polkadot-parachain: Remove shell node

cumulus/polkadot-parachain/polkadot-parachain-lib/src/command.rs

@@ -26,7 +26,7 @@ use crate::{
 		NodeBlock, NodeExtraArgs,
 	},
 	fake_runtime_api,
-	nodes::{shell::ShellNode, DynNodeSpecExt},
+	nodes::DynNodeSpecExt,
 	runtime::BlockNumber,
 };
 #[cfg(feature = "runtime-benchmarks")]
@@ -77,7 +77,6 @@ fn new_node_spec(
 	let runtime = runtime_resolver.runtime(config.chain_spec.as_ref())?;
 
 	Ok(match runtime {
-		Runtime::Shell => Box::new(ShellNode),
 		Runtime::Omni(block_number, consensus) => match (block_number, consensus) {
 			(BlockNumber::U32, Consensus::Aura(aura_id)) =>
 				new_aura_node_spec::<Block<u32>>(aura_id, extra_args),

cumulus/polkadot-parachain/polkadot-parachain-lib/src/common/rpc.rs

@@ -40,27 +40,6 @@ pub(crate) trait BuildRpcExtensions<Client, Backend, Pool> {
 	) -> sc_service::error::Result<RpcExtension>;
 }
 
-pub(crate) struct BuildEmptyRpcExtensions<Block, RuntimeApi>(PhantomData<(Block, RuntimeApi)>);
-
-impl<Block: BlockT, RuntimeApi>
-	BuildRpcExtensions<
-		ParachainClient<Block, RuntimeApi>,
-		ParachainBackend<Block>,
-		sc_transaction_pool::FullPool<Block, ParachainClient<Block, RuntimeApi>>,
-	> for BuildEmptyRpcExtensions<Block, RuntimeApi>
-where
-	RuntimeApi:
-		ConstructNodeRuntimeApi<Block, ParachainClient<Block, RuntimeApi>> + Send + Sync + 'static,
-{
-	fn build_rpc_extensions(
-		_client: Arc<ParachainClient<Block, RuntimeApi>>,
-		_backend: Arc<ParachainBackend<Block>>,
-		_pool: Arc<sc_transaction_pool::FullPool<Block, ParachainClient<Block, RuntimeApi>>>,
-	) -> sc_service::error::Result<RpcExtension> {
-		Ok(RpcExtension::new(()))
-	}
-}
-
 pub(crate) struct BuildParachainRpcExtensions<Block, RuntimeApi>(PhantomData<(Block, RuntimeApi)>);
 
 impl<Block: BlockT, RuntimeApi>

cumulus/polkadot-parachain/polkadot-parachain-lib/src/common/runtime.rs

@@ -49,8 +49,6 @@ pub enum Runtime {
 	/// None of the system-chain runtimes, rather the node will act agnostic to the runtime ie. be
 	/// an omni-node, and simply run a node with the given consensus algorithm.
 	Omni(BlockNumber, Consensus),
-	/// Shell
-	Shell,
 }
 
 /// Helper trait used for extracting the Runtime variant from the chain spec ID.

cumulus/polkadot-parachain/polkadot-parachain-lib/src/nodes/mod.rs

@@ -16,7 +16,6 @@
 
 pub mod aura;
 mod manual_seal;
-pub mod shell;
 
 use crate::common::spec::{DynNodeSpec, NodeSpec as NodeSpecT};
 use cumulus_primitives_core::ParaId;

cumulus/polkadot-parachain/src/chain_spec/mod.rs

@@ -202,8 +202,6 @@ impl LoadSpec for ChainSpecLoader {
 #[derive(Debug, PartialEq)]
 enum LegacyRuntime {
 	Omni,
-	Shell,
-	Seedling,
 	AssetHubPolkadot,
 	AssetHub,
 	Penpal,
@@ -218,11 +216,7 @@ impl LegacyRuntime {
 	fn from_id(id: &str) -> LegacyRuntime {
 		let id = id.replace('_', "-");
 
-		if id.starts_with("shell") {
-			LegacyRuntime::Shell
-		} else if id.starts_with("seedling") {
-			LegacyRuntime::Seedling
-		} else if id.starts_with("asset-hub-polkadot") | id.starts_with("statemint") {
+		if id.starts_with("asset-hub-polkadot") | id.starts_with("statemint") {
 			LegacyRuntime::AssetHubPolkadot
 		} else if id.starts_with("asset-hub-kusama") |
 			id.starts_with("statemine") |
@@ -277,7 +271,6 @@ impl RuntimeResolverT for RuntimeResolver {
 			LegacyRuntime::Penpal |
 			LegacyRuntime::Omni =>
 				Runtime::Omni(BlockNumber::U32, Consensus::Aura(AuraConsensusId::Sr25519)),
-			LegacyRuntime::Shell | LegacyRuntime::Seedling => Runtime::Shell,
 		})
 	}
 }
@@ -336,15 +329,6 @@ mod tests {
 
 	#[test]
 	fn test_legacy_runtime_for_different_chain_specs() {
-		let chain_spec = create_default_with_extensions("shell-1", Extensions1::default());
-		assert_eq!(LegacyRuntime::Shell, LegacyRuntime::from_id(chain_spec.id()));
-
-		let chain_spec = create_default_with_extensions("shell-2", Extensions2::default());
-		assert_eq!(LegacyRuntime::Shell, LegacyRuntime::from_id(chain_spec.id()));
-
-		let chain_spec = create_default_with_extensions("seedling", Extensions2::default());
-		assert_eq!(LegacyRuntime::Seedling, LegacyRuntime::from_id(chain_spec.id()));
-
 		let chain_spec =
 			create_default_with_extensions("penpal-rococo-1000", Extensions2::default());
 		assert_eq!(LegacyRuntime::Penpal, LegacyRuntime::from_id(chain_spec.id()));

prdoc/pr_5911.prdoc

@@ -0,0 +1,16 @@
+# Schema: Polkadot SDK PRDoc Schema (prdoc) v1.0.0
+# See doc at https://raw.githubusercontent.com/paritytech/polkadot-sdk/master/prdoc/schema_user.json
+
+title: Removed the possibility to start a shell parachain node
+
+doc:
+  - audience: Node Dev
+    description: |
+      Removed the possibility to start a shell parachain node using the polkadot-parachain-lib or
+      polkadot-parachain-bin.
+
+crates:
+  - name: polkadot-parachain-lib
+    bump: minor
+  - name: polkadot-parachain-bin
+    bump: minor