Struct linera_storage :: DbStorage Copy item path

impl<Store> DbStorage<Store, WallClock>
where Store: KeyValueStore + Clone + Send + Sync + 'static, Store::Error: Send + Sync,

pub async fn initialize( config: Store::Config, namespace: &str, root_key: &[u8], wasm_runtime: Option<WasmRuntime>, ) -> Result<Self, Store::Error>

pub async fn new( config: Store::Config, namespace: &str, root_key: &[u8], wasm_runtime: Option<WasmRuntime>, ) -> Result<Self, Store::Error>

impl<Store> DbStorage<Store, TestClock>
where Store: TestKeyValueStore + Clone + Send + Sync + 'static, Store::Error: Send + Sync,

pub async fn make_test_storage(wasm_runtime: Option<WasmRuntime>) -> Self

pub async fn new_for_testing( config: Store::Config, namespace: &str, root_key: &[u8], wasm_runtime: Option<WasmRuntime>, clock: TestClock, ) -> Result<Self, Store::Error>

Trait Implementations§

impl<Store: Clone, Clock: Clone> Clone for DbStorage<Store, Clock>

fn clone(&self) -> DbStorage<Store, Clock>

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl<Store, C> Storage for DbStorage<Store, C>
where Store: KeyValueStore + Clone + Send + Sync + 'static, C: Clock + Clone + Send + Sync + 'static, Store::Error: Send + Sync,

type Context = ViewContext<ChainRuntimeContext<DbStorage<Store, C>>, Store>

The low-level storage implementation in use.

type Clock = C

The clock type being used.

fn clock(&self) -> &C

Returns the current wall clock time.

fn load_chain<'life0, 'async_trait>( &'life0 self, chain_id: ChainId, ) -> Pin<Box<dyn Future<Output = Result<ChainStateView<Self::Context>, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Loads the view of a chain state. Read more

fn contains_blob<'life0, 'async_trait>( &'life0 self, blob_id: BlobId, ) -> Pin<Box<dyn Future<Output = Result<bool, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Tests the existence of a blob with the given blob ID.

fn missing_blobs<'life0, 'life1, 'async_trait>( &'life0 self, blob_ids: &'life1 [BlobId], ) -> Pin<Box<dyn Future<Output = Result<Vec<BlobId>, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Returns what blobs from the input are missing from storage.

fn contains_blob_state<'life0, 'async_trait>( &'life0 self, blob_id: BlobId, ) -> Pin<Box<dyn Future<Output = Result<bool, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Tests existence of a blob state with the given blob ID.

fn read_hashed_confirmed_block<'life0, 'async_trait>( &'life0 self, hash: CryptoHash, ) -> Pin<Box<dyn Future<Output = Result<Hashed<ConfirmedBlock>, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Reads the hashed certificate value with the given hash.

fn read_blob<'life0, 'async_trait>( &'life0 self, blob_id: BlobId, ) -> Pin<Box<dyn Future<Output = Result<Blob, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Reads the blob with the given blob ID.

fn read_blobs<'life0, 'life1, 'async_trait>( &'life0 self, blob_ids: &'life1 [BlobId], ) -> Pin<Box<dyn Future<Output = Result<Vec<Option<Blob>>, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Reads the blobs with the given blob IDs.

fn read_blob_state<'life0, 'async_trait>( &'life0 self, blob_id: BlobId, ) -> Pin<Box<dyn Future<Output = Result<BlobState, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Reads the blob state with the given blob ID.

fn read_blob_states<'life0, 'life1, 'async_trait>( &'life0 self, blob_ids: &'life1 [BlobId], ) -> Pin<Box<dyn Future<Output = Result<Vec<BlobState>, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Reads the blob states with the given blob IDs.

fn read_hashed_confirmed_blocks_downward<'life0, 'async_trait>( &'life0 self, from: CryptoHash, limit: u32, ) -> Pin<Box<dyn Future<Output = Result<Vec<Hashed<ConfirmedBlock>>, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Reads the hashed certificate values in descending order from the given hash.

fn write_blob<'life0, 'life1, 'async_trait>( &'life0 self, blob: &'life1 Blob, ) -> Pin<Box<dyn Future<Output = Result<(), ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Writes the given blob.

fn maybe_write_blob_state<'life0, 'async_trait>( &'life0 self, blob_id: BlobId, blob_state: BlobState, ) -> Pin<Box<dyn Future<Output = Result<Epoch, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Attempts to write the given blob state. Returns the latest Epoch to have used this blob.

fn maybe_write_blob_states<'life0, 'life1, 'async_trait>( &'life0 self, blob_ids: &'life1 [BlobId], blob_state: BlobState, overwrite: bool, ) -> Pin<Box<dyn Future<Output = Result<Vec<Epoch>, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Attempts to write the given blob state. Returns the latest Epoch to have used this blob.

