feat(tests): Support for EIP-7928 - Block-Level Access Lists #2067
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This was referenced Aug 25, 2025
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tests/amsterdam/eip7928_block_level_access_lists/test_block_access_lists.py
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Co-authored-by: raxhvl <[email protected]>
- Use the full bal object in the t8n. We can use this to model_validate() into our pydantic model. - Also, pass the bal_hash via t8n so that once we do build the BAL, validate the explicitly defined values, rlp encode it, then hash it, we can compare the full BAL against the hash and make sure that even though we only validated the part that was important for our test, the full BAL is also always valid. Bonus: - Added a new type for ``StorageKey`` because these were not being rlp encoded properly without the left padding. This was tricky to find and I think this can be a common issue. New type here seemed appropriate.
- chore(cleanup): Remove reference to told BlockAccessLists fork - refactor(fork): ``Amsterdam`` above old EOF fork.
- Update some docstrings to remove AI excessive verbosity and add CodeChanges case to example.
- Use ``Number`` instead of ``int`` where appropriate - Use ``default_factory=list`` without ``Optional`` and ``None`` where appropriate
- Use a root model class for the t8n BAL model. This lets us stick closer to the EIP definition where the BAL itself is a list. - The class doesn't need to be `RLPSerializable`, just have simple instructions to serialize its elements (`rlp()`). - Create a `BlockAccessListExpectation` class to represent the expected BAL for a given block. This class can describe different expectations for the test cases, such as defining mutations to be used for invalid tests.
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…hanges - From comments on PR ethereum#2067, we should allow for an explicit exclusion case for an entire set of account changes. If a test case warrants a sanity check that some account might have been impacted but shouldn't be accounted for, we should be able to specify that explicitly.
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@marioevz this needed a rebase to fix some conflicts, hence the force push. For ease of a re-review, only the last 4 commits should have any changes since you last reviewed and I believe I addressed all your comments. Thanks for the thorough review 🙏🏼 edit: The only two comments not marked as "resolved" here are outstanding things to think about. I think we can create an issue to track the remaining changes as we iterate. Or, if you think we can answer those now, I'm happy to chat about it and implement it here as well. Let me know. |
…hanges - From comments on PR ethereum#2067, we should allow for an explicit exclusion case for an entire set of account changes. If a test case warrants a sanity check that some account might have been impacted but shouldn't be accounted for, we should be able to specify that explicitly.
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- Add BAL to engine execution payload as defined in: https://github.com/ethereum/consensus-specs/pull/4526/files#diff-4b950f0c895b4d521c9e8103d638e73a4c7746c6aea51250994425a1efd6f4c8R55 - Add BAL support for state tests to be able to create blockchain tests
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🗒️ Description
This builds upon #1823 and #1866. I worked on this side by side with ethereum/execution-specs#1381 to get BAL support and tests working with each other.
🔗 Related Issues or PRs
#ethereum/execution-specs#1381
✅ Checklist
toxchecks to avoid unnecessary CI fails, see also Code Standards and Enabling Pre-commit Checks:uvx --with=tox-uv tox -e lint,typecheck,spellcheck,markdownlinttype(scope):.mkdocs servelocally and verified the auto-generated docs for new tests in the Test Case Reference are correctly formatted.