void ValidateExchangeParams(BrokerExchangeParams model)
{
if (!string.IsNullOrWhiteSpace(model.FiatCurrency))
{
if (model.BuyFiatAmount <= 0 && model.SellFiatAmount <= 0)
{
throw new ApiException(ErrorCode.FiatAmountEmpty);
}
if (model.SellFiatAmount > 0 && model.BuyFiatAmount > 0)
{
throw new ApiException(ErrorCode.OnlyOneAmountAllowed);
}
if (model.SellAmount > 0 || model.BuyAmount > 0)
{
throw new ApiException(ErrorCode.OnlyOneAmountAllowed);
}
}
else
{
if (model.SellAmount > 0 && model.BuyAmount > 0)
{
throw new ApiException(ErrorCode.OnlyOneAmountAllowed);
}
if (model.SellAmount <= 0 && model.BuyAmount <= 0)
{
throw new ApiException(ErrorCode.InvalidAmount);
}
}
if (string.IsNullOrWhiteSpace(model.SellCurrency))
{
throw new ApiException(ErrorCode.SellCurrencyEmpty);
}
if (!_rateCache.IsSupported(model.SellCurrency))
{
throw new ApiException(ErrorCode.SellCurrencyNotSupported, model.SellCurrency);
}
if (string.IsNullOrWhiteSpace(model.BuyCurrency))
{
throw new ApiException(ErrorCode.BuyCurrencyEmpty);
}
if (!((model.BuyCurrency == "GRFT" && model.SellCurrency == "BTC") ||
(model.BuyCurrency == "GRFT" && model.SellCurrency == "ETH") ||
(model.BuyCurrency == "USDT" && model.SellCurrency == "GRFT")))
{
throw new ApiException(ErrorCode.CurrencyPairNotSupported, $"{model.SellCurrency}->{model.BuyCurrency}");
}
if (string.IsNullOrWhiteSpace(model.WalletAddress))
{
throw new ApiException(ErrorCode.WalletEmpty);
}
}
void ValidateSaleParams(BrokerSaleParams model)
{
if (model.SaleAmount <= 0)
{
throw new ApiException(ErrorCode.InvalidAmount);
}
if (string.IsNullOrWhiteSpace(model.SaleCurrency))
{
throw new ApiException(ErrorCode.SaleCurrencyEmpty);
}
if (model.SaleCurrency != "USD")
{
throw new ApiException(ErrorCode.SaleCurrencyNotSupported, model.SaleCurrency);
}
if (string.IsNullOrWhiteSpace(model.PayCurrency))
{
throw new ApiException(ErrorCode.PayCurrencyEmpty);
}
if (!_rateCache.IsSupported(model.PayCurrency))
{
throw new ApiException(ErrorCode.PayCurrencyNotSupported, model.PayCurrency);
}
if (model.ServiceProviderFee < 0 || model.ServiceProviderFee > _settings.MaxServiceProviderFee)
{
throw new ApiException(ErrorCode.InvalidServiceProviderFee);
}
if (model.ServiceProviderFee > 0 && string.IsNullOrWhiteSpace(model.ServiceProviderWallet))
{
throw new ApiException(ErrorCode.ServiceProviderWalletEmpty);
}
if (string.IsNullOrWhiteSpace(model.MerchantWallet))
{
throw new ApiException(ErrorCode.MerchantWalletEmpty);
}
}