public CheckTransaction CheckTransactionHash(string email, int buyId)
{
var user = UserBusiness.GetValidUser(email);
var buy = BuyBusiness.Get(buyId);
if (buy == null || buy.UserId != user.Id || buy.LastTransaction == null)
{
throw new ArgumentException("Invalid purchase.");
}
var status = buy.LastTransaction.TransactionStatus;
if (status == TransactionStatus.Success.Value || status == TransactionStatus.Pending.Value)
{
if (status == TransactionStatus.Pending.Value)
{
status = CheckAndProcessTransaction(buy.LastTransaction, buy.Id).Value;
}
if (status == TransactionStatus.Success.Value)
{
var portfolio = PortfolioBusiness.GetSimple(buy.PortfolioId);
return(new CheckTransaction()
{
Status = status,
Distribution = DistributionBusiness.ListByProjection(portfolio.ProjectionId.Value)
});
}
}
return(new CheckTransaction()
{
Status = status
});
}
public void Cancel(string email, int buyId)
{
var user = UserBusiness.GetValidUser(email);
var buy = BuyBusiness.Get(buyId);
if (buy == null || buy.UserId != user.Id || buy.ExpirationDate.HasValue)
{
throw new ArgumentException("Invalid purchase.");
}
if (buy.LastTransaction.TransactionStatus == TransactionStatus.Pending.Value)
{
if (string.IsNullOrEmpty(buy.LastTransaction.TransactionHash))
{
TransactionBusiness.Process(buy.LastTransaction, TransactionStatus.Cancel);
}
else
{
try
{
var transaction = Web3.Web3Business.CheckTransaction(buy.LastTransaction.TransactionHash);
throw new ArgumentException(transaction.BlockNumber.HasValue ? "The transaction is already minted." : "Pending transaction cannot be canceled.");
}
catch (DomainObjects.Web3.Web3Exception ex)
{
if (ex.Code == 404)
{
TransactionBusiness.Process(buy.LastTransaction, TransactionStatus.Cancel);
}
else
{
throw;
}
}
}
}
else if (buy.LastTransaction.TransactionStatus == TransactionStatus.Error.Value)
{
using (var transaction = new TransactionalDapperCommand())
{
var trans = TransactionBusiness.SetCanceled(user.Id);
transaction.Insert(trans);
var buyTrans = BuyTransactionBusiness.SetNew(buyId, trans.Id);
transaction.Insert(buyTrans);
transaction.Commit();
}
}
else
{
throw new ArgumentException("Invalid transaction status.");
}
}
public void SetTransactionHash(string email, int buyId, string transactionHash)
{
var user = UserBusiness.GetValidUser(email);
var buy = BuyBusiness.Get(buyId);
if (buy == null || buy.UserId != user.Id || buy.ExpirationDate.HasValue)
{
throw new ArgumentException("Invalid purchase.");
}
if (buy.LastTransaction.TransactionStatus == TransactionStatus.Pending.Value && string.IsNullOrEmpty(buy.LastTransaction.TransactionHash))
{
TransactionBusiness.SetTransactionHash(buy.LastTransaction, transactionHash);
}
else if (buy.LastTransaction.TransactionStatus == TransactionStatus.Error.Value)
{
Create(user.Id, buyId, transactionHash);
}
else if (buy.LastTransaction.TransactionStatus == TransactionStatus.Pending.Value && TransactionBusiness.TransactionCanBeConsideredLost(buy.LastTransaction) &&
buy.LastTransaction.TransactionHash != transactionHash.ToLower().Trim())
{
try
{
var transaction = Web3.Web3Business.CheckTransaction(buy.LastTransaction.TransactionHash);
throw new ArgumentException(transaction.BlockNumber.HasValue ? "Before transaction was processed." : "Before transaction is still pending.");
}
catch (DomainObjects.Web3.Web3Exception ex)
{
if (ex.Code == 404)
{
HandleLostTransaction(buy.LastTransaction, user.Id, buyId, transactionHash);
}
else
{
throw;
}
}
}
else
{
throw new ArgumentException("Invalid transaction status.");
}
}
