diff --git a/crypto777/OS_portable.h b/crypto777/OS_portable.h
index 23a051b01..5229414a6 100755
--- a/crypto777/OS_portable.h
+++ b/crypto777/OS_portable.h
@@ -129,7 +129,8 @@ int32_t hseek(HUFF *hp,int32_t offset,int32_t mode);
 #define portable_mutex_unlock pthread_mutex_unlock
 #define OS_thread_create pthread_create
 
-#define issue_curl(cmdstr) bitcoind_RPC(0,"curl",cmdstr,0,0,0)
+#define issue_curl(cmdstr) bitcoind_RPC(0,"curl",cmdstr,0,0,0,0)
+#define issue_curlt(cmdstr,timeout) bitcoind_RPC(0,"curl",cmdstr,0,0,0,timeout)
 
 struct allocitem { uint32_t allocsize,type; } PACKED;
 struct queueitem { struct queueitem *next,*prev; uint32_t allocsize,type;  } PACKED;
diff --git a/crypto777/bitcoind_RPC.c b/crypto777/bitcoind_RPC.c
index 975208ddd..cfa5f5501 100755
--- a/crypto777/bitcoind_RPC.c
+++ b/crypto777/bitcoind_RPC.c
@@ -115,7 +115,7 @@ char *Jay_NXTrequest(char *command,char *params)
     return(retstr);
 }
 
-char *bitcoind_RPC(char **retstrp,char *debugstr,char *url,char *userpass,char *command,char *params)
+char *bitcoind_RPC(char **retstrp,char *debugstr,char *url,char *userpass,char *command,char *params,int32_t timeout)
 {
     static int didinit,count,count2; static double elapsedsum,elapsedsum2; extern int32_t USE_JAY;
     struct curl_slist *headers = NULL; struct return_string s; CURLcode res; CURL *curl_handle;
@@ -153,7 +153,8 @@ try_again:
     curl_easy_setopt(curl_handle,CURLOPT_WRITEDATA,		&s); 			// we pass our 's' struct to the callback
     curl_easy_setopt(curl_handle,CURLOPT_NOSIGNAL,		1L);   			// supposed to fix "Alarm clock" and long jump crash
 	curl_easy_setopt(curl_handle,CURLOPT_NOPROGRESS,	1L);			// no progress callback
-    //curl_easy_setopt(curl_handle,CURLOPT_TIMEOUT,	60L); // causes problems with iguana timeouts
+    if ( timeout > 0 )
+        curl_easy_setopt(curl_handle,CURLOPT_TIMEOUT,	timeout); // causes problems with iguana timeouts
     if ( strncmp(url,"https",5) == 0 )
     {
         curl_easy_setopt(curl_handle,CURLOPT_SSL_VERIFYPEER,0);
diff --git a/iguana/dpow/dpow_rpc.c b/iguana/dpow/dpow_rpc.c
index 3a7c83aea..0e294f4d9 100755
--- a/iguana/dpow/dpow_rpc.c
+++ b/iguana/dpow/dpow_rpc.c
@@ -13,7 +13,7 @@
  *                                                                            *
  ******************************************************************************/
 
-#define issue_curl(cmdstr) bitcoind_RPC(0,"curl",cmdstr,0,0,0)
+#define issue_curl(cmdstr) bitcoind_RPC(0,"curl",cmdstr,0,0,0,0)
 
 cJSON *dpow_getinfo(struct supernet_info *myinfo,struct iguana_info *coin)
 {
@@ -839,7 +839,7 @@ char *dpow_issuemethod(char *userpass,char *method,char *params,uint16_t port)
         sprintf(url,(char *)"http://127.0.0.1:%u",port);
         sprintf(postdata,"{\"method\":\"%s\",\"params\":%s}",method,params);
         //printf("postdata.(%s) USERPASS.(%s)\n",postdata,KMDUSERPASS);
-        retstr2 = bitcoind_RPC(&retstr,(char *)"debug",url,userpass,method,params);
+        retstr2 = bitcoind_RPC(&retstr,(char *)"debug",url,userpass,method,params,0);
     }
     return(retstr2);
 }
diff --git a/iguana/exchanges/LP_bitcoin.c b/iguana/exchanges/LP_bitcoin.c
index c7ee8b218..12b975c02 100644
--- a/iguana/exchanges/LP_bitcoin.c
+++ b/iguana/exchanges/LP_bitcoin.c
@@ -2025,7 +2025,7 @@ int32_t bitcoin_p2shscript(uint8_t *script,int32_t n,const uint8_t *p2shscript,c
 
