diff --git a/crypto777/bitcoind_RPC.c b/crypto777/bitcoind_RPC.c
index 63f5bb72c..91bcfdb40 100755
--- a/crypto777/bitcoind_RPC.c
+++ b/crypto777/bitcoind_RPC.c
@@ -189,7 +189,7 @@ try_again:
             free(s.ptr);
             return(0);
         }
-        else if ( numretries >= 2 )
+        else if ( numretries >= 1 )
         {
             printf("Maximum number of retries exceeded!\n");
             free(s.ptr);
@@ -285,7 +285,7 @@ static size_t WriteMemoryCallback(void *ptr,size_t size,size_t nmemb,void *data)
         mem->size += realsize;
         mem->memory[mem->size] = 0;
     }
-    printf("got %d bytes\n",(int32_t)(size*nmemb));
+    //printf("got %d bytes\n",(int32_t)(size*nmemb));
     return(realsize);
 }
 
diff --git a/crypto777/iguana_OS.c b/crypto777/iguana_OS.c
index be8eddf25..74fef127e 100755
--- a/crypto777/iguana_OS.c
+++ b/crypto777/iguana_OS.c
@@ -19,6 +19,7 @@
 
 #include "OS_portable.h"
 #include <sys/stat.h>
+#include <sys/select.h>
 #ifndef MAP_FILE
 #define MAP_FILE        0
 #endif
diff --git a/iguana/SuperNET.h b/iguana/SuperNET.h
index 0260952d8..c55e1bf2c 100644
--- a/iguana/SuperNET.h
+++ b/iguana/SuperNET.h
@@ -118,6 +118,7 @@ struct category_info
 extern struct category_info *Categories;
 struct category_msg { struct queueitem DL; struct tai t; uint64_t remoteipbits; int32_t len; uint8_t msg[]; };
 
+struct exchange_quote { uint64_t satoshis,orderid,offerNXT; double price,volume; uint32_t timestamp,val; };
 
 void expand_epbits(char *endpoint,struct endpoint epbits);
 struct endpoint calc_epbits(char *transport,uint32_t ipbits,uint16_t port,int32_t type);
@@ -160,7 +161,7 @@ struct category_chain *category_chain_functions(struct supernet_info *myinfo,bit
 #define category_default_latest() (*cchain->default_func)(cchain,'L',0,0,0,0,zero)
 void category_init(struct supernet_info *myinfo);
 char *SuperNET_keysinit(struct supernet_info *myinfo,char *jsonstr);
-double instantdex_aveprice(struct supernet_info *myinfo,char *base,char *rel,double volume,cJSON *argjson);
+double instantdex_aveprice(struct supernet_info *myinfo,struct exchange_quote *sortbuf,int32_t max,double *totalvolp,char *base,char *rel,double volume,cJSON *argjson);
 
 #endif
 
diff --git a/iguana/exchanges/bitfinex.c b/iguana/exchanges/bitfinex.c
index 15b79cc1e..764167ca3 100755
--- a/iguana/exchanges/bitfinex.c
+++ b/iguana/exchanges/bitfinex.c
@@ -34,11 +34,11 @@
 static char *BASERELS[][2] = { {"btc","usd"}, {"ltc","usd"}, {"ltc","btc"}, {"",""} };
 #include "exchange_supports.h"
 
-double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson)
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
 {
     char url[1024];
     sprintf(url,"https://api.bitfinex.com/v1/book/%s%s",base,rel);
-    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,"price","amount",maxdepth,0));
+    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,"price","amount",maxdepth,0,invert));
 }
 
 char *PARSEBALANCE(struct exchange_info *exchange,double *balancep,char *coinstr,cJSON *argjson)
diff --git a/iguana/exchanges/bitstamp.c b/iguana/exchanges/bitstamp.c
index 465041201..30c9b9a5a 100755
--- a/iguana/exchanges/bitstamp.c
+++ b/iguana/exchanges/bitstamp.c
@@ -34,11 +34,11 @@
 static char *BASERELS[][2] = { {"btc","usd"} };
 #include "exchange_supports.h"
 
-double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson)
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
 {
     char url[1024];
     sprintf(url,"https://www.bitstamp.net/api/order_book/");
-    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0));
+    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0,invert));
 }
 
 cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *method,char *payload)
diff --git a/iguana/exchanges/bittrex.c b/iguana/exchanges/bittrex.c
index b93254073..f032b764b 100755
--- a/iguana/exchanges/bittrex.c
+++ b/iguana/exchanges/bittrex.c
@@ -73,7 +73,7 @@ int32_t SUPPORTS(struct exchange_info *exchange,char *base,char *rel,cJSON *argj
     else return(0);
 }
 
-double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson)
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
 {
     cJSON *json,*obj; char *jsonstr,market[128],url[1024]; double hbla = 0.;
     sprintf(market,"%s-%s",rel,base);
@@ -84,7 +84,7 @@ double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchang
         if ( (json = cJSON_Parse(jsonstr)) != 0 )
         {
            if ( (obj= cJSON_GetObjectItem(json,"success")) != 0 && is_cJSON_True(obj) != 0 )
-                hbla = exchanges777_json_orderbook(exchange,commission,base,rel,quotes,maxdepth,json,"result","buy","sell","Rate","Quantity");
+                hbla = exchanges777_json_orderbook(exchange,commission,base,rel,quotes,maxdepth,json,"result","buy","sell","Rate","Quantity",invert);
             free_json(json);
         }
         free(jsonstr);
diff --git a/iguana/exchanges/btc38.c b/iguana/exchanges/btc38.c
index 42e4d33a9..268dce776 100755
--- a/iguana/exchanges/btc38.c
+++ b/iguana/exchanges/btc38.c
@@ -90,11 +90,11 @@ int32_t SUPPORTS(struct exchange_info *exchange,char *_base,char *_rel,cJSON *ar
             if ( strcmp(btc38_cnypairs[i],base) == 0 )
                 return(1);
     }
-    printf("BTC38 doesnt support (%s/%s)\n",base,rel);
+    //printf("BTC38 doesnt support (%s/%s)\n",base,rel);
     return(0);
 }
 
-double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson)
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
 {
     char url[1024],lrel[16],lbase[16];
     strcpy(lrel,rel), strcpy(lbase,base);
@@ -102,7 +102,7 @@ double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchang
     if ( strcmp(lbase,"cny") == 0 && strcmp(lrel,"btc") == 0 )
         sprintf(url,"http://api.btc38.com/v1/depth.php?c=%s&mk_type=%s","btc","cny");
     else sprintf(url,"http://api.btc38.com/v1/depth.php?c=%s&mk_type=%s",lbase,lrel);
-    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0));
+    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0,invert));
 }
 
 cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *payload,char *path)
diff --git a/iguana/exchanges/btce.c b/iguana/exchanges/btce.c
index 9064d9fc7..c7a255b06 100755
--- a/iguana/exchanges/btce.c
+++ b/iguana/exchanges/btce.c
@@ -35,14 +35,14 @@ static char *BASERELS[][2] = { {"btc","usd"}, {"btc","rur"}, {"btc","eur"}, {"lt
 
