chore: use construct runtime v2

Author: Daanvdplas

prdoc/pr_4684.prdoc

@@ -0,0 +1,9 @@
+title: "Refactor of the parachain template"
+
+doc:
+  - audience: Runtime Dev
+    description: |
+    Introduce the construct runtime V2 to the parachain template runtime. In addition, url links in the parachain pallet
+    template now direct to the polkadot sdk docs.
+
+crates: [ ]

templates/parachain/pallets/template/Cargo.toml

@@ -22,7 +22,7 @@ scale-info = { version = "2.11.1", default-features = false, features = [
 
 # frame deps
 frame-benchmarking = { path = "../../../../substrate/frame/benchmarking", default-features = false, optional = true }
-frame-support = { path = "../../../../substrate/frame/support", default-features = false }
+frame-support = { path = "../../../../substrate/frame/support", default-features = false, features = ["experimental"] }
 frame-system = { path = "../../../../substrate/frame/system", default-features = false }
 
 [dev-dependencies]

templates/parachain/pallets/template/src/mock.rs

@@ -3,12 +3,27 @@ use frame_system::{mocking::MockBlock, GenesisConfig};
 use sp_runtime::{traits::ConstU64, BuildStorage};
 
 // Configure a mock runtime to test the pallet.
-frame_support::construct_runtime!(
-	pub struct Test {
-		System: frame_system,
-		TemplateModule: crate,
-	}
-);
+#[frame_support::runtime]
+mod test_runtime {
+	#[runtime::runtime]
+	#[runtime::derive(
+		RuntimeCall,
+		RuntimeEvent,
+		RuntimeError,
+		RuntimeOrigin,
+		RuntimeFreezeReason,
+		RuntimeHoldReason,
+		RuntimeSlashReason,
+		RuntimeLockId,
+		RuntimeTask
+	)]
+	pub struct Test;
+
+	#[runtime::pallet_index(0)]
+	pub type System = frame_system;
+	#[runtime::pallet_index(1)]
+	pub type TemplateModule = crate;
+}
 
 #[derive_impl(frame_system::config_preludes::TestDefaultConfig)]
 impl frame_system::Config for Test {

templates/parachain/runtime/Cargo.toml

@@ -35,7 +35,7 @@ pallet-parachain-template = { path = "../pallets/template", default-features = f
 frame-benchmarking = { path = "../../../substrate/frame/benchmarking", default-features = false, optional = true }
 frame-executive = { path = "../../../substrate/frame/executive", default-features = false }
 frame-metadata-hash-extension = { path = "../../../substrate/frame/metadata-hash-extension", default-features = false }
-frame-support = { path = "../../../substrate/frame/support", default-features = false }
+frame-support = { path = "../../../substrate/frame/support", default-features = false, features = ["experimental"] }
 frame-system = { path = "../../../substrate/frame/system", default-features = false }
 frame-system-benchmarking = { path = "../../../substrate/frame/system/benchmarking", default-features = false, optional = true }
 frame-system-rpc-runtime-api = { path = "../../../substrate/frame/system/rpc/runtime-api", default-features = false }

templates/parachain/runtime/src/lib.rs

@@ -7,6 +7,8 @@
 include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
 
 pub mod apis;
+#[cfg(feature = "runtime-benchmarks")]
+mod benchmarks;
 mod configs;
 mod weights;
 
@@ -23,7 +25,6 @@ use sp_version::NativeVersion;
 use sp_version::RuntimeVersion;
 
 use frame_support::{
-	construct_runtime,
 	weights::{
 		constants::WEIGHT_REF_TIME_PER_SECOND, Weight, WeightToFeeCoefficient,
 		WeightToFeeCoefficients, WeightToFeePolynomial,
@@ -232,43 +233,69 @@ pub fn native_version() -> NativeVersion {
 }
 
