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Recover from OpeningProof::create() failure in PLONK prover

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therealyingtong 2020-09-19 23:19:30 +08:00
parent 69a612fb59
commit 33261ec1a0
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GPG key ID: 179F32A1503D607E
1 changed files with 3 additions and 10 deletions
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13
src/plonk/prover.rs
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@ -578,18 +578,11 @@ impl<C: CurveAffine> Proof<C> {
}
});
}
let opening = OpeningProof::create(&params, &mut transcript, &f_poly, f_blind_dup, x_6);
// Check U
let u_x = transcript.clone().squeeze();
// y^2 = x^3 + B
let u_y2 = u_x.square() * &u_x + &C::b();
if let Some(_) = u_y2.deterministic_sqrt() {
if opening.is_ok() {
final_q_evals = q_evals;
let opening =
OpeningProof::create(&params, &mut transcript, &f_poly, f_blind_dup, x_6)
.unwrap();
break opening;
break opening.unwrap();
} else {
f_blind += C::Scalar::one();
f_commitment = (f_commitment + params.h).to_affine();