From 975f7279c713d88bb59205073540b2185f3a812f Mon Sep 17 00:00:00 2001
From: Dan Finlay <dan@danfinlay.com>
Date: Mon, 18 Dec 2017 15:57:04 -0800
Subject: Allow updating token details

Fixes #2173
---
 app/scripts/controllers/preferences.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'app')

diff --git a/app/scripts/controllers/preferences.js b/app/scripts/controllers/preferences.js
index bc4848421..c42f47037 100644
--- a/app/scripts/controllers/preferences.js
+++ b/app/scripts/controllers/preferences.js
@@ -26,23 +26,23 @@ class PreferencesController {
     return this.store.getState().selectedAddress
   }
 
-  addToken (rawAddress, symbol, decimals) {
+  async addToken (rawAddress, symbol, decimals) {
     const address = normalizeAddress(rawAddress)
     const newEntry = { address, symbol, decimals }
 
     const tokens = this.store.getState().tokens
-    const previousIndex = tokens.find((token, index) => {
+    const previousEntry = tokens.find((token, index) => {
       return token.address === address
     })
+    const previousIndex = tokens.indexOf(previousEntry)
 
-    if (previousIndex) {
+    if (previousEntry) {
       tokens[previousIndex] = newEntry
     } else {
       tokens.push(newEntry)
     }
 
     this.store.updateState({ tokens })
-    return Promise.resolve()
   }
 
   getTokens () {
-- 
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