Struct sp_runtime::offchain::testing::TestPersistentOffchainDB
source · pub struct TestPersistentOffchainDB { /* private fields */ }
Expand description
Sharable “persistent” offchain storage for test.
Implementations
sourceimpl TestPersistentOffchainDB
impl TestPersistentOffchainDB
sourcepub fn new() -> TestPersistentOffchainDB
pub fn new() -> TestPersistentOffchainDB
Create a new and empty offchain storage db for persistent items
sourcepub fn apply_offchain_changes(
&mut self,
changes: impl Iterator<Item = ((Vec<u8, Global>, Vec<u8, Global>), OffchainOverlayedChange)>
)
pub fn apply_offchain_changes(
&mut self,
changes: impl Iterator<Item = ((Vec<u8, Global>, Vec<u8, Global>), OffchainOverlayedChange)>
)
Apply a set of off-chain changes directly to the test backend
Trait Implementations
sourceimpl Clone for TestPersistentOffchainDB
impl Clone for TestPersistentOffchainDB
sourcefn clone(&self) -> TestPersistentOffchainDB
fn clone(&self) -> TestPersistentOffchainDB
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresourceimpl Debug for TestPersistentOffchainDB
impl Debug for TestPersistentOffchainDB
sourceimpl Default for TestPersistentOffchainDB
impl Default for TestPersistentOffchainDB
sourcefn default() -> TestPersistentOffchainDB
fn default() -> TestPersistentOffchainDB
Returns the “default value” for a type. Read more
sourceimpl OffchainStorage for TestPersistentOffchainDB
impl OffchainStorage for TestPersistentOffchainDB
sourcefn set(&mut self, prefix: &[u8], key: &[u8], value: &[u8])
fn set(&mut self, prefix: &[u8], key: &[u8], value: &[u8])
Persist a value in storage under given key and prefix.
sourcefn remove(&mut self, prefix: &[u8], key: &[u8])
fn remove(&mut self, prefix: &[u8], key: &[u8])
Clear a storage entry under given key and prefix.
Auto Trait Implementations
impl !RefUnwindSafe for TestPersistentOffchainDB
impl Send for TestPersistentOffchainDB
impl Sync for TestPersistentOffchainDB
impl Unpin for TestPersistentOffchainDB
impl !UnwindSafe for TestPersistentOffchainDB
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> CheckedConversion for T
impl<T> CheckedConversion for T
sourcefn checked_from<T>(t: T) -> Option<Self>where
Self: TryFrom<T>,
fn checked_from<T>(t: T) -> Option<Self>where
Self: TryFrom<T>,
sourcefn checked_into<T>(self) -> Option<T>where
Self: TryInto<T>,
fn checked_into<T>(self) -> Option<T>where
Self: TryInto<T>,
impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>
fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>
Convert
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
. Read morefn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
Convert
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
. Read morefn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
Convert
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s. Read morefn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Convert
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s. Read moresourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<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
sourceimpl<T> SaturatedConversion for T
impl<T> SaturatedConversion for T
sourcefn saturated_from<T>(t: T) -> Selfwhere
Self: UniqueSaturatedFrom<T>,
fn saturated_from<T>(t: T) -> Selfwhere
Self: UniqueSaturatedFrom<T>,
sourcefn 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 moresourceimpl<S, T> UncheckedInto<T> for Swhere
T: UncheckedFrom<S>,
impl<S, T> UncheckedInto<T> for Swhere
T: UncheckedFrom<S>,
sourcefn unchecked_into(self) -> T
fn unchecked_into(self) -> T
The counterpart to
unchecked_from
.sourceimpl<T, S> UniqueSaturatedInto<T> for Swhere
T: Bounded,
S: TryInto<T>,
impl<T, S> UniqueSaturatedInto<T> for Swhere
T: Bounded,
S: TryInto<T>,
sourcefn unique_saturated_into(self) -> T
fn unique_saturated_into(self) -> T
Consume self to return an equivalent value of
T
.