 char *bitcoind_passthru(char *coinstr,char *serverport,char *userpass,char *method,char *params)
 {
-    return(bitcoind_RPC(0,coinstr,serverport,userpass,method,params));
+    return(bitcoind_RPC(0,coinstr,serverport,userpass,method,params,0));
 }
 
 int32_t bitcoin_addr2rmd160(uint8_t *addrtypep,uint8_t rmd160[20],char *coinaddr)
diff --git a/iguana/exchanges/LP_include.h b/iguana/exchanges/LP_include.h
index 93642f146..d99b519bf 100644
--- a/iguana/exchanges/LP_include.h
+++ b/iguana/exchanges/LP_include.h
@@ -21,6 +21,7 @@
 #ifndef LP_INCLUDE_H
 #define LP_INCLUDE_H
 
+#define LP_HTTP_TIMEOUT 1
 #define LP_DEXFEE(destsatoshis) ((destsatoshis) / INSTANTDEX_INSURANCEDIV)
 #define LP_DEPOSITSATOSHIS(satoshis) ((satoshis) + (satoshis >> 3))
 
diff --git a/iguana/exchanges/LP_rpc.c b/iguana/exchanges/LP_rpc.c
index d6472186a..5cf3dbe01 100644
--- a/iguana/exchanges/LP_rpc.c
+++ b/iguana/exchanges/LP_rpc.c
@@ -22,7 +22,7 @@ char *issue_LP_getpeers(char *destip,uint16_t destport,char *ipaddr,uint16_t por
     char url[512],*retstr;
     sprintf(url,"http://%s:%u/api/stats/getpeers?ipaddr=%s&port=%u&profit=%.6f&numpeers=%d&numutxos=%d",destip,destport,ipaddr,port,profitmargin,numpeers,numutxos);
     //printf("send.(%s)\n",url);
-    retstr = issue_curl(url);
+    retstr = issue_curlt(url,LP_HTTP_TIMEOUT);
     //printf("GETPEERS.(%s)\n",retstr);
     return(retstr);
 }
@@ -31,7 +31,7 @@ char *issue_LP_getutxos(char *destip,uint16_t destport,char *coin,int32_t lastn,
 {
     char url[512];
     sprintf(url,"http://%s:%u/api/stats/getutxos?coin=%s&lastn=%d&ipaddr=%s&port=%u&profit=%.6f&numpeers=%d&numutxos=%d",destip,destport,coin,lastn,ipaddr,port,profitmargin,numpeers,numutxos);
-    return(issue_curl(url));
+    return(issue_curlt(url,LP_HTTP_TIMEOUT));
 }
 
 char *issue_LP_clientgetutxos(char *destip,uint16_t destport,char *coin,int32_t lastn)
@@ -39,14 +39,14 @@ char *issue_LP_clientgetutxos(char *destip,uint16_t destport,char *coin,int32_t
     char url[512];
     sprintf(url,"http://%s:%u/api/stats/getutxos?coin=%s&lastn=%d&ipaddr=127.0.0.1&port=0",destip,destport,coin,lastn);
     //printf("getutxo.(%s)\n",url);
-    return(issue_curl(url));
+    return(issue_curlt(url,LP_HTTP_TIMEOUT));
 }
 
 char *issue_LP_notify(char *destip,uint16_t destport,char *ipaddr,uint16_t port,double profitmargin,int32_t numpeers,int32_t numutxos)
 {
     char url[512];
     sprintf(url,"http://%s:%u/api/stats/notify?ipaddr=%s&port=%u&profit=%.6f&numpeers=%d&numutxos=%d",destip,destport,ipaddr,port,profitmargin,numpeers,numutxos);
-    return(issue_curl(url));
+    return(issue_curlt(url,LP_HTTP_TIMEOUT));
 }
 
