Refuse recursive read locks in lockorder testing

[rust-lightning] / lightning / src / routing / utxo.rs

diff --git a/lightning/src/routing/utxo.rs b/lightning/src/routing/utxo.rs
index 0e5bd8d64f78a48a9ec5b808aa200a022167edb6..09e110c2dfeb853c7d10caee35032c3340b258a7 100644 (file)
--- a/lightning/src/routing/utxo.rs
+++ b/lightning/src/routing/utxo.rs
@@ -745,10 +745,11 @@ mod tests {
                        Ok(TxOut { value: 1_000_000, script_pubkey: good_script }));
 
                assert_eq!(chan_update_a.contents.timestamp, chan_update_b.contents.timestamp);
-               assert!(network_graph.read_only().channels()
+               let graph_lock = network_graph.read_only();
+               assert!(graph_lock.channels()
                                .get(&valid_announcement.contents.short_channel_id).as_ref().unwrap()
                                .one_to_two.as_ref().unwrap().last_update !=
-                       network_graph.read_only().channels()
+                       graph_lock.channels()
                                .get(&valid_announcement.contents.short_channel_id).as_ref().unwrap()
                                .two_to_one.as_ref().unwrap().last_update);
        }