private void AddToBarList(OhlcvData newBar)
{
var length = BarList.Length;
if (BarList[length - 1] != null) //Array Dolu
{
// Shift
for (var i = 1; i < length; i++)
{
BarList[i - 1] = BarList[i];
}
BarList[length - 1] = newBar;
}
else
{
for (var i = 0; i < length; i++)
{
if (BarList[i] != null)
continue;
BarList[i] = newBar;
break;
}
}
}
private void AddToBarList(OhlcvData newBar)
{
var length = BarList.Length;
if (BarList[length - 1] != null) //Array Dolu
{
// Shift
for (var i = 1; i < length; i++)
{
BarList[i - 1] = BarList[i];
}
BarList[length - 1] = newBar;
}
else
{
for (var i = 0; i < length; i++)
{
if (BarList[i] != null)
{
continue;
}
BarList[i] = newBar;
break;
}
}
}
private bool PatternExists(OhlcvData[] barList)
{
var bar1 = barList[1];
var bar2 = barList[2];
var bar3 = barList[3];
var candleStickHelper = new CandleStickHelper(_mqlApi, _symbol);
if (bar3.Close - bar3.Open > candleStickHelper.AverageBody(1)
&& Math.Abs(bar2.Close - bar2.Open) < candleStickHelper.AverageBody(1) * 0.5
&& bar2.Close > bar3.Close
&& bar2.Open > bar3.Open
&& bar1.Close < candleStickHelper.MidOpenClose(3)
)
{
return true;
}
//if (bar3.Close - bar3.Open > candleStickHelper.AverageBody(1)
// && candleStickHelper.AverageBody(2) < candleStickHelper.AverageBody(1) * 0.1
// && bar2.Close > bar3.Close
// && bar2.Open > bar3.Open
// && bar1.Open < bar2.Close
// && bar1.Close < bar2.Close
// )
//{
// return true;
//}
return false;
}
public OrderType GetOrderType(OhlcvData[] BarList)
{
var patternExists = PatternExists(BarList);
if (patternExists)
{
return OrderType.Buy;
}
return OrderType.NoOrder;
}
private void PopulateBarList(string symbol)
{
for (int i = 0; i < BarList.Length; i++)
{
var open = iOpen(symbol, 0, i);
var high = iHigh(symbol, 0, i);
var low = iLow(symbol, 0, i);
var close = iClose(symbol, 0, i);
BarList[i] = new OhlcvData
{
Open = open,
High = high,
Low = low,
Close = close
};
}
}
private bool PatternExists(OhlcvData[] barList)
{
var bar1 = barList[1];
var bar2 = barList[2];
var bar3 = barList[3];
var candleStickHelper = new CandleStickHelper(_mqlApi, _symbol);
if (bar3.Close - bar3.Open > candleStickHelper.AverageBody(1)
&& candleStickHelper.AverageBody(2) < candleStickHelper.AverageBody(1) * 0.1
&& bar2.Close > bar3.Close
&& bar2.Open > bar3.Open
&& bar1.Open < bar2.Close
&& bar1.Close < bar2.Close
)
{
return true;
}
return false;
}
private bool PatternExists(OhlcvData[] barList)
{
var lastBar = barList[1];
var previousBar = barList[2];
if (lastBar == null || previousBar == null)
{
return false;
}
if (lastBar.Open < lastBar.Close
&& previousBar.Open > previousBar.Close
&& lastBar.Open < previousBar.Close
&& lastBar.Close > previousBar.Open
&& lastBar.Low < previousBar.Low
&& lastBar.High > previousBar.High
)
{
return true;
}
return false;
}
private void PopulateBarList(string symbol)
{
for (int i = 0; i < BarList.Length; i++)
{
var open = iOpen(symbol, 0, i);
var high = iHigh(symbol, 0, i);
var low = iLow(symbol, 0, i);
var close = iClose(symbol, 0, i);
BarList[i] = new OhlcvData
{
Open = open,
High = high,
Low = low,
Close = close
};
}
}
private void GetData2(Info.CryptoCompare.HistoType type)
{
string exchange = "Cryptopia";
canvas.Children.Clear();
MarketPair mp = GetMarketPair();
List <Info.CryptoCompare.HistoMinuteData> dat;
string histoLimit = txtlimit.Text;
int period = Convert.ToInt32(txtPeriod.Text);
string cacheKey = exchange + "-" + type.ToString() + "-" + histoLimit + ":" + mp.MarketCurrency + "-" + mp.BaseCurrency;
