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JustifiedConfirmation

linera_chain::justification

Struct JustifiedConfirmation 

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pub struct JustifiedConfirmation {
    pub header: BlockHeader,
    pub round: Round,
    pub first_round: bool,
    pub confirmed_signatures: Vec<(ValidatorPublicKey, ValidatorSignature)>,
    pub justification: JustificationChain,
}
Expand description

A confirmed block’s header together with the justification that makes it self-contained evidence: the round and quorum of ConfirmedBlock votes that finalized it, and the chain of ValidatedBlock quorums for the same block, with its top link in the round the block was confirmed. Only the header travels, never the block body. The header hashes to the value the votes sign (CryptoHash::new(&header)) and carries the chain ID and height that scope the fault. This is the shape a ConfirmedBlockCertificate reduces to for fault attribution.

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§header: BlockHeader

The header of the confirmed block. Its hash is what the chain’s ValidatedBlock and ConfirmedBlock votes sign (ValidatedBlock and ConfirmedBlock wrap the same block).

§round: Round

The round in which the block was confirmed.

§first_round: bool

The first-round attestation the ConfirmedBlock votes signed (see VoteValue).

§confirmed_signatures: Vec<(ValidatorPublicKey, ValidatorSignature)>

The quorum of ConfirmedBlock votes finalizing the block.

§justification: JustificationChain

The ValidatedBlock justification chain (empty iff confirmed in the chain’s first round).

Implementations§

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impl JustifiedConfirmation

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pub fn block_hash(&self) -> CryptoHash

The hash of the confirmed block, which is what its votes sign.

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pub fn confirmed_commitment(&self) -> Option<CryptoHash>

The justification commitment the confirmed votes signed: the hash of the justification chain’s top link, or None for a first-round confirmation (empty chain).

Trait Implementations§

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impl Clone for JustifiedConfirmation

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fn clone(&self) -> JustifiedConfirmation

Returns a duplicate 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 JustifiedConfirmation

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

Formats the value using the given formatter. Read more

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