Struct sc_rpc::state::ChildState [−][src]
pub struct ChildState<Block, Client> { /* fields omitted */ }Expand description
Child state API with subscriptions support.
Trait Implementations
impl<Block, Client> ChildStateApi<<Block as Block>::Hash> for ChildState<Block, Client> where
Block: BlockT + 'static,
Client: Send + Sync + 'static,
impl<Block, Client> ChildStateApi<<Block as Block>::Hash> for ChildState<Block, Client> where
Block: BlockT + 'static,
Client: Send + Sync + 'static,
fn read_child_proof(
&self,
child_storage_key: PrefixedStorageKey,
keys: Vec<StorageKey>,
block: Option<Block::Hash>
) -> FutureResult<ReadProof<Block::Hash>>
fn read_child_proof(
&self,
child_storage_key: PrefixedStorageKey,
keys: Vec<StorageKey>,
block: Option<Block::Hash>
) -> FutureResult<ReadProof<Block::Hash>>
Returns proof of storage for child key entries at a specific block’s state.
fn storage(
&self,
storage_key: PrefixedStorageKey,
key: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Option<StorageData>>
fn storage(
&self,
storage_key: PrefixedStorageKey,
key: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Option<StorageData>>
Returns a child storage entry at a specific block’s state.
fn storage_entries(
&self,
storage_key: PrefixedStorageKey,
keys: Vec<StorageKey>,
block: Option<Block::Hash>
) -> FutureResult<Vec<Option<StorageData>>>
fn storage_entries(
&self,
storage_key: PrefixedStorageKey,
keys: Vec<StorageKey>,
block: Option<Block::Hash>
) -> FutureResult<Vec<Option<StorageData>>>
Returns child storage entries for multiple keys at a specific block’s state.
fn storage_keys(
&self,
storage_key: PrefixedStorageKey,
key_prefix: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Vec<StorageKey>>
fn storage_keys(
&self,
storage_key: PrefixedStorageKey,
key_prefix: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Vec<StorageKey>>
DEPRECATED: Please use childstate_getKeysPaged with proper paging support.
Returns the keys with prefix from a child storage, leave empty to get all the keys Read more
fn storage_keys_paged(
&self,
storage_key: PrefixedStorageKey,
prefix: Option<StorageKey>,
count: u32,
start_key: Option<StorageKey>,
block: Option<Block::Hash>
) -> FutureResult<Vec<StorageKey>>
fn storage_keys_paged(
&self,
storage_key: PrefixedStorageKey,
prefix: Option<StorageKey>,
count: u32,
start_key: Option<StorageKey>,
block: Option<Block::Hash>
) -> FutureResult<Vec<StorageKey>>
Returns the keys with prefix from a child storage with pagination support.
Up to count keys will be returned.
If start_key is passed, return next keys in storage in lexicographic order. Read more
fn storage_hash(
&self,
storage_key: PrefixedStorageKey,
key: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Option<Block::Hash>>
fn storage_hash(
&self,
storage_key: PrefixedStorageKey,
key: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Option<Block::Hash>>
Returns the hash of a child storage entry at a block’s state.
fn storage_size(
&self,
storage_key: PrefixedStorageKey,
key: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Option<u64>>
fn storage_size(
&self,
storage_key: PrefixedStorageKey,
key: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Option<u64>>
Returns the size of a child storage entry at a block’s state.
fn to_delegate(self) -> IoDelegate<Self, Self::Metadata> where
Hash: 'static + Send + Sync + Serialize + DeserializeOwned,
fn to_delegate(self) -> IoDelegate<Self, Self::Metadata> where
Hash: 'static + Send + Sync + Serialize + DeserializeOwned,
Create an IoDelegate, wiring rpc calls to the trait methods.
Auto Trait Implementations
impl<Block, Client> !RefUnwindSafe for ChildState<Block, Client>
impl<Block, Client> Send for ChildState<Block, Client>
impl<Block, Client> Sync for ChildState<Block, Client>
impl<Block, Client> Unpin for ChildState<Block, Client>
impl<Block, Client> !UnwindSafe for ChildState<Block, Client>
Blanket Implementations
Mutably borrows from an owned value. Read more
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
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
Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot
generate &Any’s vtable from &Trait’s. Read more
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
Causes self to use its Binary implementation when Debug-formatted.
Causes self to use its Display implementation when
Debug-formatted. Read more
Causes self to use its LowerExp implementation when
Debug-formatted. Read more
Causes self to use its LowerHex implementation when
Debug-formatted. Read more
Causes self to use its Octal implementation when Debug-formatted.
Causes self to use its Pointer implementation when
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Causes self to use its UpperExp implementation when
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Pipes by value. This is generally the method you want to use. Read more
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Mutably borrows self, then passes self.as_mut() into the pipe
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Borrows self, then passes self.deref() into the pipe function.
fn pipe_as_ref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: AsRef<T>,
T: 'a,
R: 'a,
fn pipe_as_ref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: AsRef<T>,
T: 'a,
R: 'a,
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Self: Borrow<T>,
T: 'a,
R: 'a,
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Self: Borrow<T>,
T: 'a,
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fn pipe_deref<'a, R>(&'a self, func: impl FnOnce(&'a Self::Target) -> R) -> R where
Self: Deref,
R: 'a,
fn pipe_deref<'a, R>(&'a self, func: impl FnOnce(&'a Self::Target) -> R) -> R where
Self: Deref,
R: 'a,
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Calls .tap() only in debug builds, and is erased in release builds.
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builds. Read more
Calls .tap_borrow() only in debug builds, and is erased in release
builds. Read more
Calls .tap_borrow_mut() only in debug builds, and is erased in release
builds. Read more
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builds. Read more
Calls .tap_ref_mut() only in debug builds, and is erased in release
builds. Read more
Calls .tap_deref() only in debug builds, and is erased in release
builds. Read more
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Calls tap_ref_mut in debug builds, and does nothing in release builds.
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fn tap_borrow_mut<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,
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Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,
Provides mutable access to the borrow for modification.
Immutably dereferences self for inspection.
fn tap_deref_dbg<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,
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Self: Deref,
F: FnOnce(&Self::Target) -> R,
Calls tap_deref in debug builds, and does nothing in release builds.
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Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,
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F: FnOnce(&mut Self::Target) -> R,
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