Add basic benchmarks for the prover

Cargo.toml

@@ -18,6 +18,12 @@ ark-relations = { version = "^0.4.0", default-features = false }
 ark-snark = { version = "^0.4.0", default-features = false }
 ark-groth16 = { version = "^0.4.0" }
 thiserror = "1.0"
+criterion = "0.5.1"
+ark-curve25519 = "0.4.0"
 
 [dev-dependencies]
 ark-bn254 = "0.4.0"
+
+[[bench]]
+harness = false
+name = "bench_prove"

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);

src/transcript.rs

@@ -56,13 +56,11 @@ fn prepare_point(p: &C) -> Vec {
     ]
 }
 
-#[cfg(test)]
 pub mod tests {
     use super::*;
     use ark_crypto_primitives::sponge::poseidon::find_poseidon_ark_and_mds;
 
     /// WARNING the method poseidon_test_config is for tests only
-    #[cfg(test)]
     pub fn poseidon_test_config<F: PrimeField>() -> PoseidonConfig<F> {
         let full_rounds = 8;
         let partial_rounds = 31;