ADVZScheme

hotshot_types::vid::advz

Struct ADVZScheme 

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pub struct ADVZScheme(Advz<Bn254, Sha256>);
Expand description

Newtype wrapper for a VID scheme type that impls [VidScheme], [PayloadProver], [Precomputable].

Tuple Fields§

§0: Advz<Bn254, Sha256>

Trait Implementations§

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impl Clone for ADVZScheme

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fn clone(&self) -> ADVZScheme

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 PayloadProver<LargeRangeProofType> for ADVZScheme

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fn payload_proof<B>( &self, payload: B, range: Range<usize>, ) -> VidResult<LargeRangeProofType>
where B: AsRef<[u8]>,

Compute a proof for a subslice of payload data. Read more
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fn payload_verify( &self, stmt: Statement<'_, Self>, proof: &LargeRangeProofType, ) -> VidResult<Result<(), ()>>

Verify a proof made by [PayloadProver::payload_proof]. Read more
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impl PayloadProver<SmallRangeProofType> for ADVZScheme

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fn payload_proof<B>( &self, payload: B, range: Range<usize>, ) -> VidResult<SmallRangeProofType>
where B: AsRef<[u8]>,

Compute a proof for a subslice of payload data. Read more
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fn payload_verify( &self, stmt: Statement<'_, Self>, proof: &SmallRangeProofType, ) -> VidResult<Result<(), ()>>

Verify a proof made by [PayloadProver::payload_proof]. Read more
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impl VidScheme for ADVZScheme

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type Commit = <AdvzInternal<Bn<Config>, CoreWrapper<CtVariableCoreWrapper<Sha256VarCore, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, OidSha256>>, ()> as VidScheme>::Commit

Payload commitment.
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type Share = <AdvzInternal<Bn<Config>, CoreWrapper<CtVariableCoreWrapper<Sha256VarCore, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, OidSha256>>, ()> as VidScheme>::Share

Share-specific data sent to a storage node.
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type Common = <AdvzInternal<Bn<Config>, CoreWrapper<CtVariableCoreWrapper<Sha256VarCore, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, OidSha256>>, ()> as VidScheme>::Common

Common data sent to all storage nodes.
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fn commit_only<B>(&mut self, payload: B) -> VidResult<Self::Commit>
where B: AsRef<[u8]>,

Compute a payload commitment
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fn disperse<B>(&mut self, payload: B) -> VidResult<VidDisperse<Self>>
where B: AsRef<[u8]>,

Compute shares to send to the storage nodes
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fn verify_share( &self, share: &Self::Share, common: &Self::Common, commit: &Self::Commit, ) -> VidResult<Result<(), ()>>

Verify a share. Used by both storage node and retrieval client. Why is return type a nested Result? See https://sled.rs/errors Returns: Read more
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fn recover_payload( &self, shares: &[Self::Share], common: &Self::Common, ) -> VidResult<Vec<u8>>

Recover payload from shares. Do not verify shares or check recovered payload against anything.
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fn is_consistent(commit: &Self::Commit, common: &Self::Common) -> VidResult<()>

Check that a [VidScheme::Common] is consistent with a [VidScheme::Commit]. Read more
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fn get_payload_byte_len(common: &Self::Common) -> u32

Extract the payload byte length data from a [VidScheme::Common].
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fn get_num_storage_nodes(common: &Self::Common) -> u32

Extract the number of storage nodes from a [VidScheme::Common].
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fn get_multiplicity(common: &Self::Common) -> u32

Extract the number of poly evals per share [VidScheme::Common].

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