function setDriipSettlementChallengeState(DriipSettlementChallengeState newDriipSettlementChallengeState)
    public
    onlyDeployer
    notNullAddress(address(newDriipSettlementChallengeState))
    {
        DriipSettlementChallengeState oldDriipSettlementChallengeState = driipSettlementChallengeState;
        driipSettlementChallengeState = newDriipSettlementChallengeState;
        emit SetDriipSettlementChallengeStateEvent(oldDriipSettlementChallengeState, driipSettlementChallengeState);
    }