From 3b1ac738bdeb90bd20b18e00ea3dcd91b7e0775c Mon Sep 17 00:00:00 2001
From: blackjok3r <blackjok3r@gmail.com>
Date: Tue, 9 Oct 2018 14:45:46 +0800
Subject: [PATCH] Fixed finally

---
 iguana/dpow/dpow_fsm.c | 13 ++++++-------
 iguana/dpow/dpow_rpc.c |  5 +++--
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/iguana/dpow/dpow_fsm.c b/iguana/dpow/dpow_fsm.c
index 47fa7d6a2..3153a5213 100755
--- a/iguana/dpow/dpow_fsm.c
+++ b/iguana/dpow/dpow_fsm.c
@@ -507,25 +507,24 @@ void dpow_statemachinestart(void *ptr)
 
     if ( (strcmp("KMD",dest->symbol) == 0 ) && (ep->dest.prev_vout != -1) )
     {
-      // lock the dest utxo if destination coin is KMD.s
-      destlockunspent = dpow_lockunspent(myinfo,bp->destcoin,destaddr,bits256_str(str2,ep->dest.prev_hash),ep->dest.prev_vout);
-      if (strcmp(destlockunspent,"true") == 0 )
+      // lock the dest utxo if destination coin is KMD.
+      if (dpow_lockunspent(myinfo,bp->destcoin,destaddr,bits256_str(str2,ep->dest.prev_hash),ep->dest.prev_vout) != 0) {
         printf(">>>> LOCKED %s UTXO.(%s) vout.(%d)\n",dest->symbol,bits256_str(str2,ep->dest.prev_hash),ep->dest.prev_vout);
       else
         printf("<<<< FAILED TO LOCK %s UTXO.(%s) vout.(%d)\n",dest->symbol,bits256_str(str2,ep->dest.prev_hash),ep->dest.prev_vout);
-      free(destlockunspent);
+      }
     }
 
     if ( ( strcmp("KMD",src->symbol) == 0 ) && (ep->src.prev_vout != -1) )
     {
       // lock the src coin selected utxo if the source coin is KMD.
-      srclockunspent = dpow_lockunspent(myinfo,bp->srccoin,srcaddr,bits256_str(str2,ep->src.prev_hash),ep->src.prev_vout);
-      if (strcmp(srclockunspent,"true") == 0 )
+      if (dpow_lockunspent(myinfo,bp->srccoin,srcaddr,bits256_str(str2,ep->src.prev_hash),ep->src.prev_vout) != 0) {
         printf(">>>> LOCKED %s UTXO.(%s) vout.(%d\n",src->symbol,bits256_str(str2,ep->src.prev_hash),ep->src.prev_vout);
       else
         printf("<<<< FAILED TO LOCK %s UTXO.(%s) vout.(%d)\n",src->symbol,bits256_str(str2,ep->src.prev_hash),ep->src.prev_vout);
-      free(srclockunspent);
+      }
     }
+
     bp->recvmask |= (1LL << myind);
     bp->notaries[myind].othermask |= (1LL << myind);
     dp->checkpoint = checkpoint;
diff --git a/iguana/dpow/dpow_rpc.c b/iguana/dpow/dpow_rpc.c
index 3dc45c7f1..a76b010ab 100755
--- a/iguana/dpow/dpow_rpc.c
+++ b/iguana/dpow/dpow_rpc.c
@@ -466,7 +466,7 @@ cJSON *dpow_gettxout(struct supernet_info *myinfo,struct iguana_info *coin,bits2
     return(json);
 }
 
-char *dpow_lockunspent(struct supernet_info *myinfo,struct iguana_info *coin,char *coinaddr,char *txid,int32_t vout)
+int dpow_lockunspent(struct supernet_info *myinfo,struct iguana_info *coin,char *coinaddr,char *txid,int32_t vout)
 {
     char buf[128],*retstr;
     if ( coin->FULLNODE < 0 )
@@ -475,7 +475,8 @@ char *dpow_lockunspent(struct supernet_info *myinfo,struct iguana_info *coin,cha
         if ( (retstr= bitcoind_passthru(coin->symbol,coin->chain->serverport,coin->chain->userpass,"lockunspent",buf)) != 0 )
         {
             //printf("RESULT.(%s)\n",retstr);
-            return(retstr);
+            free(retstr);
+            return(1);
         } // else printf("%s null retstr from (%s)n",coin->symbol,buf);
     }
     return(0);