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implement HyperNova's DeciderEth (#156)

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* implement HyperNova's DeciderEth

* add remark about Nova's zk layer implementation and the 3 identified use cases
This commit is contained in:
arnaucube
2024-09-10 17:10:00 +02:00
committed by GitHub
parent 1f7bf0462b
commit 0ad54576ec
12 changed files with 372 additions and 27 deletions
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11
folding-schemes/src/folding/nova/decider_eth.rs
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@@ -1,4 +1,4 @@
/// This file implements the onchain (Ethereum's EVM) decider.
/// This file implements the Nova's onchain (Ethereum's EVM) decider.
use ark_bn254::Bn254;
use ark_crypto_primitives::sponge::Absorb;
use ark_ec::{AffineRepr, CurveGroup, Group};
@@ -11,7 +11,7 @@ use ark_std::rand::{CryptoRng, RngCore};
use ark_std::{One, Zero};
use core::marker::PhantomData;
pub use super::decider_eth_circuit::{DeciderEthCircuit, KZGChallengesGadget};
pub use super::decider_eth_circuit::DeciderEthCircuit;
use super::{nifs::NIFS, CommittedInstance, Nova};
use crate::commitment::{
kzg::{Proof as KZGProof, KZG},
@@ -109,7 +109,7 @@ where
fn preprocess(
mut rng: impl RngCore + CryptoRng,
prep_param: &Self::PreprocessorParam,
prep_param: Self::PreprocessorParam,
fs: FS,
) -> Result<(Self::ProverParam, Self::VerifierParam), Error> {
let circuit =
@@ -384,7 +384,7 @@ pub mod tests {
println!("Nova initialized, {:?}", start.elapsed());
// prepare the Decider prover & verifier params
let (decider_pp, decider_vp) = D::preprocess(&mut rng, &nova_params, nova.clone()).unwrap();
let (decider_pp, decider_vp) = D::preprocess(&mut rng, nova_params, nova.clone()).unwrap();
let start = Instant::now();
nova.prove_step(&mut rng, vec![], None).unwrap();
@@ -461,7 +461,8 @@ pub mod tests {
println!("Nova initialized, {:?}", start.elapsed());
// prepare the Decider prover & verifier params
let (decider_pp, decider_vp) = D::preprocess(&mut rng, &nova_params, nova.clone()).unwrap();
let (decider_pp, decider_vp) =
D::preprocess(&mut rng, nova_params.clone(), nova.clone()).unwrap();
// serialize the Nova params. These params are the trusted setup of the commitment schemes used
// (ie. KZG & Pedersen in this case)