Add local CAS pin metadata

crates/geth/tests/bootstrap.rs

@@ -122,6 +122,52 @@ fn initialized_node_can_roundtrip_cas_blob() {
     );
 }
 
+#[test]
+fn cas_pin_unpin_updates_local_pin_metadata() {
+    let home = tempfile::tempdir().expect("tempdir");
+    let paths = geth_config::GethPaths::from_home(home.path());
+    let node = geth_node::init_node(&paths).expect("init node");
+    let blob_path = home.path().join("blob.txt");
+    std::fs::write(&blob_path, b"pinned bytes").expect("write blob");
+
+    let response = geth_node::handle_request(
+        &node,
+        geth_control::ControlRequest::CasAdd { path: blob_path },
+    )
+    .expect("add cas blob");
+    let hash = match response {
+        geth_control::ControlResponse::CasAdded { hash, .. } => hash,
+        other => panic!("unexpected response: {other:?}"),
+    };
+
+    geth_node::handle_request(
+        &node,
+        geth_control::ControlRequest::CasPin { hash: hash.clone() },
+    )
+    .expect("pin blob");
+    let response = geth_node::handle_request(&node, geth_control::ControlRequest::CasList)
+        .expect("list blobs");
+    match response {
+        geth_control::ControlResponse::CasList { blobs } => {
+            assert_eq!(blobs.len(), 1);
+            assert!(blobs[0].pinned);
+        }
+        other => panic!("unexpected response: {other:?}"),
+    }
+
+    geth_node::handle_request(&node, geth_control::ControlRequest::CasUnpin { hash })
+        .expect("unpin blob");
+    let response = geth_node::handle_request(&node, geth_control::ControlRequest::CasList)
+        .expect("list blobs");
+    match response {
+        geth_control::ControlResponse::CasList { blobs } => {
+            assert_eq!(blobs.len(), 1);
+            assert!(!blobs[0].pinned);
+        }
+        other => panic!("unexpected response: {other:?}"),
+    }
+}
+
 #[test]
 fn auth_explain_distinguishes_discovered_peer_candidates() {
     let home = tempfile::tempdir().expect("tempdir");