package strategy

// GoldX 金叉策略
type GoldX struct {
}

func (s *GoldX) New() IStrategy {
	return &GoldX{}
}

func (s *GoldX) Meta() StrategyMeta {
	return StrategyMeta{
		Name: "GoldX",
		Desc: "金叉策略",
	}
}

func (s *GoldX) Update(ctx IStrategyContext) {
	sma14 := ctx.IndicatorW("sma", 14)
	sma28 := ctx.IndicatorW("sma", 28)
	// 包装方法
	s14 := sma14.Series(0, 2)
	s28 := sma28.Series(0, 2)
	crossover := s14[0] > s28[0] && s14[1] < s28[1]  // 上穿
	crossunder := s14[0] < s28[0] && s14[1] > s28[1] // 下穿
	if crossover {
		ctx.Buy()
	}
	if crossunder {
		ctx.Sell()
	}
}