/// <summary>
/// 计算多单收割的数量
/// </summary>
/// <param name="buyQuantity"></param>
/// <param name="buyTradePrice"></param>
/// <param name="nowPrice"></param>
/// <param name="symbol"></param>
/// <returns></returns>
public static decimal CalcSellQuantityForMoreShouge(decimal buyQuantity, decimal buyTradePrice, decimal nowPrice, CommonSymbol symbol)
{
if (nowPrice <= buyTradePrice * (decimal)1.03)
{
throw new Exception("收割多价格不合理");
}
// 作用是,价格越高,则收割的量越多
var position = (decimal)0.66;
// 作用是,价格越高,则收割的量越多
decimal sellQuantity = buyQuantity * buyTradePrice / nowPrice;
sellQuantity = sellQuantity + (buyQuantity - sellQuantity) * position;
sellQuantity = decimal.Round(sellQuantity, symbol.AmountPrecision);
var newSellQuantity = sellQuantity;
if (newSellQuantity == buyQuantity)
{
if (symbol.AmountPrecision == 4)
{
newSellQuantity -= (decimal)0.0001;
}
else if (symbol.AmountPrecision == 3)
{
newSellQuantity -= (decimal)0.001;
}
else if (symbol.AmountPrecision == 2)
{
newSellQuantity -= (decimal)0.01;
}
else if (symbol.AmountPrecision == 1)
{
newSellQuantity -= (decimal)0.1;
}
else if (symbol.AmountPrecision == 0)
{
newSellQuantity -= (decimal)1;
}
}
// 是否满足最小出售数量
if (!CoinUtils.IsBiggerThenLeast(symbol.BaseCurrency, symbol.QuoteCurrency, sellQuantity))
{
newSellQuantity = CoinUtils.GetLeast(symbol.BaseCurrency, symbol.QuoteCurrency);
}
if (buyQuantity > newSellQuantity && buyQuantity * buyTradePrice < newSellQuantity * nowPrice)
{
return(newSellQuantity);
}
throw new Exception($"计算sellquantity不合理, buyQuantity:{buyQuantity},newSellQuantity:{newSellQuantity}， 没有赚头");
}