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offchain worker restructure and block commitments added

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Signed-off-by: Uncle Stinky <uncle.stinky@ghostchain.io>
This commit is contained in:
Uncle Stinky 2025-11-20 03:06:48 +03:00
parent d76646c191
commit 0bb46482b2
Signed by: st1nky
GPG Key ID: 016064BD97603B40
6 changed files with 531 additions and 557 deletions
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2
pallets/slow-clap/Cargo.toml
View File

@ -1,6 +1,6 @@
[package]
name = "ghost-slow-clap"
version = "0.3.54"
version = "0.3.55"
description = "Applause protocol for the EVM bridge"
license.workspace = true
authors.workspace = true

117
pallets/slow-clap/src/benchmarking.rs
View File

@ -17,68 +17,21 @@ benchmarks! {
let minimum_balance = <<T as pallet::Config>::Currency>::minimum_balance();
let receiver = create_account::<T>();
let amount = minimum_balance + minimum_balance;
let network_id = NetworkIdOf::<T>::default();
let session_index = T::ValidatorSet::session_index();
let transaction_hash = H256::repeat_byte(1u8);
let args_hash = Pallet::<T>::generate_unique_hash(&receiver, &amount, &network_id);
let authorities = vec![T::AuthorityId::generate_pair(None)];
let bounded_authorities = WeakBoundedVec::<_, T::MaxAuthorities>::try_from(authorities.clone())
.map_err(|()| "more than the maximum number of keys provided")?;
Authorities::<T>::set(&session_index, bounded_authorities);
let authority_index = 0u32;
let clap = Clap {
session_index: 0,
authority_index: 0,
transaction_hash: H256::repeat_byte(1u8),
block_number: 69,
removed: false,
network_id,
receiver: receiver.clone(),
amount,
};
let authority_id = authorities
.get(0usize)
.expect("first authority should exist");
let encoded_clap = clap.encode();
let signature = authority_id.sign(&encoded_clap)
.ok_or("couldn't make signature")?;
}: _(RawOrigin::None, clap, signature)
verify {
assert_eq!(<<T as pallet::Config>::Currency>::total_balance(&receiver), amount);
}
self_applause {
let session_index = T::ValidatorSet::session_index();
let next_session_index = session_index.saturating_add(1);
let authorities = vec![
T::AuthorityId::generate_pair(None),
T::AuthorityId::generate_pair(None),
];
let bounded_authorities = WeakBoundedVec::<_, T::MaxAuthorities>::try_from(authorities.clone())
.map_err(|()| "more than the maximum number of keys provided")?;
Authorities::<T>::set(&session_index, bounded_authorities.clone());
Authorities::<T>::set(&next_session_index, bounded_authorities);
let minimum_balance = <<T as pallet::Config>::Currency>::minimum_balance();
let receiver = create_account::<T>();
let receiver_clone = receiver.clone();
let amount = minimum_balance + minimum_balance;
let network_id = NetworkIdOf::<T>::default();
let transaction_hash = H256::repeat_byte(1u8);
let unique_transaction_hash = <Pallet<T>>::generate_unique_hash(
&receiver,
&amount,
&network_id,
);
let storage_key = (session_index, &transaction_hash, &unique_transaction_hash);
let next_storage_key = (next_session_index, &transaction_hash, &unique_transaction_hash);
<Pallet::<T>>::trigger_nullification_for_benchmark();
let clap = Clap {
session_index,
authority_index: 0,
authority_index,
transaction_hash,
block_number: 69,
removed: false,
@ -88,26 +41,54 @@ benchmarks! {
};
let authority_id = authorities
.get(0usize)
.get(authority_index as usize)
.expect("first authority should exist");
let encoded_clap = clap.encode();
let signature = authority_id.sign(&encoded_clap).unwrap();
Pallet::<T>::slow_clap(RawOrigin::None.into(), clap, signature)?;
Pallet::<T>::trigger_nullification_for_benchmark();
let signature = authority_id.sign(&clap.encode())
.ok_or("couldn't make signature")?;
assert_eq!(<<T as pallet::Config>::Currency>::total_balance(&receiver), Default::default());
assert_eq!(ApplausesForTransaction::<T>::get(&storage_key), false);
frame_system::Pallet::<T>::on_initialize(1u32.into());
let mut fake_received_clap =
BoundedBTreeSet::<AuthIndex, T::MaxAuthorities>::new();
assert_eq!(fake_received_clap.try_insert(1).unwrap(), true);
pallet::ReceivedClaps::<T>::insert(&next_storage_key, fake_received_clap);
}: _(RawOrigin::Signed(receiver_clone), network_id, session_index, transaction_hash, receiver_clone.clone(), amount)
}: _(RawOrigin::None, clap, signature)
verify {
let clap_key = (session_index, transaction_hash, args_hash);
assert_eq!(ReceivedClaps::<T>::get(&clap_key).get(&authority_index).is_some(), true);
assert_eq!(<<T as pallet::Config>::Currency>::total_balance(&receiver), amount);
