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chore!: improve start/end row proof validation #1476

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chore!: improve start/end row proof validation #1476

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788d7f6
chore: improve start/end row proof validation
rach-id Sep 11, 2024
fead057
fix: condition + add test
rach-id Sep 11, 2024
6a2148c
chore: separate the row proof checks
rach-id Sep 12, 2024
aac1164
chore: check if the proof indexes are sequential
rach-id Sep 13, 2024
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5 changes: 5 additions & 0 deletions types/row_proof.go
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,11 @@ func (rp RowProof) Validate(root []byte) error {
if len(rp.Proofs) != len(rp.RowRoots) {
return fmt.Errorf("the number of proofs %d must equal the number of row roots %d", len(rp.Proofs), len(rp.RowRoots))
}
if len(rp.Proofs) != 0 &&
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(int64(rp.StartRow) != rp.Proofs[0].Index ||
int64(rp.StartRow) != rp.Proofs[len(rp.Proofs)-1].Index) {
return fmt.Errorf("invalid start/end row")
}
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@rootulp rootulp Sep 11, 2024 •
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I'm a bit lost on why this conditional is an invalid start or end row. EndRow isn't used in the conditional so how can it be deemed invalid?

Can this PR please include a unit test?

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good catch

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fead057

if !rp.VerifyProof(root) {
return errors.New("row proof failed to verify")
}
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