cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *method,char *payload)
{
/*signature is a HMAC-SHA256 encoded message containing: nonce, customer ID (can be found here) and API key. The HMAC-SHA256 code must be generated using a secret key that was generated with your API key. This code must be converted to it's hexadecimal representation (64 uppercase characters).Example (Python):
message = nonce + customer_id + api_key
signature = hmac.new(API_SECRET, msg=message, digestmod=hashlib.sha256).hexdigest().upper()
key - API key
signature - signature
nonce - nonce
*/
char dest[1025],url[1024],req[1024],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;
nonce = exchange_nonce(exchange);
sprintf(req,"%llu%s%s",(long long)nonce,exchange->userid,exchange->apikey);
json = 0;
if ( (sig= hmac_sha256_str(dest,exchange->apisecret,(int32_t)strlen(exchange->apisecret),req)) != 0 )
{
//touppercase(sig);
//printf("req.(%s) sig.(%s)\n",req,sig);
//sprintf(req,"{\"key\":\"%s\",\"signature\":\"%s\",\"nonce\":%llu%s}",exchange->apikey,sig,(long long)nonce,payload);
sprintf(req,"key=%s&signature=%s&nonce=%llu%s",exchange->apikey,sig,(long long)nonce,payload);
//printf("submit.(%s)\n",req);
sprintf(url,"%s/%s/",EXCHANGE_AUTHURL,method);
if ( dotrade == 0 )
data = exchange_would_submit(req,hdr1,hdr2,hdr3,hdr4);
else if ( (data= curl_post(cHandlep,url,0,req,req,hdr2,hdr3,hdr4)) != 0 )
json = cJSON_Parse(data);
}
if ( retstrp != 0 )
*retstrp = data;
else if ( data != 0 )
free(data);
return(json);
}
cJSON *BALANCES(struct exchange_info *exchange)
{
char payload[1024],*method;
method = "balances";
sprintf(payload,"{\"request\":\"/v1/%s\",\"nonce\":\"%llu\"}",method,(long long)exchange_nonce(exchange));
return(SIGNPOST(0,exchange,payload,method));
}
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)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(cHandlep,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 *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(struct exchange_info *exchange,cJSON *argjson)
{
char payload[1024],*method,*retstr = 0; cJSON *json;
method = "orders";
sprintf(payload,"{\"request\":\"/v1/%s\",\"nonce\":\"%llu\"}",method,(long long)exchange_nonce(exchange));
if ( (json= SIGNPOST(&retstr,exchange,payload,method)) != 0 )
{
free_json(json);
}
return(retstr); // return standardized open orders
}
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¤cyPair=%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
}
cJSON *huobi_issue_auth(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(0,exchange,payload));
}
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¤cyPair=%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);
}
cJSON *SIGNPOST(void **cHandlep,int32_t dotrade,char **retstrp,struct exchange_info *exchange,char *payload,char *path)
{
char cmdbuf[2048],url[1024],buf[1024],hdr1[512],hdr2[512],hdr3[512],hdr4[512],digest[33],*data;
cJSON *json;
uint64_t nonce;
hdr1[0] = hdr2[0] = hdr3[0] = hdr4[0] = 0;
json = 0;
nonce = exchange_nonce(exchange);
sprintf(buf,"%s_%s_%s_%llu",exchange->apikey,exchange->userid,exchange->apisecret,(long long)nonce);
//printf("MD5.(%s)\n",buf);
calc_md5(digest,buf,(int32_t)strlen(buf));
sprintf(cmdbuf,"key=%s&time=%llu&md5=%s%s",exchange->apikey,(long long)nonce,digest,payload);
sprintf(url,"%s/%s",EXCHANGE_AUTHURL,path);
if ( dotrade == 0 )
data = exchange_would_submit(payload,hdr1,hdr2,hdr3,hdr4);
else if ( (data= curl_post(cHandlep,url,0,cmdbuf,hdr1,hdr2,hdr3,hdr4)) != 0 )
json = cJSON_Parse(data);
if ( retstrp != 0 )
*retstrp = data;
else if ( data != 0 )
free(data);
return(json);
}
uint64_t TRADE(char **retstrp,struct exchange_info *exchange,char *base,char *rel,int32_t dir,double price,double volume)
