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Add Bytes32x2Set (#5442)

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Co-authored-by: Ernesto García <ernestognw@gmail.com>
This commit is contained in:
Hadrien Croubois
2025-02-04 20:30:53 +01:00
committed by GitHub
parent 2141d3faf5
commit 441dc141ac
7 changed files with 261 additions and 12 deletions
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4
contracts/utils/cryptography/Hashes.sol
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@ -15,13 +15,13 @@ library Hashes {
* NOTE: Equivalent to the `standardNodeHash` in our https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
*/
function commutativeKeccak256(bytes32 a, bytes32 b) internal pure returns (bytes32) {
return a < b ? _efficientKeccak256(a, b) : _efficientKeccak256(b, a);
return a < b ? efficientKeccak256(a, b) : efficientKeccak256(b, a);
}
/**
* @dev Implementation of keccak256(abi.encode(a, b)) that doesn't allocate or expand memory.
*/
function _efficientKeccak256(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
function efficientKeccak256(bytes32 a, bytes32 b) internal pure returns (bytes32 value) {
assembly ("memory-safe") {
mstore(0x00, a)
mstore(0x20, b)