Migrate etherscan configs to our new production RPC.

app/scripts/background.js

@@ -48,7 +48,6 @@ var providerOpts = {
   },
   approveTransaction: addUnconfirmedTx,
   signTransaction: idStore.signTransaction.bind(idStore),
-  etherscan: providerConfig.type === 'etherscan',
 }
 var provider = MetaMaskProvider(providerOpts)
 

app/scripts/lib/config-manager.js

@@ -2,7 +2,9 @@ const Migrator = require('pojo-migrator')
 const extend = require('xtend')
 
 const STORAGE_KEY = 'metamask-config'
-var DEFAULT_RPC = 'https://rawtestrpc.metamask.io/'
+const DEFAULT_RPC = 'https://rawtestrpc.metamask.io/'
+
+const migrations = require('./migrations')
 
 /* The config-manager is a convenience object
  * wrapping a pojo-migrator.
@@ -28,7 +30,7 @@ function ConfigManager() {
     //
     // The `migrate` function receives the previous
     // config data format, and returns the new one.
-    migrations: [],
+    migrations: migrations,
 
     // How to load initial config.
     // Includes step on migrating pre-pojo-migrator data.
@@ -134,7 +136,9 @@ function loadData() {
   } catch (e) {}
 
   var data = extend({
+    meta: {
       version: 0,
+    },
     data: {
       config: {
         rpcTarget: DEFAULT_RPC,

app/scripts/lib/migrations.js

@@ -0,0 +1,8 @@
+var path = require('path')
+var fs = require('fs')
+
+var migration2 = require('../migrations/002')
+
+module.exports = [
+  migration2,
+]