 char *issue_LP_notifyutxo(char *destip,uint16_t destport,struct LP_utxoinfo *utxo)
@@ -55,7 +55,7 @@ char *issue_LP_notifyutxo(char *destip,uint16_t destport,struct LP_utxoinfo *utx
     sprintf(url,"http://%s:%u/api/stats/notified?pubkey=%s&profit=%.6f&coin=%s&txid=%s&vout=%d&value=%llu&txid2=%s&vout2=%d&value2=%llu&script=%s&address=%s&timestamp=%u",destip,destport,bits256_str(str3,utxo->pubkey),utxo->S.profitmargin,utxo->coin,bits256_str(str,utxo->payment.txid),utxo->payment.vout,(long long)utxo->payment.value,bits256_str(str2,utxo->deposit.txid),utxo->deposit.vout,(long long)utxo->deposit.value,utxo->spendscript,utxo->coinaddr,(uint32_t)time(NULL));
     if ( strlen(url) > 1024 )
         printf("WARNING long url.(%s)\n",url);
-    return(issue_curl(url));
+    return(issue_curlt(url,LP_HTTP_TIMEOUT));
 }
 
 char *issue_LP_register(char *destip,uint16_t destport,bits256 pubkey,char *pushaddr)
@@ -65,7 +65,7 @@ char *issue_LP_register(char *destip,uint16_t destport,bits256 pubkey,char *push
         return(clonestr("{\"error\":\"illegal pushaddr\"}"));
     sprintf(url,"http://%s:%u/api/stats/register?client=%s&pushaddr=%s",destip,destport,bits256_str(str,pubkey),pushaddr+strlen("tcp://"));
     //printf("getutxo.(%s)\n",url);
-    return(issue_curl(url));
+    return(issue_curlt(url,LP_HTTP_TIMEOUT));
 }
 
 char *issue_LP_lookup(char *destip,uint16_t destport,bits256 pubkey)
@@ -73,7 +73,7 @@ char *issue_LP_lookup(char *destip,uint16_t destport,bits256 pubkey)
     char url[512],str[65];
     sprintf(url,"http://%s:%u/api/stats/lookup?client=%s",destip,destport,bits256_str(str,pubkey));
     //printf("getutxo.(%s)\n",url);
-    return(issue_curl(url));
+    return(issue_curlt(url,LP_HTTP_TIMEOUT));
 }
 
 cJSON *bitcoin_json(struct iguana_info *coin,char *method,char *params)
diff --git a/iguana/exchanges/bitcoin.c b/iguana/exchanges/bitcoin.c
index 452c8c075..62c0ed592 100755
--- a/iguana/exchanges/bitcoin.c
+++ b/iguana/exchanges/bitcoin.c
@@ -19,7 +19,7 @@ cJSON *instantdex_statemachinejson(struct bitcoin_swapinfo *swap);
 
 char *bitcoind_passthru(char *coinstr,char *serverport,char *userpass,char *method,char *params)
 {
-    return(bitcoind_RPC(0,coinstr,serverport,userpass,method,params));
+    return(bitcoind_RPC(0,coinstr,serverport,userpass,method,params,0));
 }
 
 int32_t bitcoin_addr2rmd160(uint8_t *addrtypep,uint8_t rmd160[20],char *coinaddr)
diff --git a/iguana/exchanges/mm.c b/iguana/exchanges/mm.c
index e98927ef8..6fcfda6ca 100644
--- a/iguana/exchanges/mm.c
+++ b/iguana/exchanges/mm.c
@@ -70,7 +70,7 @@ char *DEX_swapstatus()
     char url[512],postdata[1024];
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"InstantDEX\",\"method\":\"getswaplist\"}");
-    return(bitcoind_RPC(0,"InstantDEX",url,0,"getswaplist",postdata));
+    return(bitcoind_RPC(0,"InstantDEX",url,0,"getswaplist",postdata,0));
 }
 
