    function update_market(address _market) public {
        require(lendingMarketWhitelist[_market], "Market not whitelisted");
        MarketInfo storage market = marketInfo[_market];
        if (block.number > market.lastRewardBlock) {
            uint256 marketSupply = lendingMarketTotalBalance[_market];
            if (marketSupply > 0) {
                uint256 i = market.lastRewardBlock;
                while (i < block.number) {
                    uint256 epoch = (i / BLOCK_EPOCH) * BLOCK_EPOCH; // Rewards and voting weights are aligned on a weekly basis
                    uint256 nextEpoch = i + BLOCK_EPOCH;
                    uint256 blockDelta = Math.min(nextEpoch, block.number) - i;
                    uint256 cantoReward = (blockDelta *
                        cantoPerBlock[epoch] *
@>                      gaugeController.gauge_relative_weight_write(_market, epoch)) / 1e18;
                    market.accCantoPerShare += uint128((cantoReward * 1e18) / marketSupply);
                    market.secRewardsPerShare += uint128((blockDelta * 1e18) / marketSupply); // TODO: Scaling
                    i += blockDelta;
                }
            }
            market.lastRewardBlock = uint64(block.number);
        }
    }
contract GaugeController {
@>  uint256 public constant WEEK = 7 days;
...
    function _gauge_relative_weight(address _gauge, uint256 _time) private view returns (uint256) {
@>      uint256 t = (_time / WEEK) * WEEK;
        uint256 total_weight = points_sum[t].bias;
        if (total_weight > 0) {
            uint256 gauge_weight = points_weight[_gauge][t].bias;
            return (MULTIPLIER * gauge_weight) / total_weight;
        } else {
            return 0;
        }
    }
