        uint256 slope = amount / boostDuration;
        uint256 bias = slope * boostDuration;
    point = self._checkpoint_read(_user, False)
    amount += (point.bias - point.slope * (block.timestamp - point.ts))
    return amount
        uint256 slope = amount / boostDuration;
        uint256 bias = slope * boostDuration;
        if(delegationBoost.adjusted_balance_of(pledgeParams.receiver) + bias > pledgeParams.targetVotes) revert Errors.TargetVotesOverflow();
        delegationBoost.boost(
            pledgeParams.receiver,
            amount,
            endTimestamp,
            user
        );
