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
});
}