public void Start()
{
_logger.Info("Started");
_communicationService.Start();
PeriodicTaskFactory.Start(async() =>
{
if (_isProcessing)
{
return;
}
lock (_sync)
{
if (_isProcessing)
{
return;
}
_isProcessing = true;
}
try
{
Proto.Model.SyncBlockDescriptor syncBlockDescriptor = _syncLayerSyncManagerClient.GetLastSyncBlock(new Empty());
if (_lastSyncDescriptor.Height < syncBlockDescriptor.Height)
{
_lastSyncDescriptor = new Entities.SyncBlockDescriptor(syncBlockDescriptor.Height, syncBlockDescriptor.Hash.ToByteArray());
_dataAccessService.UpdateLastSyncBlock(syncBlockDescriptor.Height, syncBlockDescriptor.Hash.ToByteArray());
}
ulong lastCombinedBlockHeight = _lastCombinedBlockDescriptor.Height;
SynchronizationRegistryCombinedBlock lastCombinedBlock = null;
AsyncServerStreamingCall <TransactionInfo> asyncCall = _syncLayerSyncManagerClient.GetCombinedRegistryBlocksContentSinceHeight(new ByHeightRequest {
Height = _lastCombinedBlockDescriptor.Height
});
while (await asyncCall.ResponseStream.MoveNext(_cancellationToken))
{
SynchronizationRegistryCombinedBlock combinedBlock = GetRegistryCombinedBlock(asyncCall.ResponseStream.Current);
if (combinedBlock == null)
{
continue;
}
try
{
_dataAccessService.UpdateLastRegistryCombinedBlock(combinedBlock.BlockHeight, combinedBlock.RawData.ToArray());
if (lastCombinedBlockHeight < combinedBlock.BlockHeight)
{
lastCombinedBlockHeight = combinedBlock.BlockHeight;
lastCombinedBlock = combinedBlock;
}
foreach (byte[] fullRegistryBlockHash in combinedBlock.BlockHashes)
{
await UpdateTransactionsByFullRegistryBlock(combinedBlock, fullRegistryBlockHash);
}
}
catch (Exception ex)
{
_logger.Error($"Failure during obtaining transactions at Registry Combined Block with height {combinedBlock.BlockHeight}", ex);
}
}
if (lastCombinedBlock != null)
{
_lastCombinedBlockDescriptor = new RegistryCombinedBlockDescriptor(lastCombinedBlock.BlockHeight, lastCombinedBlock.RawData.ToArray(), _defaultHashCalculation.CalculateHash(lastCombinedBlock.RawData));
_dataAccessService.UpdateLastRegistryCombinedBlock(_lastCombinedBlockDescriptor.Height, _lastCombinedBlockDescriptor.Hash);
}
}
catch (Exception ex)
{
_logger.Error("Failure during updating blockchain", ex);
}
finally
{
_isProcessing = false;
}
}, 5000, cancelToken: _cancellationToken);
}
private void FillSyncData(UtxoConfidentialBase block)
{
Proto.Model.SyncBlockDescriptor lastSyncBlock = _networkAdapter.GetLastSyncBlock();
block.SyncBlockHeight = lastSyncBlock.Height;
block.PowHash = GetPowHash(lastSyncBlock.Hash.ToByteArray(), 0);
}