Fix account nicknaming bug

When nicknaming, we weren't normalizing the input, and so we were retrieving with differently formatted addresses than we were persisting.

app/scripts/keyring-controller.js

@@ -250,7 +250,7 @@ module.exports = class KeyringController extends EventEmitter {
       address,
       name,
     }
-    this.saveAccountLabel(address, name)
+    return this.saveAccountLabel(address, name)
   }
 
   saveAccountLabel (account, label, cb) {
@@ -259,6 +259,8 @@ module.exports = class KeyringController extends EventEmitter {
     configManager.setNicknameForWallet(address, label)
     if (cb) {
       cb(null, label)
+    } else {
+      return label
     }
   }
 
@@ -270,6 +272,7 @@ module.exports = class KeyringController extends EventEmitter {
         data: k.serialize(),
       }
     })
+
     return this.encryptor.encryptWithKey(this.key, serialized)
     .then((encryptedString) => {
       this.configManager.setVault(encryptedString)

app/scripts/lib/config-manager.js

@@ -269,13 +269,15 @@ ConfigManager.prototype.getWalletNicknames = function () {
 }
 
 ConfigManager.prototype.nicknameForWallet = function (account) {
+  const address = ethUtil.addHexPrefix(account.toLowerCase())
   const nicknames = this.getWalletNicknames()
-  return nicknames[account]
+  return nicknames[address]
 }
 
 ConfigManager.prototype.setNicknameForWallet = function (account, nickname) {
+  const address = ethUtil.addHexPrefix(account.toLowerCase())
   const nicknames = this.getWalletNicknames()
-  nicknames[account] = nickname
+  nicknames[address] = nickname
   var data = this.getData()
   data.walletNicknames = nicknames
   this.setData(data)

test/unit/keyring-controller-test.js

@@ -105,6 +105,17 @@ describe('KeyringController', function() {
     })
   })
 
+  describe('#saveAccountLabel', function() {
+    it ('sets the nickname', function() {
+      const account = addresses[0]
+      var nick = 'Test nickname'
+      const label = keyringController.saveAccountLabel(account, nick)
+      assert.equal(label, nick)
+
+      const persisted = keyringController.configManager.nicknameForWallet(account)
+      assert.equal(persisted, nick)
+    })
+  })
 })