public async Task <ApiSubmitUserWithdrawResponse> SubmitUserWithdraw(ApiSubmitUserWithdrawRequest request) { var currency = request.CurrencyId.HasValue ? await CurrencyReader.GetCurrency(request.CurrencyId.Value).ConfigureAwait(false) : await CurrencyReader.GetCurrency(request.Currency).ConfigureAwait(false); if (currency == null) { return new ApiSubmitUserWithdrawResponse { Success = false, Error = "Currency not found." } } ; if (currency.Status == CurrencyStatus.Maintenance || currency.Status == CurrencyStatus.Offline || currency.Status == CurrencyStatus.NoConnections) { return new ApiSubmitUserWithdrawResponse { Success = false, Error = $"Currency is currently not available for withdraw, Status: {currency.Status}" } } ; if (request.Amount < currency.WithdrawMin) { return new ApiSubmitUserWithdrawResponse { Success = false, Error = $"Withdraw amount is below the minimum, Minimum: {currency.WithdrawMin:F8} {currency.Symbol}" } } ; if (request.Amount > currency.WithdrawMax) { return new ApiSubmitUserWithdrawResponse { Success = false, Error = $"Withdraw amount is above the maximum, Maximum: {currency.WithdrawMax:F8} {currency.Symbol}" } } ; var balance = await UserBalanceReader.GetBalance(request.UserId.ToString(), currency.CurrencyId).ConfigureAwait(false); if (balance == null || request.Amount > balance.Available) { return new ApiSubmitUserWithdrawResponse { Success = false, Error = "Insufficient funds." } } ; var user = await UserReader.GetUserById(request.UserId.ToString()).ConfigureAwait(false); if (user == null || !user.IsApiWithdrawEnabled) { return new ApiSubmitUserWithdrawResponse { Success = false, Error = "Your API withdraw setting is currently disabled." } } ; var address = request.Address; if (currency.AddressType != AddressType.Standard) { address = $"{request.Address}:{request.PaymentId ?? string.Empty}"; } if (currency.Type == CurrencyType.Fiat) { address = address.TrimEnd(':'); } if (!user.IsApiUnsafeWithdrawEnabled) { using (var context = ExchangeDataContextFactory.CreateReadOnlyContext()) { var validAddress = await context.AddressBook .AsNoTracking() .FirstOrDefaultAsync(x => x.UserId == request.UserId && x.CurrencyId == currency.CurrencyId && x.Address == address && x.IsEnabled).ConfigureAwait(false); if (validAddress == null) { return new ApiSubmitUserWithdrawResponse { Success = false, Error = $"Address does not exist in your secure Withdraw Address Book" } } ; } } else { if (currency.CurrencyId == Constant.NZDT_ID && !UserVerificationReader.IsVerified(user.VerificationLevel)) { return(new ApiSubmitUserWithdrawResponse { Success = false, Error = $"Id verification required for NZDT services." }); } if (!await DepositService.ValidateAddress(currency.CurrencyId, address)) { return new ApiSubmitUserWithdrawResponse { Success = false, Error = $"Invalid {currency.Symbol} address." } } ; } var response = await TradeService.CreateWithdraw(request.UserId.ToString(), new CreateWithdrawModel { Address = address, Amount = Math.Max(0, request.Amount), CurrencyId = balance.CurrencyId, TwoFactorToken = string.Empty, Type = WithdrawType.Normal }, true).ConfigureAwait(false); if (response.IsError) { return new ApiSubmitUserWithdrawResponse { Success = false, Error = response.Error } } ; return(new ApiSubmitUserWithdrawResponse { Success = true, Data = response.WithdrawId }); }