code: func (g *gossipServiceImpl) SelfChannelInfo(chain common.ChainID) *proto.SignedGossipMessage {
  	ch := g.chanState.getGossipChannelByChainID(chain)
  	if ch == nil {
  		return nil
  	}
  	return ch.Self()
  }
docs: // SelfChannelInfo returns the peer's latest StateInfo message of a given channel