diff --git a/basilisk/basilisk_bitcoin.c b/basilisk/basilisk_bitcoin.c
index 4d798dc66..304d0a148 100755
--- a/basilisk/basilisk_bitcoin.c
+++ b/basilisk/basilisk_bitcoin.c
@@ -928,17 +928,22 @@ struct basilisk_spend *basilisk_addspend(struct supernet_info *myinfo,char *symb
 {
     int32_t i; struct basilisk_spend *s;
     // mutex
-    for (i=0; i<myinfo->numspends; i++)
+    if ( myinfo->numspends > 0 )
     {
-        if ( myinfo->spends[i].vout == vout && bits256_cmp(txid,myinfo->spends[i].txid) == 0 )
+        for (i=0; i<myinfo->numspends; i++)
         {
-            char str[65]; printf("found spend.%s v%d skip it\n",bits256_str(str,txid),vout);
-            return(&myinfo->spends[i]);
+            if ( myinfo->spends[i].vout == vout && bits256_cmp(txid,myinfo->spends[i].txid) == 0 )
+            {
+                char str[65]; printf("found spend.%s v%d skip it\n",bits256_str(str,txid),vout);
+                return(&myinfo->spends[i]);
+            }
         }
     }
     if ( addflag != 0 && i == myinfo->numspends )
     {
+        printf("realloc spends.[%d] %p\n",myinfo->numspends,myinfo->spends);
         myinfo->spends = realloc(myinfo->spends,sizeof(*myinfo->spends) * (myinfo->numspends+1));
+        printf("allocated spends.[%d] %p\n",myinfo->numspends+1,myinfo->spends);
         s = &myinfo->spends[myinfo->numspends++];
         memset(s,0,sizeof(*s));
         s->txid = txid;
diff --git a/iguana/main.c b/iguana/main.c
index 70be31c3c..ed99ac274 100755
--- a/iguana/main.c
+++ b/iguana/main.c
@@ -408,6 +408,7 @@ rm BTC.xz; mksquashfs DB/BTC BTC.xz -comp xz -b 1048576 -comp xz -Xdict-size 102
 void mainloop(struct supernet_info *myinfo)
 {
     struct iguana_info *coin,*tmp; int32_t i,depth; portable_mutex_t *stack[IGUANA_MAXCOINS];
+    uint32_t lasttime = 0;
     sleep(3);
     printf("mainloop\n");
     while ( 1 )
@@ -415,18 +416,22 @@ void mainloop(struct supernet_info *myinfo)
         //printf("main iteration\n");
         if ( 1 )
         {
-            coin = 0;
-            depth = 0;
-            HASH_ITER(hh,myinfo->allcoins,coin,tmp)
+            if ( time(NULL) > lasttime )
             {
-                portable_mutex_lock(&coin->allcoins_mutex);
-                stack[depth++] = &coin->allcoins_mutex;
-            }
-            iguana_jsonQ();
-            if ( depth > 0 )
-            {
-                for (i=depth-1; i>=0; i--)
-                    portable_mutex_unlock(stack[i]);
+                coin = 0;
+                depth = 0;
+                HASH_ITER(hh,myinfo->allcoins,coin,tmp)
+                {
+                    portable_mutex_lock(&coin->allcoins_mutex);
+                    stack[depth++] = &coin->allcoins_mutex;
+                }
+                iguana_jsonQ();
+                if ( depth > 0 )
+                {
+                    for (i=depth-1; i>=0; i--)
+                        portable_mutex_unlock(stack[i]);
+                }
+                lasttime = (uint32_t)time(NULL);
             }
         }
         //pangea_queues(SuperNET_MYINFO(0));