assert_eq!(ApplausesForTransaction::<T>::get(&storage_key), true);
}
commit_block {
let session_index = T::ValidatorSet::session_index();
let network_id = NetworkIdOf::<T>::default();
let authorities = vec![T::AuthorityId::generate_pair(None)];
let bounded_authorities = WeakBoundedVec::<_, T::MaxAuthorities>::try_from(authorities.clone())
.map_err(|()| "more than the maximum number of keys provided")?;
Authorities::<T>::set(&session_index, bounded_authorities);
let authority_index = 0u32;
let block_commitment = BlockCommitment {
session_index,
authority_index,
network_id,
commitment: CommitmentDetails {
last_registered_block: 69,
last_seen_block: 420,
last_updated: 1337,
}
};
let authority_id = authorities
.get(authority_index as usize)
.expect("first authority should exist");
let signature = authority_id.sign(&block_commitment.encode())
.ok_or("couldn't make signature")?;
}: _(RawOrigin::None, block_commitment, signature)
verify {
let stored_commitment = BlockCommitments::<T>::get(&network_id)
.get(&authority_index)
.cloned()
.unwrap_or_default();
assert_eq!(stored_commitment.last_registered_block, 69);
assert_eq!(stored_commitment.last_seen_block, 420);
assert_eq!(stored_commitment.last_updated, 1337);
}
impl_benchmark_test_suite!(

220
pallets/slow-clap/src/evm_types.rs
View File

@ -1,9 +1,14 @@
use sp_runtime::SaturatedConversion;
use sp_staking::SessionIndex;
use crate::{
deserialisations::{
de_string_to_bytes, de_string_to_h256, de_string_to_u64, de_string_to_u64_pure,
de_string_to_vec_of_bytes,
},
Decode, Deserialize, Encode, RuntimeDebug, Vec, H256,
AuthIndex, BalanceOf, BlockCommitment, BlockCommitments, Call, Clap, CommitmentDetails, Config,
Decode, Deserialize, Encode, NetworkIdOf, RuntimeAppPublic, RuntimeDebug, SubmitTransaction,
Vec, COMMITMENT_DELAY_MILLIS, H256, LOG_TARGET,
};
const NUMBER_OF_TOPICS: usize = 3;
@ -40,6 +45,219 @@ pub struct Log {
pub removed: bool,
}
impl EvmResponseType {
fn prepare_block_commitment<T: Config>(
&self,
from_block: u64,
authority_index: AuthIndex,
session_index: SessionIndex,
network_id: NetworkIdOf<T>,
) -> BlockCommitment<NetworkIdOf<T>> {
let last_updated = sp_io::offchain::timestamp().unix_millis();
let current_block = match self {
EvmResponseType::BlockNumber(block_number) => *block_number,
EvmResponseType::TransactionLogs(_) => Default::default(),
};
BlockCommitment {
session_index,
authority_index,
network_id,
commitment: CommitmentDetails {
last_registered_block: from_block,
last_seen_block: current_block,
last_updated,
},
}
}
fn prepare_clap<T: Config>(
&self,
authority_index: AuthIndex,
session_index: SessionIndex,
network_id: NetworkIdOf<T>,
log: &Log,
) -> Clap<T::AccountId, NetworkIdOf<T>, BalanceOf<T>> {
Clap {
authority_index,
session_index,
network_id,
removed: log.removed,
receiver: T::AccountId::decode(&mut &log.topics[1][0..32])
.expect("32 bytes always construct an AccountId32"),
amount: u128::from_be_bytes(
log.topics[2][16..32]
.try_into()
.expect("amount is valid hex; qed"),
)
.saturated_into::<BalanceOf<T>>(),
transaction_hash: log.transaction_hash.clone().expect("tx hash exists; qed"),
block_number: log.block_number.expect("block number exists; qed"),
}
}
fn iter_claps_from_logs<T: Config>(
&self,
authority_index: AuthIndex,
session_index: SessionIndex,
network_id: NetworkIdOf<T>,
) -> Vec<Clap<T::AccountId, NetworkIdOf<T>, BalanceOf<T>>> {
match self {
EvmResponseType::TransactionLogs(evm_logs) => evm_logs
.iter()
.filter_map(move |log| {
log.is_sufficient().then(|| {
self.prepare_clap::<T>(authority_index, session_index, network_id, log)
})
})
.collect(),
EvmResponseType::BlockNumber(_) => Vec::new(),
}
}
fn sign_and_submit_claps<T: Config>(
&self,
authority_index: AuthIndex,
authority_key: T::AuthorityId,
session_index: SessionIndex,
network_id: NetworkIdOf<T>,
) {
let claps = self.iter_claps_from_logs::<T>(authority_index, session_index, network_id);
let claps_len = claps.len();
log::info!(
target: LOG_TARGET,
"🧐 Found {:?} claps for network {:?}",
claps_len,
network_id,
);
for (clap_index, clap) in claps.iter().enumerate() {
let signature = match authority_key.sign(&clap.encode()) {
Some(signature) => signature,
None => {
log::info!(
target: LOG_TARGET,
"🧐 Clap #{} signing failed from authority #{:?} for network {:?}",
clap_index,
authority_index,
network_id,
);
return;
}
};
let call = Call::slow_clap {
clap: clap.clone(),
signature,
};
if let Err(e) =
SubmitTransaction::<T, Call<T>>::submit_unsigned_transaction(call.into())
{
log::info!(
target: LOG_TARGET,
