public bool Refund(string orderNo)
{
var orderDac = new OrderDAC();
var order = orderDac.GetByOrderNo(orderNo);
if (order == null)
{
throw new CommonException(10000, "Order does not exist!");
}
if (order.Status != OrderStatus.Completed)
{
throw new CommonException(10001, "Order state exception!");
}
if (DateTime.UtcNow.AddDays(-3000) > order.PaymentTime)
{
throw new CommonException(10000, "Orders cannot be refundable for more than three days!");
}
var merchantWalletDAC = new MerchantWalletDAC();
var userWalletDAC = new UserWalletDAC();
var merchantWallet = merchantWalletDAC.GetByAccountId(order.MerchantAccountId, order.CryptoId);
if (merchantWallet == null)
{
throw new CommonException(10001, "The currency that the merchant does not support!");
}
if (merchantWallet.Balance < order.ActualCryptoAmount)
{
throw new CommonException(10001, "Not sufficient funds!");
}
var userWallet = userWalletDAC.GetByAccountId(order.UserAccountId.Value, order.CryptoId);
if (userWallet == null)
{
throw new CommonException(10001, "A currency that is not supported by the user");
}
var merchantAccount = new MerchantAccountDAC().GetById(order.MerchantAccountId);
var orderWithdrawalFee = new OrderWithdrawalFeeDAC().GetByOrderId(order.Id);
if (orderWithdrawalFee != null)
{
var merchantOrderWithdrawalFeeWallet = merchantWalletDAC.GetByAccountId(order.MerchantAccountId, orderWithdrawalFee.CryptoId);
using (var scope = new TransactionScope())
{
merchantWalletDAC.Decrease(order.MerchantAccountId, order.CryptoId, order.ActualCryptoAmount);
new MerchantWalletStatementDAC().Insert(new MerchantWalletStatement
{
WalletId = merchantWallet.Id,
Action = "REFUND",
Amount = -order.ActualCryptoAmount,
Balance = merchantWallet.Balance - order.ActualCryptoAmount,
Timestamp = DateTime.UtcNow,
Remark = $"Refund to order({order.OrderNo})"
});
merchantWalletDAC.Increase(order.MerchantAccountId, orderWithdrawalFee.CryptoId, orderWithdrawalFee.Amount);
new MerchantWalletStatementDAC().Insert(new MerchantWalletStatement
{
WalletId = merchantOrderWithdrawalFeeWallet.Id,
Action = "REFUND",
Amount = orderWithdrawalFee.Amount,
Balance = merchantWallet.Balance - orderWithdrawalFee.Amount,
Timestamp = DateTime.UtcNow,
Remark = $"Refund to order({order.OrderNo})"
});
userWalletDAC.Increase(order.UserAccountId.Value, order.CryptoId, order.CryptoAmount);
new UserWalletStatementDAC().Insert(new UserWalletStatement
{
WalletId = userWallet.Id,
Action = "REFUND",
Amount = order.CryptoAmount,
Balance = userWallet.Balance + order.CryptoAmount,
FrozenAmount = 0,
FrozenBalance = userWallet.FrozenBalance,
Timestamp = DateTime.UtcNow,
Remark = $"Refund from order({order.OrderNo})"
});
order.Status = OrderStatus.Refunded;
order.Timestamp = DateTime.UtcNow;
orderDac.UpdateStatus(order);
new UserTransactionDAC().Insert(new UserTransaction
{
Id = Guid.NewGuid(),
AccountId = order.UserAccountId.Value,
CryptoId = userWallet.CryptoId,
CryptoCode = userWallet.CryptoCode,
Type = UserTransactionType.Refund,
DetailId = order.Id.ToString(),
Status = (byte)order.Status,
Timestamp = DateTime.UtcNow,
Amount = order.CryptoAmount,
OrderNo = order.OrderNo,
MerchantName = merchantAccount?.MerchantName
});
new RefundDAC().Insert(new Refund
{
OrderId = order.Id,
Status = RefundStatus.Completed,
Timestamp = DateTime.UtcNow
});
scope.Complete();
}
}
else
{
using (var scope = new TransactionScope())
{
merchantWalletDAC.Decrease(order.MerchantAccountId, order.CryptoId, order.ActualCryptoAmount);
new MerchantWalletStatementDAC().Insert(new MerchantWalletStatement
{
