chonk_verifier.test.cpp

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#include "barretenberg/chonk/chonk_verifier.hpp"
#include "barretenberg/chonk/chonk_proof.hpp"
#include "barretenberg/chonk/mock_circuit_producer.hpp"
#include "barretenberg/circuit_checker/circuit_checker.hpp"
#include "barretenberg/common/test.hpp"
#include "barretenberg/stdlib/honk_verifier/ultra_verification_keys_comparator.hpp"
 
namespace bb::stdlib::recursion::honk {
class ChonkRecursionTests : public testing::Test {
  public:
    using Builder = UltraCircuitBuilder;
    using ChonkVerifier = ChonkRecursiveVerifier;
    using Proof = ChonkProof;
    using StdlibProof = ChonkStdlibProof;
    using MockCircuitProducer = PrivateFunctionExecutionMockCircuitProducer;
    using VKAndHash = MegaZKFlavor::VKAndHash;
    using PairingAccumulator = PairingPoints<Builder>;
 
    static void SetUpTestSuite() { bb::srs::init_file_crs_factory(bb::srs::bb_crs_path()); }
 
    struct ChonkProverOutput {
        Proof proof;
        std::shared_ptr<VKAndHash> vk_and_hash;
    };
 
    static ChonkProverOutput construct_chonk_prover_output(const size_t num_app_circuits = 1)
    {
        // Construct and accumulate a series of mocked private function execution circuits
        MockCircuitProducer circuit_producer{ num_app_circuits };
        const size_t NUM_CIRCUITS = circuit_producer.total_num_circuits;
        Chonk ivc{ NUM_CIRCUITS };
 
        for (size_t idx = 0; idx < NUM_CIRCUITS; ++idx) {
            circuit_producer.construct_and_accumulate_next_circuit(ivc);
        }
 
        return { ivc.prove(), ivc.get_hiding_kernel_vk_and_hash() };
    }
};
 
TEST_F(ChonkRecursionTests, NativeVerification)
{
    auto [proof, vk_and_hash] = construct_chonk_prover_output();
 
    // Confirm that the IVC proof can be natively verified
    ChonkNativeVerifier verifier(vk_and_hash);
    EXPECT_TRUE(verifier.verify(proof));
}
 
TEST_F(ChonkRecursionTests, Basic)
{
    using ChonkRecVerifierOutput = ChonkVerifier::Output;
 
    // Generate a genuine Chonk prover output
    auto [proof, native_vk_and_hash] = construct_chonk_prover_output();
 
    // Construct the Chonk recursive verifier
    Builder builder;
    auto recursive_vk_and_hash = std::make_shared<ChonkVerifier::VKAndHash>(builder, native_vk_and_hash->vk);
    ChonkVerifier verifier{ recursive_vk_and_hash };
 
    // Generate the recursive verification circuit
    StdlibProof stdlib_proof(builder, proof);
    ChonkRecVerifierOutput output = verifier.verify(stdlib_proof);
 
    EXPECT_EQ(builder.failed(), false) << builder.err();
 
    EXPECT_TRUE(CircuitChecker::check(builder));
 
    // Print the number of gates post finalization
    info("Recursive Verifier: finalized num gates = ", builder.num_gates());
}
} // namespace bb::stdlib::recursion::honk