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/******************************************************************************
* Copyright © 2014-2015 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 "poloniex"
#define UPDATE prices777_ ## poloniex
#define SUPPORTS poloniex ## _supports
#define SIGNPOST poloniex ## _signpost
#define TRADE poloniex ## _trade
#define ORDERSTATUS poloniex ## _orderstatus
#define CANCELORDER poloniex ## _cancelorder
#define OPENORDERS poloniex ## _openorders
#define TRADEHISTORY poloniex ## _tradehistory
#define BALANCES poloniex ## _balances
#define PARSEBALANCE poloniex ## _parsebalance
#define WITHDRAW poloniex ## _withdraw
#define EXCHANGE_AUTHURL "https://poloniex.com/tradingApi"
#define CHECKBALANCE poloniex ## _checkbalance
double UPDATE(struct prices777 *prices,int32_t maxdepth)
{
char market[128];
if ( prices->url[0] == 0 )
{
sprintf(market,"%s_%s",prices->rel,prices->base);
sprintf(prices->url,"https://poloniex.com/public?command=returnOrderBook&currencyPair=%s&depth=%d",market,maxdepth);
}
return(prices777_standard(EXCHANGE_NAME,prices->url,prices,0,0,maxdepth,0));
}
int32_t SUPPORTS(char *base,char *rel)
{
//char *baserels[][2] = { {"btc","usd"} };
//return(baserel_polarity(baserels,(int32_t)(sizeof(baserels)/sizeof(*baserels)),base,rel));
if ( strlen(base) > 5 || strlen(rel) > 5 || strcmp(rel,"CNY") == 0 || strcmp(base,"CNY") == 0 || strcmp(rel,"USD") == 0 || strcmp(base,"USD") == 0 )
return(0);
if ( strcmp(rel,"BTC") == 0 )
return(1);
else if ( strcmp(base,"BTC") == 0 )
return(-1);
else return(0);
}
cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *url,char *payload)
{
char dest[SHA512_DIGEST_SIZE*2+1],hdr1[512],hdr2[512],hdr3[512],hdr4[512],*data,*sig; cJSON *json;
hdr1[0] = hdr2[0] = hdr3[0] = hdr4[0] = 0;
json = 0;
if ( (sig= hmac_sha512_str(dest,exchange->apisecret,(int32_t)strlen(exchange->apisecret),payload)) != 0 )
sprintf(hdr1,"Sign:%s",sig);
else hdr1[0] = 0;
sprintf(hdr2,"Key:%s",exchange->apikey);
if ( dotrade == 0 )
data = exchange_would_submit(payload,hdr1,hdr2,hdr3,hdr4);
else if ( (data= curl_post(cHandlep,url,0,payload,hdr1,hdr2,hdr3,hdr4)) != 0 )
json = cJSON_Parse(data);
if ( retstrp != 0 )
*retstrp = data;
else if ( data != 0 )
free(data);
return(json);
}
cJSON *BALANCES(void **cHandlep,struct exchange_info *exchange)
{
char payload[1024];
sprintf(payload,"command=returnCompleteBalances&nonce=%llu",(long long)exchange_nonce(exchange));
return(SIGNPOST(cHandlep,1,0,exchange,EXCHANGE_AUTHURL,payload));
}
char *PARSEBALANCE(struct exchange_info *exchange,double *balancep,char *coinstr)
{
char *itemstr = 0; cJSON *item,*obj; double onorders,btcvalue;
*balancep = 0.;
if ( exchange->balancejson != 0 && (item= jobj(exchange->balancejson,coinstr)) != 0 )
{
itemstr = jprint(item,0);
*balancep = jdouble(item,"available");
onorders = jdouble(item,"onOrders");
btcvalue = jdouble(item,"btcValue");
if ( (obj= cJSON_Parse(itemstr)) != 0 )
{
free(itemstr);
jaddstr(obj,"base",coinstr);
jaddnum(obj,"balance",*balancep);
jaddnum(obj,"onOrders",onorders);
jaddnum(obj,"btcvalue",btcvalue);
itemstr = jprint(obj,1);
}
}
if ( itemstr == 0 )
return(clonestr("{\"error\":\"cant find coin balance\"}"));
return(itemstr);
}
#include "checkbalance.c"
uint64_t TRADE(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *base,char *rel,int32_t dir,double price,double volume)
{
char payload[1024],pairstr[64],*extra,*typestr; cJSON *json; uint64_t nonce,txid = 0;
nonce = exchange_nonce(exchange);
if ( (extra= *retstrp) != 0 )
*retstrp = 0;
dir = flip_for_exchange(pairstr,"%s_%s","BTC",dir,&price,&volume,base,rel);
if ( extra != 0 && strcmp(extra,"margin") == 0 )
typestr = (dir > 0) ? "marginBuy":"marginSell";
else typestr = (dir > 0) ? "buy":"sell";
sprintf(payload,"command=%s&nonce=%lld&currencyPair=%s&rate=%.8f&amount=%.8f",typestr,(long long)nonce,pairstr,price,volume);
