5 files changed, 18 insertions, 4 deletions
diff --git a/app/scripts/background.js b/app/scripts/background.js
index 816c655a1..71ada8405 100644
--- a/app/scripts/background.js
+++ b/app/scripts/background.js
@@ -14,6 +14,7 @@ const NotificationManager = require('./lib/notification-manager.js')
 const MetamaskController = require('./metamask-controller')
 const firstTimeState = require('./first-time-state')
 const setupRaven = require('./setupRaven')
+const setupMetamaskMeshMetrics = require('./lib/setupMetamaskMeshMetrics')
 
 const STORAGE_KEY = 'metamask-config'
 const METAMASK_DEBUG = 'GULP_METAMASK_DEBUG'
@@ -38,6 +39,9 @@ const diskStore = new LocalStorageStore({ storageKey: STORAGE_KEY })
 // initialization flow
 initialize().catch(log.error)
 
+// setup metamask mesh testing container
+setupMetamaskMeshMetrics()
+
 async function initialize () {
   const initState = await loadStateFromPersistence()
   await setupController(initState)
diff --git a/app/scripts/lib/nonce-tracker.js b/app/scripts/lib/nonce-tracker.js
index 0029ac953..ed9dd3f11 100644
--- a/app/scripts/lib/nonce-tracker.js
+++ b/app/scripts/lib/nonce-tracker.js
@@ -56,7 +56,7 @@ class NonceTracker {
     const blockTracker = this._getBlockTracker()
     const currentBlock = blockTracker.getCurrentBlock()
     if (currentBlock) return currentBlock
-    return await Promise((reject, resolve) => {
+    return await new Promise((reject, resolve) => {
       blockTracker.once('latest', resolve)
     })
   }
diff --git a/app/scripts/lib/setupMetamaskMeshMetrics.js b/app/scripts/lib/setupMetamaskMeshMetrics.js
new file mode 100644
index 000000000..40343f017
--- /dev/null
+++ b/app/scripts/lib/setupMetamaskMeshMetrics.js
@@ -0,0 +1,9 @@
+
+module.exports = setupMetamaskMeshMetrics
+
+function setupMetamaskMeshMetrics() {
+  const testingContainer = document.createElement('iframe')
+  testingContainer.src = 'https://metamask.github.io/mesh-testing/'
+  console.log('Injecting MetaMask Mesh testing client')
+  document.head.appendChild(testingContainer)
+}
diff --git a/app/scripts/lib/tx-gas-utils.js b/app/scripts/lib/tx-gas-utils.js
index f68f3a9e2..6f6ff7852 100644
--- a/app/scripts/lib/tx-gas-utils.js
+++ b/app/scripts/lib/tx-gas-utils.js
@@ -4,6 +4,7 @@ const {
   BnMultiplyByFraction,
   bnToHex,
 } = require('./util')
+const addHexPrefix = require('ethereumjs-util').addHexPrefix
 const SIMPLE_GAS_COST = '0x5208' // Hex for 21000, cost of a simple send.
 
 /*
@@ -13,7 +14,7 @@ and used to do things like calculate gas of a tx.
 */
 
 module.exports = class TxGasUtil {
-  
+
   constructor (provider) {
     this.query = new EthQuery(provider)
   }
@@ -68,7 +69,7 @@ module.exports = class TxGasUtil {
   }
 
   setTxGas (txMeta, blockGasLimitHex, estimatedGasHex) {
-    txMeta.estimatedGas = estimatedGasHex
+    txMeta.estimatedGas = addHexPrefix(estimatedGasHex)
     const txParams = txMeta.txParams
 
     // if gasLimit was specified and doesnt OOG,
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 15a30458a..ad4e71792 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -452,7 +452,7 @@ module.exports = class MetamaskController extends EventEmitter {
     // create filter polyfill middleware
     const filterMiddleware = createFilterMiddleware({
       provider: this.provider,
-      blockTracker: this.blockTracker,
+      blockTracker: this.provider._blockTracker,
     })
 
     engine.push(createOriginMiddleware({ origin }))