 #include "exchange_supports.h"
 
-double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson)
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
 {
     char field[64],url[1024],lbase[16],lrel[16];
     strcpy(lrel,rel), strcpy(lbase,base);
     tolowercase(lrel), tolowercase(lbase);
     sprintf(field,"%s_%s",lbase,lrel);
     sprintf(url,"https://btc-e.com/api/3/depth/%s",field);
-    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,field));
+    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,field,invert));
 }
 
 cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *url,char *payload)
diff --git a/iguana/exchanges/coinbase.c b/iguana/exchanges/coinbase.c
index b1292abd9..1a0fd190d 100755
--- a/iguana/exchanges/coinbase.c
+++ b/iguana/exchanges/coinbase.c
@@ -34,11 +34,11 @@
 static char *BASERELS[][2] = { {"btc","usd"} };
 #include "exchange_supports.h"
 
-double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson)
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
 {
     char url[1024];
     sprintf(url,"https://api.exchange.coinbase.com/products/%s-%s/book?level=2",base,rel);
-    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0));
+    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0,invert));
 }
 
 cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *payload,uint64_t nonce,char *path,char *method)
diff --git a/iguana/exchanges/huobi.c b/iguana/exchanges/huobi.c
index e1fd2b874..402049a7c 100755
--- a/iguana/exchanges/huobi.c
+++ b/iguana/exchanges/huobi.c
@@ -33,12 +33,12 @@
 static char *BASERELS[][2] = { {"btc","cny"}, {"ltc","cny"} };
 #include "exchange_supports.h"
 
-double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson)
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
 {
     char url[1024],lbase[16];
     strcpy(lbase,base), tolowercase(lbase);
     sprintf(url,"http://api.huobi.com/staticmarket/depth_%s_json.js ",lbase);
-    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0));
+    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0,invert));
 }
 
 cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *payload)
diff --git a/iguana/exchanges/lakebtc.c b/iguana/exchanges/lakebtc.c
index a51a5b602..bbf897c20 100755
--- a/iguana/exchanges/lakebtc.c
+++ b/iguana/exchanges/lakebtc.c
@@ -33,7 +33,7 @@
 static char *BASERELS[][2] = { {"btc","usd"}, {"btc","cny"} };
 #include "exchange_supports.h"
 
-double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson)
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
 {
     char url[1024];
     if ( strcmp(rel,"USD") == 0 )
@@ -41,7 +41,7 @@ double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchang
     else if ( strcmp(rel,"CNY") == 0 )
         sprintf(url,"https://www.LakeBTC.com/api_v1/bcorderbook_cny");
     else printf("illegal lakebtc pair.(%s/%s)\n",base,rel);
-    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0));
+    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0,invert));
 }
 
 cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *payload,char *hdr1,uint64_t tonce)
diff --git a/iguana/exchanges/nxtae.c b/iguana/exchanges/nxtae.c
new file mode 100755
index 000000000..0cdb065f3
--- /dev/null
+++ b/iguana/exchanges/nxtae.c
@@ -0,0 +1,175 @@
+/******************************************************************************
+ * Copyright © 2014-2016 The SuperNET Developers.                             *
+ *                                                                            *
+ * See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at                  *
+ * the top-level directory of this distribution for the individual copyright  *
+ * holder information and the developer policies on copyright and licensing.  *
+ *                                                                            *
+ * Unless otherwise agreed in a custom licensing agreement, no part of the    *
+ * SuperNET software, including this file may be copied, modified, propagated *
+ * or distributed except according to the terms contained in the LICENSE file *
+ *                                                                            *
+ * Removal or modification of this copyright notice is prohibited.            *
+ *                                                                            *
+ ******************************************************************************/
+
+#define EXCHANGE_NAME "nxtae"
+#define UPDATE nxtae ## _price
+#define SUPPORTS nxtae ## _supports
+#define SIGNPOST nxtae ## _signpost
+#define TRADE nxtae ## _trade
+#define ORDERSTATUS nxtae ## _orderstatus
+#define CANCELORDER nxtae ## _cancelorder
+#define OPENORDERS nxtae ## _openorders
+#define TRADEHISTORY nxtae ## _tradehistory
+#define BALANCES nxtae ## _balances
+#define PARSEBALANCE nxtae ## _parsebalance
+#define WITHDRAW nxtae ## _withdraw
+#define CHECKBALANCE nxtae ## _checkbalance
+#define ALLPAIRS nxtae ## _allpairs
+#define FUNCS nxtae ## _funcs
+#define BASERELS nxtae ## _baserels
+
+static char *BASERELS[][2] = { {"btc","nxt"}, {"btc","btcd"}, {"btc","ltc"}, {"btc","vrc"}, {"btc","doge"} };
+#include "exchange_supports.h"
+
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
+{
+    char url[1024],lrel[16],lbase[16];
+    strcpy(lrel,rel), strcpy(lbase,base);
+    tolowercase(lrel), tolowercase(lbase);
+    sprintf(url,"http://api.quadrigacx.com/v2/order_book?book=%s_%s",lbase,lrel);
+    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0,invert));
+}
+
+cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *payload,char *path)
+{
+    char url[1024],req[1024],md5secret[128],tmp[1024],dest[1025],hdr1[512],hdr2[512],hdr3[512],hdr4[512],*sig,*data = 0;
+    cJSON *json; uint64_t nonce;
+    hdr1[0] = hdr2[0] = hdr3[0] = hdr4[0] = 0;
+    json = 0;
+    nonce = exchange_nonce(exchange) * 1000 + ((uint64_t)OS_milliseconds() % 1000);
+    sprintf(tmp,"%llu%s%s",(long long)nonce,exchange->userid,exchange->apikey);
+    calc_md5(md5secret,exchange->apisecret,(int32_t)strlen(exchange->apisecret));
+    if ( (sig= hmac_sha256_str(dest,md5secret,(int32_t)strlen(md5secret),tmp)) != 0 )
+    {
+        sprintf(req,"{\"key\":\"%s\",%s\"nonce\":%llu,\"signature\":\"%s\"}",exchange->apikey,payload,(long long)nonce,sig);
+        sprintf(hdr1,"Content-Type:application/json");
+        sprintf(hdr2,"charset=utf-8");
+        sprintf(hdr3,"Content-Length:%ld",(long)strlen(req));
+        sprintf(url,"https://api.quadrigacx.com/v2/%s",path);
+        if ( dotrade == 0 )
+            data = exchange_would_submit(req,hdr1,hdr2,hdr3,hdr4);
+        else if ( (data= curl_post(&exchange->cHandle,url,0,req,hdr1,hdr2,hdr3,hdr4)) != 0 )
+            json = cJSON_Parse(data);
+    }
+    if ( retstrp != 0 )
+        *retstrp = data;
+    else if ( data != 0 )
+        free(data);
+    return(json);
+}
+
+char *PARSEBALANCE(struct exchange_info *exchange,double *balancep,char *coinstr,cJSON *argjson)
+{
+    //[{"btc_available":"0.00000000","btc_reserved":"0.00000000","btc_balance":"0.00000000","cad_available":"0.00","cad_reserved":"0.00","cad_balance":"0.00","usd_available":"0.00","usd_reserved":"0.00","usd_balance":"0.00","xau_available":"0.000000","xau_reserved":"0.000000","xau_balance":"0.000000","fee":"0.5000"}]
+    char field[128],*str,*itemstr = 0; cJSON *obj; double reserv,total;
+    *balancep = 0.;
+    strcpy(field,coinstr);
+    tolowercase(field);
+    strcat(field,"_available");
+    if ( argjson != 0 && (str= jstr(argjson,field)) != 0 )
+    {
+        *balancep = jdouble(argjson,field);
+        strcpy(field,coinstr), tolowercase(field), strcat(field,"_reserved");
+        reserv = jdouble(argjson,field);
+        strcpy(field,coinstr), tolowercase(field), strcat(field,"_balance");
+        total = jdouble(argjson,field);
+        obj = cJSON_CreateObject();
+        jaddnum(obj,"balance",*balancep);
+        jaddnum(obj,"locked_balance",reserv);
+        jaddnum(obj,"total",total);
+        itemstr = jprint(obj,1);
+    }
+    if ( itemstr == 0 )
+        return(clonestr("{\"error\":\"cant find coin balance\"}"));
+    return(itemstr);
+}
+
+cJSON *BALANCES(struct exchange_info *exchange,cJSON *argjson)
+{
+    return(SIGNPOST(&exchange->cHandle,1,0,exchange,"","balance"));
+}
+
+#include "checkbalance.c"
+
+uint64_t TRADE(int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *base,char *rel,int32_t dir,double price,double volume,cJSON *argjson)
+{
+    char payload[1024],pairstr[64],*extra,*path; cJSON *json; uint64_t txid = 0;
+    if ( (extra= *retstrp) != 0 )
+        *retstrp = 0;
+    if ( (dir= flipstr_for_exchange(exchange,pairstr,"%s_%s",dir,&price,&volume,base,rel,argjson)) == 0 )
+    {
+        printf("cant find baserel (%s/%s)\n",base,rel);
+        return(0);
+    }
+    path = (dir > 0) ? "buy" : "sell";
+    //key - API key
+    //signature - signature
+    //nonce - nonce
+    //amount - amount of major currency
+    //price - price to buy at
+    //book - optional, if not specified, will default to btc_cad
+    sprintf(payload,"\"amount\":%.6f,\"price\":%.3f,\"book\":\"%s_%s\",",volume,price,base,rel);
+    if ( CHECKBALANCE(retstrp,dotrade,exchange,dir,base,rel,price,volume,argjson) == 0 && (json= SIGNPOST(&exchange->cHandle,dotrade,retstrp,exchange,payload,path)) != 0 )
+    {
+        // parse json and set txid
+        free_json(json);
+    }
+    return(txid);
+}
+
+char *ORDERSTATUS(struct exchange_info *exchange,uint64_t quoteid,cJSON *argjson)
+{
+    char buf[64];
+    sprintf(buf,"\"id\":%llu,",(long long)quoteid);
+    return(jprint(SIGNPOST(&exchange->cHandle,1,0,exchange,buf,"lookup_order"),1));
+}
+
+char *CANCELORDER(struct exchange_info *exchange,uint64_t quoteid,cJSON *argjson)
+{
+    char buf[64];
+    sprintf(buf,"\"id\":%llu,",(long long)quoteid);
+    return(jprint(SIGNPOST(&exchange->cHandle,1,0,exchange,buf,"cancel_order"),1));
+}
+
+char *OPENORDERS(struct exchange_info *exchange,cJSON *argjson)
+{
+    return(jprint(SIGNPOST(&exchange->cHandle,1,0,exchange,"","open_orders"),1));
+}
+
+char *TRADEHISTORY(struct exchange_info *exchange,cJSON *argjson)
+{
+    return(jprint(SIGNPOST(&exchange->cHandle,1,0,exchange,"","user_transactions"),1));
+}
+
+char *WITHDRAW(struct exchange_info *exchange,char *base,double amount,char *destaddr,cJSON *argjson)
+{
+    uint64_t txid,assetid,assetoshis; cJSON *retjson = cJSON_CreateObject();
+    if ( is_validNXT(destaddr) < 0 )
+        jaddstr(retjson,"error","invalid NXT address");
+    else if ( (assetid= is_MGW_asset(base)) == 0 )
+        jaddstr(retjson,"error","invalid MGW asset");
+    else if ( is_validNXT_amount(base) < 0 )
+        jaddstr(retjson,"error","invalid NXT asset");
+    else if ( (txid= MGW_redeem(passphrase,assetid,assetoshis,destaddr)) != 0 )
+    {
+        jaddstr(retjson,"result","success");
+        jadd64bits(retjson,"redeemtxid",txid);
+    } else jaddstr(retjson,"error","couldnt submit MGW redeem");
+    return(jprint(retjson,1));
+}
+
+struct exchange_funcs nxtae_funcs = EXCHANGE_FUNCS(nxtae,EXCHANGE_NAME);
+
+#include "exchange_undefs.h"
diff --git a/iguana/exchanges/okcoin.c b/iguana/exchanges/okcoin.c
index 677f5682b..2ab09f883 100755
--- a/iguana/exchanges/okcoin.c
+++ b/iguana/exchanges/okcoin.c
@@ -34,7 +34,7 @@
 static char *BASERELS[][2] = { {"btc","usd"}, {"ltc","usd"} };
 #include "exchange_supports.h"
 
-double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson)
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
 {
     char url[1024],lrel[16],lbase[16];
     strcpy(lrel,rel), strcpy(lbase,base);
@@ -47,7 +47,7 @@ double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchang
         exit(-1);
         return(0);
     }
-    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0));
+    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0,invert));
 }
 
 cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *url,char *payload)
diff --git a/iguana/exchanges/poloniex.c b/iguana/exchanges/poloniex.c
index b6e507eb2..186fa51b6 100755
--- a/iguana/exchanges/poloniex.c
+++ b/iguana/exchanges/poloniex.c
@@ -81,12 +81,12 @@ int32_t SUPPORTS(struct exchange_info *exchange,char *base,char *rel,cJSON *argj
     else return(0);
 }
 
