Update bridges subtree (#1803)

Author: svyatonik

bridges/bin/runtime-common/src/messages_call_ext.rs

@@ -18,6 +18,7 @@ use crate::messages::{
 	source::FromBridgedChainMessagesDeliveryProof, target::FromBridgedChainMessagesProof,
 };
 use bp_messages::{target_chain::MessageDispatch, InboundLaneData, LaneId, MessageNonce};
+use bp_runtime::OwnedBridgeModule;
 use frame_support::{
 	dispatch::CallableCallFor,
 	traits::{Get, IsSubType},
@@ -187,8 +188,22 @@ pub trait MessagesCallSubType<T: Config<I, RuntimeCall = Self>, I: 'static>:
 	/// or a `ReceiveMessagesDeliveryProof` call, if the call is for the provided lane.
 	fn call_info_for(&self, lane_id: LaneId) -> Option<CallInfo>;
 
-	/// Check that a `ReceiveMessagesProof` or a `ReceiveMessagesDeliveryProof` call is trying
-	/// to deliver/confirm at least some messages that are better than the ones we know of.
+	/// Ensures that a `ReceiveMessagesProof` or a `ReceiveMessagesDeliveryProof` call:
+	///
+	/// - does not deliver already delivered messages. We require all messages in the
+	///   `ReceiveMessagesProof` call to be undelivered;
+	///
+	/// - does not submit empty `ReceiveMessagesProof` call with zero messages, unless the lane
+	///   needs to be unblocked by providing relayer rewards proof;
+	///
+	/// - brings no new delivery confirmations in a `ReceiveMessagesDeliveryProof` call. We require
+	///   at least one new delivery confirmation in the unrewarded relayers set;
+	///
+	/// - does not violate some basic (easy verifiable) messages pallet rules obsolete (like
+	///   submitting a call when a pallet is halted or delivering messages when a dispatcher is
+	///   inactive).
+	///
+	/// If one of above rules is violated, the transaction is treated as invalid.
 	fn check_obsolete_call(&self) -> TransactionValidity;
 }
 
@@ -278,7 +293,17 @@ impl<
 	}
 
 	fn check_obsolete_call(&self) -> TransactionValidity {
+		let is_pallet_halted = Pallet::<T, I>::ensure_not_halted().is_err();
 		match self.call_info() {
+			Some(proof_info) if is_pallet_halted => {
+				log::trace!(
+					target: pallet_bridge_messages::LOG_TARGET,
+					"Rejecting messages transaction on halted pallet: {:?}",
+					proof_info
+				);
+
+				return sp_runtime::transaction_validity::InvalidTransaction::Call.into()
+			},
 			Some(CallInfo::ReceiveMessagesProof(proof_info))
 				if proof_info.is_obsolete(T::MessageDispatch::is_active()) =>
 			{

bridges/bin/runtime-common/src/refund_relayer_extension.rs

@@ -838,21 +838,23 @@ mod tests {
 		mock::*,
 	};
 	use bp_messages::{
-		DeliveredMessages, InboundLaneData, MessageNonce, OutboundLaneData, UnrewardedRelayer,
-		UnrewardedRelayersState,
+		DeliveredMessages, InboundLaneData, MessageNonce, MessagesOperatingMode, OutboundLaneData,
+		UnrewardedRelayer, UnrewardedRelayersState,
 	};
 	use bp_parachains::{BestParaHeadHash, ParaInfo};
 	use bp_polkadot_core::parachains::{ParaHeadsProof, ParaId};
-	use bp_runtime::HeaderId;
+	use bp_runtime::{BasicOperatingMode, HeaderId};
 	use bp_test_utils::{make_default_justification, test_keyring};
 	use frame_support::{
 		assert_storage_noop, parameter_types,
 		traits::{fungible::Mutate, ReservableCurrency},
 		weights::Weight,
 	};
-	use pallet_bridge_grandpa::{Call as GrandpaCall, StoredAuthoritySet};
-	use pallet_bridge_messages::Call as MessagesCall;
-	use pallet_bridge_parachains::{Call as ParachainsCall, RelayBlockHash};
+	use pallet_bridge_grandpa::{Call as GrandpaCall, Pallet as GrandpaPallet, StoredAuthoritySet};
+	use pallet_bridge_messages::{Call as MessagesCall, Pallet as MessagesPallet};
+	use pallet_bridge_parachains::{
+		Call as ParachainsCall, Pallet as ParachainsPallet, RelayBlockHash,
+	};
 	use sp_runtime::{
 		traits::{ConstU64, Header as HeaderT},
 		transaction_validity::{InvalidTransaction, ValidTransaction},
@@ -1592,6 +1594,99 @@ mod tests {
 		});
 	}
 
