| 57 | |
| 58 | #[test] |
| 59 | fn test_add() { |
| 60 | println!("Fr.add: {} bytes", Fr::add(0, 1).len()); |
| 61 | |
| 62 | let m = BigUint::from_str_radix(Fr::MODULUS, 16).unwrap(); |
| 63 | |
| 64 | let mut prng = ChaCha20Rng::seed_from_u64(0); |
| 65 | |
| 66 | for _ in 0..100 { |
| 67 | let a: BigUint = prng.sample(RandomBits::new(254)); |
| 68 | let b: BigUint = prng.sample(RandomBits::new(254)); |
| 69 | |
| 70 | let a = a.rem(&m); |
| 71 | let b = b.rem(&m); |
| 72 | let c: BigUint = a.clone().add(b.clone()).rem(&m); |
| 73 | |
| 74 | let script = script! { |
| 75 | { Fr::push_u32_le(&a.to_u32_digits()) } |
| 76 | { Fr::push_u32_le(&b.to_u32_digits()) } |
| 77 | { Fr::add(1, 0) } |
| 78 | { Fr::push_u32_le(&c.to_u32_digits()) } |
| 79 | { Fr::equalverify(1, 0) } |
| 80 | OP_TRUE |
| 81 | }; |
| 82 | run(script); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | #[test] |
| 87 | fn test_sub() { |