-double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson)
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
 {
     char market[128],url[1024];
     sprintf(market,"%s_%s",rel,base);
     sprintf(url,"https://poloniex.com/public?command=returnOrderBook&currencyPair=%s&depth=%d",market,maxdepth);
-    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0));
+    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0,invert));
 }
 
 cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *url,char *payload)
diff --git a/iguana/exchanges/quadriga.c b/iguana/exchanges/quadriga.c
index 3d95ead94..6347c5118 100755
--- a/iguana/exchanges/quadriga.c
+++ b/iguana/exchanges/quadriga.c
@@ -33,13 +33,13 @@
 static char *BASERELS[][2] = { {"btc","usd"}, {"btc","cad"} };
 #include "exchange_supports.h"
 
-double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson)
+double UPDATE(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert)
 {
     char url[1024],lrel[16],lbase[16];
     strcpy(lrel,rel), strcpy(lbase,base);
     tolowercase(lrel), tolowercase(lbase);
     sprintf(url,"https://api.quadrigacx.com/v2/order_book?book=%s_%s",lbase,lrel);
-    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0));
+    return(exchanges777_standardprices(exchange,commission,base,rel,url,quotes,0,0,maxdepth,0,invert));
 }
 
 cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *payload,char *path)
diff --git a/iguana/exchanges777.h b/iguana/exchanges777.h
index 7683fb85c..fd8b7c18c 100755
--- a/iguana/exchanges777.h
+++ b/iguana/exchanges777.h
@@ -25,12 +25,11 @@
 #define EXCHANGES777_DEFAULT_TIMEOUT 30
 
 struct exchange_info;
-struct exchange_quote { double price,volume; uint64_t orderid,offerNXT; uint32_t timestamp,val; };
 
 struct exchange_funcs
 {
     char name[32];
-    double (*price)(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson);
+    double (*price)(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *quotes,int32_t maxdepth,double commission,cJSON *argjson,int32_t invert);
     int32_t (*supports)(struct exchange_info *exchange,char *base,char *rel,cJSON *argjson);
     char *(*parsebalance)(struct exchange_info *exchange,double *balancep,char *coinstr,cJSON *argjson);
     cJSON *(*balances)(struct exchange_info *exchange,cJSON *argjson);
diff --git a/iguana/iguana.sources b/iguana/iguana.sources
index 9ad5d06e4..efb83c985 100755
--- a/iguana/iguana.sources
+++ b/iguana/iguana.sources
@@ -1,3 +1,3 @@
 #iguana_html.c 
 
-SOURCES := SuperNET.c SuperNET_category.c SuperNET_hexmsg.c iguana_exchanges.c iguana_tradebots.c iguana_instantdex.c pangea_api.c pangea_bets.c cards777.c pangea_summary.c pangea_json.c pangea_hand.c poker.c ramchain_api.c iguana_tx.c iguana_wallet.c  iguana_pubkeys.c iguana_recv.c iguana_bundles.c iguana_msg.c iguana_rpc.c iguana777.c iguana_chains.c iguana_peers.c iguana_accept.c iguana_bitmap.c iguana_init.c iguana_ramchain.c iguana_blocks.c iguana_json.c main.c
+SOURCES := SuperNET.c SuperNET_keys.c SuperNET_category.c SuperNET_hexmsg.c iguana_exchanges.c iguana_tradebots.c iguana_instantdex.c pangea_api.c pangea_bets.c cards777.c pangea_summary.c pangea_json.c pangea_hand.c poker.c ramchain_api.c iguana_tx.c iguana_wallet.c  iguana_pubkeys.c iguana_recv.c iguana_bundles.c iguana_msg.c iguana_rpc.c iguana777.c iguana_chains.c iguana_peers.c iguana_accept.c iguana_bitmap.c iguana_init.c iguana_ramchain.c iguana_blocks.c iguana_json.c main.c
diff --git a/iguana/iguana_exchanges.c b/iguana/iguana_exchanges.c
index baa02e3ed..fca1da8d8 100755
--- a/iguana/iguana_exchanges.c
+++ b/iguana/iguana_exchanges.c
@@ -19,9 +19,9 @@
 #define EXCHANGE777_ISPENDING 2
 #define EXCHANGE777_REQUEUE 3
 
-char *Exchange_names[] = { "poloniex", "bitfinex", "btc38", "bitstamp", "btce", "bittrex", "huobi", "coinbase", "okcoin", "lakebtc", "quadriga",};// "truefx", "ecb", "instaforex", "fxcm", "yahoo" };
+char *Exchange_names[] = { "poloniex", "bittrex", "btc38",  "huobi", };// "bitstamp", "bitfinex", "btce", "coinbase", "okcoin", "lakebtc", "quadriga",};// "truefx", "ecb", "instaforex", "fxcm", "yahoo" };
 
-    struct exchange_info *Exchanges[sizeof(Exchange_names)/sizeof(*Exchange_names)];
+struct exchange_info *Exchanges[sizeof(Exchange_names)/sizeof(*Exchange_names)];
 
 void prices777_processprice(struct exchange_info *exchange,char *base,char *rel,struct exchange_quote *bidasks,int32_t maxdepth)
 {
@@ -165,9 +165,9 @@ char *exchanges777_orderbook_jsonstr(struct exchange_info *exchange,char *_base,
     return(jprint(json,1));
 }
 
