code: func (n *Node) Server() *p2p.Server {
  	n.lock.RLock()
  	defer n.lock.RUnlock()
  
  	return n.server
  }
docs: // Server retrieves the currently running P2P network layer. This method is meant
  // only to inspect fields of the currently running server, life cycle management
  // should be left to this Node entity.