Add asserts for constraint count (#83)

* Add asserts for constraint count

* switch to Standard strength

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "nova-snark"
-version = "0.6.0"
+version = "0.6.1"
 authors = ["Srinath Setty <srinath@microsoft.com>"]
 edition = "2021"
 description = "Recursive zkSNARKs without trusted setup"

src/bellperson/mod.rs

@@ -54,7 +54,6 @@ mod tests {
     let _ = synthesize_alloc_bit(&mut cs);
     let shape = cs.r1cs_shape();
     let gens = cs.r1cs_gens();
-    println!("Mult mod constraint no: {}", cs.num_constraints());
 
     // Now get the assignment
     let mut cs: SatisfyingAssignment<G> = SatisfyingAssignment::new();

src/circuit.rs

@@ -404,10 +404,7 @@ mod tests {
     let mut cs: ShapeCS<G1> = ShapeCS::new();
     let _ = circuit1.synthesize(&mut cs);
     let (shape1, gens1) = (cs.r1cs_shape(), cs.r1cs_gens());
-    println!(
-      "Circuit1 -> Number of constraints: {}",
-      cs.num_constraints()
-    );
+    assert_eq!(cs.num_constraints(), 20584);
 
     // Initialize the shape and gens for the secondary
     let circuit2: NIFSVerifierCircuit<G1, TestCircuit<<G1 as Group>::Base>> =
@@ -422,10 +419,7 @@ mod tests {
     let mut cs: ShapeCS<G2> = ShapeCS::new();
     let _ = circuit2.synthesize(&mut cs);
     let (shape2, gens2) = (cs.r1cs_shape(), cs.r1cs_gens());
-    println!(
-      "Circuit2 -> Number of constraints: {}",
-      cs.num_constraints()
-    );
+    assert_eq!(cs.num_constraints(), 21124);
 
     // Execute the base case for the primary
     let zero1 = <<G2 as Group>::Base as Field>::zero();

src/lib.rs

@@ -1,4 +1,4 @@
-//! This library implements core components of Nova.
+//! This library implements Nova, a high-speed recursive SNARK.
 #![allow(non_snake_case)]
 #![allow(clippy::type_complexity)]
 #![deny(missing_docs)]

src/poseidon.rs

@@ -36,8 +36,8 @@ where
   /// Generate Poseidon constants for the arities that Nova uses
   #[allow(clippy::new_without_default)]
   fn new() -> Self {
-    let constants27 = PoseidonConstants::<Scalar, U27>::new_with_strength(Strength::Strengthened);
-    let constants32 = PoseidonConstants::<Scalar, U32>::new_with_strength(Strength::Strengthened);
+    let constants27 = PoseidonConstants::<Scalar, U27>::new_with_strength(Strength::Standard);
+    let constants32 = PoseidonConstants::<Scalar, U32>::new_with_strength(Strength::Standard);
     Self {
       constants27,
       constants32,