Module sc_client_api::backend[−][src]

Substrate Client data backend

Structs

ClientImportOperation	Import operation wrapper
ImportSummary	Import operation summary.
KeyIterator	An `Iterator` that iterates keys in a given block under a prefix.

State of a new block.

AuxStore	Provides access to an auxiliary database.
Backend	Client backend.
BlockImportOperation	Block insertion operation.
Finalizer	Finalize Facilities
LocalBackend	Mark for all Backend implementations, that are making use of state data, stored locally.
LockImportRun	Interface for performing operations on the backend.
ProvideChtRoots	Provide CHT roots. These are stored on a light client and generated dynamically on a full client.
PrunableStateChangesTrieStorage	Changes trie storage that supports pruning.
RemoteBackend	Mark for all Backend implementations, that are fetching required state data from remote nodes.
StateBackend	A state backend is used to read state data and can have changes committed to it.
StorageProvider	Provides acess to storage primitives

apply_aux	Helper function to apply auxiliary data insertion into an operation.
changes_tries_state_at_block	Return changes tries state at given block.

StateBackendFor	Extracts the state backend type for the given backend.
TransactionFor	Extracts the transaction for the given backend.
TransactionForSB	Extracts the transaction for the given state backend.