Struct sc_offchain::OffchainDb
source · pub struct OffchainDb<Storage> { /* private fields */ }
Expand description
Offchain DB that implements DbExternalities
for OffchainStorage
.
Implementations§
source§impl<Storage> OffchainDb<Storage>
impl<Storage> OffchainDb<Storage>
sourcepub fn new(persistent: Storage) -> OffchainDb<Storage>
pub fn new(persistent: Storage) -> OffchainDb<Storage>
Create new instance of Offchain DB.
Trait Implementations§
source§impl<Storage> Clone for OffchainDb<Storage>where
Storage: Clone,
impl<Storage> Clone for OffchainDb<Storage>where Storage: Clone,
source§fn clone(&self) -> OffchainDb<Storage>
fn clone(&self) -> OffchainDb<Storage>
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl<Storage> DbExternalities for OffchainDb<Storage>where
Storage: OffchainStorage,
impl<Storage> DbExternalities for OffchainDb<Storage>where Storage: OffchainStorage,
source§fn local_storage_set(&mut self, kind: StorageKind, key: &[u8], value: &[u8])
fn local_storage_set(&mut self, kind: StorageKind, key: &[u8], value: &[u8])
Sets a value in the local storage. Read more
source§fn local_storage_clear(&mut self, kind: StorageKind, key: &[u8])
fn local_storage_clear(&mut self, kind: StorageKind, key: &[u8])
Removes a value in the local storage. Read more
source§fn local_storage_compare_and_set(
&mut self,
kind: StorageKind,
key: &[u8],
old_value: Option<&[u8]>,
new_value: &[u8]
) -> bool
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
source§fn local_storage_get(
&mut self,
kind: StorageKind,
key: &[u8]
) -> Option<Vec<u8, Global>>
fn local_storage_get( &mut self, kind: StorageKind, key: &[u8] ) -> Option<Vec<u8, Global>>
Gets a value from the local storage. Read more
Auto Trait Implementations§
impl<Storage> RefUnwindSafe for OffchainDb<Storage>where Storage: RefUnwindSafe,
impl<Storage> Send for OffchainDb<Storage>where Storage: Send,
impl<Storage> Sync for OffchainDb<Storage>where Storage: Sync,
impl<Storage> Unpin for OffchainDb<Storage>where Storage: Unpin,
impl<Storage> UnwindSafe for OffchainDb<Storage>where Storage: UnwindSafe,
Blanket Implementations§
source§impl<T> CheckedConversion for T
impl<T> CheckedConversion for T
source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<T, Outer> IsWrappedBy<Outer> for Twhere
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,
impl<T, Outer> IsWrappedBy<Outer> for Twhere Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,
§impl<T> Pointable for T
impl<T> Pointable for T
source§impl<T> SaturatedConversion for T
impl<T> SaturatedConversion for T
source§fn saturated_from<T>(t: T) -> Selfwhere
Self: UniqueSaturatedFrom<T>,
fn saturated_from<T>(t: T) -> Selfwhere Self: UniqueSaturatedFrom<T>,
source§fn saturated_into<T>(self) -> Twhere
Self: UniqueSaturatedInto<T>,
fn saturated_into<T>(self) -> Twhere Self: UniqueSaturatedInto<T>,
Consume self to return an equivalent value of
T
. Read moresource§impl<S, T> UncheckedInto<T> for Swhere
T: UncheckedFrom<S>,
impl<S, T> UncheckedInto<T> for Swhere T: UncheckedFrom<S>,
source§fn unchecked_into(self) -> T
fn unchecked_into(self) -> T
The counterpart to
unchecked_from
.source§impl<T, S> UniqueSaturatedInto<T> for Swhere
T: Bounded,
S: TryInto<T>,
impl<T, S> UniqueSaturatedInto<T> for Swhere T: Bounded, S: TryInto<T>,
source§fn unique_saturated_into(self) -> T
fn unique_saturated_into(self) -> T
Consume self to return an equivalent value of
T
.