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p2p/protocols: handle possible nil Peer in HasCap

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This commit is contained in:
Janos Guljas 2019-01-22 12:40:15 +01:00
parent 425acb3016
commit 653cfcb8e6
1 changed files with 3 additions and 0 deletions
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3
p2p/protocols/protocol.go
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@ -427,6 +427,9 @@ func (p *Peer) Handshake(ctx context.Context, hs interface{}, verify func(interf
// HasCap returns true fi Peer has a capability // HasCap returns true fi Peer has a capability
// with provided name. // with provided name.
func (p *Peer) HasCap(capName string) (yes bool) { func (p *Peer) HasCap(capName string) (yes bool) {
if p == nil || p.Peer == nil {
return false
}
for _, c := range p.Caps() { for _, c := range p.Caps() {
if c.Name == capName { if c.Name == capName {
return true return true