fn write_blob_state<'life0, 'life1, 'async_trait>( &'life0 self, blob_id: BlobId, blob_state: &'life1 BlobState, ) -> Pin<Box<dyn Future<Output = Result<(), ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Writes the given blob state.

fn maybe_write_blobs<'life0, 'life1, 'async_trait>( &'life0 self, blobs: &'life1 [Blob], ) -> Pin<Box<dyn Future<Output = Result<Vec<bool>, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Writes the given blobs, but only if they already have a blob state. Returns true for the blobs that were written.

fn write_blobs<'life0, 'life1, 'async_trait>( &'life0 self, blobs: &'life1 [Blob], ) -> Pin<Box<dyn Future<Output = Result<(), ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Writes several blobs.

fn write_blobs_and_certificate<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, blobs: &'life1 [Blob], certificate: &'life2 ConfirmedBlockCertificate, ) -> Pin<Box<dyn Future<Output = Result<(), ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Writes blobs and certificate

fn contains_certificate<'life0, 'async_trait>( &'life0 self, hash: CryptoHash, ) -> Pin<Box<dyn Future<Output = Result<bool, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Tests existence of the certificate with the given hash.

fn read_certificate<'life0, 'async_trait>( &'life0 self, hash: CryptoHash, ) -> Pin<Box<dyn Future<Output = Result<ConfirmedBlockCertificate, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Reads the certificate with the given hash.

fn read_certificates<'life0, 'async_trait, I>( &'life0 self, hashes: I, ) -> Pin<Box<dyn Future<Output = Result<Vec<ConfirmedBlockCertificate>, ViewError>> + Send + 'async_trait>>
where I: 'async_trait + IntoIterator<Item = CryptoHash> + Send, Self: 'async_trait, 'life0: 'async_trait,

Reads a number of certificates

fn read_event<'life0, 'async_trait>( &'life0 self, event_id: EventId, ) -> Pin<Box<dyn Future<Output = Result<Vec<u8>, ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Reads the event with the given ID.

fn write_events<'life0, 'async_trait>( &'life0 self, events: impl 'async_trait + IntoIterator<Item = (EventId, Vec<u8>)> + Send, ) -> Pin<Box<dyn Future<Output = Result<(), ViewError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Writes a vector of events.

fn wasm_runtime(&self) -> Option<WasmRuntime>

Selects the WebAssembly runtime to use for applications (if any).

fn load_active_chain<'life0, 'async_trait>( &'life0 self, id: ChainId, ) -> Pin<Box<dyn Future<Output = Result<ChainStateView<Self::Context>, ChainError>> + Send + 'async_trait>>
where ChainRuntimeContext<Self>: ExecutionRuntimeContext, Self: Sync + 'async_trait, 'life0: 'async_trait,

Loads the view of a chain state and checks that it is active. Read more

fn create_chain<'life0, 'async_trait>( &'life0 self, committee: Committee, admin_id: ChainId, description: ChainDescription, owner: Owner, balance: Amount, timestamp: Timestamp, ) -> Pin<Box<dyn Future<Output = Result<(), ChainError>> + Send + 'async_trait>>
where ChainRuntimeContext<Self>: ExecutionRuntimeContext, Self: Sync + 'async_trait, 'life0: 'async_trait,

Initializes a chain in a simple way (used for testing and to create a genesis state). Read more

fn load_contract<'life0, 'life1, 'async_trait>( &'life0 self, application_description: &'life1 UserApplicationDescription, ) -> Pin<Box<dyn Future<Output = Result<UserContractCode, ExecutionError>> + Send + 'async_trait>>
where Self: Sync + 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Creates a UserContractCode instance using the bytecode in storage referenced by the application_description.

fn load_service<'life0, 'life1, 'async_trait>( &'life0 self, application_description: &'life1 UserApplicationDescription, ) -> Pin<Box<dyn Future<Output = Result<UserServiceCode, ExecutionError>> + Send + 'async_trait>>
where Self: Sync + 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Creates a [linera-sdk::UserContract] instance using the bytecode in storage referenced by the application_description.

Auto Trait Implementations§

impl<Store, Clock> Freeze for DbStorage<Store, Clock>
where Clock: Freeze,

impl<Store, Clock> !RefUnwindSafe for DbStorage<Store, Clock>

impl<Store, Clock> Send for DbStorage<Store, Clock>
where Clock: Send, Store: Sync + Send,

impl<Store, Clock> Sync for DbStorage<Store, Clock>
where Clock: Sync, Store: Sync + Send,

impl<Store, Clock> Unpin for DbStorage<Store, Clock>
where Clock: Unpin,

impl<Store, Clock> !UnwindSafe for DbStorage<Store, Clock>

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