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Struct sp_core::sr25519::Pair

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

An Schnorrkel/Ristretto x25519 (“sr25519”) key pair.

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impl Pair

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pub fn make_bytes<const N: usize>( &self, context: &[u8], input: &VrfInput, ) -> [u8; N]
where [u8; N]: Default,

Generate output bytes from the given VRF configuration.

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impl Pair

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pub fn verify_deprecated<M: AsRef<[u8]>>( sig: &Signature, message: M, pubkey: &Public, ) -> bool

Verify a signature on a message. Returns true if the signature is good. Supports old 0.1.1 deprecated signatures and should be used only for backward compatibility.

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impl AsRef<Keypair> for Pair

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fn as_ref(&self) -> &Keypair

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

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl CryptoType for Pair

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type Pair = Pair

The pair key type of this crypto.
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impl From<Keypair> for Pair

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fn from(p: Keypair) -> Pair

Converts to this type from the input type.
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impl From<MiniSecretKey> for Pair

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fn from(sec: MiniSecretKey) -> Pair

Converts to this type from the input type.
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impl From<Pair> for Keypair

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fn from(p: Pair) -> Keypair

Converts to this type from the input type.
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impl From<SecretKey> for Pair

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fn from(sec: SecretKey) -> Pair

Converts to this type from the input type.
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impl Pair for Pair

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fn public(&self) -> Public

Get the public key.

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fn from_seed_slice(seed: &[u8]) -> Result<Pair, SecretStringError>

Make a new key pair from raw secret seed material.

This is generated using schnorrkel’s Mini-Secret-Keys.

A MiniSecretKey is literally what Ed25519 calls a SecretKey, which is just 32 random bytes.

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type Public = CryptoBytes<PUBLIC_KEY_SERIALIZED_SIZE, Sr25519PublicTag>

The type which is used to encode a public key.
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type Seed = [u8; 32]

The type used to (minimally) encode the data required to securely create a new key pair.
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type Signature = CryptoBytes<SIGNATURE_SERIALIZED_SIZE, (SignatureTag, Sr25519Tag)>

The type used to represent a signature. Can be created from a key pair and a message and verified with the message and a public key.
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fn derive<Iter: Iterator<Item = DeriveJunction>>( &self, path: Iter, seed: Option<[u8; 32]>, ) -> Result<(Pair, Option<[u8; 32]>), DeriveError>

Derive a child key from a series of given junctions.
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fn sign(&self, message: &[u8]) -> Signature

Sign a message.
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fn verify<M: AsRef<[u8]>>(sig: &Signature, message: M, pubkey: &Public) -> bool

Verify a signature on a message. Returns true if the signature is good.
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fn to_raw_vec(&self) -> Vec<u8> ⓘ

Return a vec filled with raw data.
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fn generate() -> (Self, Self::Seed)

Generate new secure (random) key pair. Read more
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fn generate_with_phrase(password: Option<&str>) -> (Self, String, Self::Seed)

Generate new secure (random) key pair and provide the recovery phrase. Read more
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fn from_phrase( phrase: &str, password: Option<&str>, ) -> Result<(Self, Self::Seed), SecretStringError>

Returns the KeyPair from the English BIP39 seed phrase, or an error if it’s invalid.
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fn from_seed(seed: &Self::Seed) -> Self

Generate new key pair from the provided seed. Read more
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fn from_string_with_seed( s: &str, password_override: Option<&str>, ) -> Result<(Self, Option<Self::Seed>), SecretStringError>

Interprets the string s in order to generate a key Pair. Returns both the pair and an optional seed, in the case that the pair can be expressed as a direct derivation from a seed (some cases, such as Sr25519 derivations with path components, cannot). Read more
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fn from_string( s: &str, password_override: Option<&str>, ) -> Result<Self, SecretStringError>

Interprets the string s in order to generate a key pair. Read more
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impl VrfCrypto for Pair

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type VrfInput = VrfTranscript

VRF input.
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type VrfPreOutput = VrfPreOutput

VRF pre-output.
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type VrfSignData = VrfSignData

VRF signing data.
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type VrfSignature = VrfSignature

VRF signature.
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impl VrfSecret for Pair

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fn vrf_sign(&self, data: &Self::VrfSignData) -> Self::VrfSignature

Sign VRF-specific data.
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fn vrf_pre_output(&self, input: &Self::VrfInput) -> Self::VrfPreOutput

Get VRF-specific pre-output.

Auto Trait Implementations§

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impl Freeze for Pair

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impl RefUnwindSafe for Pair

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impl Send for Pair

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impl Sync for Pair

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impl Unpin for Pair

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impl UnwindSafe for Pair

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> Conv for T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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impl<T> FmtForward for T

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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T, Outer> IsWrappedBy<Outer> for T
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fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

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where T: ?Sized,

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more
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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
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Mutably borrows self and passes that borrow into the pipe function. Read more
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where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

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const ALIGN: usize = _

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type Output = T

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