/// <summary>
/// Place a buy market order given a non base quantity.
/// </summary>
/// <param name="pair">TradingPair to consider.</param>
/// <param name="quantity">Quantity of non base currency.</param>
/// <returns>ResponseObject containing an OrderUpdate.</returns>
public OrderUpdate ExecuteMarketOrderBuy(TradingPair pair, decimal quantity)
{
_logger.LogDebug($"Executing buy market order with pair {pair}, quantity {quantity}");
Guard.Argument(pair).NotNull(nameof(pair));
Guard.Argument(quantity).NotZero(nameof(quantity)).NotNegative();
var currency = pair.Right;
var priceEstimate = _dataProvider.GetCurrentPriceTopAsk(pair);
var proposal = new TradeProposal(pair, new Balance(currency, quantity * priceEstimate, 0));
var result = _allocationManager.QueueTrade(proposal, () =>
{
var orderQuery = HelperMethods.RetryMethod(
() =>
{
var attempt = Implementation.ExecuteMarketOrder(pair, OrderSide.Buy, quantity, TradeId);
if (attempt.Success)
{
return(attempt);
}
_logger.LogInformation($"Retrying with slightly lower quantity");
quantity *= 0.999M;
return(new ResponseObject <OrderUpdate>(ResponseCode.Error, attempt.Message));
}, _logger);
if (orderQuery.Success)
{
_openOrders.Add(orderQuery.Data.OrderId, orderQuery.Data);
return(WaitForOrderStatus(orderQuery.Data.OrderId, OrderUpdate.OrderStatus.Filled));
}
throw new OrderFailedException(orderQuery.Message);
});
if (!result.Success)
{
throw new OrderRefusedException(result.Message);
}
if (Program.CommandLineArgs.Trading)
{
_logger.LogInformation($"Executed Market Buy: {JsonConvert.SerializeObject(result)}");
}
return(result.Data
.IsBuy()
.IsMarket()
.IsFilled());
}
