Module transactional

The primitives to work with storage in transactional mode.

Structs

InMemoryTransaction

In memory transaction accumulates Changes over the storage.

ReferenceBytesKey

The wrapper around the Vec<u8> that supports Borrow<[u8]>. It allows the use of bytes slices to do lookups in the collections.

Enums

ConflictPolicy

The policy to resolve the conflict during committing of the changes.

Traits

AtomicView

Provides an atomic view of the storage at the latest height at the moment of view instantiation. All modifications to the storage after this point will not affect the view.

HistoricalView

Provides an atomic view of the storage at the given height. The view is guaranteed to be unmodifiable for the given height.

IntoTransaction

The trait to convert the type into the storage transaction.

Modifiable

The type is modifiable and may commit the changes into the storage.

ReadTransaction

Creates a new instance of the storage read transaction.

WriteTransaction

Creates a new instance of the storage write transaction.

Type Aliases

Changes

The type describing the list of changes to the storage.

StorageTransaction

Storage transaction on top of the storage.