The latest Substrate Node Template v3 compiled from Substrate (#160)

.editorconfig

@@ -1,22 +1,16 @@
 root = true
-[*.rs]
-indent_style=tab
-indent_size=tab
-tab_width=4
+
+[*]
+indent_style=space
+indent_size=2
+tab_width=2
 end_of_line=lf
 charset=utf-8
 trim_trailing_whitespace=true
-max_line_length=100
 insert_final_newline = true
 
-[*.yml]
-indent_style=space
-indent_size=2
-tab_width=8
-end_of_line=lf
-
-[*.sh]
-indent_style=space
-indent_size=2
-tab_width=8
-end_of_line=lf
+[*.{rs,toml}]
+indent_style=tab
+indent_size=tab
+tab_width=4
+max_line_length=100

Cargo.toml

@@ -1,9 +1,8 @@
-[profile.release]
-panic = 'unwind'
-
 [workspace]
 members = [
     'node',
     'pallets/*',
     'runtime',
 ]
+[profile.release]
+panic = 'unwind'

node/Cargo.toml

@@ -22,11 +22,8 @@ substrate-build-script-utils = '3.0.0'
 jsonrpc-core = '15.1.0'
 structopt = '0.3.8'
 
-# local dependencies
-node-template-runtime = { path = '../runtime', version = '3.0.0' }
-
 # Substrate dependencies
-frame-benchmarking = '3.0.0'
+frame-benchmarking = '3.1.0'
 frame-benchmarking-cli = '3.0.0'
 pallet-transaction-payment-rpc = '3.0.0'
 sc-basic-authorship = '0.9.0'
@@ -40,6 +37,7 @@ sc-keystore = '3.0.0'
 sc-rpc = '3.0.0'
 sc-rpc-api = '0.9.0'
 sc-service = { features = ['wasmtime'], version = '0.9.0' }
+sc-telemetry = '3.0.0'
 sc-transaction-pool = '3.0.0'
 sp-api = '3.0.0'
 sp-block-builder = '3.0.0'
@@ -53,6 +51,9 @@ sp-runtime = '3.0.0'
 sp-transaction-pool = '3.0.0'
 substrate-frame-rpc-system = '3.0.0'
 
+# local dependencies
+node-template-runtime = { path = '../runtime', version = '3.0.0' }
+
 [features]
 default = []
 runtime-benchmarks = ['node-template-runtime/runtime-benchmarks']

node/src/chain_spec.rs

@@ -39,7 +39,7 @@ pub fn authority_keys_from_seed(s: &str) -> (AuraId, GrandpaId) {
 }
 
 pub fn development_config() -> Result<ChainSpec, String> {
-	let wasm_binary = WASM_BINARY.ok_or_else(|| "Development wasm binary not available".to_string())?;
+	let wasm_binary = WASM_BINARY.ok_or_else(|| "Development wasm not available".to_string())?;
 
 	Ok(ChainSpec::from_genesis(
 		// Name
@@ -78,7 +78,7 @@ pub fn development_config() -> Result<ChainSpec, String> {
 }
 
 pub fn local_testnet_config() -> Result<ChainSpec, String> {
-	let wasm_binary = WASM_BINARY.ok_or_else(|| "Development wasm binary not available".to_string())?;
+	let wasm_binary = WASM_BINARY.ok_or_else(|| "Development wasm not available".to_string())?;
 
 	Ok(ChainSpec::from_genesis(
 		// Name

node/src/service.rs

@@ -8,7 +8,7 @@ use sc_service::{error::Error as ServiceError, Configuration, TaskManager};
 use sp_inherents::InherentDataProviders;
 use sc_executor::native_executor_instance;
 pub use sc_executor::NativeExecutor;
-use sp_consensus_aura::sr25519::{AuthorityPair as AuraPair};
+use sp_consensus_aura::sr25519::AuthorityPair as AuraPair;
 use sc_finality_grandpa::SharedVoterState;
 use sc_keystore::LocalKeystore;
 
