Struct casper_execution_engine::shared::newtypes::Blake2bHash

pub struct Blake2bHash(_);

Represents a 32-byte BLAKE2b hash digest

Implementations

impl Blake2bHash

pub const LENGTH: usize

pub fn new(data: &[u8]) -> Self

Creates a 32-byte BLAKE2b hash digest from a given a piece of data

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

Returns the underlying BLKAE2b hash bytes

pub fn to_vec(&self) -> Vec<u8>

Converts the underlying BLAKE2b hash digest array to a Vec

Trait Implementations

impl AsRef<[u8]> for Blake2bHash

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

Performs the conversion.

impl Clone for Blake2bHash

fn clone(&self) -> Blake2bHash

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for Blake2bHash

impl Debug for Blake2bHash

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

Formats the value using the given formatter.

impl Default for Blake2bHash

fn default() -> Blake2bHash

Returns the "default value" for a type.

impl<'de> Deserialize<'de> for Blake2bHash

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

Deserialize this value from the given Serde deserializer.

impl Display for Blake2bHash

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

Formats the value using the given formatter.

impl Eq for Blake2bHash

impl From<[u8; 32]> for Blake2bHash

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

Performs the conversion.

impl FromBytes for Blake2bHash

fn from_bytes(bytes: &[u8]) -> Result<(Self, &[u8]), Error>

Deserializes the slice into Self.

pub fn from_vec(
    bytes: Vec<u8, Global>
) -> Result<(Self, Vec<u8, Global>), Error>

Deserializes the Vec<u8> into Self.

impl Hash for Blake2bHash

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

Feeds this value into the given Hasher.

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

Feeds a slice of this type into the given Hasher.

impl Into<[u8; 32]> for Blake2bHash

fn into(self) -> [u8; 32]

Performs the conversion.

impl LowerHex for Blake2bHash

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

Formats the value using the given formatter.

impl Ord for Blake2bHash

fn cmp(&self, other: &Blake2bHash) -> Ordering

This method returns an Ordering between self and other.

#[must_use]pub fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]pub fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<Blake2bHash> for Blake2bHash

fn eq(&self, other: &Blake2bHash) -> bool

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

fn ne(&self, other: &Blake2bHash) -> bool

This method tests for !=.

impl PartialOrd<Blake2bHash> for Blake2bHash

fn partial_cmp(&self, other: &Blake2bHash) -> Option<Ordering>

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

fn lt(&self, other: &Blake2bHash) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Blake2bHash) -> bool

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

fn gt(&self, other: &Blake2bHash) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Blake2bHash) -> bool

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

impl Serialize for Blake2bHash

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

Serialize this value into the given Serde serializer.

impl<K, V> Store<Blake2bHash, Trie<K, V>> for InMemoryTrieStore

type Error = Error

type Handle = Option<String>

fn handle(&self) -> Self::Handle

fn get<T>(&self, txn: &T, key: &K) -> Result<Option<V>, Self::Error> where
    T: Readable<Handle = Self::Handle>,
    K: ToBytes,
    V: FromBytes,
    Self::Error: From<T::Error>, 

fn put<T>(&self, txn: &mut T, key: &K, value: &V) -> Result<(), Self::Error> where
    T: Writable<Handle = Self::Handle>,
    K: ToBytes,
    V: ToBytes,
    Self::Error: From<T::Error>, 

impl<K, V> Store<Blake2bHash, Trie<K, V>> for LmdbTrieStore

type Error = Error

type Handle = Database

fn handle(&self) -> Self::Handle

fn get<T>(&self, txn: &T, key: &K) -> Result<Option<V>, Self::Error> where
    T: Readable<Handle = Self::Handle>,
    K: ToBytes,
    V: FromBytes,
    Self::Error: From<T::Error>, 

fn put<T>(&self, txn: &mut T, key: &K, value: &V) -> Result<(), Self::Error> where
    T: Writable<Handle = Self::Handle>,
    K: ToBytes,
    V: ToBytes,
    Self::Error: From<T::Error>, 

impl StructuralEq for Blake2bHash

impl StructuralPartialEq for Blake2bHash

impl ToBytes for Blake2bHash

fn to_bytes(&self) -> Result<Vec<u8>, Error>

Serializes &self to a Vec<u8>.

fn serialized_length(&self) -> usize

Returns the length of the Vec<u8> which would be returned from a successful call to to_bytes() or into_bytes(). The data is not actually serialized, so this call is relatively cheap.

pub fn into_bytes(self) -> Result<Vec<u8, Global>, Error>

Consumes self and serializes to a Vec<u8>.

impl<'a> TryFrom<&'a [u8]> for Blake2bHash

type Error = TryFromSliceError

The type returned in the event of a conversion error.

fn try_from(slice: &[u8]) -> Result<Blake2bHash, Self::Error>

Performs the conversion.

impl UpperHex for Blake2bHash

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

Formats the value using the given formatter.