Struct sc_light::backend::Backend [−][src]
Light client backend.
Implementations
impl<S, H: Hasher> Backend<S, H>[src]
pub fn new(blockchain: Arc<Blockchain<S>>) -> Self[src]
Create new light backend.
pub fn blockchain(&self) -> &Arc<Blockchain<S>>[src]
Get shared blockchain reference.
Trait Implementations
impl<S: AuxStore, H: Hasher> AuxStore for Backend<S, H>[src]
fn insert_aux<'a, 'b: 'a, 'c: 'a, I: IntoIterator<Item = &'a (&'c [u8], &'c [u8])>, D: IntoIterator<Item = &'a &'b [u8]>>(
&self,
insert: I,
delete: D
) -> ClientResult<()>[src]
&self,
insert: I,
delete: D
) -> ClientResult<()>
fn get_aux(&self, key: &[u8]) -> ClientResult<Option<Vec<u8>>>[src]
impl<S, Block> Backend<Block> for Backend<S, HashFor<Block>> where
Block: BlockT,
S: BlockchainStorage<Block>,
Block::Hash: Ord, [src]
Block: BlockT,
S: BlockchainStorage<Block>,
Block::Hash: Ord,
type BlockImportOperation = ImportOperation<Block, S>
Associated block insertion operation type.
type Blockchain = Blockchain<S>
Associated blockchain backend type.
type State = GenesisOrUnavailableState<HashFor<Block>>
Associated state backend type.
type OffchainStorage = InMemOffchainStorage
Offchain workers local storage.
fn begin_operation(&self) -> ClientResult<Self::BlockImportOperation>[src]
fn begin_state_operation(
&self,
_operation: &mut Self::BlockImportOperation,
_block: BlockId<Block>
) -> ClientResult<()>[src]
&self,
_operation: &mut Self::BlockImportOperation,
_block: BlockId<Block>
) -> ClientResult<()>
fn commit_operation(
&self,
operation: Self::BlockImportOperation
) -> ClientResult<()>[src]
&self,
operation: Self::BlockImportOperation
) -> ClientResult<()>
fn finalize_block(
&self,
block: BlockId<Block>,
_justification: Option<Justification>
) -> ClientResult<()>[src]
&self,
block: BlockId<Block>,
_justification: Option<Justification>
) -> ClientResult<()>
fn blockchain(&self) -> &Blockchain<S>[src]
fn usage_info(&self) -> Option<UsageInfo>[src]
fn changes_trie_storage(
&self
) -> Option<&dyn PrunableStateChangesTrieStorage<Block>>[src]
&self
) -> Option<&dyn PrunableStateChangesTrieStorage<Block>>
fn offchain_storage(&self) -> Option<Self::OffchainStorage>[src]
fn state_at(&self, block: BlockId<Block>) -> ClientResult<Self::State>[src]
fn revert(
&self,
_n: NumberFor<Block>,
_revert_finalized: bool
) -> ClientResult<(NumberFor<Block>, HashSet<Block::Hash>)>[src]
&self,
_n: NumberFor<Block>,
_revert_finalized: bool
) -> ClientResult<(NumberFor<Block>, HashSet<Block::Hash>)>
fn get_import_lock(&self) -> &RwLock<()>[src]
pub fn have_state_at(
&self,
hash: &<Block as Block>::Hash,
_number: <<Block as Block>::Header as Header>::Number
) -> bool[src]
&self,
hash: &<Block as Block>::Hash,
_number: <<Block as Block>::Header as Header>::Number
) -> bool
pub fn insert_aux<'a, 'b, 'c, I, D>(
&self,
insert: I,
delete: D
) -> Result<(), Error> where
'b: 'a,
'c: 'a,
I: IntoIterator<Item = &'a (&'c [u8], &'c [u8])>,
D: IntoIterator<Item = &'a &'b [u8]>, [src]
&self,
insert: I,
delete: D
) -> Result<(), Error> where
'b: 'a,
'c: 'a,
I: IntoIterator<Item = &'a (&'c [u8], &'c [u8])>,
D: IntoIterator<Item = &'a &'b [u8]>,
pub fn get_aux(&self, key: &[u8]) -> Result<Option<Vec<u8, Global>>, Error>[src]
