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StateMigration

forest::state_migration::common::state_migration

Struct StateMigration 

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pub(in state_migration) struct StateMigration<BS> {
    migrations: CidHashMap<Arc<dyn ActorMigration<BS> + Send + Sync>>,
    verifier: Option<Arc<dyn ActorMigrationVerifier<BS> + Send + Sync>>,
    post_migrators: Vec<Arc<dyn PostMigrator<BS>>>,
    post_migration_checks: Vec<Arc<dyn PostMigrationCheck<BS>>>,
}
Expand description

Handles several cases of migration:

  • nil migrations, essentially mapping one Actor to another,
  • migrations where state upgrade is required,
  • creating new actors that were not present in the prior network version.

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§migrations: CidHashMap<Arc<dyn ActorMigration<BS> + Send + Sync>>§verifier: Option<Arc<dyn ActorMigrationVerifier<BS> + Send + Sync>>

Verifies correctness of the migration specification.

§post_migrators: Vec<Arc<dyn PostMigrator<BS>>>

Post migrator(s). This may include new actor creation.

§post_migration_checks: Vec<Arc<dyn PostMigrationCheck<BS>>>

Post migration checks. This is used to verify the correctness of the migration.

Implementations§

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impl<BS: Blockstore> StateMigration<BS>

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pub(in state_migration) fn new( verifier: Option<Arc<dyn ActorMigrationVerifier<BS> + Send + Sync>>, ) -> Self

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pub(in state_migration) fn add_migrator( &mut self, prior_cid: Cid, migrator: Arc<dyn ActorMigration<BS> + Send + Sync>, )

Inserts a new migrator into the migration specification.

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pub(in state_migration) fn add_post_migrator( &mut self, post_migrator: Arc<dyn PostMigrator<BS>>, )

Inserts a new post migrator into the post migration specification.

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pub(in state_migration) fn add_post_migration_check( &mut self, post_migration_check: Arc<dyn PostMigrationCheck<BS>>, )

Inserts a new post migration check into the post migration checks specification.

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impl<BS: Blockstore + Send + Sync> StateMigration<BS>

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pub(in state_migration) fn migrate_state_tree( &self, store: &BS, prior_epoch: i64, actors_in: StateTree<BS>, actors_out: StateTree<BS>, ) -> Result<Cid>

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impl<BS: Blockstore + Send + Sync> StateMigration<BS>

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pub fn add_nv17_migrations( &mut self, store: &Arc<BS>, actors_in: &mut StateTree<BS>, new_manifest: &BuiltinActorManifest, prior_epoch: i64, chain: NetworkChain, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv18_migrations( &mut self, store: Arc<BS>, state: &Cid, new_manifest: &Cid, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv19_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &Cid, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv21_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &BuiltinActorManifest, chain_config: &ChainConfig, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv21fix_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &BuiltinActorManifest, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv21fix2_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &BuiltinActorManifest, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv22_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &BuiltinActorManifest, chain_config: &ChainConfig, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv22fix_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &BuiltinActorManifest, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv23_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &BuiltinActorManifest, _chain_config: &ChainConfig, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv24_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &BuiltinActorManifest, chain_config: &ChainConfig, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv25_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &BuiltinActorManifest, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv26fix_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &BuiltinActorManifest, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv27_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &BuiltinActorManifest, ) -> Result<()>

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impl<BS: Blockstore> StateMigration<BS>

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pub fn add_nv28_migrations( &mut self, store: &Arc<BS>, state: &Cid, new_manifest: &BuiltinActorManifest, ) -> Result<()>

Auto Trait Implementations§

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impl<BS> Freeze for StateMigration<BS>

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impl<BS> !RefUnwindSafe for StateMigration<BS>

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impl<BS> Send for StateMigration<BS>

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impl<BS> Sync for StateMigration<BS>

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impl<BS> Unpin for StateMigration<BS>

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impl<BS> UnsafeUnpin for StateMigration<BS>

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impl<BS> !UnwindSafe for StateMigration<BS>

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fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Mutable access to the BorrowMut<B> of a value. Read more
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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more
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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more
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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more
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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more
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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.
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fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> MaybeSend for T
where T: Send,