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pezkuwi-sdk/bizinikiwi/pezframe/staking/CHANGELOG.md
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# Changelog
All notable changes and migrations to pezpallet-staking will be documented in this file.
The format is loosely based
on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/). We maintain a
single integer version number for staking pezpallet to keep track of all storage
migrations.
## [v16]
### Added
- New default implementation of `DisablingStrategy` - `UpToLimitWithReEnablingDisablingStrategy`.
Same as `UpToLimitDisablingStrategy` except when a limit (1/3 default) is reached. When limit is
reached the offender is only disabled if his offence is greater or equal than some other already
disabled offender. The smallest possible offender is re-enabled to make space for the new greater
offender. A limit should thus always be respected.
- `DisabledValidators` changed format to include severity of the offence.
## [v15]
### Added
- New trait `DisablingStrategy` which is responsible for making a decision which offenders should be
disabled on new offence.
- Default implementation of `DisablingStrategy` - `UpToLimitDisablingStrategy`. It
disables each new offender up to a threshold (1/3 by default). Offenders are not runtime disabled for
offences in previous era(s). But they will be low-priority node-side disabled for dispute initiation.
- `OffendingValidators` storage item is replaced with `DisabledValidators`. The former keeps all
offenders and if they are disabled or not. The latter just keeps a list of all offenders as they
are disabled by default.
### Deprecated
- `enum DisableStrategy` is no longer needed because disabling is not related to the type of the
offence anymore. A decision if a offender is disabled or not is made by a `DisablingStrategy`
implementation.
## [v14]
### Added
- New item `ErasStakersPaged` that keeps up to `MaxExposurePageSize`
individual nominator exposures by era, validator and page.
- New item `ErasStakersOverview` complementary to `ErasStakersPaged` which keeps
state of own and total stake of the validator across pages.
- New item `ClaimedRewards` to support paged rewards payout.
### Deprecated
- `ErasStakers` and `ErasStakersClipped` is deprecated, will not be used any longer for the exposures of the new era
post v14 and can be removed after 84 eras once all the exposures are stale.
- Field `claimed_rewards` in item `Ledger` is renamed
to `legacy_claimed_rewards` and can be removed after 84 eras.
[v14]: https://github.com/pezkuwichain/pezkuwi-sdk/issues/46