snark_verifier::pcs::kzg

Struct KzgAs

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pub struct KzgAs<M, MOS>(/* private fields */);
Expand description

KZG accumulation scheme. The second generic MOS stands for different kind of multi-open scheme.

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impl<M, MOS> AccumulationDecider<<M as Engine>::G1Affine, NativeLoader> for KzgAs<M, MOS>
where M: MultiMillerLoop, M::G1Affine: CurveAffine<ScalarExt = M::Fr, CurveExt = M::G1>, MOS: Clone + Debug,

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type DecidingKey = KzgDecidingKey<M>

Deciding key. The key for decider for perform the final accumulator check.
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fn decide( dk: &Self::DecidingKey, _: KzgAccumulator<M::G1Affine, NativeLoader>, ) -> Result<(), Error>

Decide if a AccumulationScheme::Accumulator is valid.
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fn decide_all( dk: &Self::DecidingKey, accumulators: Vec<KzgAccumulator<M::G1Affine, NativeLoader>>, ) -> Result<(), Error>

Decide if all AccumulationScheme::Accumulators are valid.
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impl<M, MOS> AccumulationDecider<<M as Engine>::G1Affine, Rc<EvmLoader>> for KzgAs<M, MOS>
where M: MultiMillerLoop, M::G1Affine: CurveAffine<ScalarExt = M::Fr, CurveExt = M::G1>, M::G2Affine: CurveAffine<ScalarExt = M::Fr, CurveExt = M::G2>, M::Fr: PrimeField<Repr = [u8; 32]>, MOS: Clone + Debug,

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type DecidingKey = KzgDecidingKey<M>

Deciding key. The key for decider for perform the final accumulator check.
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fn decide( dk: &Self::DecidingKey, _: KzgAccumulator<M::G1Affine, Rc<EvmLoader>>, ) -> Result<(), Error>

Decide if a AccumulationScheme::Accumulator is valid.
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fn decide_all( dk: &Self::DecidingKey, accumulators: Vec<KzgAccumulator<M::G1Affine, Rc<EvmLoader>>>, ) -> Result<(), Error>

Decide if all AccumulationScheme::Accumulators are valid.
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impl<M, L, MOS> AccumulationScheme<<M as Engine>::G1Affine, L> for KzgAs<M, MOS>
where M: MultiMillerLoop, M::G1Affine: CurveAffine<ScalarExt = M::Fr, CurveExt = M::G1>, L: Loader<M::G1Affine>, MOS: Clone + Debug,

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type Accumulator = KzgAccumulator<<M as Engine>::G1Affine, L>

Accumulator to be accumulated.
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type VerifyingKey = KzgAsVerifyingKey

Verifying key.
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type Proof = KzgAsProof<<M as Engine>::G1Affine, L>

Structured proof read from transcript.
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fn read_proof<T>( vk: &Self::VerifyingKey, instances: &[Self::Accumulator], transcript: &mut T, ) -> Result<Self::Proof, Error>
where T: TranscriptRead<M::G1Affine, L>,

Read a AccumulationScheme::Proof from transcript.
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fn verify( _: &Self::VerifyingKey, instances: &[Self::Accumulator], proof: &Self::Proof, ) -> Result<Self::Accumulator, Error>

Verify old AccumulationScheme::Accumulators are accumulated properly into a new one with the AccumulationScheme::Proof, and returns the new one as output.
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impl<M, MOS> AccumulationSchemeProver<<M as Engine>::G1Affine> for KzgAs<M, MOS>
where M: MultiMillerLoop, M::G1Affine: CurveAffine<ScalarExt = M::Fr, CurveExt = M::G1>, MOS: Clone + Debug,

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type ProvingKey = KzgAsProvingKey<<M as Engine>::G1Affine>

Proving key.
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fn create_proof<T, R>( pk: &Self::ProvingKey, instances: &[KzgAccumulator<M::G1Affine, NativeLoader>], transcript: &mut T, rng: R, ) -> Result<KzgAccumulator<M::G1Affine, NativeLoader>, Error>
where T: TranscriptWrite<M::G1Affine>, R: Rng,

Create a proof that argues if old AccumulationScheme::Accumulators are properly accumulated into the new one, and returns the new one as output.
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impl<M: Clone, MOS: Clone> Clone for KzgAs<M, MOS>

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fn clone(&self) -> KzgAs<M, MOS>

