Struct Hash 

pub struct Hash(/* private fields */);

32-byte BLAKE3 hash.

Implementations

impl Hash

pub fn digest(buf: impl AsRef<[u8]>) -> Self

Calculate the hash of the provided bytes.

pub const fn from_bytes(bytes: [u8; 32]) -> Self

Create a Hash from its raw bytes representation.

pub fn as_bytes(&self) -> &[u8; 32]

Bytes of the hash.

pub fn to_hex(&self) -> String

Convert the hash to a hex string.

Trait Implementations

impl<'a> Arbitrary<'a> for Hash

Available on crate feature arbitrary only.

fn arbitrary(u: &mut Unstructured<'a>) -> Result<Self>

Generate an arbitrary value of Self from the given unstructured data.

fn arbitrary_take_rest(u: Unstructured<'a>) -> Result<Self, Error>

Generate an arbitrary value of Self from the entirety of the given unstructured data.

fn size_hint(depth: usize) -> (usize, Option<usize>)

Get a size hint for how many bytes out of an Unstructured this type needs to construct itself.

fn try_size_hint( depth: usize, ) -> Result<(usize, Option<usize>), MaxRecursionReached>

Get a size hint for how many bytes out of an Unstructured this type needs to construct itself.

impl AsRef<[u8]> for Hash

fn as_ref(&self) -> &[u8]

Converts this type into a shared reference of the (usually inferred) input type.

impl Chain<Hash> for AnyOperation

fn backlink(&self) -> Option<Hash>

Pointer at previous entry in log which gives us the integrity guarantee of the “hash chain”. The first entry in a log returns None.

fn seq_num(&self) -> SeqNum

Sequence numbers are helpful to fastly detect forks and use the much faster and optimized diffing strategy when the local log is not forked.

impl Chain<Hash> for AnyHeader

fn backlink(&self) -> Option<Hash>

Pointer at previous entry in log which gives us the integrity guarantee of the “hash chain”. The first entry in a log returns None.

fn seq_num(&self) -> SeqNum

Sequence numbers are helpful to fastly detect forks and use the much faster and optimized diffing strategy when the local log is not forked.

impl<E> Chain<Hash> for Header<E>

where E: Extensions,

fn backlink(&self) -> Option<Hash>

Pointer at previous entry in log which gives us the integrity guarantee of the “hash chain”. The first entry in a log returns None.

fn seq_num(&self) -> SeqNum

Sequence numbers are helpful to fastly detect forks and use the much faster and optimized diffing strategy when the local log is not forked.

impl<E> Chain<Hash> for Operation<E>

fn backlink(&self) -> Option<Hash>

Pointer at previous entry in log which gives us the integrity guarantee of the “hash chain”. The first entry in a log returns None.

fn seq_num(&self) -> SeqNum

Sequence numbers are helpful to fastly detect forks and use the much faster and optimized diffing strategy when the local log is not forked.

impl Clone for Hash

fn clone(&self) -> Hash

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Hash

impl Debug for Hash

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Hash

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Digest<Hash> for AnyOperation

fn hash(&self) -> Hash

Hash digest of peer-to-peer data-type which can be used as the identifier.

impl Digest<Hash> for AnyHeader

fn hash(&self) -> Hash

Hash digest of peer-to-peer data-type which can be used as the identifier.

impl<E> Digest<Hash> for Header<E>

where E: Extensions,

fn hash(&self) -> Hash

Hash digest of peer-to-peer data-type which can be used as the identifier.

impl<E> Digest<Hash> for Operation<E>

fn hash(&self) -> Hash

Hash digest of peer-to-peer data-type which can be used as the identifier.

impl Display for Hash

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

Formats the value using the given formatter.

impl Eq for Hash

impl From<&Hash> for [u8; 32]

fn from(value: &Hash) -> Self

Converts to this type from the input type.

impl From<&[u8; 32]> for Hash

fn from(value: &[u8; 32]) -> Self

Converts to this type from the input type.

impl From<Hash> for Hash

fn from(value: Hash) -> Self

Converts to this type from the input type.

impl From<Hash> for Hash

fn from(value: Hash) -> Self

Converts to this type from the input type.

impl From<Hash> for [u8; 32]

fn from(value: Hash) -> Self

Converts to this type from the input type.

impl From<Hash> for Topic

fn from(value: Hash) -> Self

Converts to this type from the input type.

impl From<Topic> for Hash

fn from(topic: Topic) -> Self

Converts to this type from the input type.

impl From<[u8; 32]> for Hash

fn from(value: [u8; 32]) -> Self

Converts to this type from the input type.

impl FromStr for Hash

type Err = HashError

The associated error which can be returned from parsing.

fn from_str(value: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Hash for Hash

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

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Offchain<Hash> for AnyOperation

fn payload(&self) -> Option<&Body>

Authenticated payload.

fn payload_hash(&self) -> Option<Hash>

Hash digest of the payload.

fn payload_size(&self) -> PayloadSize

Size in bytes of the payload.

impl Offchain<Hash> for AnyHeader

fn payload(&self) -> Option<&Body>

Authenticated payload.

fn payload_hash(&self) -> Option<Hash>

Hash digest of the payload.

fn payload_size(&self) -> PayloadSize

Size in bytes of the payload.

impl<E> Offchain<Hash> for Header<E>

where E: Extensions,

fn payload(&self) -> Option<&Body>

Authenticated payload.

fn payload_hash(&self) -> Option<Hash>

Hash digest of the payload.

fn payload_size(&self) -> PayloadSize

Size in bytes of the payload.

impl<E> Offchain<Hash> for Operation<E>

fn payload(&self) -> Option<&Body>

Authenticated payload.

fn payload_hash(&self) -> Option<Hash>

Hash digest of the payload.

fn payload_size(&self) -> PayloadSize

Size in bytes of the payload.

impl OperationId for Hash

impl Ord for Hash

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Hash

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for Hash

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Serialize for Hash

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

where S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Hash

impl TryFrom<&[u8]> for Hash

type Error = HashError

The type returned in the event of a conversion error.

fn try_from(value: &[u8]) -> Result<Self, Self::Error>

Performs the conversion.