Enum frame_support::metadata::StorageHasher

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pub enum StorageHasher {
    Blake2_128,
    Blake2_256,
    Blake2_128Concat,
    Twox128,
    Twox256,
    Twox64Concat,
    Identity,
}

Expand description

Hasher used by storage maps

Variants

`Blake2_128`

`Blake2_256`

`Blake2_128Concat`

`Twox128`

`Twox256`

`Twox64Concat`

`Identity`

Trait Implementations

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impl Clone for StorageHasher

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pub fn clone(&self) -> StorageHasher

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

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impl Debug for StorageHasher

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

Formats the value using the given formatter. Read more

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impl Decode for StorageHasher

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pub fn decode<CodecInputEdqy>(
codec_input_edqy: &mut CodecInputEdqy
) -> Result<StorageHasher, Error> where
CodecInputEdqy: Input,

Attempt to deserialise the value from input.

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fn skip(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 Encode for StorageHasher

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pub fn encode_to<CodecOutputEdqy>(
 &self,
 codec_dest_edqy: &mut CodecOutputEdqy
) where
 CodecOutputEdqy: Output + ?Sized,

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

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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(&self) -> Vec<u8, Global>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

Convert self to an owned vector.

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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.

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fn encoded_size(&self) -> usize

Calculates the encoded size. Read more

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impl PartialEq<StorageHasher> for StorageHasher

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

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

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

This method tests for !=.

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impl Serialize for StorageHasher

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pub 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

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impl StructuralPartialEq for StorageHasher

Auto Trait Implementations

impl RefUnwindSafe for StorageHasher

impl Send for StorageHasher

impl Sync for StorageHasher

impl Unpin for StorageHasher

impl UnwindSafe for StorageHasher

Blanket Implementations

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

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pub 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,

const: unstable · source

pub 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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> CheckedConversion for T

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fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more

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fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more

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impl<T> DecodeAll for T where
T: Decode,

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

Decode Self and consume all of the given input data. Read more

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impl<T> DecodeLimit for T where
T: Decode,

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

Decode Self and consume all of the given input data. Read more

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

Decode Self with the given maximum recursion depth. Read more

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impl<T> DynClone for T where
T: Clone,

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

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impl<T> From<T> for T

const: unstable · source

pub 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>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

const: unstable · source

pub 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> IsType<T> for T

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fn from_ref(t: &T) -> &Self

Cast reference.

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fn into_ref(&self) -> &T

Cast reference.

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fn from_mut(t: &mut T) -> &mut Self

Cast mutable reference.

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

Cast mutable reference.

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impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

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pub fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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pub 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 T where
T: Codec,

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pub fn to_keyed_vec(&self, prepend_key: &[u8 ]) -> Vec<u8, Global>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

Return an encoding of Self prepended by given slice.

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> SaturatedConversion for T

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fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more

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fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

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

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

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pub fn unchecked_into(self) -> T

The counterpart to unchecked_from.

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impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>,

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pub fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

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impl<V, T> VZip<V> for T where
V: MultiLane<T>,

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pub fn vzip(self) -> V

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impl<S> Codec for S where
S: Decode + Encode,

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impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where
T: Encode,

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impl<'_, T> EncodeLike<&'_ T> for T where
T: Encode,

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impl<'_, T> EncodeLike<&'_ mut T> for T where
T: Encode,

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

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

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

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

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

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

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impl<T> MaybeDebug for T where
T: Debug,

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impl<T> MaybeDebug for T where
T: Debug,

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impl<T> MaybeRefUnwindSafe for T where
T: RefUnwindSafe,

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impl<T> MaybeSerialize for T where
T: Serialize,

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impl<T> Member for T where
T: 'static + Send + Sync + Debug + Eq + PartialEq<T> + Clone,

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Enum frame_support::metadata::StorageHasher

