private void ProcessBlocks(CancellationToken ct)
{
foreach (SynchronizationConfirmedBlock synchronizationBlock in _synchronizationBlocks.GetConsumingEnumerable(ct))
{
if ((_synchronizationContext.LastBlockDescriptor?.BlockHeight ?? 0) >= synchronizationBlock.BlockHeight)
{
continue;
}
_synchronizationContext.UpdateLastSyncBlockDescriptor(new SynchronizationDescriptor(synchronizationBlock.BlockHeight, _hashCalculation.CalculateHash(synchronizationBlock.RawData), synchronizationBlock.ReportedTime, DateTime.Now, synchronizationBlock.Round));
_chainDataService.Add(synchronizationBlock);
IPacketProvider packetProvider = _rawPacketProvidersFactory.Create(synchronizationBlock);
_communicationService.PostMessage(_neighborhoodState.GetAllNeighbors(), packetProvider);
}
}
private void BroadcastConfirmation(ulong height, ushort round, byte[] prevHash, ulong syncBlockHeight, byte[] powValue)
{
//List<SynchronizationBlockRetransmissionV1> retransmittedSyncBlocks = _synchronizationBlocksByHeight[height].Where(r => _nodeContext.SyncGroupParticipants.Any(p => p.Key == r.Key)).Select(kv => kv.Value.First()).OrderBy(s => s.ConfirmationPublicKey.ToHexString()).ToList();
SynchronizationConfirmedBlock synchronizationConfirmedBlock = new SynchronizationConfirmedBlock
{
BlockHeight = height,
HashPrev = prevHash, //TODO: does not seems too secure
SyncBlockHeight = syncBlockHeight, //TODO: does not seems too secure
PowHash = powValue, //TODO: does not seems too secure
Round = round,
PublicKeys = new byte[0][], // retransmittedSyncBlocks.Select(b => b.ConfirmationPublicKey).ToArray(),
Signatures = new byte[0][] //retransmittedSyncBlocks.Select(b => b.ConfirmationSignature).ToArray()
};
ISerializer confirmationBlockSerializer = _signatureSupportSerializersFactory.Create(synchronizationConfirmedBlock);
_communicationService.PostMessage(_neighborhoodState.GetAllNeighbors(), confirmationBlockSerializer);
}