Integrate Shell runtime into collator (#414)

* Introduce the converter into the hub

* Parachain recognises Rococo governance body as admin

* Whitespace

* Use UsingComponents for fee payment in XCM

* Fixes

* Fixes for XCM permissions

* Remove encode_call test

* Fixes

* Rococo Collator supports Shell runtime

* Fixes

* Fixes

cumulus/rococo-parachains/Cargo.toml

@@ -52,6 +52,7 @@ sc-chain-spec = { git = "https://github.com/paritytech/substrate", branch = "mas
 sc-rpc = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-offchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 # RPC related dependencies
 jsonrpc-core = "15.1.0"

cumulus/rococo-parachains/runtime/src/lib.rs

@@ -38,7 +38,7 @@ use sp_version::RuntimeVersion;
 
 // A few exports that help ease life for downstream crates.
 pub use frame_support::{
-	construct_runtime, parameter_types,
+	construct_runtime, parameter_types, match_type,
 	traits::{Randomness, IsInVec, All},
 	weights::{
 		constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},
@@ -306,17 +306,6 @@ parameter_types! {
 	pub const WeightPrice: (MultiLocation, u128) = (X1(Parent), ROC);
 }
 
-macro_rules! match_type {
-	( pub type $n:ident: impl Contains<$t:ty> = { $phead:pat $( | $ptail:pat )* } ; ) => {
-		pub struct $n;
-		impl frame_support::traits::Contains<$t> for $n {
-			fn contains(l: &$t) -> bool {
-				matches!(l, $phead $( | $ptail )* )
-			}
-		}
-	}
-}
-
 match_type! {
 	pub type ParentOrParentsUnitPlurality: impl Contains<MultiLocation> = {
 		X1(Parent) | X2(Parent, Plurality { id: BodyId::Unit, .. })

cumulus/rococo-parachains/src/chain_spec.rs

@@ -26,6 +26,9 @@ use sp_runtime::traits::{IdentifyAccount, Verify};
 /// Specialized `ChainSpec` for the normal parachain runtime.
 pub type ChainSpec = sc_service::GenericChainSpec<parachain_runtime::GenesisConfig, Extensions>;
 
+/// Specialized `ChainSpec` for the shell parachain runtime.
+pub type ShellChainSpec = sc_service::GenericChainSpec<shell_runtime::GenesisConfig, Extensions>;
+
 /// Helper function to generate a crypto pair from seed
 pub fn get_from_seed<TPublic: Public>(seed: &str) -> <TPublic::Pair as Pair>::Public {
 	TPublic::Pair::from_string(&format!("//{}", seed), None)
@@ -96,6 +99,23 @@ pub fn get_chain_spec(id: ParaId) -> ChainSpec {
 	)
 }
 
+pub fn get_shell_chain_spec(id: ParaId) -> ShellChainSpec {
+	ShellChainSpec::from_genesis(
+		"Shell Local Testnet",
+		"shell_local_testnet",
+		ChainType::Local,
+		move || shell_testnet_genesis(id),
+		vec![],
+		None,
+		None,
+		None,
+		Extensions {
+			relay_chain: "westend-dev".into(),
+			para_id: id.into(),
+		},
+	)
+}
+
 pub fn staging_test_net(id: ParaId) -> ChainSpec {
 	ChainSpec::from_genesis(
 		"Staging Testnet",
@@ -144,3 +164,16 @@ fn testnet_genesis(
 		parachain_info: parachain_runtime::ParachainInfoConfig { parachain_id: id },
 	}
 }
+
+fn shell_testnet_genesis(parachain_id: ParaId) -> shell_runtime::GenesisConfig {
+	shell_runtime::GenesisConfig {
+		frame_system: shell_runtime::SystemConfig {
+			code: shell_runtime::WASM_BINARY
+				.expect("WASM binary was not build, please build it!")
+				.to_vec(),
+			changes_trie_config: Default::default(),
+		},
+		pallet_balances: shell_runtime::BalancesConfig::default(),
+		parachain_info: shell_runtime::ParachainInfoConfig { parachain_id },
+	}
+}

