public void Setup()
{
tradeRepositoryMock = new Mock <ITradeRepository>();
var now = new DateTime(2017, 2, 17, 22, 22, 34);
var dateTimeProvider = new Mock <IDateTimeProvider>();
dateTimeProvider.Setup(x => x.Now).Returns(now);
tradeCalculator = new TradeCalculator(tradeRepositoryMock.Object, dateTimeProvider.Object);
teaStock = new CommonStock {
StockSymbol = "TEA"
};
ginStock = new CommonStock {
StockSymbol = "GIN"
};
aleStock = new CommonStock {
StockSymbol = "ALE"
};
}
public static void AddLimitPrice(this Trade trade, string id, DateTime date, decimal?price)
{
if (trade.LimitPrices.Count > 0 && trade.LimitPrices.Last().Price == price)
{
return;
}
if (trade.LimitPrices.Count > 0 && trade.LimitPrices.Last().Date == date)
{
trade.LimitPrices.RemoveAt(trade.OrderPrices.Count - 1);
}
if (trade.UpdateMode == TradeUpdateMode.Unchanging)
{
throw new ApplicationException("Trade set to untouched mode cannot change it's limit price after being set");
}
trade.LimitPrices.Add(new DatePrice(id, date, price));
if (trade.LimitPrices.Count > 1)
{
trade.LimitPrices = trade.LimitPrices.OrderBy(x => x.Date).ToList();
}
TradeCalculator.UpdateLimit(trade);
if (!trade.CalculateOptions.HasFlag(CalculateOptions.ExcludePipsCalculations))
{
TradeCalculator.UpdateLimitPips(trade);
if (trade.LimitPrices.Count == 1)
{
TradeCalculator.UpdateInitialLimitPips(trade);
}
}
}
public List <Trade> Run(StrategyBase strategy, Func <bool> getShouldStopFunc, DateTime?startTime = null, DateTime?endTime = null)
{
var logIntervalSeconds = 5;
var candleTimeframes = strategy.Timeframes;
var smallestNonM1Timeframe = candleTimeframes.First();
var candleTimeframesExcSmallest = candleTimeframes.Where(x => x != smallestNonM1Timeframe).ToList();
var m1Candles = _candleService.GetCandles(_broker, _market.Name, Timeframe.M1, false);
var allCandles = GetCandles(candleTimeframes);
var timeframeCandleIndexes = new TimeframeLookup <int>();
var currentCandles = new TimeframeLookup <List <Candle> >();
var trades = new TradeWithIndexingCollection();
var nextLogTime = DateTime.UtcNow.AddSeconds(logIntervalSeconds);
var calls = 0;
strategy.SetSimulationParameters(trades, currentCandles, _market);
foreach (var tf in candleTimeframes)
{
currentCandles[tf] = new List <Candle>(10000);
}
var smallestNonM1TimeframeCount = allCandles[smallestNonM1Timeframe].Count;
var m1CandleIndex = 0;
Candle smallestNonM1Candle;
var startTimeTicks = startTime != null ? (long?)startTime.Value.Ticks : null;
var endTimeTicks = endTime != null ? (long?)endTime.Value.Ticks : null;
strategy.SetInitialised();
// Ignore M1 candles
for (var smallestNonM1TfIndex = 0;
smallestNonM1TfIndex < smallestNonM1TimeframeCount;
smallestNonM1TfIndex++)
{
if (getShouldStopFunc != null && getShouldStopFunc())
{
return(null);
}
// Progress smallest non-M1 candle
smallestNonM1Candle = allCandles[smallestNonM1Timeframe][smallestNonM1TfIndex];
currentCandles[smallestNonM1Timeframe].Add(smallestNonM1Candle);
var newCandleTimeframes = new List <Timeframe> {
smallestNonM1Timeframe
};
if (DateTime.UtcNow > nextLogTime)
{
LogProgress(trades, smallestNonM1Candle.CloseTimeTicks);
nextLogTime = DateTime.UtcNow.AddSeconds(logIntervalSeconds);
}
// Progress other timeframes
foreach (var tf in candleTimeframesExcSmallest)
{
for (var i = timeframeCandleIndexes[tf]; i < allCandles[tf].Count; i++)
{
var c = allCandles[tf][i];
if (c.CloseTimeTicks <= smallestNonM1Candle.CloseTimeTicks)
{
currentCandles[tf].Add(c);
newCandleTimeframes.Add(tf);
timeframeCandleIndexes[tf] = i + 1;
}
else
{
break;
}
}
}
// Process M1 candles if any trades are open or and orders
if ((trades.AnyOpen || trades.AnyOrders) && m1CandleIndex < m1Candles.Count)
{
// Include M1 candles
var nextIndex = m1Candles.BinarySearchGetItem(
i => m1Candles[i].CloseTimeTicks,
m1CandleIndex,
smallestNonM1TfIndex > 0 ? allCandles[smallestNonM1Timeframe][smallestNonM1TfIndex - 1].CloseTimeTicks : smallestNonM1Candle.OpenTimeTicks,
BinarySearchMethod.NextHigherValue);
if (nextIndex != -1 && m1Candles[nextIndex].CloseTimeTicks <= m1Candles[m1CandleIndex].CloseTimeTicks)
{
throw new ApplicationException("M1 candles are not running in order");
}
if (nextIndex != -1 && m1Candles[nextIndex].CloseTimeTicks <= smallestNonM1Candle.CloseTimeTicks)
{
m1CandleIndex = nextIndex;
for (var i = m1CandleIndex; i < m1Candles.Count; i++)
{
var m1 = m1Candles[i];
if (m1.CloseTimeTicks > smallestNonM1Candle.CloseTimeTicks)
{
break;
}
m1CandleIndex = i;
if (!trades.AnyOpen && !trades.AnyOrders)
{
break;
}
if (trades.AnyOrders)
{
FillOrders(trades, m1);
}
if (trades.AnyOpen)
{
TryCloseOpenTrades(trades, m1);
calls++;
}
}
}
}
// Process new completed candles in strategy
try
{
strategy.UpdateIndicators(newCandleTimeframes);
strategy.NewTrades.Clear();
if (startTimeTicks == null || (smallestNonM1Candle.CloseTimeTicks >= startTimeTicks && smallestNonM1Candle.CloseTimeTicks <= endTimeTicks))
{
strategy.ProcessCandles(newCandleTimeframes);
}
}
catch (Exception ex)
{
Log.Error("Error processing new candles", ex);
return(null);
}
RemoveInvalidTrades(strategy.NewTrades, smallestNonM1Candle.CloseBid, smallestNonM1Candle.CloseAsk);
// Add new trades
foreach (var t in strategy.NewTrades)
{
if (t.CloseDateTime != null)
{
trades.AddClosedTrade(t);
}
else if (t.EntryDateTime == null && t.OrderDateTime != null)
{
trades.AddOrderTrade(t);
}
else if (t.EntryDateTime != null)
{
trades.AddOpenTrade(t);
}
}
}
LogProgress(trades, allCandles[smallestNonM1Timeframe][allCandles[smallestNonM1Timeframe].Count - 1].CloseTimeTicks);
var ret = trades.AllTrades.Select(x => x.Trade).ToList();
foreach (var t in ret)
{
TradeCalculator.UpdateInitialStopPips(t);
TradeCalculator.UpdateInitialLimitPips(t);
TradeCalculator.UpdateRMultiple(t);
}
return(ret);
}
