/// <summary>
///
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
private async Task <BlockGraphProto> ProcessBlock(BlockGraphMessage message)
{
try
{
if (!await signingActorProvider.VerifiyBlockSignature(new VerifiyBlockSignatureMessage(message.BlockGraph.Block)))
{
logger.Error($"<<< ProcessBlockProvider.ProcessBlocks >>>: Unable to verify signature for block {message.BlockGraph.Block.Round} from node {message.BlockGraph.Block.Node}");
return(null);
}
if (message.BlockGraph.Prev != null && message.BlockGraph.Prev?.Round != 0)
{
if (!await signingActorProvider.VerifiyBlockSignature(new VerifiyBlockSignatureMessage(message.BlockGraph.Prev)))
{
logger.Error($"<<< ProcessBlockProvider.ProcessBlocks >>>: Unable to verify signature for previous block on block {message.BlockGraph.Block.Round} from node {message.BlockGraph.Block.Node}");
return(null);
}
if (message.BlockGraph.Prev.Node != message.BlockGraph.Block.Node)
{
logger.Error($"<<< ProcessBlockProvider.ProcessBlocks >>>: Previous block node does not match on block {message.BlockGraph.Block.Round} from node {message.BlockGraph.Block.Node}");
return(null);
}
if (message.BlockGraph.Prev.Round + 1 != message.BlockGraph.Block.Round)
{
logger.Error($"<<< ProcessBlockProvider.ProcessBlocks >>>: Previous block round is invalid on block {message.BlockGraph.Block.Round} from node {message.BlockGraph.Block.Node}");
return(null);
}
}
for (int i = 0; i < message.BlockGraph.Deps.Count(); i++)
{
var dep = message.BlockGraph.Deps[i];
if (!await signingActorProvider.VerifiyBlockSignature(new VerifiyBlockSignatureMessage(dep.Block)))
{
logger.Error($"<<< ProcessBlockProvider.ProcessBlocks >>>: Unable to verify signature for block reference {message.BlockGraph.Block.Round} from node {message.BlockGraph.Block.Node}");
return(null);
}
if (dep.Block.Node == message.BlockGraph.Block.Node)
{
logger.Error($"<<< ProcessBlockProvider.ProcessBlocks >>>: Block references includes a block from same node in block reference {message.BlockGraph.Block.Round} from node {message.BlockGraph.Block.Node}");
return(null);
}
}
}
catch (Exception ex)
{
logger.Error($"<<< ProcessBlockProvider.ProcessBlocks >>>: {ex.ToString()}");
}
return(message.BlockGraph);
}
/// <summary>
///
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
public async Task <BlockGraphProto> ProcessBlock(BlockGraphMessage message)
{
return(await actor.Ask <BlockGraphProto>(message));
}
