public string FiiiPOSTransferInto(MerchantAccount account, Cryptocurrency coin, decimal amount)
{
var walletDac = new MerchantWalletDAC();
var wallet = walletDac.GetByAccountId(account.Id, coin.Id);
MerchantExTransferOrder order;
using (var scope = new TransactionScope())
{
if (wallet == null)
{
wallet = new MerchantWalletComponent().GenerateWallet(account.Id, coin.Id);
}
walletDac.Increase(wallet.Id, amount);
order = new MerchantExTransferOrder
{
Timestamp = DateTime.UtcNow,
OrderNo = CreateOrderNo(),
OrderType = ExTransferType.FromEx,
AccountId = account.Id,
WalletId = wallet.Id,
CryptoId = coin.Id,
CryptoCode = coin.Code,
Amount = amount,
Status = 1,
Remark = null,
ExId = null
};
new MerchantExTransferOrderDAC().Create(order);
scope.Complete();
}
try
{
FiiiEXTransferMSMQ.PubMerchantTransferFromEx(order.Id, 0);
}
catch (Exception ex)
{
LogHelper.Info("PubMerchantTransferFromEx - error", ex);
}
return(order.OrderNo);
}
public TransferFiiiExConditionDTO FiiiPOSTransferFiiiExCondition(Guid accountId, int cryptoId)
{
var crypto = new CryptocurrencyDAC().GetById(cryptoId);
var walletDac = new MerchantWalletDAC();
var wallet = walletDac.GetByAccountId(accountId, crypto.Id);
var fiiiExBalance = this.FiiiExBalance(FiiiType.FiiiPOS, accountId, crypto);
var minQuantity =
(1M / (decimal)Math.Pow(10, crypto.DecimalPlace)).ToString(crypto.DecimalPlace);
return(new TransferFiiiExConditionDTO
{
Balance = (wallet?.Balance ?? 0M).ToString(crypto.DecimalPlace),
MinQuantity = minQuantity,
FiiiExBalance = fiiiExBalance.ToString(crypto.DecimalPlace),
FiiiExMinQuantity = minQuantity
});
}
public DepositAddressInfo GetDepositAddressById(Guid accountId, int cryptoId)
{
var crypto = new CryptocurrencyDAC().GetById(cryptoId);
if (crypto == null)
{
throw new CommonException(ReasonCode.RECORD_NOT_EXIST, Resources.支持的币种);
}
if (!crypto.Status.HasFlag(CryptoStatus.Deposit))
{
throw new CommonException(ReasonCode.CURRENCY_FORBIDDEN, Resources.CurrencyForbidden);
}
if (crypto.Enable == (byte)CurrencyStatus.Forbidden)
{
throw new CommonException(ReasonCode.CURRENCY_FORBIDDEN, Resources.CurrencyForbidden);
}
var dac = new MerchantWalletDAC();
var wallet = dac.GetByAccountId(accountId, cryptoId) ?? GenerateWallet(accountId, cryptoId, crypto.Code);
if (string.IsNullOrEmpty(wallet.Address))
{
var accountDAC = new MerchantAccountDAC();
var account = accountDAC.GetById(accountId);
var result = new FiiiFinanceAgent().CreateWallet(crypto.Code, account.Id, AccountTypeEnum.Merchant, account.Email, $"{account.PhoneCode}{account.Cellphone}");
if (string.IsNullOrWhiteSpace(result.Address))
{
throw new CommonException(ReasonCode.GENERAL_ERROR, Resources.FailedGenerateAddress);
}
wallet.Address = result.Address;
wallet.Tag = result.DestinationTag;
dac.UploadAddress(wallet.Id, wallet.Address, wallet.Tag);
}
return(new DepositAddressInfo {
Address = wallet.Address, Tag = wallet.Tag, NeedTag = crypto.NeedTag
});
}
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 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);
}
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 List <MerchantSupportReceiptWalletDTO> SupportReceiptList(Guid accountId)
{
var account = new MerchantAccountDAC().GetById(accountId);
