@nori-zk/proof-conversion/build/src/plonk/piop/piop.js

Verifying zkVM proofs inside o1js circuits, to generate Mina compatible proof

import { Sp1PlonkFiatShamir } from '../fiat-shamir/index.js';
import { compute_alpha_square_lagrange_0, compute_commitment_linearized_polynomial, customPiLagrange, evalVanishing, fold_quotient, fold_state, opening_of_linearized_polynomial, pi_contribution, preparePairing, } from './plonk_utils.js';
// expects only two public inputs as in Sp1 Plonk verifier
class PlonkVerifierPIOP {
    constructor(VK) {
        this.VK = VK;
    }
    piop(proof, pi0, pi1) {
        const fs = Sp1PlonkFiatShamir.empty();
        fs.squeezeGamma(proof, pi0, pi1, this.VK);
        fs.squeezeBeta();
        fs.squeezeAlpha(proof);
        fs.squeezeZeta(proof);
        const [zeta_pow_n, zh_eval] = evalVanishing(fs.zeta, this.VK);
        const alpha_2_l0 = compute_alpha_square_lagrange_0(zh_eval, fs.zeta, fs.alpha, this.VK);
        const [hx, hy] = fold_quotient(proof.h0_x, proof.h0_y, proof.h1_x, proof.h1_y, proof.h2_x, proof.h2_y, fs.zeta, zeta_pow_n, zh_eval);
        const pis = pi_contribution([pi0, pi1], fs.zeta, zh_eval, this.VK.inv_domain_size, this.VK.omega);
        const l_pi_commit = customPiLagrange(fs.zeta, zh_eval, proof.qcp_0_wire_x, proof.qcp_0_wire_y, this.VK);
        const pi = pis.add(l_pi_commit).assertCanonical();
        const linearized_opening = opening_of_linearized_polynomial(proof, fs.alpha, fs.beta, fs.gamma, pi, alpha_2_l0);
        const [lcm_x, lcm_y] = compute_commitment_linearized_polynomial(this.VK, proof, fs.alpha, fs.beta, fs.gamma, fs.zeta, alpha_2_l0, hx, hy);
        fs.squeezeGammaKzg(proof, this.VK, lcm_x, lcm_y, linearized_opening);
        const [cm_x, cm_y, cm_opening] = fold_state(this.VK, proof, lcm_x, lcm_y, linearized_opening, fs.gamma_kzg);
        const random = fs.squeezeRandomForKzg(proof, cm_x, cm_y);
        const [kzg_cm_x, kzg_cm_y, neg_fq_x, neg_fq_y] = preparePairing(this.VK, proof, random, cm_x, cm_y, cm_opening, fs.zeta);
        return [kzg_cm_x, kzg_cm_y, neg_fq_x, neg_fq_y];
    }
}
export { PlonkVerifierPIOP };
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