Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

eth: don't wait for snap registration if we're not running snap #22272

Merged
merged 3 commits into from
Feb 5, 2021
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 2 additions & 2 deletions eth/peerset.go
Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,7 @@ func newPeerSet() *peerSet {
func (ps *peerSet) registerSnapExtension(peer *snap.Peer) error {
// Reject the peer if it advertises `snap` without `eth` as `snap` is only a
// satellite protocol meaningful with the chain selection of `eth`
if !peer.SupportsCap(eth.ProtocolName, eth.ProtocolVersions) {
if !peer.RunningCap(eth.ProtocolName, eth.ProtocolVersions) {
return errSnapWithoutEth
}
// Ensure nobody can double connect
Expand Down Expand Up @@ -101,7 +101,7 @@ func (ps *peerSet) registerSnapExtension(peer *snap.Peer) error {
// by the peerset.
func (ps *peerSet) waitSnapExtension(peer *eth.Peer) (*snap.Peer, error) {
// If the peer does not support a compatible `snap`, don't wait
if !peer.SupportsCap(snap.ProtocolName, snap.ProtocolVersions) {
if !peer.RunningCap(snap.ProtocolName, snap.ProtocolVersions) {
return nil, nil
}
// Ensure nobody can double connect
Expand Down
17 changes: 8 additions & 9 deletions p2p/peer.go
Original file line number Diff line number Diff line change
Expand Up @@ -158,15 +158,14 @@ func (p *Peer) Caps() []Cap {
return p.rw.caps
}

// SupportsCap returns true if the peer supports any of the enumerated versions
// of a specific protocol.
func (p *Peer) SupportsCap(protocol string, versions []uint) bool {
for _, cap := range p.rw.caps {
if cap.Name == protocol {
for _, ver := range versions {
if cap.Version == ver {
return true
}
// RunningCap returns true if the peer is actively connected using any of the
// enumerated versions of a specific protocol, meaning that at least one of the
// versions is supported by both this node and the peer p.
func (p *Peer) RunningCap(protocol string, versions []uint) bool {
if proto, ok := p.running[protocol]; ok {
for _, ver := range versions {
if proto.Version == ver {
return true
}
}
}
Expand Down