if (cache.ContainsKey(cacheKey))
{
dat = cache[cacheKey];
}
else
{
Info.CryptoCompare.Api api = new Info.CryptoCompare.Api();
dat = api.GetHistoData(mp.MarketCurrency, mp.BaseCurrency, exchange, type, histoLimit);
cache.Add(cacheKey, dat);
}
List <OhlcvData> data = new List <OhlcvData>();
OhlcvData tempOhlcv = new OhlcvData();
int periodCounter = 0;
double s = 100000000;
foreach (Info.CryptoCompare.HistoMinuteData d in dat)
{
DateTime time = Info.CryptoCompare.Dates.FromUnixTime(d.Time);
if (period == 1)
{
data.Add(new OhlcvData(d.Open * s, d.High * s, d.Low * s, d.Close * s, d.VolumeFrom, d.VolumeTo, time));
}
else
{
if (periodCounter == 0)
{
tempOhlcv = new OhlcvData(d.Open * s, d.High * s, d.Low * s, d.Close * s, d.VolumeFrom, d.VolumeTo, time);
periodCounter++;
}
else
{
if (periodCounter == period - 1)
{
OhlcvData dd = new OhlcvData(d.Open * s, d.High * s, d.Low * s, d.Close * s, d.VolumeFrom, d.VolumeTo, time);
if (tempOhlcv.High < dd.High)
{
tempOhlcv.High = dd.High;
}
if (tempOhlcv.Low > dd.Low)
{
tempOhlcv.Low = dd.Low;
}
tempOhlcv.Close = dd.Close;
tempOhlcv.VolumeTo = dd.VolumeTo;
tempOhlcv.VolumeFrom = dd.VolumeFrom;
data.Add(tempOhlcv);
periodCounter = 0;
}
else
{
periodCounter++;
}
}
}
}
Rectangle rect = new Rectangle();
rect.Stroke = new SolidColorBrush(Colors.Gray);
rect.StrokeThickness = 2;
rect.Fill = new SolidColorBrush(Colors.GhostWhite);
rect.Width = canvas.Width;
rect.Height = canvas.Height;
Canvas.SetLeft(rect, 0);
Canvas.SetTop(rect, 0);
canvas.Children.Add(rect);
Bounds bounds = GetBounds(data);
int height = Convert.ToInt32(Math.Ceiling(RoundUp(bounds.High) - RoundDown(bounds.Low)));
int volheight = Convert.ToInt32(Math.Ceiling(RoundUp(bounds.VolHigh) - RoundDown(bounds.VolLow)));
if (volheight == 0)
{
volheight = 1;
}
if (volheight > 10)
{
volheight = (volheight % 10) * 1000;
}
if (volheight == 0)
{
volheight = 1000;
}
if (volheight == 10)
{
volheight = 10;
}
if (height == 0)
{
height = 1;
}
double horizontalMargin = 30;
double scale = (canvas.Height - horizontalMargin) / height;
double volscale = (canvas.Height - horizontalMargin) / volheight;
double linespace = Math.Floor((double)height / 10);
if (linespace == 0)
{
linespace = 1;
}
double left = 0;
int space = 5;
double candlewidth = Math.Floor(canvas.Width / data.Count) - 5;
int wickwidth = 1;
List <Label> labels = new List <Label>();
double chartHeight = canvas.Height - horizontalMargin;
for (double i = bounds.High; i >= bounds.Low; i -= linespace)
{
double top = (bounds.High - i) / height * chartHeight;
top += horizontalMargin;
Rectangle l = new Rectangle();
l.Stroke = new SolidColorBrush(Color.FromArgb(200, 128, 128, 128));
l.StrokeThickness = 1;
l.Fill = new SolidColorBrush(Color.FromArgb(200, 128, 128, 128));
l.Width = canvas.Width;
l.Height = 1;
Canvas.SetLeft(l, 0);
Canvas.SetTop(l, top);
canvas.Children.Add(l);
Label label = new Label();
label.Content = (i / s).ToString("F8");
label.Foreground = new SolidColorBrush(Colors.Gray);
Canvas.SetLeft(label, canvas.Width - 75);
Canvas.SetTop(label, top - 10 - 10);
//Canvas.SetTop(label, (bounds.High - i + horizontalMargin - linespace + (linespace * 0.3)) / height * chartHeight);
labels.Add(label);
}
foreach (OhlcvData d in data)
{
left = left + space + candlewidth;
Rectangle r = new Rectangle();
Rectangle wick = new Rectangle();
r.StrokeThickness = 1;
wick.StrokeThickness = 1;
double top;
//volume stuff...
