Struct sp_state_machine::Ext
source · [−]Expand description
Wraps a read-only backend, call executor, and current overlayed changes.
Fields
id: u16
Pseudo-unique id used for tracing.
Implementations
sourceimpl<'a, H, B> Ext<'a, H, B> where
H: Hasher,
B: Backend<H>,
impl<'a, H, B> Ext<'a, H, B> where
H: Hasher,
B: Backend<H>,
sourcepub fn new(
overlay: &'a mut OverlayedChanges,
storage_transaction_cache: &'a mut StorageTransactionCache<B::Transaction, H>,
backend: &'a B,
extensions: Option<&'a mut Extensions>
) -> Self
pub fn new(
overlay: &'a mut OverlayedChanges,
storage_transaction_cache: &'a mut StorageTransactionCache<B::Transaction, H>,
backend: &'a B,
extensions: Option<&'a mut Extensions>
) -> Self
Create a new Ext
from overlayed changes and read-only backend
Trait Implementations
sourceimpl<'a, H, B> ExtensionStore for Ext<'a, H, B> where
H: Hasher,
B: 'a + Backend<H>,
impl<'a, H, B> ExtensionStore for Ext<'a, H, B> where
H: Hasher,
B: 'a + Backend<H>,
sourcefn extension_by_type_id(&mut self, type_id: TypeId) -> Option<&mut dyn Any>
fn extension_by_type_id(&mut self, type_id: TypeId) -> Option<&mut dyn Any>
Tries to find a registered extension by the given type_id
and returns it as a &mut dyn Any
. Read more
sourceimpl<'a, H, B> Externalities for Ext<'a, H, B> where
H: Hasher,
H::Out: Ord + 'static + Codec,
B: Backend<H>,
impl<'a, H, B> Externalities for Ext<'a, H, B> where
H: Hasher,
H::Out: Ord + 'static + Codec,
B: Backend<H>,
sourcefn storage_renew_transaction_index(&mut self, index: u32, hash: &[u8])
fn storage_renew_transaction_index(&mut self, index: u32, hash: &[u8])
Renew existing piece of data storage.
sourcefn set_offchain_storage(&mut self, key: &[u8], value: Option<&[u8]>)
fn set_offchain_storage(&mut self, key: &[u8], value: Option<&[u8]>)
Write a key value pair to the offchain storage database.
sourcefn child_storage(
&self,
child_info: &ChildInfo,
key: &[u8]
) -> Option<StorageValue>
fn child_storage(
&self,
child_info: &ChildInfo,
key: &[u8]
) -> Option<StorageValue>
Read child runtime storage. Read more
sourcefn child_storage_hash(
&self,
child_info: &ChildInfo,
key: &[u8]
) -> Option<Vec<u8>>
fn child_storage_hash(
&self,
child_info: &ChildInfo,
key: &[u8]
) -> Option<Vec<u8>>
Get child storage value hash. Read more
sourcefn exists_child_storage(&self, child_info: &ChildInfo, key: &[u8]) -> bool
fn exists_child_storage(&self, child_info: &ChildInfo, key: &[u8]) -> bool
Whether a child storage entry exists.
sourcefn next_storage_key(&self, key: &[u8]) -> Option<StorageKey>
fn next_storage_key(&self, key: &[u8]) -> Option<StorageKey>
Returns the key immediately following the given key, if it exists.
sourcefn next_child_storage_key(
&self,
child_info: &ChildInfo,
key: &[u8]
) -> Option<StorageKey>
fn next_child_storage_key(
&self,
child_info: &ChildInfo,
key: &[u8]
) -> Option<StorageKey>
Returns the key immediately following the given key, if it exists, in child storage.
sourcefn place_storage(&mut self, key: StorageKey, value: Option<StorageValue>)
fn place_storage(&mut self, key: StorageKey, value: Option<StorageValue>)
Set or clear a storage entry (key
) of current contract being called (effective
immediately). Read more
sourcefn place_child_storage(
&mut self,
child_info: &ChildInfo,
key: StorageKey,
value: Option<StorageValue>
)
fn place_child_storage(
&mut self,
child_info: &ChildInfo,
key: StorageKey,
value: Option<StorageValue>
)
Set or clear a child storage entry.
sourcefn kill_child_storage(
&mut self,
child_info: &ChildInfo,
limit: Option<u32>
) -> (bool, u32)
fn kill_child_storage(
&mut self,
child_info: &ChildInfo,
limit: Option<u32>
) -> (bool, u32)
Clear an entire child storage. Read more
sourcefn clear_prefix(&mut self, prefix: &[u8], limit: Option<u32>) -> (bool, u32)
fn clear_prefix(&mut self, prefix: &[u8], limit: Option<u32>) -> (bool, u32)
Clear storage entries which keys are start with the given prefix. Read more
sourcefn clear_child_prefix(
&mut self,
child_info: &ChildInfo,
prefix: &[u8],
limit: Option<u32>
) -> (bool, u32)
fn clear_child_prefix(
&mut self,
child_info: &ChildInfo,
prefix: &[u8],
limit: Option<u32>
) -> (bool, u32)
Clear child storage entries which keys are start with the given prefix. Read more
sourcefn storage_root(&mut self, state_version: StateVersion) -> Vec<u8>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where
A: Allocator,
fn storage_root(&mut self, state_version: StateVersion) -> Vec<u8>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where
A: Allocator,
A: Allocator,
Get the trie root of the current storage map. Read more
sourcefn child_storage_root(
&mut self,
child_info: &ChildInfo,
state_version: StateVersion
) -> Vec<u8>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where
A: Allocator,
fn child_storage_root(
&mut self,
child_info: &ChildInfo,
state_version: StateVersion
) -> Vec<u8>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where
A: Allocator,
A: Allocator,
Get the trie root of a child storage map. Read more
sourcefn storage_index_transaction(&mut self, index: u32, hash: &[u8], size: u32)
fn storage_index_transaction(&mut self, index: u32, hash: &[u8], size: u32)
Index specified transaction slice and store it.
