diff --git a/iguana/iguana_blocks.c b/iguana/iguana_blocks.c
index 35442bf7b..fa6374d0f 100755
--- a/iguana/iguana_blocks.c
+++ b/iguana/iguana_blocks.c
@@ -17,7 +17,7 @@
 
 #define iguana_blockfind(str,coin,hash2) iguana_blockhashset(str,coin,-1,hash2,0)
 
-void iguana_blockconv(uint8_t zcash,uint8_t auxpow,struct iguana_zblock *zdest,struct iguana_msgzblock *zmsg,bits256 hash2,int32_t height) //uint32_t numtxids,uint32_t numunspents,uint32_t numspends,double PoW)
+int32_t iguana_blockconv(uint8_t zcash,uint8_t auxpow,struct iguana_zblock *zdest,struct iguana_msgzblock *zmsg,bits256 hash2,int32_t height) //uint32_t numtxids,uint32_t numunspents,uint32_t numspends,double PoW)
 {
     int32_t i; struct iguana_block *dest = (void *)zdest; struct iguana_msgblock *msg = (void *)zmsg;
     if ( zcash == 0 )
@@ -32,6 +32,7 @@ void iguana_blockconv(uint8_t zcash,uint8_t auxpow,struct iguana_zblock *zdest,s
         dest->height = height;
         dest->RO.hash2 = hash2;
         dest->RO.nonce = msg->H.nonce;
+        return(msg->txn_count);
     }
     else
     {
@@ -46,6 +47,7 @@ void iguana_blockconv(uint8_t zcash,uint8_t auxpow,struct iguana_zblock *zdest,s
             printf("unexpected varint size for zmsg.zH.numelements <- %d\n",zdest->zRO.numelements);
         for (i=0; i<ZCASH_SOLUTION_ELEMENTS; i++)
             zdest->zRO.solution[i] = zmsg->zH.solution[i];
+        return(zmsg->txn_count);
     }
 }
 
diff --git a/iguana/iguana_init.c b/iguana/iguana_init.c
index 7a7919b89..5e98a8f34 100755
--- a/iguana/iguana_init.c
+++ b/iguana/iguana_init.c
@@ -108,7 +108,7 @@ bits256 iguana_genesis(struct supernet_info *myinfo,struct iguana_info *coin,str
     decode_hex(buf,(int32_t)strlen(chain->genesis_hex)/2,(char *)chain->genesis_hex);
     hash2 = iguana_calcblockhash(coin->symbol,coin->chain->hashalgo,buf,sizeof(struct iguana_msgblockhdr));
     auxback = coin->chain->auxpow, coin->chain->auxpow = 0;
-    iguana_rwblock(myinfo,coin->symbol,coin->chain->zcash,coin->chain->auxpow,coin->chain->hashalgo,0,&hash2,buf,&zmsg,sizeof(buf));
+    iguana_rwblock(myinfo,coin->symbol,coin->chain->zcash,coin->chain->auxpow,coin->chain->hashalgo,0,&hash2,buf,(void *)&zmsg,sizeof(buf));
     coin->chain->auxpow = auxback;
     if  ( coin->virtualchain == 0 && coin->MAXPEERS > 1 )
     {
@@ -123,7 +123,7 @@ bits256 iguana_genesis(struct supernet_info *myinfo,struct iguana_info *coin,str
     } else memcpy(hash2.bytes,chain->genesis_hashdata,sizeof(hash2));
     bits256_str(str,hash2);
     printf("genesis.(%s) zcash.%d len.%d hash.%s\n",chain->genesis_hex,coin->chain->zcash,(int32_t)sizeof(zmsg.zH),str);
-    iguana_blockconv(coin->chain->zcash,coin->chain->auxpow,block,&zmsg,hash2,0);
+    iguana_blockconv(coin->chain->zcash,coin->chain->auxpow,(void *)block,&zmsg,hash2,0);
     block->RO.txn_count = 1;
     block->RO.numvouts = 1;
     if ( coin->chain->zcash != 0 )
@@ -543,7 +543,7 @@ struct iguana_info *iguana_coinstart(struct iguana_info *coin,int32_t initialhei
                 }
             }
         }
-        if ( coin->FULLNODE != 0 && coin->rpcloop == 0 )
+        if ( coin->rpcloop == 0 )
