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biguint mul test

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This commit is contained in:
Nicholas Ward 2021-10-19 16:01:41 -07:00
parent 1402791139
commit 62519eeb12
1 changed files with 24 additions and 0 deletions
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24
src/gadgets/biguint.rs
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@ -276,4 +276,28 @@ mod tests {
verify(proof, &data.verifier_only, &data.common)
}
#[test]
fn test_biguint_mul() -> Result<()> {
let x_value = BigUint::from_u128(123123123123123123123123123123123123).unwrap();
let y_value = BigUint::from_u128(456456456456456456456456456456456456).unwrap();
let expected_z_value = &x_value * &y_value;
type F = CrandallField;
let config = CircuitConfig::large_config();
let pw = PartialWitness::new();
let mut builder = CircuitBuilder::<F, 4>::new(config);
let x = builder.constant_biguint(x_value);
let y = builder.constant_biguint(y_value);
let z = builder.mul_biguint(x, y);
let expected_z = builder.constant_biguint(expected_z_value);
builder.connect_biguint(z, expected_z);
let data = builder.build();
let proof = data.prove(pw).unwrap();
verify(proof, &data.verifier_only, &data.common)
}
}