[pallet-staking] Clean up stale non paged exposure storages in the pallet#5986
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[pallet-staking] Clean up stale non paged exposure storages in the pallet#5986
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… exposures (#7483) Building from #6445 on top of #7282 **Changes** - [x] Bound `Invulnerables`, vector of validators invulnerable to slashing. - Add `MaxInvulnerables` to bound `Invulnerables` Vec -> `BoundedVec`. - Set to constant 20 in the pallet (must be >= 17 for backward compatibility with runtime `westend`). - [x] Bound `Disabled Validators`, vector of validators that have offended in a given era and have been disabled. - Add `MaxDisabledValidators` to bound `DisabledValidators` Vec -> `BoundedVec`. - Set to constant 100 in the pallet (it should be <= 1/3 * `MaxValidatorsCount` according to the current disabling strategy). - [x] Remove `ErasStakers` and `ErasStakersClipped` (see #433 ), non-paged validators exposures. - They were deprecated in v14 and could have been removed since staking era 1504 (now it's > 1700). - They are already empty on Polkadot and Kusama. - Completing the task from #5986. Migrating pallet `staking` storage to v17 to apply all changes. **TO DO** (in a follow-up PR) - [ ] Bound `ErasStakersPaged` - this needs bounding `ExposurePage.others` vector - [ ] Bound `BondedEras` vector - [ ] Bound `ClaimedRewards` pages vector - [ ] Bound `ErasRewardPoints` - this needs bounding `EraRewardPoints.individual` BTreeMap - [ ] Bound `UnappliedSlashes` - [ ] Bound `SlashingSpans` - this needs bounding `SlashingSpans.prior` vector --------- Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: kianenigma <kian@parity.io>
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closes #433