From 4b8be94f5102fb3082a3a671658224eee74832f3 Mon Sep 17 00:00:00 2001
From: kumavis <aaron@kumavis.me>
Date: Sat, 20 Feb 2016 12:13:18 -0800
Subject: [PATCH] web3-provider - add nonce tracker

---
 app/scripts/background.js            | 4 ++--
 app/scripts/lib/metamask-provider.js | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/app/scripts/background.js b/app/scripts/background.js
index 01df16541..8572d53a3 100644
--- a/app/scripts/background.js
+++ b/app/scripts/background.js
@@ -4,7 +4,6 @@ const extend = require('xtend')
 const EthStore = require('eth-store')
 const PortStream = require('./lib/port-stream.js')
 const MetaMaskProvider = require('./lib/metamask-provider')
-// const IdentityManager = require('./lib/idmgmt')
 const IdentityStore = require('./lib/idStore')
 
 console.log('ready to roll')
@@ -41,7 +40,8 @@ var zeroClient = MetaMaskProvider({
     var result = selectedAddress ? [selectedAddress] : []
     cb(null, result)
   },
-  signTransaction: idStore.addUnconfirmedTransaction.bind(idStore),
+  approveTx: idStore.addUnconfirmedTransaction.bind(idStore),
+  signTransaction: idStore.signTransaction.bind(idStore),
 })
 var ethStore = new EthStore(zeroClient)
 idStore.setStore(ethStore)
diff --git a/app/scripts/lib/metamask-provider.js b/app/scripts/lib/metamask-provider.js
index 45da06dcd..589ea0fad 100644
--- a/app/scripts/lib/metamask-provider.js
+++ b/app/scripts/lib/metamask-provider.js
@@ -1,4 +1,5 @@
 const ProviderEngine = require('web3-provider-engine')
+const NonceTrackerSubprovider = require('web3-provider-engine/subproviders/nonce-tracker.js')
 const CacheSubprovider = require('web3-provider-engine/subproviders/cache.js')
 const FixtureSubprovider = require('web3-provider-engine/subproviders/fixture.js')
 const FilterSubprovider = require('web3-provider-engine/subproviders/filters.js')
@@ -12,6 +13,9 @@ function metamaskProvider(opts){
 
   var engine = new ProviderEngine()
 
+  // nonce tracker
+  engine.addProvider(new NonceTrackerSubprovider())
+
   // cache layer
   engine.addProvider(new CacheSubprovider())
 
@@ -33,6 +37,7 @@ function metamaskProvider(opts){
   // id mgmt
   engine.addProvider(new HookedWalletSubprovider({
     getAccounts: opts.getAccounts,
+    approveTx: opts.approveTx,
     signTransaction: opts.signTransaction,
   }))