contract ProtocolGovernance {
    /// @notice governance address for the governance contract
    address public governance;
    address public pendingGovernance;
    
    /**
     * @notice Allows governance to change governance (for future upgradability)
     * @param _governance new governance address to set
     */
    function setGovernance(address _governance) external {
        require(msg.sender == governance, "setGovernance: !gov");
        pendingGovernance = _governance;
    }

    /**
     * @notice Allows pendingGovernance to accept their role as governance (protection pattern)
     */
    function acceptGovernance() external {
        require(msg.sender == pendingGovernance, "acceptGovernance: !pendingGov");
        governance = pendingGovernance;
    }
}
function acceptGovernance() external {
    require(msg.sender == pendingGovernance, "acceptGovernance: !pendingGov");
    governance = pendingGovernance;
}

/**
 * @notice Allows pendingGovernance to accept their role as governance (protection pattern)
 */