{
char payload[1024],pairstr[512],*typestr,*method,*extra; 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)) == 0 )
{
printf("cant find baserel (%s/%s)\n",base,rel);
return(0);
}
method = "order/new";
//Either "market" / "limit" / "stop" / "trailing-stop" / "fill-or-kill" / "exchange market" / "exchange limit" / "exchange stop" / "exchange trailing-stop" / "exchange fill-or-kill". (type starting by "exchange " are exchange orders, others are margin trading orders)
if ( (typestr= extra) == 0 )
typestr = "exchange limit";
sprintf(payload,"{\"request\":\"/v1/%s\",\"nonce\":\"%llu\",\"exchange\":\"bitfinex\",\"side\":\"%s\",\"type\":\"%s\",\"price\":\"%.8f\",\"amount\":\"%.8f\",\"symbol\":\"%s\"}",method,(long long)exchange_nonce(exchange),dir>0?"buy":"sell",typestr,price,volume,pairstr);
if ( (json= SIGNPOST(retstrp,exchange,payload,method)) != 0 )
{
if ( (txid= j64bits(json,"order_id")) == 0 )
{
if ( dir != 0 )
printf("bitfinex: no txid error\n");
}
free_json(json);
}
return(txid);
}
char *WITHDRAW(struct exchange_info *exchange,cJSON *argjson)
{
char payload[1024],*method,*base,*destaddr,*type,*retstr = 0; cJSON *json; double amount;
amount = jdouble(argjson,"amount");
if ( (destaddr= jstr(argjson,"destaddr")) == 0 || amount < SMALLVAL )
return(clonestr("{\"error\":\"no destaddr specified or amount too small\"}"));
if ( (base= jstr(argjson,"base")) == 0 )
base = "bitcoin";
else if ( strcmp(base,"BTC") == 0 )
base = "bitcoin";
else if ( strcmp(base,"LTC") == 0 )
base = "litecoin";
else if ( strcmp(base,"DRK") == 0 )
base = "darkcoin";
else return(clonestr("{\"error\":\"invalid base specified\"}"));
if ( (type= jstr(argjson,"extra")) == 0 )
type = "exchange";
else if ( strcmp(type,"exchange") != 0 && strcmp(type,"trading") != 0 && strcmp(type,"deposit") != 0 )
return(clonestr("{\"error\":\"invalid wallet type specified\"}"));
method = "withdraw";
sprintf(payload,"{\"request\":\"/v1/%s\",\"nonce\":\"%llu\",\"amount\":\"%.6f\",\"withdraw_type\":\"%s\",\"walletselected\":\"%s\",\"address\":\"%s\"}",method,(long long)exchange_nonce(exchange),amount,base,type,destaddr);
if ( (json= SIGNPOST(&retstr,exchange,payload,method)) != 0 )
{
free_json(json);
}
return(retstr); // return standardized withdraw
}
char *TRADEHISTORY(struct exchange_info *exchange,cJSON *argjson)
{
char payload[1024],baserel[16],*method,*base,*rel,*retstr = 0; uint32_t timestamp; cJSON *json;
method = "mytrades";
base = jstr(argjson,"base");
rel = jstr(argjson,"rel");
if ( base == 0 || rel == 0 )
{
base = "BTC";
rel = "USD";
}
sprintf(baserel,"%s%s",base,rel);
timestamp = juint(argjson,"start");
sprintf(payload,"{\"request\":\"/v1/%s\",\"nonce\":\"%llu\",\"symbol\":\"%s\",\"timestamp\":%u}",method,(long long)exchange_nonce(exchange),baserel,timestamp);
//printf("TRADEHISTORY.(%s)\n",payload);
if ( (json= SIGNPOST(&retstr,exchange,payload,method)) != 0 )
{
free_json(json);
}
return(retstr); // return standardized tradehistory
}
char *CANCELORDER(struct exchange_info *exchange,cJSON *argjson,uint64_t quoteid)
{
char payload[1024],*method,*retstr = 0; cJSON *json;
method = "order/cancel";
sprintf(payload,"{\"request\":\"/v1/%s\",\"nonce\":\"%llu\",\"order_id\":%llu}",method,(long long)exchange_nonce(exchange),(long long)quoteid);
if ( (json= SIGNPOST(&retstr,exchange,payload,method)) != 0 )
{
free_json(json);
}
return(retstr); // return standardized cancelorder
}
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 *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¤cy=%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
}
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¤cyPair=%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
}
