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47f8766da6
Provides a DST, and associated metadata as beneficial. Also utilizes MuSig's context to session-bind. Since set_keys_messages also binds to set, this is semi-redundant, yet that's appreciated.
72 lines
2 KiB
Rust
72 lines
2 KiB
Rust
use std::collections::HashMap;
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use zeroize::Zeroizing;
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use rand_core::OsRng;
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use sp_core::{Pair, sr25519::Signature};
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use ciphersuite::{group::GroupEncoding, Ciphersuite, Ristretto};
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use frost::dkg::musig::musig;
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use schnorrkel::Schnorrkel;
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use serai_client::{
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primitives::insecure_pair_from_name,
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validator_sets::{
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primitives::{ValidatorSet, KeyPair, musig_context, musig_key, set_keys_message},
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ValidatorSetsEvent,
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},
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Serai,
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};
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use crate::common::{serai, tx::publish_tx};
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#[allow(dead_code)]
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pub async fn set_validator_set_keys(set: ValidatorSet, key_pair: KeyPair) -> [u8; 32] {
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let pair = insecure_pair_from_name("Alice");
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let public = pair.public();
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let serai = serai().await;
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let public_key = <Ristretto as Ciphersuite>::read_G::<&[u8]>(&mut public.0.as_ref()).unwrap();
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assert_eq!(
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serai.get_validator_set_musig_key(set).await.unwrap().unwrap(),
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musig_key(set, &[public]).0
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);
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let secret_key = <Ristretto as Ciphersuite>::read_F::<&[u8]>(
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&mut pair.as_ref().secret.to_bytes()[.. 32].as_ref(),
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)
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.unwrap();
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assert_eq!(Ristretto::generator() * secret_key, public_key);
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let threshold_keys =
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musig::<Ristretto>(&musig_context(set), &Zeroizing::new(secret_key), &[public_key]).unwrap();
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assert_eq!(
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serai.get_validator_set_musig_key(set).await.unwrap().unwrap(),
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threshold_keys.group_key().to_bytes()
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);
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let sig = frost::tests::sign_without_caching(
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&mut OsRng,
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frost::tests::algorithm_machines(
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&mut OsRng,
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Schnorrkel::new(b"substrate"),
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&HashMap::from([(threshold_keys.params().i(), threshold_keys.into())]),
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),
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&set_keys_message(&set, &key_pair),
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);
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// Vote in a key pair
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let block = publish_tx(&Serai::set_validator_set_keys(
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set.network,
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key_pair.clone(),
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Signature(sig.to_bytes()),
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))
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.await;
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assert_eq!(
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serai.get_key_gen_events(block).await.unwrap(),
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vec![ValidatorSetsEvent::KeyGen { set, key_pair: key_pair.clone() }]
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);
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assert_eq!(serai.get_keys(set).await.unwrap(), Some(key_pair));
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block
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}
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