private async Task <Fee> GetFee(string brokerId, string assetPair)
{
var tradingFee = await GetTradingFeeAsync(brokerId, assetPair);
var settings = await GetFeesSettingsAsync(brokerId);
if (tradingFee == null)
{
_logger.LogWarning("TradingFee from Exchange.Fees is null. The fee is set to 0. " +
"BrokerId={@BrokerId}; AssetPair={@AssetPair}", brokerId, assetPair);
return(NoFee());
}
if (settings == null)
{
_logger.LogWarning("Settings is null. The fee is set to 0." +
"BrokerId={@BrokerId}", brokerId);
return(NoFee());
}
if (settings.FeeWalletId == 0)
{
_logger.LogWarning("FeeWalletId is 0. The fee is set to 0. BrokerId={@BrokerId}", brokerId);
return(NoFee());
}
if (tradingFee.Levels == null || tradingFee.Levels.Count == 0)
{
_logger.LogWarning("TradingFee from Exchange.Fees has no levels. The fee is set to 0. " +
"BrokerId={@BrokerId}; AssetPair={@AssetPair}", brokerId, assetPair);
return(NoFee());
}
var feeAccountId = settings.FeeAccountId;
var feeWalletId = settings.FeeWalletId;
// TODO: take first level as we don't have 30 days volume yet
var level = tradingFee.Levels.OrderBy(x => x.Volume).First();
var size = level.TakerFee / 100;
var feeType = size == 0 ? (int)FeeType.NoFee : (int)FeeType.ClientFee;
var result = new Fee
{
Size = size.ToString(CultureInfo.InvariantCulture),
SizeType = (int)FeeSizeType.Percentage,
TargetAccountId = (ulong)feeAccountId,
TargetWalletId = (ulong?)feeWalletId,
Type = feeType
};
return(result);
}
private async Task <Fee> GetFeeAsync(string brokerId, string asset, RequestType requestType)
{
var cashOperationsFee = await GetCashOperationsFeeAsync(brokerId, asset);
var settings = await GetFeesSettingsAsync(brokerId);
if (cashOperationsFee == null)
{
_logger.LogWarning("CashOperationsFee from Exchange.Fees is null. The fee is set to 0. " +
"BrokerId={@BrokerId}; Asset={@Asset}", brokerId, asset);
return(NoFee());
}
if (settings == null)
{
_logger.LogWarning("Settings is null. The fee is set to 0." +
"BrokerId={@BrokerId}", brokerId);
return(NoFee());
}
if (settings.FeeWalletId == 0)
{
_logger.LogWarning("FeeWalletId is 0. The fee is set to 0. BrokerId={@BrokerId}", brokerId);
return(NoFee());
}
decimal value = 0;
var feeType = CashOperationsFeeTypeModel.Absolute;
switch (requestType)
{
case RequestType.CashIn:
value = cashOperationsFee.CashInValue;
feeType = cashOperationsFee.CashInFeeType;
break;
case RequestType.CashOut:
value = cashOperationsFee.CashOutValue;
feeType = cashOperationsFee.CashOutFeeType;
break;
case RequestType.Transfer:
value = cashOperationsFee.CashTransferValue;
feeType = cashOperationsFee.CashTransferFeeType;
break;
}
var result = new Fee
{
Size = Map(value, feeType).ToString(CultureInfo.InvariantCulture),
SizeType = (int)Map(feeType),
TargetAccountId = (ulong)settings.FeeAccountId,
TargetWalletId = (ulong)settings.FeeWalletId,
Type = (int)Map(value)
};
return(result);
}
