Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

fix: Convert folding recursive verifier ops to batch mul #4517

Merged
merged 3 commits into from
Feb 8, 2024
Merged

fix: Convert folding recursive verifier ops to batch mul #4517

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
8d9b195
convert folding rec verifier ops to batch mul
ledwards2225 Feb 8, 2024
56de1fb
Merge branch 'master' into lde/batch_mul
ledwards2225 Feb 8, 2024
e60c1b0
Merge branch 'master' into lde/batch_mul
ludamad Feb 8, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
27 changes: 14 additions & 13 deletions ...rg/cpp/src/barretenberg/stdlib/recursion/honk/verifier/protogalaxy_recursive_verifier.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -188,8 +188,6 @@ template <class VerifierInstances>
void ProtoGalaxyRecursiveVerifier_<VerifierInstances>::verify_folding_proof(const HonkProof& proof)
{
using Transcript = typename Flavor::Transcript;
using ElementNative = typename Flavor::Curve::ElementNative;
using AffineElementNative = typename Flavor::Curve::AffineElementNative;
using ScalarNative = typename Flavor::Curve::ScalarFieldNative;

transcript = std::make_shared<Transcript>(builder, proof);
Expand Down Expand Up @@ -244,18 +242,19 @@ void ProtoGalaxyRecursiveVerifier_<VerifierInstances>::verify_folding_proof(cons
WitnessCommitments acc_witness_commitments;
auto witness_labels = commitment_labels.get_witness();
size_t comm_idx = 0;
auto random_generator = Commitment::from_witness(builder, AffineElementNative(ElementNative::random_element()));
for (auto& expected_comm : acc_witness_commitments.get_all()) {
expected_comm = random_generator;
std::vector<FF> scalars;
std::vector<Commitment> commitments;
size_t inst = 0;
for (auto& instance : instances) {
expected_comm = expected_comm + instance->witness_commitments.get_all()[comm_idx] * lagranges[inst];
scalars.emplace_back(lagranges[inst]);
commitments.emplace_back(instance->witness_commitments.get_all()[comm_idx]);
inst++;
}
expected_comm = Commitment::batch_mul(commitments, scalars);
auto comm = transcript->template receive_from_prover<Commitment>("next_" + witness_labels[comm_idx]);
auto res = expected_comm - comm;
random_generator.x.assert_equal(res.x);
random_generator.y.assert_equal(res.y);
comm.x.assert_equal(expected_comm.x);
comm.y.assert_equal(expected_comm.y);
comm_idx++;
}

Expand Down Expand Up @@ -321,15 +320,17 @@ void ProtoGalaxyRecursiveVerifier_<VerifierInstances>::verify_folding_proof(cons
size_t vk_idx = 0;
for (auto& expected_vk : acc_vk->get_all()) {
size_t inst = 0;
expected_vk = random_generator;
std::vector<FF> scalars;
std::vector<Commitment> commitments;
for (auto& instance : instances) {
expected_vk = expected_vk + instance->verification_key->get_all()[vk_idx] * lagranges[inst];
scalars.emplace_back(lagranges[inst]);
commitments.emplace_back(instance->verification_key->get_all()[vk_idx]);
inst++;
}
expected_vk = Commitment::batch_mul(commitments, scalars);
auto vk = transcript->template receive_from_prover<Commitment>("next_" + vk_labels[vk_idx]);
auto res = expected_vk - vk;
random_generator.x.assert_equal(res.x);
random_generator.y.assert_equal(res.y);
vk.x.assert_equal(expected_vk.x);
vk.y.assert_equal(expected_vk.y);
vk_idx++;
}
}
Expand Down
Loading