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Test PH circuit for the size used in the Merkle tree

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Aurélien Nicolas 2018-08-22 12:45:44 +02:00 committed by Jack Grigg
parent d56758d426
commit 3efb7f9146
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GPG Key ID: 9E8255172BBF9898
1 changed files with 19 additions and 4 deletions
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23
zcash_proofs/src/circuit/pedersen_hash.rs
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@ -147,7 +147,19 @@ mod test {
]); ]);
let params = &JubjubBls12::new(); let params = &JubjubBls12::new();
for &n_bits in [0, 3 * 63 - 6, 3 * 63 - 6 + 1, 3 * 63 - 6 + 2, 255, 510].iter() { let leaves_len = 2 * 255;
let note_len = 64 + 256 + 256;
for &n_bits in [
0,
3 * 63 - 6,
3 * 63 - 6 + 1,
3 * 63 - 6 + 2,
leaves_len,
note_len,
]
.iter()
{
let mut cs = TestConstraintSystem::<Bls12>::new(); let mut cs = TestConstraintSystem::<Bls12>::new();
let input: Vec<bool> = (0..n_bits).map(|_| rng.next_u32() % 2 != 0).collect(); let input: Vec<bool> = (0..n_bits).map(|_| rng.next_u32() % 2 != 0).collect();
@ -176,9 +188,12 @@ mod test {
let bitness_constraints = n_bits; let bitness_constraints = n_bits;
let ph_constraints = ph_num_constraints(n_bits); let ph_constraints = ph_num_constraints(n_bits);
assert_eq!(cs.num_constraints(), bitness_constraints + ph_constraints); assert_eq!(cs.num_constraints(), bitness_constraints + ph_constraints);
// The main use case // The actual usages
if n_bits == 510 { if n_bits == leaves_len {
assert_eq!(cs.num_constraints(), 510 + 867) assert_eq!(cs.num_constraints(), leaves_len + 867)
};
if n_bits == note_len {
assert_eq!(cs.num_constraints(), note_len + 982)
}; };
} }
} }