code: func (c *Client) GetAddedNodeInfo(peer string) ([]btcjson.GetAddedNodeInfoResult, error) {
  	return c.GetAddedNodeInfoAsync(peer).Receive()
  }
docs: // GetAddedNodeInfo returns information about manually added (persistent) peers.
  //
  // See GetAddedNodeInfoNoDNS to retrieve only a list of the added (persistent)
  // peers.