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CheckpointDigest

iota_types::digests

Struct CheckpointDigest 

pub struct CheckpointDigest(/* private fields */);
Expand description

The digest of a CheckpointSummary.

Implementations§

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impl CheckpointDigest

pub const LENGTH: usize = Digest::LENGTH

A constant representing the length of the digest in bytes.

pub const ZERO: CheckpointDigest

A constant representing a zero digest.

pub const MIN: CheckpointDigest

The lexicographically minimum digest.

pub const MAX: CheckpointDigest

The lexicographically maximum digest.

pub const fn new(digest: [u8; 32]) -> CheckpointDigest

Generates a new digest from the provided 32 byte array.

pub fn generate<R>(rng: R) -> CheckpointDigest
where R: RngCore + CryptoRng,

Generates a new digest from the provided random number generator.

pub fn random() -> CheckpointDigest

Generates a new random digest.

pub const fn as_digest(&self) -> &Digest

Returns a reference to the underlying Digest.

pub const fn into_digest(self) -> Digest

Returns the underlying Digest.

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

Returns a reference to the inner array representation of this digest.

pub const fn into_inner(self) -> [u8; 32]

Returns the inner array representation of this digest.

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

Returns a slice of bytes representing the digest.

pub fn from_base58<T>(base58: T) -> Result<CheckpointDigest, DigestParseError>
where T: AsRef<[u8]>,

Decodes a digest from a Base58 encoded string.

pub fn to_base58(&self) -> String

Returns a Base58 encoded string representation of this digest.

pub fn from_bytes( bytes: impl AsRef<[u8]>, ) -> Result<CheckpointDigest, DigestParseError>

Generates a digest from bytes.

pub const fn next_lexicographical(&self) -> CheckpointDigest

Returns the next digest in byte-increasing order.

pub const fn next_lexicographical_opt(&self) -> Option<CheckpointDigest>

Returns the next digest in byte-increasing order, or None if the result would overflow.

Trait Implementations§

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impl Arbitrary for CheckpointDigest

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type Parameters = ()

The type of parameters that arbitrary_with accepts for configuration of the generated Strategy. Parameters must implement Default.
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type Strategy = BoxedStrategy<CheckpointDigest>

The type of Strategy used to generate values of type Self.
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fn arbitrary_with( args_shared: <CheckpointDigest as Arbitrary>::Parameters, ) -> <CheckpointDigest as Arbitrary>::Strategy

Generates a Strategy for producing arbitrary values of type the implementing type (Self). The strategy is passed the arguments given in args. Read more
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fn arbitrary() -> Self::Strategy

Generates a Strategy for producing arbitrary values of type the implementing type (Self). Read more
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impl AsRef<[u8]> for CheckpointDigest

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fn as_ref(&self) -> &[u8] ⓘ

Converts this type into a shared reference of the (usually inferred) input type.
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impl AsRef<[u8; 32]> for CheckpointDigest

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

Converts this type into a shared reference of the (usually inferred) input type.
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impl Clone for CheckpointDigest

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fn clone(&self) -> CheckpointDigest

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for CheckpointDigest

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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 Default for CheckpointDigest

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fn default() -> CheckpointDigest

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for CheckpointDigest

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

Deserialize this value from the given Serde deserializer. Read more
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impl Display for CheckpointDigest

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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 From<[u8; 32]> for CheckpointDigest

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fn from(digest: [u8; 32]) -> CheckpointDigest

Converts to this type from the input type.
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impl From<CheckpointDigest> for [u8; 32]

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fn from(digest: CheckpointDigest) -> [u8; 32]

Converts to this type from the input type.
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impl From<CheckpointDigest> for ChainIdentifier

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fn from(digest: CheckpointDigest) -> Self

Converts to this type from the input type.
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impl From<CheckpointDigest> for Digest

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fn from(digest: CheckpointDigest) -> Digest

Converts to this type from the input type.
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impl From<Digest> for CheckpointDigest

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fn from(digest: Digest) -> CheckpointDigest

Converts to this type from the input type.
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impl FromStr for CheckpointDigest

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type Err = DigestParseError

The associated error which can be returned from parsing.
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fn from_str( s: &str, ) -> Result<CheckpointDigest, <CheckpointDigest as FromStr>::Err>

Parses a string s to return a value of this type. Read more
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impl Hash for CheckpointDigest

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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, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl LowerHex for CheckpointDigest

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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 Ord for CheckpointDigest

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

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for CheckpointDigest

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for CheckpointDigest

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

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

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

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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 UpperHex for CheckpointDigest

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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 Copy for CheckpointDigest

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impl Eq for CheckpointDigest

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impl StructuralPartialEq for CheckpointDigest

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