cumulus/rococo-parachains/src/command.rs

@@ -30,7 +30,6 @@ use sc_cli::{
 };
 use sc_service::{
 	config::{BasePath, PrometheusConfig},
-	PartialComponents,
 };
 use sp_core::hexdisplay::HexDisplay;
 use sp_runtime::traits::Block as BlockT;
@@ -51,6 +50,7 @@ fn load_spec(
 		"track" => Ok(Box::new(chain_spec::ChainSpec::from_json_bytes(
 			&include_bytes!("../res/track.json")[..],
 		)?)),
+		"shell" => Ok(Box::new(chain_spec::get_shell_chain_spec(para_id))),
 		"" => Ok(Box::new(chain_spec::get_chain_spec(para_id))),
 		path => Ok(Box::new(chain_spec::ChainSpec::from_json_file(
 			path.into(),
@@ -146,6 +146,31 @@ fn extract_genesis_wasm(chain_spec: &Box<dyn sc_service::ChainSpec>) -> Result<V
 		.ok_or_else(|| "Could not find wasm file in genesis state!".into())
 }
 
+fn use_shell_runtime(chain_spec: &Box<dyn ChainSpec>) -> bool {
+	chain_spec.id().starts_with("track") || chain_spec.id().starts_with("shell")
+}
+
+use crate::service::{new_partial, RuntimeExecutor, ShellRuntimeExecutor};
+
+macro_rules! construct_async_run {
+	(|$components:ident, $cli:ident, $cmd:ident, $config:ident| $( $code:tt )* ) => {{
+		let runner = $cli.create_runner($cmd)?;
+		if use_shell_runtime(&runner.config().chain_spec) {
+			runner.async_run(|$config| {
+				let $components = new_partial::<shell_runtime::RuntimeApi, ShellRuntimeExecutor>(&$config)?;
+				let task_manager = $components.task_manager;
+				{ $( $code )* }.map(|v| (v, task_manager))
+			})
+		} else {
+			runner.async_run(|$config| {
+				let $components = new_partial::<parachain_runtime::RuntimeApi, RuntimeExecutor>(&$config)?;
+				let task_manager = $components.task_manager;
+				{ $( $code )* }.map(|v| (v, task_manager))
+			})
+		}
+	}}
+}
+
 /// Parse command line arguments into service configuration.
 pub fn run() -> Result<()> {
 	let cli = Cli::from_args();
@@ -155,52 +180,18 @@ pub fn run() -> Result<()> {
 			let runner = cli.create_runner(cmd)?;
 			runner.sync_run(|config| cmd.run(config.chain_spec, config.network))
 		}
-		Some(Subcommand::CheckBlock(cmd)) => {
-			let runner = cli.create_runner(cmd)?;
-			runner.async_run(|config| {
-				let PartialComponents {
-					client,
-					task_manager,
-					import_queue,
-					..
-				} = crate::service::new_partial(&config)?;
-				Ok((cmd.run(client, import_queue), task_manager))
-			})
-		}
-		Some(Subcommand::ExportBlocks(cmd)) => {
-			let runner = cli.create_runner(cmd)?;
-			runner.async_run(|config| {
-				let PartialComponents {
-					client,
-					task_manager,
-					..
-				} = crate::service::new_partial(&config)?;
-				Ok((cmd.run(client, config.database), task_manager))
-			})
-		}
-		Some(Subcommand::ExportState(cmd)) => {
-			let runner = cli.create_runner(cmd)?;
-			runner.async_run(|config| {
-				let PartialComponents {
-					client,
-					task_manager,
-					..
-				} = crate::service::new_partial(&config)?;
-				Ok((cmd.run(client, config.chain_spec), task_manager))
-			})
-		}
-		Some(Subcommand::ImportBlocks(cmd)) => {
-			let runner = cli.create_runner(cmd)?;
-			runner.async_run(|config| {
-				let PartialComponents {
-					client,
-					task_manager,
-					import_queue,
-					..
-				} = crate::service::new_partial(&config)?;
-				Ok((cmd.run(client, import_queue), task_manager))
-			})
-		}
+		Some(Subcommand::CheckBlock(cmd)) => construct_async_run! (|components, cli, cmd, config| {
+			Ok(cmd.run(components.client, components.import_queue))
+		}),
+		Some(Subcommand::ExportBlocks(cmd)) => construct_async_run! (|components, cli, cmd, config| {
+			Ok(cmd.run(components.client, config.database))
+		}),
+		Some(Subcommand::ExportState(cmd)) => construct_async_run! (|components, cli, cmd, config| {
+			Ok(cmd.run(components.client, config.chain_spec))
+		}),
+		Some(Subcommand::ImportBlocks(cmd)) => construct_async_run! (|components, cli, cmd, config| {
+			Ok(cmd.run(components.client, components.import_queue))
+		}),
 		Some(Subcommand::PurgeChain(cmd)) => {
 			let runner = cli.create_runner(cmd)?;
 