"🧐 Failed to submit clap #{} from authority #{:?} for network {:?}: {:?}",
clap_index,
authority_index,
network_id,
e,
);
}
}
}
fn sign_and_submit_block_commitment<T: Config>(
&self,
from_block: u64,
authority_index: AuthIndex,
authority_key: T::AuthorityId,
session_index: SessionIndex,
network_id: NetworkIdOf<T>,
) {
let block_commitment = self.prepare_block_commitment::<T>(
from_block,
authority_index,
session_index,
network_id,
);
let stored_last_updated = BlockCommitments::<T>::get(&network_id)
.get(&authority_index)
.map(|details| details.last_updated)
.unwrap_or_default();
let current_last_updated = block_commitment
.commitment
.last_updated
.saturating_sub(COMMITMENT_DELAY_MILLIS);
if current_last_updated < stored_last_updated {
return;
}
log::info!(
target: LOG_TARGET,
"🧐 New block commitment from authority #{:?} for network {:?}",
authority_index,
network_id,
);
let signature = match authority_key.sign(&block_commitment.encode()) {
Some(signature) => signature,
None => {
log::info!(
target: LOG_TARGET,
"🧐 Block commitment signing failed from authority #{:?} for network {:?}",
authority_index,
network_id,
);
return;
}
};
let call = Call::commit_block {
block_commitment,
signature,
};
if let Err(e) = SubmitTransaction::<T, Call<T>>::submit_unsigned_transaction(call.into()) {
log::info!(
target: LOG_TARGET,
"🧐 Failed to submit block commitment from authority #{:?} for network {:?}: {:?}",
authority_index,
network_id,
e,
);
}
}
pub fn sign_and_submit<T: Config>(
&self,
from_block: u64,
authority_index: AuthIndex,
authority_key: T::AuthorityId,
session_index: SessionIndex,
network_id: NetworkIdOf<T>,
) {
match self {
EvmResponseType::TransactionLogs(_) => self.sign_and_submit_claps::<T>(
authority_index,
authority_key,
session_index,
network_id,
),
EvmResponseType::BlockNumber(_) => self.sign_and_submit_block_commitment::<T>(
from_block,
authority_index,
authority_key,
session_index,
network_id,
),
}
}
}
impl Log {
pub fn is_sufficient(&self) -> bool {
self.transaction_hash.is_some()

378
pallets/slow-clap/src/lib.rs
View File

@ -28,7 +28,7 @@ use sp_runtime::{
HttpError,
},
traits::{BlockNumberProvider, Convert, Saturating, TrailingZeroInput},
Perbill, RuntimeAppPublic, RuntimeDebug, SaturatedConversion,
Perbill, RuntimeAppPublic, RuntimeDebug,
};
use sp_staking::{
offence::{Kind, Offence, ReportOffence},
@ -70,11 +70,43 @@ pub mod sr25519 {
const LOG_TARGET: &str = "runtime::ghost-slow-clap";
const DB_PREFIX: &[u8] = b"slow_clap::";
const MIN_LOCK_GUARD_PERIOD: u64 = 15_000;
const FETCH_TIMEOUT_PERIOD: u64 = 3_000;
const LOCK_BLOCK_EXPIRATION: u64 = 20;
const COMMITMENT_DELAY_MILLIS: u64 = 600_000;
pub type AuthIndex = u32;
#[derive(
RuntimeDebug,
Default,
Copy,
Clone,
Eq,
PartialEq,
Ord,
PartialOrd,
Encode,
Decode,
TypeInfo,
MaxEncodedLen,
)]
pub struct CommitmentDetails {
pub last_registered_block: u64,
pub last_seen_block: u64,
pub last_updated: u64,
}
#[derive(
RuntimeDebug, Clone, Eq, PartialEq, Ord, PartialOrd, Encode, Decode, TypeInfo, MaxEncodedLen,
)]
pub struct BlockCommitment<NetworkId> {
pub session_index: SessionIndex,
pub authority_index: AuthIndex,
pub network_id: NetworkId,
pub commitment: CommitmentDetails,
}
#[derive(
RuntimeDebug, Clone, Eq, PartialEq, Ord, PartialOrd, Encode, Decode, TypeInfo, MaxEncodedLen,
)]
@ -260,6 +292,10 @@ pub mod pallet {
receiver: T::AccountId,
received_amount: BalanceOf<T>,
},
BlockCommited {
authority_id: AuthIndex,
network_id: NetworkIdOf<T>,
},
}
#[pallet::error]
@ -271,8 +307,20 @@ pub mod pallet {
CouldNotAccumulateCommission,
CouldNotAccumulateIncomingImbalance,
CouldNotIncreaseGatekeeperAmount,
NonExistentAuthorityIndex,
TimeWentBackwards,
}
#[pallet::storage]
#[pallet::getter(fn block_commitments)]
pub(super) type BlockCommitments<T: Config> = StorageMap<
_,
Twox64Concat,
NetworkIdOf<T>,
BTreeMap<AuthIndex, CommitmentDetails>,
ValueQuery,
>;
#[pallet::storage]
#[pallet::getter(fn received_claps)]
pub(super) type ReceivedClaps<T: Config> = StorageNMap<
@ -361,23 +409,17 @@ pub mod pallet {
}
#[pallet::call_index(1)]
#[pallet::weight(T::WeightInfo::self_applause())]
pub fn self_applause(
#[pallet::weight((T::WeightInfo::commit_block(), DispatchClass::Normal, Pays::No))]
pub fn commit_block(
origin: OriginFor<T>,
network_id: NetworkIdOf<T>,
prev_session_index: SessionIndex,
transaction_hash: H256,
receiver: T::AccountId,
amount: BalanceOf<T>,
block_commitment: BlockCommitment<NetworkIdOf<T>>,
// since signature verification is done in `validate_unsigned`
// we can skip doing it here again.
