function reviveGauge(address gauge_) external onlyRole(_GOVERNANCE_ROLE) {
    if (gaugesState[gauge_].isAlive) {
        revert GaugeNotKilled();
    }
    gaugesState[gauge_].isAlive = true;
    emit GaugeRevived(gauge_);
}
function _distribute(address gauge_) internal {
    GaugeState memory state = gaugesState[gauge_];
    uint256 currentTimestamp = _epochTimestamp();
    if (state.lastDistributionTimestamp < currentTimestamp) {
        uint256 totalVotesWeight = weightsPerEpoch[currentTimestamp - _WEEK][state.pool];
        if (totalVotesWeight > 0) {
            uint256 delta = index - state.index; // @contest-info outdated index can cause problem here
            if (delta > 0) {
                uint256 amount = (totalVotesWeight * delta) / 1e18;
                if (state.isAlive) {
                    gaugesState[gauge_].claimable += amount;
                } else {
                    IERC20Upgradeable(token).safeTransfer(minter, amount);
                }
            }
        }
        gaugesState[gauge_].index = index;
        uint256 claimable = gaugesState[gauge_].claimable;
        if (claimable > 0 && state.isAlive) {
            gaugesState[gauge_].claimable = 0;
            gaugesState[gauge_].lastDistributionTimestamp = currentTimestamp;
            IGauge(gauge_).notifyRewardAmount(token, claimable);
            emit DistributeReward(_msgSender(), gauge_, claimable);
        }
    }
}
function reviveGauge(address gauge_) external onlyRole(_GOVERNANCE_ROLE) {
    if (gaugesState[gauge_].isAlive) {
        revert GaugeNotKilled();
    }
    gaugesState[gauge_].isAlive = true;
    gaugesState[gauge_].index = index; // <-- update to global index
    emit GaugeRevived(gauge_);
}