var dac = new MerchantWalletDAC();
var cryptoList = new CryptocurrencyDAC().GetAllActived();
var fiiiCrypto = cryptoList.First(w => w.Code == FIIICOIN_CODE);
var fiiiWallet = dac.GetByAccountId(account.Id, fiiiCrypto.Id) ?? GenerateWallet(accountId, fiiiCrypto.Id, fiiiCrypto.Code, FIIICOIN_SEQUENCE, true);
if (!fiiiWallet.SupportReceipt || fiiiWallet.Sequence != FIIICOIN_SEQUENCE)
{
dac.Support(account.Id, fiiiWallet.CryptoId, FIIICOIN_SEQUENCE);
}
List <MerchantWallet> supportReceiptList;
var pos = new POSDAC().GetById(account.POSId.Value);
if (pos.IsWhiteLabel)
{
var whiteCrypto = cryptoList.First(w => w.Code == pos.FirstCrypto);
var whiteWallet = dac.GetByAccountId(account.Id, whiteCrypto.Id);
if (whiteWallet == null)
{
GenerateWallet(accountId, whiteCrypto.Id, whiteCrypto.Code, WHITECOIN_SEQUENCE, true);
}
else if (!whiteWallet.SupportReceipt || whiteWallet.Sequence != WHITECOIN_SEQUENCE)
{
dac.Support(account.Id, whiteWallet.CryptoId, WHITECOIN_SEQUENCE);
}
supportReceiptList = dac.SupportReceiptList(accountId).OrderBy(e => e.Sequence).ToList();
}
else
{
var whiteCryptoList = cryptoList.Where(e => e.IsWhiteLabel == 1).ToList();
supportReceiptList = dac.SupportReceiptList(accountId).OrderBy(e => e.Sequence).ToList();
supportReceiptList.RemoveAll(e => whiteCryptoList.Exists(a => a.Id == e.CryptoId));
}
var marketPriceList = new PriceInfoDAC().GetPrice(account.FiatCurrency);
return(supportReceiptList.Select(e =>
{
var crypto = cryptoList.FirstOrDefault(w => w.Id == e.CryptoId);
if (crypto == null)
{
return null;
}
return new MerchantSupportReceiptWalletDTO
{
WalletId = e.Id,
CryptoId = crypto.Id,
CryptoStatus = crypto.Status,
CryptoCode = crypto.Code,
CryptoName = crypto.Name,
IconURL = crypto.IconURL,
DecimalPlace = crypto.DecimalPlace,
Markup = account.Markup,
MarketPrice = marketPriceList.FirstOrDefault(m => crypto.Code == m.CryptoName)?.Price.ToString(4),
Balance = string.Equals("FIII", crypto.Code, StringComparison.CurrentCultureIgnoreCase) ? e.Balance : 0,
IsDefault = e.CryptoId == fiiiCrypto.Id || (pos.IsWhiteLabel && crypto.Code == pos.FirstCrypto) ? 1 : 0,
CryptoEnable = crypto.Enable
};
}).Where(w => w != null).ToList());
}
public void SettingCrytocurrencies(Guid accountId, List <int> cryptoIds)
{
var mwDac = new MerchantWalletDAC();
var mwList = mwDac.GetByAccountId(accountId).ToList();
var cryptoList = new CryptocurrencyDAC().GetByIds(cryptoIds.ToArray());
// FIII 不参与排序
var fiiiCrypto = cryptoList.FirstOrDefault(e => e.Code == FIIICOIN_CODE);
if (fiiiCrypto != null)
{
cryptoIds.Remove(fiiiCrypto.Id);
var fiiiWallet = mwList.FirstOrDefault(e => e.CryptoId == fiiiCrypto.Id);
if (fiiiWallet != null)
{
mwList.Remove(fiiiWallet);
}
}
// 白标POS机的白标币不参与排序
var account = new MerchantAccountDAC().GetById(accountId);
var pos = new POSDAC().GetById(account.POSId.Value);
if (pos.IsWhiteLabel)
{
var whiteCrypto = cryptoList.FirstOrDefault(e => e.Code == pos.FirstCrypto);
if (whiteCrypto != null)
{
cryptoIds.Remove(whiteCrypto.Id);
var whiteWallet = mwList.FirstOrDefault(e => e.CryptoId == whiteCrypto.Id);
if (whiteWallet != null)
{
mwList.Remove(whiteWallet);
}
}
}
for (int i = 0; i < cryptoIds.Count; i++)
{
int seq = i + 1;
