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TransactionDigest

iota_types::base_types

Struct TransactionDigest

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

Expand description

The digest of a Transaction.

Implementations§

impl TransactionDigest

pub const LENGTH: usize = Digest::LENGTH

A constant representing the length of the digest in bytes.

pub const ZERO: TransactionDigest

A constant representing a zero digest.

pub const MIN: TransactionDigest

The lexicographically minimum digest.

pub const MAX: TransactionDigest

The lexicographically maximum digest.

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

Generates a new digest from the provided 32 byte array.

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

Generates a new digest from the provided random number generator.

pub fn random() -> TransactionDigest

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<TransactionDigest, 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<TransactionDigest, DigestParseError>

Generates a digest from bytes.

pub const fn next_lexicographical(&self) -> TransactionDigest

Returns the next digest in byte-increasing order.

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

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

impl TransactionDigest

pub const GENESIS_MARKER: TransactionDigest = Self::ZERO

A digest used to signify the parent transaction was the genesis. Note that this is not the same as the digest of the genesis transaction, which cannot be known ahead of time.

pub const fn genesis_marker() -> TransactionDigest

Returns the digest used to signify the parent transaction was the genesis.

Trait Implementations§

impl Arbitrary for TransactionDigest

type Parameters = ()

The type of parameters that arbitrary_with accepts for configuration of the generated Strategy. Parameters must implement Default.

type Strategy = BoxedStrategy<TransactionDigest>

The type of Strategy used to generate values of type Self.

fn arbitrary_with( args_shared: <TransactionDigest as Arbitrary>::Parameters, ) -> <TransactionDigest 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

fn arbitrary() -> Self::Strategy

Generates a Strategy for producing arbitrary values of type the implementing type (Self). Read more

impl AsRef<[u8]> for TransactionDigest

fn as_ref(&self) -> &[u8] ⓘ

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

impl AsRef<[u8; 32]> for TransactionDigest

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

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

impl Clone for TransactionDigest

fn clone(&self) -> TransactionDigest

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

impl Debug for TransactionDigest

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

Formats the value using the given formatter. Read more

impl Default for TransactionDigest

fn default() -> TransactionDigest

Returns the “default value” for a type. Read more

impl<'de> Deserialize<'de> for TransactionDigest

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

Deserialize this value from the given Serde deserializer. Read more

impl Display for TransactionDigest

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

Formats the value using the given formatter. Read more

impl From<[u8; 32]> for TransactionDigest

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

Converts to this type from the input type.

impl From<Digest> for TransactionDigest

fn from(digest: Digest) -> TransactionDigest

Converts to this type from the input type.

impl From<TransactionDigest> for [u8; 32]

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

Converts to this type from the input type.

impl From<TransactionDigest> for Digest

fn from(digest: TransactionDigest) -> Digest

Converts to this type from the input type.

impl FromStr for TransactionDigest

type Err = DigestParseError

The associated error which can be returned from parsing.

fn from_str( s: &str, ) -> Result<TransactionDigest, <TransactionDigest as FromStr>::Err>

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

impl Hash for TransactionDigest

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

Feeds this value into the given Hasher. Read more

1.3.0 · Source§

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

impl LowerHex for TransactionDigest

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

Formats the value using the given formatter. Read more

impl Ord for TransactionDigest

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

This method returns an Ordering between self and other. Read more

1.21.0 · Source§

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

Compares and returns the maximum of two values. Read more

1.21.0 · Source§

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

Compares and returns the minimum of two values. Read more

1.50.0 · Source§

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

Restrict a value to a certain interval. Read more

impl PartialEq for TransactionDigest

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

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

impl PartialOrd for TransactionDigest

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

impl Serialize for TransactionDigest

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

impl UpperHex for TransactionDigest

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

Formats the value using the given formatter. Read more

impl Copy for TransactionDigest

impl Eq for TransactionDigest

impl StructuralPartialEq for TransactionDigest

Auto Trait Implementations§

impl Freeze for TransactionDigest

impl RefUnwindSafe for TransactionDigest

impl Send for TransactionDigest

impl Sync for TransactionDigest

impl Unpin for TransactionDigest

impl UnsafeUnpin for TransactionDigest

impl UnwindSafe for TransactionDigest

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🔬This is a nightly-only experimental API. (clone_to_uninit)

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