         {
             myinfo->argport = coin->chain->rpcport;
             coin->rpcloop = malloc(sizeof(pthread_t));
diff --git a/iguana/iguana_msg.c b/iguana/iguana_msg.c
index 469e37517..d53856a62 100755
--- a/iguana/iguana_msg.c
+++ b/iguana/iguana_msg.c
@@ -727,19 +727,31 @@ int32_t iguana_rwtx(struct supernet_info *myinfo,uint8_t zcash,int32_t rwflag,st
 
 char *iguana_txscan(struct supernet_info *myinfo,struct iguana_info *coin,cJSON *json,uint8_t *data,int32_t recvlen,bits256 txid)
 {
-    struct iguana_msgtx tx; bits256 hash2; struct iguana_block *block; struct iguana_msgblock msg;
-    int32_t i,n,len,extralen = 65356; char *txbytes,vpnstr[64]; uint8_t *extraspace,blockspace[sizeof(*block)+sizeof(struct iguana_zblock)];
+    struct iguana_msgtx tx; bits256 hash2; struct iguana_zblock *zblock; struct iguana_block *block; struct iguana_msgzblock zmsg; struct iguana_msgblock msg;
+    int32_t i,n,len,txn_count,extralen = 65356; char *txbytes,vpnstr[64]; uint8_t *extraspace,blockspace[sizeof(*block)+sizeof(struct iguana_zblock)];
+    zblock = (void *)blockspace;
     block = (void *)blockspace;
+    memset(&zmsg,0,sizeof(zmsg));
     memset(&msg,0,sizeof(msg));
     vpnstr[0] = 0;
     extraspace = calloc(1,extralen);
-    len = iguana_rwblock(myinfo,coin->symbol,coin->chain->zcash,coin->chain->auxpow,coin->chain->hashalgo,0,&hash2,data,&msg,recvlen);
-    iguana_blockconv(coin->chain->zcash,coin->chain->auxpow,block,&msg,hash2,-1);
-    for (i=0; i<msg.txn_count; i++)
+    if ( coin->chain->zcash == 0 )
+    {
+        len = iguana_rwblock(myinfo,coin->symbol,coin->chain->zcash,coin->chain->auxpow,coin->chain->hashalgo,0,&hash2,data,&msg,recvlen);
+        iguana_blockconv(coin->chain->zcash,coin->chain->auxpow,(void *)block,(void *)&msg,hash2,-1);
+        txn_count = msg.txn_count;
+    }
+    else
+    {
+        len = iguana_rwblock(myinfo,coin->symbol,coin->chain->zcash,coin->chain->auxpow,coin->chain->hashalgo,0,&hash2,data,(void *)&zmsg,recvlen);
+        iguana_blockconv(coin->chain->zcash,coin->chain->auxpow,zblock,&zmsg,hash2,-1);
+        txn_count = msg.txn_count;
+    }
+    for (i=0; i<txn_count; i++)
     {
         if ( (n= iguana_rwmsgtx(coin,coin->blocks.hwmchain.height,0,0,&data[len],recvlen - len,&tx,&tx.txid,vpnstr,extraspace,extralen,0,0)) < 0 )
             break;
-        char str[65]; printf("%d of %d: %s len.%d\n",i,msg.txn_count,bits256_str(str,tx.txid),len);
+        char str[65]; printf("%d of %d: %s len.%d\n",i,txn_count,bits256_str(str,tx.txid),len);
         if ( bits256_cmp(txid,tx.txid) == 0 )
         {
             if ( (n= iguana_rwmsgtx(coin,coin->blocks.hwmchain.height,0,json,&data[len],recvlen - len,&tx,&tx.txid,vpnstr,extraspace,extralen,0,0)) > 0 )
@@ -757,21 +769,21 @@ char *iguana_txscan(struct supernet_info *myinfo,struct iguana_info *coin,cJSON
 
 int32_t iguana_gentxarray(struct supernet_info *myinfo,struct iguana_info *coin,struct OS_memspace *mem,struct iguana_txblock *txdata,int32_t *lenp,uint8_t *data,int32_t recvlen)
 {
-    struct iguana_msgtx *tx; bits256 hash2; struct iguana_msgblock msg; int32_t i,n,hdrlen,len,numvouts,numvins; char str[65];
