Add remove_channel_info in Router

Author: Antoine Riard

src/ln/router.rs

@@ -624,6 +624,17 @@ impl Router {
 
 		Err(HandleError{err: "Failed to find a path to the given destination", action: None})
 	}
+
+	/// Drop entry from network map
+	pub fn remove_channel_info(&self, short_channel_id: u64, chain_hash: Sha256dHash) -> Result<bool, HandleError> {
+		let mut network = self.network_map.write().unwrap();
+
+		match network.channels.remove(&NetworkMap::get_key(short_channel_id, chain_hash)) {
+			Some(_c) => {},
+			None => return Err(HandleError{err: "Unable to find channel", action: Some(ErrorAction::IgnoreError)}),
+		}
+		Ok(true)
+	}
 }
 
 #[cfg(test)]