if ( CHECKBALANCE(retstrp,dotrade,exchange,dir,base,rel,price,volume) == 0 && (json= SIGNPOST(cHandlep,dotrade,retstrp,exchange,EXCHANGE_AUTHURL,payload)) != 0 )
{
txid = (get_API_nxt64bits(cJSON_GetObjectItem(json,"orderNumber")) << 32) | get_API_nxt64bits(cJSON_GetObjectItem(json,"tradeID"));
free_json(json);
}
return(txid);
}
void poloniex_setpair(char *pair,cJSON *argjson)
{
char *base,*rel;
base = jstr(argjson,"base");
rel = jstr(argjson,"rel");
if ( base == 0 || rel == 0 )
strcpy(pair,"all");
else sprintf(pair,"%s_%s",rel,base);
}
char *CANCELORDER(void **cHandlep,struct exchange_info *exchange,cJSON *argjson,uint64_t quoteid)
{
char payload[1024],*retstr = 0; cJSON *json;
sprintf(payload,"command=cancelOrder&nonce=%llu&orderNumber=%llu",(long long)exchange_nonce(exchange),(long long)quoteid);
if ( (json= SIGNPOST(cHandlep,1,&retstr,exchange,EXCHANGE_AUTHURL,payload)) != 0 )
{
free_json(json);
}
return(retstr); // return standardized cancelorder
}
char *OPENORDERS(void **cHandlep,struct exchange_info *exchange,cJSON *argjson)
{
char payload[1024],pair[64],*retstr = 0; cJSON *json;
poloniex_setpair(pair,argjson);
sprintf(payload,"command=returnOpenOrders&nonce=%llu&currencyPair=%s",(long long)exchange_nonce(exchange),pair);
if ( (json= SIGNPOST(cHandlep,1,&retstr,exchange,EXCHANGE_AUTHURL,payload)) != 0 )
{
free_json(json);
}
return(retstr); // return standardized open orders
}
char *TRADEHISTORY(void **cHandlep,struct exchange_info *exchange,cJSON *argjson)
{
char payload[1024],pair[64],*retstr = 0; cJSON *json; uint32_t timestamp,endstamp;
poloniex_setpair(pair,argjson);
timestamp = juint(argjson,"start");
endstamp = juint(argjson,"end");
sprintf(payload,"command=returnTradeHistory&nonce=%llu&currencyPair=%s",(long long)exchange_nonce(exchange),pair);
if ( timestamp != 0 )
sprintf(payload + strlen(payload),"&start=%u",timestamp);
if ( endstamp != 0 )
sprintf(payload + strlen(payload),"&end=%u",endstamp);
if ( (json= SIGNPOST(cHandlep,1,&retstr,exchange,EXCHANGE_AUTHURL,payload)) != 0 )
{
free_json(json);
}
return(retstr); // return standardized tradehistory
}
char *ORDERSTATUS(void **cHandlep,struct exchange_info *exchange,cJSON *argjson,uint64_t quoteid)
{
char *status,*retstr; uint32_t iter;
for (iter=0; iter<2; iter++)
{
if ( iter == 0 )
status = OPENORDERS(cHandlep,exchange,argjson);
else status = TRADEHISTORY(cHandlep,exchange,argjson);
if ( (retstr= exchange_extractorderid(iter,status,quoteid,"orderNumber")) != 0 )
{
free(status);
return(retstr);
}
free(status);
}
return(clonestr("{\"error\":\"cant find quoteid\"}"));
}
char *WITHDRAW(void **cHandlep,struct exchange_info *exchange,cJSON *argjson)
{
char payload[1024],*destaddr,*paymentid,*base,*retstr = 0; cJSON *json; double amount;
if ( (base= jstr(argjson,"base")) == 0 )
return(clonestr("{\"error\":\"base not specified\"}"));
if ( (destaddr= jstr(argjson,"destaddr")) == 0 )
return(clonestr("{\"error\":\"destaddr not specified\"}"));
if ( (amount= jdouble(argjson,"amount")) < SMALLVAL )
return(clonestr("{\"error\":\"amount not specified\"}"));
paymentid = jstr(argjson,"paymentid");
sprintf(payload,"command=withdraw&nonce=%llu&currency=%s&amount=%.6f&address=%s",(long long)exchange_nonce(exchange),base,amount,destaddr);
if ( paymentid != 0 )
sprintf(payload + strlen(payload),"&paymentId=%s",paymentid);
if ( (json= SIGNPOST(cHandlep,1,&retstr,exchange,EXCHANGE_AUTHURL,payload)) != 0 )
{
free_json(json);
}
return(retstr); // return standardized withdraw
}
struct exchange_funcs poloniex_funcs = EXCHANGE_FUNCS(poloniex,EXCHANGE_NAME);
#undef UPDATE
#undef SUPPORTS
#undef SIGNPOST
#undef TRADE
#undef ORDERSTATUS
#undef CANCELORDER
#undef OPENORDERS
#undef TRADEHISTORY
#undef BALANCES
#undef PARSEBALANCE
#undef WITHDRAW
#undef EXCHANGE_NAME
#undef EXCHANGE_AUTHURL
#undef CHECKBALANCE