public BlockResult ExecuteNextBlock(CancellationToken cancellationToken)
{
this.logger.LogTrace("()");
BlockResult result = new BlockResult();
try
{
using (new StopwatchDisposable(o => this.Validator.PerformanceCounter.AddBlockFetchingTime(o)))
{
while (true)
{
result.Block = this.Puller.NextBlock(cancellationToken);
if (result.Block != null)
{
this.logger.LogTrace("Block received from puller.");
break;
}
this.logger.LogTrace("No block received from puller due to reorganization, rewinding.");
while (true)
{
uint256 hash = this.UTXOSet.Rewind().GetAwaiter().GetResult();
ChainedBlock rewinded = this.Chain.GetBlock(hash);
if (rewinded == null)
{
this.logger.LogTrace("Rewound to '{0}', which is still not a part of the current best chain, rewinding further.", hash);
continue;
}
this.logger.LogTrace("Rewound to '{0}'.", hash);
this.Tip = rewinded;
this.Puller.SetLocation(rewinded);
break;
}
}
}
this.AcceptBlock(new ContextInformation(result, this.Validator.ConsensusParams));
}
catch (ConsensusErrorException ex)
{
result.Error = ex.ConsensusError;
}
this.logger.LogTrace("(-):*.{0}='{1}',*.{2}='{3}'", nameof(result.ChainedBlock), result.ChainedBlock, nameof(result.Error), result.Error?.Message);
return(result);
}
public ContextInformation(BlockResult blockResult, NBitcoin.Consensus consensus)
{
Guard.NotNull(blockResult, nameof(blockResult));
Guard.NotNull(consensus, nameof(consensus));
this.BlockResult = blockResult;
this.Consensus = consensus;
// TODO: adding flags to determine the flow of logic is not ideal
// a refator is in depbate on moving to a consensus rules engine
// this will remove hte need for flags as a validation will
// only use the required rules (i.e if the check pow rule will be ommited form the flow)
this.CheckPow = true;
this.CheckMerkleRoot = true;
this.OnlyCheck = false;
}
public BlockResult ExecuteNextBlock(CancellationToken cancellationToken)
{
BlockResult result = new BlockResult();
try
{
using (this.watch.Start(o => this.Validator.PerformanceCounter.AddBlockFetchingTime(o)))
{
while (true)
{
result.Block = this.Puller.NextBlock(cancellationToken);
if (result.Block != null)
{
break;
}
else
{
while (true)
{
var hash = this.UTXOSet.Rewind().GetAwaiter().GetResult();
var rewinded = this.Chain.GetBlock(hash);
if (rewinded == null)
{
continue;
}
this.Tip = rewinded;
this.Puller.SetLocation(rewinded);
break;
}
}
}
}
this.AcceptBlock(new ContextInformation(result, this.Validator.ConsensusParams));
}
catch (ConsensusErrorException ex)
{
result.Error = ex.ConsensusError;
}
return(result);
}
