feat: implement GetCBOR local state query (#413)

examples/n2c-miniprotocols/src/main.rs

@@ -68,6 +68,13 @@ async fn do_localstate_query(client: &mut NodeClient) {
     let result = queries_v16::get_genesis_config(client, era).await.unwrap();
     println!("result: {:?}", result);
 
+    // Ensure decoding across version disparities by always receiving a valid
+    // response using the wrap function for the query result with CBOR-in-CBOR
+    // concept.
+    let query = queries_v16::BlockQuery::GetCurrentPParams;
+    let result = queries_v16::get_cbor(client, era, query).await.unwrap();
+    println!("result: {:?}", result);
+
     client.send_release().await.unwrap();
 }