Стратегия HPCS Inter4 (3518)

using System;

using StockSharp.Algo.Indicators;
using StockSharp.Algo.Strategies;
using StockSharp.Messages;

namespace StockSharp.Samples.Strategies;

/// <summary>
/// Port of the "_HPCS_IntFourth_MT4_EA_V01_WE" MetaTrader expert advisor.
/// Uses SMA crossover to enter positions with time-based exit.
/// </summary>
public class HpcsInter4Strategy : Strategy
{
	private readonly StrategyParam<DataType> _candleType;
	private readonly StrategyParam<int> _fastPeriod;
	private readonly StrategyParam<int> _slowPeriod;

	private decimal _prevFast;
	private decimal _prevSlow;
	private bool _isFirstValue = true;

	public DataType CandleType
	{
		get => _candleType.Value;
		set => _candleType.Value = value;
	}

	public int FastPeriod
	{
		get => _fastPeriod.Value;
		set => _fastPeriod.Value = value;
	}

	public int SlowPeriod
	{
		get => _slowPeriod.Value;
		set => _slowPeriod.Value = value;
	}

	public HpcsInter4Strategy()
	{
		_candleType = Param(nameof(CandleType), TimeSpan.FromMinutes(60).TimeFrame())
			.SetDisplay("Candle Type", "Time frame for calculation", "General");

		_fastPeriod = Param(nameof(FastPeriod), 20)
			.SetGreaterThanZero()
			.SetDisplay("Fast SMA", "Fast SMA period", "Indicators");

		_slowPeriod = Param(nameof(SlowPeriod), 50)
			.SetGreaterThanZero()
			.SetDisplay("Slow SMA", "Slow SMA period", "Indicators");
	}

	/// <inheritdoc />
	protected override void OnReseted()
	{
		base.OnReseted();
		_prevFast = 0;
		_prevSlow = 0;
		_isFirstValue = true;
	}

	/// <inheritdoc />
	protected override void OnStarted2(DateTime time)
	{
		base.OnStarted2(time);
		_prevFast = 0;
		_prevSlow = 0;
		_isFirstValue = true;

		var fastSma = new ExponentialMovingAverage { Length = FastPeriod };
		var slowSma = new ExponentialMovingAverage { Length = SlowPeriod };

		var subscription = SubscribeCandles(CandleType);
		subscription
			.Bind(fastSma, slowSma, ProcessCandle)
			.Start();

		var area = CreateChartArea();
		if (area != null)
		{
			DrawCandles(area, subscription);
			DrawIndicator(area, fastSma);
			DrawIndicator(area, slowSma);
			DrawOwnTrades(area);
		}
	}

	private void ProcessCandle(ICandleMessage candle, decimal fastValue, decimal slowValue)
	{
		if (candle.State != CandleStates.Finished)
			return;

		if (!IsFormedAndOnlineAndAllowTrading())
			return;

		if (_isFirstValue)
		{
			_prevFast = fastValue;
			_prevSlow = slowValue;
			_isFirstValue = false;
			return;
		}

		// Fast crosses above slow - buy
		if (_prevFast <= _prevSlow && fastValue > slowValue && Position <= 0)
		{
			BuyMarket();
		}
		// Fast crosses below slow - sell
		else if (_prevFast >= _prevSlow && fastValue < slowValue && Position >= 0)
		{
			SellMarket();
		}

		_prevFast = fastValue;
		_prevSlow = slowValue;
	}
}

import clr

clr.AddReference("StockSharp.Messages")
clr.AddReference("StockSharp.Algo")
clr.AddReference("StockSharp.Algo.Indicators")
clr.AddReference("StockSharp.Algo.Strategies")

from System import TimeSpan
from StockSharp.Messages import DataType, CandleStates
from StockSharp.Algo.Indicators import ExponentialMovingAverage
from StockSharp.Algo.Strategies import Strategy

class hpcs_inter4_strategy(Strategy):
    def __init__(self):
        super(hpcs_inter4_strategy, self).__init__()

        self._candle_type = self.Param("CandleType", DataType.TimeFrame(TimeSpan.FromMinutes(60)))
        self._fast_period = self.Param("FastPeriod", 20)
        self._slow_period = self.Param("SlowPeriod", 50)

        self._prev_fast = 0.0
        self._prev_slow = 0.0
        self._has_prev = False

    @property
    def CandleType(self):
        return self._candle_type.Value

    @CandleType.setter
    def CandleType(self, value):
        self._candle_type.Value = value

    @property
    def FastPeriod(self):
        return self._fast_period.Value

    @FastPeriod.setter
    def FastPeriod(self, value):
        self._fast_period.Value = value

    @property
    def SlowPeriod(self):
        return self._slow_period.Value

    @SlowPeriod.setter
    def SlowPeriod(self, value):
        self._slow_period.Value = value

    def OnReseted(self):
        super(hpcs_inter4_strategy, self).OnReseted()
        self._prev_fast = 0.0
        self._prev_slow = 0.0
        self._has_prev = False

    def OnStarted2(self, time):
        super(hpcs_inter4_strategy, self).OnStarted2(time)
        self._prev_fast = 0.0
        self._prev_slow = 0.0
        self._has_prev = False

        fast_ema = ExponentialMovingAverage()
        fast_ema.Length = self.FastPeriod
        slow_ema = ExponentialMovingAverage()
        slow_ema.Length = self.SlowPeriod

        subscription = self.SubscribeCandles(self.CandleType)
        subscription.Bind(fast_ema, slow_ema, self._process_candle).Start()

    def _process_candle(self, candle, fast_value, slow_value):
        if candle.State != CandleStates.Finished:
            return

        fast_val = float(fast_value)
        slow_val = float(slow_value)

        if self._has_prev:
            # Fast crosses above slow - buy
            if self._prev_fast <= self._prev_slow and fast_val > slow_val and self.Position <= 0:
                self.BuyMarket()
            # Fast crosses below slow - sell
            elif self._prev_fast >= self._prev_slow and fast_val < slow_val and self.Position >= 0:
                self.SellMarket()

        self._prev_fast = fast_val
        self._prev_slow = slow_val
        self._has_prev = True

    def CreateClone(self):
        return hpcs_inter4_strategy()