-void exchanges777_json_quotes(struct exchange_info *exchange,double commission,char *base,char *rel,double *lastbidp,double *lastaskp,double *hblap,struct exchange_quote *bidasks,cJSON *bids,cJSON *asks,int32_t maxdepth,char *pricefield,char *volfield,uint32_t reftimestamp)
+void exchanges777_json_quotes(struct exchange_info *exchange,double commission,char *base,char *rel,double *lastbidp,double *lastaskp,double *hblap,struct exchange_quote *bidasks,cJSON *bids,cJSON *asks,int32_t maxdepth,char *pricefield,char *volfield,uint32_t reftimestamp,int32_t invert)
 {
-    int32_t i,slot,n=0,m=0,dir,bidask,slot_ba,numitems,numbids,numasks; uint64_t orderid,offerNXT;
+    int32_t i,slot,ba2,n=0,m=0,dir,bidask,slot_ba,numitems,numbids,numasks; uint64_t orderid,offerNXT;
     cJSON *item; struct exchange_quote *quote; uint32_t timestamp; double price,volume,hbla = 0.;
     *lastbidp = *lastaskp = 0.;
     numbids = numasks = 0;
@@ -214,29 +214,37 @@ void exchanges777_json_quotes(struct exchange_info *exchange,double commission,c
             else continue;
             if ( price > SMALLVAL && volume > SMALLVAL )
             {
+                if ( invert != 0 )
+                {
+                    ba2 = (1 ^ bidask);
+                    volume *= price;
+                    price = 1. / price;
+                }
+                else ba2 = bidask;
                 if ( commission != 0. )
                 {
                     //printf("price %f fee %f -> ",price,prices->commission * price);
-                    if ( bidask == 0 )
+                    if ( ba2 == 0 )
                         price -= commission * price;
                     else price += commission * price;
                     //printf("%f\n",price);
                 }
-                quote = (bidask == 0) ? &bidasks[numbids<<1] : &bidasks[(numasks<<1) + 1];
+                quote = (ba2 == 0) ? &bidasks[numbids<<1] : &bidasks[(numasks<<1) + 1];
                 quote->price = price, quote->volume = volume, quote->timestamp = timestamp, quote->orderid = orderid, quote->offerNXT = offerNXT;
-                if ( bidask == 0 )
+                if ( ba2 == 0 )
                     slot_ba = (numbids++ << 1);
                 else slot_ba = (numasks++ << 1) | 1;
                 if ( i == 0 )
                 {
-                    if ( bidask == 0 )
+                    if ( ba2 == 0 )
                         *lastbidp = price;
                     else *lastaskp = price;
                     if ( hbla == 0. )
                         hbla = price;
                     else hbla = 0.5 * (hbla + price);
                 }
-                printf("%d,%d: %-8s %s %5s/%-5s %13.8f vol %13.8f | i %13.8f vol %13.8f | t.%u\n",numbids,numasks,exchange->name,dir>0?"bid":"ask",base,rel,price,volume,1./price,volume*price,timestamp);
+                quote->satoshis = (price * SATOSHIDEN);
+                //printf("%d,%d: %-8s %s %5s/%-5s %13.8f vol %13.8f | i %13.8f vol %13.8f | t.%u\n",numbids,numasks,exchange->name,dir>0?"bid":"ask",base,rel,price,volume,1./price,volume*price,timestamp);
             }
         }
     }
@@ -244,7 +252,7 @@ void exchanges777_json_quotes(struct exchange_info *exchange,double commission,c
         *hblap = hbla;
 }
 
-double exchanges777_json_orderbook(struct exchange_info *exchange,double commission,char *base,char *rel,struct exchange_quote *bidasks,int32_t maxdepth,cJSON *json,char *resultfield,char *bidfield,char *askfield,char *pricefield,char *volfield)
+double exchanges777_json_orderbook(struct exchange_info *exchange,double commission,char *base,char *rel,struct exchange_quote *bidasks,int32_t maxdepth,cJSON *json,char *resultfield,char *bidfield,char *askfield,char *pricefield,char *volfield,int32_t invert)
 {
     cJSON *obj = 0,*bidobj=0,*askobj=0; double lastbid,lastask,hbla = 0.; int32_t numasks=0,numbids=0;
     if ( resultfield == 0 )
@@ -257,22 +265,22 @@ double exchanges777_json_orderbook(struct exchange_info *exchange,double commiss
         askobj = jarray(&numasks,obj,askfield);
         if ( bidobj != 0 || askobj != 0 )
         {
-            exchanges777_json_quotes(exchange,commission,base,rel,&lastbid,&lastask,&hbla,bidasks,bidobj,askobj,maxdepth,pricefield,volfield,0);
+            exchanges777_json_quotes(exchange,commission,base,rel,&lastbid,&lastask,&hbla,bidasks,bidobj,askobj,maxdepth,pricefield,volfield,0,invert);
         }
     }
     return(hbla);
 }
 
-double exchanges777_standardprices(struct exchange_info *exchange,double commission,char *base,char *rel,char *url,struct exchange_quote *quotes,char *price,char *volume,int32_t maxdepth,char *field)
+double exchanges777_standardprices(struct exchange_info *exchange,double commission,char *base,char *rel,char *url,struct exchange_quote *quotes,char *price,char *volume,int32_t maxdepth,char *field,int32_t invert)
 {
     char *jsonstr; cJSON *json; double hbla = 0.;
     if ( (jsonstr= issue_curl(url)) != 0 )
     {
         //if ( strcmp(exchangestr,"btc38") == 0 )
-        printf("(%s) -> (%s)\n",url,jsonstr);
+        //printf("(%s) -> (%s)\n",url,jsonstr);
         if ( (json= cJSON_Parse(jsonstr)) != 0 )
         {
-            hbla = exchanges777_json_orderbook(exchange,commission,base,rel,quotes,maxdepth,json,field,"bids","asks",price,volume);
+            hbla = exchanges777_json_orderbook(exchange,commission,base,rel,quotes,maxdepth,json,field,"bids","asks",price,volume,invert);
             free_json(json);
         }
         free(jsonstr);
@@ -423,9 +431,36 @@ int32_t baserel_polarity(char *pairs[][2],int32_t n,char *_base,char *_rel)
 #include "exchanges/coinbase.c"
 #include "exchanges/bitstamp.c"
 
