BitSharp.Core.Workers.UnconfirmedTxesWorker.WorkAction C# (CSharp) Method

        protected override Task WorkAction()
        {
            using (updatedTracker.TryUpdate(staleAction: NotifyWork))
            {
                try
                {
                    foreach (var pathElement in unconfirmedTxesBuilder.Chain.NavigateTowards(() => chainStateWorker.CurrentChain))
                    {
                        // cooperative loop
                        ThrowIfCancelled();

                        // get block and metadata for next link in blockchain
                        var direction = pathElement.Item1;
                        var chainedHeader = pathElement.Item2;
                        IEnumerator<BlockTx> blockTxes;
                        if (!coreStorage.TryReadBlockTransactions(chainedHeader.Hash, out blockTxes))
                        {
                            BlockMissed?.Invoke(this, chainedHeader.Hash);
                            break;
                        }

                        if (direction > 0)
                            unconfirmedTxesBuilder.AddBlock(chainedHeader, blockTxes.UsingAsEnumerable());
                        else if (direction < 0)
                            unconfirmedTxesBuilder.RollbackBlock(chainedHeader, blockTxes.UsingAsEnumerable());
                        else
                            throw new InvalidOperationException();

                        currentChain = new Lazy<Chain>(() => unconfirmedTxesBuilder.Chain);

                        OnChanged?.Invoke(this, EventArgs.Empty);
                    }
                }
                catch (OperationCanceledException) { }
                catch (AggregateException ex)
                {
                    foreach (var innerException in ex.Flatten().InnerExceptions)
                        HandleException(innerException);
                }
                catch (Exception ex)
                {
                    HandleException(ex);
                }
            }

            return Task.CompletedTask;
        }