public override void HandleMessage(ZeroPacket message)
{
if (message.PacketType != LesMessageCode.Status && !_statusReceived)
{
throw new SubprotocolException($"No {nameof(StatusMessage)} received prior to communication with {Session.Node:c}.");
}
int size = message.Content.ReadableBytes;
switch (message.PacketType)
{
case LesMessageCode.Status:
StatusMessage statusMessage = Deserialize <StatusMessage>(message.Content);
if (NetworkDiagTracer.IsEnabled)
{
NetworkDiagTracer.ReportIncomingMessage(Session.Node.Address, Name, statusMessage.ToString());
}
Handle(statusMessage);
break;
case LesMessageCode.GetBlockHeaders:
GetBlockHeadersMessage getBlockHeadersMessage = Deserialize <GetBlockHeadersMessage>(message.Content);
if (NetworkDiagTracer.IsEnabled)
{
NetworkDiagTracer.ReportIncomingMessage(Session.Node.Address, Name, getBlockHeadersMessage.ToString());
}
Handle(getBlockHeadersMessage);
break;
case LesMessageCode.GetBlockBodies:
GetBlockBodiesMessage getBlockBodiesMessage = Deserialize <GetBlockBodiesMessage>(message.Content);
if (NetworkDiagTracer.IsEnabled)
{
NetworkDiagTracer.ReportIncomingMessage(Session.Node.Address, Name, getBlockBodiesMessage.ToString());
}
Handle(getBlockBodiesMessage);
break;
case LesMessageCode.GetReceipts:
GetReceiptsMessage getReceiptsMessage = Deserialize <GetReceiptsMessage>(message.Content);
if (NetworkDiagTracer.IsEnabled)
{
NetworkDiagTracer.ReportIncomingMessage(Session.Node.Address, Name, getReceiptsMessage.ToString());
}
Handle(getReceiptsMessage);
break;
case LesMessageCode.GetContractCodes:
GetContractCodesMessage getContractCodesMessage = Deserialize <GetContractCodesMessage>(message.Content);
if (NetworkDiagTracer.IsEnabled)
{
NetworkDiagTracer.ReportIncomingMessage(Session.Node.Address, Name, getContractCodesMessage.ToString());
}
Handle(getContractCodesMessage);
break;
case LesMessageCode.GetHelperTrieProofs:
GetHelperTrieProofsMessage getHelperTrieProofsMessage = Deserialize <GetHelperTrieProofsMessage>(message.Content);
if (NetworkDiagTracer.IsEnabled)
{
NetworkDiagTracer.ReportIncomingMessage(Session.Node.Address, Name, getHelperTrieProofsMessage.ToString());
}
Handle(getHelperTrieProofsMessage);
break;
}
}
public void Handle(StatusMessage status)
{
Metrics.LesStatusesReceived++;
// set defaults
if (!status.AnnounceType.HasValue)
{
status.AnnounceType = 1;
}
if (_statusReceived)
{
throw new SubprotocolException($"{nameof(StatusMessage)} has already been received in the past");
}
_statusReceived = true;
if (Logger.IsTrace)
{
Logger.Trace($"LES received status from {Session.Node:c} with" +
Environment.NewLine + $" prot version\t{status.ProtocolVersion}" +
Environment.NewLine + $" network ID\t{status.ChainId}," +
Environment.NewLine + $" genesis hash\t{status.GenesisHash}," +
Environment.NewLine + $" best hash\t{status.BestHash}," +
Environment.NewLine + $" head blockno\t{status.HeadBlockNo}," +
Environment.NewLine + $" difficulty\t{status.TotalDifficulty}" +
Environment.NewLine + $" announce type\t{status.AnnounceType}" +
Environment.NewLine + $" serve headers\t{status.ServeHeaders}" +
Environment.NewLine + $" serve chain since\t{status.ServeChainSince}" +
Environment.NewLine + $" serve recent chain\t{status.ServeRecentChain}" +
Environment.NewLine + $" serve state since\t{status.ServeStateSince}" +
Environment.NewLine + $" serve recent state\t{status.ServeRecentState}" +
Environment.NewLine + $" transaction relay\t{status.TxRelay}" +
Environment.NewLine + $" buffer limit\t{status.BufferLimit}" +
Environment.NewLine + $" max recharge\t{status.MaximumRechargeRate}");
}
// todo - log max request costs table
_remoteHeadBlockHash = status.BestHash;
ReceivedProtocolInitMsg(status);
LesProtocolInitializedEventArgs eventArgs = new LesProtocolInitializedEventArgs(this)
{
Protocol = status.Protocol,
ProtocolVersion = status.ProtocolVersion,
ChainId = (long)status.ChainId, // todo should these really be different data types?
TotalDifficulty = status.TotalDifficulty,
BestHash = status.BestHash,
HeadBlockNo = status.HeadBlockNo,
GenesisHash = status.GenesisHash,
AnnounceType = status.AnnounceType.Value,
ServeHeaders = status.ServeHeaders,
ServeChainSince = status.ServeChainSince,
ServeRecentChain = status.ServeRecentChain,
ServeStateSince = status.ServeStateSince,
ServeRecentState = status.ServeRecentState,
TxRelay = status.TxRelay,
BufferLimit = status.BufferLimit,
MaximumRechargeRate = status.MaximumRechargeRate,
MaximumRequestCosts = status.MaximumRequestCosts
};
if (status.BestHash == new Keccak("0x828f6e9967f75742364c7ab5efd6e64428e60ad38e218789aaf108fbd0232973"))
{
InitiateDisconnect(DisconnectReason.UselessPeer, "One of the Rinkeby nodes stuck at Constantinople transition");
}
TotalDifficulty = status.TotalDifficulty;
RequestedAnnounceType = status.AnnounceType.Value;
ProtocolInitialized?.Invoke(this, eventArgs);
}