feat(fw): Add is_state_test flag to Environment

docs/CHANGELOG.md

@@ -55,6 +55,8 @@ Test fixtures for use by clients are available for each release on the [Github r
 
 ### 🔧 EVM Tools
 
+- 🔀 `Environment` class passed to the transition tool (t8n) now contains field `isStateTest` which shall inhibit block-level processes, such as system-level operations, mining rewards, and withdrawals ([#652](https://github.com/ethereum/execution-spec-tests/pull/652)).
+
 ### 📋 Misc
 
 - 🐞 Fix CI by using Golang 1.21 in Github Actions to build geth ([#484](https://github.com/ethereum/execution-spec-tests/pull/484)).

src/ethereum_test_specs/state.py

@@ -118,6 +118,7 @@ def make_state_test_fixture(
         fork = fork.fork_at(self.env.number, self.env.timestamp)
 
         env = self.env.set_fork_requirements(fork)
+        env.is_state_test = True
         tx = self.tx.with_signature_and_sender(keep_secret_key=True)
         pre_alloc = Alloc.merge(
             Alloc.model_validate(fork.pre_allocation()),

src/ethereum_test_types/tests/test_types.py

@@ -520,6 +520,7 @@ def test_account_merge(
                 "parentUncleHash": (
                     "0x0000000000000000000000000000000000000000000000000000000000000000"
                 ),
+                "isStateTest": False,
             },
             id="environment_1",
         ),
@@ -577,6 +578,7 @@ def test_account_merge(
                 },
                 "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000004",
                 "ommers": [],
+                "isStateTest": False,
             },
             id="environment_2",
         ),

src/ethereum_test_types/types.py

@@ -468,6 +468,8 @@ class Environment(EnvironmentGeneric[Number]):
     withdrawals: List[Withdrawal] | None = Field(None)
     extra_data: Bytes = Field(Bytes(b"\x00"), exclude=True)
 
+    is_state_test: bool = Field(False)
+
     @computed_field  # type: ignore[misc]
     @cached_property
     def parent_hash(self) -> Hash | None: