subspace_archiving::archiver

Struct Archiver

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pub struct Archiver { /* private fields */ }
Expand description

Block archiver for Subspace blockchain.

It takes new confirmed (at K depth) blocks and concatenates them into a buffer, buffer is sliced into segments of [RecordedHistorySegment::SIZE] size, segments are sliced into source records of [RawRecord::SIZE], records are erasure coded, committed to with [Kzg], then commitments with witnesses are appended and records become pieces that are returned alongside corresponding segment header header.

§Panics

Panics when operating on blocks, whose length doesn’t fit into u32 (should never be the case in blockchain context anyway).

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impl Archiver

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pub fn new(kzg: Kzg, erasure_coding: ErasureCoding) -> Self

Create a new instance

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pub fn with_initial_state( kzg: Kzg, erasure_coding: ErasureCoding, segment_header: SegmentHeader, encoded_block: &[u8], object_mapping: BlockObjectMapping, ) -> Result<Self, ArchiverInstantiationError>

Create a new instance of the archiver with initial state in case of restart.

block corresponds to last_archived_block and will be processed according to its state.

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pub fn last_archived_block_number(&self) -> Option<BlockNumber>

Get last archived block if there was any

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pub fn add_block( &mut self, bytes: Vec<u8>, object_mapping: BlockObjectMapping, incremental: bool, ) -> ArchiveBlockOutcome

Adds new block to internal buffer, potentially producing pieces, segment headers, and object mappings.

Incremental archiving can be enabled if amortized block addition cost is preferred over throughput.

Trait Implementations§

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impl Clone for Archiver

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fn clone(&self) -> Archiver

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 Archiver

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

Formats the value using the given formatter. Read more

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