Module providers

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.
• 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].

Enums

• ConsistentViewError
  Consistent database view error.
• StaticFileAccess
  Access mode on a static file provider. RO/RW.

Traits

• 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.
• NodeTypesForTree
  A helper trait with requirements for NodeTypesForProvider to be used within legacy blockchain tree.
• ProviderNodeTypes
  Helper trait keeping common requirements of providers for NodeTypesWithDB.
• StaticFileWriter
  Helper trait to manage different StaticFileProviderRW of an Arc<StaticFileProvider
• TreeNodeTypes
  Helper trait with requirements for ProviderNodeTypes to be used within legacy blockchain tree.

Type Aliases

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