Struct sp_core::ecdsa::Public

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pub struct Public(pub [u8; 33]);
Expand description

The ECDSA compressed public key.

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§0: [u8; 33]

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impl Public

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pub fn from_raw(data: [u8; 33]) -> Self

A new instance from the given 33-byte data.

NOTE: No checking goes on to ensure this is a real public key. Only use it if you are certain that the array actually is a pubkey. GIGO!

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pub fn from_full(full: &[u8]) -> Result<Self, ()>

Create a new instance from the given full public key.

This will convert the full public key into the compressed format.

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impl AsMut<[u8]> for Public

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

Converts this type into a mutable reference of the (usually inferred) input type.
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impl AsRef<[u8]> for Public

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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 ByteArray for Public

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const LEN: usize = 33usize

The “length” of the values of this type, which is always the same.
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fn from_slice(data: &[u8]) -> Result<Self, ()>

A new instance from the given slice that should be Self::LEN bytes long.
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fn to_raw_vec(&self) -> Vec<u8>

Return a Vec<u8> filled with raw data.
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fn as_slice(&self) -> &[u8]

Return a slice filled with raw data.
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impl Clone for Public

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fn clone(&self) -> Public

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 Public

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type Pair = Pair

The pair key type of this crypto.
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impl Debug for Public

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

Formats the value using the given formatter. Read more
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impl Decode for Public

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

Attempt to deserialise the value from input.
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fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self> ) -> Result<DecodeFinished, Error>where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory. Read more
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fn skip<I>(input: &mut I) -> Result<(), Error>where I: Input,

Attempt to skip the encoded value from input. Read more
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fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more
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impl Derive for Public

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fn derive<Iter: Iterator<Item = DeriveJunction>>( &self, _path: Iter ) -> Option<Self>

Derive a child key from a series of given junctions. Read more
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impl<'de> Deserialize<'de> for Public

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

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

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

Formats the value using the given formatter. Read more
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impl Encode for Public

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

Convert self to a slice and append it to the destination.
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fn encode(&self) -> Vec<u8>

Convert self to an owned vector.
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fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R

Convert self to a slice and then invoke the given closure with it.
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fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding. Read more
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fn encoded_size(&self) -> usize

Calculates the encoded size. Read more
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impl From<Pair> for Public

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fn from(x: Pair) -> Self

Converts to this type from the input type.
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impl FromEntropy for Public

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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.
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impl Hash for Public

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

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 MaxEncodedLen for Public

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fn max_encoded_len() -> usize

Upper bound, in bytes, of the maximum encoded size of this item.
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impl Ord for Public

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

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

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

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

Restrict a value to a certain interval. Read more
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impl PartialEq<Public> for Public

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

This method tests for self and other values to be equal, and is used by ==.
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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.
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impl PartialOrd<Public> for Public

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fn partial_cmp(&self, other: &Public) -> 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

This method 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

This method 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

This method 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

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

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type PassBy = Inner<Public, [u8; 33]>

The strategy that should be used to pass the type.
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impl PassByInner for Public

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type Inner = [u8; 33]

The inner type that is wrapped by Self.
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fn into_inner(self) -> Self::Inner

Consumes self and returns the inner type.
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fn inner(&self) -> &Self::Inner

Returns the reference to the inner type.
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fn from_inner(inner: Self::Inner) -> Self

Construct Self from the given inner.
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impl Serialize for Public

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

Serialize this value into the given Serde serializer. Read more
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impl TryFrom<&[u8]> for Public

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type Error = ()

The type returned in the event of a conversion error.
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fn try_from(data: &[u8]) -> Result<Self, Self::Error>

Performs the conversion.
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impl TypeInfo for Public

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type Identity = Public

The type identifying for which type info is provided. Read more
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fn type_info() -> Type

Returns the static type identifier for Self.
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impl UncheckedFrom<[u8; 33]> for Public

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fn unchecked_from(x: [u8; 33]) -> 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.
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impl Copy for Public

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impl EncodeLike<Public> for Public

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impl Eq for Public

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impl Public for Public

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impl StructuralEq for Public

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impl StructuralPartialEq for Public

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere 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, U> AsByteSlice<T> for Uwhere T: ToByteSlice, U: AsRef<[T]> + ?Sized,

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

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impl<T, U> AsMutByteSlice<T> for Uwhere T: ToMutByteSlice, U: AsMut<[T]> + ?Sized,

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

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impl<U> AsMutSliceOf for Uwhere U: AsMut<[u8]> + ?Sized,

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fn as_mut_slice_of<T>(&mut self) -> Result<&mut [T], Error>where T: FromByteSlice,

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impl<U> AsSliceOf for Uwhere U: AsRef<[u8]> + ?Sized,

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fn as_slice_of<T>(&self) -> Result<&[T], Error>where T: FromByteSlice,