sourcefn storage_start_transaction(&mut self)
fn storage_start_transaction(&mut self)
Start a new nested transaction. Read more
sourcefn storage_rollback_transaction(&mut self) -> Result<(), ()>
fn storage_rollback_transaction(&mut self) -> Result<(), ()>
Rollback the last transaction started by storage_start_transaction
. Read more
sourcefn storage_commit_transaction(&mut self) -> Result<(), ()>
fn storage_commit_transaction(&mut self) -> Result<(), ()>
Commit the last transaction started by storage_start_transaction
. Read more
sourcefn wipe(&mut self)
fn wipe(&mut self)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more
sourcefn commit(&mut self)
fn commit(&mut self)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more
sourcefn read_write_count(&self) -> (u32, u32, u32, u32)
fn read_write_count(&self) -> (u32, u32, u32, u32)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more
sourcefn reset_read_write_count(&mut self)
fn reset_read_write_count(&mut self)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more
sourcefn get_whitelist(&self) -> Vec<TrackedStorageKey>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where
A: Allocator,
fn get_whitelist(&self) -> Vec<TrackedStorageKey>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where
A: Allocator,
A: Allocator,
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more
sourcefn set_whitelist(&mut self, new: Vec<TrackedStorageKey>)
fn set_whitelist(&mut self, new: Vec<TrackedStorageKey>)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more
sourcefn proof_size(&self) -> Option<u32>
fn proof_size(&self) -> Option<u32>
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more
sourcefn get_read_and_written_keys(&self) -> Vec<(Vec<u8>, u32, u32, bool)>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where
A: Allocator,
fn get_read_and_written_keys(&self) -> Vec<(Vec<u8>, u32, u32, bool)>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where
A: Allocator,
A: Allocator,
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more
sourcefn set_storage(&mut self, key: Vec<u8, Global>, value: Vec<u8, Global>)
fn set_storage(&mut self, key: Vec<u8, Global>, value: Vec<u8, Global>)
Set storage entry key
of current contract being called (effective immediately).
sourcefn set_child_storage(
&mut self,
child_info: &ChildInfo,
key: Vec<u8, Global>,
value: Vec<u8, Global>
)
fn set_child_storage(
&mut self,
child_info: &ChildInfo,
key: Vec<u8, Global>,
value: Vec<u8, Global>
)
Set child storage entry key
of current contract being called (effective immediately).
sourcefn clear_storage(&mut self, key: &[u8])
fn clear_storage(&mut self, key: &[u8])
Clear a storage entry (key
) of current contract being called (effective immediately).
Auto Trait Implementations
impl<'a, H, B> !RefUnwindSafe for Ext<'a, H, B>
impl<'a, H, B> Send for Ext<'a, H, B> where
B: Sync,
impl<'a, H, B> !Sync for Ext<'a, H, B>
impl<'a, H, B> Unpin for Ext<'a, H, B>
impl<'a, H, B> !UnwindSafe for Ext<'a, H, B>
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Downcast for T where
T: Any,
impl<T> Downcast for T where
T: Any,
pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘNotable traits for Box<R, Global>impl<R> Read for Box<R, Global> where
R: Read + ?Sized, impl<W> Write for Box<W, Global> where
W: Write + ?Sized, impl<I, A> Iterator for Box<I, A> where
I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;impl<F, A> Future for Box<F, A> where
F: Future + Unpin + ?Sized,
A: Allocator + 'static, type Output = <F as Future>::Output;
pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘNotable traits for Box<R, Global>impl<R> Read for Box<R, Global> where
R: Read + ?Sized, impl<W> Write for Box<W, Global> where
W: Write + ?Sized, impl<I, A> Iterator for Box<I, A> where
I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;impl<F, A> Future for Box<F, A> where
F: Future + Unpin + ?Sized,
A: Allocator + 'static, type Output = <F as Future>::Output;
R: Read + ?Sized, impl<W> Write for Box<W, Global> where
W: Write + ?Sized, impl<I, A> Iterator for Box<I, A> where
I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;impl<F, A> Future for Box<F, A> where
F: Future + Unpin + ?Sized,
A: Allocator + 'static, type Output = <F as Future>::Output;
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 more
pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
pub 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 more
pub fn as_any(&self) -> &(dyn Any + 'static)
pub 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 more
pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
pub 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 more
sourceimpl<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 T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,
impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,
sourceimpl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,
impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,
sourcepub fn unchecked_into(self) -> T
pub fn unchecked_into(self) -> T
The counterpart to unchecked_from
.
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
pub fn vzip(self) -> V
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more