public async Task Borrow(IExchangeClient client, string pair, decimal price)
{
var balanceItems = (await _balanceRepository.Get(client.Platform, pair)).Where(x => x.IsBorrowed);
if (balanceItems.Any())
{
return;
}
var availableVolume = Math.Round(await client.GetAvailableMargin(pair.Substring(0, 3)), _config[pair].VolumeFormat);
//availableVolume = availableVolume / 100m * (decimal)_config[pair].Share;
if (availableVolume < _config[pair].MinVolume)
{
//Insufficient funds
return;
}
_fileService.GatherDetails(pair, FileSessionNames.Borrow_Volume, availableVolume);
var operationId = await _operationRepository.Add(client.Platform, "add order", pair, "borrow");
var orderIds = await client.Sell(availableVolume, pair, _config[pair].IsMarket?(decimal?)null : price, operationId, true);
if (orderIds == null || !orderIds.Any())
{
return;
}
await _operationRepository.Complete(operationId);
foreach (var orderId in orderIds)
{
await _orderRepository.Add(client.Platform, pair, orderId);
}
}
public async Task <bool> Sell(IExchangeClient client, string pair, decimal price)
{
var balanceItems = (await _balanceRepository.Get(client.Platform, pair)).Where(x => !x.IsBorrowed);
var isNotSold = false;
var volume = decimal.Zero;
var profit = decimal.Zero;
foreach (var balanceItem in balanceItems)
{
var boughtPrice = balanceItem.Volume * balanceItem.Price
+ _moneyService.FeeToPay(pair, balanceItem.Volume, balanceItem.Price, 0.26m)
+ _moneyService.FeeToPay(pair, balanceItem.Volume, price, 0.26m);
var sellPrice = balanceItem.Volume * price;
if (boughtPrice < sellPrice || balanceItem.NotSold >= _config[pair].MaxMissedSells)
{
volume += balanceItem.Volume;
profit += sellPrice - boughtPrice;
}
else
{
if (balanceItem.NotSoldtDate > _dateTime.Now.AddMinutes(-_config[pair].ThresholdMinutes))
{
//_fileService.Write(pair, $"Not worths to sell, and too short.");
}
else
{
_fileService.GatherDetails(pair, FileSessionNames.Not_Sold_Volume, balanceItem.Volume);
await _notSoldRepository.SetNotSold(client.Platform, pair, false);
}
isNotSold = true;
}
}
if (volume == decimal.Zero)
{
return(!isNotSold);
}
_fileService.GatherDetails(pair, FileSessionNames.Sell_Volume, volume);
_fileService.GatherDetails(pair, FileSessionNames.Profit, profit);
var operationId = await _operationRepository.Add(client.Platform, "add order", pair, "sell");
var orderIds = await client.Sell(volume, pair, _config[pair].IsMarket?(decimal?)null : price, operationId);
if (orderIds == null || !orderIds.Any())
{
return(false);
}
await _operationRepository.Complete(operationId);
foreach (var orderId in orderIds)
{
await _orderRepository.Add(client.Platform, pair, orderId);
}
return(true);
}
private void SetSell(Action <decimal, decimal> setVolumePrice)
{
_exchangeClient.When(x => x.Sell(Arg.Any <decimal>(), Arg.Any <string>(), Arg.Any <decimal?>(), Arg.Any <int?>()))
.Do(x =>
{
setVolumePrice?.Invoke(Convert.ToDecimal((object)x.Args()[0]), Convert.ToDecimal((object)x.Args()[2]));
});
_exchangeClient.Sell(Arg.Any <decimal>(), Arg.Any <string>(), Arg.Any <decimal?>(), Arg.Any <int?>())
.ReturnsForAnyArgs(new List <string> {
"order"
});
}