From 21205542c1c01988d6d968d52905ae7355732f0f Mon Sep 17 00:00:00 2001
From: Alex Step <alex.step.kellas@gmail.com>
Date: Tue, 14 Nov 2017 15:21:13 +0200
Subject: [PATCH] fix signHash

---
 src/model/Eth/Wallet.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/model/Eth/Wallet.js b/src/model/Eth/Wallet.js
index 551eba8..80f3f91 100644
--- a/src/model/Eth/Wallet.js
+++ b/src/model/Eth/Wallet.js
@@ -258,7 +258,15 @@ export default class Wallet {
 
 	signHash(hash){
 		if (!_privkey) return false
-		return signHash(hash, _privkey)
+
+		hash = Utils.add0x(hash)
+		if (this.web3.utils.isHexStrict(hash)) {
+			console.log(hash+' is not correct hex')
+			console.log('Use DCLib.Utils.makeSeed or Utils.soliditySHA3(your_args) to create valid hash')
+			throw new Error('invalid hash')
+		}
+
+		return signHash(hash, Utils.add0x(_privkey))
 	}
 
 }