code: func (n *ExecNode) NodeInfo() *p2p.NodeInfo {
  	info := &p2p.NodeInfo{
  		ID: n.ID.String(),
  	}
  	if n.client != nil {
  		n.client.Call(&info, "admin_nodeInfo")
  	}
  	return info
  }
docs: // NodeInfo returns information about the node