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Type Alias pallet_staking::ErasStakersClipped

source ·
pub type ErasStakersClipped<T: Config> = StorageDoubleMap<_GeneratedPrefixForStorageErasStakersClipped<T>, Twox64Concat, EraIndex, Twox64Concat, T::AccountId, Exposure<T::AccountId, BalanceOf<T>>, ValueQuery>;
Expand description

Clipped Exposure of validator at era.

Note: This is deprecated, should be used as read-only and will be removed in the future. New Exposures are stored in a paged manner in ErasStakersPaged instead.

This is similar to ErasStakers but number of nominators exposed is reduced to the T::MaxExposurePageSize biggest stakers. (Note: the field total and 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.

It is removed after Config::HistoryDepth eras. If stakers hasn’t been set or has been removed then empty exposure is returned.

Note: Deprecated since v14. Use EraInfo instead to work with exposures.

Storage type is [StorageDoubleMap] with key1 type EraIndex, key2 type T :: AccountId and value type Exposure < T :: AccountId, BalanceOf < T > >.

Aliased Type§

struct ErasStakersClipped<T: Config>(/* private fields */);