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,totalvol; int32_t num,depth; struct exchange_quote sortbuf[1000];
if ( argjson != 0 )
{
num = 0;
depth = 30;
request = jstr(argjson,"request");
base = jstr(argjson,"base");
rel = jstr(argjson,"rel");
volume = jdouble(argjson,"volume");
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\"}"));
}
void PAX_update(struct peggy_info *PEGS,double *btcusdp,double *btcdbtcp)
{
int32_t i,n,seconds,datenum; uint32_t timestamp; char url[1024],*dstr,*str;
double btcddaily=0.,btcusd=0.,ask,high,low,bid,close,vol,quotevol,open,price = 0.;
//cJSON *btcdtrades,*btcdtrades2,*,*bitcoincharts,;
cJSON *quandl,*btcdhist,*array,*item,*bitcoinave,*blockchaininfo,*coindesk=0;
//btcdtrades = url_json("https://poloniex.com/public?command=returnTradeHistory¤cyPair=BTC_BTCD");
//btcdtrades2 = url_json("https://bittrex.com/api/v1.1/public/getmarkethistory?market=BTC-BTCD&count=50");
bitcoinave = url_json("https://api.bitcoinaverage.com/ticker/USD/");
//bitcoincharts = url_json("http://api.bitcoincharts.com/v1/weighted_prices.json");
blockchaininfo = url_json("https://blockchain.info/ticker");
coindesk = url_json("http://api.coindesk.com/v1/bpi/historical/close.json");
sprintf(url,"https://poloniex.com/public?command=returnChartData¤cyPair=BTC_BTCD&start=%ld&end=9999999999&period=86400",(long)(time(NULL)-2*3600*24));
quandl = url_json("https://www.quandl.com/api/v1/datasets/BAVERAGE/USD.json?rows=1");
if ( quandl != 0 && (str= jstr(quandl,"updated_at")) != 0 && (datenum= conv_date(&seconds,str)) > 0 && (array= jarray(&n,quandl,"data")) != 0 )
{
//printf("datenum.%d data.%d %d\n",datenum,n,cJSON_GetArraySize(array));
for (i=0; i<1; i++)
{
// ["Date","24h Average","Ask","Bid","Last","Total Volume"]
// ["2015-07-25",289.27,288.84,288.68,288.87,44978.61]
item = jitem(array,i);
if ( (dstr= jstr(jitem(item,0),0)) != 0 && (datenum= conv_date(&seconds,dstr)) > 0 )
{
btcusd = price = jdouble(jitem(item,1),0), ask = jdouble(jitem(item,2),0), bid = jdouble(jitem(item,3),0);
close = jdouble(jitem(item,4),0), vol = jdouble(jitem(item,5),0);
//fprintf(stderr,"%d.[%d %f %f %f %f %f].%d ",i,datenum,price,ask,bid,close,vol,n);
}
}
}
{
double avebid,aveask,bidvol,askvol; struct exchange_quote sortbuf[512];
struct supernet_info *myinfo = SuperNET_MYINFO(0); cJSON *argjson = cJSON_Parse("{}");
aveask = instantdex_aveprice(myinfo,sortbuf,(int32_t)(sizeof(sortbuf)/sizeof(*sortbuf)),&askvol,"BTCD","BTC",1,argjson);
avebid = instantdex_aveprice(myinfo,sortbuf,(int32_t)(sizeof(sortbuf)/sizeof(*sortbuf)),&bidvol,"BTCD","BTC",-1,argjson);
if ( avebid > SMALLVAL && aveask > SMALLVAL )
{
price = (avebid*bidvol + aveask*askvol) / (bidvol + askvol);
*btcdbtcp = price;
printf("set BTCD price %f\n",price);
PEGS->btcdbtc = price;
}
else
{
btcdhist = url_json(url);
//{"date":1406160000,"high":0.01,"low":0.00125,"open":0.01,"close":0.001375,"volume":1.50179994,"quoteVolume":903.58818412,"weightedAverage":0.00166204},
if ( btcdhist != 0 && (array= jarray(&n,btcdhist,0)) != 0 )
{
//printf("GOT.(%s)\n",cJSON_Print(array));
for (i=0; i<1; i++)
{
item = jitem(array,i);
timestamp = juint(item,"date"), high = jdouble(item,"high"), low = jdouble(item,"low"), open = jdouble(item,"open");
close = jdouble(item,"close"), vol = jdouble(item,"volume"), quotevol = jdouble(item,"quoteVolume"), price = jdouble(item,"weightedAverage");
//printf("[%u %f %f %f %f %f %f %f]",timestamp,high,low,open,close,vol,quotevol,price);
//printf("[%u %d %f]",timestamp,OS_conv_unixtime(&seconds,timestamp),price);
btcddaily = price;
if ( btcddaily != 0 )
PEGS->btcdbtc = *btcdbtcp = btcddaily;
}
//printf("poloniex.%d\n",n);
}
if ( btcdhist != 0 )
free_json(btcdhist);
}
}
if ( bitcoinave != 0 )
{
if ( (price= jdouble(bitcoinave,"24h_avg")) > SMALLVAL )
{
//printf("bitcoinave %f %f\n",btcusd,price);
dxblend(&btcusd,price,0.5);
}
free_json(bitcoinave);
}
if ( quandl != 0 )
free_json(quandl);
if ( coindesk != 0 )
free_json(coindesk);
if ( blockchaininfo != 0 )
{
if ( (item= jobj(blockchaininfo,"USD")) != 0 && item != 0 && (price= jdouble(item,"15m")) > SMALLVAL )
{
//printf("blockchaininfo %f %f\n",btcusd,price);
dxblend(&btcusd,price,0.5);
}
free_json(blockchaininfo);
}
if ( btcusd != 0 )
PEGS->btcusd = *btcusdp = btcusd;
}
