sp1-prover 2.0.0

SP1 is a performant, 100% open-source, contributor-friendly zkVM.
Documentation
use std::{borrow::Borrow, path::PathBuf};

use clap::Parser;
use p3_baby_bear::BabyBear;
use p3_field::PrimeField;
use sp1_core_executor::SP1Context;
use sp1_core_machine::io::SP1Stdin;
use sp1_prover::{
    utils::{babybear_bytes_to_bn254, babybears_to_bn254, words_to_bytes},
    SP1Prover,
};
use sp1_recursion_circuit::{stark::build_wrap_circuit, witness::Witnessable};
use sp1_recursion_compiler::ir::Witness;
use sp1_recursion_core::air::RecursionPublicValues;
use sp1_recursion_gnark_ffi::{Groth16Bn254Prover, PlonkBn254Prover};
use sp1_stark::SP1ProverOpts;
use subtle_encoding::hex;

#[derive(Parser, Debug)]
#[clap(author, version, about, long_about = None)]
struct Args {
    #[clap(short, long)]
    build_dir: String,
    #[arg(short, long)]
    system: String,
}

pub fn main() {
    sp1_core_machine::utils::setup_logger();
    std::env::set_var("RECONSTRUCT_COMMITMENTS", "false");

    let args = Args::parse();
    let build_dir: PathBuf = args.build_dir.into();

    let elf = include_bytes!("../elf/riscv32im-succinct-zkvm-elf");

    tracing::info!("initializing prover");
    let prover: SP1Prover = SP1Prover::new();
    let opts = SP1ProverOpts::default();
    let context = SP1Context::default();

    tracing::info!("setup elf");
    let (pk, vk) = prover.setup(elf);

    tracing::info!("prove core");
    let stdin = SP1Stdin::new();
    let core_proof = prover.prove_core(&pk, &stdin, opts, context).unwrap();

    tracing::info!("Compress");
    let reduced_proof = prover.compress(&vk, core_proof, vec![], opts).unwrap();

    tracing::info!("Shrink");
    let compressed_proof = prover.shrink(reduced_proof, opts).unwrap();

    tracing::info!("wrap");
    let wrapped_proof = prover.wrap_bn254(compressed_proof, opts).unwrap();

    tracing::info!("building verifier constraints");
    let constraints = tracing::info_span!("wrap circuit")
        .in_scope(|| build_wrap_circuit(prover.wrap_vk(), wrapped_proof.proof.clone()));

    tracing::info!("building template witness");
    let pv: &RecursionPublicValues<_> = wrapped_proof.proof.public_values.as_slice().borrow();
    let vkey_hash = babybears_to_bn254(&pv.sp1_vk_digest);
    let committed_values_digest_bytes: [BabyBear; 32] =
        words_to_bytes(&pv.committed_value_digest).try_into().unwrap();
    let committed_values_digest = babybear_bytes_to_bn254(&committed_values_digest_bytes);

    let mut witness = Witness::default();
    wrapped_proof.proof.write(&mut witness);
    witness.write_commited_values_digest(committed_values_digest);
    witness.write_vkey_hash(vkey_hash);

    tracing::info!("sanity check plonk test");
    PlonkBn254Prover::test(constraints.clone(), witness.clone());

    tracing::info!("sanity check plonk build");
    PlonkBn254Prover::build(constraints.clone(), witness.clone(), build_dir.clone());

    tracing::info!("sanity check plonk prove");
    let plonk_bn254_prover = PlonkBn254Prover::new();

    tracing::info!("plonk prove");
    let proof = plonk_bn254_prover.prove(witness.clone(), build_dir.clone());

    tracing::info!("verify plonk proof");
    plonk_bn254_prover.verify(
        &proof,
        &vkey_hash.as_canonical_biguint(),
        &committed_values_digest.as_canonical_biguint(),
        &build_dir,
    );

    println!("plonk proof: {:?}", String::from_utf8(hex::encode(proof.encoded_proof)).unwrap());

    tracing::info!("sanity check groth16 test");
    Groth16Bn254Prover::test(constraints.clone(), witness.clone());

    tracing::info!("sanity check groth16 build");
    Groth16Bn254Prover::build(constraints.clone(), witness.clone(), build_dir.clone());

    tracing::info!("sanity check groth16 prove");
    let groth16_bn254_prover = Groth16Bn254Prover::new();

    tracing::info!("groth16 prove");
    let proof = groth16_bn254_prover.prove(witness.clone(), build_dir.clone());

    tracing::info!("verify groth16 proof");
    groth16_bn254_prover.verify(
        &proof,
        &vkey_hash.as_canonical_biguint(),
        &committed_values_digest.as_canonical_biguint(),
        &build_dir,
    );

    println!("groth16 proof: {:?}", String::from_utf8(hex::encode(proof.encoded_proof)).unwrap());
}