Struct RecordRoot 

pub struct RecordRoot(/* private fields */);

Root of the record contained within a piece.

This is a Merkle Tree root of the roots of source and parity record chunks.

Implementations

impl RecordRoot

pub const SIZE: usize = 32

Size of record root in bytes.

pub fn is_valid( &self, segment_root: &SegmentRoot, record_proof: &RecordProof, position: PiecePosition, ) -> bool

Validate record root hash produced by the archiver

Trait Implementations

impl AnyBitPatternMarker for RecordRoot

where for<'__ab_io_type> [u8; 32]: AnyBitPatternMarker,

impl AsMut<[u8]> for RecordRoot

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

Converts this type into a mutable reference of the (usually inferred) input type.

impl AsRef<[u8]> for RecordRoot

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

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for RecordRoot

fn clone(&self) -> RecordRoot

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for RecordRoot

impl Debug for RecordRoot

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

Formats the value using the given formatter.

impl Decode for RecordRoot

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

Attempt to deserialise the value from input.

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.

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

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl Default for RecordRoot

fn default() -> Self

Returns the “default value” for a type.

impl Deref for RecordRoot

type Target = [u8; 32]

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl DerefMut for RecordRoot

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

impl<'de> Deserialize<'de> for RecordRoot

Available on crate feature serde only.

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Encode for RecordRoot

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding.

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

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

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

Convert self to an owned vector.

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.

fn encoded_size(&self) -> usize

Calculates the encoded size.

impl EncodeLike for RecordRoot

impl Eq for RecordRoot

impl<'a> From<&'a RecordRoot> for &'a [u8; 32]

fn from(value: &'a RecordRoot) -> Self

Converts to this type from the input type.

impl<'a> From<&'a [u8; 32]> for &'a RecordRoot

fn from(value: &'a [u8; 32]) -> Self

Converts to this type from the input type.

impl<'a> From<&'a mut RecordRoot> for &'a mut [u8; 32]

fn from(value: &'a mut RecordRoot) -> Self

Converts to this type from the input type.

impl<'a> From<&'a mut [u8; 32]> for &'a mut RecordRoot

fn from(value: &'a mut [u8; 32]) -> Self

Converts to this type from the input type.

impl From<RecordRoot> for [u8; 32]

fn from(value: RecordRoot) -> Self

Converts to this type from the input type.

impl From<[u8; 32]> for RecordRoot

fn from(value: [u8; 32]) -> Self

Converts to this type from the input type.

impl Hash for RecordRoot

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

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl MaxEncodedLen for RecordRoot

fn max_encoded_len() -> usize

Upper bound, in bytes, of the maximum encoded size of this item.

impl PartialEq for RecordRoot

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for RecordRoot

Available on crate feature serde only.

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

where S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for RecordRoot

impl TransparentWrapperBase for RecordRoot

type Inner = [u8; 32]

The wrapped type

impl TrivialType for RecordRoot

where [u8; 32]: TrivialType,

const ALIGNMENT: Alignment

Alignment of the type in metadata.

const METADATA: &[u8]

Data structure metadata in binary form, describing shape and types of the contents, see IoTypeMetadataKind for encoding details.

fn try_from_bytes_unaligned(bytes: &[u8]) -> Option<(&Unaligned<Self>, &[u8])>

Parse the beginning of bytes, which don’t need to be aligned.

const SIZE: u32 = _

final fn try_from_bytes(bytes: &[u8]) -> Option<(&Self, &[u8])>

Parse the beginning of aligned bytes, returns the value and the remaining bytes.

final fn try_from_bytes_exact(bytes: &[u8]) -> Option<&Self>

Like Self::try_from_bytes(), but returns None if there are more bytes than the value

final fn try_from_bytes_mut(bytes: &mut [u8]) -> Option<(&mut Self, &mut [u8])>

Like Self::try_from_bytes(), but returns an exclusive reference.

final fn try_read_unaligned(bytes: &[u8]) -> Option<(Self, &[u8])>

Read a copy from the beginning of bytes, which don’t need to be aligned, returns the value and the remaining bytes

final fn try_read_unaligned_exact(bytes: &[u8]) -> Option<Self>

Like Self::try_read_unaligned(), but returns None if there are more bytes than the value

final unsafe fn read_unaligned(bytes: &[u8]) -> Option<Self>

Read unaligned value from memory.

final unsafe fn read_unaligned_unchecked(bytes: &[u8]) -> Self

Similar to Self::read_unaligned(), but doesn’t do any checks at all.

final unsafe fn from_bytes(bytes: &[u8]) -> Option<&Self>

Create a reference to a type, which is represented by provided memory.

final unsafe fn from_bytes_unchecked(bytes: &[u8]) -> &Self

Similar to Self::from_bytes(), but doesn’t do any checks at all.

final unsafe fn from_bytes_mut(bytes: &mut [u8]) -> Option<&mut Self>

Create a mutable reference to a type, which is represented by provided memory.

final unsafe fn from_bytes_mut_unchecked(bytes: &mut [u8]) -> &mut Self

Similar to Self::from_bytes_mut(), but doesn’t do any checks at all.

final fn as_bytes(&self) -> &[u8; ab_io_type::trivial_type::SIZE_OF::<Self>]

Access the underlying byte representation of a data structure

final unsafe fn as_bytes_mut( &mut self, ) -> &mut [u8; ab_io_type::trivial_type::SIZE_OF::<Self>]

Access the underlying mutable byte representation of a data structure.

impl TryFrom<&[u8]> for RecordRoot

type Error = TryFromSliceError

The type returned in the event of a conversion error.

fn try_from(slice: &[u8]) -> Result<Self, Self::Error>

Performs the conversion.