code: func (s *DiscoverySupport) PeersOfChannel(chain common.ChainID) discovery.Members {
  	msg := s.SelfChannelInfo(chain)
  	if msg == nil {
  		return nil
  	}
  	stateInf := msg.GetStateInfo()
  	selfMember := discovery.NetworkMember{
  		Properties: stateInf.Properties,
  		PKIid:      stateInf.PkiId,
  		Envelope:   msg.Envelope,
  	}
  	return append(s.Gossip.PeersOfChannel(chain), selfMember)
  }
docs: // PeersOfChannel returns the NetworkMembers considered alive
  // and also subscribed to the channel given