fix: issue with memory

.pre-commit-config.yaml

@@ -10,18 +10,18 @@ repos:
       - id: isort
 
 -   repo: https://github.com/psf/black
-    rev: 22.6.0
+    rev: 22.10.0
     hooks:
       - id: black
         name: black
 
 -   repo: https://gitlab.com/pycqa/flake8
-    rev: 4.0.1
+    rev: 5.0.4
     hooks:
     -   id: flake8
 
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.971
+    rev: v0.982
     hooks:
     -   id: mypy
         additional_dependencies: [types-PyYAML, types-requests]

evm_trace/base.py

@@ -16,7 +16,7 @@ class TraceFrame(BaseModel):
     gas_cost: int = Field(alias="gasCost")
     depth: int
     stack: List[HexBytes]
-    memory: List[HexBytes]
+    memory: List[HexBytes] = []
     storage: Dict[HexBytes, HexBytes] = {}
 
 

setup.py

@@ -11,9 +11,9 @@
         "eth-hash[pysha3]",  # For eth-utils address checksumming
     ],
     "lint": [
-        "black>=22.6.0",  # auto-formatter and linter
-        "mypy>=0.971",  # Static type analyzer
-        "flake8>=4.0.1",  # Style linter
+        "black>=22.10.0",  # auto-formatter and linter
+        "mypy>=0.982",  # Static type analyzer
+        "flake8>=5.0.4",  # Style linter
         "isort>=5.10.1",  # Import sorting linter
     ],
     "release": [  # `release` GitHub Action job uses this

tests/test_trace_frame.py

@@ -9,6 +9,11 @@ def test_trace_frame_validation_passes(trace_frame_data):
     assert frame
 
 
+def test_trace_no_memory():
+    raw_frame = {"pc": 0, "op": "PUSH1", "gas": 4732305, "gasCost": 3, "depth": 1, "stack": []}
+    assert TraceFrame(**raw_frame)
+
+
 @pytest.mark.parametrize(
     "test_data",
     (