From eccd52f4cc0798c1990ff41fca9c58e424d58f50 Mon Sep 17 00:00:00 2001
From: jl777 <jameslee777@yahoo.com>
Date: Thu, 9 Aug 2018 18:59:18 -1100
Subject: [PATCH] Check for duplicate utxo in available coins

---
 src/cc/CCtx.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/cc/CCtx.cpp b/src/cc/CCtx.cpp
index 666132590..072f86877 100644
--- a/src/cc/CCtx.cpp
+++ b/src/cc/CCtx.cpp
@@ -272,6 +272,11 @@ uint64_t AddNormalinputs(CMutableTransaction &mtx,CPubKey mypk,uint64_t total,in
                     break;
             if ( i != mtx.vin.size() )
                 continue;
+            for (i=0; i<n; i++)
+                if ( txid == utxos[i].txid && vout == utxos[i].vout )
+                    break;
+            if ( i != n )
+                continue;
             if ( myIsutxo_spentinmempool(txid,vout) == 0 )
             {
                 up = &utxos[n++];