/// <summary>
/// Sell fifo
/// </summary>
/// <param name="trade">Trade</param>
/// <param name="sell">Sell</param>
/// <returns>Return true if was sold</returns>
private bool Sell(Trade trade, FIFOInternal sell)
{
if (_list.Count <= 0)
{
OnFifoSell?.Invoke(trade, 0, sell.Price, sell.Amount);
return(false);
}
decimal amount;
var buy = _list.Peek();
if (buy.Amount >= sell.Amount)
{
amount = sell.Amount;
buy.Amount -= sell.Amount;
sell.Amount = 0;
}
else
{
amount = buy.Amount;
sell.Amount -= buy.Amount;
buy.Amount = 0;
}
// Burn fifo
if (buy.Amount <= 0)
{
_list.Dequeue();
}
OnFifoSell?.Invoke(trade, buy.Price, sell.Price, amount);
return(true);
}
/// <summary>
/// Add buy
/// </summary>
/// <param name="trade">Trade</param>
public void AddBuy(Trade trade)
{
var fifo = new FIFOInternal()
{
Date = trade.Date,
Amount = trade.To.Value,
Price = trade.FiatCostWithoutFees.Value / trade.To.Value
};
_list.Enqueue(fifo);
}
/// <summary>
/// Add sell
/// </summary>
/// <param name="trade">Trade</param>
public void AddSell(Trade trade)
{
var fifo = new FIFOInternal()
{
Date = trade.Date,
Amount = trade.From.Value,
Price = trade.FiatCostWithoutFees.Value / trade.From.Value
};
while (Sell(trade, fifo) && fifo.Amount > 0)
{
}
}