// Where pair like "TRXETH" and interval like "1m", "5m", "1h", ...
public ZCandlestickMap GetCandlesticks(string pair, string interval)
{
var result = new ZCandlestickMap(CryptoExch.BINANCE, pair, interval);
var res = GetOHLC(pair, interval, 500);
foreach (var dp in res)
{
result.Add(dp.time, dp);
}
return(result);
}
// Where pair like "BCHEUR" and interval like "1m", "5m", "1h", ...
public ZCandlestickMap GetCandlesticks(string pair, string interval)
{
var result = new ZCandlestickMap(CryptoExch.KRAKEN, pair, interval);
int minutes = int.Parse(ChartIntervals[interval]);
var res = GetOHLC(pair, minutes);
var ohlcList = res.Pairs[pair];
foreach (var dp in ohlcList)
{
result.Add(dp.time, dp);
}
return(result);
}
private void btnChart_Click(object sender, EventArgs e)
{
status("Display Chart");
var selected = m_dataFrameFilesPanel.SelectedPathname;
if (selected != null)
{
var chart = new CryptoForms.CryptoChartForm();
var candlesticks = ZCandlestickMap.ReadFromFile(selected);
chart.DisplayChart(candlesticks);
chart.ShowInFront();
}
}
public void DisplayChart(ZCandlestickMap map) //, string symbol, string interval)
{
m_map = map;
m_title = string.Format("{0} {1}", map.Symbol, m_intervalText[map.Interval]);
chart1.BackColor = Color.Black;
chart1.ForeColor = Color.White;
chart1.ChartAreas[0].BackColor = Color.Black;
// Chart Title
this.Text = "Crypto Charts: " + m_title;
lblTitle.Text = m_title;
/*chart1.Titles.Clear();
* chart1.Titles.Add(m_title);
* chart1.Titles[0].Font = new Font("Arial", 14, FontStyle.Bold);
* chart1.Titles[0].ForeColor = Color.White;*/
// Chart Series
chart1.Series.Clear();
var series = new Series("candlestick");
series.ChartType = SeriesChartType.Candlestick; // Set series chart type
series["OpenCloseStyle"] = "Triangle"; // Set the style of the open-close marks
series["ShowOpenClose"] = "Both"; // Show both open and close marks
series["PointWidth"] = "1.0"; // Set point width
series["PriceUpColor"] = "Green"; // Set colors bars (up)
series["PriceDownColor"] = "Red"; // Set colors bars (down)
double min = double.MaxValue, max = double.MinValue;
// Add the datapoints to the series
foreach (var kv in map)
{
DataPoint item = new DataPoint((double)kv.Key.ToUnixTimestamp(), kv.Value.yValues);
max = Math.Max(max, kv.Value.yValues[0]);
min = Math.Min(min, kv.Value.yValues[1]);
item.AxisLabel = kv.Key.ToString("MM-dd HH:mm");
series.Points.Add(item);
}
chart1.ChartAreas[0].AxisY.Maximum = (max * 1.05);
chart1.ChartAreas[0].AxisY.Minimum = (min * 0.95);
chart1.Series.Add(series);
UpdateChartScale();
}
// Where start/end are start and end times for the data
// AND granularity is desired timeslice in seconds: {60, 300, 900, 3600, 21600, 86400}
public ZCandlestickMap GetCandlesticks(string productId, string intervalSeconds, DateTime?start = null, DateTime?end = null)
{
var result = new ZCandlestickMap(CryptoExch.GDAX, productId, intervalSeconds);
var productPair = GetProductPair(productId);
int seconds = int.Parse(ChartIntervals[intervalSeconds]);
var dtEnd = (end == null ? DateTime.Now : end.Value);
var dtStart = (start == null ? dtEnd.Subtract(TimeSpan.FromSeconds(seconds * 100)) : start.Value);
// returns list of list: [[ time, low, high, open, close, volume ], [ 1415398768, 0.32, 4.2, 0.35, 4.2, 12.3 ]]
var sticks = AsyncHelpers.RunSync <IEnumerable <object[]> >(() => m_api.ProductsService.GetHistoricRatesAsync(productPair, dtStart, dtEnd, seconds));
//var sticks = await m_api.ProductsService.GetHistoricRatesAsync(productPair, dtStart, dtEnd, int.Parse(ChartIntervals[intervalSeconds]));
//string url = BaseUrl + "/products/{0}/candles";
//var sticks = GET<List<List<float>>>(url, productId);
foreach (var li in sticks)
{
var cs = new GdaxCandlestick(li);
result.Add(cs.time, cs);
}
return(result);
}
