StakerStatsByStakerPagination is used to paginate the top stakers by active tvl ActiveTvl is used as the sorting key, whereas StakerPkHex is used as the secondary sorting key.

StatsLockDocument represents the document in the stats lock collection It's used as a lock to prevent concurrent stats calculation for the same staking tx hash As well as to prevent the same staking tx hash + txType to be processed multiple times The already processed stats will be marked as true in the document.