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fix(audit): check if authority hash already exists #149

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fix(audit): check if authority hash already exists #149

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7 changes: 7 additions & 0 deletions contracts/src/VectorX.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -309,6 +309,13 @@ contract VectorX is IVectorX, TimelockedUpgradeable {
revert AuthoritySetNotFound();
}

bytes32 nextAuthoritySetHash = authoritySetIdToHash[
_currentAuthoritySetId + 1
];
if (nextAuthoritySetHash != bytes32(0)) {
revert NextAuthoritySetExists();
}

bytes memory input = abi.encodePacked(
_currentAuthoritySetId,
currentAuthoritySetHash
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