 char *DEX_amlp(char *blocktrail)
@@ -78,7 +78,7 @@ char *DEX_amlp(char *blocktrail)
     char url[512],postdata[1024];
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"tradebot\",\"method\":\"amlp\",\"blocktrail\":\"%s\"}",blocktrail);
-    return(bitcoind_RPC(0,"tradebot",url,0,"amlp",postdata));
+    return(bitcoind_RPC(0,"tradebot",url,0,"amlp",postdata,0));
 }
 
 char *DEX_openorders(char *exchange)
@@ -86,7 +86,7 @@ char *DEX_openorders(char *exchange)
     char url[512],postdata[1024];
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"InstantDEX\",\"method\":\"openorders\",\"exchange\":\"%s\"}",exchange);
-    return(bitcoind_RPC(0,"InstantDEX",url,0,"openorders",postdata));
+    return(bitcoind_RPC(0,"InstantDEX",url,0,"openorders",postdata,0));
 }
 
 char *DEX_tradehistory(char *exchange)
@@ -94,7 +94,7 @@ char *DEX_tradehistory(char *exchange)
     char url[512],postdata[1024];
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"InstantDEX\",\"method\":\"tradehistory\",\"exchange\":\"%s\"}",exchange);
-    return(bitcoind_RPC(0,"InstantDEX",url,0,"tradehistory",postdata));
+    return(bitcoind_RPC(0,"InstantDEX",url,0,"tradehistory",postdata,0));
 }
 
 char *DEX_orderstatus(char *exchange,char *orderid)
@@ -102,7 +102,7 @@ char *DEX_orderstatus(char *exchange,char *orderid)
     char url[512],postdata[1024];
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"InstantDEX\",\"method\":\"orderstatus\",\"exchange\":\"%s\",\"orderid\":\"%s\"}",exchange,orderid);
-    return(bitcoind_RPC(0,"InstantDEX",url,0,"orderstatus",postdata));
+    return(bitcoind_RPC(0,"InstantDEX",url,0,"orderstatus",postdata,0));
 }
 
 char *DEX_cancelorder(char *exchange,char *orderid)
@@ -110,7 +110,7 @@ char *DEX_cancelorder(char *exchange,char *orderid)
     char url[512],postdata[1024];
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"InstantDEX\",\"method\":\"cancelorder\",\"exchange\":\"%s\",\"orderid\":\"%s\"}",exchange,orderid);
-    return(bitcoind_RPC(0,"InstantDEX",url,0,"cancelorder",postdata));
+    return(bitcoind_RPC(0,"InstantDEX",url,0,"cancelorder",postdata,0));
 }
 
 char *DEX_balance(char *exchange,char *base,char *coinaddr)
@@ -120,12 +120,12 @@ char *DEX_balance(char *exchange,char *base,char *coinaddr)
     if ( strcmp(exchange,"DEX") == 0 )
     {
         sprintf(postdata,"{\"agent\":\"dex\",\"method\":\"getbalance\",\"address\":\"%s\",\"symbol\":\"%s\"}",coinaddr,base);
-        return(bitcoind_RPC(0,"dex",url,0,"getbalance",postdata));
+        return(bitcoind_RPC(0,"dex",url,0,"getbalance",postdata,0));
     }
     else
     {
         sprintf(postdata,"{\"agent\":\"InstantDEX\",\"method\":\"balance\",\"exchange\":\"%s\",\"base\":\"%s\"}",exchange,base);
-        return(bitcoind_RPC(0,"InstantDEX",url,0,"balance",postdata));
+        return(bitcoind_RPC(0,"InstantDEX",url,0,"balance",postdata,0));
     }
 }
 