_signature: <T::AuthorityId as RuntimeAppPublic>::Signature,
) -> DispatchResult {
let _ = ensure_signed(origin)?;
Self::applause_if_posible(
network_id,
prev_session_index,
transaction_hash,
receiver,
amount,
)
ensure_none(origin)?;
Self::try_commit_block(&block_commitment)?;
Ok(())
}
}
@ -398,9 +440,35 @@ pub mod pallet {
#[pallet::validate_unsigned]
impl<T: Config> ValidateUnsigned for Pallet<T> {
type Call = Call<T>;
fn validate_unsigned(_source: TransactionSource, call: &Self::Call) -> TransactionValidity {
if let Call::slow_clap { clap, signature } = call {
match call {
Call::commit_block {
block_commitment,
signature,
} => {
let authorities = Authorities::<T>::get(&block_commitment.session_index);
let authority = match authorities.get(block_commitment.authority_index as usize)
{
Some(authority) => authority,
None => return InvalidTransaction::BadSigner.into(),
};
let signature_valid = block_commitment.using_encoded(|encoded_commitment| {
authority.verify(&encoded_commitment, signature)
});
if !signature_valid {
return InvalidTransaction::BadProof.into();
}
ValidTransaction::with_tag_prefix("SlowClap")
.priority(T::UnsignedPriority::get())
.and_provides(block_commitment.commitment.encode())
.longevity(LOCK_BLOCK_EXPIRATION)
.propagate(true)
.build()
}
Call::slow_clap { clap, signature } => {
let (session_index, _) = Self::mended_session_index(&clap);
let authorities = Authorities::<T>::get(&session_index);
let authority = match authorities.get(clap.authority_index as usize) {
@ -416,8 +484,8 @@ pub mod pallet {
return InvalidTransaction::BadSigner.into();
}
let signature_valid =
clap.using_encoded(|encoded_clap| authority.verify(&encoded_clap, signature));
let signature_valid = clap
.using_encoded(|encoded_clap| authority.verify(&encoded_clap, signature));
if !signature_valid {
return InvalidTransaction::BadProof.into();
@ -429,8 +497,8 @@ pub mod pallet {
.longevity(LOCK_BLOCK_EXPIRATION)
.propagate(true)
.build()
} else {
InvalidTransaction::Call.into()
}
_ => InvalidTransaction::Call.into(),
}
}
}
@ -618,79 +686,30 @@ impl<T: Config> Pallet<T> {
})
}
fn applause_if_posible(
network_id: NetworkIdOf<T>,
prev_session_index: SessionIndex,
transaction_hash: H256,
receiver: T::AccountId,
amount: BalanceOf<T>,
) -> DispatchResult {
let curr_session_index = prev_session_index.saturating_add(1);
let clap_unique_hash = Self::generate_unique_hash(&receiver, &amount, &network_id);
fn try_commit_block(new_commitment: &BlockCommitment<NetworkIdOf<T>>) -> DispatchResult {
BlockCommitments::<T>::try_mutate(&new_commitment.network_id, |current_commitments| {
let authority_index = new_commitment.authority_index;
let new_commitment_details = new_commitment.commitment;
let prev_authorities = Authorities::<T>::get(&prev_session_index)
.into_iter()
.enumerate()
.map(|(i, auth)| (auth, i as AuthIndex))
.collect::<BTreeMap<T::AuthorityId, AuthIndex>>();
let curr_authorities = Authorities::<T>::get(&curr_session_index);
let current_last_updated = current_commitments
.get(&authority_index)
.map(|details| details.last_updated)
.unwrap_or_default();
let prev_received_claps_key = (prev_session_index, &transaction_hash, &clap_unique_hash);
let curr_received_claps_key = (curr_session_index, &transaction_hash, &clap_unique_hash);
ensure!(
new_commitment_details.last_updated > current_last_updated,
Error::<T>::TimeWentBackwards
);
let mut previous_claps = ClapsInSession::<T>::get(&prev_session_index);
let mut total_received_claps =
ReceivedClaps::<T>::get(&prev_received_claps_key).into_inner();
current_commitments.insert(authority_index, new_commitment_details);
for (auth_index, info) in ClapsInSession::<T>::get(&curr_session_index).iter() {
if !info.disabled {
continue;
}
if let Some(curr_authority) = curr_authorities.get(*auth_index as usize) {
if let Some(prev_position) = prev_authorities.get(&curr_authority) {
previous_claps
.entry(*prev_position as AuthIndex)
.and_modify(|individual| (*individual).disabled = true)
.or_insert(SessionAuthorityInfo {
claps: 0u32,
disabled: true,
Self::deposit_event(Event::<T>::BlockCommited {
network_id: new_commitment.network_id,
authority_id: authority_index,
});
}
}
}
for auth_index in ReceivedClaps::<T>::get(&curr_received_claps_key).into_iter() {
if let Some(curr_authority) = curr_authorities.get(auth_index as usize) {
if let Some(prev_position) = prev_authorities.get(&curr_authority) {
let _ = total_received_claps.insert(*prev_position as AuthIndex);
}
}
}
let disabled_authorities = previous_claps.values().filter(|info| info.disabled).count();
let active_authorities = prev_authorities.len().saturating_sub(disabled_authorities);
let clap = Clap {
authority_index: Default::default(),
block_number: Default::default(),
removed: Default::default(),
session_index: Default::default(),
transaction_hash: Default::default(),
network_id,
receiver,
amount,
};
let enough_authorities =
Perbill::from_rational(total_received_claps.len() as u32, active_authorities as u32)
> Perbill::from_percent(T::ApplauseThreshold::get());
ensure!(enough_authorities, Error::<T>::NotEnoughClaps);
Self::try_applause(&clap, &prev_received_claps_key)?;
Ok(())
})
}
fn start_slow_clapping(block_number: BlockNumberFor<T>) -> OffchainResult<T, ()> {
@ -716,7 +735,7 @@ impl<T: Config> Pallet<T> {
let network_lock_key = Self::create_storage_key(b"network-lock-", &network_id_encoded);
let block_until =
rt_offchain::Duration::from_millis(rate_limit_delay.max(FETCH_TIMEOUT_PERIOD));
rt_offchain::Duration::from_millis(rate_limit_delay.max(MIN_LOCK_GUARD_PERIOD));
let mut network_lock = StorageLock::<Time>::with_deadline(&network_lock_key, block_until);
let _lock_guard = network_lock
@ -771,44 +790,59 @@ impl<T: Config> Pallet<T> {
.get(random_index)
.ok_or(OffchainErr::NoEndpointAvailable(network_id))?;
let maybe_block_range: Option<(u64, u64)> = StorageValueRef::persistent(&block_number_key)
let (from_block, to_block): (u64, u64) = StorageValueRef::persistent(&block_number_key)
.get()
.map_err(|_| OffchainErr::StorageRetrievalError(network_id))?;
.map_err(|_| OffchainErr::StorageRetrievalError(network_id))?
