private void GetHistoryCandle()
{
try
{
var klineString = kline.GetHistory();
var klines = JConverter.JsonConver <List <object[]> >(klineString);
foreach (var k in klines)
{
var ohlcPoint = new OhlcPoint()
{
Open = Convert.ToDouble(k[1], new CultureInfo("en-US")),
High = Convert.ToDouble(k[2], new CultureInfo("en-US")),
Low = Convert.ToDouble(k[3], new CultureInfo("en-US")),
Close = Convert.ToDouble(k[4], new CultureInfo("en-US"))
};
OhclValues.Add(ohlcPoint);
LabelsX.Add(Convert.ToInt64(k[0]).UnixToDateTime().ToString(formatX));
}
}
catch (Exception ex)
{
// запись логов в БД
}
}
public OhlcPoint NouveauPoint()
{
var r = new Random();
bool estNegatif = false;
estNegatif = r.NextDouble() > 0.5 ? true : false;
double aOpen = estNegatif ? -1 * r.Next(0, 50) : 1 * r.Next(0, 50);
double bMax = r.Next(0, 50);
double cMin = estNegatif ? -1 * r.Next(0, 50) : 1 * r.Next(0, 50);;
double dClose = r.Next(0, 50);
double high = bMax > cMin ? bMax : cMin;
double less = high == bMax ? cMin : bMax;
double open = r.Next(Convert.ToInt32(less), Convert.ToInt32(high));
double close = r.Next(Convert.ToInt32(less), Convert.ToInt32(high));
OhlcPoint point = new OhlcPoint(open, high, less, close);
listeBourse.Add(point);
listeDate.Add(DateTime.Now.ToString("hh:mm:ss"));
return(point);
}
public static void UpdateValues(this OhlcPoint point, BinanceKline newKline)
{
point.Open = (double)newKline.Open;
point.High = (double)newKline.High;
point.Low = (double)newKline.Low;
point.Close = (double)newKline.Close;
}
public static void UpdateValues(this OhlcPoint point, OhlcPoint newPoint)
{
point.Open = newPoint.Open;
point.High = newPoint.High;
point.Low = newPoint.Low;
point.Close = newPoint.Close;
}
private void FillChart()
{
var chartValues = new ChartValues <OhlcPoint>();
var timestamps = new List <string>();
foreach (var candle in this.candles)
{
var ohlc = new OhlcPoint((double)candle.Open, (double)candle.Max, (double)candle.Min, (double)candle.Close);
chartValues.Add(ohlc);
timestamps.Add(candle.Timestamp.ToString("dd MMM"));
}
SeriesCollection = new SeriesCollection
{
new OhlcSeries()
{
Title = "BTCUSD",
Values = chartValues
}
};
chart.Series = SeriesCollection;
Labels = timestamps.ToArray();
chartAxisX.Labels = null;
chartAxisX.Labels = Labels;
//chartAxisY.Separator = new Separator()
//{
// IsEnabled = true,
// Step = 10
//};
}
public void AjoutPoint(object sender, EventArgs e)
{
if (PointsSerie[0].Values.Count > nombrePointMax)
{
PointsSerie[0].Values.RemoveAt(0);
}
OhlcPoint point = m_Bourse.NouveauPoint();
PointsSerie[0].Values.Add(point);
//math.essai();
this.OnNotifyCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, PointsSerie));
}
private void Kline_MessageEvent(object sender, KlineEventArgs e)
{
try
{
Candle candle = JConverter.JsonConver <Candle>(e.Message);
var ohlcPoint = new OhlcPoint()
{
Open = candle.k.o,
High = candle.k.h,
Low = candle.k.l,
Close = candle.k.c
};
var firstCandle = OhclValues.FirstOrDefault();
if (isClose)
{
OhclValues.Add(ohlcPoint);
OhclValues.Remove(firstCandle);
LabelsX.Add(candle.k.t.UnixToDateTime().ToString(formatX));
isClose = false;
}
else
{
if (OhclValues.Count > 0)
{
var lastOhlc = OhclValues.Last();
lastOhlc.Open = ohlcPoint.Open;
lastOhlc.High = ohlcPoint.High;
lastOhlc.Low = ohlcPoint.Low;
lastOhlc.Close = ohlcPoint.Close;
}
else
{
OhclValues.Add(ohlcPoint);
LabelsX.Add(candle.k.t.UnixToDateTime().ToString(formatX));
}
}
if (candle.k.x) // проверка должна быть после добавления, иначе добавим закрытую свечу
{
isClose = true;
}
}
catch (Exception ex)
{
//TODO: запись логов в БД
}
//CreateChartValuesLines();
}
private void LoadJson(string fileFullPath)
{
try
{
ohlcChartValues.Clear();
volumeChartValues.Clear();
string jsonString = File.ReadAllText(fileFullPath);
var candles = JsonConvert.DeserializeObject <List <MarketCandle> >(jsonString);
foreach (var candle in candles.Take(250))
{
var ohlc = new OhlcPoint((double)candle.OpenPrice, (double)candle.HighPrice, (double)candle.LowPrice, (double)candle.ClosePrice);
ohlcChartValues.Add(ohlc);
volumeChartValues.Add(new VolumePair(candle.QuoteCurrencyVolume, (ohlc.Close >= ohlc.Open)));
}
Y2Max = volumeChartValues.Select(v => v.Volume).Max() * 5; // stretch the y-axis by 5x.
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