Variants

Blake2_128

Blake2_256

Blake2_128Concat

Twox128

Twox256

Twox64Concat

Identity

Trait Implementations

impl Clone for StorageHasher

pub fn clone(&self) -> StorageHasher

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

impl Debug for StorageHasher

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

impl Decode for StorageHasher

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

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

fn encoded_fixed_size() -> Option<usize>

impl Encode for StorageHasher

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

fn size_hint(&self) -> usize

fn encode(&self) -> Vec<u8, Global>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

fn using_encoded<R, F>(&self, f: F) -> R where F: FnOnce(&[u8]) -> R,

fn encoded_size(&self) -> usize

impl PartialEq<StorageHasher> for StorageHasher

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

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

impl Serialize for StorageHasher

pub fn serialize<__S>( &self, __serializer: __S) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error> where __S: Serializer,

impl EncodeLike<StorageHasher> for StorageHasher

impl Eq for StorageHasher

impl StructuralEq for StorageHasher

impl StructuralPartialEq for StorageHasher

Auto Trait Implementations

impl RefUnwindSafe for StorageHasher

impl Send for StorageHasher

impl Sync for StorageHasher

impl Unpin for StorageHasher

impl UnwindSafe for StorageHasher

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<T> CheckedConversion for T

fn checked_from<T>(t: T) -> Option<Self> where Self: TryFrom<T>,

fn checked_into<T>(self) -> Option<T> where Self: TryInto<T>,

impl<T> DecodeAll for T where T: Decode,

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

impl<T> DecodeLimit for T where T: Decode,

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

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

impl<T> DynClone for T where T: Clone,

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

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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

pub fn into(self) -> U

impl<T> IsType<T> for T

fn from_ref(t: &T) -> &Self

fn into_ref(&self) -> &T

fn from_mut(t: &mut T) -> &mut Self

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

impl<T, Outer> IsWrappedBy<Outer> for T where Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,

pub fn from_ref(outer: &Outer) -> &T

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

impl<T> KeyedVec for T where T: Codec,

pub fn to_keyed_vec(&self, prepend_key: &[u8]) -> Vec<u8, Global>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

impl<T> Same<T> for T

type Output = T

impl<T> SaturatedConversion for T

fn saturated_from<T>(t: T) -> Self where Self: UniqueSaturatedFrom<T>,

fn saturated_into<T>(self) -> T where Self: UniqueSaturatedInto<T>,

impl<T> ToOwned for T where T: Clone,

`Blake2_128`

`Blake2_256`

`Blake2_128Concat`

`Twox128`

`Twox256`

`Twox64Concat`

`Identity`

pub fn decode<CodecInputEdqy>(
codec_input_edqy: &mut CodecInputEdqy
) -> Result<StorageHasher, Error> where
CodecInputEdqy: Input,

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

pub fn encode_to<CodecOutputEdqy>(
&self,
codec_dest_edqy: &mut CodecOutputEdqy
) where
CodecOutputEdqy: Output + ?Sized,

fn encode(&self) -> Vec<u8, Global>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

fn using_encoded<R, F>(&self, f: F) -> R where
F: FnOnce(&[u8 ]) -> R,

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

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>,

fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

impl<T> DecodeAll for T where
T: Decode,

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

impl<T> DecodeLimit for T where
T: Decode,

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

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

impl<T> DynClone for T where
T: Clone,

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

impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

impl<T> KeyedVec for T where
T: Codec,

pub fn to_keyed_vec(&self, prepend_key: &[u8 ]) -> Vec<u8, Global>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,

fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,

impl<T> ToOwned for T where
T: Clone,

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

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

impl<S> Codec for S where
S: Decode + Encode,

impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where
T: Encode,

impl<'_, T> EncodeLike<&'_ T> for T where
T: Encode,

impl<'_, T> EncodeLike<&'_ mut T> for T where
T: Encode,

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

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

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

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

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

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

impl<T> MaybeDebug for T where
T: Debug,

impl<T> MaybeDebug for T where
T: Debug,

impl<T> MaybeRefUnwindSafe for T where
T: RefUnwindSafe,

impl<T> MaybeSerialize for T where
T: Serialize,

impl<T> Member for T where
T: 'static + Send + Sync + Debug + Eq + PartialEq<T> + Clone,

impl<T> Parameter for T where
T: Codec + EncodeLike<T> + Clone + Eq + Debug,