Module sc_client_api::backend

Expand description

Substrate Client data backend

Structs

Import operation wrapper.

Finalization operation summary.

Import operation summary.

Multiple key value state. States are ordered by root storage key.

An Iterator that iterates keys in a given block under a prefix.

An Iterator that iterates keys and values in a given block under a prefix.

Describes which block import notification stream should be notified.

State of a new block.

Provides access to an auxiliary database.

Client backend.

Block insertion operation.

Finalize Facilities

Mark for all Backend implementations, that are making use of state data, stored locally.

Interface for performing operations on the backend.

A state backend is used to read state data and can have changes committed to it.

Provides access to storage primitives

Helper function to apply auxiliary data insertion into an operation.

Extracts the state backend type for the given backend.

Extracts the transaction for the given backend.

Extracts the transaction for the given state backend.