From 9ced63584bc93cf6ac82786dec0984b5022346ae Mon Sep 17 00:00:00 2001
From: Dan <danjm.com@gmail.com>
Date: Wed, 20 Dec 2017 19:06:58 -0330
Subject: [PATCH] Add constanst for token transfer function signature.

---
 ui/app/components/send/send-constants.js | 3 +++
 ui/app/send-v2.js                        | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/ui/app/components/send/send-constants.js b/ui/app/components/send/send-constants.js
index 9c240972f..b3ee0899a 100644
--- a/ui/app/components/send/send-constants.js
+++ b/ui/app/components/send/send-constants.js
@@ -20,6 +20,8 @@ const MIN_GAS_TOTAL = multiplyCurrencies(MIN_GAS_LIMIT_HEX, MIN_GAS_PRICE_HEX, {
   multiplierBase: 16,
 })
 
+const TOKEN_TRANSFER_FUNCTION_SIGNATURE = '0xa9059cbb'
+
 module.exports = {
   MIN_GAS_PRICE_GWEI,
   MIN_GAS_PRICE_HEX,
@@ -27,4 +29,5 @@ module.exports = {
   MIN_GAS_LIMIT_HEX,
   MIN_GAS_LIMIT_DEC,
   MIN_GAS_TOTAL,
+  TOKEN_TRANSFER_FUNCTION_SIGNATURE,
 }
diff --git a/ui/app/send-v2.js b/ui/app/send-v2.js
index 1c0ff3aea..cf9e709d4 100644
--- a/ui/app/send-v2.js
+++ b/ui/app/send-v2.js
@@ -14,6 +14,7 @@ const GasFeeDisplay = require('./components/send/gas-fee-display-v2')
 
 const {
   MIN_GAS_TOTAL,
+  TOKEN_TRANSFER_FUNCTION_SIGNATURE,
 } = require('./components/send/send-constants')
 
 const {
@@ -574,7 +575,7 @@ SendTransactionScreen.prototype.getEditedTx = function () {
   }
 
   if (selectedToken) {
-    const data = '0xa9059cbb' + Array.prototype.map.call(
+    const data = TOKEN_TRANSFER_FUNCTION_SIGNATURE + Array.prototype.map.call(
       ethAbi.rawEncode(['address', 'uint256'], [to, ethUtil.addHexPrefix(amount)]),
       x => ('00' + x.toString(16)).slice(-2)
     ).join('')