    function earned(address account) public view returns (uint256) {
        return
            balanceOf(account)
                .mul(rewardPerToken().sub(userRewardPerTokenPaid[account]))
                .div(1e18)
                .add(rewards[account]);
    }

    function earned(address account) public view returns (uint256) {
        return
            balanceOf(account)
                .mul(rewardPerToken().sub(userRewardPerTokenPaid[account]))
                .div(1e18)
                .add(rewards[account]);
    }
    function balanceOfJPEG() external view returns (uint256) {
        uint256 availableBalance = jpeg.balanceOf(address(this));

        IBaseRewardPool baseRewardPool = convexConfig.baseRewardPool;
        uint256 length = baseRewardPool.extraRewardsLength();
        for (uint256 i = 0; i < length; i++) {
            IBaseRewardPool extraReward = IBaseRewardPool(baseRewardPool.extraRewards(i));
            if (address(jpeg) == extraReward.rewardToken()) {
                availableBalance += extraReward.earned();
                //we found jpeg, no need to continue the loop
                break;
            }
        }

        return availableBalance;
    }
    function balanceOfJPEG() external view returns (uint256) {
        uint256 availableBalance = jpeg.balanceOf(address(this));

        IBaseRewardPool baseRewardPool = convexConfig.baseRewardPool;
        availableBalance += baseRewardPool.earned(address(this));
        uint256 length = baseRewardPool.extraRewardsLength();
        for (uint256 i = 0; i < length; i++) {
            IBaseRewardPool extraReward = IBaseRewardPool(baseRewardPool.extraRewards(i));
            if (address(jpeg) == extraReward.rewardToken()) {
                availableBalance += extraReward.earned(address(this));
            }
        }

        return availableBalance;
    }
