Bestfit

iguana/exchanges/LP_commands.c

@@ -67,6 +67,7 @@ enable(coin)\n\
 disable(coin)\n\
 inventory(coin)\n\
 autotrade(base, rel, price, relvolume, timeout=10, duration=3600)\n\
+bestfit(rel, relvolume)\n\
 swapstatus()\n\
 swapstatus(requestid, quoteid)\n\
 public API:\n \
@@ -127,13 +128,15 @@ forwardhex(pubkey,hex)\n\
                     return(jprint(retjson,1));
                 } else return(clonestr("{\"error\":\"no price set\"}"));
             }
-            else if ( strcmp(method,"autotrade") == 0 )
+            else if ( strcmp(method,"autotrade") == 0 || strcmp(method,"bestfit") == 0 )
             {
                 if ( price > SMALLVAL )
                 {
                     printf("price set (%s/%s) <- %.8f\n",rel,base,1./price);
                     LP_mypriceset(rel,base,1./price);
-                    return(LP_autotrade(ctx,myipaddr,pubsock,profitmargin,base,rel,price,jdouble(argjson,"relvolume"),jint(argjson,"timeout"),jint(argjson,"duration")));
+                    if ( strcmp(method,"autotrade") == 0 )
+                        return(LP_autotrade(ctx,myipaddr,pubsock,profitmargin,base,rel,price,jdouble(argjson,"relvolume"),jint(argjson,"timeout"),jint(argjson,"duration")));
+                    else return(LP_bestfit(rel,jdouble(argjson,"relvolume")));
                 } else return(clonestr("{\"error\":\"no price set\"}"));
             }
         }
@@ -202,7 +205,7 @@ forwardhex(pubkey,hex)\n\
     else if ( strcmp(method,"getprices") == 0 )
         return(LP_prices());
     else if ( strcmp(method,"orderbook") == 0 )
-       return(LP_orderbook(base,rel,jint(argjson,"duration")));
+        return(LP_orderbook(base,rel,jint(argjson,"duration")));
     else if ( strcmp(method,"registerall") == 0 )
         return(LP_registerall(jint(argjson,"numnodes")));
     else if ( strcmp(method,"forward") == 0 )

iguana/exchanges/LP_ordermatch.c

@@ -560,11 +560,23 @@ int32_t LP_tradecommand(void *ctx,char *myipaddr,int32_t pubsock,cJSON *argjson,
     return(retval);
 }
 
+char *LP_bestfit(char *rel,double relvolume)
+{
+    struct LP_utxoinfo *autxo;
+    if ( relvolume <= 0. || LP_priceinfofind(rel) == 0 )
+        return(clonestr("{\"error\":\"invalid parameter\"}"));
+    if ( (autxo= LP_utxo_bestfit(rel,SATOSHIDEN * relvolume)) == 0 )
+        return(clonestr("{\"error\":\"cant find utxo that is big enough\"}"));
+    return(jprint(LP_utxojson(autxo),1));
+}
+
 char *LP_autotrade(void *ctx,char *myipaddr,int32_t mypubsock,double profitmargin,char *base,char *rel,double maxprice,double relvolume,int32_t timeout,int32_t duration)
 {
     int64_t satoshis,destsatoshis,desttxfee,txfee,bestdestsatoshis=0; bits256 txid,pubkey; char *obookstr,*retstr; cJSON *orderbook,*asks,*item,*bestitem=0; struct LP_utxoinfo *autxo,*butxo,*bestutxo = 0; int32_t i,vout,numasks,DEXselector=0; uint32_t expiration; double ordermatchprice,bestmetric,metric,bestprice=0.,vol,price; struct LP_quoteinfo Q; struct LP_pubkeyinfo *pubp;
     if ( duration <= 0 )
         duration = LP_ORDERBOOK_DURATION;
+    if ( timeout <= 0 )
+        timeout = LP_AUTOTRADE_TIMEOUT;
     if ( maxprice <= 0. || relvolume <= 0. || LP_priceinfofind(base) == 0 || LP_priceinfofind(rel) == 0 )
         return(clonestr("{\"error\":\"invalid parameter\"}"));
     if ( (autxo= LP_utxo_bestfit(rel,SATOSHIDEN * relvolume)) == 0 )
@@ -574,8 +586,6 @@ char *LP_autotrade(void *ctx,char *myipaddr,int32_t mypubsock,double profitmargi
         desttxfee = LP_MIN_TXFEE;
     if ( (txfee= LP_getestimatedrate(base) * LP_AVETXSIZE) < LP_MIN_TXFEE )
         txfee = LP_MIN_TXFEE;
-    if ( timeout <= 0 )
-        timeout = LP_AUTOTRADE_TIMEOUT;
     if ( (obookstr= LP_orderbook(base,rel,duration)) != 0 )
     {
         if ( (orderbook= cJSON_Parse(obookstr)) != 0 )

iguana/exchanges/autotrade

@@ -1,2 +1,2 @@
 source userpass
-curl --url "http://127.0.0.1:7779" --data "{\"userpass\":\"$userpass\",\"method\":\"autotrade\",\"base\":\"REVS\",\"rel\":\"KMD\",\"volume\":1.01,\"price\":1.234}"
+curl --url "http://127.0.0.1:7779" --data "{\"userpass\":\"$userpass\",\"method\":\"autotrade\",\"base\":\"REVS\",\"rel\":\"KMD\",\"relvolume\":1.01,\"price\":1.234}"

iguana/exchanges/bestfit

@@ -0,0 +1,2 @@
+source userpass
+curl --url "http://127.0.0.1:7779" --data "{\"userpass\":\"$userpass\",\"method\":\"bestfit\",\"rel\":\"KMD\",\"relvolume\":1.01}"

iguana/exchanges/install

@@ -1,4 +1,4 @@
-cp orderbook autotrade client run_osx client_osx run coins disable enable forward myprice myprices getcoins getpeers getpeersIP getprices getutxos help inv lookup pub setprice status utxos ../dexscripts
+cp bestfit orderbook autotrade client run_osx client_osx run coins disable enable forward myprice myprices getcoins getpeers getpeersIP getprices getutxos help inv lookup pub setprice status utxos ../dexscripts
 cd ../dexscripts
-cp ../exchanges/passphrase ../exchanges/userpass .
-echo you will need to modify passphrase file with your passphrase and userpass file with userpass value
+#cp ../exchanges/passphrase ../exchanges/userpass .
+echo you will need to have a passphrase file with your passphrase and userpass file with userpass value in dexscripts dir