Remove support for encoded-call messaging from relay and runtime integration code (#1376)

* remove support for encoded-call messaging

* continue cleanup

* continue cleanup

* continue cleanup

* more cleanpup

* more cleanup

* fmt

* continue cleanup

* spellcheck

* rename

* fix benchmarks

* mention encoded-calls-messaging tag

* fixing deployments

* fix messages generation

* fmt

bridges/bin/millau/runtime/Cargo.toml

@@ -17,17 +17,14 @@ serde = { version = "1.0", optional = true, features = ["derive"] }
 # Bridge dependencies
 
 bp-header-chain = { path = "../../../primitives/header-chain", default-features = false }
-bp-message-dispatch = { path = "../../../primitives/message-dispatch", default-features = false }
 bp-messages = { path = "../../../primitives/messages", default-features = false }
 bp-millau = { path = "../../../primitives/chain-millau", default-features = false }
 bp-rialto = { path = "../../../primitives/chain-rialto", default-features = false }
 bp-runtime = { path = "../../../primitives/runtime", default-features = false }
 bp-westend = { path = "../../../primitives/chain-westend", default-features = false }
 bridge-runtime-common = { path = "../../runtime-common", default-features = false }
-pallet-bridge-dispatch = { path = "../../../modules/dispatch", default-features = false }
 pallet-bridge-grandpa = { path = "../../../modules/grandpa", default-features = false }
 pallet-bridge-messages = { path = "../../../modules/messages", default-features = false }
-pallet-bridge-token-swap = { path = "../../../modules/token-swap", default-features = false }
 pallet-shift-session-manager = { path = "../../../modules/shift-session-manager", default-features = false }
 
 # Substrate Dependencies
@@ -77,7 +74,6 @@ default = ["std"]
 std = [
 	"beefy-primitives/std",
 	"bp-header-chain/std",
-	"bp-message-dispatch/std",
 	"bp-messages/std",
 	"bp-millau/std",
 	"bp-rialto/std",
@@ -93,10 +89,8 @@ std = [
 	"pallet-balances/std",
 	"pallet-beefy/std",
 	"pallet-beefy-mmr/std",
-	"pallet-bridge-dispatch/std",
 	"pallet-bridge-grandpa/std",
 	"pallet-bridge-messages/std",
-	"pallet-bridge-token-swap/std",
 	"pallet-grandpa/std",
 	"pallet-mmr/std",
 	"pallet-randomness-collective-flip/std",
@@ -129,6 +123,5 @@ runtime-benchmarks = [
 	"frame-system/runtime-benchmarks",
 	"libsecp256k1",
 	"pallet-bridge-messages/runtime-benchmarks",
-	"pallet-bridge-token-swap/runtime-benchmarks",
 	"sp-runtime/runtime-benchmarks",
 ]

bridges/bin/millau/runtime/src/lib.rs

@@ -50,7 +50,7 @@ use sp_runtime::{
 	create_runtime_str, generic, impl_opaque_keys,
 	traits::{Block as BlockT, IdentityLookup, Keccak256, NumberFor, OpaqueKeys},
 	transaction_validity::{TransactionSource, TransactionValidity},
-	ApplyExtrinsicResult, FixedPointNumber, FixedU128, MultiSignature, MultiSigner, Perquintill,
+	ApplyExtrinsicResult, FixedPointNumber, FixedU128, Perquintill,
 };
 use sp_std::prelude::*;
 #[cfg(feature = "std")]
@@ -225,18 +225,6 @@ impl pallet_beefy::Config for Runtime {
 	type BeefyId = BeefyId;
 }
 
-impl pallet_bridge_dispatch::Config for Runtime {
-	type Event = Event;
-	type BridgeMessageId = (bp_messages::LaneId, bp_messages::MessageNonce);
-	type Call = Call;
-	type CallFilter = frame_support::traits::Everything;
-	type EncodedCall = crate::rialto_messages::FromRialtoEncodedCall;
-	type SourceChainAccountId = bp_rialto::AccountId;
-	type TargetChainAccountPublic = MultiSigner;
-	type TargetChainSignature = MultiSignature;
-	type AccountIdConverter = bp_millau::AccountIdConverter;
-}
-
 impl pallet_grandpa::Config for Runtime {
 	type Event = Event;
 	type Call = Call;
@@ -471,38 +459,13 @@ impl pallet_bridge_messages::Config<WithRialtoMessagesInstance> for Runtime {
 			GetDeliveryConfirmationTransactionFee,
 		>;
 	type OnMessageAccepted = ();
-	type OnDeliveryConfirmed =
-		pallet_bridge_token_swap::Pallet<Runtime, WithRialtoTokenSwapInstance>;
+	type OnDeliveryConfirmed = ();
 
 	type SourceHeaderChain = crate::rialto_messages::Rialto;
 	type MessageDispatch = crate::rialto_messages::FromRialtoMessageDispatch;
 	type BridgedChainId = RialtoChainId;
 }
 
