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Struct cumulus_primitives_core::Digest

pub struct Digest {
    pub logs: Vec<DigestItem>,
}
Expand description

Generic header digest.

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§logs: Vec<DigestItem>

A list of logs in the digest.

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impl Digest

pub fn logs(&self) -> &[DigestItem]

Get reference to all digest items.

pub fn push(&mut self, item: DigestItem)

Push new digest item.

pub fn pop(&mut self) -> Option<DigestItem>

Pop a digest item.

pub fn log<T, F>(&self, predicate: F) -> Option<&T>
where F: Fn(&DigestItem) -> Option<&T>, T: ?Sized,

Get reference to the first digest item that matches the passed predicate.

pub fn convert_first<T, F>(&self, predicate: F) -> Option<T>
where F: Fn(&DigestItem) -> Option<T>,

Get a conversion of the first digest item that successfully converts using the function.

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impl Clone for Digest

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fn clone(&self) -> Digest

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 Digest

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

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

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

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 Default for Digest

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fn default() -> Digest

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for Digest

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fn deserialize<__D>( __deserializer: __D, ) -> Result<Digest, <__D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Encode for Digest

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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>( &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 encode(&self) -> Vec<u8>

Convert self to an owned vector.
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fn using_encoded<__CodecOutputReturn, __CodecUsingEncodedCallback>( &self, f: __CodecUsingEncodedCallback, ) -> __CodecOutputReturn
where __CodecUsingEncodedCallback: FnOnce(&[u8]) -> __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 PartialEq for Digest

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

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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 TypeInfo for Digest

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type Identity = Digest

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 EncodeLike for Digest

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impl Eq for Digest

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impl StorageAppend<DigestItem> for Digest

We abuse the fact that SCALE does not put any marker into the encoding, i.e. we only encode the internal vec and we can append to this vec. We have a test that ensures that if the Digest format ever changes, we need to remove this here.

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impl StructuralPartialEq for Digest

Auto Trait Implementations§

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impl Freeze for Digest

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impl RefUnwindSafe for Digest

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impl Send for Digest

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impl Sync for Digest

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impl Unpin for Digest

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impl UnwindSafe for Digest

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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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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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> Clear for T
where T: Default + Eq + PartialEq,

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fn is_clear(&self) -> bool

True iff no bits are set.
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fn clear() -> T

Return the value of Self that is clear.
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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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Converts self into T using Into<T>. Read more
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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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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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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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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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,

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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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where &'a Self: for<'a> IntoIterator,

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Returns the argument unchanged.

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

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fn blake2_128(&self) -> [u8; 16]

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fn blake2_256(&self) -> [u8; 32]

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fn blake2_128_concat(&self) -> Vec<u8>

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fn twox_128(&self) -> [u8; 16]

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fn twox_256(&self) -> [u8; 32]

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fn twox_64_concat(&self) -> Vec<u8>

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fn identity(&self) -> Vec<u8>

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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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