| 47 | |
| 48 | #[test] |
| 49 | fn test_mul() { |
| 50 | let mut prng = ChaCha20Rng::seed_from_u64(0); |
| 51 | for _ in 0..3 { |
| 52 | let a: BigUint = prng.sample(RandomBits::new(254)); |
| 53 | let b: BigUint = prng.sample(RandomBits::new(254)); |
| 54 | let c: BigUint = (a.clone().mul(b.clone())).rem(BigUint::one().shl(254)); |
| 55 | |
| 56 | let script = script! { |
| 57 | { U254::push_u32_le(&a.to_u32_digits()) } |
| 58 | { U254::push_u32_le(&b.to_u32_digits()) } |
| 59 | { U254::mul() } |
| 60 | { U254::push_u32_le(&c.to_u32_digits()) } |
| 61 | { U254::equalverify(1, 0) } |
| 62 | OP_TRUE |
| 63 | }; |
| 64 | run(script); |
| 65 | } |
| 66 | |
| 67 | for _ in 0..3 { |
| 68 | let a: BigUint = prng.sample(RandomBits::new(64)); |
| 69 | let b: BigUint = prng.sample(RandomBits::new(64)); |
| 70 | let c: BigUint = (a.clone().mul(b.clone())).rem(BigUint::one().shl(64)); |
| 71 | |
| 72 | let script = script! { |
| 73 | { U64::push_u32_le(&a.to_u32_digits()) } |
| 74 | { U64::push_u32_le(&b.to_u32_digits()) } |
| 75 | { U64::mul() } |
| 76 | { U64::push_u32_le(&c.to_u32_digits()) } |
| 77 | { U64::equalverify(1, 0) } |
| 78 | OP_TRUE |
| 79 | }; |
| 80 | run(script); |
| 81 | } |
| 82 | } |
| 83 | } |