From 5592b62b2d130be8016b28cd6e8c87d30ae5ee7f Mon Sep 17 00:00:00 2001
From: barakman <barakman@yahoo.com>
Date: Thu, 19 Jul 2018 12:42:43 +0300
Subject: [PATCH] Function replaceOwner can add a null owner

Ensure that function replaceOwner does not add a null owner
---
 contracts/MultiSigWallet.sol | 1 +
 1 file changed, 1 insertion(+)

diff --git a/contracts/MultiSigWallet.sol b/contracts/MultiSigWallet.sol
index 4b200693..9910ca15 100644
--- a/contracts/MultiSigWallet.sol
+++ b/contracts/MultiSigWallet.sol
@@ -158,6 +158,7 @@ contract MultiSigWallet {
         onlyWallet
         ownerExists(owner)
         ownerDoesNotExist(newOwner)
+        notNull(newOwner)
     {
         for (uint i=0; i<owners.length; i++)
             if (owners[i] == owner) {