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Disable gossip for peers running old version (#2245)

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This commit is contained in:
Arkadiy Paronyan
2019-04-15 12:18:08 +02:00
committed by Robert Habermeier
parent 2fad6d80da
commit e30b362193
2 changed files with 26 additions and 17 deletions
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substrate/core/network/src/protocol.rs
+20 -14
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@@ -50,9 +50,9 @@ const PROPAGATE_TIMEOUT: time::Duration = time::Duration::from_millis(2900);
const STATUS_INTERVAL: time::Duration = time::Duration::from_millis(5000);
/// Current protocol version.
pub(crate) const CURRENT_VERSION: u32 = 2;
pub(crate) const CURRENT_VERSION: u32 = 3;
/// Lowest version we support
const MIN_VERSION: u32 = 2;
pub(crate) const MIN_VERSION: u32 = 2;
// Maximum allowed entries in `BlockResponse`
const MAX_BLOCK_DATA_RESPONSE: u32 = 128;
@@ -505,11 +505,13 @@ impl<B: BlockT, S: NetworkSpecialization<B>, H: ExHashT> Protocol<B, S, H> {
GenericMessage::RemoteChangesRequest(request) => self.on_remote_changes_request(who, request),
GenericMessage::RemoteChangesResponse(response) => self.on_remote_changes_response(who, response),
GenericMessage::Consensus(msg) => {
self.consensus_gossip.on_incoming(
&mut ProtocolContext::new(&mut self.context_data, &self.network_chan),
who,
msg,
);
if self.context_data.peers.get(&who).map_or(false, |peer| peer.info.protocol_version > 2) {
self.consensus_gossip.on_incoming(
&mut ProtocolContext::new(&mut self.context_data, &self.network_chan),
who,
msg,
);
}
}
other => self.specialization.on_message(
&mut ProtocolContext::new(&mut self.context_data, &self.network_chan),
@@ -561,11 +563,13 @@ impl<B: BlockT, S: NetworkSpecialization<B>, H: ExHashT> Protocol<B, S, H> {
let removed = {
self.handshaking_peers.remove(&peer);
self.connected_peers.write().remove(&peer);
self.context_data.peers.remove(&peer).is_some()
self.context_data.peers.remove(&peer)
};
if removed {
if let Some(peer_data) = removed {
let mut context = ProtocolContext::new(&mut self.context_data, &self.network_chan);
self.consensus_gossip.peer_disconnected(&mut context, peer.clone());
if peer_data.info.protocol_version > 2 {
self.consensus_gossip.peer_disconnected(&mut context, peer.clone());
}
self.sync.peer_disconnected(&mut context, peer.clone());
self.specialization.on_disconnect(&mut context, peer.clone());
self.on_demand.as_ref().map(|s| s.on_disconnect(peer));
@@ -721,7 +725,7 @@ impl<B: BlockT, S: NetworkSpecialization<B>, H: ExHashT> Protocol<B, S, H> {
/// Called by peer to report status
fn on_status_message(&mut self, who: PeerId, status: message::Status<B>) {
trace!(target: "sync", "New peer {} {:?}", who, status);
{
let protocol_version = {
if self.context_data.peers.contains_key(&who) {
debug!("Unexpected status packet from {}", who);
return;
@@ -801,15 +805,17 @@ impl<B: BlockT, S: NetworkSpecialization<B>, H: ExHashT> Protocol<B, S, H> {
self.context_data.peers.insert(who.clone(), peer);
debug!(target: "sync", "Connected {}", who);
}
status.version
};
let mut context = ProtocolContext::new(&mut self.context_data, &self.network_chan);
self.on_demand
.as_ref()
.map(|s| s.on_connect(who.clone(), status.roles, status.best_number));
self.sync.new_peer(&mut context, who.clone());
self.consensus_gossip
.new_peer(&mut context, who.clone(), status.roles);
if protocol_version > 2 {
self.consensus_gossip.new_peer(&mut context, who.clone(), status.roles);
}
self.specialization.on_connect(&mut context, who, status);
}