public async Task <ExchangeOrderResult> Sell(Bot bot, decimal price)
{
_exchangeApi = GetExchange(bot);
if (bot.CurrentPosition == null || bot.CurrentPosition.Status != Enumerations.PositionStatusEnum.Bought)
{
throw new Exception("No open current position on bot");
}
decimal quantity = (decimal)Math.Round(bot.CurrentPosition.Quantity, bot.Coin.OrderRoundingExponent, MidpointRounding.AwayFromZero);
switch (bot.OrderType)
{
case Enumerations.OrderTypeEnum.Market:
return(Sell(bot.BaseCoin, bot.Coin, quantity, null, Enumerations.OrderTypeEnum.Market));
case Enumerations.OrderTypeEnum.Limit:
// get the best bid
ExchangeOrderBook orderBook = null;
if (_exchangeApi.Simulated)
{
orderBook = SimulateExchangeOrderBook(price);
}
else
{
orderBook = _exchangeApi.GetOrderBook(bot.BaseCoin, bot.Coin, 1);
}
if (orderBook != null)
{
ExchangeOrderPrice bestBid = orderBook.Bids.First();
return(Sell(bot.BaseCoin, bot.Coin, quantity, bestBid.Price, Enumerations.OrderTypeEnum.Market));
}
break;
case Enumerations.OrderTypeEnum.Stop: // to do
throw new NotImplementedException();
}
return(null);
}
public async Task <ExchangeOrderResult> Buy(Bot bot, decimal price)
{
_exchangeApi = GetExchange(bot);
switch (bot.OrderType)
{
case Enumerations.OrderTypeEnum.Market:
return(Buy(bot.BaseCoin, bot.Coin, bot.Amount, null, Enumerations.OrderTypeEnum.Market));
case Enumerations.OrderTypeEnum.Limit:
// get the best ask
ExchangeOrderBook orderBook = null;
if (_exchangeApi.Simulated)
{
orderBook = SimulateExchangeOrderBook(price);
}
else
{
orderBook = _exchangeApi.GetOrderBook(bot.BaseCoin, bot.Coin, 1);
}
if (orderBook != null)
{
ExchangeOrderPrice bestAsk = orderBook.Asks.First();
decimal quantity = Math.Round(bot.Amount / bestAsk.Price, bot.Coin.OrderRoundingExponent);
return(Buy(bot.BaseCoin, bot.Coin, quantity, bestAsk.Price, Enumerations.OrderTypeEnum.Market));
}
throw new Exception("Couldn't place a buy order");
case Enumerations.OrderTypeEnum.Stop: // to do
throw new NotImplementedException();
}
return(null);
}