PolkaVM parachain runtimes MVP

Cargo.toml

@@ -133,6 +133,8 @@ members = [
 	"cumulus/parachains/runtimes/test-utils",
 	"cumulus/parachains/runtimes/testing/penpal",
 	"cumulus/parachains/runtimes/testing/rococo-parachain",
+	"cumulus/parachains/runtimes/testing/westend-parachain",
+	"cumulus/parachains/runtimes/testing/westend-pvm-parachain",
 	"cumulus/polkadot-omni-node",
 	"cumulus/polkadot-omni-node/lib",
 	"cumulus/polkadot-parachain",
@@ -1376,6 +1378,8 @@ wasmi = { version = "0.32.3", default-features = false }
 wasmtime = { version = "8.0.1", default-features = false }
 wat = { version = "1.0.0" }
 westend-emulated-chain = { path = "cumulus/parachains/integration-tests/emulated/chains/relays/westend", default-features = false }
+westend-parachain-runtime = { path = "cumulus/parachains/runtimes/testing/westend-parachain" }
+westend-pvm-parachain-runtime = { path = "cumulus/parachains/runtimes/testing/westend-pvm-parachain" }
 westend-runtime = { path = "polkadot/runtime/westend" }
 westend-runtime-constants = { path = "polkadot/runtime/westend/constants", default-features = false }
 westend-system-emulated-network = { path = "cumulus/parachains/integration-tests/emulated/networks/westend-system" }

cumulus/pallets/parachain-system/proc-macro/src/lib.rs

@@ -118,9 +118,12 @@ pub fn register_validate_block(input: proc_macro::TokenStream) -> proc_macro::To
 			#[doc(hidden)]
 			mod parachain_validate_block {
 				use super::*;
+				#[cfg(any(target_arch = "riscv32", target_arch = "riscv64"))]
+				use sp_runtime_interface::polkavm::{polkavm_export, self};
 
 				#[no_mangle]
-				unsafe fn validate_block(arguments: *mut u8, arguments_len: usize) -> u64 {
+				#[cfg_attr(any(target_arch = "riscv32", target_arch = "riscv64"), polkavm_export(abi = sp_runtime_interface::polkavm::polkavm_abi))]
+				pub unsafe extern "C" fn validate_block(arguments: *mut u8, arguments_len: usize) -> u64 {
 					// We convert the `arguments` into a boxed slice and then into `Bytes`.
 					let args = #crate_::validate_block::Box::from_raw(
 						#crate_::validate_block::slice::from_raw_parts_mut(