.unwrap_or_default();
let request_body = match maybe_block_range {
Some((from_block, to_block)) if from_block < to_block.saturating_sub(1) => {
let request_body = if from_block < to_block.saturating_sub(1) {
Self::prepare_request_body_for_latest_transfers(
from_block,
to_block.saturating_sub(1),
network_data,
)
}
_ => Self::prepare_request_body_for_latest_block(network_data),
} else {
Self::prepare_request_body_for_latest_block(network_data)
};
let response_bytes = Self::fetch_from_remote(&rpc_endpoint, &request_body)?;
match network_data.network_type {
NetworkType::Evm => {
let maybe_new_evm_block =
Self::apply_evm_response(&response_bytes, session_index, network_id)?;
let estimated_block = maybe_new_evm_block
.map(|new_evm_block| new_evm_block.saturating_sub(network_data.finality_delay))
.unwrap_or_default();
let parsed_evm_response = Self::parse_evm_response(&response_bytes)?;
let new_block_range = match parsed_evm_response {
EvmResponseType::BlockNumber(new_evm_block) if from_block.le(&to_block) => {
let estimated_block =
new_evm_block.saturating_sub(network_data.finality_delay);
let adjusted_block =
Self::adjust_to_block(estimated_block, from_block, max_block_distance);
let new_block_range = match maybe_block_range {
Some((from_block, to_block)) => match maybe_new_evm_block {
Some(_) if from_block.le(&to_block) => (
from_block,
Self::adjust_to_block(estimated_block, from_block, max_block_distance),
),
if from_block == 0 {
(estimated_block, estimated_block)
} else {
(from_block, adjusted_block)
}
}
_ => (to_block, to_block),
},
None => (estimated_block, estimated_block),
};
StorageValueRef::persistent(&block_number_key).set(&new_block_range);
if !sp_io::offchain::is_validator() {
log::info!(target: LOG_TARGET, "🧐 Not a validator; no transactions available");
return Ok(());
}
for (authority_index, authority_key) in Self::local_authorities(&session_index) {
parsed_evm_response.sign_and_submit::<T>(
new_block_range.0,
authority_index,
authority_key,
session_index,
network_id,
);
}
Ok(())
}
NetworkType::Utxo => Err(OffchainErr::UtxoNotImplemented(network_id).into()),
@ -816,123 +850,6 @@ impl<T: Config> Pallet<T> {
}
}
fn apply_evm_response(
response_bytes: &[u8],
session_index: SessionIndex,
network_id: NetworkIdOf<T>,
) -> OffchainResult<T, Option<u64>> {
match Self::parse_evm_response(&response_bytes)? {
EvmResponseType::BlockNumber(new_evm_block) => {
log::info!(
target: LOG_TARGET,
"🧐 New evm block #{:?} found for network {:?}",
new_evm_block,
network_id,
);
Ok(Some(new_evm_block))
}
EvmResponseType::TransactionLogs(evm_logs) => {
if sp_io::offchain::is_validator() {
log::info!(target: LOG_TARGET, "🧐 Not a validator; no claps available");
return Ok(None);
}
for (authority_index, authority_key) in Self::local_authorities(&session_index) {
if ClapsInSession::<T>::get(&session_index)
.get(&authority_index)
.map(|info| info.disabled)
.unwrap_or_default()
{
log::info!(
target: LOG_TARGET,
"🧐 Authority #{:?} disabled in session {:?}; no claps available",
authority_index,
session_index
);
continue;
}
let claps: Vec<_> = evm_logs
.iter()
.filter_map(|log| {
log.is_sufficient().then(|| Clap {
authority_index,
session_index,
network_id,
removed: log.removed,
receiver: T::AccountId::decode(&mut &log.topics[1][0..32])
.expect("32 bytes always construct an AccountId32"),
amount: u128::from_be_bytes(
log.topics[2][16..32]
.try_into()
.expect("amount is valid hex; qed"),
)
.saturated_into::<BalanceOf<T>>(),
transaction_hash: log
.transaction_hash
.clone()
.expect("tx hash exists; qed"),
block_number: log.block_number.expect("block number exists; qed"),
})
})
.collect();
log::info!(
target: LOG_TARGET,
"🧐 {:?} evm logs found for network {:?}",
claps.len(),
network_id,
);
Self::sign_and_submit_claps(authority_key, authority_index, network_id, &claps);
}
Ok(None)
}
}
}
fn sign_and_submit_claps(
authority_key: T::AuthorityId,
authority_index: AuthIndex,
network_id: NetworkIdOf<T>,
claps: &Vec<Clap<T::AccountId, NetworkIdOf<T>, BalanceOf<T>>>,
) {
for (clap_index, clap) in claps.iter().enumerate() {
let signature = match authority_key.sign(&clap.encode()) {
Some(signature) => signature,
None => {
log::info!(
target: LOG_TARGET,
"🧐 Failed to sign clap #{:?} from authority #{:?} for network {:?}",
clap_index,
authority_index,
network_id,
);
continue;
}
};
let call = Call::slow_clap {
clap: clap.clone(),
signature,
};
if let Err(e) =
SubmitTransaction::<T, Call<T>>::submit_unsigned_transaction(call.into())
{
log::info!(
target: LOG_TARGET,
