print path to pk when fails to find

ChainSafe · Dec 4, 2023 · 9e972d4 · 9e972d4
1 parent 9cffb75
commit 9e972d4
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lightclient-circuits/src/util/circuit.rs b/lightclient-circuits/src/util/circuit.rs
@@ -294,5 +294,6 @@ where
     C: Circuit<Fr>,
     P: AsRef<Path>,
 {
-    read_pk::<C>(fname.as_ref(), c.params()).expect("proving key should exist")
+    read_pk::<C>(fname.as_ref(), c.params())
+        .expect(format!("proving key: {:?} should exist", fname.as_ref().to_str()).as_str())
 }