pub struct OffchainOverlayedChanges(_);
Expand description
In-memory storage for offchain workers recoding changes for the actual offchain storage implementation.
Implementations§
source§impl OffchainOverlayedChanges
impl OffchainOverlayedChanges
sourcepub fn into_iter(
self
) -> impl Iterator<Item = ((Vec<u8>, Vec<u8>), OffchainOverlayedChange)>
pub fn into_iter( self ) -> impl Iterator<Item = ((Vec<u8>, Vec<u8>), OffchainOverlayedChange)>
Consume the offchain storage and iterate over all key value pairs.
sourcepub fn iter(
&self
) -> impl Iterator<Item = (&'_ (Vec<u8>, Vec<u8>), &'_ OffchainOverlayedChange)>
pub fn iter( &self ) -> impl Iterator<Item = (&'_ (Vec<u8>, Vec<u8>), &'_ OffchainOverlayedChange)>
Iterate over all key value pairs by reference.
sourcepub fn drain(
&mut self
) -> impl Iterator<Item = ((Vec<u8>, Vec<u8>), OffchainOverlayedChange)>
pub fn drain( &mut self ) -> impl Iterator<Item = ((Vec<u8>, Vec<u8>), OffchainOverlayedChange)>
Drain all elements of changeset.
sourcepub fn remove(&mut self, prefix: &[u8], key: &[u8])
pub fn remove(&mut self, prefix: &[u8], key: &[u8])
Remove a key and its associated value from the offchain database.
sourcepub fn set(&mut self, prefix: &[u8], key: &[u8], value: &[u8])
pub fn set(&mut self, prefix: &[u8], key: &[u8], value: &[u8])
Set the value associated with a key under a prefix to the value provided.
sourcepub fn get(&self, prefix: &[u8], key: &[u8]) -> Option<OffchainOverlayedChange>
pub fn get(&self, prefix: &[u8], key: &[u8]) -> Option<OffchainOverlayedChange>
Obtain a associated value to the given key in storage with prefix.
sourcepub fn overlay(
&self
) -> &OverlayedMap<(Vec<u8>, Vec<u8>), OffchainOverlayedChange>
pub fn overlay( &self ) -> &OverlayedMap<(Vec<u8>, Vec<u8>), OffchainOverlayedChange>
Reference to inner change set.
sourcepub fn overlay_mut(
&mut self
) -> &mut OverlayedMap<(Vec<u8>, Vec<u8>), OffchainOverlayedChange>
pub fn overlay_mut( &mut self ) -> &mut OverlayedMap<(Vec<u8>, Vec<u8>), OffchainOverlayedChange>
Mutable reference to inner change set.
Trait Implementations§
source§impl Clone for OffchainOverlayedChanges
impl Clone for OffchainOverlayedChanges
source§fn clone(&self) -> OffchainOverlayedChanges
fn clone(&self) -> OffchainOverlayedChanges
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 Debug for OffchainOverlayedChanges
impl Debug for OffchainOverlayedChanges
source§impl Default for OffchainOverlayedChanges
impl Default for OffchainOverlayedChanges
source§fn default() -> OffchainOverlayedChanges
fn default() -> OffchainOverlayedChanges
Returns the “default value” for a type. Read more
Auto Trait Implementations§
impl RefUnwindSafe for OffchainOverlayedChanges
impl Send for OffchainOverlayedChanges
impl Sync for OffchainOverlayedChanges
impl Unpin for OffchainOverlayedChanges
impl UnwindSafe for OffchainOverlayedChanges
Blanket Implementations§
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<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
.