-parameter_types! {
-	pub const TokenSwapMessagesLane: bp_messages::LaneId = *b"swap";
-}
-
-/// Instance of the with-Rialto token swap pallet.
-pub type WithRialtoTokenSwapInstance = ();
-
-impl pallet_bridge_token_swap::Config<WithRialtoTokenSwapInstance> for Runtime {
-	type Event = Event;
-	type WeightInfo = ();
-
-	type BridgedChainId = RialtoChainId;
-	type OutboundMessageLaneId = TokenSwapMessagesLane;
-	#[cfg(not(feature = "runtime-benchmarks"))]
-	type MessagesBridge = pallet_bridge_messages::Pallet<Runtime, WithRialtoMessagesInstance>;
-	#[cfg(feature = "runtime-benchmarks")]
-	type MessagesBridge = bp_messages::source_chain::NoopMessagesBridge;
-	type ThisCurrency = pallet_balances::Pallet<Runtime>;
-	type FromSwapToThisAccountIdConverter = bp_rialto::AccountIdConverter;
-
-	type BridgedChain = bp_rialto::Rialto;
-	type FromBridgedToThisAccountIdConverter = bp_millau::AccountIdConverter;
-}
-
 construct_runtime!(
 	pub enum Runtime where
 		Block = Block,
@@ -532,9 +495,7 @@ construct_runtime!(
 
 		// Rialto bridge modules.
 		BridgeRialtoGrandpa: pallet_bridge_grandpa::{Pallet, Call, Storage},
-		BridgeDispatch: pallet_bridge_dispatch::{Pallet, Event<T>},
 		BridgeRialtoMessages: pallet_bridge_messages::{Pallet, Call, Storage, Event<T>, Config<T>},
-		BridgeRialtoTokenSwap: pallet_bridge_token_swap::{Pallet, Call, Storage, Event<T>, Origin<T>},
 
 		// Westend bridge modules.
 		BridgeWestendGrandpa: pallet_bridge_grandpa::<Instance1>::{Pallet, Call, Config<T>, Storage},
@@ -806,7 +767,6 @@ impl_runtime_apis! {
 
 			let mut list = Vec::<BenchmarkList>::new();
 
-			list_benchmark!(list, extra, pallet_bridge_token_swap, BridgeRialtoTokenSwap);
 			list_benchmark!(list, extra, pallet_bridge_messages, MessagesBench::<Runtime, WithRialtoMessagesInstance>);
 			list_benchmark!(list, extra, pallet_bridge_grandpa, BridgeRialtoGrandpa);
 
@@ -878,8 +838,6 @@ impl_runtime_apis! {
 				) -> (rialto_messages::FromRialtoMessagesProof, Weight) {
 					prepare_message_proof::<Runtime, (), (), WithRialtoMessageBridge, bp_rialto::Header, bp_rialto::Hasher>(
 						params,
-						&VERSION,
-						Balance::MAX / 100,
 					)
 				}
 
@@ -891,33 +849,11 @@ impl_runtime_apis! {
 					)
 				}
 
-				fn is_message_dispatched(nonce: bp_messages::MessageNonce) -> bool {
-					frame_system::Pallet::<Runtime>::events()
-						.into_iter()
-						.map(|event_record| event_record.event)
-						.any(|event| matches!(
-							event,
-							Event::BridgeDispatch(pallet_bridge_dispatch::Event::<Runtime, _>::MessageDispatched(
-								_, ([0, 0, 0, 0], nonce_from_event), _,
-							)) if nonce_from_event == nonce
-						))
+				fn is_message_dispatched(_nonce: bp_messages::MessageNonce) -> bool {
+					true
 				}
 			}
 
-			use pallet_bridge_token_swap::benchmarking::Config as TokenSwapConfig;
-
-			impl TokenSwapConfig<WithRialtoTokenSwapInstance> for Runtime {
-				fn initialize_environment() {
-					let relayers_fund_account = pallet_bridge_messages::relayer_fund_account_id::<
-						bp_millau::AccountId,
-						bp_millau::AccountIdConverter,
-					>();
-					pallet_balances::Pallet::<Runtime>::make_free_balance_be(
-						&relayers_fund_account,
-						Balance::MAX / 100,
-					);
-				}
-			}
 
 			add_benchmark!(
 				params,
@@ -926,37 +862,12 @@ impl_runtime_apis! {
 				MessagesBench::<Runtime, WithRialtoMessagesInstance>
 			);
 			add_benchmark!(params, batches, pallet_bridge_grandpa, BridgeRialtoGrandpa);
-			add_benchmark!(params, batches, pallet_bridge_token_swap, BridgeRialtoTokenSwap);
 
