From df63d72ceaaea8d043b61a71b49c56d9289feeae Mon Sep 17 00:00:00 2001
From: Zhiting Lin <zlin035@uottawa.ca>
Date: Fri, 13 Nov 2020 10:07:39 +0800
Subject: [PATCH] update the derivation path are null.

---
 src/utils/account.js                     | 1 -
 src/utils/transaction/signTransaction.js | 6 ++++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/utils/account.js b/src/utils/account.js
index ceecac5..29001ac 100644
--- a/src/utils/account.js
+++ b/src/utils/account.js
@@ -3,5 +3,4 @@ import {decryptKey} from './key/keystore';
 export function restoreFromKeyStore(v3Keystore, password){
     const key = decryptKey(v3Keystore, password)
     return key.xPub;
-
 }
diff --git a/src/utils/transaction/signTransaction.js b/src/utils/transaction/signTransaction.js
index 5244edb..6fa4537 100644
--- a/src/utils/transaction/signTransaction.js
+++ b/src/utils/transaction/signTransaction.js
@@ -12,8 +12,10 @@ function signTransaction(transaction, password, keyJSON)  {
     for(let k = 0; k<tx.signingInstructions.length; k++){
         const v = tx.signingInstructions[k];
         let path = [];
-        for(let i = 0; i< v.derivationPath.length; i++ ){
-            path[i] = Buffer.from(v.derivationPath[i],"hex");
+        if(v.derivationPath){
+            for(let i = 0; i< v.derivationPath.length; i++ ){
+                path[i] = Buffer.from(v.derivationPath[i],"hex");
+            }
         }
         for(let d of v.signData ){
 
-- 
2.11.0