pub struct OffchainOverlayedChanges(/* private fields */);
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(
&mut self,
) -> impl Iterator<Item = (&'_ (Vec<u8>, Vec<u8>), &'_ OffchainOverlayedChange)>
pub fn iter( &mut 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(
&mut self,
prefix: &[u8],
key: &[u8],
) -> Option<OffchainOverlayedChange>
pub fn get( &mut self, prefix: &[u8], key: &[u8], ) -> Option<OffchainOverlayedChange>
Obtain a associated value to the given key in storage with prefix.
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 Freeze for OffchainOverlayedChanges
impl RefUnwindSafe for OffchainOverlayedChanges
impl Send for OffchainOverlayedChanges
impl Sync for OffchainOverlayedChanges
impl Unpin for OffchainOverlayedChanges
impl UnwindSafe for OffchainOverlayedChanges
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