private void btnAnalyze_Click(object sender, EventArgs e)
{
//vars
HitBTC_API api = new HitBTC_API();
methods meth = new methods();
//kry coins
List <HitBTC_TradingPairs_Template> coins = api.getTradingPairs();
//kry base currencies
var basecurrencies = coins.Select(a => a.quoteCurrency).Distinct();
//first get BTC price
meth.Pull_Coin_History_NO_DB("BTC", "ZAR", true);
//kry alle btc
List <HitBTC_TradingPairs_Template> btc_curr = coins.Where(b => b.quoteCurrency == "BTC").ToList();
//kry die history vir elkeen
foreach (HitBTC_TradingPairs_Template coin in btc_curr)
{
//pull
meth.Pull_Coin_History_NO_DB(coin.baseCurrency, "USD", true);
}
}
public List <CryptoCompare_Coin_History_Template.Datum> Pull_Coin_History_Structure(string coin_symbol, string currency)
{
//variables
methods meth = new methods();
List <CryptoCompare_Coin_History_Template.Datum> data_obj = new List <CryptoCompare_Coin_History_Template.Datum>();
bool run = true;
DateTime dt_earliest = DateTime.Now;
CryptoCompare_API crypt_api = new CryptoCompare_API();
while (run)
{
//get history
CryptoCompare_Coin_History_Template.RootObject hist = new CryptoCompare_Coin_History_Template.RootObject();
hist = crypt_api.GetCoinHistory(coin_symbol, currency, 2000, dt_earliest.ToString("yyyy-MM-dd"));
//convert die datums
DateTime date_early = meth.UnixTimeStampToDateTime(double.Parse(hist.TimeFrom.ToString()));
DateTime date_last = meth.UnixTimeStampToDateTime(double.Parse(hist.TimeTo.ToString()));
//kyk if daar nog data is
if (date_early == dt_earliest)
{
break;
}
//set date
for (int i = 0; i < hist.Data.Count; i++)
{
//set date
hist.Data[i].s_date = meth.UnixTimeStampToDateTime(double.Parse(hist.Data[i].time.ToString()));
//add na die main list
data_obj.Add(hist.Data[i]);
}
//get the earliest date
hist.Data.OrderBy(a => a.s_date);
//moet weer run
dt_earliest = hist.Data[0].s_date;
//order die main list
data_obj.OrderBy(a => a.s_date);
//check if need to run again
if (hist.Data.Count < 2000)
{
break;
}
}
return(data_obj);
}
public CryptoCompare_Coin_History_Template.RootObject GetCoinHistory(string coin_lookup, string currency, int limit, string from_date)
{
//variables
methods meth = new methods();
string hour_url = "https://min-api.cryptocompare.com/data/histohour?fsym=" + coin_lookup + "&tsym=" + currency + "&limit=" + limit.ToString();
string day_url = "https://min-api.cryptocompare.com/data/histoday?fsym=" + coin_lookup + "&tsym=" + currency + "&limit=" + limit.ToString();
string call_url = "";
//check for dates
if (string.IsNullOrWhiteSpace(from_date))
{
//no offset
call_url = day_url;
}
else
{
//kry date
DateTime dt_from = DateTime.Parse(from_date);
//convert date
double dt_unix = meth.DateTime_To_Unix(dt_from);
call_url = day_url + "&toTs=" + dt_unix;
}
//get the json
http http_class = new http();
string json = http_class.jsonGet(day_url);
//parse
CryptoCompare_Coin_History_Template.RootObject coin_data;
try
{
coin_data = JsonConvert.DeserializeObject <CryptoCompare_Coin_History_Template.RootObject>(json);
}
catch (Exception)
{
coin_data = new CryptoCompare_Coin_History_Template.RootObject();
return(coin_data);
}
//return parse data
return(coin_data);
}
public void Pull_Coin_History_NO_DB(string coin_symbol, string currency, bool csv_save)
{
//variables
methods meth = new methods();
List <CryptoCompare_Coin_History_Template.Datum> data_obj = new List <CryptoCompare_Coin_History_Template.Datum>();
bool run = true;
DateTime dt_earliest = DateTime.Now;
CryptoCompare_API crypt_api = new CryptoCompare_API();
//get btc
//get btc price
List <CryptoCompare_Coin_History_Template.Datum> btc_price = Pull_Coin_History_Structure("BTC", "ZAR");
while (run)
{
//get history
CryptoCompare_Coin_History_Template.RootObject hist = new CryptoCompare_Coin_History_Template.RootObject();
hist = crypt_api.GetCoinHistory(coin_symbol, currency, 2000, dt_earliest.ToString("yyyy-MM-dd"));
//null check
if (hist.Data == null)
{
return;
}
//check null
if (hist.Data.Count == 0)
{
return;
}
//convert die datums
DateTime date_early = meth.UnixTimeStampToDateTime(double.Parse(hist.TimeFrom.ToString()));
DateTime date_last = meth.UnixTimeStampToDateTime(double.Parse(hist.TimeTo.ToString()));
//kyk if daar nog data is
if (date_early == dt_earliest)
{
break;
}
//set date
for (int i = 0; i < hist.Data.Count; i++)
{
//set date
hist.Data[i].s_date = meth.UnixTimeStampToDateTime(double.Parse(hist.Data[i].time.ToString()));
//add na die main list
data_obj.Add(hist.Data[i]);
}
//get the earliest date
hist.Data.OrderBy(a => a.s_date);
//moet weer run
dt_earliest = hist.Data[0].s_date;
//order die main list
data_obj.OrderBy(a => a.s_date);
//check if need to run again
if (hist.Data.Count < 2000)
{
break;
}
}
//process history
string csv = "";
string csv_header = "";
if (coin_symbol == "BTC")
{
csv_header = "close,high,date,low,open,volume_from,volume_to,symbol";
}
else
{
csv_header = "close,high,date,low,open,volume_from,volume_to,symbol,btc_price";
}
//string csv_header = "close,high,date,low,open,volume_from,volume_to,symbol";
//string csv_header = "close,high,date,low,open,volume_from,volume_to,symbol,btc_price";
//add the header
csv += csv_header + Environment.NewLine;
//loop
foreach (CryptoCompare_Coin_History_Template.Datum item in data_obj)
{
//get btc price
var btc_p = btc_price.Where(a => a.s_date == item.s_date).FirstOrDefault();
//unix convert
DateTime dates = meth.UnixTimeStampToDateTime(item.time);
//build csv line
string csv_line = item.close + "," + item.high + "," + dates.ToString("yyyy-MM-dd") + "," + item.low + "," + item.open
+ "," + item.volumefrom + "," + item.volumeto + "," + coin_symbol + "," + btc_p.high;
csv += csv_line + Environment.NewLine;
}
//save file
if (csv_save)
{
System.IO.File.WriteAllText(@"C:\crypto_data\" + coin_symbol + ".csv", csv);
}
}