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feat(spec-specs): add EIP-8131 unified transaction content floor - #3350

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nerolation:nerolation/eip-8131
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feat(spec-specs): add EIP-8131 unified transaction content floor#3350
nerolation wants to merge 1 commit into
ethereum:forks/amsterdamfrom
nerolation:nerolation/eip-8131

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@nerolation

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Description

Implement EIP-8131 in the Amsterdam fork. One floor rule replaces the EIP-7976 calldata floor and the EIP-7981 access list surcharge: every user-controlled content byte pays 64 gas at the floor.

Related Issues or PRs

N/A.

Checklist

  • Ran fast static checks to avoid CI fails, see Code Standards & Verifying Changes: just static
  • PR title has the form <type>(<area>): <title>, where <type> and <area> come from an appropriate C-<type>, respectively A-<area>, label. The title should match the target squash commit message.

@codecov

codecov Bot commented Aug 11, 2026

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Codecov Report

❌ Patch coverage is 0% with 24 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.49%. Comparing base (5b2b22c) to head (539eee8).

Files with missing lines Patch % Lines
src/ethereum/forks/amsterdam/transactions.py 0.00% 22 Missing ⚠️
src/ethereum/forks/amsterdam/vm/gas.py 0.00% 2 Missing ⚠️
Additional details and impacted files
@@                 Coverage Diff                  @@
##           forks/amsterdam    #3350       +/-   ##
====================================================
+ Coverage            13.85%   81.49%   +67.63%     
====================================================
  Files                  624      624               
  Lines                37070    37079        +9     
  Branches              3394     3398        +4     
====================================================
+ Hits                  5136    30217    +25081     
+ Misses               31875     6442    -25433     
- Partials                59      420      +361     
Flag Coverage Δ
unittests 81.49% <0.00%> (+67.63%) ⬆️

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