private async Task <IWriterResult <int> > ProcessWithdraw(CreateWithdraw model)
{
using (var context = DataContextFactory.CreateContext())
{
var currency = await context.Currency.FirstOrDefaultAsync(x => x.Id == model.CurrencyId);
if (currency == null || !currency.IsEnabled || currency.Status != CurrencyStatus.OK)
{
return(WriterResult <int> .ErrorResult("Currency not found or is currently disabled."));
}
var user = await context.Users.FirstOrDefaultAsync(x => x.Id == model.UserId);
if (user == null || !user.IsWithdrawEnabled)
{
return(WriterResult <int> .ErrorResult("Your withdrawals are currently disabled."));
}
var auditResult = await AuditService.AuditUserCurrency(context, model.UserId, model.CurrencyId);
if (!auditResult.Success || model.Amount > auditResult.Avaliable)
{
return(WriterResult <int> .ErrorResult("Insufficient funds."));
}
if (model.Amount < currency.MinWithdraw || model.Amount > currency.MaxWithdraw)
{
return(WriterResult <int> .ErrorResult("Withdrawal amount must be between {0} and {1} {2}", currency.MinWithdraw, currency.MaxWithdraw, currency.Symbol));
}
var isValidAddress = await WalletService.ValidateAddress(model.Address, currency.WalletHost, currency.WalletPort, currency.WalletUser, currency.WalletPass);
if (!isValidAddress)
{
return(WriterResult <int> .ErrorResult($"Invalid {currency.Symbol} address."));
}
var newWithdraw = new Entity.Withdraw
{
IsApi = model.IsApi,
TimeStamp = DateTime.UtcNow,
TwoFactorToken = model.ConfirmationToken,
Address = model.Address,
CurrencyId = model.CurrencyId,
Amount = Math.Max(0, model.Amount),
Fee = currency.WithdrawFee,
WithdrawType = WithdrawType.Normal,
WithdrawStatus = model.IsApi
? WithdrawStatus.Pending
: WithdrawStatus.Unconfirmed,
UserId = model.UserId
};
context.Withdraw.Add(newWithdraw);
await context.SaveChangesAsync();
await AuditService.AuditUserCurrency(context, model.UserId, model.CurrencyId);
return(WriterResult <int> .SuccessResult(newWithdraw.Id));
}
}
public async Task <IWriterResult <int> > QueueWithdraw(CreateWithdraw withdraw)
{
return(await WithdrawProcessor.QueueItem(withdraw).ConfigureAwait(false));
}
