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authorAnton Evangelatov <anton.evangelatov@gmail.com>2019-01-24 19:02:18 +0800
committerRafael Matias <rafael@skyle.net>2019-02-19 19:56:30 +0800
commit4976fcc91a43b5c7047c51a03985887b694f0fbb (patch)
treec2aef8ce616498f44d38a6a830c211112e0a6d71 /p2p
parent878aa58ec66ffc541a80aa65ee35261efa086c9c (diff)
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swarm: bootnode-mode, new bootnodes and no p2p package discovery (#18498)
(cherry picked from commit bbd120354a8d226b446591eeda9f9462cb9b690a)
Diffstat (limited to 'p2p')
-rw-r--r--p2p/protocols/protocol.go14
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
+}