cumulus/parachains/runtimes/testing/westend-parachain/Cargo.toml

@@ -0,0 +1,142 @@
+[package]
+name = "westend-parachain-runtime"
+version = "0.6.0"
+authors.workspace = true
+edition.workspace = true
+description = "Simple runtime used by the westend parachain(s)"
+license = "Apache-2.0"
+
+[lints]
+workspace = true
+
+[dependencies]
+codec = { features = ["derive"], workspace = true }
+scale-info = { features = ["derive"], workspace = true }
+
+# Substrate
+frame-benchmarking = { optional = true, workspace = true }
+frame-executive = { workspace = true }
+frame-support = { workspace = true }
+frame-system = { workspace = true }
+frame-system-rpc-runtime-api = { workspace = true }
+pallet-assets = { workspace = true }
+pallet-aura = { workspace = true }
+pallet-balances = { workspace = true }
+pallet-sudo = { workspace = true }
+pallet-timestamp = { workspace = true }
+pallet-transaction-payment = { workspace = true }
+pallet-transaction-payment-rpc-runtime-api = { workspace = true }
+sp-api = { workspace = true }
+sp-block-builder = { workspace = true }
+sp-consensus-aura = { workspace = true }
+sp-core = { workspace = true }
+sp-genesis-builder = { workspace = true }
+sp-inherents = { workspace = true }
+sp-offchain = { workspace = true }
+sp-runtime = { workspace = true }
+sp-runtime-interface = { workspace = true }
+sp-session = { workspace = true }
+sp-transaction-pool = { workspace = true }
+sp-version = { workspace = true }
+
+# Polkadot
+pallet-xcm = { workspace = true }
+polkadot-parachain-primitives = { workspace = true }
+xcm = { workspace = true }
+xcm-builder = { workspace = true }
+xcm-executor = { workspace = true }
+polkadot-runtime-common = { workspace = true }
+
+# Cumulus
+cumulus-pallet-aura-ext = { workspace = true }
+pallet-message-queue = { workspace = true }
+cumulus-pallet-parachain-system = { workspace = true }
+cumulus-pallet-xcm = { workspace = true }
+cumulus-pallet-xcmp-queue = { workspace = true }
+cumulus-ping = { workspace = true }
+cumulus-primitives-aura = { workspace = true }
+cumulus-primitives-core = { workspace = true }
+cumulus-primitives-storage-weight-reclaim = { workspace = true }
+cumulus-primitives-utility = { workspace = true }
+parachains-common = { workspace = true }
+testnet-parachains-constants = { features = ["westend"], workspace = true }
+parachain-info = { workspace = true }
+
+[build-dependencies]
+substrate-wasm-builder = { optional = true, workspace = true, default-features = true }
+
+[features]
+default = ["std"]
+std = [
+	"codec/std",
+	"cumulus-pallet-aura-ext/std",
+	"cumulus-pallet-parachain-system/std",
+	"cumulus-pallet-xcm/std",
+	"cumulus-pallet-xcmp-queue/std",
+	"cumulus-ping/std",
+	"cumulus-primitives-aura/std",
+	"cumulus-primitives-core/std",
+	"cumulus-primitives-storage-weight-reclaim/std",
+	"cumulus-primitives-utility/std",
+	"frame-benchmarking?/std",
+	"frame-executive/std",
+	"frame-support/std",
+	"frame-system-rpc-runtime-api/std",
+	"frame-system/std",
+	"pallet-assets/std",
+	"pallet-aura/std",
+	"pallet-balances/std",
+	"pallet-message-queue/std",
+	"pallet-sudo/std",
+	"pallet-timestamp/std",
+	"pallet-transaction-payment-rpc-runtime-api/std",
+	"pallet-transaction-payment/std",
+	"pallet-xcm/std",
+	"parachain-info/std",
+	"parachains-common/std",
+	"polkadot-parachain-primitives/std",
+	"polkadot-runtime-common/std",
+	"scale-info/std",
+	"sp-api/std",
+	"sp-block-builder/std",
+	"sp-consensus-aura/std",
+	"sp-core/std",
+	"sp-genesis-builder/std",
+	"sp-inherents/std",
+	"sp-offchain/std",
+	"sp-runtime/std",
+	"sp-session/std",
+	"sp-transaction-pool/std",
+	"sp-version/std",
+	"substrate-wasm-builder",
+	"testnet-parachains-constants/std",
+	"xcm-builder/std",
+	"xcm-executor/std",
+	"xcm/std",
+]
+runtime-benchmarks = [
+	"cumulus-pallet-parachain-system/runtime-benchmarks",
+	"cumulus-pallet-xcmp-queue/runtime-benchmarks",
+	"cumulus-primitives-core/runtime-benchmarks",
+	"cumulus-primitives-utility/runtime-benchmarks",
+	"frame-benchmarking/runtime-benchmarks",
+	"frame-support/runtime-benchmarks",
+	"frame-system/runtime-benchmarks",
+	"pallet-assets/runtime-benchmarks",
+	"pallet-balances/runtime-benchmarks",
+	"pallet-message-queue/runtime-benchmarks",
+	"pallet-sudo/runtime-benchmarks",
+	"pallet-timestamp/runtime-benchmarks",
+	"pallet-xcm/runtime-benchmarks",
+	"parachains-common/runtime-benchmarks",
+	"polkadot-parachain-primitives/runtime-benchmarks",
+	"polkadot-runtime-common/runtime-benchmarks",
+	"sp-runtime/runtime-benchmarks",
+	"xcm-builder/runtime-benchmarks",
+	"xcm-executor/runtime-benchmarks",
+]
+
+# A feature that should be enabled when the runtime should be built for on-chain
+# deployment. This will disable stuff that shouldn't be part of the on-chain wasm
+# to make it smaller, like logging for example.
+on-chain-release-build = []

cumulus/parachains/runtimes/testing/westend-parachain/build.rs

@@ -0,0 +1,22 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#[cfg(feature = "std")]
+fn main() {
+	substrate_wasm_builder::WasmBuilder::build_using_defaults();
+}
+
+#[cfg(not(feature = "std"))]
+fn main() {}