Struct sp_blockchain::HeaderMetadataCache

source · [−]

pub struct HeaderMetadataCache<Block: BlockT> { /* private fields */ }

Expand description

Caches header metadata in an in-memory LRU cache.

Implementations

source

impl<Block: BlockT> HeaderMetadataCache<Block>

source

pub fn new(capacity: usize) -> Self

Creates a new LRU header metadata cache with capacity.

source

impl<Block: BlockT> HeaderMetadataCache<Block>

source

pub fn header_metadata(
&self,
hash: Block::Hash
) -> Option<CachedHeaderMetadata<Block>>

source

pub fn insert_header_metadata(
 &self,
 hash: Block::Hash,
 metadata: CachedHeaderMetadata<Block>
)

source

pub fn remove_header_metadata(&self, hash: Block::Hash)

Trait Implementations

source

impl<Block: BlockT> Default for HeaderMetadataCache<Block>

source

fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations

impl<Block> !RefUnwindSafe for HeaderMetadataCache<Block>

impl<Block> Send for HeaderMetadataCache<Block>

impl<Block> Sync for HeaderMetadataCache<Block>

impl<Block> Unpin for HeaderMetadataCache<Block>

impl<Block> UnwindSafe for HeaderMetadataCache<Block> where
<Block as Block>::Hash: UnwindSafe + RefUnwindSafe,
<<Block as Block>::Header as Header>::Number: UnwindSafe + RefUnwindSafe,

Blanket Implementations

source

impl<T> Any for T where
T: 'static + ?Sized,

source

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

source

impl<T> CheckedConversion for T

source

fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more

source

fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more

source

impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

source

impl<T> Instrument for T

source

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

source

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

source

impl<T> Instrument for T

source

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

source

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

source

impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source

impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

source

pub fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

source

pub fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

source

impl<T> Same<T> for T

type Output = T

Should always be Self

source

impl<T> SaturatedConversion for T

source

fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more

source

fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more

source

impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

source

impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

source

impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

source

pub fn unchecked_into(self) -> T

The counterpart to unchecked_from.

source

impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>,

source

pub fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

source

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

source

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct sp_blockchain::HeaderMetadataCache

Implementations

impl<Block: BlockT> HeaderMetadataCache<Block>

pub fn new(capacity: usize) -> Self

impl<Block: BlockT> HeaderMetadataCache<Block>

pub fn header_metadata( &self, hash: Block::Hash) -> Option<CachedHeaderMetadata<Block>>

pub fn insert_header_metadata( &self, hash: Block::Hash, metadata: CachedHeaderMetadata<Block>)

pub fn remove_header_metadata(&self, hash: Block::Hash)

Trait Implementations

impl<Block: BlockT> Default for HeaderMetadataCache<Block>

fn default() -> Self

Auto Trait Implementations

impl<Block> !RefUnwindSafe for HeaderMetadataCache<Block>

impl<Block> Send for HeaderMetadataCache<Block>

impl<Block> Sync for HeaderMetadataCache<Block>

impl<Block> Unpin for HeaderMetadataCache<Block>

impl<Block> UnwindSafe for HeaderMetadataCache<Block> where <Block as Block>::Hash: UnwindSafe + RefUnwindSafe, <<Block as Block>::Header as Header>::Number: UnwindSafe + RefUnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> CheckedConversion for T

fn checked_from<T>(t: T) -> Option<Self> where Self: TryFrom<T>,

fn checked_into<T>(self) -> Option<T> where Self: TryInto<T>,

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T, Outer> IsWrappedBy<Outer> for T where Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,

pub fn from_ref(outer: &Outer) -> &T

pub fn from_mut(outer: &mut Outer) -> &mut T

impl<T> Same<T> for T

type Output = T

impl<T> SaturatedConversion for T

fn saturated_from<T>(t: T) -> Self where Self: UniqueSaturatedFrom<T>,

fn saturated_into<T>(self) -> T where Self: UniqueSaturatedInto<T>,

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<S, T> UncheckedInto<T> for S where T: UncheckedFrom<S>,

pub fn unchecked_into(self) -> T

impl<T, S> UniqueSaturatedInto<T> for S where T: Bounded, S: TryInto<T>,

pub fn unique_saturated_into(self) -> T

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

pub fn header_metadata(
&self,
hash: Block::Hash
) -> Option<CachedHeaderMetadata<Block>>

pub fn insert_header_metadata(
&self,
hash: Block::Hash,
metadata: CachedHeaderMetadata<Block>
)

impl<Block> UnwindSafe for HeaderMetadataCache<Block> where
<Block as Block>::Hash: UnwindSafe + RefUnwindSafe,
<<Block as Block>::Header as Header>::Number: UnwindSafe + RefUnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>,

fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,

fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,