Fix bug where resetAccount does not clear network cache

Fixes #3439

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## Current Master
 
+- Fix bug where the "Reset account" feature would not clear the network cache.
+
 ## 4.4.0 Mon Mar 26 2018
 
 - Internationalization: Taiwanese, Thai, Slovenian

app/scripts/metamask-controller.js

@@ -365,7 +365,7 @@ module.exports = class MetamaskController extends EventEmitter {
       placeSeedWords: this.placeSeedWords.bind(this),
       verifySeedPhrase: nodeify(this.verifySeedPhrase, this),
       clearSeedWordCache: this.clearSeedWordCache.bind(this),
-      resetAccount: this.resetAccount.bind(this),
+      resetAccount: nodeify(this.resetAccount, this),
       importAccountWithStrategy: this.importAccountWithStrategy.bind(this),
 
       // vault management
@@ -583,10 +583,15 @@ module.exports = class MetamaskController extends EventEmitter {
   /**
    * ?
    */
-  resetAccount (cb) {
+  async resetAccount (cb) {
     const selectedAddress = this.preferencesController.getSelectedAddress()
     this.txController.wipeTransactions(selectedAddress)
-    cb(null, selectedAddress)
+
+    const networkController = this.networkController
+    const oldType = networkController.getProvoderConfig().type
+    await networkController.setProviderType(oldType, true)
+
+    return selectedAddress
   }
 
   /**