WalletId = merchantWallet.Id,
Action = "REFUND",
Amount = -order.ActualCryptoAmount,
Balance = merchantWallet.Balance - order.ActualCryptoAmount,
Timestamp = DateTime.UtcNow,
Remark = $"Refund to order({order.OrderNo})"
});
userWalletDAC.Increase(order.UserAccountId.Value, order.CryptoId, order.CryptoAmount);
new UserWalletStatementDAC().Insert(new UserWalletStatement
{
WalletId = userWallet.Id,
Action = "REFUND",
Amount = order.CryptoAmount,
Balance = userWallet.Balance + order.CryptoAmount,
FrozenAmount = 0,
FrozenBalance = userWallet.FrozenBalance,
Timestamp = DateTime.UtcNow,
Remark = $"Refund from order({order.OrderNo})"
});
order.Status = OrderStatus.Refunded;
//order.Timestamp = DateTime.UtcNow;
orderDac.UpdateStatus(order);
new UserTransactionDAC().Insert(new UserTransaction
{
Id = Guid.NewGuid(),
AccountId = order.UserAccountId.Value,
CryptoId = userWallet.CryptoId,
CryptoCode = userWallet.CryptoCode,
Type = UserTransactionType.Refund,
DetailId = order.Id.ToString(),
Status = (byte)order.Status,
Timestamp = DateTime.UtcNow,
Amount = order.CryptoAmount,
OrderNo = order.OrderNo,
MerchantName = merchantAccount?.MerchantName
});
new RefundDAC().Insert(new Refund
{
OrderId = order.Id,
Status = RefundStatus.Completed,
Timestamp = DateTime.UtcNow
});
scope.Complete();
}
}
return(true);
}
public TransferResult FiiiPOSTransferToEx(Guid accountId, int cryptoId, decimal amount, string pinToken)
{
var securityVerify = new SecurityVerification(SystemPlatform.FiiiPOS);
securityVerify.VerifyToken(accountId, pinToken, SecurityMethod.Pin);
var openAccountDac = new OpenAccountDAC();
var openAccount = openAccountDac.GetOpenAccount(FiiiType.FiiiPOS, accountId);
if (openAccount == null)
{
throw new CommonException(ReasonCode.GENERAL_ERROR, R.FiiiExAccountNotExist);
}
var crypto = new CryptocurrencyDAC().GetById(cryptoId);
if (crypto == null)
{
throw new CommonException(ReasonCode.GENERAL_ERROR, R.CurrencyForbidden);
}
var walletDac = new MerchantWalletDAC();
var wallet = walletDac.GetByAccountId(accountId, crypto.Id);
if (wallet.Balance < amount)
{
throw new CommonException(ReasonCode.GENERAL_ERROR, Resources.余额不足);
}
//10091=参数不符合要求 10013=用户信息不存在 10020=币不存在 0=成功
int result = FiiiExCoinIn(openAccount.OpenId, crypto.Code, amount, out string recordId);
if (result != 0)
{
throw new CommonException(ReasonCode.GENERAL_ERROR, Resources.从FiiiEx划转失败);
}
MerchantExTransferOrder order;
using (var scope = new TransactionScope())
{
walletDac.Decrease(wallet.Id, amount);
order = new MerchantExTransferOrder
{
Timestamp = DateTime.UtcNow,
OrderNo = CreateOrderNo(),
OrderType = ExTransferType.ToEx,
AccountId = accountId,
WalletId = wallet.Id,
CryptoId = crypto.Id,
CryptoCode = crypto.Code,
Amount = amount,
Status = 1,
Remark = null,
ExId = recordId
};
order = new MerchantExTransferOrderDAC().Create(order);
scope.Complete();
}
try
{
FiiiEXTransferMSMQ.PubMerchantTransferToEx(order.Id, 0);
}
catch (Exception ex)
{
LogHelper.Info("FiiiPOSTransferToEx - error", ex);
}
return(new TransferResult
{
Id = order.Id,
Amount = order.Amount.ToString(crypto.DecimalPlace),
OrderNo = order.OrderNo,
Timestamp = order.Timestamp.ToUnixTime(),
CryptoCode = crypto.Code
});
}
public void Refund(Guid accountId, string orderNo, string pinToken)
{
var merchantAccountDAC = new MerchantAccountDAC();
var merchantAccount = merchantAccountDAC.GetById(accountId);
if (merchantAccount == null)
{
return;
}
new SecurityVerification(SystemPlatform.FiiiPOS).VerifyToken(merchantAccount.Id, pinToken, SecurityMethod.Pin);
