fix: cairo0 issue resolved

Author: Mohiiit

crates/rpc-client/src/state_reader/mod.rs

@@ -303,13 +303,11 @@ impl StateReader for AsyncRpcStateReader {
 
     fn get_compiled_class_hash_v2(
         &self,
-        _class_hash: ClassHash,
+        class_hash: ClassHash,
         compiled_class: &RunnableCompiledClass,
     ) -> StateResult<CompiledClassHash> {
         match compiled_class {
-            RunnableCompiledClass::V0(_) => {
-                Err(StateError::StateReadError("Cairo0 classes should not have compiled class hash v2".to_string()))
-            }
+            RunnableCompiledClass::V0(_) => Ok(CompiledClassHash(class_hash.0)),
             RunnableCompiledClass::V1(compiled_class_v1) => Ok(compiled_class_v1.hash(&HashVersion::V2)),
         }
     }

e2e-tests/tests/e2e/mod.rs

@@ -57,6 +57,7 @@ fn get_rpc_url(chain: &str) -> String {
 // sepolia blocks (0.14.1)
 #[case("sepolia", vec![2934726])] // first 0.14.1 block
 #[case("sepolia", vec![2934727])] // empty block, second block of 0.14.1
+#[case("sepolia", vec![2935507])] // uses cairo0 class
 #[case("sepolia", vec![3023829])] // has declare txn
 #[case("sepolia", vec![3028228])] // deploy account ready multisig
 #[case("sepolia", vec![3028244])] // deploy account ready simple