From c1243f1beafbdd2acb557ec90132c84e07e24532 Mon Sep 17 00:00:00 2001
From: jl777 <jameslee777@yahoo.com>
Date: Fri, 12 Jul 2019 03:05:18 -1100
Subject: [PATCH] Add error check to getscriptaddress

---
 src/cc/CCutils.cpp | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/cc/CCutils.cpp b/src/cc/CCutils.cpp
index 2430a9b37..3501b8652 100644
--- a/src/cc/CCutils.cpp
+++ b/src/cc/CCutils.cpp
@@ -208,10 +208,14 @@ void CCaddrTokens1of2set(struct CCcontract_info *cp, CPubKey pk1, CPubKey pk2, u
 bool Getscriptaddress(char *destaddr,const CScript &scriptPubKey)
 {
     CTxDestination address; txnouttype whichType;
-    if ( ExtractDestination(scriptPubKey,address) != 0 )
+    destaddr[0] = 0;
+    if ( scriptPubKey.begin() != 0 )
     {
-        strcpy(destaddr,(char *)CBitcoinAddress(address).ToString().c_str());
-        return(true);
+        if ( ExtractDestination(scriptPubKey,address) != 0 )
+        {
+            strcpy(destaddr,(char *)CBitcoinAddress(address).ToString().c_str());
+            return(true);
+        }
     }
     //fprintf(stderr,"ExtractDestination failed\n");
     return(false);