Update Polkadot-SDK

Cargo.toml

@@ -95,6 +95,7 @@ members = [
 	"cumulus/parachains/runtimes/bridge-hubs/bridge-hub-polkadot",
 	"cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo",
 	"cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend",
+	"cumulus/parachains/runtimes/bridge-hubs/common",
 	"cumulus/parachains/runtimes/bridge-hubs/test-utils",
 	"cumulus/parachains/runtimes/collectives/collectives-polkadot",
 	"cumulus/parachains/runtimes/contracts/contracts-rococo",

cumulus/parachain-template/node/src/chain_spec.rs

 //! The PenPal runtime's primary use is for testing interactions between System parachains and 
 //! The PenPal runtime's primary use is for testing interactions between System parachains and 
@@ -73,7 +73,7 @@ pub fn development_config() -> ChainSpec {
 		Extensions {
 			relay_chain: "rococo-local".into(),
 			// You MUST set this to the correct network!
-			para_id: 1000,
+			para_id: 1001,
 		},
 	)
 	.with_name("Development")
@@ -106,7 +106,7 @@ pub fn development_config() -> ChainSpec {
 			get_account_id_from_seed::<sr25519::Public>("Ferdie//stash"),
 		],
 		get_account_id_from_seed::<sr25519::Public>("Alice"),
-		1000.into(),
+		1001.into(),
 	))
 	.build()
 }
@@ -125,7 +125,7 @@ pub fn local_testnet_config() -> ChainSpec {
 		Extensions {
 			relay_chain: "rococo-local".into(),
 			// You MUST set this to the correct network!
-			para_id: 1000,
+			para_id: 1001,
 		},
 	)
 	.with_name("Local Testnet")

cumulus/parachain-template/pallets/template/Cargo.toml

@@ -19,6 +19,10 @@ scale-info = { version = "2.10.0", default-features = false, features = ["derive
 frame-benchmarking = { path = "../../../../substrate/frame/benchmarking", default-features = false, optional = true}
 frame-support = { path = "../../../../substrate/frame/support", default-features = false}
 frame-system = { path = "../../../../substrate/frame/system", default-features = false}
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false}
+
+pallet-xcm = { path = "../../../../polkadot/xcm/pallet-xcm", default-features = false}
+xcm = { package = "staging-xcm", path = "../../../../polkadot/xcm", default-features = false}
 
 [dev-dependencies]
 serde = { version = "1.0.188" }
@@ -45,6 +49,9 @@ std = [
 	"sp-core/std",
 	"sp-io/std",
 	"sp-runtime/std",
+	"sp-std/std",
+	"pallet-xcm/std",
+	"xcm/std",
 ]
 try-runtime = [
 	"frame-support/try-runtime",

cumulus/parachain-template/pallets/template/src/lib.rs

@@ -18,10 +18,12 @@ mod benchmarking;
 pub mod pallet {
 	use frame_support::{dispatch::DispatchResultWithPostInfo, pallet_prelude::*};
 	use frame_system::pallet_prelude::*;
+	use sp_std::boxed::Box;
+	use xcm::{v3::prelude::*, VersionedMultiLocation, VersionedXcm};
 
 	/// Configure the pallet by specifying the parameters and types on which it depends.
 	#[pallet::config]
-	pub trait Config: frame_system::Config {
+	pub trait Config: frame_system::Config + pallet_xcm::Config {
 		/// Because this pallet emits events, it depends on the runtime's definition of an event.
 		type RuntimeEvent: From<Event<Self>> + IsType<<Self as frame_system::Config>::RuntimeEvent>;
 	}
@@ -45,6 +47,8 @@ pub mod pallet {
 		/// Event documentation should end with an array that provides descriptive names for event
 		/// parameters. [something, who]
 		SomethingStored(u32, T::AccountId),
+		/// XCM message sent. \[to, message\]
+		Sent { from: T::AccountId, to: MultiLocation, message: Xcm<()> },
 	}
 
 	// Errors inform users that something went wrong.
@@ -54,6 +58,15 @@ pub mod pallet {
 		NoneValue,
 		/// Errors should have helpful documentation associated with them.
 		StorageOverflow,
+		/// The message and destination combination was not recognized as being
+		/// reachable.
+		Unreachable,
+		/// The message and destination was recognized as being reachable but
+		/// the operation could not be completed.
+		SendFailure,
+		/// The version of the `Versioned` value used is not able to be
+		/// interpreted.
+		BadVersion,
 	}
 
 	#[pallet::hooks]
@@ -102,5 +115,27 @@ pub mod pallet {
 				},
 			}
 		}
+
+		/// Send an XCM message as parachain sovereign.
+		#[pallet::call_index(2)]
+		#[pallet::weight(Weight::from_parts(100_000_000, 0))]
+		pub fn send_xcm(
+			origin: OriginFor<T>,
+			dest: Box<VersionedMultiLocation>,
+			message: Box<VersionedXcm<()>>,
+		) -> DispatchResult {
+			let who = ensure_signed(origin)?;
+			let dest = MultiLocation::try_from(*dest).map_err(|()| Error::<T>::BadVersion)?;
+			let message: Xcm<()> = (*message).try_into().map_err(|()| Error::<T>::BadVersion)?;
+
+			pallet_xcm::Pallet::<T>::send_xcm(Here, dest, message.clone()).map_err(
+				|e| match e {
+					SendError::Unroutable => Error::<T>::Unreachable,
+					_ => Error::<T>::SendFailure,
+				},
+			)?;
+			Self::deposit_event(Event::Sent { from: who, to: dest, message });
+			Ok(())
+		}
 	}
 }

cumulus/parachains/common/src/lib.rs

@@ -20,6 +20,7 @@ pub mod kusama;
 pub mod message_queue;
 pub mod polkadot;
 pub mod rococo;
+pub mod snowbridge_config;
 pub mod westend;
 pub mod wococo;
 pub mod xcm_config;

cumulus/parachains/common/src/snowbridge_config.rs

@@ -0,0 +1,9 @@
+frame_support::parameter_types! {
+	/// User fee for ERC20 token transfer back to Ethereum.
+	/// (initially was calculated by test `OutboundQueue::calculate_fees` - ETH/ROC 1/400 and fee_per_gas 20 GWEI = 2200698000000 + *25%)
+	/// Needs to be more than fee calculated from DefaultFeeConfig FeeConfigRecord in snowbridge:parachain/pallets/outbound-queue/src/lib.rs
+	/// Polkadot uses 12 decimals, Kusama and Rococo 10 decimals.
+	pub const BridgeHubEthereumBaseFeeInDOT: u128 = 27_508_725_000;
+	pub const BridgeHubEthereumBaseFeeInKSM: u128 = 2_750_872_500_000;
+	pub const BridgeHubEthereumBaseFeeInRocs: u128 = 2_750_872_500_000;
+}

cumulus/parachains/integration-tests/emulated/tests/bridges/bridge-hub-rococo/src/tests/mod.rs

@@ -14,4 +14,5 @@
 // limitations under the License.
 
 mod example;
+mod snowbridge;
 mod teleport;