@@ -42,7 +42,7 @@ pub fn new_partial(config: &Configuration) -> Result<sc_service::PartialComponen
 		return Err(ServiceError::Other(
 			format!("Remote Keystores are not supported.")))
 	}
-	let inherent_data_providers = sp_inherents::InherentDataProviders::new();
+	let inherent_data_providers = InherentDataProviders::new();
 
 	let (client, backend, keystore_container, task_manager) =
 		sc_service::new_full_parts::<Block, RuntimeApi, Executor>(&config)?;
@@ -59,7 +59,9 @@ pub fn new_partial(config: &Configuration) -> Result<sc_service::PartialComponen
 	);
 
 	let (grandpa_block_import, grandpa_link) = sc_finality_grandpa::block_import(
-		client.clone(), &(client.clone() as Arc<_>), select_chain.clone(),
+		client.clone(),
+		&(client.clone() as Arc<_>),
+		select_chain.clone(),
 	)?;
 
 	let aura_block_import = sc_consensus_aura::AuraBlockImport::<_, _, _, AuraPair>::new(
@@ -78,7 +80,13 @@ pub fn new_partial(config: &Configuration) -> Result<sc_service::PartialComponen
 	)?;
 
 	Ok(sc_service::PartialComponents {
-		client, backend, task_manager, import_queue, keystore_container, select_chain, transaction_pool,
+		client,
+		backend,
+		task_manager,
+		import_queue,
+		keystore_container,
+		select_chain,
+		transaction_pool,
 		inherent_data_providers,
 		other: (aura_block_import, grandpa_link),
 	})
@@ -94,7 +102,13 @@ fn remote_keystore(_url: &String) -> Result<Arc<LocalKeystore>, &'static str> {
 /// Builds a new service for a full client.
 pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError> {
 	let sc_service::PartialComponents {
-		client, backend, mut task_manager, import_queue, mut keystore_container, select_chain, transaction_pool,
+		client,
+		backend,
+		mut task_manager,
+		import_queue,
+		mut keystore_container,
+		select_chain,
+		transaction_pool,
 		inherent_data_providers,
 		other: (block_import, grandpa_link),
 	} = new_partial(&config)?;
@@ -168,7 +182,7 @@ pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError>
 	)?;
 
 	if role.is_authority() {
-		let proposer = sc_basic_authorship::ProposerFactory::new(
+		let proposer_factory = sc_basic_authorship::ProposerFactory::new(
 			task_manager.spawn_handle(),
 			client.clone(),
 			transaction_pool,
@@ -183,7 +197,7 @@ pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError>
 			client.clone(),
 			select_chain,
 			block_import,
-			proposer,
+			proposer_factory,
 			network.clone(),
 			inherent_data_providers.clone(),
 			force_authoring,
@@ -226,10 +240,10 @@ pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError>
 			config: grandpa_config,
 			link: grandpa_link,
 			network,
-			telemetry_on_connect: telemetry_connection_notifier.map(|x| x.on_connect_stream()),
 			voting_rule: sc_finality_grandpa::VotingRulesBuilder::default().build(),
 			prometheus_registry,
 			shared_voter_state: SharedVoterState::empty(),
+			telemetry_on_connect: telemetry_connection_notifier.map(|x| x.on_connect_stream()),
 		};
 
 		// the GRANDPA voter task is considered infallible, i.e.

pallets/template/Cargo.toml

@@ -5,22 +5,18 @@ edition = '2018'
 homepage = 'https://substrate.dev'
 license = 'Unlicense'
 name = 'pallet-template'
+readme = 'README.md'
 repository = 'https://github.com/substrate-developer-hub/substrate-node-template/'
 version = '3.0.0'
 
 [package.metadata.docs.rs]
 targets = ['x86_64-unknown-linux-gnu']
 