-    memset(&msg,0,sizeof(msg));
-    len = iguana_rwblock(myinfo,coin->symbol,coin->chain->zcash,coin->chain->auxpow,coin->chain->hashalgo,0,&hash2,data,&msg,recvlen);
+    struct iguana_msgtx *tx; bits256 hash2; struct iguana_msgzblock zmsg; int32_t txn_count,i,n,hdrlen,len,numvouts,numvins; char str[65];
+    memset(&zmsg,0,sizeof(zmsg));
+    len = iguana_rwblock(myinfo,coin->symbol,coin->chain->zcash,coin->chain->auxpow,coin->chain->hashalgo,0,&hash2,data,(void *)&zmsg,recvlen);
     hdrlen = len;
     if ( len > recvlen )
     {
         printf("gentxarray error len.%d > recvlen.%d\n",len,recvlen);
         return(-1);
     }
-    iguana_blockconv(coin->chain->zcash,coin->chain->auxpow,(struct iguana_block *)&txdata->zblock,&msg,hash2,-1);
+    txn_count = iguana_blockconv(coin->chain->zcash,coin->chain->auxpow,(void *)&txdata->zblock,&zmsg,hash2,-1);
     numvins = numvouts = 0;
-    if ( msg.txn_count > 0 )
+    if ( txn_count > 0 )
     {
-        tx = iguana_memalloc(mem,msg.txn_count*sizeof(*tx),1);
-        for (i=0; i<msg.txn_count; i++)
+        tx = iguana_memalloc(mem,txn_count*sizeof(*tx),1);
+        for (i=0; i<txn_count; i++)
         {
             if ( len+32 > recvlen )
             {
@@ -798,9 +810,9 @@ int32_t iguana_gentxarray(struct supernet_info *myinfo,struct iguana_info *coin,
         } else txdata->extralen = 0;
     }
     if ( coin->chain->auxpow != 0 && len != recvlen )
-        printf("numtx.%d %s hdrlen.%d len.%d vs recvlen.%d v.%08x\n",msg.txn_count,bits256_str(str,hash2),hdrlen,len,recvlen,txdata->zblock.RO.version);
+        printf("numtx.%d %s hdrlen.%d len.%d vs recvlen.%d v.%08x\n",txn_count,bits256_str(str,hash2),hdrlen,len,recvlen,txdata->zblock.RO.version);
     txdata->recvlen = len;
-    txdata->numtxids = msg.txn_count;
+    txdata->numtxids = txn_count;
     txdata->numunspents = numvouts;
     txdata->numspends = numvins;
     return(len);
@@ -975,7 +987,7 @@ int32_t iguana_msgparser(struct supernet_info *myinfo,struct iguana_info *coin,s
         }
         else if ( (ishost= (strcmp(H->command,"getheaders") == 0)) || strcmp(H->command,"headers") == 0 )
         {
-            struct iguana_msgblock msg; struct iguana_zblock *zblocks; uint32_t tmp,n=0;
+            struct iguana_msgzblock zmsg; struct iguana_zblock *zblocks; uint32_t tmp,n=0;
             len = 0;
             if ( addr != 0 && recvlen >= sizeof(bits256) && strcmp("BTCD",coin->symbol) != 0 )
             {
@@ -996,10 +1008,10 @@ int32_t iguana_msgparser(struct supernet_info *myinfo,struct iguana_info *coin,s
                         {
                             if ( coin->chain->auxpow != 0 )
                             {
-                                tmp = iguana_rwblockhdr(0,coin->chain->zcash,&data[len],&msg);
+                                tmp = iguana_rwblockhdr(0,coin->chain->zcash,&data[len],(void *)&zmsg);
                                 hash2 = iguana_calcblockhash(coin->symbol,coin->chain->hashalgo,&data[len],tmp);
                                 len += tmp;
-                                if ( (msg.H.version & 0x100) != 0 )
