public void HintBlock(Keccak hash, long number, Node node)
{
if (!_pool.TryFind(node.Id, out PeerInfo peerInfo))
{
if (_logger.IsDebug)
{
_logger.Debug($"Received a block hint from an unknown {node:c}, ignoring");
}
return;
}
if (number > _blockTree.BestKnownNumber + 8)
{
return;
}
if (number > peerInfo.HeadNumber)
{
if (_logger.IsTrace)
{
_logger.Trace($"HINT Updating header of {peerInfo} from {peerInfo.HeadNumber} {peerInfo.TotalDifficulty} to {number}");
}
peerInfo.HeadNumber = number;
peerInfo.HeadHash = hash;
lock (_recentlySuggested)
{
if (_recentlySuggested.Get(hash) != null)
{
return;
}
/* do not add as this is a hint only */
}
if (!_blockTree.IsKnownBlock(number, hash))
{
_pool.RefreshTotalDifficulty(peerInfo, hash);
_synchronizer.RequestSynchronization(SyncTriggerType.NewNearBlock);
}
}
}