uint256 virtualRewardsToAdd = Math.ceilDiv( totalRewards[poolID] * increaseShareAmount, existingTotalShares );
uint256 virtualRewardsToAdd = Math.ceilDiv( 1000e18 * 200e18, 202 );
user.virtualRewards += uint128(virtualRewardsToAdd);
totalRewards[poolID] += uint128(virtualRewardsToAdd);
