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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 "huobi"
#define UPDATE prices777_ ## huobi
#define SUPPORTS huobi ## _supports
#define SIGNPOST huobi ## _signpost
#define TRADE huobi ## _trade
#define ORDERSTATUS huobi ## _orderstatus
#define CANCELORDER huobi ## _cancelorder
#define OPENORDERS huobi ## _openorders
#define TRADEHISTORY huobi ## _tradehistory
#define BALANCES huobi ## _balances
#define PARSEBALANCE huobi ## _parsebalance
#define WITHDRAW huobi ## _withdraw
#define CHECKBALANCE huobi ## _checkbalance
double UPDATE(struct prices777 *prices,int32_t maxdepth)
{
if ( prices->url[0] == 0 )
sprintf(prices->url,"http://api.huobi.com/staticmarket/depth_%s_json.js ",prices->lbase);
return(prices777_standard("huobi",prices->url,prices,0,0,maxdepth,0));
}
int32_t SUPPORTS(char *base,char *rel)
{
char *baserels[][2] = { {"btc","cny"}, {"ltc","cny"} };
return(baserel_polarity(baserels,(int32_t)(sizeof(baserels)/sizeof(*baserels)),base,rel));
}
cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *payload)
{
char *data; cJSON *json;
json = 0;
//if ( (data= curl_post(&cHandle,"https://api.huobi.com/apiv3",0,payload,"Content-Type:application/x-www-form-urlencoded",0,0,0)) != 0 )
if ( dotrade == 0 )
data = exchange_would_submit(payload,"","","","");
else if ( (data= curl_post(cHandlep,"https://api.huobi.com/apiv3",0,payload,"",0,0,0)) != 0 )
json = cJSON_Parse(data);
if ( retstrp != 0 )
*retstrp = data;
else if ( data != 0 )
free(data);
return(json);
}
cJSON *huobi_issue_auth(void **cHandlep,struct exchange_info *exchange,char *method,char *buf)
{
char payload[1024],digest[33],tmp[1024]; uint64_t nonce;
nonce = exchange_nonce(exchange);
sprintf(tmp,"access_key=%s&created=%llu&method=%s%s",exchange->apikey,(long long)nonce,method,buf);
sprintf(payload,"%s&secret_key=%s",tmp,exchange->apisecret);
//printf("tmp.(%s) payload.(%s)\n",tmp,payload);
calc_md5(digest,payload,(int32_t)strlen(payload));
sprintf(payload,"%s&sign=%s",tmp,digest);
//printf("-> (%s)\n",payload);
return(SIGNPOST(cHandlep,1,0,exchange,payload));
}
char *PARSEBALANCE(struct exchange_info *exchange,double *balancep,char *coinstr)
{
char field[128],*itemstr = 0; cJSON *obj,*item;
*balancep = 0.;
strcpy(field,coinstr);
tolowercase(field);
if ( exchange->balancejson != 0 && (obj= jobj(exchange->balancejson,"return")) != 0 && (item= jobj(obj,"funds")) != 0 )
{
*balancep = jdouble(item,field);
obj = cJSON_CreateObject();
touppercase(field);
jaddstr(obj,"base",field);
jaddnum(obj,"balance",*balancep);
itemstr = jprint(obj,1);
}
if ( itemstr == 0 )
return(clonestr("{\"error\":\"cant find coin balance\"}"));
return(itemstr);
}
cJSON *BALANCES(void **cHandlep,struct exchange_info *exchange)
{
return(huobi_issue_auth(cHandlep,exchange,"get_account_info",""));
}
#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],pricestr[64],*extra,*method; cJSON *json; int32_t type; uint64_t txid = 0;
if ( (extra= *retstrp) != 0 )
*retstrp = 0;
if ( (dir= flipstr_for_exchange(exchange,pairstr,"%s%s",dir,&price,&volume,base,rel)) == 0 )
{
printf("cant find baserel (%s/%s)\n",base,rel);
return(0);
}
if ( extra != 0 && strcmp(extra,"market") == 0 )
method = (dir > 0) ? "buy_market" : "sell_market";
else method = (dir > 0) ? "buy" : "sell", sprintf(pricestr,"&price=%.2f",price);
if ( strcmp(pairstr,"btccny") == 0 )
type = 1;
else if ( strcmp(pairstr,"ltccny") == 0 )
type = 2;
else
{
printf("cant find baserel (%s/%s)\n",base,rel);
return(0);
}
sprintf(payload,"&amount=%.4f&coin_type=%d%s",volume,type,pricestr);
if ( CHECKBALANCE(retstrp,dotrade,exchange,dir,base,rel,price,volume) == 0 && (json= huobi_issue_auth(cHandlep,exchange,method,payload)) != 0 )
{
txid = j64bits(json,"order_id");
free_json(json);
}
return(txid);
}
char *ORDERSTATUS(void **cHandlep,struct exchange_info *exchange,cJSON *argjson,uint64_t quoteid)
{
char payload[1024];
sprintf(payload,"&id=%llu&coin_type=1",(long long)quoteid);
return(jprint(huobi_issue_auth(cHandlep,exchange,"order_info",payload),1));
}
char *CANCELORDER(void **cHandlep,struct exchange_info *exchange,cJSON *argjson,uint64_t quoteid)
{
char payload[1024];
sprintf(payload,"&id=%llu&coin_type=1",(long long)quoteid);
return(jprint(huobi_issue_auth(cHandlep,exchange,"cancel_order",payload),1));
}
char *OPENORDERS(void **cHandlep,struct exchange_info *exchange,cJSON *argjson)
{
return(jprint(huobi_issue_auth(cHandlep,exchange,"get_orders","&coin_type=1"),1));
}
char *TRADEHISTORY(void **cHandlep,struct exchange_info *exchange,cJSON *argjson)
{
return(clonestr("{\"error\":\"huobi doesnt seem to have trade history api!\"}"));
}
char *WITHDRAW(void **cHandlep,struct exchange_info *exchange,cJSON *argjson)
{
char payload[1024],*base,*destaddr,*method; double amount;
if ( (base= jstr(argjson,"base")) == 0 || strcmp(base,"BTC") != 0 )
return(clonestr("{\"error\":\"base not specified or base != BTC\"}"));
if ( (destaddr= jstr(argjson,"destaddr")) == 0 )
return(clonestr("{\"error\":\"destaddr not specified\"}"));
if ( (amount= jdouble(argjson,"amount")) < SMALLVAL )
return(clonestr("{\"error\":\"amount not specified\"}"));
method = "withdraw_coin";
sprintf(payload,"&coin_type=1&withdraw_address=%s&withdraw_amount=%.4f",destaddr,amount);
return(jprint(huobi_issue_auth(cHandlep,exchange,method,payload),1));
}
struct exchange_funcs huobi_funcs = EXCHANGE_FUNCS(huobi,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 CHECKBALANCE