"🧐 Failed to submit clap #{:?} from authority #{:?} for network {:?}: {:?}",
clap_index,
authority_index,
network_id,
e,
);
}
}
}
fn adjust_to_block(estimated_block: u64, from_block: u64, max_block_distance: u64) -> u64 {
let fallback_value = from_block
.saturating_add(max_block_distance)
@ -943,7 +860,7 @@ impl<T: Config> Pallet<T> {
.map(|current_distance| {
current_distance
.le(&max_block_distance)
.then(|| estimated_block)
.then_some(estimated_block)
})
.flatten()
.unwrap_or(fallback_value)
@ -1151,11 +1068,6 @@ impl<T: Config> Pallet<T> {
.expect("more than the maximum number of authorities");
Authorities::<T>::set(session_index, bounded_authorities);
}
#[cfg(feature = "runtime-benchmarks")]
fn trigger_nullification_for_benchmark() {
T::NetworkDataHandler::trigger_nullification();
}
}
impl<T: Config> sp_runtime::BoundToRuntimeAppPublic for Pallet<T> {
@ -1184,6 +1096,10 @@ impl<T: Config> OneSessionHandler<T::AccountId> for Pallet<T> {
where
I: Iterator<Item = (&'a T::AccountId, T::AuthorityId)>,
{
for (network_id, _) in BlockCommitments::<T>::iter() {
BlockCommitments::<T>::remove(network_id);
}
let authorities = validators.map(|x| x.1).collect::<Vec<_>>();
Self::initialize_authorities(authorities);
}

218
pallets/slow-clap/src/tests.rs
View File

@ -70,6 +70,35 @@ fn do_clap_from_first_authority(
SlowClap::slow_clap(RuntimeOrigin::none(), clap, signature)
}
fn do_block_commitment(
session_index: u32,
network_id: u32,
authority_index: u32,
) -> dispatch::DispatchResult {
let last_updated = 1337;
let block_commitment = BlockCommitment {
session_index,
authority_index,
network_id,
commitment: CommitmentDetails {
last_registered_block: 69,
last_seen_block: 420,
last_updated,
},
};
let authority = UintAuthorityId::from((authority_index + 1) as u64);
let signature = authority.sign(&block_commitment.encode()).unwrap();
SlowClap::pre_dispatch(&crate::Call::commit_block {
block_commitment: block_commitment.clone(),
signature: signature.clone(),
})
.map_err(|e| <&'static str>::from(e))?;
SlowClap::commit_block(RuntimeOrigin::none(), block_commitment, signature)
}
fn do_clap_from(
session_index: u32,
network_id: u32,
@ -100,7 +129,7 @@ fn do_clap_from(
}
#[test]
fn test_throttling_slash_function() {
fn should_calculate_throttling_slash_function_correctly() {
let dummy_offence = ThrottlingOffence {
session_index: 0,
validator_set_count: 50,
@ -120,7 +149,7 @@ fn test_throttling_slash_function() {
}
#[test]
fn test_median_calculations_are_correct() {
fn should_calculate_median_correctly() {
new_test_ext().execute_with(|| {
let data = BTreeMap::from([
(
@ -371,9 +400,14 @@ fn should_make_http_call_and_parse_block_number() {
let request_body = SlowClap::prepare_request_body_for_latest_block(&network_data);
let raw_response = SlowClap::fetch_from_remote(&rpc_endpoint, &request_body)?;
let maybe_evm_block_number = SlowClap::apply_evm_response(&raw_response, 420, 1)?;
let evm_block_number = SlowClap::parse_evm_response(&raw_response).map(
|parsed_response| match parsed_response {
EvmResponseType::BlockNumber(block_number) => block_number,
EvmResponseType::TransactionLogs(_) => 0,
},
)?;
assert_eq!(maybe_evm_block_number, Some(20335745));
assert_eq!(evm_block_number, 20335745);
Ok(())
});
}
@ -391,7 +425,6 @@ fn should_make_http_call_and_parse_logs() {
evm_logs_response(&mut state.write());
let _: Result<(), OffchainErr<u32>> = t.execute_with(|| {
let session_index = advance_session_and_get_index();
let rpc_endpoint = get_rpc_endpoint();
let from_block: u64 = 20335770;
@ -411,10 +444,6 @@ fn should_make_http_call_and_parse_logs() {
EvmResponseType::TransactionLogs(evm_logs) => assert_eq!(evm_logs.len(), 2),
}
let maybe_evm_block_number =
SlowClap::apply_evm_response(&raw_response, session_index, network_id)?;
assert_eq!(maybe_evm_block_number, None);
Ok(())
});
}
@ -900,7 +929,7 @@ fn should_nullify_commission_on_finalize() {
total_issuance,
0u64
),
(420000000000000u64, 0u64)
(amount, 0u64)
); // precomputed values
assert_eq!(Networks::is_nullification_period(), true);
Networks::on_finalize(System::block_number());
@ -948,132 +977,6 @@ fn should_avoid_applause_during_nullification_period() {
});
}
#[test]
fn should_self_applause_after_diabled() {
let zero = 0u64;
let (network_id, transaction_hash, unique_transaction_hash) =
generate_unique_hash(None, None, None, None);
let (_, receiver, amount) = get_mocked_metadata();
new_test_ext().execute_with(|| {
let _ = prepare_evm_network(Some(network_id), Some(0));
let session_index = advance_session_and_get_index();