@@ -222,18 +213,9 @@ pub fn run() -> Result<()> {
 				cmd.run(config, polkadot_config)
 			})
 		}
-		Some(Subcommand::Revert(cmd)) => {
-			let runner = cli.create_runner(cmd)?;
-			runner.async_run(|config| {
-				let PartialComponents {
-					client,
-					task_manager,
-					backend,
-					..
-				} = crate::service::new_partial(&config)?;
-				Ok((cmd.run(client, backend), task_manager))
-			})
-		}
+		Some(Subcommand::Revert(cmd)) => construct_async_run! (|components, cli, cmd, config| {
+			Ok(cmd.run(components.client, components.backend))
+		}),
 		Some(Subcommand::ExportGenesisState(params)) => {
 			let mut builder = sc_cli::LoggerBuilder::new("");
 			builder.with_profiling(sc_tracing::TracingReceiver::Log, "");
@@ -281,6 +263,7 @@ pub fn run() -> Result<()> {
 		}
 		None => {
 			let runner = cli.create_runner(&*cli.run)?;
+			let use_shell = use_shell_runtime(&runner.config().chain_spec);
 
 			runner.run_node_until_exit(|config| async move {
 				// TODO
@@ -319,10 +302,17 @@ pub fn run() -> Result<()> {
 				info!("Parachain genesis state: {}", genesis_state);
 				info!("Is collating: {}", if collator { "yes" } else { "no" });
 
-				crate::service::start_node(config, key, polkadot_config, id, collator)
-					.await
-					.map(|r| r.0)
-					.map_err(Into::into)
+				if use_shell {
+					crate::service::start_shell_node(config, key, polkadot_config, id, collator)
+						.await
+						.map(|r| r.0)
+						.map_err(Into::into)
+				} else {
+					crate::service::start_node(config, key, polkadot_config, id, collator)
+						.await
+						.map(|r| r.0)
+						.map_err(Into::into)
+				}
 			})
 		}
 	}

cumulus/rococo-parachains/src/service.rs

@@ -22,7 +22,6 @@ use cumulus_client_service::{
 	prepare_node_config, start_collator, start_full_node, StartCollatorParams, StartFullNodeParams,
 };
 use cumulus_primitives_core::ParaId;
-use parachain_runtime::RuntimeApi;
 use polkadot_primitives::v0::CollatorPair;
 use rococo_parachain_primitives::Block;
 use sc_executor::native_executor_instance;
@@ -31,20 +30,28 @@ use sc_service::{Configuration, PartialComponents, Role, TFullBackend, TFullClie
 use sc_telemetry::{Telemetry, TelemetryWorker, TelemetryWorkerHandle};
 use sp_runtime::traits::BlakeTwo256;
 use sp_trie::PrefixedMemoryDB;
+use sp_api::ConstructRuntimeApi;
 use std::sync::Arc;
 
 // Native executor instance.
 native_executor_instance!(
-	pub Executor,
+	pub RuntimeExecutor,
 	parachain_runtime::api::dispatch,
 	parachain_runtime::native_version,
 );
 
+// Native executor instance.
+native_executor_instance!(
+	pub ShellRuntimeExecutor,
+	shell_runtime::api::dispatch,
+	shell_runtime::native_version,
+);
+
 /// Starts a `ServiceBuilder` for a full service.
 ///
 /// Use this macro if you don't actually need the full service, but just the builder in order to
 /// be able to perform chain operations.
-pub fn new_partial(
+pub fn new_partial<RuntimeApi, Executor>(
 	config: &Configuration,
 ) -> Result<
 	PartialComponents<
@@ -56,7 +63,22 @@ pub fn new_partial(
 		(Option<Telemetry>, Option<TelemetryWorkerHandle>),
 	>,
 	sc_service::Error,
-> {
+> where
+	RuntimeApi: ConstructRuntimeApi<Block, TFullClient<Block, RuntimeApi, Executor>>
+		+ Send
+		+ Sync
+		+ 'static,
+	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>
+		+ sp_api::Metadata<Block>
+		+ sp_session::SessionKeys<Block>
+		+ sp_api::ApiExt<
+			Block,
+			StateBackend = sc_client_api::StateBackendFor<TFullBackend<Block>, Block>,
+		> + sp_offchain::OffchainWorkerApi<Block>
+		+ sp_block_builder::BlockBuilder<Block>,
+	sc_client_api::StateBackendFor<TFullBackend<Block>, Block>: sp_api::StateBackend<BlakeTwo256>,
+	Executor: sc_executor::NativeExecutionDispatch + 'static,
+{
 	let inherent_data_providers = sp_inherents::InherentDataProviders::new();
 
