Struct radix_engine::track::track::Track

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pub struct Track<'s, S: SubstateDatabase, M: DatabaseKeyMapper + 'static> {
    substate_db: &'s S,
    tracked_nodes: IndexMap<NodeId, TrackedNode>,
    force_write_tracked_nodes: IndexMap<NodeId, TrackedNode>,
    deleted_partitions: IndexSet<(NodeId, PartitionNumber)>,
    transient_substates: TransientSubstates,
    phantom_data: PhantomData<M>,
}
Expand description

Transaction-wide states and side effects

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§substate_db: &'s S

Substate database, use get_substate_from_db and list_entries_from_db for access

§tracked_nodes: IndexMap<NodeId, TrackedNode>§force_write_tracked_nodes: IndexMap<NodeId, TrackedNode>§deleted_partitions: IndexSet<(NodeId, PartitionNumber)>

TODO: if time allows, consider merging into tracked nodes.

§transient_substates: TransientSubstates§phantom_data: PhantomData<M>

Implementations§

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impl<'s, S: SubstateDatabase, M: DatabaseKeyMapper + 'static> Track<'s, S, M>

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pub fn new(substate_db: &'s S) -> Self

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fn get_substate_from_db<E, F: FnMut(IOAccess) -> Result<(), E>>( substate_db: &'s S, partition_key: &DbPartitionKey, sort_key: &DbSortKey, on_io_access: &mut F, canonical_substate_key: CanonicalSubstateKey ) -> Result<Option<IndexedScryptoValue>, E>

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fn list_entries_from_db<'x, E: 'x, F: FnMut(IOAccess) -> Result<(), E> + 'x, K: SubstateKeyContent + 'static>( substate_db: &'x S, partition_key: &DbPartitionKey, on_io_access: &'x mut F, canonical_partition: CanonicalPartition ) -> Box<dyn Iterator<Item = Result<(DbSortKey, (SubstateKey, IndexedScryptoValue)), E>> + 'x>

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pub fn revert_non_force_write_changes(&mut self)

Reverts all non force write changes.

Note that dependencies will never be reverted.

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pub fn finalize( self ) -> Result<(IndexMap<NodeId, TrackedNode>, IndexSet<(NodeId, PartitionNumber)>), TrackFinalizeError>

Finalizes changes captured by this substate store.

Returns the state changes and dependencies.

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fn get_tracked_partition( &mut self, node_id: &NodeId, partition_num: PartitionNumber ) -> &mut TrackedPartition

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fn get_tracked_substate<E, F: FnMut(IOAccess) -> Result<(), E>>( &mut self, node_id: &NodeId, partition_number: PartitionNumber, substate_key: SubstateKey, on_io_access: &mut F ) -> Result<&mut TrackedSubstateValue, E>

Trait Implementations§

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impl<'s, S: SubstateDatabase, M: DatabaseKeyMapper + 'static> BootStore for Track<'s, S, M>

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fn read_substate( &self, node_id: &NodeId, partition_num: PartitionNumber, substate_key: &SubstateKey ) -> Option<IndexedScryptoValue>

Read a substate from the store
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impl<'s, S: SubstateDatabase, M: DatabaseKeyMapper + 'static> CommitableSubstateStore for Track<'s, S, M>

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fn mark_as_transient( &mut self, node_id: NodeId, partition_num: PartitionNumber, substate_key: SubstateKey )

Marks a substate as transient, or a substate which was never and will never be persisted
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fn create_node<E, F: FnMut(IOAccess) -> Result<(), E>>( &mut self, node_id: NodeId, node_substates: NodeSubstates, on_io_access: &mut F ) -> Result<(), E>

Inserts a node into the substate store. Read more
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fn get_tracked_substate_info( &mut self, node_id: &NodeId, partition_num: PartitionNumber, substate_key: &SubstateKey ) -> TrackedSubstateInfo

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fn get_substate<E, F: FnMut(IOAccess) -> Result<(), E>>( &mut self, node_id: &NodeId, partition_num: PartitionNumber, substate_key: &SubstateKey, on_io_access: &mut F ) -> Result<Option<&IndexedScryptoValue>, E>

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fn set_substate<E, F: FnMut(IOAccess) -> Result<(), E>>( &mut self, node_id: NodeId, partition_number: PartitionNumber, substate_key: SubstateKey, substate_value: IndexedScryptoValue, on_io_access: &mut F ) -> Result<(), E>

Inserts a substate into the substate store. Read more
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fn force_write( &mut self, node_id: &NodeId, partition_num: &PartitionNumber, substate_key: &SubstateKey )

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fn remove_substate<E, F: FnMut(IOAccess) -> Result<(), E>>( &mut self, node_id: &NodeId, partition_number: PartitionNumber, substate_key: &SubstateKey, on_io_access: &mut F ) -> Result<Option<IndexedScryptoValue>, E>

Deletes a substate from the substate store. Read more
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fn scan_keys<K: SubstateKeyContent + 'static, E, F: FnMut(IOAccess) -> Result<(), E>>( &mut self, node_id: &NodeId, partition_number: PartitionNumber, limit: u32, on_io_access: &mut F ) -> Result<Vec<SubstateKey>, E>

Returns Substate Keys of maximum count for a given partition. Read more
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fn drain_substates<K: SubstateKeyContent + 'static, E, F: FnMut(IOAccess) -> Result<(), E>>( &mut self, node_id: &NodeId, partition_number: PartitionNumber, limit: u32, on_io_access: &mut F ) -> Result<Vec<(SubstateKey, IndexedScryptoValue)>, E>

Removes substates of maximum count for a given partition. Read more
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fn scan_sorted_substates<E, F: FnMut(IOAccess) -> Result<(), E>>( &mut self, node_id: &NodeId, partition_number: PartitionNumber, limit: u32, on_io_access: &mut F ) -> Result<Vec<(SortedKey, IndexedScryptoValue)>, E>

Returns tuple of substate vector and boolean which is true for the first database access.
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fn delete_partition(&mut self, node_id: &NodeId, partition_num: PartitionNumber)

Note: unstable interface, for intent transaction tracker only
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fn get_commit_info(&mut self) -> StoreCommitInfo

Return the commit info
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fn read_substate( &mut self, node_id: &NodeId, partition_num: PartitionNumber, substate_key: &SubstateKey ) -> Option<&IndexedScryptoValue>

Auto Trait Implementations§

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impl<'s, S, M> !RefUnwindSafe for Track<'s, S, M>

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impl<'s, S, M> Send for Track<'s, S, M>
where M: Send, S: Sync,

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impl<'s, S, M> !Sync for Track<'s, S, M>

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impl<'s, S, M> Unpin for Track<'s, S, M>
where M: Unpin,

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impl<'s, S, M> !UnwindSafe for Track<'s, S, M>

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impl<T> Any for T
where T: 'static + ?Sized,

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