 // Create the runtime by composing the FRAME pallets that were previously configured.
-construct_runtime!(
-	pub enum Runtime {
-		// System support stuff.
-		System: frame_system = 0,
-		ParachainSystem: cumulus_pallet_parachain_system = 1,
-		Timestamp: pallet_timestamp = 2,
-		ParachainInfo: parachain_info = 3,
-
-		// Monetary stuff.
-		Balances: pallet_balances = 10,
-		TransactionPayment: pallet_transaction_payment = 11,
-
-		// Governance
-		Sudo: pallet_sudo = 15,
-
-		// Collator support. The order of these 4 are important and shall not change.
-		Authorship: pallet_authorship = 20,
-		CollatorSelection: pallet_collator_selection = 21,
-		Session: pallet_session = 22,
-		Aura: pallet_aura = 23,
-		AuraExt: cumulus_pallet_aura_ext = 24,
-
-		// XCM helpers.
-		XcmpQueue: cumulus_pallet_xcmp_queue = 30,
-		PolkadotXcm: pallet_xcm = 31,
-		CumulusXcm: cumulus_pallet_xcm = 32,
-		MessageQueue: pallet_message_queue = 33,
-
-		// Template
-		TemplatePallet: pallet_parachain_template = 50,
-	}
-);
+#[frame_support::runtime]
+mod runtime {
+	#[runtime::runtime]
+	#[runtime::derive(
+		RuntimeCall,
+		RuntimeEvent,
+		RuntimeError,
+		RuntimeOrigin,
+		RuntimeFreezeReason,
+		RuntimeHoldReason,
+		RuntimeSlashReason,
+		RuntimeLockId,
+		RuntimeTask
+	)]
+	pub struct Runtime;
+
+	#[runtime::pallet_index(0)]
+	pub type System = frame_system;
+	#[runtime::pallet_index(1)]
+	pub type ParachainSystem = cumulus_pallet_parachain_system ;
+	#[runtime::pallet_index(2)]
+	pub type Timestamp = pallet_timestamp;
+	#[runtime::pallet_index(3)]
+	pub type ParachainInfo = parachain_info;
+
+	// Monetary stuff.
+	#[runtime::pallet_index(10)]
+	pub type Balances = pallet_balances;
+	#[runtime::pallet_index(11)]
+	pub type TransactionPayment = pallet_transaction_payment;
+
+	// Governance
+	#[runtime::pallet_index(15)]
+	pub type Sudo = pallet_sudo;
+
+	// Collator support. The order of these 4 are important and shall not change.
+	#[runtime::pallet_index(20)]
+	pub type Authorship = pallet_authorship;
+	#[runtime::pallet_index(21)]
+	pub type CollatorSelection = pallet_collator_selection;
+	#[runtime::pallet_index(22)]
+	pub type Session = pallet_session;
+	#[runtime::pallet_index(23)]
+	pub type Aura = pallet_aura;
+	#[runtime::pallet_index(24)]
+	pub type AuraExt = cumulus_pallet_aura_ext;
+
+	// XCM helpers.
+	#[runtime::pallet_index(30)]
+	pub type XcmpQueue = cumulus_pallet_xcmp_queue;
+	#[runtime::pallet_index(31)]
+	pub type PolkadotXcm = pallet_xcm;
+	#[runtime::pallet_index(32)]
+	pub type CumulusXcm = cumulus_pallet_xcm;
+	#[runtime::pallet_index(33)]
+	pub type MessageQueue = pallet_message_queue;
+	#[runtime::pallet_index(50)]
+
+	// Include the custom logic from the pallet-template in the runtime.
+	pub type TemplatePallet = pallet_parachain_template;
+}
 
 cumulus_pallet_parachain_system::register_validate_block! {
 	Runtime = Runtime,
 	BlockExecutor = cumulus_pallet_aura_ext::BlockExecutor::<Runtime, Executive>,
 }
-
-#[cfg(feature = "runtime-benchmarks")]
-mod benchmarks;