impl<S, Block> RemoteBackend<Block> for Backend<S, HashFor<Block>> where
Block: BlockT,
S: BlockchainStorage<Block> + 'static,
Block::Hash: Ord, [src]
Block: BlockT,
S: BlockchainStorage<Block> + 'static,
Block::Hash: Ord,
fn is_local_state_available(&self, block: &BlockId<Block>) -> bool[src]
fn remote_blockchain(&self) -> Arc<dyn RemoteBlockchain<Block>>[src]
Auto Trait Implementations
impl<S, H> !RefUnwindSafe for Backend<S, H>
impl<S, H> Send for Backend<S, H> where
S: Send + Sync,
S: Send + Sync,
impl<S, H> Sync for Backend<S, H> where
S: Send + Sync,
S: Send + Sync,
impl<S, H> Unpin for Backend<S, H> where
H: Unpin,
<H as Hasher>::Out: Unpin,
H: Unpin,
<H as Hasher>::Out: Unpin,
impl<S, H> UnwindSafe for Backend<S, H> where
H: UnwindSafe,
S: RefUnwindSafe,
<H as Hasher>::Out: UnwindSafe,
H: UnwindSafe,
S: RefUnwindSafe,
<H as Hasher>::Out: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized, [src]
T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized, [src]
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized, [src]
T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T[src]
impl<T> CheckedConversion for T[src]
pub fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>, [src]
Self: TryFrom<T>,
pub fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>, [src]
Self: TryInto<T>,
impl<T> From<T> for T[src]
impl<T> Instrument for T[src]
pub fn instrument(self, span: Span) -> Instrumented<Self>[src]
pub fn in_current_span(self) -> Instrumented<Self>[src]
impl<T> Instrument for T[src]
pub fn instrument(self, span: Span) -> Instrumented<Self>[src]
pub fn in_current_span(self) -> Instrumented<Self>[src]
impl<T, U> Into<U> for T where
U: From<T>, [src]
U: From<T>,
impl<T, Outer> IsWrappedBy<Outer> for T where
T: From<Outer>,
Outer: AsRef<T> + AsMut<T> + From<T>, [src]
T: From<Outer>,
Outer: AsRef<T> + AsMut<T> + From<T>,
pub fn from_ref(outer: &Outer) -> &T[src]
Get a reference to the inner from the outer.
pub fn from_mut(outer: &mut Outer) -> &mut T[src]
Get a mutable reference to the inner from the outer.
impl<T> Pointable for T[src]
pub const ALIGN: usize[src]
type Init = T
The type for initializers.
pub unsafe fn init(init: <T as Pointable>::Init) -> usize[src]
pub unsafe fn deref<'a>(ptr: usize) -> &'a T[src]
pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T[src]
pub unsafe fn drop(ptr: usize)[src]
impl<T> Same<T> for T[src]
type Output = T
Should always be Self
impl<T> SaturatedConversion for T[src]
pub fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>, [src]
Self: UniqueSaturatedFrom<T>,
pub fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>, [src]
Self: UniqueSaturatedInto<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>, [src]
U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
impl<T, U> TryInto<U> for T where
U: TryFrom<T>, [src]
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]
impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>, [src]
T: UncheckedFrom<S>,
pub fn unchecked_into(self) -> T[src]
impl<T, S> UniqueSaturatedInto<T> for S where
S: TryInto<T>,
T: Bounded, [src]
S: TryInto<T>,
T: Bounded,
pub fn unique_saturated_into(self) -> T[src]
impl<V, T> VZip<V> for T where
V: MultiLane<T>, [src]
V: MultiLane<T>,