-# alias "parity-scale-code" to "codec"
-[dependencies.codec]
-default-features = false
-features = ['derive']
-package = 'parity-scale-codec'
-version = '2.0.0'
-
 [dependencies]
-frame-support = { default-features = false, version = '3.0.0' }
+codec = { default-features = false, features = ['derive'], package = 'parity-scale-codec', version = '2.0.0' }
 frame-system = { default-features = false, version = '3.0.0' }
+frame-support = { default-features = false, version = '3.0.0' }
+frame-benchmarking = { default-features = false, optional = true, version = '3.1.0' }
 
 [dev-dependencies]
 serde = { version = "1.0.119" }
@@ -34,4 +30,9 @@ std = [
 	'codec/std',
 	'frame-support/std',
 	'frame-system/std',
+	'frame-benchmarking/std',
 ]
+runtime-benchmarks = ['frame-benchmarking']
+# Note: frame-support `try-runtime` feature is released after v3.
+#   Uncomment the following line when `frame-support` version > `3.0.0`.
+# try-runtime = ['frame-support/try-runtime']

pallets/template/README.md

@@ -0,0 +1 @@
+License: Unlicense

pallets/template/src/benchmarking.rs

@@ -0,0 +1,24 @@
+//! Benchmarking setup for pallet-template
+
+use super::*;
+
+use frame_system::RawOrigin;
+use frame_benchmarking::{benchmarks, whitelisted_caller, impl_benchmark_test_suite};
+#[allow(unused)]
+use crate::Module as Template;
+
+benchmarks! {
+	do_something {
+		let s in 0 .. 100;
+		let caller: T::AccountId = whitelisted_caller();
+	}: _(RawOrigin::Signed(caller), s)
+	verify {
+		assert_eq!(Something::<T>::get(), Some(s));
+	}
+}
+
+impl_benchmark_test_suite!(
+	Template,
+	crate::mock::new_test_ext(),
+	crate::mock::Test,
+);

pallets/template/src/lib.rs

@@ -2,10 +2,9 @@
 
 /// Edit this file to define custom logic or remove it if it is not needed.
 /// Learn more about FRAME and the core library of Substrate FRAME pallets:
-/// https://substrate.dev/docs/en/knowledgebase/runtime/frame
+/// <https://substrate.dev/docs/en/knowledgebase/runtime/frame>
 
-use frame_support::{decl_module, decl_storage, decl_event, decl_error, dispatch, traits::Get};
-use frame_system::ensure_signed;
+pub use pallet::*;
 
 #[cfg(test)]
 mod mock;
@@ -13,89 +12,94 @@ mod mock;
 #[cfg(test)]
 mod tests;
 
+#[cfg(feature = "runtime-benchmarks")]
+mod benchmarking;
+
+#[frame_support::pallet]
+pub mod pallet {
+	use frame_support::{dispatch::DispatchResultWithPostInfo, pallet_prelude::*};
+	use frame_system::pallet_prelude::*;
+
 	/// Configure the pallet by specifying the parameters and types on which it depends.
+	#[pallet::config]
 	pub trait Config: frame_system::Config {
 		/// Because this pallet emits events, it depends on the runtime's definition of an event.
-	type Event: From<Event<Self>> + Into<<Self as frame_system::Config>::Event>;
+		type Event: From<Event<Self>> + IsType<<Self as frame_system::Config>::Event>;
 	}
 
+	#[pallet::pallet]
+	#[pallet::generate_store(pub(super) trait Store)]
+	pub struct Pallet<T>(_);
+
 	// The pallet's runtime storage items.
 	// https://substrate.dev/docs/en/knowledgebase/runtime/storage
-decl_storage! {
-	// A unique name is used to ensure that the pallet's storage items are isolated.
-	// This name may be updated, but each pallet in the runtime must use a unique name.
-	// ---------------------------------vvvvvvvvvvvvvv
-	trait Store for Module<T: Config> as TemplateModule {
+	#[pallet::storage]
+	#[pallet::getter(fn something)]
 	// Learn more about declaring storage items:
 	// https://substrate.dev/docs/en/knowledgebase/runtime/storage#declaring-storage-items
-		Something get(fn something): Option<u32>;
-	}
-}
+	pub type Something<T> = StorageValue<_, u32>;
 
