Update the minimal template to stable2412 (#21)

This synchronizes the template to the stable2412 branch.

---------

Signed-off-by: Iulian Barbu <iulian.barbu@parity.io>
Co-authored-by: iulianbarbu <14218860+iulianbarbu@users.noreply.github.com>
Co-authored-by: Iulian Barbu <iulian.barbu@parity.io>

runtime/Cargo.toml

@@ -12,7 +12,8 @@ publish = false
 [dependencies]
 codec = { workspace = true }
 scale-info = { workspace = true }
-polkadot-sdk = { workspace = true, features = ["experimental", "pallet-balances", "pallet-sudo", "pallet-timestamp", "pallet-transaction-payment", "pallet-transaction-payment-rpc-runtime-api", "runtime"] }
+polkadot-sdk = { workspace = true, features = ["pallet-balances", "pallet-sudo", "pallet-timestamp", "pallet-transaction-payment", "pallet-transaction-payment-rpc-runtime-api", "runtime"] }
+serde_json = { workspace = true, default-features = false, features = ["alloc"] }
 pallet-minimal-template.workspace = true
 
 [build-dependencies]
@@ -25,4 +26,5 @@ std = [
 	"pallet-minimal-template/std",
 	"polkadot-sdk/std",
 	"scale-info/std",
+	"serde_json/std",
 ]

runtime/README.md

@@ -12,4 +12,4 @@ responsible for validating blocks and executing the state changes they define.
 
 ## Release
 
-Polkadot SDK stable2409
+Polkadot SDK Stable 2412

runtime/src/lib.rs

@@ -25,28 +25,75 @@ include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
 
 extern crate alloc;
 
-use alloc::{vec, vec::Vec};
+use alloc::vec::Vec;
 use pallet_transaction_payment::{FeeDetails, RuntimeDispatchInfo};
 use polkadot_sdk::{
 	polkadot_sdk_frame::{
 		self as frame,
-		prelude::*,
+		deps::sp_genesis_builder,
 		runtime::{apis, prelude::*},
 	},
 	*,
 };
 
+/// Provides getters for genesis configuration presets.
+pub mod genesis_config_presets {
+	use super::*;
+	use crate::{
+		interface::{Balance, MinimumBalance},
+		sp_keyring::AccountKeyring,
+		BalancesConfig, RuntimeGenesisConfig, SudoConfig,
+	};
+
+	use alloc::{vec, vec::Vec};
+	use serde_json::Value;
+
+	/// Returns a development genesis config preset.
+	pub fn development_config_genesis() -> Value {
+		let endowment = <MinimumBalance as Get<Balance>>::get().max(1) * 1000;
+		let config = RuntimeGenesisConfig {
+			balances: BalancesConfig {
+				balances: AccountKeyring::iter()
+					.map(|a| (a.to_account_id(), endowment))
+					.collect::<Vec<_>>(),
+			},
+			sudo: SudoConfig { key: Some(AccountKeyring::Alice.to_account_id()) },
+			..Default::default()
+		};
+
+		serde_json::to_value(config).expect("Could not build genesis config.")
+	}
+
+	/// Get the set of the available genesis config presets.
+	pub fn get_preset(id: &PresetId) -> Option<Vec<u8>> {
+		let patch = match id.as_ref() {
+			sp_genesis_builder::DEV_RUNTIME_PRESET => development_config_genesis(),
+			_ => return None,
+		};
+		Some(
+			serde_json::to_string(&patch)
+				.expect("serialization to json is expected to work. qed.")
+				.into_bytes(),
+		)
+	}
+
+	/// List of supported presets.
+	pub fn preset_names() -> Vec<PresetId> {
+		vec![PresetId::from(sp_genesis_builder::DEV_RUNTIME_PRESET)]
+	}
+}
+
 /// The runtime version.
 #[runtime_version]
 pub const VERSION: RuntimeVersion = RuntimeVersion {
-	spec_name: create_runtime_str!("minimal-template-runtime"),
-	impl_name: create_runtime_str!("minimal-template-runtime"),
+	spec_name: alloc::borrow::Cow::Borrowed("minimal-template-runtime"),
+	impl_name: alloc::borrow::Cow::Borrowed("minimal-template-runtime"),
 	authoring_version: 1,
 	spec_version: 0,
 	impl_version: 1,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 1,
-	state_version: 1,
+	system_version: 1,
 };
 
 /// The version information used to identify this runtime when compiled natively.
@@ -55,8 +102,8 @@ pub fn native_version() -> NativeVersion {
 	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
 }
 
-/// The signed extensions that are added to the runtime.
-type SignedExtra = (
+/// The transaction extensions that are added to the runtime.
+type TxExtension = (
 	// Checks that the sender is not the zero address.
 	frame_system::CheckNonZeroSender<Runtime>,
 	// Checks that the runtime version is correct.
@@ -159,7 +206,7 @@ impl pallet_transaction_payment::Config for Runtime {
 // Implements the types required for the template pallet.
 impl pallet_minimal_template::Config for Runtime {}
 
-type Block = frame::runtime::types_common::BlockOf<Runtime, SignedExtra>;
+type Block = frame::runtime::types_common::BlockOf<Runtime, TxExtension>;
 type Header = HeaderFor<Runtime>;
 
 type RuntimeExecutive =
@@ -266,17 +313,17 @@ impl_runtime_apis! {
 		}
 	}
 
-	impl sp_genesis_builder::GenesisBuilder<Block> for Runtime {
+	impl apis::GenesisBuilder<Block> for Runtime {
 		fn build_state(config: Vec<u8>) -> sp_genesis_builder::Result {
 			build_state::<RuntimeGenesisConfig>(config)
 		}
 
-		fn get_preset(id: &Option<sp_genesis_builder::PresetId>) -> Option<Vec<u8>> {
-			get_preset::<RuntimeGenesisConfig>(id, |_| None)
+		fn get_preset(id: &Option<PresetId>) -> Option<Vec<u8>> {
+			get_preset::<RuntimeGenesisConfig>(id, self::genesis_config_presets::get_preset)
 		}
 
-		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![]
+		fn preset_names() -> Vec<PresetId> {
+			self::genesis_config_presets::preset_names()
 		}
 	}
 }