private async Task <WithdrawCurrencyModel> CreateWithdrawModel(Cryptopia.Entity.ApplicationUser user, WithdrawCurrencyModel model)
{
var currencyData = await CurrencyReader.GetCurrency(model.Symbol);
var balanceData = await BalanceReader.GetCurrencyBalance(User.Identity.GetUserId(), currencyData.CurrencyId);
var addressBook = await AddressBookReader.GetAddressBook(User.Identity.GetUserId(), currencyData.CurrencyId);
var verificationData = await UserVerificationReader.GetVerificationStatus(User.Identity.GetUserId());
var estimatedCoinNzd = await BalanceEstimationService.GetNZDPerCoin(currencyData.CurrencyId);
model = user.GetTwoFactorModel(TwoFactorComponent.Withdraw, model);
model.Name = currencyData.Name;
model.CurrencyId = currencyData.CurrencyId;
model.CurrencyType = currencyData.Type;
model.Symbol = balanceData.Symbol;
model.Balance = balanceData.Available;
model.Fee = currencyData.WithdrawFee;
model.WithdrawFeeType = currencyData.WithdrawFeeType;
model.MinWithdraw = currencyData.WithdrawMin;
model.MaxWithdraw = currencyData.WithdrawMax;
model.AddressBookOnly = !user.IsUnsafeWithdrawEnabled;
model.AddressBook = addressBook;
model.AddressType = currencyData.AddressType;
model.HasWithdrawLimit = verificationData.Limit > 0;
model.WithdrawLimit = verificationData.Limit;
model.WithdrawTotal = verificationData.Current;
model.EstimatedCoinNZD = estimatedCoinNzd;
model.Instructions = currencyData.WithdrawInstructions;
model.Message = currencyData.WithdrawMessage;
model.MessageType = currencyData.WithdrawMessageType.ToString().ToLower();
model.Decimals = currencyData.CurrencyDecimals;
return(model);
}
public async Task <ActionResult> Create(WithdrawCurrencyModel model)
{
var currencyData = await CurrencyReader.GetCurrency(model.Symbol);
var user = await UserManager.FindValidByIdAsync(User.Identity.GetUserId());
if (currencyData == null || user == null)
{
ViewBag.Message = $"Currency {model.Symbol} not found.";
return(View("Error"));
}
if (currencyData.CurrencyId == Constant.NZDT_ID && !UserVerificationReader.IsVerified(user.VerificationLevel))
{
return(View("NotVerified"));
}
// Verify Address
var address = model.AddressData?.Trim();
if (string.IsNullOrEmpty(address))
{
address = model.SelectedAddress;
}
else if (currencyData.AddressType != AddressType.Standard)
{
if (currencyData.AddressType == AddressType.PaymentId && !CurrencyExtensions.IsValidPaymentId(model.AddressData2?.Trim()))
{
ModelState.AddModelError("AddressData2", $"Please enter a valid Cryptonote PaymentId.");
return(View(await CreateWithdrawModel(user, model)));
}
address = $"{model.AddressData?.Trim()}:{model.AddressData2?.Trim()}";
if (currencyData.Type == CurrencyType.Fiat)
{
address = address.TrimEnd(':');
}
}
if (string.IsNullOrEmpty(address))
{
ModelState.AddModelError(user.IsUnsafeWithdrawEnabled ? "AddressData" : "AddressBookError", $"Please enter a valid {model.Symbol} address");
return(View(await CreateWithdrawModel(user, model)));
}
// Verify Amount
var withdrawAmount = decimal.Round(model.Amount, currencyData.CurrencyDecimals);
if (withdrawAmount < currencyData.WithdrawMin || withdrawAmount >= currencyData.WithdrawMax)
{
ModelState.AddModelError("Amount", $"Withdrawal amount must be between {currencyData.WithdrawMin} {currencyData.Symbol} and {currencyData.WithdrawMax} {currencyData.Symbol}");
return(View(await CreateWithdrawModel(user, model)));
}
// Verify Two Factor
if (!await UserManager.VerifyUserTwoFactorCodeAsync(TwoFactorComponent.Withdraw, user.Id, model.Code1, model.Code2))
{
ModelState.AddModelError("TwoFactorError", "The TFA code entered was incorrect or has expired, please try again.");
return(View(await CreateWithdrawModel(user, model)));
}
// Create withdraw
var twoFactortoken = await GenerateUserTwoFactorTokenAsync(TwoFactorTokenType.WithdrawConfirm, user.Id);
var result = await WithdrawWriter.CreateWithdraw(User.Identity.GetUserId(), new CreateWithdrawModel
{
Address = address,
Amount = withdrawAmount,
CurrencyId = model.CurrencyId,
TwoFactorToken = twoFactortoken,
Type = WithdrawType.Normal,
});
if (!result.Success)
{
ModelState.AddModelError("Error", result.Message);
return(View(await CreateWithdrawModel(user, model)));
}
// Send Confirmation email
if (!user.DisableWithdrawEmailConfirmation)
{
await SendConfirmationEmail(user, model.Symbol, withdrawAmount - model.Fee, address, result.Result, twoFactortoken, currencyData.AddressType);
}
return(RedirectToAction("Summary", new { withdrawId = result.Result, returnUrl = GetLocalReturnUrl(model.ReturnUrl) }));
}
