Struct sp_runtime::generic::Header[−][src]

pub struct Header<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> {
    pub parent_hash: Hash::Output,
    pub number: Number,
    pub state_root: Hash::Output,
    pub extrinsics_root: Hash::Output,
    pub digest: Digest<Hash::Output>,
}

Abstraction over a block header for a substrate chain.

Fields

parent_hash: Hash::Output

The parent hash.

number: Number

The block number.

state_root: Hash::Output

The state trie merkle root

extrinsics_root: Hash::Output

The merkle root of the extrinsics.

digest: Digest<Hash::Output>

A chain-specific digest of data useful for light clients or referencing auxiliary data.

Implementations

`impl<Number, Hash> Header<Number, Hash> where Number: Member + Hash + Copy + MaybeDisplay + AtLeast32BitUnsigned + Codec + Into<U256> + TryFrom<U256>, Hash: HashT, Hash::Output: Default + Hash + Copy + Member + MaybeDisplay + SimpleBitOps + Codec,` [src]

`pub fn hash(&self) -> Hash::Output`[src]

Convenience helper for computing the hash of the header without having to import the trait.

`impl Header<u64, BlakeTwo256>`[src]

`pub fn new_from_number(number: Self::Number) -> Self`[src]

A new header with the given number and default hash for all other fields.

Trait Implementations

`impl<Number: Clone + Copy + Into<U256> + TryFrom<U256>, Hash: Clone + HashT> Clone for Header<Number, Hash> where Hash::Output: Clone, Hash::Output: Clone, Hash::Output: Clone, Hash::Output: Clone,` [src]

`fn clone(&self) -> Header<Number, Hash>`[src]

`pub fn clone_from(&mut self, source: &Self)`1.0.0 [src]

`impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Debug for Header<Number, Hash> where Number: Debug, Hash: Debug,` [src]

`fn fmt(&self, fmt: &mut Formatter<'_>) -> Result`[src]

`impl<Number, Hash> Decode for Header<Number, Hash> where Number: HasCompact + Copy + Into<U256> + TryFrom<U256>, Hash: HashT, Hash::Output: Decode,` [src]

`fn decode<I: Input>(input: &mut I) -> Result<Self, Error>`[src]

`pub fn skip<I>(input: &mut I) -> Result<(), Error> where I: Input,` [src]

`pub fn encoded_fixed_size() -> Option<usize>`[src]

`impl<'de, Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Deserialize<'de> for Header<Number, Hash> where Hash::Output: Deserialize<'de>, Hash::Output: Deserialize<'de>, Hash::Output: Deserialize<'de>,` [src]

`fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where __D: Deserializer<'de>,` [src]

`impl<Number, Hash> Encode for Header<Number, Hash> where Number: HasCompact + Copy + Into<U256> + TryFrom<U256>, Hash: HashT, Hash::Output: Encode,` [src]

`fn encode_to<T: Output + ?Sized>(&self, dest: &mut T)`[src]

`pub fn size_hint(&self) -> usize`[src]

`pub fn encode(&self) -> Vec<u8, Global>`[src]

`pub fn using_encoded<R, F>(&self, f: F) -> R where F: FnOnce(&[u8]) -> R,` [src]

`pub fn encoded_size(&self) -> usize`[src]

`impl<Number, Hash> Header for Header<Number, Hash> where Number: Member + MaybeSerializeDeserialize + Debug + Hash + MaybeDisplay + AtLeast32BitUnsigned + Codec + Copy + Into<U256> + TryFrom<U256> + FromStr + MaybeMallocSizeOf, Hash: HashT, Hash::Output: Default + Hash + Copy + Member + Ord + MaybeSerialize + Debug + MaybeDisplay + SimpleBitOps + Codec + MaybeMallocSizeOf,` [src]

`type Number = Number`

Header number.

