diff --git a/crypto777/iguana_utils.c b/crypto777/iguana_utils.c
index b8d35dd91..4605c2f4e 100755
--- a/crypto777/iguana_utils.c
+++ b/crypto777/iguana_utils.c
@@ -1285,6 +1285,21 @@ double get_theoretical(double *avebidp,double *aveaskp,double *highbidp,double *
     return(theoretical);
 }
 
+bits256 bits256_calctxid(char *symbol,uint8_t *serialized,int32_t len)
+{
+    bits256 txid,revtxid; int32_t i;
+    memset(txid.bytes,0,sizeof(txid));
+    if ( strcmp(symbol,"GRS") != 0 && strcmp(symbol,"SMART") != 0 )
+        txid = bits256_doublesha256(0,serialized,len);
+    else
+    {
+        vcalc_sha256(0,revtxid.bytes,serialized,len);
+        for (i=0; i<32; i++)
+            txid.bytes[i] = revtxid.bytes[31 - i];
+    }
+    return(txid);
+}
+
 bits256 iguana_merkle(char *symbol,bits256 *tree,int32_t txn_count)
 {
     int32_t i,n=0,prev; uint8_t serialized[sizeof(bits256) * 2];
diff --git a/iguana/exchanges/LP_bitcoin.c b/iguana/exchanges/LP_bitcoin.c
index a37dd4e91..ab755de82 100644
--- a/iguana/exchanges/LP_bitcoin.c
+++ b/iguana/exchanges/LP_bitcoin.c
@@ -2023,21 +2023,6 @@ char *bitcoind_passthrut(char *coinstr,char *serverport,char *userpass,char *met
     return(bitcoind_RPC(0,coinstr,serverport,userpass,method,params,timeout));
 }
 
-bits256 bits256_calctxid(char *symbol,uint8_t *serialized,int32_t len)
-{
-    bits256 txid,revtxid; int32_t i;
-    memset(txid.bytes,0,sizeof(txid));
-    if ( strcmp(symbol,"GRS") != 0 && strcmp(symbol,"SMART") != 0 )
-        txid = bits256_doublesha256(0,serialized,len);
-    else
-    {
-        vcalc_sha256(0,revtxid.bytes,serialized,len);
-        for (i=0; i<32; i++)
-            txid.bytes[i] = revtxid.bytes[31 - i];
-    }
-    return(txid);
-}
-
 bits256 bits256_calcaddrhash(char *symbol,uint8_t *serialized,int32_t  len)
 {
     bits256 hash;