var orderDac = new OrderDAC();
var order = orderDac.GetByOrderNo(orderNo);
if (order == null)
{
throw new CommonException(10000, Resources.订单不存在);
}
if (merchantAccount.Id != order.MerchantAccountId)
{
return;
}
if (order.Status != OrderStatus.Completed)
{
throw new CommonException(10000, Resources.订单状态异常);
}
if (DateTime.UtcNow.AddDays(-3) > order.PaymentTime.Value)
{
throw new CommonException(10000, Resources.订单超过三天不能退款);
}
var merchantWalletDAC = new MerchantWalletDAC();
var userWalletDAC = new UserWalletDAC();
var merchantWallet = merchantWalletDAC.GetByAccountId(order.MerchantAccountId, order.CryptoId);
if (merchantWallet == null)
{
throw new CommonException(10000, Resources.商户不支持的币种);
}
if (merchantWallet.Balance < order.ActualCryptoAmount)
{
throw new CommonException(10000, Resources.余额不足);
}
var userWallet = userWalletDAC.GetByAccountId(order.UserAccountId.Value, order.CryptoId);
if (userWallet == null)
{
throw new CommonException(10000, Resources.用户不支持的币种);
}
var orderWithdrawalFee = new OrderWithdrawalFeeDAC().GetByOrderId(order.Id);
if (orderWithdrawalFee != null && orderWithdrawalFee.Amount > 0)
{
var merchantOrderWithdrawalFeeWallet = merchantWalletDAC.GetByAccountId(order.MerchantAccountId, orderWithdrawalFee.CryptoId);
using (var scope = new TransactionScope())
{
merchantWalletDAC.Decrease(merchantAccount.Id, order.CryptoId, order.ActualCryptoAmount);
new MerchantWalletStatementDAC().Insert(new MerchantWalletStatement
{
WalletId = merchantWallet.Id,
Action = "REFUND",
Amount = -order.ActualCryptoAmount,
Balance = merchantWallet.Balance - order.ActualCryptoAmount,
Timestamp = DateTime.UtcNow,
Remark = $"Refund to order({order.OrderNo})"
});
merchantWalletDAC.Increase(merchantAccount.Id, orderWithdrawalFee.CryptoId, orderWithdrawalFee.Amount);
new MerchantWalletStatementDAC().Insert(new MerchantWalletStatement
{
WalletId = merchantOrderWithdrawalFeeWallet.Id,
Action = "REFUND",
Amount = orderWithdrawalFee.Amount,
Balance = merchantWallet.Balance - orderWithdrawalFee.Amount,
Timestamp = DateTime.UtcNow,
Remark = $"Refund to order({order.OrderNo})"
});
userWalletDAC.Increase(order.UserAccountId.Value, order.CryptoId, order.CryptoAmount);
new UserWalletStatementDAC().Insert(new UserWalletStatement
{
WalletId = userWallet.Id,
Action = "REFUND",
Amount = order.CryptoAmount,
Balance = userWallet.Balance + order.CryptoAmount,
Timestamp = DateTime.UtcNow,
Remark = $"Refund from order({order.OrderNo})"
});
order.Status = OrderStatus.Refunded;
order.Timestamp = DateTime.UtcNow;
orderDac.UpdateStatus(order);
new RefundDAC().Insert(new Refund
{
OrderId = order.Id,
Status = RefundStatus.Completed,
Timestamp = DateTime.UtcNow
});
scope.Complete();
}
}
else
{
using (var scope = new TransactionScope())
{
merchantWalletDAC.Decrease(merchantAccount.Id, order.CryptoId, order.ActualCryptoAmount);
new MerchantWalletStatementDAC().Insert(new MerchantWalletStatement
{
WalletId = merchantWallet.Id,
Action = "REFUND",
Amount = -order.ActualCryptoAmount,
Balance = merchantWallet.Balance - order.ActualCryptoAmount,
Timestamp = DateTime.UtcNow,
Remark = $"Refund to order({order.OrderNo})"
});
userWalletDAC.Increase(order.UserAccountId.Value, order.CryptoId, order.CryptoAmount);
new UserWalletStatementDAC().Insert(new UserWalletStatement
{
WalletId = userWallet.Id,
Action = "REFUND",
Amount = order.CryptoAmount,
Balance = userWallet.Balance + order.CryptoAmount,
Timestamp = DateTime.UtcNow,
Remark = $"Refund from order({order.OrderNo})"
});
order.Status = OrderStatus.Refunded;
//order.Timestamp = DateTime.UtcNow;