 	let telemetry = config.telemetry_endpoints.clone()
@@ -122,7 +144,7 @@ pub fn new_partial(
 ///
 /// This is the actual implementation that is abstract over the executor and the runtime api.
 #[sc_tracing::logging::prefix_logs_with("Parachain")]
-async fn start_node_impl<RB>(
+async fn start_node_impl<RuntimeApi, Executor, RB>(
 	parachain_config: Configuration,
 	collator_key: CollatorPair,
 	polkadot_config: Configuration,
@@ -131,6 +153,20 @@ async fn start_node_impl<RB>(
 	rpc_ext_builder: RB,
 ) -> sc_service::error::Result<(TaskManager, Arc<TFullClient<Block, RuntimeApi, Executor>>)>
 where
+	RuntimeApi: ConstructRuntimeApi<Block, TFullClient<Block, RuntimeApi, Executor>>
+		+ Send
+		+ Sync
+		+ 'static,
+	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>
+		+ sp_api::Metadata<Block>
+		+ sp_session::SessionKeys<Block>
+		+ sp_api::ApiExt<
+			Block,
+			StateBackend = sc_client_api::StateBackendFor<TFullBackend<Block>, Block>,
+		> + sp_offchain::OffchainWorkerApi<Block>
+		+ sp_block_builder::BlockBuilder<Block>,
+	sc_client_api::StateBackendFor<TFullBackend<Block>, Block>: sp_api::StateBackend<BlakeTwo256>,
+	Executor: sc_executor::NativeExecutionDispatch + 'static,
 	RB: Fn(
 			Arc<TFullClient<Block, RuntimeApi, Executor>>,
 		) -> jsonrpc_core::IoHandler<sc_rpc::Metadata>
@@ -143,7 +179,7 @@ where
 
 	let parachain_config = prepare_node_config(parachain_config);
 
-	let params = new_partial(&parachain_config)?;
+	let params = new_partial::<RuntimeApi, Executor>(&parachain_config)?;
 	params
 		.inherent_data_providers
 		.register_provider(sp_timestamp::InherentDataProvider)
@@ -259,21 +295,42 @@ where
 	Ok((task_manager, client))
 }
 
-/// Start a normal parachain node.
+/// Start a rococo-test parachain node.
 pub async fn start_node(
 	parachain_config: Configuration,
 	collator_key: CollatorPair,
 	polkadot_config: Configuration,
 	id: ParaId,
 	validator: bool,
-) -> sc_service::error::Result<(TaskManager, Arc<TFullClient<Block, RuntimeApi, Executor>>)> {
-	start_node_impl(
+) -> sc_service::error::Result<
+	(TaskManager, Arc<TFullClient<Block, parachain_runtime::RuntimeApi, RuntimeExecutor>>)
+> {
+	start_node_impl::<parachain_runtime::RuntimeApi, RuntimeExecutor, _>(
 		parachain_config,
 		collator_key,
 		polkadot_config,
 		id,
 		validator,
 		|_| Default::default(),
-	)
-	.await
+	).await
+}
+
+/// Start a rococo-shell parachain node.
+pub async fn start_shell_node(
+	parachain_config: Configuration,
+	collator_key: CollatorPair,
+	polkadot_config: Configuration,
+	id: ParaId,
+	validator: bool,
+) -> sc_service::error::Result<
+	(TaskManager, Arc<TFullClient<Block, shell_runtime::RuntimeApi, ShellRuntimeExecutor>>)
+> {
+	start_node_impl::<shell_runtime::RuntimeApi, ShellRuntimeExecutor, _>(
+		parachain_config,
+		collator_key,
+		polkadot_config,
+		id,
+		validator,
+		|_| Default::default(),
+	).await
 }