Throw error for RGS data that's more than two weeks old, fixing #1785

[rust-lightning] / lightning-rapid-gossip-sync / src / lib.rs

diff --git a/lightning-rapid-gossip-sync/src/lib.rs b/lightning-rapid-gossip-sync/src/lib.rs
index 06ce7eb2075574df38c2b9cbf44813235e1fba1c..ff0e481b39711cdb41166f2627d23d322838064a 100644 (file)
--- a/lightning-rapid-gossip-sync/src/lib.rs
+++ b/lightning-rapid-gossip-sync/src/lib.rs
@@ -126,14 +126,22 @@ impl<NG: Deref<Target=NetworkGraph<L>>, L: Deref> RapidGossipSync<NG, L> where L
        /// Update network graph from binary data.
        /// Returns the last sync timestamp to be used the next time rapid sync data is queried.
        ///
-       /// `network_graph`: network graph to be updated
-       ///
        /// `update_data`: `&[u8]` binary stream that comprises the update data
        pub fn update_network_graph(&self, update_data: &[u8]) -> Result<u32, GraphSyncError> {
                let mut read_cursor = io::Cursor::new(update_data);
                self.update_network_graph_from_byte_stream(&mut read_cursor)
        }
 
+       /// Update network graph from binary data.
+       /// Returns the last sync timestamp to be used the next time rapid sync data is queried.
+       ///
+       /// `update_data`: `&[u8]` binary stream that comprises the update data
+       /// `current_time_unix`: `Option<u64>` optional current timestamp to verify data age
+       pub fn update_network_graph_no_std(&self, update_data: &[u8], current_time_unix: Option<u64>) -> Result<u32, GraphSyncError> {
+               let mut read_cursor = io::Cursor::new(update_data);
+               self.update_network_graph_from_byte_stream_no_std(&mut read_cursor, current_time_unix)
+       }
+
        /// Gets a reference to the underlying [`NetworkGraph`] which was provided in
        /// [`RapidGossipSync::new`].
        ///