`type Hash = <Hash as HashT>::Output`

Header hash type

`type Hashing = Hash`

Hashing algorithm

`fn number(&self) -> &Self::Number`[src]

`fn set_number(&mut self, num: Self::Number)`[src]

`fn extrinsics_root(&self) -> &Self::Hash`[src]

`fn set_extrinsics_root(&mut self, root: Self::Hash)`[src]

`fn state_root(&self) -> &Self::Hash`[src]

`fn set_state_root(&mut self, root: Self::Hash)`[src]

`fn parent_hash(&self) -> &Self::Hash`[src]

`fn set_parent_hash(&mut self, hash: Self::Hash)`[src]

`fn digest(&self) -> &Digest<Self::Hash>`[src]

`fn digest_mut(&mut self) -> &mut Digest<Self::Hash>`[src]

`fn new( number: Self::Number, extrinsics_root: Self::Hash, state_root: Self::Hash, parent_hash: Self::Hash, digest: Digest<Self::Hash> ) -> Self`[src]

`fn hash(&self) -> Self::Hash`[src]

`impl<Number, Hash> MallocSizeOf for Header<Number, Hash> where Number: Copy + Into<U256> + TryFrom<U256> + MallocSizeOf, Hash: HashT, Hash::Output: MallocSizeOf,` [src]

`fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize`[src]

`pub fn constant_size() -> Option<usize>`[src]

`impl<Number: PartialEq + Copy + Into<U256> + TryFrom<U256>, Hash: PartialEq + HashT> PartialEq<Header<Number, Hash>> for Header<Number, Hash> where Hash::Output: PartialEq, Hash::Output: PartialEq, Hash::Output: PartialEq, Hash::Output: PartialEq,` [src]

`fn eq(&self, other: &Header<Number, Hash>) -> bool`[src]

`fn ne(&self, other: &Header<Number, Hash>) -> bool`[src]

`impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Serialize for Header<Number, Hash> where Hash::Output: Serialize, Hash::Output: Serialize, Hash::Output: Serialize,` [src]

`fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer,` [src]

`impl<Number, Hash> EncodeLike<Header<Number, Hash>> for Header<Number, Hash> where Number: HasCompact + Copy + Into<U256> + TryFrom<U256>, Hash: HashT, Hash::Output: Encode,` [src]

`impl<Number: Eq + Copy + Into<U256> + TryFrom<U256>, Hash: Eq + HashT> Eq for Header<Number, Hash> where Hash::Output: Eq, Hash::Output: Eq, Hash::Output: Eq, Hash::Output: Eq,` [src]

`impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> StructuralEq for Header<Number, Hash>`[src]

`impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> StructuralPartialEq for Header<Number, Hash>`[src]

Auto Trait Implementations

`impl<Number, Hash> RefUnwindSafe for Header<Number, Hash> where Number: RefUnwindSafe, <Hash as Hash>::Output: RefUnwindSafe,`

`impl<Number, Hash> Send for Header<Number, Hash> where Number: Send,`

`impl<Number, Hash> Sync for Header<Number, Hash> where Number: Sync,`

`impl<Number, Hash> Unpin for Header<Number, Hash> where Number: Unpin, <Hash as Hash>::Output: Unpin,`

`impl<Number, Hash> UnwindSafe for Header<Number, Hash> where Number: UnwindSafe, <Hash as Hash>::Output: UnwindSafe,`

Blanket Implementations

`impl<T> Any for T where T: 'static + ?Sized,` [src]

`pub fn type_id(&self) -> TypeId`[src]

`impl<T> Borrow<T> for T where T: ?Sized,` [src]

`pub fn borrow(&self) -> &T`[src]

`impl<T> BorrowMut<T> for T where T: ?Sized,` [src]

`pub 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]

`fn checked_into<T>(self) -> Option<T> where Self: TryInto<T>,` [src]

`impl<T> DecodeAll for T where T: Decode,` [src]

`pub fn decode_all(input: &[u8]) -> Result<T, Error>`[src]

`impl<T> DecodeLimit for T where T: Decode,` [src]

`pub fn decode_all_with_depth_limit(limit: u32, input: &[u8]) -> Result<T, Error>`[src]

`pub fn decode_with_depth_limit(limit: u32, input: &[u8]) -> Result<T, Error>`[src]

`impl<T> DynClone for T where T: Clone,` [src]

`pub fn __clone_box(&self, Private) -> *mut ()`[src]

