Add basic benchmarks for the prover

benches/bench_prove.rs

@@ -0,0 +1,36 @@
+use ark_std::UniformRand;
+use sigmabus_poc::transcript::{tests::poseidon_test_config, PoseidonTranscript};
+
+use criterion::{criterion_group, criterion_main, Criterion};
+use ark_bn254::{Bn254, Fr, G1Projective};
+use ark_std::rand::{RngCore, SeedableRng};
+use ark_std::test_rng;
+use sigmabus_poc::sigmabus::Sigmabus;
+
+fn bench_prove(c: &mut Criterion) {
+    let mut rng = ark_std::rand::rngs::StdRng::seed_from_u64(test_rng().next_u64());
+    let poseidon_config = poseidon_test_config::<Fr>();
+
+    // generate the trusted setup
+    let params = Sigmabus::<Bn254>::setup(&mut rng, &poseidon_config);
+
+    // compute the witness x
+    let x = Fr::rand(&mut rng);
+
+    let mut transcript_p = PoseidonTranscript::<G1Projective>::new(&poseidon_config);
+
+    // generate Sigmabus proof for X==x*G
+    c.bench_function("prove", |b| {
+        b.iter(|| {
+            let _proof = Sigmabus::<Bn254>::prove(&mut rng, &params, &mut transcript_p, x).unwrap();
+        });
+    });
+}
+
+criterion_group! {
+    name=prover_benches;
+    config=Criterion::default();
+    targets=
+            bench_prove,
+}
+criterion_main!(prover_benches);