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<M> CostEstimation<<M as Engine>::G1Affine> for KzgAs<M, Bdfg21>
where M: MultiMillerLoop,

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type Input = Vec<Query<Rotation>>

Input for CostEstimation::estimate_cost.
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fn estimate_cost(_: &Vec<Query<Rotation>>) -> Cost

Estimate cost of verifier given the input.
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impl<M> CostEstimation<<M as Engine>::G1Affine> for KzgAs<M, Gwc19>
where M: MultiMillerLoop,

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type Input = Vec<Query<Rotation>>

Input for CostEstimation::estimate_cost.
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fn estimate_cost(queries: &Vec<Query<Rotation>>) -> Cost

Estimate cost of verifier given the input.
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impl<M: Debug, MOS: Debug> Debug for KzgAs<M, MOS>

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

Formats the value using the given formatter. Read more
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impl<M, L> PolynomialCommitmentScheme<<M as Engine>::G1Affine, L> for KzgAs<M, Bdfg21>
where M: MultiMillerLoop, M::G1Affine: CurveAffine<ScalarExt = M::Fr, CurveExt = M::G1>, M::Fr: Ord, L: Loader<M::G1Affine>,

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type VerifyingKey = KzgSuccinctVerifyingKey<<M as Engine>::G1Affine>

Verifying key.
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type Proof = Bdfg21Proof<<M as Engine>::G1Affine, L>

Structured proof read from transcript.
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type Output = KzgAccumulator<<M as Engine>::G1Affine, L>

Output of verification.
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fn read_proof<T>( _: &KzgSuccinctVerifyingKey<M::G1Affine>, _: &[Query<Rotation>], transcript: &mut T, ) -> Result<Bdfg21Proof<M::G1Affine, L>, Error>
where T: TranscriptRead<M::G1Affine, L>,

Read PolynomialCommitmentScheme::Proof from transcript.
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fn verify( svk: &KzgSuccinctVerifyingKey<M::G1Affine>, commitments: &[Msm<'_, M::G1Affine, L>], z: &L::LoadedScalar, queries: &[Query<Rotation, L::LoadedScalar>], proof: &Bdfg21Proof<M::G1Affine, L>, ) -> Result<Self::Output, Error>

Verify PolynomialCommitmentScheme::Proof and output PolynomialCommitmentScheme::Output.
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impl<M, L> PolynomialCommitmentScheme<<M as Engine>::G1Affine, L> for KzgAs<M, Gwc19>
where M: MultiMillerLoop, M::G1Affine: CurveAffine<ScalarExt = M::Fr, CurveExt = M::G1>, L: Loader<M::G1Affine>,

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type VerifyingKey = KzgSuccinctVerifyingKey<<M as Engine>::G1Affine>

Verifying key.
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type Proof = Gwc19Proof<<M as Engine>::G1Affine, L>

Structured proof read from transcript.
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type Output = KzgAccumulator<<M as Engine>::G1Affine, L>

Output of verification.
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fn read_proof<T>( _: &Self::VerifyingKey, queries: &[Query<Rotation>], transcript: &mut T, ) -> Result<Self::Proof, Error>
where T: TranscriptRead<M::G1Affine, L>,

Read PolynomialCommitmentScheme::Proof from transcript.
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fn verify( svk: &Self::VerifyingKey, commitments: &[Msm<'_, M::G1Affine, L>], z: &L::LoadedScalar, queries: &[Query<Rotation, L::LoadedScalar>], proof: &Self::Proof, ) -> Result<Self::Output, Error>

Verify PolynomialCommitmentScheme::Proof and output PolynomialCommitmentScheme::Output.

Auto Trait Implementations§

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impl<M, MOS> Freeze for KzgAs<M, MOS>

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impl<M, MOS> RefUnwindSafe for KzgAs<M, MOS>
where M: RefUnwindSafe, MOS: RefUnwindSafe,

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impl<M, MOS> Send for KzgAs<M, MOS>
where M: Send, MOS: Send,

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impl<M, MOS> Sync for KzgAs<M, MOS>
where M: Sync, MOS: Sync,

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impl<M, MOS> Unpin for KzgAs<M, MOS>
where M: Unpin, MOS: Unpin,

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impl<M, MOS> UnwindSafe for KzgAs<M, MOS>
where M: UnwindSafe, MOS: UnwindSafe,

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