public static LimitOrderFee ConvertLimitOrderFee(SpotInstrumentFees instrumentFees)
{
var fee = new LimitOrderFee {
Type = ConvertFeeType(instrumentFees.FeeType)
};
if (fee.Type == FeeType.NoFee)
{
return(fee);
}
fee.MakerSizeType = ConvertFeeSizeType(instrumentFees.MakerFeeSizeType);
fee.MakerSize = instrumentFees.MakerFeeSize.ToString(CultureInfo.InvariantCulture);
fee.TakerSizeType = ConvertFeeSizeType(instrumentFees.TakerFeeSizeType);
fee.TakerSize = instrumentFees.TakerFeeSize.ToString(CultureInfo.InvariantCulture);
fee.TargetAccountId = instrumentFees.AccountId;
fee.TargetWalletId = instrumentFees.WalletId;
if (!string.IsNullOrEmpty(instrumentFees.FeeAssetId))
{
fee.AssetId.Add(instrumentFees.FeeAssetId);
}
return(fee);
}
private async Task <LimitOrderFee> 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 makerSize = level.MakerFee / 100;
var takerSize = level.TakerFee / 100;
var feeType = makerSize == 0 && takerSize == 0 ? (int)FeeType.NoFee : (int)FeeType.ClientFee;
var result = new LimitOrderFee
{
MakerSize = makerSize.ToString(CultureInfo.InvariantCulture),
MakerSizeType = (int)FeeSizeType.Percentage,
TakerSize = takerSize.ToString(CultureInfo.InvariantCulture),
TakerSizeType = (int)FeeSizeType.Percentage,
TargetAccountId = (ulong)feeAccountId,
TargetWalletId = (ulong)feeWalletId,
Type = feeType
};
return(result);
}