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

Formats the value using the given formatter. Read more

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impl Decode for StorageHasher

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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 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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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 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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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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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 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> 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, 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> 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<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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Enum frame_metadata::StorageHasher

Variants

Blake2_128

Blake2_256

Blake2_128Concat

Twox128

Twox256

Twox64Concat

Identity

Trait Implementations

impl Clone for StorageHasher

fn clone(&self) -> StorageHasher

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

impl Debug for StorageHasher

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

impl Decode for StorageHasher

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

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

fn encoded_fixed_size() -> Option<usize>

impl Encode for StorageHasher

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

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

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

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

impl Serialize for StorageHasher

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::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> 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, 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> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

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

pub fn unchecked_into(self) -> T

`Blake2_128`

`Blake2_256`

`Blake2_128Concat`

`Twox128`

`Twox256`

`Twox64Concat`

`Identity`

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

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

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

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

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,`

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<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> MaybeRefUnwindSafe for T where
T: RefUnwindSafe,