// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import "../MerkleTreeWithHistory.sol"; contract MerkleTreeWithHistoryMock is MerkleTreeWithHistory { constructor(uint32 _treeLevels, Hasher _hasher) public MerkleTreeWithHistory(_treeLevels, _hasher) {} function insert(bytes32 _leaf) public { _insert(_leaf); } }