+int32_t exchanges777_orient(struct exchange_info *exchange,char *base,char *rel,double *pricep,double *volumep,struct exchange_request *req)
+{
+    int32_t polarity = 1;
+    if ( exchange->issue.supports != 0 )
+        polarity = (*exchange->issue.supports)(exchange,req->base,req->rel,req->argjson);
+    if ( polarity < 0 )
+    {
+        strcpy(base,req->rel);
+        strcpy(rel,req->base);
+        if ( volumep != 0 )
+            *volumep = (req->price * req->volume);
+        if ( pricep != 0 && req->price != 0 )
+            *pricep = 1. / req->price;
+    }
+    else
+    {
+        strcpy(rel,req->rel);
+        strcpy(base,req->base);
+        if ( pricep != 0 )
+            *pricep = req->price;
+        if ( volumep != 0 )
+            *volumep = req->volume;
+    }
+    touppercase(base), touppercase(rel);
+    return(polarity);
+}
+
 char *exchanges777_process(struct exchange_info *exchange,int32_t *retvalp,struct exchange_request *req)
 {
-    char *retstr = 0; int32_t dir; uint64_t orderid; double balance; cJSON *balancejson,*retjson;
+    char base[32],rel[32],*retstr = 0; int32_t polarity; uint64_t orderid; double price,volume,balance; cJSON *balancejson,*retjson;
     *retvalp = EXCHANGE777_DONE;
     switch ( req->func )
     {
@@ -433,23 +468,25 @@ char *exchanges777_process(struct exchange_info *exchange,int32_t *retvalp,struc
             if ( exchange->issue.price != 0 )
             {
                 memset(req->bidasks,0,req->depth * sizeof(*req->bidasks) * 2);
-                (*exchange->issue.price)(exchange,req->base,req->rel,req->bidasks,req->depth,req->commission,req->argjson);
-                retstr = exchanges777_orderbook_jsonstr(exchange,req->base,req->rel,req->bidasks,req->depth,req->invert,req->allflag);
+                polarity = exchanges777_orient(exchange,base,rel,0,0,req);
+                (*exchange->issue.price)(exchange,base,rel,req->bidasks,req->depth,req->commission,req->argjson,polarity < 0);
+                retstr = exchanges777_orderbook_jsonstr(exchange,base,rel,req->bidasks,req->depth,0,req->allflag);
             }
             break;
         case 'S':
             if ( exchange->issue.supports != 0 )
             {
-                dir = (*exchange->issue.supports)(exchange,req->base,req->rel,req->argjson);
+                polarity = (*exchange->issue.supports)(exchange,req->base,req->rel,req->argjson);
                 retjson = cJSON_CreateObject();
-                jaddnum(retjson,"result",dir);
+                jaddnum(retjson,"result",polarity);
                 retstr = jprint(retjson,1);
             }
             break;
         case 'T':
             if ( exchange->issue.trade != 0 )
             {
-                orderid = (*exchange->issue.trade)(req->dotrade,&retstr,exchange,req->base,req->rel,req->dir,req->price,req->volume,req->argjson);
+                polarity = exchanges777_orient(exchange,base,rel,&price,&volume,req);
+                orderid = (*exchange->issue.trade)(req->dotrade,&retstr,exchange,base,rel,polarity * req->dir,price,volume,req->argjson);
                 if ( retstr == 0 )
                 {
                     retjson = cJSON_CreateObject();
@@ -511,7 +548,7 @@ void exchanges777_loop(void *ptr)
             if ( req->dead == 0 )
             {
                 retstr = exchanges777_process(exchange,&retval,req);
-                printf("retval.%d (%p) retstrp.%p timedout.%u\n",retval,retstr,req->retstrp,req->timedout);
+                //printf("retval.%d (%p) retstrp.%p timedout.%u\n",retval,retstr,req->retstrp,req->timedout);
                 if ( retval == EXCHANGE777_DONE )
                 {
                     if ( retstr != 0 )
@@ -553,20 +590,21 @@ void exchanges777_loop(void *ptr)
         {
             if ( (req= queue_dequeue(&exchange->pricesQ,0)) != 0 )
             {
-                printf("check %s pricesQ (%s %s)\n",exchange->name,req->base,req->rel);
+                //printf("check %s pricesQ (%s %s)\n",exchange->name,req->base,req->rel);
                 if ( req->dead == 0 )
                 {
                     if ( req->base[0] != 0 )
                     {
                         req->timestamp = exchange->lastpoll = (uint32_t)time(NULL);
                         req->exchange = exchange;
-                        req->hbla = (*exchange->issue.price)(exchange,req->base,req->rel,req->bidasks,req->depth,req->commission,req->argjson);
+                        req->hbla = (*exchange->issue.price)(exchange,req->base,req->rel,req->bidasks,req->depth,req->commission,req->argjson,req->invert);
                         for (i=req->numbids=0; i<req->depth; i++)
                             if ( req->bidasks[i << 1].price > SMALLVAL )
                                 req->numbids++;
                         for (i=req->numasks=0; i<req->depth; i++)
                             if ( req->bidasks[(i << 1) + 1].price > SMALLVAL )
                                 req->numasks++;
+                        //printf("%-10s %s/%s numbids.%d numasks.%d\n",exchange->name,req->base,req->rel,req->numbids,req->numasks);
                         prices777_processprice(exchange,req->base,req->rel,req->bidasks,req->depth);
                     }
                     queue_enqueue("pricesQ",&exchange->pricesQ,&req->DL,0);
@@ -591,7 +629,7 @@ struct exchange_request *exchanges777_baserelfind(struct exchange_info *exchange
     queue_enqueue("pricesQ",&exchange->pricesQ,&PAD.DL,0);
     while ( (req= queue_dequeue(&exchange->pricesQ,0)) != 0 && req != &PAD )
     {
-        if ( ((strcmp(base,req->base) == 0 && strcmp(rel,req->rel) == 0) || (strcmp(rel,req->base) == 0 && strcmp(base,req->rel) == 0)) && (func < 0 || req->func == func) )
+        if ( ((req->invert == 0 && strcmp(base,req->base) == 0 && strcmp(rel,req->rel) == 0) || (req->invert != 0 && strcmp(rel,req->base) == 0 && strcmp(base,req->rel) == 0)) && (func < 0 || req->func == func) )
             retreq = req;
         queue_enqueue("pricesQ",&exchange->pricesQ,&req->DL,0);
     }
@@ -614,18 +652,19 @@ char *exchanges777_unmonitor(struct exchange_info *exchange,char *base,char *rel
 
 char *exchanges777_submit(struct exchange_info *exchange,struct exchange_request *req,int32_t func,int32_t maxseconds)
 {
-    int32_t i;
+    int32_t i; char **retstrp,*retstr;
     req->func = func;
     if ( maxseconds == 0 )
         maxseconds = EXCHANGES777_DEFAULT_TIMEOUT;
-    printf("retstrp.%p\n",req->retstrp);
+    retstrp = req->retstrp;
     queue_enqueue("exchangeQ",&exchange->requestQ,&req->DL,0);
     for (i=0; i<maxseconds; i++)
     {
-        if ( req->retstrp != 0 && *req->retstrp != 0 )
+        if ( retstrp != 0 && (retstr= *retstrp) != 0 )
         {
-            printf("GOT.(%s)\n",*req->retstrp);
-            return(*req->retstrp);
+            //printf("GOT.(%s)\n",retstr);
+            free(retstrp);
+            return(retstr);
         }
         sleep(1);
     }
@@ -635,17 +674,15 @@ char *exchanges777_submit(struct exchange_info *exchange,struct exchange_request
 
 char *exchanges777_Qtrade(struct exchange_info *exchange,char *base,char *rel,int32_t maxseconds,int32_t dotrade,int32_t dir,double price,double volume,cJSON *argjson)
 {
-    struct exchange_request *req; int32_t polarity; char *retstr = 0;
+    struct exchange_request *req; int32_t polarity; 
     if ( exchange->issue.supports == 0 )
         return(clonestr("{\"error\":\"no supports function\"}"));
-    if ( base[0] == 0 || rel[0] == 0 || (polarity= (*exchange->issue.supports)(exchange,base,rel,argjson)) == 0 || price < SMALLVAL || volume < SMALLVAL )
+    if ( base[0] == 0 || rel[0] == 0 || (polarity= (*exchange->issue.supports)(exchange,base,rel,argjson)) <= 0 || price < SMALLVAL || volume < SMALLVAL )
         return(clonestr("{\"error\":\"invalid base or rel\"}"));
     req = calloc(1,sizeof(*req));
-    req->argjson = argjson; req->retstrp = &retstr;
+    req->argjson = argjson; req->retstrp = calloc(1,sizeof(void *));
     safecopy(req->base,base,sizeof(req->base));
     safecopy(req->rel,rel,sizeof(req->rel));
-    if ( polarity < 0 )
-        dir *= -1, volume *= price, price = 1. / price;
     req->price = price, req->volume = volume, req->dir = dir;
     req->dotrade = dotrade;
     return(exchanges777_submit(exchange,req,'T',maxseconds));
@@ -653,7 +690,7 @@ char *exchanges777_Qtrade(struct exchange_info *exchange,char *base,char *rel,in
 
