chore: add declare_tx fixture to compilation tests

crates/gateway/src/compilation_test.rs

@@ -1,7 +1,7 @@
 use assert_matches::assert_matches;
 use blockifier::execution::contract_class::ContractClass;
 use cairo_lang_starknet_classes::allowed_libfuncs::AllowedLibfuncsError;
-use mempool_test_utils::starknet_api_test_utils::declare_tx;
+use mempool_test_utils::starknet_api_test_utils::declare_tx as rpc_declare_tx;
 use rstest::{fixture, rstest};
 use starknet_api::core::CompiledClassHash;
 use starknet_api::rpc_transaction::{RpcDeclareTransaction, RpcTransaction};
@@ -15,13 +15,21 @@ fn gateway_compiler() -> GatewayCompiler {
     GatewayCompiler { config: Default::default() }
 }
 
+#[fixture]
+fn declare_tx() -> RpcDeclareTransaction {
+    assert_matches!(
+        rpc_declare_tx(),
+        RpcTransaction::Declare(declare_tx) => declare_tx
+    )
+}
+
 // TODO(Arni): Redesign this test once the compiler is passed with dependancy injection.
 #[rstest]
-fn test_compile_contract_class_compiled_class_hash_mismatch(gateway_compiler: GatewayCompiler) {
-    let mut tx = assert_matches!(
-        declare_tx(),
-        RpcTransaction::Declare(RpcDeclareTransaction::V3(tx)) => tx
-    );
+fn test_compile_contract_class_compiled_class_hash_mismatch(
+    gateway_compiler: GatewayCompiler,
+    declare_tx: RpcDeclareTransaction,
+) {
+    let RpcDeclareTransaction::V3(mut tx) = declare_tx;
     let expected_hash = tx.compiled_class_hash;
     let wrong_supplied_hash = CompiledClassHash::default();
     tx.compiled_class_hash = wrong_supplied_hash;
@@ -36,11 +44,11 @@ fn test_compile_contract_class_compiled_class_hash_mismatch(gateway_compiler: Ga
 }
 
 #[rstest]
-fn test_compile_contract_class_bad_sierra(gateway_compiler: GatewayCompiler) {
-    let mut tx = assert_matches!(
-        declare_tx(),
-        RpcTransaction::Declare(RpcDeclareTransaction::V3(tx)) => tx
-    );
+fn test_compile_contract_class_bad_sierra(
+    gateway_compiler: GatewayCompiler,
+    declare_tx: RpcDeclareTransaction,
+) {
+    let RpcDeclareTransaction::V3(mut tx) = declare_tx;
     // Truncate the sierra program to trigger an error.
     tx.contract_class.sierra_program = tx.contract_class.sierra_program[..100].to_vec();
     let declare_tx = RpcDeclareTransaction::V3(tx);
@@ -55,11 +63,10 @@ fn test_compile_contract_class_bad_sierra(gateway_compiler: GatewayCompiler) {
 }
 
 #[rstest]
-fn test_process_declare_tx_success(gateway_compiler: GatewayCompiler) {
-    let declare_tx = assert_matches!(
-        declare_tx(),
-        RpcTransaction::Declare(declare_tx) => declare_tx
-    );
+fn test_process_declare_tx_success(
+    gateway_compiler: GatewayCompiler,
+    declare_tx: RpcDeclareTransaction,
+) {
     let RpcDeclareTransaction::V3(declare_tx_v3) = &declare_tx;
     let contract_class = &declare_tx_v3.contract_class;