fix(fixtures): remove unused properties

src/ethereum_test_fixtures/base.py

@@ -23,8 +23,6 @@ class BaseFixture(CamelModel):
     output_file_extension: ClassVar[str] = ".json"
     description: ClassVar[str] = "Unknown fixture format; it has not been set."
 
-    is_verifiable: ClassVar[bool] = False
-
     @classmethod
     def output_base_dir_name(cls) -> str:
         """

src/ethereum_test_fixtures/blockchain.py

@@ -481,8 +481,6 @@ class FixtureCommon(BaseFixture):
     Base blockchain test fixture model.
     """
 
-    is_verifiable: ClassVar[bool] = True
-
     fork: str = Field(..., alias="network")
     genesis: FixtureHeader = Field(..., alias="genesisBlockHeader")
     pre: Alloc

src/ethereum_test_fixtures/collector.py

@@ -172,7 +172,7 @@ def verify_fixture_files(self, evm_fixture_verification: FixtureVerifier) -> Non
         """
         for fixture_path, name_fixture_dict in self.all_fixtures.items():
             for fixture_name, fixture in name_fixture_dict.items():
-                if fixture.is_verifiable:
+                if evm_fixture_verification.is_verifiable(fixture.__class__):
                     info = self.json_path_to_test_item[fixture_path]
                     verify_fixtures_dump_dir = self._get_verify_fixtures_dump_dir(info)
                     evm_fixture_verification.verify_fixture(

src/ethereum_test_fixtures/state.py

@@ -110,8 +110,6 @@ class Fixture(BaseFixture):
     fixture_format_name: ClassVar[str] = "state_test"
     description: ClassVar[str] = "Tests that generate a state test fixture."
 
-    is_verifiable: ClassVar[bool] = True
-
     env: FixtureEnvironment
     pre: Alloc
     transaction: FixtureTransaction

src/ethereum_test_fixtures/verify.py

@@ -13,6 +13,15 @@ class FixtureVerifier(ABC):
     Abstract class for verifying Ethereum test fixtures.
     """
 
+    def is_verifiable(
+        self,
+        fixture_format: FixtureFormat,
+    ) -> bool:
+        """
+        Returns whether the fixture format is verifiable by this verifier.
+        """
+        return False
+
     @abstractmethod
     def verify_fixture(
         self,

src/evm_transition_tool/geth.py

@@ -68,6 +68,15 @@ def get_blocktest_help(self) -> str:
             raise Exception(f"Unexpected exception calling evm tool: {e}.")
         return result.stdout
 
+    def is_verifiable(
+        self,
+        fixture_format: FixtureFormat,
+    ) -> bool:
+        """
+        Returns whether the fixture format is verifiable by this Geth's evm tool.
+        """
+        return fixture_format in {StateFixture, BlockchainFixture}
+
     def verify_fixture(
         self,
         fixture_format: FixtureFormat,