 char *exchanges777_Qprices(struct exchange_info *exchange,char *base,char *rel,int32_t maxseconds,int32_t allfields,int32_t depth,cJSON *argjson,int32_t monitor,double commission)
 {
-    struct exchange_request *req; char *retstr = 0; int32_t polarity;
+    struct exchange_request *req; int32_t polarity;
     if ( exchange->issue.supports == 0 )
         return(clonestr("{\"error\":\"no supports function\"}"));
     if ( base[0] == 0 || rel[0] == 0 || (polarity= (*exchange->issue.supports)(exchange,base,rel,argjson)) == 0 )
@@ -661,11 +698,19 @@ char *exchanges777_Qprices(struct exchange_info *exchange,char *base,char *rel,i
     if ( depth <= 0 )
         depth = 1;
     req = calloc(1,sizeof(*req) + sizeof(*req->bidasks)*depth*2);
-    req->argjson = argjson; req->retstrp = &retstr;
-    safecopy(req->base,base,sizeof(req->base));
-    safecopy(req->rel,rel,sizeof(req->rel));
+    req->argjson = argjson; req->retstrp = calloc(1,sizeof(void *));
+    if ( polarity < 0 )
+    {
+        req->invert = 1;
+        safecopy(req->base,rel,sizeof(req->base));
+        safecopy(req->rel,base,sizeof(req->rel));
+    }
+    else
+    {
+        safecopy(req->base,base,sizeof(req->base));
+        safecopy(req->rel,rel,sizeof(req->rel));
+    }
     req->depth = depth, req->allflag = allfields;
-    req->invert = (polarity < 0);
     if ( (req->commission= commission) == 0. )
         req->commission = exchange->commission;
     if ( monitor == 0 )
@@ -673,7 +718,7 @@ char *exchanges777_Qprices(struct exchange_info *exchange,char *base,char *rel,i
     else
     {
         req->func = 'M';
-        printf("Monitor.%s (%s %s)\n",exchange->name,base,rel);
+        printf("Monitor.%s (%s %s) invert.%d\n",exchange->name,base,rel,req->invert);
         queue_enqueue("pricesQ",&exchange->pricesQ,&req->DL,0);
         return(clonestr("{\"result\":\"start monitoring\"}"));
     }
@@ -681,13 +726,13 @@ char *exchanges777_Qprices(struct exchange_info *exchange,char *base,char *rel,i
 
 char *exchanges777_Qrequest(struct exchange_info *exchange,int32_t func,char *base,char *rel,int32_t maxseconds,uint64_t orderid,char *destaddr,double amount,cJSON *argjson)
 {
-    struct exchange_request *req; char *retstr = 0;
+    struct exchange_request *req;
     req = calloc(1,sizeof(*req));
     req->volume = amount;
     safecopy(req->destaddr,destaddr,sizeof(req->destaddr));
     safecopy(req->base,base,sizeof(req->base));
     safecopy(req->rel,rel,sizeof(req->rel));
-    req->retstrp = &retstr;
+    req->retstrp = calloc(1,sizeof(void *));
     req->orderid = orderid;
     return(exchanges777_submit(exchange,req,func,maxseconds));
 }
@@ -730,9 +775,7 @@ struct exchange_info *exchange_create(char *exchangestr,cJSON *argjson)
     for (i=0; i<sizeof(funcs)/sizeof(*funcs); i++)
     {
         if ( strcmp(exchangestr,funcs[i].name) == 0 )
-        {
             break;
-        }
     }
     if ( i == sizeof(funcs)/sizeof(*funcs) )
     {
@@ -795,7 +838,7 @@ void exchanges777_init(struct supernet_info *myinfo,cJSON *exchanges,int32_t sle
                 myinfo->tradingexchanges[myinfo->numexchanges++] = exchange;
         }
     }
-    if ( 0 )
+    if ( 1 )
     {
         argjson = cJSON_CreateObject();
         for (i=0; i<sizeof(Exchange_names)/sizeof(*Exchange_names); i++)
diff --git a/iguana/iguana_instantdex.c b/iguana/iguana_instantdex.c
index f1a3643fc..4b6d751e1 100755
--- a/iguana/iguana_instantdex.c
+++ b/iguana/iguana_instantdex.c
@@ -78,33 +78,37 @@ char *instantdex_sendcmd(struct supernet_info *myinfo,cJSON *argjson,char *cmdst
     }
 }
 
-int32_t instantdex_updatesources(uint64_t *sortbuf,int32_t n,int32_t ind,int32_t dir,struct exchange_quote *quotes,int32_t numquotes)
+int32_t instantdex_updatesources(struct exchange_quote *sortbuf,int32_t n,int32_t max,int32_t ind,int32_t dir,struct exchange_quote *quotes,int32_t numquotes)
 {
     int32_t i; struct exchange_quote *quote;
+    //printf("instantdex_updatesources update dir.%d numquotes.%d\n",dir,numquotes);
     for (i=0; i<numquotes; i++)
     {
         quote = &quotes[i << 1];
         //printf("n.%d ind.%d i.%d dir.%d price %.8f vol %.8f\n",n,ind,i,dir,quote->price,quote->volume);
         if ( quote->price > SMALLVAL )
         {
-            quote->val = ind;
-            sortbuf[n*2] = quote->price * SATOSHIDEN;
+            sortbuf[n] = *quote;
+            sortbuf[n].val = ind;
             //printf("sortbuf[%d] <-\n",n*2);
-            memcpy(&sortbuf[n*2 + 1],&quote,sizeof(quote));
-            n++;
+            if ( ++n >= max )
+                break;
         }
     }
     return(n);
 }
 
-double instantdex_aveprice(struct supernet_info *myinfo,char *base,char *rel,double volume,cJSON *argjson)
+double instantdex_aveprice(struct supernet_info *myinfo,struct exchange_quote *sortbuf,int32_t max,double *totalvolp,char *base,char *rel,double relvolume,cJSON *argjson)
 {
     char *str; double totalvol,pricesum; uint32_t timestamp;
-    uint64_t sortbuf[64*32][2]; int32_t i,n,num,depth = 30; struct exchange_quote *quote;
+    struct exchange_quote quote; int32_t i,n,dir,num,depth = 100;
     struct exchange_info *exchange; struct exchange_request *req,*active[64];
     timestamp = (uint32_t)time(NULL);
-    //InstantDEX_supports(myinfo,0,argjson,0,"poloniex",base,rel);
-    if ( base != 0 && rel != 0 && volume > SMALLVAL )
+    if ( relvolume < 0. )
+        relvolume = -relvolume, dir = -1;
+    else dir = 1;
+    memset(sortbuf,0,sizeof(*sortbuf) * max);
+    if ( base != 0 && rel != 0 && relvolume > SMALLVAL )
     {
         for (i=num=0; i<myinfo->numexchanges && num < sizeof(active)/sizeof(*active); i++)
         {
@@ -123,43 +127,46 @@ double instantdex_aveprice(struct supernet_info *myinfo,char *base,char *rel,dou
                 }
                 else
                 {
+                    //printf("active.%s\n",exchange->name);
                     active[num++] = req;
                 }
             }
         }
         for (i=n=0; i<num; i++)
         {
-            if ( active[i]->timestamp > timestamp-30 )
-            {
-                if ( volume < 0. && active[i]->numbids > 0 )
-                    n = instantdex_updatesources(&sortbuf[0][0],n,i,1,active[i]->bidasks,active[i]->numbids);
-                else if ( volume > 0. && active[i]->numasks > 0 )
-                    n = instantdex_updatesources(&sortbuf[0][0],n,i,-1,&active[i]->bidasks[1],active[i]->numasks);
-            }
+            if ( dir < 0 && active[i]->numbids > 0 )
+                n = instantdex_updatesources(sortbuf,n,max,i,1,active[i]->bidasks,active[i]->numbids);
+            else if ( dir > 0 && active[i]->numasks > 0 )
+                n = instantdex_updatesources(sortbuf,n,max,i,-1,&active[i]->bidasks[1],active[i]->numasks);
         }
-        if ( volume < 0. )
-            revsort64s(&sortbuf[0][0],n,sizeof(*sortbuf) * 2);
-        else sort64s(&sortbuf[0][0],n,sizeof(*sortbuf) * 2);
-        for (totalvol=pricesum=i=0; i<n && totalvol < volume; i++)
+        //printf("dir.%d %s/%s numX.%d n.%d\n",dir,base,rel,num,n);
+        if ( dir < 0 )
+            revsort64s(&sortbuf[0].satoshis,n,sizeof(*sortbuf));
+        else sort64s(&sortbuf[0].satoshis,n,sizeof(*sortbuf));
+        for (totalvol=pricesum=i=0; i<n && totalvol < relvolume; i++)
         {
-            memcpy(&quote,&sortbuf[i][1],sizeof(uint64_t));
-            printf("i.%d price %.8f %llu quote.%p\n",i,dstr(sortbuf[i][0]),(long long)sortbuf[i][1],quote);
-            if ( quote != 0 )
+            quote = sortbuf[i];
+            //printf("n.%d i.%d price %.8f %.8f %.8f\n",n,i,dstr(sortbuf[i].satoshis),sortbuf[i].price,quote.volume);
+            if ( quote.satoshis != 0 )
             {
-                pricesum += (quote->price * quote->volume);
-                totalvol += quote->volume;
-                printf("i.%d %12.8f vol %.8f %s | aveprice %.8f total vol %.8f\n",i,dstr(sortbuf[i][0]),quote->volume,active[quote->val]->exchange->name,pricesum/totalvol,totalvol);
+                pricesum += (quote.price * quote.volume);
+                totalvol += quote.volume;
+                //printf("i.%d of %d %12.8f vol %.8f %s | aveprice %.8f total vol %.8f\n",i,n,sortbuf[i].price,quote.volume,active[quote.val]->exchange->name,pricesum/totalvol,totalvol);
             }
         }
         if ( totalvol > 0. )
+        {
+            *totalvolp = pricesum;
             return(pricesum / totalvol);
+        }
     }
+    *totalvolp = 0;
     return(0);
 }
 
 char *instantdex_request(struct supernet_info *myinfo,struct instantdex_msghdr *msg,cJSON *argjson,char *remoteaddr,uint64_t signerbits,uint8_t *data,int32_t datalen)
 {
-    char *base,*rel,*request; double volume,aveprice; int32_t num,depth;
+    char *base,*rel,*request; double volume,aveprice,totalvol; int32_t num,depth; struct exchange_quote sortbuf[1000];
     if ( argjson != 0 )
     {
         num = 0;
@@ -168,7 +175,7 @@ char *instantdex_request(struct supernet_info *myinfo,struct instantdex_msghdr *
         base = jstr(argjson,"base");
         rel = jstr(argjson,"rel");
         volume = jdouble(argjson,"volume");
-        aveprice = instantdex_aveprice(myinfo,base,rel,volume,argjson);
+        aveprice = instantdex_aveprice(myinfo,sortbuf,(int32_t)(sizeof(sortbuf)/sizeof(*sortbuf)),&totalvol,base,rel,volume,argjson);
         return(clonestr("{\"result\":\"request calculated aveprice\"}"));
         return(clonestr("{\"error\":\"request missing parameter\"}"));
     } else return(clonestr("{\"error\":\"request needs argjson\"}"));
diff --git a/iguana/main.c b/iguana/main.c
index 24e3d3f3f..3fa0590b3 100644
--- a/iguana/main.c
+++ b/iguana/main.c
@@ -295,10 +295,6 @@ void mainloop(struct supernet_info *myinfo)
         }
         if ( flag == 0 )
         {
-            //double avebid,aveask; cJSON *argjson = cJSON_Parse("{}");
-            //avebid = instantdex_aveprice(myinfo,"NXT","BTC",10000,argjson);
-            //aveask = instantdex_aveprice(myinfo,"NXT","BTC",-10000,argjson);
-            //printf("avebid %.8f aveask %.8f\n",avebid,aveask);
             sleep(10);
         }
     }
diff --git a/iguana/pnacl/Release/iguana.nmf b/iguana/pnacl/Release/iguana.nmf
new file mode 100644
index 000000000..9d37ed227
--- /dev/null
+++ b/iguana/pnacl/Release/iguana.nmf
@@ -0,0 +1,12 @@
+{
+  "program": {
+    "portable": {
+      "pnacl-translate": {
+        "url": "iguana.pexe"
+      },
+      "pnacl-debug": {
+        "url": "iguana_unstripped.bc"
+      }
+    }
+  }
+}
diff --git a/iguana/pnacl/Release/iguana.pexe b/iguana/pnacl/Release/iguana.pexe
new file mode 100644
index 000000000..2de67d2cc
Binary files /dev/null and b/iguana/pnacl/Release/iguana.pexe differ