay
   SHOW_LOADING: 'SHOW_LOADING_INDICATION',
@@ -733,16 +730,19 @@ function markAccountsFound () {
 // config
 //
 
-// default rpc target refers to localhost:8545 in this instance.
-function setDefaultRpcTarget () {
-  log.debug(`background.setDefaultRpcTarget`)
+function setProviderType (type) {
   return (dispatch) => {
-    background.setDefaultRpc((err, result) => {
+    log.debug(`background.setProviderType`)
+    background.setProviderType(type, (err, result) => {
       if (err) {
         log.error(err)
-        return dispatch(self.displayWarning('Had a problem changing networks.'))
+        return dispatch(self.displayWarning('Had a problem changing networks!'))
       }
     })
+    return {
+      type: actions.SET_PROVIDER_TYPE,
+      value: type,
+    }
   }
 }
 
@@ -771,23 +771,6 @@ function addToAddressBook (recipient, nickname) {
   }
 }
 
-function setProviderType (type) {
-  log.debug(`background.setProviderType`)
-  background.setProviderType(type)
-  return {
-    type: actions.SET_PROVIDER_TYPE,
-    value: type,
-  }
-}
-
-function useEtherscanProvider () {
-  log.debug(`background.useEtherscanProvider`)
-  background.useEtherscanProvider()
-  return {
-    type: actions.USE_ETHERSCAN_PROVIDER,
-  }
-}
-
 function showLoadingIndication (message) {
   return {
     type: actions.SHOW_LOADING,
diff --git a/ui/app/app.js b/ui/app/app.js
index ee800ea90..50121b055 100644
--- a/ui/app/app.js
+++ b/ui/app/app.js
@@ -319,7 +319,7 @@ App.prototype.renderNetworkDropdown = function () {
       {
         key: 'default',
         closeMenu: () => this.setState({ isNetworkMenuOpen: !isOpen }),
-        onClick: () => props.dispatch(actions.setDefaultRpcTarget()),
+        onClick: () => props.dispatch(actions.setProviderType('localhost')),
         style: {
           fontSize: '18px',
         },