Struct hdk::prelude::ChainHead

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pub struct ChainHead {
    pub action_seq: u32,
    pub hash: HoloHash<Action>,
}

Expand description

The action at the head of the complete chain. This is as far as this authority can see a chain with no gaps.

Fields

action_seq: u32

Sequence number of this chain head.

hash: HoloHash<Action>

Hash of this chain head

Trait Implementations

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impl Clone for ChainHead

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fn clone(&self) -> ChainHead

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for ChainHead

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

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impl<'de> Deserialize<'de> for ChainHead

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fn deserialize<D>(
deserializer: D
) -> Result<ChainHead, <D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl Hash for ChainHead

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fn hash<H>(&self, state: &mut H)where
__H: Hasher,

Feeds this value into the given Hasher. Read more

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fn hash_slice<H>(data: &[Self], state: &mut H)where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

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impl PartialEq<ChainHead> for ChainHead

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fn eq(&self, other: &ChainHead) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

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impl Serialize for ChainHead

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fn serialize<S>(
 &self,
 serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
 S: Serializer,

Serialize this value into the given Serde serializer. Read more

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impl Eq for ChainHead

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impl StructuralEq for ChainHead

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impl StructuralPartialEq for ChainHead

Auto Trait Implementations

impl RefUnwindSafe for ChainHead

impl Send for ChainHead

impl Sync for ChainHead

impl Unpin for ChainHead

impl UnwindSafe for ChainHead

Blanket Implementations

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> ArchivePointee for T

type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.

fn pointer_metadata(
&<T as ArchivePointee>::ArchivedMetadata
) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

impl<T> CallHasher for Twhere
T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64where
H: Hash + ?Sized,
B: BuildHasher,

impl<F, W, T, D> Deserialize<With<T, W>, D> for Fwhere
 W: DeserializeWith<F, T, D>,
 D: Fallible + ?Sized,
 F: ?Sized,

fn deserialize(
&self,
deserializer: &mut D
) -> Result<With<T, W>, <D as Fallible>::Error>

Deserializes using the given deserializer

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impl<Q, K> Equivalent<K> for Qwhere
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>`impl<T> Future for Instrumented<T>where T: Future, type Output = <T as Future>::Output;`

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

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fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>`impl<T> Future for Instrumented<T>where T: Future, type Output = <T as Future>::Output;`

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

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

const: unstable · source

fn into(self) -> U

Calls U::from(self).

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

impl<T> Pointee for T

type Metadata = ()

The type for metadata in pointers and references to Self.

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impl<T> ToOwned for Twhere
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>`impl<T> Future for WithDispatch<T>where T: Future, type Output = <T as Future>::Output;`where
S: Into<Dispatch>,

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

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fn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>`impl<T> Future for WithDispatch<T>where T: Future, type Output = <T as Future>::Output;`

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

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Struct hdk::prelude::ChainHead

Fields

Trait Implementations

impl Clone for ChainHead

fn clone(&self) -> ChainHead

fn clone_from(&mut self, source: &Self)

impl Debug for ChainHead

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

impl<'de> Deserialize<'de> for ChainHead

fn deserialize<__D>( __deserializer: __D) -> Result<ChainHead, <__D as Deserializer<'de>>::Error>where __D: Deserializer<'de>,

impl Hash for ChainHead

fn hash<__H>(&self, state: &mut __H)where __H: Hasher,

fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher,

impl PartialEq<ChainHead> for ChainHead

fn eq(&self, other: &ChainHead) -> bool

fn ne(&self, other: &Rhs) -> bool

impl Serialize for ChainHead

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

impl Eq for ChainHead

impl StructuralEq for ChainHead

impl StructuralPartialEq for ChainHead

Auto Trait Implementations

impl RefUnwindSafe for ChainHead

impl Send for ChainHead

impl Sync for ChainHead

impl Unpin for ChainHead

impl UnwindSafe for ChainHead

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> ArchivePointee for T

type ArchivedMetadata = ()

fn pointer_metadata( &<T as ArchivePointee>::ArchivedMetadata) -> <T as Pointee>::Metadata

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

fn borrow(&self) -> &T

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

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

impl<T> CallHasher for Twhere T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64where H: Hash + ?Sized, B: BuildHasher,

impl<F, W, T, D> Deserialize<With<T, W>, D> for Fwhere W: DeserializeWith<F, T, D>, D: Fallible + ?Sized, F: ?Sized,

fn deserialize( &self, deserializer: &mut D) -> Result<With<T, W>, <D as Fallible>::Error>

impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T>where T: Future, type Output = <T as Future>::Output;

fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T>where T: Future, type Output = <T as Future>::Output;

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

fn into(self) -> U

impl<T> Pointee for T

type Metadata = ()

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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

type Error = Infallible

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

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

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

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

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T>where T: Future, type Output = <T as Future>::Output;where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T>where T: Future, type Output = <T as Future>::Output;

impl<T> DeserializeOwned for Twhere T: for<'de> Deserialize<'de>,

fn deserialize<D>(
deserializer: D
) -> Result<ChainHead, <D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,

fn hash<H>(&self, state: &mut H)where
__H: Hasher,

fn hash_slice<H>(data: &[Self], state: &mut H)where
H: Hasher,

fn serialize<S>(
&self,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
S: Serializer,

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

fn pointer_metadata(
&<T as ArchivePointee>::ArchivedMetadata
) -> <T as Pointee>::Metadata

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

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

impl<T> CallHasher for Twhere
T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64where
H: Hash + ?Sized,
B: BuildHasher,

impl<F, W, T, D> Deserialize<With<T, W>, D> for Fwhere
W: DeserializeWith<F, T, D>,
D: Fallible + ?Sized,
F: ?Sized,

fn deserialize(
&self,
deserializer: &mut D
) -> Result<With<T, W>, <D as Fallible>::Error>

impl<Q, K> Equivalent<K> for Qwhere
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>`impl<T> Future for Instrumented<T>where T: Future, type Output = <T as Future>::Output;`

fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>`impl<T> Future for Instrumented<T>where T: Future, type Output = <T as Future>::Output;`

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

impl<T> ToOwned for Twhere
T: Clone,

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

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

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>`impl<T> Future for WithDispatch<T>where T: Future, type Output = <T as Future>::Output;`where
S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>`impl<T> Future for WithDispatch<T>where T: Future, type Output = <T as Future>::Output;`

impl<T> DeserializeOwned for Twhere
T: for<'de> Deserialize<'de>,