code: func (g *gossipServiceImpl) PeersOfChannel(channel common.ChainID) []discovery.NetworkMember {
  	gc := g.chanState.getGossipChannelByChainID(channel)
  	if gc == nil {
  		g.logger.Debug("No such channel", channel)
  		return nil
  	}
  
  	return gc.GetPeers()
  }
docs: // PeersOfChannel returns the NetworkMembers considered alive
  // and also subscribed to the channel given