AuthorityKeysMigration

pallet_session_validator_management::migrations::authority_keys

Struct AuthorityKeysMigration 

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pub struct AuthorityKeysMigration<T, OldAuthorityKeys, const FROM_VERSION: u32, const TO_VERSION: u32>
where
    T: Config,
    OldAuthorityKeys: UpgradeAuthorityKeys<T::AuthorityKeys> + Member + Decode + Clone,
{ /* private fields */ }
Expand description

Migrates existing committee members data in storage to use new type AuthorityKeys

This migration is versioned and will only be applied when on-chain session keys version as read from AuthorityKeysVersion storage is equal to FROM_VERSION and will set the version to TO_VERSION.

Important: This migration assumes that the runtime is using [pallet_session] and will migrate that pallet’s key storage as well.

Trait Implementations§

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impl<T, OldAuthorityKeys, const FROM_VERSION: u32, const TO_VERSION: u32> OnRuntimeUpgrade for AuthorityKeysMigration<T, OldAuthorityKeys, FROM_VERSION, TO_VERSION>
where T: Config + Config<Keys = <T as Config>::AuthorityKeys>, OldAuthorityKeys: UpgradeAuthorityKeys<T::AuthorityKeys> + OpaqueKeys + Member + Decode + Clone,

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fn on_runtime_upgrade() -> Weight

See [Hooks::on_runtime_upgrade].
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fn try_on_runtime_upgrade(checks: bool) -> Result<Weight, DispatchError>

The expected and default behavior of this method is to handle executing pre_upgrade -> on_runtime_upgrade -> post_upgrade hooks for a migration. Read more
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fn pre_upgrade() -> Result<Vec<u8>, DispatchError>

See [Hooks::pre_upgrade].
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fn post_upgrade(_state: Vec<u8>) -> Result<(), DispatchError>

See [Hooks::post_upgrade].

Auto Trait Implementations§

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impl<T, OldAuthorityKeys, const FROM_VERSION: u32, const TO_VERSION: u32> Freeze for AuthorityKeysMigration<T, OldAuthorityKeys, FROM_VERSION, TO_VERSION>
where <T as Config>::RuntimeEvent: Sized,

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impl<T, OldAuthorityKeys, const FROM_VERSION: u32, const TO_VERSION: u32> RefUnwindSafe for AuthorityKeysMigration<T, OldAuthorityKeys, FROM_VERSION, TO_VERSION>
where <T as Config>::RuntimeEvent: Sized, T: RefUnwindSafe, OldAuthorityKeys: RefUnwindSafe,

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impl<T, OldAuthorityKeys, const FROM_VERSION: u32, const TO_VERSION: u32> Send for AuthorityKeysMigration<T, OldAuthorityKeys, FROM_VERSION, TO_VERSION>
where <T as Config>::RuntimeEvent: Sized, T: Send,

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impl<T, OldAuthorityKeys, const FROM_VERSION: u32, const TO_VERSION: u32> Sync for AuthorityKeysMigration<T, OldAuthorityKeys, FROM_VERSION, TO_VERSION>
where <T as Config>::RuntimeEvent: Sized, T: Sync,

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impl<T, OldAuthorityKeys, const FROM_VERSION: u32, const TO_VERSION: u32> Unpin for AuthorityKeysMigration<T, OldAuthorityKeys, FROM_VERSION, TO_VERSION>
where <T as Config>::RuntimeEvent: Sized, T: Unpin, OldAuthorityKeys: Unpin,

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impl<T, OldAuthorityKeys, const FROM_VERSION: u32, const TO_VERSION: u32> UnwindSafe for AuthorityKeysMigration<T, OldAuthorityKeys, FROM_VERSION, TO_VERSION>
where <T as Config>::RuntimeEvent: Sized, T: UnwindSafe, OldAuthorityKeys: UnwindSafe,

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