// SPDX-FileCopyrightText: 2021 ShardLabs // SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.7; import "../NodeOperatorRegistry.sol"; /// @title NodeOperatorRegistryV2 /// @dev this contract is used only for test the upgradibility contract NodeOperatorRegistryV2 is NodeOperatorRegistry { uint256 x; function setX(uint256 _x) public { x = _x; } function getX() public view returns (uint256) { return x; } }