`impl<Q, K> Equivalent<K> for Q where K: Borrow<Q> + ?Sized, Q: Eq + ?Sized,` [src]

`pub fn equivalent(&self, key: &K) -> bool`[src]

`impl<T> From<T> for T`[src]

`pub fn from(t: T) -> 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, U> Into<U> for T where U: From<T>,` [src]

`pub fn into(self) -> U`[src]

`impl<T, Outer> IsWrappedBy<Outer> for T where T: From<Outer>, Outer: AsRef<T> + AsMut<T> + From<T>,` [src]

`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> KeyedVec for T where T: Codec,` [src]

`pub fn to_keyed_vec(&self, prepend_key: &[u8]) -> Vec<u8, Global>`[src]

`impl<T> MallocSizeOfExt for T where T: MallocSizeOf,` [src]

`pub fn malloc_size_of(&self) -> 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]

`pub fn saturated_into<T>(self) -> T where Self: UniqueSaturatedInto<T>,` [src]

`impl<T> ToOwned for T where T: Clone,` [src]

`type Owned = T`

The resulting type after obtaining ownership.

`pub fn to_owned(&self) -> T`[src]

`pub fn clone_into(&self, target: &mut T)`[src]

`impl<T, U> TryFrom<U> for T where U: Into<T>,` [src]

`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]

`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]

`pub fn unchecked_into(self) -> T`[src]

`impl<T, S> UniqueSaturatedInto<T> for S where T: Bounded, S: TryInto<T>,` [src]

`pub fn unique_saturated_into(self) -> T`[src]

`impl<V, T> VZip<V> for T where V: MultiLane<T>,` [src]

`pub fn vzip(self) -> V`[src]

`impl<S> Codec for S where S: Decode + Encode,` [src]

`impl<T> DeserializeOwned for T where T: for<'de> Deserialize<'de>,` [src]

`impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where T: Encode,` [src]

`impl<'_, T> EncodeLike<&'_ T> for T where T: Encode,` [src]

`impl<'_, T> EncodeLike<&'_ mut T> for T where T: Encode,` [src]

`impl<T> EncodeLike<Arc<T>> for T where T: Encode,` [src]

`impl<T> EncodeLike<Box<T, Global>> for T where T: Encode,` [src]

`impl<'a, T> EncodeLike<Cow<'a, T>> for T where T: ToOwned + Encode,` [src]

`impl<T> EncodeLike<Rc<T>> for T where T: Encode,` [src]

`impl<S> FullCodec for S where S: Decode + FullEncode,` [src]

`impl<S> FullEncode for S where S: Encode + EncodeLike<S>,` [src]

`impl<T> MaybeDebug for T where T: Debug,` [src]

`impl<T> MaybeMallocSizeOf for T where T: MallocSizeOf,` [src]

`impl<T> MaybeRefUnwindSafe for T where T: RefUnwindSafe,` [src]

`impl<T> MaybeSerialize for T where T: Serialize,` [src]

`impl<T> MaybeSerializeDeserialize for T where T: DeserializeOwned + Serialize,` [src]

`impl<T> Member for T where T: 'static + Send + Sync + Debug + Eq + PartialEq<T> + Clone,` [src]

Struct sp_runtime::generic::Header⎘[−][src]

Fields

Implementations

impl<Number, Hash> Header<Number, Hash> where Number: Member + Hash + Copy + MaybeDisplay + AtLeast32BitUnsigned + Codec + Into<U256> + TryFrom<U256>, Hash: HashT, Hash::Output: Default + Hash + Copy + Member + MaybeDisplay + SimpleBitOps + Codec, [src]

pub fn hash(&self) -> Hash::Output[src]

impl Header<u64, BlakeTwo256>[src]

pub fn new_from_number(number: Self::Number) -> Self[src]

Trait Implementations

impl<Number: Clone + Copy + Into<U256> + TryFrom<U256>, Hash: Clone + HashT> Clone for Header<Number, Hash> where Hash::Output: Clone, Hash::Output: Clone, Hash::Output: Clone, Hash::Output: Clone, [src]

fn clone(&self) -> Header<Number, Hash>[src]

pub fn clone_from(&mut self, source: &Self)1.0.0[src]

