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Feat(gas-params): Include min base fee param as per Jovian spec#580

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birchmd merged 2 commits intomainfrom
feat/birchmd/jovian-min-base-fee
Dec 18, 2025
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Feat(gas-params): Include min base fee param as per Jovian spec#580
birchmd merged 2 commits intomainfrom
feat/birchmd/jovian-min-base-fee

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@birchmd birchmd commented Dec 17, 2025

Description

Implements the changes relating to the new minBaseFee field in the execution payload as described in the OP Stack Jovian spec.

Changes

  • PayloadAttributesV3 now requires the fields eip1559_params and min_base_fee
  • The block header extraData is bumped to version 1; it now also includes the minBaseFee.
  • Use min_base_fee in gas fee calculation.

Testing

  • Existing tests updated with new data to reflect the changes in payload attributes and extra data.

Notes

  • This is not the only change required for Jovian. More PRs will come in the new year.

@birchmd birchmd requested a review from bulenttastan December 17, 2025 19:34
@birchmd birchmd self-assigned this Dec 17, 2025
@birchmd birchmd merged commit ff051a4 into main Dec 18, 2025
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@birchmd birchmd deleted the feat/birchmd/jovian-min-base-fee branch December 18, 2025 15:12
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2 participants