public async Task <IActionResult> Index(GeneralWithdrawModel model)
{
GeneralWithdrawModel m = new();
if (ModelState.IsValid)
{
var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
if (model.Currency == "ZEC")
{
m = await _zecService.SendToAddress(model, userId);
}
else if (model.Currency == "ETH")
{
m = await _etheriumService.SendToAddress(model, userId);
}
else
{
m = await _withdrawService.Send(model, userId);
}
return(View("GeneralWithdrawPage", m));
}
return(View("GeneralWithdrawPage", m));
}
public async Task <GeneralWithdrawModel> SendToAddress(GeneralWithdrawModel model, string userId)
{
try
{
var wallet = await _walletsRepository.GetUserWalletAsync(userId, model.Currency);
decimal?_amount = model.Amount.ConvertToDecimal();
if (wallet != null && _amount.Value > 0 && _amount.Value <= wallet.Value)
{
var result = await _balanceProvider.Withdraw(_amount.Value, wallet);
wallet.Value = result.ResultBalanceSender;
var tr = await _outcomeTransactionRepository.CreateOutcomeTransaction(
new OutcomeTransactionTableModel()
{
FromWalletId = wallet.Id,
ToAddress = model.Address,
Value = _amount.Value,
PlatformCommission = result.Commission,
CurrencyAcronim = "ZEC",
State = (int)OutcomeTransactionStateEnum.Finished
});
// check if need to convert Amount
var txId = _client.MakeRequest <string>(ZecRestMethods.sendtoaddress, model.Address, model.Amount);
await _eventsRepository.CreateEventAsync(new EventTableModel()
{
UserId = userId,
Type = (int)EventTypeEnum.Withdraw,
Comment = model.Comment,
Value = _amount.Value,
StartBalance = result.StartBalanceSender,
ResultBalance = result.ResultBalanceSender,
WhenDate = DateTime.Now,
CurrencyAcronim = model.Currency
});
model.Status = "Success";
await _walletsRepository.UpdateWalletBalanceAsync(wallet);
}
else
{
model.Status = "Not enough coins";
}
}
catch (Exception e)
{
model.Status = "Error";
return(model);
}
return(model);
}
public async Task <GeneralWithdrawModel> SendToAddress(GeneralWithdrawModel model, string userId)
{
// оставляем запас 0.001 на комисию блокчейна, можно вынесли в константы
decimal fixedCommicion = 0.001m;
try
{
var wallet = await _walletsRepository.GetUserWalletAsync(userId, model.Currency);
decimal?_amount = model.Amount.ConvertToDecimal();
if (wallet != null && _amount.Value > 0 && _amount.Value + fixedCommicion <= wallet.Value)
{
var resultBalance = await _balanceProvider.Withdraw(_amount.Value, wallet);
var tr = await _outcomeTransactionRepository.CreateOutcomeTransaction(
new OutcomeTransactionTableModel()
{
FromWalletId = wallet.Id,
ToAddress = model.Address,
Value = _amount.Value,
PlatformCommission = resultBalance.Commission,
FixedCommission = fixedCommicion,
CurrencyAcronim = "ETH",
State = (int)OutcomeTransactionStateEnum.Created,
});
var resultTr = await _ethRequestClient.ExecuteTransactionAsync(tr.Id);
if (resultTr.IsSuccess)
{
wallet.Value = resultBalance.ResultBalanceSender - resultTr.CommissionBlockchain.Value;
await _walletsRepository.UpdateWalletBalanceAsync(wallet);
tr.State = resultTr.OutcomeTransactionState;
tr.BlockchainCommission = resultTr.CommissionBlockchain;
await _eventsRepository.CreateEventAsync(new EventTableModel()
{
UserId = userId,
Type = (int)EventTypeEnum.Withdraw,
Comment = model.Comment,
Value = _amount.Value + resultTr.CommissionBlockchain.Value,
StartBalance = resultBalance.StartBalanceSender,
ResultBalance = resultBalance.ResultBalanceSender - resultTr.CommissionBlockchain.Value,
WhenDate = DateTime.Now,
CurrencyAcronim = model.Currency
});
model.Status = "Success";
}
else
{
tr.State = resultTr.OutcomeTransactionState;
tr.BlockchainCommission = resultTr.CommissionBlockchain;
tr.ErrorText = resultTr.ErrorText;
await _eventsRepository.CreateEventAsync(new EventTableModel()
{
UserId = userId,
Type = (int)EventTypeEnum.OutcomeTransactionError,
Comment = resultTr.ErrorText + " (commission not deducted)",
Value = _amount.Value,
StartBalance = resultBalance.StartBalanceSender,
ResultBalance = resultBalance.ResultBalanceSender,
WhenDate = DateTime.Now,
CurrencyAcronim = model.Currency
});
model.Status = "Error, your transaction will be processed manually";
}
await _outcomeTransactionRepository.UpdateTransactionAfterExecutioAsync(tr);
}
else
{
model.Status = "Not enough coins";
}
}
catch (Exception e)
{
model.Status = "Error";
return(model);
}
return(model);
}
public virtual async Task <GeneralWithdrawModel> Send(GeneralWithdrawModel model, string userId)
{
try
{
var wallet = await _walletsRepository.GetUserWalletAsync(userId, model.Currency);
decimal?_amount = model.Amount.ConvertToDecimal();
if (wallet != null && _amount.Value > 0 && _amount.Value <= wallet.Value)
{
var coinService = _coinManager
.CoinServices
.FirstOrDefault(x => x.CoinShortName == model.Currency);
if (coinService == null)
{
model.Status = "Error";
return(model);
}
var result = await _balanceProvider.Withdraw(_amount.Value, wallet);
wallet.Value = result.ResultBalanceSender;
if (result.Commission.HasValue)
{
coinService.SendToAddress(model.Address, _amount.Value - result.Commission.Value, "", "", true);
}
else
{
coinService.SendToAddress(model.Address, _amount.Value, "", "", true);
}
var tr = await _outcomeTransactionRepository.CreateOutcomeTransaction(
new OutcomeTransactionTableModel()
{
FromWalletId = wallet.Id,
ToAddress = model.Address,
Value = _amount.Value,
CurrencyAcronim = model.Currency,
State = (int)OutcomeTransactionStateEnum.Finished
});
await _eventsRepository.CreateEventAsync(new EventTableModel()
{
UserId = userId,
Type = (int)EventTypeEnum.Withdraw,
Comment = model.Comment,
Value = _amount.Value,
StartBalance = result.StartBalanceSender,
ResultBalance = result.ResultBalanceSender,
WhenDate = DateTime.Now,
CurrencyAcronim = model.Currency
});
model.Status = "Success";
await _walletsRepository.UpdateWalletBalanceAsync(wallet);
}
else
{
model.Status = "Not enough coins";
}
}
catch
{
model.Status = "Error";
return(model);
}
return(model);
}
