openzeppelin-contracts/contracts/mocks/EtherReceiverMockUpgradeable.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

contract EtherReceiverMockUpgradeable is Initializable {
    function __EtherReceiverMock_init() internal onlyInitializing {
    }

    function __EtherReceiverMock_init_unchained() internal onlyInitializing {
    }
    bool private _acceptEther;

    function setAcceptEther(bool acceptEther) public {
        _acceptEther = acceptEther;
    }

    receive() external payable {
        if (!_acceptEther) {
            revert();
        }
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}