From d5013b88105e248e0588d37eedf8f58cc9de2ba3 Mon Sep 17 00:00:00 2001
From: HenryNguyen5 <ngu.henry@hotmail.com>
Date: Mon, 21 May 2018 14:11:08 -0400
Subject: [PATCH] Strip hex prefix for bytes inputs (#1811)

---
 common/libs/contracts/ABIFunction.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/libs/contracts/ABIFunction.ts b/common/libs/contracts/ABIFunction.ts
index 54502edd..3240e652 100644
--- a/common/libs/contracts/ABIFunction.ts
+++ b/common/libs/contracts/ABIFunction.ts
@@ -1,5 +1,5 @@
 import abi from 'ethereumjs-abi';
-import { toChecksumAddress, addHexPrefix } from 'ethereumjs-util';
+import { toChecksumAddress, addHexPrefix, stripHexPrefix } from 'ethereumjs-util';
 import BN from 'bn.js';
 import {
   FuncParams,
@@ -97,7 +97,7 @@ export default class AbiFunction {
 
   private parsePreEncodedValue = (type: string, value: any) => {
     if (type === 'bytes') {
-      return Buffer.from(value, 'hex');
+      return Buffer.from(stripHexPrefix(value), 'hex');
     }
     return BN.isBN(value) ? value.toString() : value;
   };