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| author | Péter Szilágyi <peterke@gmail.com> | 2019-02-20 16:48:12 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-02-20 16:48:12 +0800 |
| commit | c942700427557e3ff6de3aaf6b916e2f056c1ec2 (patch) | |
| tree | cadf68e7206d6de42b1eefc6967214cf86e35ff2 /p2p/protocols/protocol.go | |
| parent | 7fa3509e2eaf1a4ebc12344590e5699406690f15 (diff) | |
| parent | cde35439e058b4f9579830fec9fb65ae0b998346 (diff) | |
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Merge pull request #19029 from holiman/update1.8v1.8.23
Update1.8
Diffstat (limited to 'p2p/protocols/protocol.go')
| -rw-r--r-- | p2p/protocols/protocol.go | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/p2p/protocols/protocol.go b/p2p/protocols/protocol.go index b16720dd3..bf879b985 100644 --- a/p2p/protocols/protocol.go +++ b/p2p/protocols/protocol.go @@ -423,3 +423,17 @@ func (p *Peer) Handshake(ctx context.Context, hs interface{}, verify func(interf } return rhs, nil } + +// HasCap returns true if Peer has a capability +// with provided name. +func (p *Peer) HasCap(capName string) (yes bool) { + if p == nil || p.Peer == nil { + return false + } + for _, c := range p.Caps() { + if c.Name == capName { + return true + } + } + return false +} |