public async Task <PayOrderOM> PayAsync(UserAccount user, StoreOrderPayIM im)
{
#region 验证
if (im.FiatAmount <= 0)
{
throw new ApplicationException();
}
SecurityVerify.Verify(new PinVerifier(), SystemPlatform.FiiiPay, user.Id.ToString(), user.Pin, im.Pin);
if (!user.IsAllowExpense.HasValue || !user.IsAllowExpense.Value)
{
throw new CommonException(ReasonCode.Not_Allow_Expense, MessageResources.PaymentForbidden);
}
var coin = new CryptocurrencyDAC().GetById(im.CoinId);
if (!coin.Status.HasFlag(CryptoStatus.Pay) || coin.Enable == 0)
{
throw new CommonException(ReasonCode.CURRENCY_FORBIDDEN, MessageResources.CurrencyForbidden);
}
var merchantInfo = new MerchantInformationDAC().GetById(im.MerchantInfoId);
if (merchantInfo.Status != Status.Enabled || merchantInfo.VerifyStatus != VerifyStatus.Certified || merchantInfo.IsPublic != Status.Enabled)
{
throw new CommonException(ReasonCode.Not_Allow_AcceptPayment, MessageResources.MerchantExceptionTransClose);
}
if (!merchantInfo.IsAllowExpense)
{
throw new CommonException(ReasonCode.Not_Allow_AcceptPayment, MessageResources.MerchantReceiveNotAllowed);
}
if (merchantInfo.AccountType == AccountType.Merchant)
{
throw new ApplicationException();
}
var storeAccount = new UserAccountDAC().GetById(merchantInfo.MerchantAccountId);
if (storeAccount.Id == user.Id)
{
throw new CommonException(ReasonCode.Not_Allow_AcceptPayment, MessageResources.PaytoSelf);
}
if (storeAccount == null || storeAccount.Status.Value != (byte)AccountStatus.Active)
{
throw new CommonException(ReasonCode.Not_Allow_AcceptPayment, MessageResources.MerchantFiiipayAbnormal);
}
var paySetting = await new StorePaySettingDAC().GetByCountryIdAsync(merchantInfo.CountryId);
if (paySetting != null)
{
if (im.FiatAmount > paySetting.LimitAmount)
{
throw new CommonException(ReasonCode.TRANSFER_AMOUNT_OVERFLOW, string.Format(MessageResources.TransferAmountOverflow, paySetting.LimitAmount, paySetting.FiatCurrency));
}
}
#endregion
var walletDAC = new UserWalletDAC();
var statementDAC = new UserWalletStatementDAC();
var storeOrderDAC = new StoreOrderDAC();
var utDAC = new UserTransactionDAC();
#region 计算
decimal markup = merchantInfo.Markup;
decimal feeRate = merchantInfo.FeeRate;
var exchangeRate = new PriceInfoDAC().GetPriceByName(storeAccount.FiatCurrency, coin.Code);
decimal failTotalAmount = im.FiatAmount + (im.FiatAmount * markup).ToSpecificDecimal(4);
decimal transactionFiatFee = (im.FiatAmount * feeRate).ToSpecificDecimal(4);
decimal transactionFee = (transactionFiatFee / exchangeRate).ToSpecificDecimal(coin.DecimalPlace);
decimal cryptoAmount = (failTotalAmount / exchangeRate).ToSpecificDecimal(coin.DecimalPlace);
var fromWallet = walletDAC.GetUserWallet(user.Id, im.CoinId);
if (fromWallet == null || fromWallet.Balance < cryptoAmount)
{
throw new CommonException(ReasonCode.INSUFFICIENT_BALANCE, MessageResources.InsufficientBalance);
}
var toWallet = walletDAC.GetUserWallet(storeAccount.Id, im.CoinId);
if (toWallet == null)
{
toWallet = new UserWalletComponent().GenerateWallet(storeAccount.Id, im.CoinId);
}
#endregion
#region entity
DateTime dtNow = DateTime.UtcNow;
StoreOrder order = new StoreOrder
{
Id = Guid.NewGuid(),
OrderNo = IdentityHelper.OrderNo(),
Timestamp = dtNow,
Status = OrderStatus.Completed,
MerchantInfoId = merchantInfo.Id,
MerchantInfoName = merchantInfo.MerchantName,
UserAccountId = user.Id,
CryptoId = im.CoinId,
CryptoCode = coin.Code,
CryptoAmount = cryptoAmount,
CryptoActualAmount = cryptoAmount - transactionFee,
ExchangeRate = exchangeRate,
Markup = markup,
FiatCurrency = storeAccount.FiatCurrency,
FiatAmount = im.FiatAmount,
FiatActualAmount = failTotalAmount,
FeeRate = feeRate,
TransactionFee = transactionFee,
PaymentTime = dtNow
};
UserWalletStatement fromStatement = new UserWalletStatement
{
WalletId = fromWallet.Id,
Action = UserWalletStatementAction.StoreOrderOut,
Amount = -order.CryptoAmount,
Balance = fromWallet.Balance - order.CryptoAmount,
FrozenAmount = 0,
FrozenBalance = fromWallet.FrozenBalance,
Timestamp = dtNow
};
UserWalletStatement toStatement = new UserWalletStatement
{
WalletId = toWallet.Id,
Action = UserWalletStatementAction.StoreOrderIn,
Amount = order.CryptoActualAmount,
Balance = toWallet.Balance + order.CryptoActualAmount,
FrozenAmount = 0,
FrozenBalance = toWallet.FrozenBalance,
Timestamp = dtNow
};
#endregion
using (var scope = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
{
await storeOrderDAC.CreateAsync(order);
await utDAC.InsertAsync(new UserTransaction
{
Id = Guid.NewGuid(),
AccountId = fromWallet.UserAccountId,
CryptoId = order.CryptoId,
CryptoCode = order.CryptoCode,
Type = UserTransactionType.StoreOrderConsume,
DetailId = order.Id.ToString(),
Status = (byte)order.Status,
Timestamp = order.PaymentTime.Value,
Amount = order.CryptoAmount,
OrderNo = order.OrderNo,
MerchantName = order.MerchantInfoName
});
await utDAC.InsertAsync(new UserTransaction
{
Id = Guid.NewGuid(),
AccountId = toWallet.UserAccountId,
CryptoId = order.CryptoId,
CryptoCode = order.CryptoCode,
Type = UserTransactionType.StoreOrderIncome,
DetailId = order.Id.ToString(),
Status = (byte)order.Status,
Timestamp = order.Timestamp,
Amount = order.CryptoActualAmount,
OrderNo = order.OrderNo,
MerchantName = order.MerchantInfoName
});
walletDAC.Decrease(fromWallet.Id, order.CryptoAmount);
walletDAC.Increase(toWallet.Id, order.CryptoActualAmount);
statementDAC.Insert(fromStatement);
statementDAC.Insert(toStatement);
scope.Complete();
}
var pushObj = new { order.Id, order.UserAccountId, order.CryptoCode };
RabbitMQSender.SendMessage("StoreOrderPayed", new { order.Id, MerchantInfoId = merchantInfo.MerchantAccountId, order.UserAccountId, order.CryptoCode });
return(new PayOrderOM
{
Amount = order.CryptoAmount.ToString(coin.DecimalPlace),
Currency = coin.Code,
OrderId = order.Id.ToString(),
OrderNo = order.OrderNo,
Timestamp = dtNow.ToUnixTime().ToString()
});
}
