fn handle_node_announcement(&self, msg: &msgs::NodeAnnouncement) -> Result<bool, LightningError> {
self.network_graph.write().unwrap().update_node_from_announcement(msg, &self.secp_ctx)?;
Ok(msg.contents.excess_data.len() <= MAX_EXCESS_BYTES_FOR_RELAY &&
fn handle_node_announcement(&self, msg: &msgs::NodeAnnouncement) -> Result<bool, LightningError> {
self.network_graph.write().unwrap().update_node_from_announcement(msg, &self.secp_ctx)?;
Ok(msg.contents.excess_data.len() <= MAX_EXCESS_BYTES_FOR_RELAY &&