Add AH-next runtime - the post-migration Asset Hub runtime (WIP)

Cargo.toml

@@ -86,6 +86,7 @@ members = [
 	"cumulus/pallets/xcm",
 	"cumulus/pallets/xcmp-queue",
 	"cumulus/parachains/common",
+	"cumulus/parachains/integration-tests/emulated/chains/parachains/assets/asset-hub-next-westend",
 	"cumulus/parachains/integration-tests/emulated/chains/parachains/assets/asset-hub-rococo",
 	"cumulus/parachains/integration-tests/emulated/chains/parachains/assets/asset-hub-westend",
 	"cumulus/parachains/integration-tests/emulated/chains/parachains/bridges/bridge-hub-rococo",
@@ -102,6 +103,7 @@ members = [
 	"cumulus/parachains/integration-tests/emulated/networks/rococo-system",
 	"cumulus/parachains/integration-tests/emulated/networks/rococo-westend-system",
 	"cumulus/parachains/integration-tests/emulated/networks/westend-system",
+	"cumulus/parachains/integration-tests/emulated/tests/assets/asset-hub-next-westend",
 	"cumulus/parachains/integration-tests/emulated/tests/assets/asset-hub-rococo",
 	"cumulus/parachains/integration-tests/emulated/tests/assets/asset-hub-westend",
 	"cumulus/parachains/integration-tests/emulated/tests/bridges/bridge-hub-rococo",
@@ -114,6 +116,7 @@ members = [
 	"cumulus/parachains/pallets/collective-content",
 	"cumulus/parachains/pallets/parachain-info",
 	"cumulus/parachains/pallets/ping",
+	"cumulus/parachains/runtimes/assets/asset-hub-next-westend",
 	"cumulus/parachains/runtimes/assets/asset-hub-rococo",
 	"cumulus/parachains/runtimes/assets/asset-hub-westend",
 	"cumulus/parachains/runtimes/assets/common",
@@ -609,6 +612,8 @@ arrayvec = { version = "0.7.4" }
 assert_cmd = { version = "2.0.14" }
 assert_matches = { version = "1.5.0" }
 asset-hub-rococo-emulated-chain = { path = "cumulus/parachains/integration-tests/emulated/chains/parachains/assets/asset-hub-rococo" }
+asset-hub-next-westend-emulated-chain = { path = "cumulus/parachains/integration-tests/emulated/chains/parachains/assets/asset-hub-next-westend" }
+asset-hub-next-westend-runtime = { path = "cumulus/parachains/runtimes/assets/asset-hub-next-westend" }
 asset-hub-rococo-runtime = { path = "cumulus/parachains/runtimes/assets/asset-hub-rococo", default-features = false }
 asset-hub-westend-emulated-chain = { path = "cumulus/parachains/integration-tests/emulated/chains/parachains/assets/asset-hub-westend" }
 asset-hub-westend-runtime = { path = "cumulus/parachains/runtimes/assets/asset-hub-westend" }
@@ -632,6 +637,7 @@ bounded-collections = { version = "0.2.0", default-features = false }
 bounded-vec = { version = "0.7" }
 bp-asset-hub-rococo = { path = "bridges/chains/chain-asset-hub-rococo", default-features = false }
 bp-asset-hub-westend = { path = "bridges/chains/chain-asset-hub-westend", default-features = false }
+bp-asset-hub-next-westend = { path = "bridges/chains/chain-asset-hub-next-westend", default-features = false }
 bp-beefy = { path = "bridges/primitives/beefy", default-features = false }
 bp-bridge-hub-cumulus = { path = "bridges/chains/chain-bridge-hub-cumulus", default-features = false }
 bp-bridge-hub-kusama = { default-features = false, path = "bridges/chains/chain-bridge-hub-kusama" }

bridges/chains/chain-asset-hub-next-westend/Cargo.toml

@@ -0,0 +1,33 @@
+[package]
+name = "bp-asset-hub-next-westend"
+description = "Primitives of AssetHubNextWestend parachain runtime."
+version = "0.3.0"
+authors.workspace = true
+edition.workspace = true
+license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
+repository.workspace = true
+
+[package.metadata.polkadot-sdk]
+exclude-from-umbrella = true
+
+[lints]
+workspace = true
+
+[dependencies]
+codec = { workspace = true }
+scale-info = { features = ["derive"], workspace = true }
+
+# Substrate Dependencies
+frame-support = { workspace = true }
+
+# Bridge Dependencies
+bp-xcm-bridge-hub-router = { workspace = true }
+
+[features]
+default = ["std"]
+std = [
+	"bp-xcm-bridge-hub-router/std",
+	"codec/std",
+	"frame-support/std",
+	"scale-info/std",
+]

bridges/chains/chain-asset-hub-next-westend/src/lib.rs

@@ -0,0 +1,48 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Parity Bridges Common.
+
+// Parity Bridges Common is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity Bridges Common is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity Bridges Common.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Module with configuration which reflects AssetHubNextWestend runtime setup.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use codec::{Decode, Encode};
+use scale_info::TypeInfo;
+
+pub use bp_xcm_bridge_hub_router::XcmBridgeHubRouterCall;
+
+/// `AssetHubNextWestend` Runtime `Call` enum.
+///
+/// The enum represents a subset of possible `Call`s we can send to `AssetHubNextWestend` chain.
+/// Ideally this code would be auto-generated from metadata, because we want to
+/// avoid depending directly on the ENTIRE runtime just to get the encoding of `Dispatchable`s.
+///
+/// All entries here (like pretty much in the entire file) must be kept in sync with
+/// `AssetHubNextWestend` `construct_runtime`, so that we maintain SCALE-compatibility.
+#[allow(clippy::large_enum_variant)]
+#[derive(Encode, Decode, Debug, PartialEq, Eq, Clone, TypeInfo)]
+pub enum Call {
+	/// `ToRococoXcmRouter` bridge pallet.
+	#[codec(index = 34)]
+	ToRococoXcmRouter(XcmBridgeHubRouterCall),
+}
+
+frame_support::parameter_types! {
+	/// Some sane weight to execute `xcm::Transact(pallet-xcm-bridge-hub-router::Call::report_bridge_status)`.
+	pub const XcmBridgeHubRouterTransactCallMaxWeight: frame_support::weights::Weight = frame_support::weights::Weight::from_parts(200_000_000, 6144);
+}
+
+/// Identifier of AssetHubNextWestend in the Westend relay chain.
+pub const ASSET_HUB_NEXT_WESTEND_PARACHAIN_ID: u32 = 1100;

cumulus/parachains/integration-tests/emulated/chains/parachains/assets/asset-hub-next-westend/Cargo.toml

@@ -0,0 +1,32 @@
+[package]
+name = "asset-hub-next-westend-emulated-chain"
+version = "0.0.0"
+authors.workspace = true
+edition.workspace = true
+license = "Apache-2.0"
+description = "Asset Hub Next Westend emulated chain"
+publish = false
+
+[lints]
+workspace = true
+
+[dependencies]
+
+# Substrate
+sp-core = { workspace = true }
+sp-keyring = { workspace = true }
+frame-support = { workspace = true }
+
+# Cumulus
+parachains-common = { workspace = true, default-features = true }
+cumulus-primitives-core = { workspace = true }
+emulated-integration-tests-common = { workspace = true }
+asset-hub-next-westend-runtime = { workspace = true }
+westend-emulated-chain = { workspace = true, default-features = true }
+testnet-parachains-constants = { features = ["westend"], workspace = true, default-features = true }
+
+# Polkadot
+xcm = { workspace = true }
+
+# Bridges
+bp-bridge-hub-westend = { workspace = true }