feat(spec, spec-specs): EIP-7997

[kclowes]

🗒️ Description

EIP-7997 implementation and tests

🔗 Related Issues or PRs

N/A.

✅ Checklist

• All: Ran fast static checks to avoid unnecessary CI fails, see also Code Standards and Enabling Pre-commit Checks:

  just static

• All: PR title adheres to the repo standard - it will be used as the squash commit message and should start type(scope):.
• All: Considered updating the online docs in the ./docs/ directory.
• All: Set appropriate labels for the changes (only maintainers can apply labels).
• Tests: Ran mkdocs serve locally and verified the auto-generated docs for new tests in the Test Case Reference are correctly formatted.
• Tests: For PRs implementing a missed test case, update the post-mortem document to add an entry the list.
• Ported Tests: All converted JSON/YML tests from ethereum/tests or tests/static have been assigned @ported_from marker.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.82%. Comparing base (9d18733) to head (b60c86c).
⚠️ Report is 1 commits behind head on forks/amsterdam.

Additional details and impacted files

@@                 Coverage Diff                 @@
##           forks/amsterdam    #2802      +/-   ##
===================================================
- Coverage            88.17%   87.82%   -0.35%     
===================================================
  Files                  577      525      -52     
  Lines                35659    31928    -3731     
  Branches              3490     3081     -409     
===================================================
- Hits                 31442    28042    -3400     
+ Misses                3654     3371     -283     
+ Partials               563      515      -48     

Flag	Coverage Δ
unittests	87.82% <ø> (-0.35%)	⬇️

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