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fix(redis): extract virtual randomness hook for fuzz harnesses #312

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fix(redis): extract virtual randomness hook for fuzz harnesses #312

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9 changes: 7 additions & 2 deletions src/Redistribution.sol
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Expand Up @@ -671,8 +671,13 @@ contract Redistribution is AccessControl, Pausable {
* @notice Updates the source of randomness. Uses block.difficulty in pre-merge chains, this is substituted
* to block.prevrandao in post merge chains.
*/
function updateRandomness() private {
seed = keccak256(abi.encode(seed, block.prevrandao));
function updateRandomness() internal virtual {
seed = _nextSeedValue();
}

/// @dev Extracted for fuzz harnesses that must pin post-reveal randomness to fixture data.
function _nextSeedValue() internal view virtual returns (bytes32) {
return keccak256(abi.encode(seed, block.prevrandao));
}

/**
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