Module providers

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Available on crate feature provider only.

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Provider trait implementations. Contains the main provider types and traits for interacting with the blockchain’s storage.

Structs§

BlockchainProvider: The main type for interacting with the blockchain.
BundleStateProvider: A state provider that resolves to data from either a wrapped crate::ExecutionOutcome or an underlying state provider.
ConsistentDbView: A consistent view over state in the database.
DatabaseProvider: A provider struct that fetches data from the database. Wrapper around DbTx and DbTxMut. Example: HeaderProvider BlockHashReader
DatabaseProviderRW: A DatabaseProvider that holds a read-write database transaction.
HistoricalStateProvider: State provider for a given block number. For more detailed description, see HistoricalStateProviderRef.
HistoricalStateProviderRef: State provider for a given block number which takes a tx reference.
LatestStateProvider: State provider for the latest state.
LatestStateProviderRef: State provider over latest state that takes tx reference.
ProviderFactory: A common provider that fetches data from a database or static file.
ProviderFactoryBuilder: Helper type to create a ProviderFactory.
ReadOnlyConfig: Settings for how to open the database and static files.
StaticFileJarProvider: Provider over a specific NippyJar and range.
StaticFileProvider: StaticFileProvider manages all existing StaticFileJarProvider.
StaticFileProviderRW: Extends StaticFileProvider with writing capabilities
StaticFileProviderRWRefMut: Mutable reference to a StaticFileProviderRW behind a [RwLockWriteGuard].

ChainStorage: Trait that provides access to implementations of ChainStorage
EngineNodeTypes: Helper trait expressing requirements for node types to be used in engine.
NodeTypesForProvider: Helper trait to bound NodeTypes so that combined with database they satisfy ProviderNodeTypes.
ProviderNodeTypes: Helper trait keeping common requirements of providers for NodeTypesWithDB.
StaticFileWriter: Helper trait to manage different StaticFileProviderRW of an Arc<StaticFileProvider

DatabaseProviderRO: A DatabaseProvider that holds a read-only database transaction.