var crypto = cryptoList.FirstOrDefault(e => e.Id == cryptoIds[i]);
if (crypto == null)
{
continue;
}
var wallet = mwList.FirstOrDefault(e => e.CryptoId == cryptoIds[i]);
// 新增
if (wallet == null)
{
GenerateWallet(accountId, crypto.Id, crypto.Code, seq, true);
continue;
}
// 启用
if (!wallet.SupportReceipt || wallet.Sequence != seq)
{
mwDac.Support(accountId, crypto.Id, seq);
}
mwList.Remove(wallet);
}
mwList.RemoveAll(e => !e.SupportReceipt);
// 禁用
foreach (var wallet in mwList)
{
mwDac.Reject(accountId, wallet.CryptoId);
}
}
public async Task <ScanMerchantQRCodeOM> ScanMerchantQRCode(UserAccount user, string code)
{
var codeEntity = QRCode.Deserialize(code);
if (codeEntity.SystemPlatform != SystemPlatform.FiiiPOS || codeEntity.QrCodeEnum != QRCodeEnum.MerchantScanPay)
{
throw new CommonException(ReasonCode.INVALID_QRCODE, MessageResources.InvalidQRCode);
}
Guid merchantId = Guid.Parse(codeEntity.QRCodeKey);
ScanMerchantQRCodeOM om = new ScanMerchantQRCodeOM();
var merchantAccount = GetMerchantAccountByIdOrCode(merchantId, null);
//if (merchantAccount.POSId == null)
//{
// throw new CommonException(ReasonCode.INVALID_QRCODE, MessageResources.InvalidQRCode);
//}
if (merchantAccount.Status == AccountStatus.Locked || !merchantAccount.IsAllowAcceptPayment)
{
throw new CommonException(ReasonCode.MERCHANT_ACCOUNT_DISABLED, MessageResources.MerchantAccountDisabled);
}
Guid.TryParse(merchantAccount.Photo, out Guid merchantAvatar);
var uwDAC = new UserWalletDAC();
var mwDAC = new MerchantWalletDAC();
var userWallets = uwDAC.GetUserWallets(user.Id);
var merchantWallets = mwDAC.GetByAccountId(merchantAccount.Id);
var coins = new CryptocurrencyDAC().GetAllActived();
var priceList = new PriceInfoDAC().GetPrice(merchantAccount.FiatCurrency);
//判断Pos机是否白标用户
bool showWhiteLable = false;
if (merchantAccount.POSId.HasValue)
{
var pos = new POSDAC().GetById(merchantAccount.POSId.Value);
if (pos.IsWhiteLabel)
{
showWhiteLable = true;
}
}
if (!showWhiteLable)
{
var whilteLabelCryptoCode = new POSDAC().GetWhiteLabelCryptoCode();
coins.RemoveAll(t => t.Code == whilteLabelCryptoCode);
}
return(await Task.FromResult(new ScanMerchantQRCodeOM
{
MerchantId = merchantAccount.Id,
MerchantName = merchantAccount.MerchantName,
Avatar = merchantAvatar,
L1VerifyStatus = (byte)merchantAccount.L1VerifyStatus,
L2VerifyStatus = (byte)merchantAccount.L2VerifyStatus,
FiatCurrency = merchantAccount.FiatCurrency,
MarkupRate = merchantAccount.Markup.ToString(CultureInfo.InvariantCulture),
WaletInfoList = coins.Select(a =>
{
var userWallet = userWallets.FirstOrDefault(b => b.CryptoId == a.Id);
decimal rate = 0;
rate = priceList.Where(t => t.CryptoID == a.Id).Select(t => t.Price).FirstOrDefault();
return GetItem(userWallet, a, merchantWallets, rate);
}).OrderByDescending(a => a.MerchantSupported).ThenBy(a => a.PayRank).Select(a => new WalletItem
{
Code = a.Code,
NewStatus = a.NewStatus,
ExchangeRate = a.ExchangeRate,
FrozenBalance = a.FrozenBalance,
IconUrl = a.IconUrl,
Id = a.Id,
MerchantSupported = a.MerchantSupported,
Name = a.Name,
UseableBalance = a.UseableBalance,
FiatBalance = a.FiatBalance,
DecimalPlace = a.DecimalPlace,
CryptoEnable = a.CryptoEnable
}).ToList()
}));
}
/// <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);
}