let storage_key = (session_index, transaction_hash, unique_transaction_hash);
assert_err!(
SlowClap::self_applause(
RuntimeOrigin::signed(receiver),
network_id,
session_index,
transaction_hash,
receiver,
amount,
),
Error::<Runtime>::NotEnoughClaps,
);
assert_eq!(
pallet::ApplausesForTransaction::<Runtime>::get(&storage_key),
false
);
assert_eq!(Balances::balance(&receiver), zero);
assert_ok!(do_clap_from(session_index, network_id, 0, false));
advance_session();
let curr_session_index = Session::session_index();
pallet::ClapsInSession::<Runtime>::mutate(&session_index, |claps| {
claps
.entry(1 as AuthIndex)
.and_modify(|individual| (*individual).disabled = true)
.or_insert(SessionAuthorityInfo {
claps: 0u32,
disabled: true,
});
});
pallet::ClapsInSession::<Runtime>::mutate(&curr_session_index, |claps| {
claps
.entry(2 as AuthIndex)
.and_modify(|individual| (*individual).disabled = true)
.or_insert(SessionAuthorityInfo {
claps: 0u32,
disabled: true,
});
});
assert_ok!(SlowClap::self_applause(
RuntimeOrigin::signed(receiver),
network_id,
session_index,
transaction_hash,
receiver,
amount,
));
assert_eq!(
pallet::ApplausesForTransaction::<Runtime>::get(&storage_key),
true
);
assert_eq!(Balances::balance(&receiver), amount);
});
}
#[test]
fn should_self_applause_if_enough_claps() {
let zero = 0u64;
let (network_id, transaction_hash, unique_transaction_hash) =
generate_unique_hash(None, None, None, None);
let (_, receiver, amount) = get_mocked_metadata();
new_test_ext().execute_with(|| {
let _ = prepare_evm_network(Some(network_id), Some(0));
let session_index = advance_session_and_get_index();
let storage_key = (session_index, transaction_hash, unique_transaction_hash);
assert_err!(
SlowClap::self_applause(
RuntimeOrigin::signed(receiver),
network_id,
session_index,
transaction_hash,
receiver,
amount,
),
Error::<Runtime>::NotEnoughClaps,
);
assert_eq!(
pallet::ApplausesForTransaction::<Runtime>::get(&storage_key),
false
);
assert_eq!(Balances::balance(&receiver), zero);
assert_ok!(do_clap_from(session_index, network_id, 0, false));
advance_session();
let mut fake_received_clap =
BoundedBTreeSet::<AuthIndex, <Runtime as pallet::Config>::MaxAuthorities>::new();
assert_eq!(fake_received_clap.try_insert(1).unwrap(), true);
assert_eq!(fake_received_clap.try_insert(2).unwrap(), true);
pallet::ReceivedClaps::<Runtime>::insert(&storage_key, fake_received_clap);
assert_ok!(SlowClap::self_applause(
RuntimeOrigin::signed(receiver),
network_id,
session_index,
transaction_hash,
receiver,
amount,
));
assert_eq!(
pallet::ApplausesForTransaction::<Runtime>::get(&storage_key),
true
);
assert_eq!(Balances::balance(&receiver), amount);
});
}
#[test]
fn should_avoid_session_overlap_on_mended_session_index() {
let (network_id, transaction_hash, unique_transaction_hash) =
@ -1229,6 +1132,49 @@ fn should_emit_black_swan_if_not_enough_authorities_left() {
});
}
#[test]
fn should_register_block_commitments() {
let (network_id, _, _) = generate_unique_hash(None, None, None, None);
new_test_ext().execute_with(|| {
let session_index = advance_session_and_get_index();
for commitment_details in SlowClap::block_commitments(network_id).values() {
assert_eq!(commitment_details.last_registered_block, 0);
assert_eq!(commitment_details.last_seen_block, 0);
assert_eq!(commitment_details.last_updated, 0);
}
assert_ok!(do_block_commitment(session_index, network_id, 0));
assert_ok!(do_block_commitment(session_index, network_id, 1));
assert_ok!(do_block_commitment(session_index, network_id, 2));
assert_err!(
do_block_commitment(session_index, network_id, 3),
DispatchError::Other("Invalid signing address"),
);
assert_err!(
do_block_commitment(session_index, network_id, 1),
Error::<Runtime>::TimeWentBackwards,
);
for commitment_details in SlowClap::block_commitments(network_id).values() {
assert_eq!(commitment_details.last_registered_block, 69);
assert_eq!(commitment_details.last_seen_block, 420);
assert_eq!(commitment_details.last_updated, 1337);
}
advance_session();
for commitment_details in SlowClap::block_commitments(network_id).values() {
assert_eq!(commitment_details.last_registered_block, 0);
assert_eq!(commitment_details.last_seen_block, 0);
assert_eq!(commitment_details.last_updated, 0);
}
});
}
fn advance_session_and_get_index() -> u32 {
advance_session();
assert_eq!(Session::validators(), Vec::<u64>::new());

95
pallets/slow-clap/src/weights.rs
View File

@ -48,70 +48,7 @@ use core::marker::PhantomData;
pub trait WeightInfo {
fn slow_clap() -> Weight;
fn self_applause()-> Weight;
}
/// Weight functions for `ghost_slow_clap`.