 	// Pallets use events to inform users when important changes are made.
 	// https://substrate.dev/docs/en/knowledgebase/runtime/events
-decl_event!(
-	pub enum Event<T> where AccountId = <T as frame_system::Config>::AccountId {
+	#[pallet::event]
+	#[pallet::metadata(T::AccountId = "AccountId")]
+	#[pallet::generate_deposit(pub(super) fn deposit_event)]
+	pub enum Event<T: Config> {
 		/// Event documentation should end with an array that provides descriptive names for event
 		/// parameters. [something, who]
-		SomethingStored(u32, AccountId),
+		SomethingStored(u32, T::AccountId),
 	}
-);
 
 	// Errors inform users that something went wrong.
-decl_error! {
-	pub enum Error for Module<T: Config> {
+	#[pallet::error]
+	pub enum Error<T> {
 		/// Error names should be descriptive.
 		NoneValue,
 		/// Errors should have helpful documentation associated with them.
 		StorageOverflow,
 	}
-}
+
+	#[pallet::hooks]
+	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {}
 
 	// Dispatchable functions allows users to interact with the pallet and invoke state changes.
 	// These functions materialize as "extrinsics", which are often compared to transactions.
 	// Dispatchable functions must be annotated with a weight and must return a DispatchResult.
-decl_module! {
-	pub struct Module<T: Config> for enum Call where origin: T::Origin {
-		// Errors must be initialized if they are used by the pallet.
-		type Error = Error<T>;
-
-		// Events must be initialized if they are used by the pallet.
-		fn deposit_event() = default;
-
+	#[pallet::call]
+	impl<T:Config> Pallet<T> {
 		/// An example dispatchable that takes a singles value as a parameter, writes the value to
 		/// storage and emits an event. This function must be dispatched by a signed extrinsic.
-		#[weight = 10_000 + T::DbWeight::get().writes(1)]
-		pub fn do_something(origin, something: u32) -> dispatch::DispatchResult {
+		#[pallet::weight(10_000 + T::DbWeight::get().writes(1))]
+		pub fn do_something(origin: OriginFor<T>, something: u32) -> DispatchResultWithPostInfo {
 			// Check that the extrinsic was signed and get the signer.
 			// This function will return an error if the extrinsic is not signed.
 			// https://substrate.dev/docs/en/knowledgebase/runtime/origin
 			let who = ensure_signed(origin)?;
 
 			// Update storage.
-			Something::put(something);
+			<Something<T>>::put(something);
 
 			// Emit an event.
-			Self::deposit_event(RawEvent::SomethingStored(something, who));
-			// Return a successful DispatchResult
-			Ok(())
+			Self::deposit_event(Event::SomethingStored(something, who));
+			// Return a successful DispatchResultWithPostInfo
+			Ok(().into())
 		}
 
 		/// An example dispatchable that may throw a custom error.
-		#[weight = 10_000 + T::DbWeight::get().reads_writes(1,1)]
-		pub fn cause_error(origin) -> dispatch::DispatchResult {
+		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
+		pub fn cause_error(origin: OriginFor<T>) -> DispatchResultWithPostInfo {
 			let _who = ensure_signed(origin)?;
 
 			// Read a value from storage.
-			match Something::get() {
+			match <Something<T>>::get() {
 				// Return an error if the value has not been set.
 				None => Err(Error::<T>::NoneValue)?,
 				Some(old) => {
 					// Increment the value read from storage; will error in the event of overflow.
 					let new = old.checked_add(1).ok_or(Error::<T>::StorageOverflow)?;
 					// Update the value in storage with the incremented result.
-					Something::put(new);
-					Ok(())
+					<Something<T>>::put(new);
+					Ok(().into())
 				},
 			}
 		}

runtime/Cargo.toml

@@ -13,19 +13,10 @@ targets = ['x86_64-unknown-linux-gnu']
 [build-dependencies]
 substrate-wasm-builder = '4.0.0'
 