@@ -134,7 +134,7 @@ char *DEX_apikeypair(char *exchange,char *apikey,char *apisecret)
     char url[512],postdata[1024];
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"InstantDEX\",\"method\":\"apikeypair\",\"exchange\":\"%s\",\"apikey\":\"%s\",\"apisecret\":\"%s\"}",exchange,apikey,apisecret);
-    return(bitcoind_RPC(0,"InstantDEX",url,0,"apikeypair",postdata));
+    return(bitcoind_RPC(0,"InstantDEX",url,0,"apikeypair",postdata,0));
 }
 
 char *DEX_setuserid(char *exchange,char *userid,char *tradepassword)
@@ -142,7 +142,7 @@ char *DEX_setuserid(char *exchange,char *userid,char *tradepassword)
     char url[512],postdata[1024];
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"InstantDEX\",\"method\":\"setuserid\",\"exchange\":\"%s\",\"userid\":\"%s\",\"tradepassword\":\"%s\"}",exchange,userid,tradepassword);
-    return(bitcoind_RPC(0,"InstantDEX",url,0,"setuserid",postdata));
+    return(bitcoind_RPC(0,"InstantDEX",url,0,"setuserid",postdata,0));
 }
 
 char *DEX_trade(char *exchange,char *base,char *rel,int32_t dir,double price,double volume)
@@ -151,7 +151,7 @@ char *DEX_trade(char *exchange,char *base,char *rel,int32_t dir,double price,dou
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"InstantDEX\",\"method\":\"%s\",\"exchange\":\"%s\",\"base\":\"%s\",\"rel\":\"%s\",\"price\":%.8f,\"volume\":%.8f,\"dotrade\":1}",dir>0?"buy":"sell",exchange,base,rel,price,volume);
     //printf("DEX_trade.(%s)\n",postdata);
-    return(bitcoind_RPC(0,"InstantDEX",url,0,dir>0?"buy":"sell",postdata));
+    return(bitcoind_RPC(0,"InstantDEX",url,0,dir>0?"buy":"sell",postdata,0));
 }
 
 char *DEX_withdraw(char *exchange,char *base,char *destaddr,double amount)
@@ -159,7 +159,7 @@ char *DEX_withdraw(char *exchange,char *base,char *destaddr,double amount)
     char url[512],postdata[1024];
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"InstantDEX\",\"method\":\"withdraw\",\"exchange\":\"%s\",\"destaddr\":\"%s\",\"amount\":%.8f}",exchange,destaddr,amount);
-    return(bitcoind_RPC(0,"InstantDEX",url,0,"withdraw",postdata));
+    return(bitcoind_RPC(0,"InstantDEX",url,0,"withdraw",postdata,0));
 }
 
 char *iguana_walletpassphrase(char *passphrase,int32_t timeout)
@@ -167,7 +167,7 @@ char *iguana_walletpassphrase(char *passphrase,int32_t timeout)
     char url[512],postdata[1024];
     sprintf(url,"%s/coin=KMD&agent=bitcoinrpc&method=walletpassphrase?",IGUANA_URL);
     sprintf(postdata,"[\"%s\", %d]",passphrase,timeout);
-    return(bitcoind_RPC(0,"",url,0,"walletpassphrase",postdata));
+    return(bitcoind_RPC(0,"",url,0,"walletpassphrase",postdata,0));
 }
 
 /*char *iguana_listunspent(char *coin,char *coinaddr)
@@ -194,7 +194,7 @@ char *DEX_listunspent(char *coin,char *coinaddr)
     char url[512],postdata[1024];
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"dex\",\"method\":\"listunspent\",\"address\":\"%s\",\"symbol\":\"%s\",\"timeout\":60000}",coinaddr,coin);
-    return(bitcoind_RPC(0,"dex",url,0,"listunspent",postdata));
+    return(bitcoind_RPC(0,"dex",url,0,"listunspent",postdata,0));
 }
 
