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Don't accept incoming connections for collators (#2644)

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* Don't accept incoming connections for collators

on the `Collation` peer set.

* Better docs.
This commit is contained in:
Robert Klotzner
2021-03-19 08:20:38 +01:00
committed by GitHub
parent 15ae5dd410
commit 59640a38bc
3 changed files with 31 additions and 7 deletions
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polkadot/node/network/protocol/src/peer_set.rs
+21 -5
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@@ -30,12 +30,23 @@ pub enum PeerSet {
Collation,
}
/// Whether or not a node is an authority or not.
///
/// Peer set configuration gets adjusted accordingly.
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub enum IsAuthority {
/// Node is authority.
Yes,
/// Node is not an authority.
No,
}
impl PeerSet {
/// Get `sc_network` peer set configurations for each peerset.
///
/// Those should be used in the network configuration to register the protocols with the
/// network service.
pub fn get_info(self) -> NonDefaultSetConfig {
pub fn get_info(self, is_authority: IsAuthority) -> NonDefaultSetConfig {
let protocol = self.into_protocol_name();
// TODO: lower this limit after https://github.com/paritytech/polkadot/issues/2283 is
// done and collations use request-response protocols
@@ -56,10 +67,15 @@ impl PeerSet {
notifications_protocol: protocol,
max_notification_size,
set_config: SetConfig {
in_peers: 25,
// Non-authority nodes don't need to accept incoming connections on this peer set:
in_peers: if is_authority == IsAuthority::Yes { 25 } else { 0 },
out_peers: 0,
reserved_nodes: Vec::new(),
non_reserved_mode: sc_network::config::NonReservedPeerMode::Accept,
non_reserved_mode: if is_authority == IsAuthority::Yes {
sc_network::config::NonReservedPeerMode::Accept
} else {
sc_network::config::NonReservedPeerMode::Deny
}
},
},
}
@@ -118,6 +134,6 @@ impl<T> IndexMut<PeerSet> for PerPeerSet<T> {
///
/// Should be used during network configuration (added to [`NetworkConfiguration::extra_sets`])
/// or shortly after startup to register the protocols with the network service.
pub fn peer_sets_info() -> Vec<sc_network::config::NonDefaultSetConfig> {
PeerSet::iter().map(PeerSet::get_info).collect()
pub fn peer_sets_info(is_authority: IsAuthority) -> Vec<sc_network::config::NonDefaultSetConfig> {
PeerSet::iter().map(|s| s.get_info(is_authority)).collect()
}