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Staking pallet (#373)

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* initial staking pallet

* add staking pallet to runtime

* support session rotation for serai

* optimizations & cleaning

* fix deny

* add serai network to initial networks

* a few tweaks & comments

* fix some pr comments

* Rewrite validator-sets with logarithmic algorithms

Uses the fact the underlying DB is sorted to achieve sorting of potential
validators by stake.

Removes release of deallocated stake for now.

---------

Co-authored-by: Luke Parker <lukeparker5132@gmail.com>
This commit is contained in:
akildemir
2023-10-10 13:53:24 +03:00
committed by GitHub
parent 2f45bba2d4
commit 98190b7b83
25 changed files with 635 additions and 149 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
substrate/client/tests/common/in_instructions.rs
View File

@@ -26,7 +26,9 @@ pub async fn provide_batch(batch: Batch) -> [u8; 32] {
// TODO: Get the latest session
let set = ValidatorSet { session: Session(0), network: batch.network };
let pair = insecure_pair_from_name(&format!("ValidatorSet {:?}", set));
let keys = if let Some(keys) = serai.get_keys(set).await.unwrap() {
let keys = if let Some(keys) =
serai.get_keys(set, serai.get_latest_block_hash().await.unwrap()).await.unwrap()
{
keys
} else {
let keys = (pair.public(), vec![].try_into().unwrap());

14
substrate/client/tests/common/validator_sets.rs
View File

@@ -28,7 +28,11 @@ pub async fn set_validator_set_keys(set: ValidatorSet, key_pair: KeyPair) -> [u8
let serai = serai().await;
let public_key = <Ristretto as Ciphersuite>::read_G::<&[u8]>(&mut public.0.as_ref()).unwrap();
assert_eq!(
serai.get_validator_set_musig_key(set).await.unwrap().unwrap(),
serai
.get_validator_set_musig_key(set, serai.get_latest_block_hash().await.unwrap())
.await
.unwrap()
.unwrap(),
musig_key(set, &[public]).0
);
@@ -40,7 +44,11 @@ pub async fn set_validator_set_keys(set: ValidatorSet, key_pair: KeyPair) -> [u8
let threshold_keys =
musig::<Ristretto>(&musig_context(set), &Zeroizing::new(secret_key), &[public_key]).unwrap();
assert_eq!(
serai.get_validator_set_musig_key(set).await.unwrap().unwrap(),
serai
.get_validator_set_musig_key(set, serai.get_latest_block_hash().await.unwrap())
.await
.unwrap()
.unwrap(),
threshold_keys.group_key().to_bytes()
);
@@ -66,7 +74,7 @@ pub async fn set_validator_set_keys(set: ValidatorSet, key_pair: KeyPair) -> [u8
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));
assert_eq!(serai.get_keys(set, block).await.unwrap(), Some(key_pair));
block
}

23
substrate/client/tests/validator_sets.rs
View File

@@ -3,7 +3,7 @@ use rand_core::{RngCore, OsRng};
use sp_core::{sr25519::Public, Pair};
use serai_client::{
primitives::{NETWORKS, NetworkId, insecure_pair_from_name},
primitives::{NetworkId, insecure_pair_from_name},
validator_sets::{
primitives::{Session, ValidatorSet, musig_key},
ValidatorSetsEvent,
@@ -38,7 +38,7 @@ serai_test!(
.get_new_set_events(serai.get_block_by_number(0).await.unwrap().unwrap().hash())
.await
.unwrap(),
[NetworkId::Bitcoin, NetworkId::Ethereum, NetworkId::Monero]
[NetworkId::Serai, NetworkId::Bitcoin, NetworkId::Ethereum, NetworkId::Monero]
.iter()
.copied()
.map(|network| ValidatorSetsEvent::NewSet {
@@ -47,12 +47,19 @@ serai_test!(
.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());
let participants = serai
.get_validator_set_participants(set.network, serai.get_latest_block_hash().await.unwrap())
.await
.unwrap()
.unwrap();
let participants_ref: &[_] = participants.as_ref();
assert_eq!(participants_ref, [public].as_ref());
assert_eq!(
serai.get_validator_set_musig_key(set).await.unwrap().unwrap(),
serai
.get_validator_set_musig_key(set, serai.get_latest_block_hash().await.unwrap())
.await
.unwrap()
.unwrap(),
musig_key(set, &[public]).0
);
@@ -64,6 +71,6 @@ serai_test!(
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));
assert_eq!(serai.get_keys(set, block).await.unwrap(), Some(key_pair));
}
);