public async Task <BitstampTicker> GetTickerAsync(BitstampTickerCode tickerCode)
{
var result = "";
try
{
//var cts = new CancellationTokenSource();
//cts.CancelAfter(2500);
using (var client = new HttpClient())
using (var response = await client.GetAsync(ApiBaseUrl + "ticker/" + tickerCode.ToString().ToLower()))
using (var content = response.Content)
{
result = await content.ReadAsStringAsync();
_ticker = JsonConvert.DeserializeObject <BitstampTicker>(result);
UpdateMinMaxLogs(_ticker.Last);
if (tickerCode == BitstampTickerCode.BtcUsd) //todo: make beter storage of tickers, now code expects only BtcUsd ticker
{
UpdateTickerHistory(_ticker);
}
return(_ticker);
}
}
catch (OperationCanceledException)
{
return(null);
}
catch (Exception e)
{
return(null);
//throw new Exception("BitstampExchange.GetTickerAsync() : " + e.Message + Environment.NewLine + result);
}
}
private List <IDataRow> UpdateBitstampTicker()
{
var li = BitstampTicker.GetList();
List <IDataRow> li2 = new List <IDataRow>();
foreach (var item in li)
{
li2.Add(item as IDataRow);
}
return(li2);
}
public static decimal CalculateBtcAmountToBuy(decimal maximumUsd, decimal minimumUsd, decimal offsetPercentage, BitstampTicker lastTicker)
{
var maximumUsdToBuy = maximumUsd - (maximumUsd - minimumUsd) * offsetPercentage;
return(Math.Round(maximumUsdToBuy / lastTicker.Last, 6));
}
private void UpdateTickerHistory(BitstampTicker ticker)
{
TickerHistory24H.Add(ticker);
TickerHistory24H.RemoveAll(t => t.Timestamp < DateTime.Now.AddDays(-1));
}