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Debug for Header<Number, Hash> where Number: Debug, Hash: Debug, [src]

fn fmt(&self, fmt: &mut Formatter<'_>) -> Result[src]

impl<Number, Hash> Decode for Header<Number, Hash> where Number: HasCompact + Copy + Into<U256> + TryFrom<U256>, Hash: HashT, Hash::Output: Decode, [src]

fn decode<I: Input>(input: &mut I) -> Result<Self, Error>[src]

pub fn skip<I>(input: &mut I) -> Result<(), Error> where I: Input, [src]

pub fn encoded_fixed_size() -> Option<usize>[src]

impl<'de, Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Deserialize<'de> for Header<Number, Hash> where Hash::Output: Deserialize<'de>, Hash::Output: Deserialize<'de>, Hash::Output: Deserialize<'de>, [src]

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where __D: Deserializer<'de>, [src]

impl<Number, Hash> Encode for Header<Number, Hash> where Number: HasCompact + Copy + Into<U256> + TryFrom<U256>, Hash: HashT, Hash::Output: Encode, [src]

fn encode_to<T: Output + ?Sized>(&self, dest: &mut T)[src]

pub fn size_hint(&self) -> usize[src]

pub fn encode(&self) -> Vec<u8, Global>[src]

pub fn using_encoded<R, F>(&self, f: F) -> R where F: FnOnce(&[u8]) -> R, [src]

pub fn encoded_size(&self) -> usize[src]

type Number = Number

type Hash = <Hash as HashT>::Output

type Hashing = Hash

fn number(&self) -> &Self::Number[src]

fn set_number(&mut self, num: Self::Number)[src]

fn extrinsics_root(&self) -> &Self::Hash[src]

fn set_extrinsics_root(&mut self, root: Self::Hash)[src]

fn state_root(&self) -> &Self::Hash[src]

fn set_state_root(&mut self, root: Self::Hash)[src]

fn parent_hash(&self) -> &Self::Hash[src]

fn set_parent_hash(&mut self, hash: Self::Hash)[src]

fn digest(&self) -> &Digest<Self::Hash>[src]

fn digest_mut(&mut self) -> &mut Digest<Self::Hash>[src]

fn new( number: Self::Number, extrinsics_root: Self::Hash, state_root: Self::Hash, parent_hash: Self::Hash, digest: Digest<Self::Hash>) -> Self[src]

fn hash(&self) -> Self::Hash[src]

impl<Number, Hash> MallocSizeOf for Header<Number, Hash> where Number: Copy + Into<U256> + TryFrom<U256> + MallocSizeOf, Hash: HashT, Hash::Output: MallocSizeOf, [src]

fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize[src]

pub fn constant_size() -> Option<usize>[src]

impl<Number: PartialEq + Copy + Into<U256> + TryFrom<U256>, Hash: PartialEq + HashT> PartialEq<Header<Number, Hash>> for Header<Number, Hash> where Hash::Output: PartialEq, Hash::Output: PartialEq, Hash::Output: PartialEq, Hash::Output: PartialEq, [src]

fn eq(&self, other: &Header<Number, Hash>) -> bool[src]

fn ne(&self, other: &Header<Number, Hash>) -> bool[src]

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> Serialize for Header<Number, Hash> where Hash::Output: Serialize, Hash::Output: Serialize, Hash::Output: Serialize, [src]

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where __S: Serializer, [src]

impl<Number, Hash> EncodeLike<Header<Number, Hash>> for Header<Number, Hash> where Number: HasCompact + Copy + Into<U256> + TryFrom<U256>, Hash: HashT, Hash::Output: Encode, [src]

impl<Number: Eq + Copy + Into<U256> + TryFrom<U256>, Hash: Eq + HashT> Eq for Header<Number, Hash> where Hash::Output: Eq, Hash::Output: Eq, Hash::Output: Eq, Hash::Output: Eq, [src]

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> StructuralEq for Header<Number, Hash>[src]

impl<Number: Copy + Into<U256> + TryFrom<U256>, Hash: HashT> StructuralPartialEq for Header<Number, Hash>[src]