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zk/gadget/range_check: More test units and better assertion.

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This commit is contained in:
parazyd
2022-07-15 14:48:11 +02:00
parent 41a863e713
commit 16d665cc72
1 changed files with 41 additions and 11 deletions
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52
src/zk/gadget/range_check.rs
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@@ -1,3 +1,5 @@
use std::marker::PhantomData;
use group::ff::PrimeFieldBits;
use halo2_proofs::{
arithmetic::FieldExt,
@@ -5,7 +7,6 @@ use halo2_proofs::{
plonk::{Advice, Column, ConstraintSystem, Error, Selector, TableColumn},
poly::Rotation,
};
use std::marker::PhantomData;
#[derive(Clone, Debug)]
pub struct RangeCheckConfig {
@@ -183,13 +184,13 @@ mod tests {
use group::ff::PrimeFieldBits;
use halo2_proofs::{
arithmetic::FieldExt,
circuit::{SimpleFloorPlanner, Value},
dev::MockProver,
circuit::{floor_planner, Value},
dev::{CircuitLayout, MockProver},
plonk::Circuit,
};
use pasta_curves::pallas;
struct MyCircuit<
struct RangeCheckCircuit<
F: FieldExt + PrimeFieldBits,
const WINDOW_SIZE: usize,
const NUM_OF_BITS: usize,
@@ -203,10 +204,10 @@ mod tests {
const WINDOW_SIZE: usize,
const NUM_OF_BITS: usize,
const NUM_OF_WINDOWS: usize,
> Circuit<F> for MyCircuit<F, WINDOW_SIZE, NUM_OF_BITS, NUM_OF_WINDOWS>
> Circuit<F> for RangeCheckCircuit<F, WINDOW_SIZE, NUM_OF_BITS, NUM_OF_WINDOWS>
{
type Config = RangeCheckConfig;
type FloorPlanner = SimpleFloorPlanner;
type FloorPlanner = floor_planner::V1;
fn without_witnesses(&self) -> Self {
Self { value: Value::unknown() }
@@ -238,10 +239,39 @@ mod tests {
}
#[test]
fn test_bit_64() {
let value = pallas::Base::from(rand::random::<u64>());
let circuit = MyCircuit::<pallas::Base, 3, 64, 22> { value: Value::known(value) };
let prover = MockProver::run(8, &circuit, vec![]).unwrap();
assert_ne!(prover.verify(), Ok(()));
fn range_check_test() {
let valid_64bit = vec![
pallas::Base::zero(),
pallas::Base::one(),
pallas::Base::from(u64::MAX),
pallas::Base::from(rand::random::<u64>()),
];
/*
let invalid_64bit = vec![
pallas::Base::from(u64::MAX as u128 + 1),
pallas::Base::from(-1),
pallas::Base::from(-u64::MAX),
];
*/
let k = 5;
use plotters::prelude::*;
let circuit = RangeCheckCircuit::<pallas::Base, 3, 64, 22> {
value: Value::known(pallas::Base::one()),
};
let root = BitMapBackend::new("target/rangecheck_circuit_layout.png", (3840, 2160))
.into_drawing_area();
root.fill(&WHITE).unwrap();
let root = root.titled("Arithmetic Circuit Layout", ("sans-serif", 60)).unwrap();
CircuitLayout::default().render(k, &circuit, &root).unwrap();
for val in valid_64bit {
println!("64-bit range check for {:?}", val);
let circuit = RangeCheckCircuit::<pallas::Base, 3, 64, 22> { value: Value::known(val) };
let prover = MockProver::run(k, &circuit, vec![]).unwrap();
prover.assert_satisfied();
}
}
}