Type Alias sp_core::crypto_bytes::SignatureBytes

pub type SignatureBytes<const N: usize, SubTag> = CryptoBytes<N, (SignatureTag, SubTag)>;

Generic encoded signature.

Aliased Type

struct SignatureBytes<const N: usize, SubTag>(pub [u8; N], _);

Fields

0: [u8; N]

Implementations

impl<T> CryptoBytes<32, T>

pub fn from_h256(x: H256) -> Self

A new instance from an H256.

impl<T> CryptoBytes<64, T>

pub fn from_h512(x: H512) -> Self

A new instance from an H512.

impl<const N: usize, T> CryptoBytes<N, T>

pub fn from_raw(inner: [u8; N]) -> Self

Construct from raw array.

pub fn to_raw(self) -> [u8; N]

Construct from raw array.

pub fn as_array_ref(&self) -> &[u8; N]

Return a slice filled with raw data.

impl CryptoBytes<SIGNATURE_SERIALIZED_SIZE, (SignatureTag, EcdsaTag)>

pub fn recover<M: AsRef<[u8]>>(&self, message: M) -> Option<Public>

Recover the public key from this signature and a message.

pub fn recover_prehashed(&self, message: &[u8; 32]) -> Option<Public>

Recover the public key from this signature and a pre-hashed message.

Trait Implementations

impl<const N: usize, SubTag> Debug for SignatureBytes<N, SubTag>

where Self: CryptoType,

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

Formats the value using the given formatter.

impl<'de, const N: usize, SubTag> Deserialize<'de> for SignatureBytes<N, SubTag>

where Self: CryptoType,

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

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<const N: usize, SubTag> Serialize for SignatureBytes<N, SubTag>

where Self: CryptoType,

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

where S: Serializer,

Serialize this value into the given Serde serializer.

impl<const N: usize, SubTag> Signature for SignatureBytes<N, SubTag>

where Self: CryptoType,

impl<const N: usize, T> AsMut<[u8]> for CryptoBytes<N, T>

fn as_mut(&mut self) -> &mut [u8]

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

impl<const N: usize, T> AsMut<[u8; N]> for CryptoBytes<N, T>

fn as_mut(&mut self) -> &mut [u8; N]

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

impl<const N: usize, T> AsRef<[u8]> for CryptoBytes<N, T>

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

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

impl<const N: usize, T> AsRef<[u8; N]> for CryptoBytes<N, T>

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

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

impl<const N: usize, T> ByteArray for CryptoBytes<N, T>

const LEN: usize = N

The “length” of the values of this type, which is always the same.

fn from_slice(data: &[u8]) -> Result<Self, ()>

A new instance from the given slice that should be Self::LEN bytes long.

fn to_raw_vec(&self) -> Vec<u8>

Return a Vec<u8> filled with raw data.

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

Return a slice filled with raw data.

impl<const N: usize, T> Clone for CryptoBytes<N, T>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<const N: usize, T> Decode for CryptoBytes<N, T>

where PhantomData<fn() -> T>: Decode,

fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy, ) -> Result<Self, Error>

Attempt to deserialise the value from input.

fn decode_into<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy, dst_: &mut MaybeUninit<Self>, ) -> Result<DecodeFinished, Error>

Attempt to deserialize the value from input into a pre-allocated piece of memory.

fn skip<I>(input: &mut I) -> Result<(), Error>

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl<const N: usize, T> Default for CryptoBytes<N, T>

fn default() -> Self

Returns the “default value” for a type.

impl<const N: usize, T> Deref for CryptoBytes<N, T>

type Target = [u8]

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<const N: usize, T> Encode for CryptoBytes<N, T>

where PhantomData<fn() -> T>: Encode,

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding.

fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy, )

Convert self to a slice and append it to the destination.

fn encode(&self) -> Vec<u8>

Convert self to an owned vector.

fn using_encoded<R, F>(&self, f: F) -> R

where F: FnOnce(&[u8]) -> R,

Convert self to a slice and then invoke the given closure with it.

fn encoded_size(&self) -> usize

Calculates the encoded size.

impl<const N: usize, T> From<[u8; N]> for CryptoBytes<N, T>

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

Converts to this type from the input type.

impl<const N: usize, T> FromEntropy for CryptoBytes<N, T>

fn from_entropy(input: &mut impl Input) -> Result<Self, Error>

Create a random value of Self given a stream of random bytes on input. May only fail if input has an error.

impl<const N: usize, T> Hash for CryptoBytes<N, T>

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<const N: usize, T> MaxEncodedLen for CryptoBytes<N, T>

where PhantomData<fn() -> T>: MaxEncodedLen,

fn max_encoded_len() -> usize

Upper bound, in bytes, of the maximum encoded size of this item.

impl<const N: usize, T> Ord for CryptoBytes<N, T>

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 + PartialOrd,

Restrict a value to a certain interval.

impl<const N: usize, T> PartialEq for CryptoBytes<N, T>

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

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

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

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

impl<const N: usize, T> PartialOrd for CryptoBytes<N, T>

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

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<const N: usize, T> PassBy for CryptoBytes<N, T>

type PassBy = Inner<CryptoBytes<N, T>, [u8; N]>

The strategy that should be used to pass the type.

impl<const N: usize, T> PassByInner for CryptoBytes<N, T>

type Inner = [u8; N]

The inner type that is wrapped by Self.

fn into_inner(self) -> Self::Inner

Consumes self and returns the inner type.

fn inner(&self) -> &Self::Inner

Returns the reference to the inner type.

fn from_inner(inner: Self::Inner) -> Self

Construct Self from the given inner.

impl<const N: usize, T> TryFrom<&[u8]> for CryptoBytes<N, T>

type Error = ()

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<const N: usize, T> TypeInfo for CryptoBytes<N, T>

type Identity = [u8; N]

The type identifying for which type info is provided.

fn type_info() -> Type

Returns the static type identifier for Self.

impl<const N: usize, T> UncheckedFrom<[u8; N]> for CryptoBytes<N, T>

fn unchecked_from(data: [u8; N]) -> Self

Convert from an instance of T to Self. This is not guaranteed to be whatever counts as a valid instance of T and it’s up to the caller to ensure that it makes sense.

impl<T> UncheckedFrom<H256> for CryptoBytes<32, T>

fn unchecked_from(x: H256) -> Self

Convert from an instance of T to Self. This is not guaranteed to be whatever counts as a valid instance of T and it’s up to the caller to ensure that it makes sense.

impl<const N: usize, T> Copy for CryptoBytes<N, T>

impl<const N: usize, T> EncodeLike for CryptoBytes<N, T>

where PhantomData<fn() -> T>: Encode,

impl<const N: usize, T> Eq for CryptoBytes<N, T>