pub type ErasStakersClipped<T: Config> = StorageDoubleMap<_GeneratedPrefixForStorageErasStakersClipped<T>, Twox64Concat, EraIndex, Twox64Concat, T::AccountId, Exposure<T::AccountId, BalanceOf<T>>, ValueQuery>;
Clipped Exposure of validator at era.
This is similar to
ErasStakers but number of nominators exposed is reduced to the
T::MaxNominatorRewardedPerValidator biggest stakers.
(Note: the field
own of the exposure remains unchanged).
This is used to limit the i/o cost for the nominator payout.
This is keyed fist by the era index to allow bulk deletion and then the stash account.
Is it removed after
If stakers hasn’t been set or has been removed then empty exposure is returned.
Storage type is
StorageDoubleMap with key1 type EraIndex, key2 type T :: AccountId and value type Exposure < T :: AccountId, BalanceOf < T > >.