// contracts/Implementation.sol // SPDX-License-Identifier: Apache 2 pragma solidity ^0.8.0; import "../BridgeImplementation.sol"; contract MockBridgeImplementation is BridgeImplementation { function initialize() initializer public override { // this function needs to be exposed for an upgrade to pass } function testNewImplementationActive() external pure returns (bool) { return true; } function testUpdateWETHAddress(address WETH) external { setWETH(WETH); } }