Struct sp_core::offchain::storage::OffchainDb

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pub struct OffchainDb<Storage> { /* private fields */ }
Expand description

Offchain DB that implements DbExternalities for OffchainStorage.

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impl<Storage> OffchainDb<Storage>

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pub fn new(persistent: Storage) -> Self

Create new instance of Offchain DB.

Trait Implementations§

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impl<Storage: Clone> Clone for OffchainDb<Storage>

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fn clone(&self) -> OffchainDb<Storage>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<Storage: OffchainStorage> DbExternalities for OffchainDb<Storage>

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fn local_storage_set(&mut self, kind: StorageKind, key: &[u8], value: &[u8])

Sets a value in the local storage. Read more
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fn local_storage_clear(&mut self, kind: StorageKind, key: &[u8])

Removes a value in the local storage. Read more
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fn local_storage_compare_and_set( &mut self, kind: StorageKind, key: &[u8], old_value: Option<&[u8]>, new_value: &[u8], ) -> bool

Sets a value in the local storage if it matches current value. Read more
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fn local_storage_get( &mut self, kind: StorageKind, key: &[u8], ) -> Option<Vec<u8>>

Gets a value from the local storage. Read more
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impl<Storage: Debug> Debug for OffchainDb<Storage>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<Storage> Freeze for OffchainDb<Storage>
where Storage: Freeze,

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impl<Storage> RefUnwindSafe for OffchainDb<Storage>
where Storage: RefUnwindSafe,

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impl<Storage> Send for OffchainDb<Storage>
where Storage: Send,

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impl<Storage> Sync for OffchainDb<Storage>
where Storage: Sync,

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impl<Storage> Unpin for OffchainDb<Storage>
where Storage: Unpin,

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impl<Storage> UnwindSafe for OffchainDb<Storage>
where Storage: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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fn borrow_mut(&mut self) -> &mut T

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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Causes self to use its Binary implementation when Debug-formatted.
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where Self: UpperExp,

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