orderDac.UpdateStatus(order);
new RefundDAC().Insert(new Refund
{
OrderId = order.Id,
Status = RefundStatus.Completed,
Timestamp = DateTime.UtcNow
});
scope.Complete();
}
}
MerchantMSMQ.PubRefundOrder(order.OrderNo, 0);
}
/// <summary>
/// 订单退款
/// </summary>
/// <param name="merchantId"></param>
/// <param name="orderNo"></param>
/// <param name="pin"></param>
/// <returns>-1=账号不存在 -2=PIN码错误 -3=订单不存在 -4=商家账户不对 -5=订单状态不符合要求 -6=商家不支持的币种 -7=商家金额不够 -8=用户钱包不支持币种 -9=回滚 -10=日期超过3天</returns>
public int RefundOrder(Guid merchantId, string orderNo, string pin)
{
OrderDAC orderDac = new OrderDAC();
MerchantAccount merchantAccount = new MerchantAccountDAC().GetById(merchantId);
if (merchantAccount == null)
{
throw new CommonException(ReasonCode.FiiiPosReasonCode.ACCOUNT_NOT_EXISTS, "账号不存在");
}
if (!PasswordHasher.VerifyHashedPassword(merchantAccount.PIN, pin))
{
throw new CommonException(ReasonCode.PIN_ERROR, "PIN码错误"); //Wrong PIN enterred
}
Order order = orderDac.GetByOrderNo(orderNo);
if (order == null)
{
throw new CommonException(ReasonCode.FiiiPosReasonCode.ORDERNO_NOT_EXISTS, "找不到该订单"); //The order not exist
}
if (merchantAccount.Id != order.MerchantAccountId)
{
throw new CommonException(ReasonCode.FiiiPosReasonCode.ORDERNO_NOTBE_ACCOUNT, "不是该用户的订单");
}
if (order.Status != OrderStatus.Completed)
{
throw new CommonException(ReasonCode.FiiiPosReasonCode.ORDER_COMPLETED, "订单已完成,不能退款"); //Wrong order status.
}
if (DateTime.UtcNow.AddDays(-3) > order.PaymentTime.Value)
{
throw new CommonException(ReasonCode.FiiiPosReasonCode.EMAIL_CODE_EXPIRE, "订单支付已超过3天,不能退款");//订单超过3天
}
var merchantWalletDAC = new MerchantWalletDAC();
var userWalletDAC = new UserWalletDAC();
var merchantWallet = merchantWalletDAC.GetByAccountId(order.MerchantAccountId, order.CryptoId);
if (merchantWallet == null)
{
throw new CommonException(ReasonCode.FiiiPosReasonCode.REFUND_MERCHANT_WALLET_NOT_EXISTS, "找不到该商家的钱包"); //Merchant account not support this cryptocurrency
}
if (merchantWallet.Balance < order.ActualCryptoAmount)
{
throw new CommonException(ReasonCode.FiiiPosReasonCode.REFUND_BALANCE_LOW, "余额不足,无法退款"); //Balance not enough
}
var userWallet = userWalletDAC.GetByAccountId(order.UserAccountId.Value, order.CryptoId);
if (userWallet == null)
{
throw new CommonException(ReasonCode.FiiiPosReasonCode.REFUND_USER_WALLET_NOT_EXISTS, "找不到订单用户的钱包"); //User account not support this cryptocurrency
}
int result = -9;
using (var scope = new TransactionScope())
{
merchantWalletDAC.Decrease(merchantAccount.Id, order.CryptoId, order.ActualCryptoAmount);
new MerchantWalletStatementDAC().Insert(new MerchantWalletStatement
{
WalletId = merchantWallet.Id,
Action = "REFUND",
Amount = -order.ActualCryptoAmount,
Balance = merchantWallet.Balance - order.ActualCryptoAmount,
Timestamp = DateTime.UtcNow,
Remark = $"Refund to order({order.OrderNo})"
});
userWalletDAC.Increase(order.UserAccountId.Value, order.CryptoId, order.CryptoAmount);
new UserWalletStatementDAC().Insert(new UserWalletStatement
{
WalletId = userWallet.Id,
Action = "REFUND",
Amount = order.CryptoAmount,
Balance = userWallet.Balance + order.CryptoAmount,
Timestamp = DateTime.UtcNow,
Remark = $"Refund from order({order.OrderNo})"
});
order.Status = OrderStatus.Refunded;
orderDac.UpdateStatus(order);
new RefundDAC().Insert(new Refund
{
OrderId = order.Id,
Status = RefundStatus.Completed,
Timestamp = DateTime.UtcNow
});
result = 1;
scope.Complete();
}
if (result > 0) //发送退款通知
{
RabbitMQSender.SendMessage("RefundOrder", order.OrderNo);
}
return(result);
}