Enum tendermint_light_client::types::Hash

pub enum Hash {
    Sha256([u8; 32]),
    None,
}

Hash digests

Variants

Sha256([u8; 32])

SHA-256 hashes

Tuple Fields of Sha256

0: [u8; 32]

None

Empty hash

Implementations

impl Hash

pub fn from_bytes(alg: Algorithm, bytes: &[u8]) -> Result<Hash, Error>

Create a new Hash with the given algorithm type

pub fn from_hex_upper(alg: Algorithm, s: &str) -> Result<Hash, Error>

Decode a Hash from upper-case hexadecimal

pub fn algorithm(self) -> Algorithm

Return the digest algorithm used to produce this hash

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

Borrow the Hash as a byte slice

pub fn is_empty(&self) -> bool

Convenience function to check for Hash::None

Trait Implementations

impl Clone for Hash

pub fn clone(&self) -> Hash

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Hash

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

Formats the value using the given formatter.

impl Default for Hash

pub fn default() -> Hash

Returns the “default value” for a type.

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

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

Deserialize this value from the given Serde deserializer.

impl Display for Hash

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

Formats the value using the given formatter.

impl FromStr for Hash

type Err = Error

The associated error which can be returned from parsing.

pub fn from_str(s: &str) -> Result<Hash, Error>

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

impl Hash for Hash

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

Feeds this value into the given Hasher.

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

Feeds a slice of this type into the given Hasher.

impl Ord for Hash

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

This method returns an Ordering between self and other.

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

Compares and returns the maximum of two values.

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

Compares and returns the minimum of two values.

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

Restrict a value to a certain interval.

impl PartialEq<Hash> for Hash

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

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

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

This method tests for !=.

impl PartialOrd<Hash> for Hash

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

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

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

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

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

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

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

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

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

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

impl Protobuf<Vec<u8, Global>> for Hash

fn encode<B>(&self, buf: &mut B) -> Result<(), Error> where
    B: BufMut, 

Encode into a buffer in Protobuf format.

fn encode_length_delimited<B>(&self, buf: &mut B) -> Result<(), Error> where
    B: BufMut, 

Encode with a length-delimiter to a buffer in Protobuf format.

fn decode<B>(buf: B) -> Result<Self, Error> where
    B: Buf, 

Constructor that attempts to decode an instance from a buffer.

fn decode_length_delimited<B>(buf: B) -> Result<Self, Error> where
    B: Buf, 

Constructor that attempts to decode a length-delimited instance from the buffer.

fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.

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

Encodes into a Protobuf-encoded Vec<u8>.

fn decode_vec(v: &[u8]) -> Result<Self, Error>

Constructor that attempts to decode a Protobuf-encoded instance from a Vec<u8> (or equivalent).

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

Encode with a length-delimiter to a Vec<u8> Protobuf-encoded message.

fn decode_length_delimited_vec(v: &[u8]) -> Result<Self, Error>

Constructor that attempts to decode a Protobuf-encoded instance with a length-delimiter from a Vec<u8> or equivalent.

impl Serialize for Hash

pub 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.

impl TryFrom<Vec<u8, Global>> for Hash

Default conversion from Vec is SHA256 Hash or None

type Error = Error

The type returned in the event of a conversion error.

pub fn try_from(
    value: Vec<u8, Global>
) -> Result<Hash, <Hash as TryFrom<Vec<u8, Global>>>::Error>

Performs the conversion.

impl Copy for Hash

impl Eq for Hash

impl StructuralEq for Hash

impl StructuralPartialEq for Hash