Struct ink_primitives::Hash

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

The default environment Hash type.

Note

This is a mirror of the Hash type used in the default configuration of PALLET contracts.

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impl AsMut<[u8]> for Hash

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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 Hash

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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 Clear for Hash

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const CLEAR_HASH: Self = _

The clear hash.
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fn is_clear(&self) -> bool

Returns true if the hash is clear.
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impl Clone for Hash

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fn clone(&self) -> Hash

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 Debug for Hash

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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 Hash

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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 DecodeAsFields for Hash

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fn decode_as_fields<'info, R: TypeResolver>( input: &mut &[u8], fields: &mut dyn FieldIter<'info, R::TypeId>, types: &'info R ) -> Result<Self, Error>

Given some bytes and some fields denoting their structure, attempt to decode.
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impl Default for Hash

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fn default() -> Hash

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

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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 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<__CodecOutputReturn, __CodecUsingEncodedCallback: FnOnce(&[u8]) -> __CodecOutputReturn>( &self, f: __CodecUsingEncodedCallback ) -> __CodecOutputReturn

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

Calculates the encoded size. Read more
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impl EncodeAsFields for Hash

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fn encode_as_fields_to<ScaleEncodeResolver: TypeResolver>( &self, __encode_as_type_fields: &mut dyn FieldIter<'_, ScaleEncodeResolver::TypeId>, __encode_as_type_types: &ScaleEncodeResolver, __encode_as_type_out: &mut Vec<u8> ) -> Result<(), Error>

Given some fields describing the shape of a type, attempt to encode to that shape.
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fn encode_as_fields<R>( &self, fields: &mut dyn FieldIter<'_, <R as TypeResolver>::TypeId, Item = Field<'_, <R as TypeResolver>::TypeId>>, types: &R ) -> Result<Vec<u8>, Error>where R: TypeResolver,

This is a helper function which internally calls [EncodeAsFields::encode_as_fields_to]. Prefer to implement that instead.
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impl EncodeAsType for Hash

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fn encode_as_type_to<ScaleEncodeResolver: TypeResolver>( &self, __encode_as_type_type_id: &ScaleEncodeResolver::TypeId, __encode_as_type_types: &ScaleEncodeResolver, __encode_as_type_out: &mut Vec<u8> ) -> Result<(), Error>

Given some type_id, types, a context and some output target for the SCALE encoded bytes, attempt to SCALE encode the current value into the type given by type_id.
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fn encode_as_type<R>( &self, type_id: &<R as TypeResolver>::TypeId, types: &R ) -> Result<Vec<u8>, Error>where R: TypeResolver,

This is a helper function which internally calls [EncodeAsType::encode_as_type_to]. Prefer to implement that instead.
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impl From<[u8; 32]> for Hash

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fn from(original: [u8; 32]) -> Hash

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

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fn from(hash: Hash) -> Self

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

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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 IntoVisitor for Hash

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type AnyVisitor<ScaleDecodeTypeResolver: TypeResolver> = Visitor<ScaleDecodeTypeResolver>

The visitor type used to decode SCALE encoded bytes to Self.
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fn into_visitor<ScaleDecodeTypeResolver: TypeResolver>( ) -> Self::AnyVisitor<ScaleDecodeTypeResolver>

A means of obtaining this visitor.
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impl MaxEncodedLen for Hash

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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 Hash

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fn cmp(&self, other: &Hash) -> 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,

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

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fn eq(&self, other: &Hash) -> 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 for Hash

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fn partial_cmp(&self, other: &Hash) -> 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<'a> TryFrom<&'a [u8]> for Hash

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type Error = TryFromSliceError

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

Performs the conversion.
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impl TypeInfo for Hash

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type Identity = Hash

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 Copy for Hash

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impl EncodeLike for Hash

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impl Eq for Hash

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impl StructuralEq for Hash

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impl StructuralPartialEq for Hash

Auto Trait Implementations§

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impl RefUnwindSafe for Hash

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impl Send for Hash

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impl Sync for Hash

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impl Unpin for Hash

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impl UnwindSafe for Hash

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> 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> DecodeAsType for Twhere T: IntoVisitor,

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fn decode_as_type_maybe_compact<R>( input: &mut &[u8], type_id: &<R as TypeResolver>::TypeId, types: &R, is_compact: bool ) -> Result<T, Error>where R: TypeResolver,

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fn decode_as_type<R>( input: &mut &[u8], type_id: &<R as TypeResolver>::TypeId, types: &R ) -> Result<Self, Error>where R: TypeResolver,

Given some input bytes, a type_id, and type registry, attempt to decode said bytes into Self. Implementations should modify the &mut reference to the bytes such that any bytes not used in the course of decoding are still pointed to after decoding is complete.
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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere 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> KeyedVec for Twhere T: Codec,

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

Return an encoding of Self prepended by given slice.
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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, 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> Codec for Swhere S: Decode + Encode,

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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>> 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,

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impl<T> JsonSchemaMaybe for T

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

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impl<T> TypeId for Twhere T: Debug + Default,