+	#[test]
+	fn ext_rejects_batch_with_grandpa_finality_proof_when_grandpa_pallet_is_halted() {
+		run_test(|| {
+			initialize_environment(100, 100, 100);
+
+			GrandpaPallet::<TestRuntime, ()>::set_operating_mode(
+				RuntimeOrigin::root(),
+				BasicOperatingMode::Halted,
+			)
+			.unwrap();
+
+			assert_eq!(
+				run_pre_dispatch(all_finality_and_delivery_batch_call(200, 200, 200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+			assert_eq!(
+				run_pre_dispatch(all_finality_and_confirmation_batch_call(200, 200, 200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+		});
+	}
+
+	#[test]
+	fn ext_rejects_batch_with_parachain_finality_proof_when_parachains_pallet_is_halted() {
+		run_test(|| {
+			initialize_environment(100, 100, 100);
+
+			ParachainsPallet::<TestRuntime, ()>::set_operating_mode(
+				RuntimeOrigin::root(),
+				BasicOperatingMode::Halted,
+			)
+			.unwrap();
+
+			assert_eq!(
+				run_pre_dispatch(all_finality_and_delivery_batch_call(200, 200, 200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+			assert_eq!(
+				run_pre_dispatch(all_finality_and_confirmation_batch_call(200, 200, 200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+
+			assert_eq!(
+				run_pre_dispatch(parachain_finality_and_delivery_batch_call(200, 200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+			assert_eq!(
+				run_pre_dispatch(parachain_finality_and_confirmation_batch_call(200, 200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+		});
+	}
+
+	#[test]
+	fn ext_rejects_transaction_when_messages_pallet_is_halted() {
+		run_test(|| {
+			initialize_environment(100, 100, 100);
+
+			MessagesPallet::<TestRuntime, ()>::set_operating_mode(
+				RuntimeOrigin::root(),
+				MessagesOperatingMode::Basic(BasicOperatingMode::Halted),
+			)
+			.unwrap();
+
+			assert_eq!(
+				run_pre_dispatch(all_finality_and_delivery_batch_call(200, 200, 200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+			assert_eq!(
+				run_pre_dispatch(all_finality_and_confirmation_batch_call(200, 200, 200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+
+			assert_eq!(
+				run_pre_dispatch(parachain_finality_and_delivery_batch_call(200, 200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+			assert_eq!(
+				run_pre_dispatch(parachain_finality_and_confirmation_batch_call(200, 200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+
+			assert_eq!(
+				run_pre_dispatch(message_delivery_call(200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+			assert_eq!(
+				run_pre_dispatch(message_confirmation_call(200)),
+				Err(TransactionValidityError::Invalid(InvalidTransaction::Call)),
+			);
+		});
+	}
+
 	#[test]
 	fn pre_dispatch_parses_batch_with_relay_chain_and_parachain_headers() {
 		run_test(|| {

bridges/modules/grandpa/src/call_ext.rs

@@ -16,7 +16,7 @@
 
 use crate::{weights::WeightInfo, BridgedBlockNumber, BridgedHeader, Config, Error, Pallet};
 use bp_header_chain::{justification::GrandpaJustification, ChainWithGrandpa};
-use bp_runtime::BlockNumberOf;
+use bp_runtime::{BlockNumberOf, OwnedBridgeModule};
 use codec::Encode;
 use frame_support::{dispatch::CallableCallFor, traits::IsSubType, weights::Weight};
 use sp_runtime::{
@@ -126,6 +126,10 @@ pub trait CallSubType<T: Config<I, RuntimeCall = Self>, I: 'static>:
 			_ => return Ok(ValidTransaction::default()),
 		};
 
