Struct InnerPiece 

#[repr(C)]
pub struct InnerPiece {
    pub header: PieceHeader,
    pub record: Record,
}

A piece of archival history.

This version is allocated on the stack, for a heap-allocated piece that can be moved around efficiently, see Piece.

Internally, a piece contains a record, supplementary record chunk root, and a proof proving this piece belongs to can be used to verify that a piece belongs to the actual archival history of the blockchain.

Fields

header: PieceHeader

Piece header

record: Record

Record contained within a piece

Implementations

impl InnerPiece

pub const SIZE: usize

Size of a piece (in bytes)

pub fn new_boxed() -> Box<Self>

Create boxed value without hitting stack overflow

pub fn is_valid( &self, super_segment_root: &SuperSegmentRoot, num_segments: u32, position: PiecePosition, ) -> bool

Check whether the piece is valid against the matching super segment root

pub fn record_root(&self) -> RecordRoot

Root of the record contained within a piece.

It is re-derived on every call of this function.

pub fn slice_to_repr(value: &[Self]) -> &[[u8; 1049560]]

Convenient conversion from slice of piece array to underlying representation for efficiency purposes.

pub fn slice_from_repr(value: &[[u8; 1049560]]) -> &[Self]

Convenient conversion from slice of underlying representation to piece array for efficiency purposes.

pub fn slice_mut_to_repr(value: &mut [Self]) -> &mut [[u8; 1049560]]

Convenient conversion from mutable slice of piece array to underlying representation for efficiency purposes.

pub fn slice_mut_from_repr(value: &mut [[u8; 1049560]]) -> &mut [Self]

Convenient conversion from mutable slice of underlying representation to piece array for efficiency purposes.

Trait Implementations

impl Clone for InnerPiece

fn clone(&self) -> InnerPiece

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for InnerPiece

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

Formats the value using the given formatter.

impl From<&InnerPiece> for Piece

fn from(value: &InnerPiece) -> Self

Converts to this type from the input type.

impl PartialEq for InnerPiece

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl TrivialType for InnerPiece

where PieceHeader: TrivialType, Record: TrivialType,

const METADATA: &[u8]

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

const SIZE: u32 = _

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

Read unaligned value from memory.

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

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

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

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

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

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

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

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

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.

fn as_bytes(&self) -> &[u8; { _ }]

Access the underlying byte representation of a data structure

unsafe fn as_bytes_mut(&mut self) -> &mut [u8; { _ }]

Access the underlying mutable byte representation of a data structure.

impl Copy for InnerPiece

impl Eq for InnerPiece

impl StructuralPartialEq for InnerPiece