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This commit is contained in:
wborgeaud 2022-10-11 11:10:58 +02:00
parent 816e7db345
commit 3cd337ab15
1 changed files with 8 additions and 1 deletions
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9
plonky2/src/plonk/conditional_recursive_verifier.rs
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@ -20,6 +20,7 @@ use crate::plonk::proof::{
}; };
use crate::with_context; use crate::with_context;
/// Generate a proof having a given `CommonCircuitData`.
pub fn dummy_proof<F: RichField + Extendable<D>, C: GenericConfig<D, F = F>, const D: usize>( pub fn dummy_proof<F: RichField + Extendable<D>, C: GenericConfig<D, F = F>, const D: usize>(
common_data: &CommonCircuitData<F, C, D>, common_data: &CommonCircuitData<F, C, D>,
) -> Result<(ProofWithPublicInputs<F, C, D>, CircuitData<F, C, D>)> ) -> Result<(ProofWithPublicInputs<F, C, D>, CircuitData<F, C, D>)>
@ -31,6 +32,7 @@ where
let mut pw = PartialWitness::new(); let mut pw = PartialWitness::new();
let mut builder = CircuitBuilder::<F, D>::new(config); let mut builder = CircuitBuilder::<F, D>::new(config);
let degree = 1 << common_data.degree_bits; let degree = 1 << common_data.degree_bits;
for _ in 0..degree - 10 { for _ in 0..degree - 10 {
builder.add_gate(NoopGate, vec![]); builder.add_gate(NoopGate, vec![]);
} }
@ -41,9 +43,11 @@ where
let t = builder.add_virtual_public_input(); let t = builder.add_virtual_public_input();
pw.set_target(t, F::ZERO); pw.set_target(t, F::ZERO);
} }
let data = builder.build::<C>(); let data = builder.build::<C>();
assert_eq!(&data.common, common_data); assert_eq!(&data.common, common_data);
let proof = data.prove(pw)?; let proof = data.prove(pw)?;
Ok((proof, data)) Ok((proof, data))
} }
@ -334,6 +338,7 @@ mod tests {
type F = <C as GenericConfig<D>>::F; type F = <C as GenericConfig<D>>::F;
let config = CircuitConfig::standard_recursion_config(); let config = CircuitConfig::standard_recursion_config();
// Generate proof.
let mut builder = CircuitBuilder::<F, D>::new(config.clone()); let mut builder = CircuitBuilder::<F, D>::new(config.clone());
let mut pw = PartialWitness::new(); let mut pw = PartialWitness::new();
let t = builder.add_virtual_target(); let t = builder.add_virtual_target();
@ -346,15 +351,17 @@ mod tests {
let data = builder.build::<C>(); let data = builder.build::<C>();
let proof = data.prove(pw)?; let proof = data.prove(pw)?;
data.verify(proof.clone())?; data.verify(proof.clone())?;
// Generate dummy proof with the same `CommonCircuitData`.
let (dummy_proof, dummy_data) = dummy_proof(&data.common)?; let (dummy_proof, dummy_data) = dummy_proof(&data.common)?;
// Conditionally verify the two proofs.
let mut builder = CircuitBuilder::<F, D>::new(config); let mut builder = CircuitBuilder::<F, D>::new(config);
let mut pw = PartialWitness::new(); let mut pw = PartialWitness::new();
let pt = builder.add_virtual_proof_with_pis(&data.common); let pt = builder.add_virtual_proof_with_pis(&data.common);
pw.set_proof_with_pis_target(&pt, &proof); pw.set_proof_with_pis_target(&pt, &proof);
let dummy_pt = builder.add_virtual_proof_with_pis(&data.common); let dummy_pt = builder.add_virtual_proof_with_pis(&data.common);
pw.set_proof_with_pis_target(&dummy_pt, &dummy_proof); pw.set_proof_with_pis_target(&dummy_pt, &dummy_proof);
let inner_data = VerifierCircuitTarget { let inner_data = VerifierCircuitTarget {
constants_sigmas_cap: builder.add_virtual_cap(data.common.config.fri_config.cap_height), constants_sigmas_cap: builder.add_virtual_cap(data.common.config.fri_config.cap_height),
circuit_digest: builder.add_virtual_hash(), circuit_digest: builder.add_virtual_hash(),