[−][src]Struct sp_blockchain::HeaderMetadataCache
Caches header metadata in an in-memory LRU cache.
Methods
impl<Block: BlockT> HeaderMetadataCache<Block>[src]
Trait Implementations
impl<Block: BlockT> Default for HeaderMetadataCache<Block>[src]
impl<Block: BlockT> HeaderMetadata<Block> for HeaderMetadataCache<Block>[src]
type Error = String
Error used in case the header metadata is not found.
fn header_metadata(
&self,
hash: Block::Hash
) -> Result<CachedHeaderMetadata<Block>, Self::Error>[src]
&self,
hash: Block::Hash
) -> Result<CachedHeaderMetadata<Block>, Self::Error>
fn insert_header_metadata(
&self,
hash: Block::Hash,
metadata: CachedHeaderMetadata<Block>
)[src]
&self,
hash: Block::Hash,
metadata: CachedHeaderMetadata<Block>
)
fn remove_header_metadata(&self, hash: Block::Hash)[src]
Auto Trait Implementations
impl<Block> !RefUnwindSafe for HeaderMetadataCache<Block>
impl<Block> Send for HeaderMetadataCache<Block> where
<Block as Block>::Hash: Send,
<<Block as Block>::Header as Header>::Number: Send,
<Block as Block>::Hash: Send,
<<Block as Block>::Header as Header>::Number: Send,
impl<Block> Sync for HeaderMetadataCache<Block> where
<Block as Block>::Hash: Send + Sync,
<<Block as Block>::Header as Header>::Number: Send + Sync,
<Block as Block>::Hash: Send + Sync,
<<Block as Block>::Header as Header>::Number: Send + Sync,
impl<Block> Unpin for HeaderMetadataCache<Block>
impl<Block> UnwindSafe for HeaderMetadataCache<Block> where
<Block as Block>::Hash: RefUnwindSafe + UnwindSafe,
<<Block as Block>::Header as Header>::Number: RefUnwindSafe + UnwindSafe,
<Block as Block>::Hash: RefUnwindSafe + UnwindSafe,
<<Block as Block>::Header as Header>::Number: RefUnwindSafe + 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,
fn borrow_mut(&mut self) -> &mut T[src]
impl<T> CheckedConversion for T[src]
fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>, [src]
Self: TryFrom<T>,
fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>, [src]
Self: TryInto<T>,
impl<T> Clear for T where
T: InitializableFromZeroed + ?Sized,
T: InitializableFromZeroed + ?Sized,
fn clear(&mut self)
impl<T> From<T> for T[src]
impl<T> InitializableFromZeroed for T where
T: Default,
T: Default,
unsafe fn initialize(place: *mut T)
impl<T, U> Into<U> for T where
U: From<T>, [src]
U: From<T>,
impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,
fn from_ref(outer: &Outer) -> &T
Get a reference to the inner from the outer.
fn from_mut(outer: &mut Outer) -> &mut T
Get a mutable reference to the inner from the outer.
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T> SaturatedConversion for T
fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,
Self: UniqueSaturatedFrom<T>,
fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,
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.
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.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]
impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,
T: UncheckedFrom<S>,
fn unchecked_into(self) -> T
impl<T, S> UniqueSaturatedInto<T> for S where
S: TryInto<T>,
T: Bounded,
S: TryInto<T>,
T: Bounded,
fn unique_saturated_into(self) -> T
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,