extern crate byteorder;
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extern crate core;
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extern crate criterion;
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extern crate digest;
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extern crate libspartan;
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extern crate merlin;
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extern crate rand;
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extern crate sha3;
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use libspartan::r1csinstance::R1CSInstance;
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use libspartan::spartan::{SNARKGens, SNARK};
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use merlin::Transcript;
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use criterion::*;
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fn snark_encode_benchmark(c: &mut Criterion) {
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for &s in [10, 12, 16].iter() {
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let plot_config = PlotConfiguration::default().summary_scale(AxisScale::Logarithmic);
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let mut group = c.benchmark_group("SNARK_encode_benchmark");
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group.plot_config(plot_config);
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let num_vars = (2 as usize).pow(s as u32);
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let num_cons = num_vars;
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let num_inputs = 10;
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let (inst, _vars, _input) =
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R1CSInstance::produce_synthetic_r1cs(num_cons, num_vars, num_inputs);
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let n = inst.get_num_vars();
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// produce public parameters
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let gens = SNARKGens::new(&inst.size());
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let name = format!("SNARK_encode_{}", n);
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group.bench_function(&name, move |b| {
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b.iter(|| {
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SNARK::encode(black_box(&inst), black_box(&gens));
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});
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});
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group.finish();
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}
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}
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fn snark_prove_benchmark(c: &mut Criterion) {
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for &s in [10, 12, 16].iter() {
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let plot_config = PlotConfiguration::default().summary_scale(AxisScale::Logarithmic);
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let mut group = c.benchmark_group("SNARK_prove_benchmark");
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group.plot_config(plot_config);
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let num_vars = (2 as usize).pow(s as u32);
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let num_cons = num_vars;
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let num_inputs = 10;
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let (inst, vars, input) = R1CSInstance::produce_synthetic_r1cs(num_cons, num_vars, num_inputs);
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let n = inst.get_num_vars();
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// produce public parameters
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let gens = SNARKGens::new(&inst.size());
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// encode the R1CS instance
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let (_comm, decomm) = SNARK::encode(&inst, &gens);
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// produce a proof
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let name = format!("SNARK_prove_{}", n);
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group.bench_function(&name, move |b| {
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b.iter(|| {
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let mut prover_transcript = Transcript::new(b"example");
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SNARK::prove(
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black_box(&inst),
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black_box(&decomm),
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black_box(vars.clone()),
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black_box(&input),
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black_box(&gens),
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black_box(&mut prover_transcript),
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);
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});
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});
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group.finish();
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}
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}
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fn snark_verify_benchmark(c: &mut Criterion) {
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for &s in [10, 12, 16].iter() {
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let plot_config = PlotConfiguration::default().summary_scale(AxisScale::Logarithmic);
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let mut group = c.benchmark_group("SNARK_verify_benchmark");
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group.plot_config(plot_config);
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let num_vars = (2 as usize).pow(s as u32);
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let num_cons = num_vars;
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let num_inputs = 10;
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let (inst, vars, input) = R1CSInstance::produce_synthetic_r1cs(num_cons, num_vars, num_inputs);
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let n = inst.get_num_vars();
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// produce public parameters
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let gens = SNARKGens::new(&inst.size());
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// encode the R1CS instance
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let (comm, decomm) = SNARK::encode(&inst, &gens);
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// produce a proof of satisfiability
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let mut prover_transcript = Transcript::new(b"example");
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let proof = SNARK::prove(&inst, &decomm, vars, &input, &gens, &mut prover_transcript);
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let name = format!("SNARK_verify_{}", n);
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group.bench_function(&name, move |b| {
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b.iter(|| {
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let mut verifier_transcript = Transcript::new(b"example");
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assert!(proof
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.verify(
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black_box(&comm),
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black_box(&input),
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black_box(&mut verifier_transcript),
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black_box(&gens)
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)
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.is_ok());
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});
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});
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group.finish();
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}
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}
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fn set_duration() -> Criterion {
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Criterion::default().sample_size(10)
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}
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criterion_group! {
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name = benches_snark;
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config = set_duration();
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targets = snark_encode_benchmark, snark_prove_benchmark, snark_verify_benchmark
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}
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criterion_main!(benches_snark);
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