public IActionResult Process(Transaction transaction)
{
try
{
lock (lockDns)
{
var auths = Parse(transaction.Data);
var ids = auths.Select(log => log.TranId).ToList();
using (_logger.BeginScope(ids))
{
if (!ids.Any())
{
return(new OkResult());
}
var pendingLogs = _blockchain.SelectPendingLogs(ids, _threshold - 1);
var toUpdate = _blockchain.SelectLogs(ids);
var toUpdateIds = toUpdate.Select(log => log.TranId);
foreach (var log in toUpdate)
{
var pending = auths.SingleOrDefault(l => l.TranId == log.TranId);
if (pending.Successful)
{
log.SuccessfulOrks += "|" + pending.OrkId;
}
else
{
log.UnsuccessfulOrks += "|" + pending.OrkId;
}
}
var toInsert =
(from p in pendingLogs.Where(log => log.Count >= _threshold - 1 && !toUpdateIds.Contains(log.TranId))
join n in auths on new { p.TranId, p.Successful } equals new { n.TranId, n.Successful }
where p.Count + 1 >= _threshold
select new Auth()
{
TranId = p.TranId,
Successful = p.Successful,
Method = n.Method,
Uid = n.Uid,
SuccessfulOrks = p.Successful ? p.Orks + "|" + n.OrkId : string.Empty,
UnsuccessfulOrks = !p.Successful ? p.Orks + "|" + n.OrkId : string.Empty,
Time = DateTimeOffset.UtcNow
}).ToList();
foreach (var log in toInsert)
{
var pending = pendingLogs.SingleOrDefault(l => l.TranId == log.TranId && l.Successful != log.Successful);
if (pending == null)
{
continue;
}
if (pending.Successful)
{
log.SuccessfulOrks = pending.Orks;
}
else
{
log.UnsuccessfulOrks = pending.Orks;
}
}
var toPending = auths.Where(auth => !toInsert.Any(ins => ins.TranId == auth.TranId) && !toUpdate.Any(itm2 => itm2.TranId == auth.TranId)).ToList();
_logger.LogInformation($"To update: {string.Join(' ', toUpdate.Select(trn => trn.Id))}");
_logger.LogInformation($"To insert: {string.Join(' ', toInsert.Select(trn => trn.Id))}");
//TODO: add transaction in database
//TODO: delete or change pending processing status and use toPending instead of auths
_blockchain.UpdateLogs(toUpdate);
_blockchain.InsertLogs(toInsert);
_blockchain.InsertPendingLogs(auths);
return(new OkResult());
}
}
}
catch (System.Exception e)
{
_logger.LogError(0, e, "Error processing transaction: {0}", transaction.Data);
return(new ObjectResult(e.Message)
{
StatusCode = 500
});
}
}