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impl<T> Borrow<T> for Twhere 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 Twhere 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> CallHasher for Twhere T: Hash + ?Sized,

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fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64where H: Hash + ?Sized, B: BuildHasher,

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impl<T> DecodeAll for Twhere T: Decode,

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fn decode_all(input: &mut &[u8]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more
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impl<T> DecodeLimit for Twhere T: Decode,

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fn decode_all_with_depth_limit( limit: u32, input: &mut &[u8] ) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more
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fn decode_with_depth_limit<I>(limit: u32, input: &mut I) -> Result<T, Error>where I: Input,

Decode Self with the given maximum recursion depth and advance input by the number of bytes consumed. Read more
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impl<T> DynClone for Twhere T: Clone,

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

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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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> FromFFIValue for Twhere T: PassBy,

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type SelfInstance = T

As Self can be an unsized type, it needs to be represented by a sized type at the host. This SelfInstance is the sized type.
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fn from_ffi_value( context: &mut dyn FunctionContext, arg: <<T as PassBy>::PassBy as RIType>::FFIType ) -> Result<T, String>

Create SelfInstance from the given
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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>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for Twhere U: From<T>,

const: unstable · source§

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> IntoFFIValue for Twhere T: PassBy,

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fn into_ffi_value( self, context: &mut dyn FunctionContext ) -> Result<<<T as PassBy>::PassBy as RIType>::FFIType, String>

Convert self into a ffi value.
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impl<T, Outer> IsWrappedBy<Outer> for Twhere Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,

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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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impl<T> KeyedVec for Twhere T: Codec,

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fn to_keyed_vec(&self, prepend_key: &[u8]) -> Vec<u8, Global>

Return an encoding of Self prepended by given slice.
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impl<T> Pointable for T

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const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> RIType for Twhere T: PassBy,

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type FFIType = <<T as PassBy>::PassBy as RIType>::FFIType

The ffi type that is used to represent Self.
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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> Ss58Codec for Twhere T: AsMut<[u8]> + AsRef<[u8]> + Public + Derive,

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fn from_string(s: &str) -> Result<T, PublicError>

Some if the string is a properly encoded SS58Check address, optionally with a derivation path following.
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fn from_string_with_version( s: &str ) -> Result<(T, Ss58AddressFormat), PublicError>

Some if the string is a properly encoded SS58Check address, optionally with a derivation path following.
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fn format_is_allowed(f: Ss58AddressFormat) -> bool

A format filterer, can be used to ensure that from_ss58check family only decode for allowed identifiers. By default just refuses the two reserved identifiers.
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fn from_ss58check(s: &str) -> Result<Self, PublicError>

Some if the string is a properly encoded SS58Check address.
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fn from_ss58check_with_version( s: &str ) -> Result<(Self, Ss58AddressFormat), PublicError>

Some if the string is a properly encoded SS58Check address.
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fn to_ss58check_with_version(&self, version: Ss58AddressFormat) -> String

Return the ss58-check string for this key.
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fn to_ss58check(&self) -> String

Return the ss58-check string for this key.
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impl<T> ToHex for Twhere T: AsRef<[u8]>,

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fn encode_hex<U>(&self) -> Uwhere U: FromIterator<char>,

Encode the hex strict representing self into the result. Lower case letters are used (e.g. f9b4ca)
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fn encode_hex_upper<U>(&self) -> Uwhere U: FromIterator<char>,

Encode the hex strict representing self into the result. Upper case letters are used (e.g. F9B4CA)
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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<S, T> UncheckedInto<T> for Swhere T: UncheckedFrom<S>,

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fn unchecked_into(self) -> T

The counterpart to unchecked_from.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<S> Codec for Swhere S: Decode + Encode,

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impl<T> DeserializeOwned for Twhere T: for<'de> Deserialize<'de>,

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impl<T> EncodeLike<&&T> for Twhere T: Encode,

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impl<T> EncodeLike<&T> for Twhere T: Encode,

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impl<T> EncodeLike<&mut T> for Twhere T: Encode,

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impl<T> EncodeLike<Arc<T>> for Twhere T: Encode,

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impl<T> EncodeLike<Box<T, Global>> for Twhere T: Encode,

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impl<'a, T> EncodeLike<Cow<'a, T>> for Twhere T: ToOwned + Encode,

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impl<T> EncodeLike<Rc<T>> for Twhere T: Encode,

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impl<S> FullCodec for Swhere S: Decode + FullEncode,

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impl<S> FullEncode for Swhere S: Encode + EncodeLike<S>,

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impl<T> JsonSchemaMaybe for T

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impl<T> MaybeDebug for Twhere T: Debug,

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impl<T> MaybeRefUnwindSafe for Twhere T: RefUnwindSafe,

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impl<T> StaticTypeInfo for Twhere T: TypeInfo + 'static,