pub struct SubstrateWeight<T>(PhantomData<T>);
impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
/// Storage: `GhostSlowClaps::Authorities` (r:1 w:0)
/// Proof: `GhostSlowClaps::Authorities` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostSlowClaps::ReceivedClaps` (r:1 w:1)
/// Proof: `GhostSlowClaps::ReceivedClaps` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostSlowClaps::ClapsInSession` (r:1 w:1)
/// Proof: `GhostSlowClaps::ClapsInSession` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostSlowClaps::ApplausesForTransaction` (r:1 w:1)
/// Proof: `GhostSlowClaps::ApplausesForTransaction` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::NullifyNeeded` (r:1 w:0)
/// Proof: `GhostNetworks::NullifyNeeded` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::Networks` (r:1 w:0)
/// Proof: `GhostNetworks::Networks` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::GatekeeperAmount` (r:1 w:1)
/// Proof: `GhostNetworks::GatekeeperAmount` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::BridgedImbalance` (r:1 w:1)
/// Proof: `GhostNetworks::BridgedImbalance` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::AccumulatedCommission` (r:1 w:1)
/// Proof: `GhostNetworks::AccumulatedCommission` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
/// Storage: `System::Account` (r:1 w:1)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
fn slow_clap() -> Weight {
// Proof Size summary in bytes:
// Measured: `355`
// Estimated: `3820`
// Minimum execution time: 213_817_000 picoseconds.
Weight::from_parts(216_977_000, 0)
.saturating_add(Weight::from_parts(0, 3820))
.saturating_add(T::DbWeight::get().reads(10))
.saturating_add(T::DbWeight::get().writes(7))
}
/// Storage: `GhostSlowClaps::ReceivedClaps` (r:1 w:0)
/// Proof: `GhostSlowClaps::ReceivedClaps` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostSlowClaps::Authorities` (r:1 w:0)
/// Proof: `GhostSlowClaps::Authorities` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostSlowClaps::ApplausesForTransaction` (r:1 w:1)
/// Proof: `GhostSlowClaps::ApplausesForTransaction` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::NullifyNeeded` (r:1 w:0)
/// Proof: `GhostNetworks::NullifyNeeded` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::Networks` (r:1 w:0)
/// Proof: `GhostNetworks::Networks` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::GatekeeperAmount` (r:1 w:1)
/// Proof: `GhostNetworks::GatekeeperAmount` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::BridgedImbalance` (r:1 w:1)
/// Proof: `GhostNetworks::BridgedImbalance` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::AccumulatedCommission` (r:1 w:1)
/// Proof: `GhostNetworks::AccumulatedCommission` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
/// Storage: `System::Account` (r:1 w:1)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
fn self_applause() -> Weight {
// Proof Size summary in bytes:
// Measured: `655`
// Estimated: `4120`
// Minimum execution time: 210_676_000 picoseconds.
Weight::from_parts(212_905_000, 0)
.saturating_add(Weight::from_parts(0, 4120))
.saturating_add(T::DbWeight::get().reads(9))
.saturating_add(T::DbWeight::get().writes(5))
}
fn commit_block()-> Weight;
}
impl WeightInfo for () {
@ -145,32 +82,8 @@ impl WeightInfo for () {
.saturating_add(RocksDbWeight::get().reads(10))
.saturating_add(RocksDbWeight::get().writes(7))
}
/// Storage: `GhostSlowClaps::ReceivedClaps` (r:1 w:0)
/// Proof: `GhostSlowClaps::ReceivedClaps` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostSlowClaps::Authorities` (r:1 w:0)
/// Proof: `GhostSlowClaps::Authorities` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostSlowClaps::ApplausesForTransaction` (r:1 w:1)
/// Proof: `GhostSlowClaps::ApplausesForTransaction` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::NullifyNeeded` (r:1 w:0)
/// Proof: `GhostNetworks::NullifyNeeded` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::Networks` (r:1 w:0)
/// Proof: `GhostNetworks::Networks` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::GatekeeperAmount` (r:1 w:1)
/// Proof: `GhostNetworks::GatekeeperAmount` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::BridgedImbalance` (r:1 w:1)
/// Proof: `GhostNetworks::BridgedImbalance` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
/// Storage: `GhostNetworks::AccumulatedCommission` (r:1 w:1)
/// Proof: `GhostNetworks::AccumulatedCommission` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
/// Storage: `System::Account` (r:1 w:1)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
fn self_applause() -> Weight {
// Proof Size summary in bytes:
// Measured: `655`
// Estimated: `4120`
// Minimum execution time: 210_676_000 picoseconds.
Weight::from_parts(212_905_000, 0)
.saturating_add(Weight::from_parts(0, 4120))
.saturating_add(RocksDbWeight::get().reads(9))
.saturating_add(RocksDbWeight::get().writes(5))
fn commit_block()-> Weight {
Default::default()
}
}