Exposure of validator at era.
This is keyed first by the era index to allow bulk deletion and then the stash account.
Is it removed after [Config::HistoryDepth] eras. If stakers hasn't been set or has been removed then empty exposure is returned.
Config::HistoryDepth
Note: Deprecated since v14. Use EraInfo instead to work with exposures.
EraInfo
Exposure of validator at era.
This is keyed first by the era index to allow bulk deletion and then the stash account.
Is it 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.