Add test for jf / contract types conversions

contracts/rust/adapter/Cargo.toml

@@ -27,6 +27,9 @@ num-bigint = { version = "0.4", default-features = false }
 num-traits = { version = "0.2", default-features = false }
 serde = { workspace = true }
 
+[dev-dependencies]
+rand = { workspace = true }
+
 [[bin]]
 name = "eval-domain"
 path = "src/bin/eval_domain.rs"

contracts/rust/adapter/src/stake_table.rs

@@ -106,7 +106,7 @@ where
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
 pub struct NodeInfoJf {
     pub stake_table_key: BLSPubKey,
     pub state_ver_key: StateVerKey,
@@ -189,3 +189,37 @@ impl From<PeerConfigKeys<BLSPubKey>> for NodeInfoJf {
         }
     }
 }
+
+#[cfg(test)]
+mod test {
+    use hotshot_types::{light_client::StateKeyPair, traits::signature_key::BuilderSignatureKey};
+    use rand::{Rng, RngCore};
+
+    use super::*;
+
+    impl NodeInfoJf {
+        fn random() -> Self {
+            let mut seed = [0u8; 32];
+            let mut rng = rand::thread_rng();
+            rng.fill_bytes(&mut seed);
+
+            let (stake_table_key, _) = BLSPubKey::generated_from_seed_indexed(seed, 0);
+            let state_key_pair = StateKeyPair::generate_from_seed_indexed(seed, 0);
+            Self {
+                stake_table_key,
+                state_ver_key: state_key_pair.ver_key(),
+                da: rng.gen(),
+            }
+        }
+    }
+
+    #[test]
+    fn test_node_info_round_trip() {
+        for _ in 0..20 {
+            let jf = NodeInfoJf::random();
+            let sol: NodeInfo = jf.clone().into();
+            let jf2: NodeInfoJf = sol.into();
+            assert_eq!(jf2, jf);
+        }
+    }
+}