public DataTable getMinCandle()
{
DataTable table = JsonConvert.DeserializeObject <DataTable>(quotation.getMincandle("KRW-BTC"));
table.Columns.Add("Up", typeof(double));
table.Columns.Add("Down", typeof(double));
table.Columns.Add("AU", typeof(double));
table.Columns.Add("AD", typeof(double));
table.Columns.Add("RSI", typeof(double));
double upSum = 0;
double downSum = 0;
for (int i = table.Rows.Count - 1; i >= 0; i--)
{
if (i == table.Rows.Count - 1)
{
continue;
}
double diff = Convert.ToDouble(table.Rows[i]["trade_price"]) - Convert.ToDouble(table.Rows[i + 1]["trade_price"]);
DataRow row = table.Rows[i];
row["Up"] = diff > 0 ? diff : 0;
row["Down"] = diff < 0 ? (diff * -1) : 0;
if (i > table.Rows.Count - 15)
{
upSum += Convert.ToDouble(table.Rows[i]["Up"]);
downSum += Convert.ToDouble(table.Rows[i]["Down"]);
}
else if (i == table.Rows.Count - 15)
{
upSum += Convert.ToDouble(table.Rows[i]["Up"]);
downSum += Convert.ToDouble(table.Rows[i]["Down"]);
table.Rows[i]["AU"] = upSum;
table.Rows[i]["AD"] = downSum;
}
else
{
double curAu = Convert.ToDouble(table.Rows[i]["Up"]);
double preAu = Convert.ToDouble(table.Rows[i + 1]["AU"]);
double curAd = Convert.ToDouble(table.Rows[i]["Down"]);
double preAd = Convert.ToDouble(table.Rows[i + 1]["AD"]);
table.Rows[i]["AU"] = ((preAu * 13) + curAu) / 14;
table.Rows[i]["AD"] = ((preAd * 13) + curAd) / 14;
double au = Convert.ToDouble(table.Rows[i]["AU"]);
double ad = Convert.ToDouble(table.Rows[i]["AD"]);
table.Rows[i]["RSI"] = au / (au + ad) * 100;
}
}
return(table);
}