+		if Pallet::<T, I>::ensure_not_halted().is_err() {
+			return InvalidTransaction::Call.into()
+		}
+
 		match SubmitFinalityProofHelper::<T, I>::check_obsolete(finality_target.block_number) {
 			Ok(_) => Ok(ValidTransaction::default()),
 			Err(Error::<T, I>::OldHeader) => InvalidTransaction::Stale.into(),
@@ -192,10 +196,10 @@ mod tests {
 	use crate::{
 		call_ext::CallSubType,
 		mock::{run_test, test_header, RuntimeCall, TestBridgedChain, TestNumber, TestRuntime},
-		BestFinalized, Config, WeightInfo,
+		BestFinalized, Config, PalletOperatingMode, WeightInfo,
 	};
 	use bp_header_chain::ChainWithGrandpa;
-	use bp_runtime::HeaderId;
+	use bp_runtime::{BasicOperatingMode, HeaderId};
 	use bp_test_utils::{
 		make_default_justification, make_justification_for_header, JustificationGeneratorParams,
 	};
@@ -238,6 +242,17 @@ mod tests {
 		});
 	}
 
+	#[test]
+	fn extension_rejects_new_header_if_pallet_is_halted() {
+		run_test(|| {
+			// when pallet is halted => tx is rejected
+			sync_to_header_10();
+			PalletOperatingMode::<TestRuntime, ()>::put(BasicOperatingMode::Halted);
+
+			assert!(!validate_block_submit(15));
+		});
+	}
+
 	#[test]
 	fn extension_accepts_new_header() {
 		run_test(|| {

bridges/modules/parachains/src/call_ext.rs

@@ -17,6 +17,7 @@
 use crate::{Config, Pallet, RelayBlockNumber};
 use bp_parachains::BestParaHeadHash;
 use bp_polkadot_core::parachains::{ParaHash, ParaId};
+use bp_runtime::OwnedBridgeModule;
 use frame_support::{dispatch::CallableCallFor, traits::IsSubType};
 use sp_runtime::{
 	transaction_validity::{InvalidTransaction, TransactionValidity, ValidTransaction},
@@ -141,6 +142,10 @@ pub trait CallSubType<T: Config<I, RuntimeCall = Self>, I: 'static>:
 			None => return Ok(ValidTransaction::default()),
 		};
 
+		if Pallet::<T, I>::ensure_not_halted().is_err() {
+			return InvalidTransaction::Call.into()
+		}
+
 		if SubmitParachainHeadsHelper::<T, I>::is_obsolete(&update) {
 			return InvalidTransaction::Stale.into()
 		}
@@ -160,10 +165,11 @@ where
 mod tests {
 	use crate::{
 		mock::{run_test, RuntimeCall, TestRuntime},
-		CallSubType, ParaInfo, ParasInfo, RelayBlockNumber,
+		CallSubType, PalletOperatingMode, ParaInfo, ParasInfo, RelayBlockNumber,
 	};
 	use bp_parachains::BestParaHeadHash;
 	use bp_polkadot_core::parachains::{ParaHash, ParaHeadsProof, ParaId};
+	use bp_runtime::BasicOperatingMode;
 
 	fn validate_submit_parachain_heads(
 		num: RelayBlockNumber,
@@ -221,6 +227,17 @@ mod tests {
 		});
 	}
 
+	#[test]
+	fn extension_rejects_header_if_pallet_is_halted() {
+		run_test(|| {
+			// when pallet is halted => tx is rejected
+			sync_to_relay_header_10();
+			PalletOperatingMode::<TestRuntime, ()>::put(BasicOperatingMode::Halted);
+
+			assert!(!validate_submit_parachain_heads(15, vec![(ParaId(1), [2u8; 32].into())]));
+		});
+	}
+
 	#[test]
 	fn extension_accepts_new_header() {
 		run_test(|| {