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Make explicit the validity of the empty set in MerkleProof.sol #5142

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ernestognw
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Makes it explicit that users verifying multiproofs should consider that the empty set is valid.
Most implementations do check the validity of the leaves or build them within the contract, which makes it impossible to validate a proof incorrectly.

This is consistent with our no-ops policy

PR Checklist

  • Tests
  • Documentation
  • Changeset entry (run npx changeset add)

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Latest commit: 69a8477

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@ernestognw ernestognw changed the title Chore/add empty set note merkle proof Make explicit the validity of the empty set in MerkleProof.sol Aug 5, 2024
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lgtm, would be cherry-picked for 5.1 update?

@ernestognw
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lgtm, would be cherry-picked for 5.1 update?

Yes, I'll pick it up to #5139

@ernestognw ernestognw merged commit bcd4beb into OpenZeppelin:master Aug 7, 2024
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@ernestognw ernestognw added this to the 5.1-after-freeze milestone Aug 7, 2024
ernestognw added a commit to Amxx/openzeppelin-contracts that referenced this pull request Aug 7, 2024
Amxx pushed a commit that referenced this pull request Oct 2, 2024
Signed-off-by: Hadrien Croubois <hadrien.croubois@gmail.com>
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2 participants