}
let chain_hash: BlockHash = Readable::read(read_cursor)?;
+ let ng_genesis_hash = self.network_graph.get_genesis_hash();
+ if chain_hash != ng_genesis_hash {
+ return Err(
+ LightningError {
+ err: "Rapid Gossip Sync data's chain hash does not match the network graph's".to_owned(),
+ action: ErrorAction::IgnoreError,
+ }.into()
+ );
+ }
+
let latest_seen_timestamp: u32 = Readable::read(read_cursor)?;
if let Some(time) = current_time_unix {
panic!("Unexpected update result: {:?}", update_result)
}
}
+
+ #[test]
+ fn fails_early_on_chain_hash_mismatch() {
+ let logger = TestLogger::new();
+ // Set to testnet so that the VALID_RGS_BINARY chain hash of mainnet does not match.
+ let network_graph = NetworkGraph::new(Network::Testnet, &logger);
+
+ assert_eq!(network_graph.read_only().channels().len(), 0);
+
+ let rapid_sync = RapidGossipSync::new(&network_graph, &logger);
+ let update_result = rapid_sync.update_network_graph_no_std(&VALID_RGS_BINARY, Some(0));
+ assert!(update_result.is_err());
+ if let Err(GraphSyncError::LightningError(err)) = update_result {
+ assert_eq!(err.err, "Rapid Gossip Sync data's chain hash does not match the network graph's");
+ } else {
+ panic!("Unexpected update result: {:?}", update_result)
+ }
+ }
}