function depositFees(uint256 amount) external override {
    require(amount > 0, Error.INVALID_AMOUNT);
    require(totalLockedBoosted > 0, Error.NOT_ENOUGH_FUNDS);
    IERC20(rewardToken).safeTransferFrom(msg.sender, address(this), amount);

    RewardTokenData storage curRewardTokenData = rewardTokenData[rewardToken];

    curRewardTokenData.feeIntegral += amount.scaledDiv(totalLockedBoosted);
    curRewardTokenData.feeBalance += amount;
    emit FeesDeposited(amount);
}
