serai/substrate/client/tests/validator_sets.rs
Luke Parker f069567f12
Use a MuSig signature to publish validator set key pairs to Serai
The processor/coordinator flow still has to be rewritten.
2023-05-13 02:15:41 -04:00

77 lines
2.5 KiB
Rust

use rand_core::{RngCore, OsRng};
use sp_core::{sr25519::Public, Pair};
use ciphersuite::{group::GroupEncoding, Ciphersuite, Ristretto};
use frost::dkg::musig::musig_key;
use serai_client::{
primitives::{NETWORKS, NetworkId, insecure_pair_from_name},
validator_sets::{
primitives::{Session, ValidatorSet},
ValidatorSetsEvent,
},
Serai,
};
mod common;
use common::{serai, validator_sets::set_validator_set_keys};
serai_test!(
async fn set_validator_set_keys_test() {
let network = NetworkId::Bitcoin;
let set = ValidatorSet { session: Session(0), network };
let public = insecure_pair_from_name("Alice").public();
// Neither of these keys are validated
// The external key is infeasible to validate on-chain, the Ristretto key is feasible
// TODO: Should the Ristretto key be validated?
let mut ristretto_key = [0; 32];
OsRng.fill_bytes(&mut ristretto_key);
let mut external_key = vec![0; 33];
OsRng.fill_bytes(&mut external_key);
let key_pair = (Public(ristretto_key), external_key.try_into().unwrap());
let serai = serai().await;
// Make sure the genesis is as expected
assert_eq!(
serai
.get_new_set_events(serai.get_block_by_number(0).await.unwrap().unwrap().hash())
.await
.unwrap(),
[NetworkId::Bitcoin, NetworkId::Ethereum, NetworkId::Monero]
.iter()
.copied()
.map(|network| ValidatorSetsEvent::NewSet {
set: ValidatorSet { session: Session(0), network }
})
.collect::<Vec<_>>(),
);
let set_data = serai.get_validator_set(set).await.unwrap().unwrap();
assert_eq!(set_data.network, NETWORKS[&NetworkId::Bitcoin]);
let participants_ref: &[_] = set_data.participants.as_ref();
assert_eq!(participants_ref, [(public, set_data.bond)].as_ref());
assert_eq!(
serai.get_validator_set_musig_key(set).await.unwrap().unwrap(),
musig_key::<Ristretto>(&[<Ristretto as Ciphersuite>::read_G::<&[u8]>(
&mut public.0.as_ref()
)
.unwrap()])
.unwrap()
.to_bytes()
);
let block = set_validator_set_keys(set, key_pair.clone()).await;
// While the set_validator_set_keys function should handle this, it's beneficial to
// independently test it
assert_eq!(
serai.get_key_gen_events(block).await.unwrap(),
vec![ValidatorSetsEvent::KeyGen { set, key_pair: key_pair.clone() }]
);
assert_eq!(serai.get_keys(set).await.unwrap(), Some(key_pair));
}
);