 			Ok(batches)
 		}
 	}
 }
 
-/// Rialto account ownership digest from Millau.
-///
-/// The byte vector returned by this function should be signed with a Rialto account private key.
-/// This way, the owner of `millau_account_id` on Millau proves that the Rialto account private key
-/// is also under his control.
-pub fn millau_to_rialto_account_ownership_digest<Call, AccountId, SpecVersion>(
-	rialto_call: &Call,
-	millau_account_id: AccountId,
-	rialto_spec_version: SpecVersion,
-) -> sp_std::vec::Vec<u8>
-where
-	Call: codec::Encode,
-	AccountId: codec::Encode,
-	SpecVersion: codec::Encode,
-{
-	pallet_bridge_dispatch::account_ownership_digest(
-		rialto_call,
-		millau_account_id,
-		rialto_spec_version,
-		bp_runtime::MILLAU_CHAIN_ID,
-		bp_runtime::RIALTO_CHAIN_ID,
-	)
-}
-
 #[cfg(test)]
 mod tests {
 	use super::*;

bridges/bin/millau/runtime/src/rialto_messages.rs

@@ -33,7 +33,7 @@ use frame_support::{
 };
 use scale_info::TypeInfo;
 use sp_runtime::{traits::Saturating, FixedPointNumber, FixedU128};
-use sp_std::{convert::TryFrom, ops::RangeInclusive};
+use sp_std::convert::TryFrom;
 
 /// Initial value of `RialtoToMillauConversionRate` parameter.
 pub const INITIAL_RIALTO_TO_MILLAU_CONVERSION_RATE: FixedU128 =
@@ -49,19 +49,14 @@ parameter_types! {
 }
 
 /// Message payload for Millau -> Rialto messages.
-pub type ToRialtoMessagePayload =
-	messages::source::FromThisChainMessagePayload<WithRialtoMessageBridge>;
+pub type ToRialtoMessagePayload = messages::source::FromThisChainMessagePayload;
 
 /// Message verifier for Millau -> Rialto messages.
 pub type ToRialtoMessageVerifier =
 	messages::source::FromThisChainMessageVerifier<WithRialtoMessageBridge>;
 
 /// Message payload for Rialto -> Millau messages.
-pub type FromRialtoMessagePayload =
-	messages::target::FromBridgedChainMessagePayload<WithRialtoMessageBridge>;
-
-/// Encoded Millau Call as it comes from Rialto.
-pub type FromRialtoEncodedCall = messages::target::FromBridgedChainEncodedMessageCall<crate::Call>;
+pub type FromRialtoMessagePayload = messages::target::FromBridgedChainMessagePayload;
 
 /// Messages proof for Rialto -> Millau messages.
 pub type FromRialtoMessagesProof = messages::target::FromBridgedChainMessagesProof<bp_rialto::Hash>;
@@ -120,19 +115,7 @@ impl messages::ThisChainWithMessages for Millau {
 	type Call = crate::Call;
 
 	fn is_message_accepted(send_origin: &Self::Origin, lane: &LaneId) -> bool {
-		// lanes 0x00000000 && 0x00000001 are accepting any paid messages, while
-		// `TokenSwapMessageLane` only accepts messages from token swap pallet
-		let token_swap_dedicated_lane = crate::TokenSwapMessagesLane::get();
-		match *lane {
-			[0, 0, 0, 0] | [0, 0, 0, 1] => send_origin.linked_account().is_some(),
-			_ if *lane == token_swap_dedicated_lane => matches!(
-				send_origin.caller,
-				crate::OriginCaller::BridgeRialtoTokenSwap(
-					pallet_bridge_token_swap::RawOrigin::TokenSwap { .. }
-				)
-			),
-			_ => false,
-		}
+		(*lane == [0, 0, 0, 0] || *lane == [0, 0, 0, 1]) && send_origin.linked_account().is_some()
 	}
 
 	fn maximal_pending_messages_at_outbound_lane() -> MessageNonce {
@@ -189,19 +172,8 @@ impl messages::BridgedChainWithMessages for Rialto {
 		bp_rialto::Rialto::max_extrinsic_size()
 	}
 
-	fn message_weight_limits(_message_payload: &[u8]) -> RangeInclusive<Weight> {
-		// we don't want to relay too large messages + keep reserve for future upgrades
-		let upper_limit = messages::target::maximal_incoming_message_dispatch_weight(
-			bp_rialto::Rialto::max_extrinsic_weight(),
-		);
-
-		// we're charging for payload bytes in `WithRialtoMessageBridge::transaction_payment`
-		// function
-		//
-		// this bridge may be used to deliver all kind of messages, so we're not making any
-		// assumptions about minimal dispatch weight here
-
-		0..=upper_limit
+	fn verify_dispatch_weight(_message_payload: &[u8]) -> bool {
+		true
 	}
 
 	fn estimate_delivery_transaction(
@@ -296,12 +268,6 @@ impl SenderOrigin<crate::AccountId> for crate::Origin {
 			crate::OriginCaller::system(frame_system::RawOrigin::Root) |
 			crate::OriginCaller::system(frame_system::RawOrigin::None) =>
 				crate::RootAccountForPayments::get(),
-			crate::OriginCaller::BridgeRialtoTokenSwap(
-				pallet_bridge_token_swap::RawOrigin::TokenSwap {
-					ref swap_account_at_this_chain,
-					..
-				},
-			) => Some(swap_account_at_this_chain.clone()),
 			_ => None,
 		}
 	}