“Verifikasi soliditas daftar putih” Kode Jawaban

Verifikasi soliditas daftar putih

function verifyWhitelist(bytes32 leaf, bytes32[] memory proof)
        private
        view
        returns (bool)
    {
        bytes32 computedHash = leaf;

        for (uint256 i = 0; i < proof.length; i++) {
            bytes32 proofElement = proof[i];

            if (computedHash < proofElement) {
                computedHash = keccak256(
                    abi.encodePacked(computedHash, proofElement)
                );
            } else {
                computedHash = keccak256(
                    abi.encodePacked(proofElement, computedHash)
                );
            }
        }

        return computedHash == _merkleRoot;
    }