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test: pin private_pda_account_id formula against hardcoded value

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Moudy 2026-04-16 17:15:34 +02:00
parent 661ef7c4e9
commit 1fd4e4e8d9
1 changed files with 9 additions and 5 deletions
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14
nssa/core/src/program.rs
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@ -773,15 +773,19 @@ mod tests {
// ---- private_pda_account_id tests ----
/// Same inputs always produce the same `AccountId`.
/// Pins `private_pda_account_id` against a hardcoded expected output for a specific
/// `(program_id, seed, npk)` triple. Any change to `PRIVATE_PDA_PREFIX`, byte ordering,
/// or the underlying hash breaks this test.
#[test]
fn private_pda_account_id_is_deterministic() {
fn private_pda_account_id_matches_pinned_value() {
let program_id: ProgramId = [1; 8];
let seed = PdaSeed::new([2; 32]);
let npk = NullifierPublicKey([3; 32]);
let id1 = private_pda_account_id(&program_id, &seed, &npk);
let id2 = private_pda_account_id(&program_id, &seed, &npk);
assert_eq!(id1, id2);
let expected = AccountId::new([
132, 198, 103, 173, 244, 211, 188, 217, 249, 99, 126, 205, 152, 120, 192, 47, 13,
53, 133, 3, 17, 69, 92, 243, 140, 94, 182, 211, 218, 75, 215, 45,
]);
assert_eq!(private_pda_account_id(&program_id, &seed, &npk), expected);
}
/// Two groups with different viewing keys at the same (program, seed) get different addresses.