 bits256 iguana_wif2privkey(char *wifstr)
@@ -203,7 +203,7 @@ bits256 iguana_wif2privkey(char *wifstr)
     memset(privkey.bytes,0,sizeof(privkey));
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"SuperNET\",\"method\":\"wif2priv\",\"wif\":\"%s\"}",wifstr);
-    if ( (retstr= bitcoind_RPC(0,"SuperNET",url,0,"wif2priv",postdata)) != 0 )
+    if ( (retstr= bitcoind_RPC(0,"SuperNET",url,0,"wif2priv",postdata,0)) != 0 )
     {
         if ( (retjson= cJSON_Parse(retstr)) != 0 )
         {
@@ -227,7 +227,7 @@ void iguana_priv2pub(uint8_t *pubkey33,char *coinaddr,bits256 privkey,uint8_t ad
     bits256_str(privstr,privkey);
     sprintf(url,"%s/?",IGUANA_URL);
     sprintf(postdata,"{\"agent\":\"SuperNET\",\"method\":\"priv2pub\",\"privkey\":\"%s\",\"addrtype\":%u}",privstr,addrtype);
-    if ( (retstr= bitcoind_RPC(0,"SuperNET",url,0,"priv2pub",postdata)) != 0 )
+    if ( (retstr= bitcoind_RPC(0,"SuperNET",url,0,"priv2pub",postdata,0)) != 0 )
     {
         if ( (retjson= cJSON_Parse(retstr)) != 0 )
         {
@@ -623,7 +623,7 @@ int32_t marketmaker_spread(char *exchange,char *base,char *rel,double bid,double
                 sprintf(url,"%s/?",IGUANA_URL);
                 sprintf(postdata,"{\"agent\":\"tradebot\",\"method\":\"liquidity\",\"targetcoin\":\"%s\",\"vals\":%s}",base,jprint(vals,1));
                 //printf("(%s)\n",postdata);
-                if ( (retstr= bitcoind_RPC(0,"tradebot",url,0,"liqudity",postdata)) != 0 )
+                if ( (retstr= bitcoind_RPC(0,"tradebot",url,0,"liqudity",postdata,0)) != 0 )
                 {
                     //printf("(%s) -> (%s)\n",postdata,retstr);
                     free(retstr);
@@ -643,7 +643,7 @@ int32_t marketmaker_spread(char *exchange,char *base,char *rel,double bid,double
                         jaddnum(vals,"minvol",MAX(1,(int32_t)(vol * 0.01 * PAXPRICES[i])));
                         sprintf(url,"%s/?",IGUANA_URL);
                         sprintf(postdata,"{\"agent\":\"tradebot\",\"method\":\"liquidity\",\"targetcoin\":\"%s\",\"vals\":%s}","KMD",jprint(vals,1));
-                        if ( (retstr= bitcoind_RPC(0,"tradebot",url,0,"liqudity",postdata)) != 0 )
+                        if ( (retstr= bitcoind_RPC(0,"tradebot",url,0,"liqudity",postdata,0)) != 0 )
                         {
                             //printf("(%s) -> (%s)\n",postdata,retstr);
                             free(retstr);
diff --git a/iguana/exchanges/nxtae.c b/iguana/exchanges/nxtae.c
index 03e2c1eee..d6fe1080c 100755
--- a/iguana/exchanges/nxtae.c
+++ b/iguana/exchanges/nxtae.c
@@ -14,7 +14,7 @@
  ******************************************************************************/
 
 #define DEFAULT_NXT_DEADLINE 720
-#define issue_NXTPOST(cmdstr) bitcoind_RPC(0,"curl",myinfo->NXTAPIURL,0,0,cmdstr)
+#define issue_NXTPOST(cmdstr) bitcoind_RPC(0,"curl",myinfo->NXTAPIURL,0,0,cmdstr,0)
 #define NXT_MSTYPE 5
 #define NXT_ASSETTYPE 2
 #define NXT_GENESISTIME 1385294400
diff --git a/includes/cJSON.h b/includes/cJSON.h
index b75e73bf1..77e0752e6 100755
--- a/includes/cJSON.h
+++ b/includes/cJSON.h
@@ -211,7 +211,7 @@ extern "C"
     char *get_cJSON_fieldname(cJSON *obj);
     void ensure_jsonitem(cJSON *json,char *field,char *value);
     int32_t in_jsonarray(cJSON *array,char *value);
-    char *bitcoind_RPC(char **retstrp,char *debugstr,char *url,char *userpass,char *command,char *params);
+    char *bitcoind_RPC(char **retstrp,char *debugstr,char *url,char *userpass,char *command,char *params,int32_t timeout);
     uint64_t calc_nxt64bits(const char *str);
     int32_t expand_nxt64bits(char *str,uint64_t nxt64bits);
     char *nxt64str(uint64_t nxt64bits);