+                                if ( (zmsg.zH.version & 0x100) != 0 )
                                 {
                                     iguana_memreset(rawmem);
                                     tx = iguana_memalloc(rawmem,sizeof(*tx),1);
@@ -1012,9 +1024,10 @@ int32_t iguana_msgparser(struct supernet_info *myinfo,struct iguana_info *coin,s
                                 len += iguana_rwvarint32(0,&data[len],&tmp);
                                 char str[65],str2[65];
                                 if ( 0 && coin->chain->auxpow != 0 )
-                                    printf("%d %d of %d: %s %s v.%08x numtx.%d cmp.%d\n",len,i,n,bits256_str(str,hash2),bits256_str(str2,msg.H.prev_block),msg.H.version,tmp,bits256_cmp(prevhash2,msg.H.prev_block));
-                            } else len += iguana_rwblock(myinfo,coin->chain->symbol,coin->chain->zcash,coin->chain->auxpow,coin->chain->hashalgo,0,&hash2,&data[len],&msg,recvlen);
-                            iguana_blockconv(coin->chain->zcash,coin->chain->auxpow,(struct iguana_block *)&zblocks[i],&msg,hash2,-1);
+                                    printf("%d %d of %d: %s %s v.%08x numtx.%d cmp.%d\n",len,i,n,bits256_str(str,hash2),bits256_str(str2,zmsg.zH.prev_block),zmsg.zH.version,tmp,bits256_cmp(prevhash2,zmsg.zH.prev_block));
+                            }
+                            else len += iguana_rwblock(myinfo,coin->chain->symbol,coin->chain->zcash,coin->chain->auxpow,coin->chain->hashalgo,0,&hash2,&data[len],(void *)&zmsg,recvlen);
+                            iguana_blockconv(coin->chain->zcash,coin->chain->auxpow,(void *)&zblocks[i],&zmsg,hash2,-1);
                             prevhash2 = hash2;
                         }
                         free(coinbase_branch);
diff --git a/includes/iguana_funcs.h b/includes/iguana_funcs.h
index 5c38ee4e7..7807c8c9b 100755
--- a/includes/iguana_funcs.h
+++ b/includes/iguana_funcs.h
@@ -43,7 +43,7 @@ int32_t iguana_rwvarint32(int32_t rwflag,uint8_t *serialized,uint32_t *int32p);
 int32_t iguana_rwbignum(int32_t rwflag,uint8_t *serialized,int32_t len,uint8_t *endianedp);
 int32_t iguana_rwblock(struct supernet_info *myinfo,char *symbol,uint8_t zcash,uint8_t auxpow,int32_t (*hashalgo)(uint8_t *blockhashp,uint8_t *serialized,int32_t len),int32_t rwflag,bits256 *hash2p,uint8_t *serialized,struct iguana_msgblock *msg,int32_t maxlen);
 int32_t iguana_serialize_block(struct supernet_info *myinfo,struct iguana_chain *chain,bits256 *hash2p,uint8_t serialized[sizeof(struct iguana_msgblock)],struct iguana_block *block);
-void iguana_blockconv(uint8_t zcash,uint8_t auxpow,struct iguana_zblock *zdest,struct iguana_msgzblock *zmsg,bits256 hash2,int32_t height);
+int32_t iguana_blockconv(uint8_t zcash,uint8_t auxpow,struct iguana_zblock *zdest,struct iguana_msgzblock *zmsg,bits256 hash2,int32_t height);
 int32_t iguana_msgparser(struct supernet_info *myinfo,struct iguana_info *coin,struct iguana_peer *addr,struct OS_memspace *rawmem,struct OS_memspace *txmem,struct OS_memspace *hashmem,struct iguana_msghdr *H,uint8_t *data,int32_t datalen,int32_t fromcache);
 
 // send message