Rectangle vol = new Rectangle();
vol.StrokeThickness = 1;
vol.Stroke = new SolidColorBrush(Color.FromArgb(128, 128, 128, 128));
vol.Fill = new SolidColorBrush(Color.FromArgb(128, 128, 128, 128));
vol.Width = candlewidth;
double scaledVolume = GetScaledVolume(d.VolumeTo);
vol.Height = volscale * scaledVolume;
Canvas.SetLeft(vol, left);
Canvas.SetTop(vol, canvas.Height - (volscale * scaledVolume));
canvas.Children.Add(vol);
//candles and wicks
if (d.Close != d.Open)
{
if (d.Close > d.Open)
{
r.Stroke = new SolidColorBrush(Colors.Green);
r.Fill = new SolidColorBrush(Colors.Green);
wick.Stroke = new SolidColorBrush(Colors.Green);
wick.Fill = new SolidColorBrush(Colors.Green);
top = (bounds.High - d.Close) / height * chartHeight;
top += horizontalMargin;
Canvas.SetTop(r, top);
}
else
{
r.Stroke = new SolidColorBrush(Colors.Red);
r.Fill = new SolidColorBrush(Colors.Red);
wick.Stroke = new SolidColorBrush(Colors.Red);
wick.Fill = new SolidColorBrush(Colors.Red);
top = (bounds.High - d.Open) / height * chartHeight;
top += horizontalMargin;
Canvas.SetTop(r, top);
}
r.Width = candlewidth;
r.Height = scale * Math.Abs(d.Open - d.Close);
}
else
{
r.Stroke = new SolidColorBrush(Colors.CornflowerBlue);
r.Fill = new SolidColorBrush(Colors.CornflowerBlue);
wick.Stroke = new SolidColorBrush(Colors.CornflowerBlue);
wick.Fill = new SolidColorBrush(Colors.CornflowerBlue);
if (height != 0 && bounds.High - d.Close != 0)
{
top = (bounds.High - d.Close) / height * chartHeight;
top += horizontalMargin;
}
else
{
top = canvas.Height / 2;
}
Canvas.SetTop(r, top);
if (height != 0 && bounds.High - d.High != 0)
{
top = (bounds.High - d.High) / height * chartHeight;
top += horizontalMargin;
}
else
{
top = canvas.Height / 2;
}
Canvas.SetTop(wick, top);
r.Width = candlewidth;
r.Height = 1;
}
wick.Width = wickwidth;
if (d.High != d.Low)
{
wick.Height = scale * Math.Abs(d.High - d.Low);
}
else
{
wick.Height = 1;
}
if (height != 0)
{
top = (bounds.High - d.High) / height * chartHeight;
top += horizontalMargin;
}
else
{
top = canvas.Height / 2;
}
Canvas.SetTop(wick, top);
Canvas.SetLeft(r, left);
Canvas.SetLeft(wick, left + (candlewidth / 2));
canvas.Children.Add(r);
canvas.Children.Add(wick);
}
foreach (Label l in labels)
{
canvas.Children.Add(l);
}
}
