hyperlane-monorepo/solidity/contracts/test/TestMerkle.sol

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.6.11;

import "../Merkle.sol";

contract TestMerkle is MerkleTreeManager {
    using MerkleLib for MerkleLib.Tree;

    constructor() MerkleTreeManager() {}

    function count() external view returns (uint256) {
        return tree.count;
    }

    function insert(bytes32 _node) external {
        tree.insert(_node);
    }

    function branchRoot(
        bytes32 leaf,
        bytes32[32] calldata proof,
        uint256 index
    ) external pure returns (bytes32 _node) {
        return MerkleLib.branchRoot(leaf, proof, index);
    }
}