public void Run()
{
var cancellationToken = _cancellationTokenSource.Token;
Task.Factory.StartNew(async() =>
{
while (!cancellationToken.IsCancellationRequested)
{
if (!_unverifiedTransactionPool.Any())
{
await _asyncDelayer.Delay(DefaultTransactionPollingInterval, cancellationToken);
continue;
}
var unverifiedTransactionHashes = _unverifiedTransactionPool.Keys;
var transactionPool = _verifiedTransactionPool.Concat(
_unverifiedTransactionPool.Values.Where(t => unverifiedTransactionHashes.Contains(t.Hash)))
.ToArray();
foreach (var transactionHash in unverifiedTransactionHashes)
{
if (!_unverifiedTransactionPool.TryGetValue(transactionHash, out var transaction))
{
continue;
}
var valid = this._transactionVerifier.Verify(transaction);
if (transactionPool
.Where(t => t.Hash != transactionHash)
.Where(p => p != transaction)
.SelectMany(p => p.Inputs)
.Intersect(transaction.Inputs)
.Any())
{
valid = false;
}
if (valid)
{
_verifiedTransactionPool.Add(transaction);
}
_unverifiedTransactionPool.TryRemove(transactionHash, out _);
OnTransactionProcessed?.Invoke(this, transaction);
}
}
}, cancellationToken, TaskCreationOptions.LongRunning, TaskScheduler.Default);
}