-# alias "parity-scale-code" to "codec"
-[dependencies.codec]
-default-features = false
-features = ['derive']
-package = 'parity-scale-codec'
-version = '2.0.0'
-
 [dependencies]
+codec = { default-features = false, features = ['derive'], package = 'parity-scale-codec', version = '2.0.0' }
 hex-literal = { optional = true, version = '0.3.1' }
-serde = { features = ['derive'], optional = true, version = '1.0.119' }
-
-# local dependencies
-pallet-template = { path = '../pallets/template', default-features = false, version = '3.0.0' }
+serde = { version = "1.0.119", optional = true, features = ["derive"] }
 
 # Substrate dependencies
 frame-benchmarking = { default-features = false, optional = true, version = '3.0.0' }
@@ -54,25 +45,28 @@ sp-std = { default-features = false, version = '3.0.0' }
 sp-transaction-pool = { default-features = false, version = '3.0.0' }
 sp-version = { default-features = false, version = '3.0.0' }
 
+# local dependencies
+pallet-template = { default-features = false, path = '../pallets/template', version = '3.0.0' }
+
 [features]
 default = ['std']
 runtime-benchmarks = [
-    'hex-literal',
     'frame-benchmarking',
     'frame-support/runtime-benchmarks',
     'frame-system-benchmarking',
     'frame-system/runtime-benchmarks',
+    'hex-literal',
     'pallet-balances/runtime-benchmarks',
+    'pallet-template/runtime-benchmarks',
     'pallet-timestamp/runtime-benchmarks',
     'sp-runtime/runtime-benchmarks',
 ]
 std = [
     'codec/std',
-    'serde',
     'frame-executive/std',
     'frame-support/std',
-    'frame-system/std',
     'frame-system-rpc-runtime-api/std',
+    'frame-system/std',
     'pallet-aura/std',
     'pallet-balances/std',
     'pallet-grandpa/std',
@@ -80,8 +74,9 @@ std = [
     'pallet-sudo/std',
     'pallet-template/std',
     'pallet-timestamp/std',
-    'pallet-transaction-payment/std',
     'pallet-transaction-payment-rpc-runtime-api/std',
+    'pallet-transaction-payment/std',
+    'serde',
     'sp-api/std',
     'sp-block-builder/std',
     'sp-consensus-aura/std',

runtime/build.rs

@@ -3,7 +3,7 @@ use substrate_wasm_builder::WasmBuilder;
 fn main() {
 	WasmBuilder::new()
 		.with_current_project()
-        .import_memory()
 		.export_heap_base()
+		.import_memory()
 		.build()
 }

runtime/src/lib.rs

@@ -13,7 +13,7 @@ use sp_runtime::{
 	transaction_validity::{TransactionValidity, TransactionSource},
 };
 use sp_runtime::traits::{
-	AccountIdLookup, BlakeTwo256, Block as BlockT, Verify, IdentifyAccount, NumberFor,
+	BlakeTwo256, Block as BlockT, AccountIdLookup, Verify, IdentifyAccount, NumberFor,
 };
 use sp_api::impl_runtime_apis;
 use sp_consensus_aura::sr25519::AuthorityId as AuraId;
@@ -92,17 +92,23 @@ pub mod opaque {
 	}
 }
 
+// To learn more about runtime versioning and what each of the following value means:
+//   https://substrate.dev/docs/en/knowledgebase/runtime/upgrades#runtime-versioning
 pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("node-template"),
 	impl_name: create_runtime_str!("node-template"),
 	authoring_version: 1,
+	// The version of the runtime specification. A full node will not attempt to use its native
+	//   runtime in substitute for the on-chain Wasm runtime unless all of `spec_name`,
+	//   `spec_version`, and `authoring_version` are the same between Wasm and native.
+	// This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
+	//   the compatible custom types.
 	spec_version: 100,
 	impl_version: 1,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 1,
 };
 
-
 /// This determines the average expected block time that we are targeting.
 /// Blocks will be produced at a minimum duration defined by `SLOT_DURATION`.
 /// `SLOT_DURATION` is picked up by `pallet_timestamp` which is in turn picked
@@ -259,7 +265,7 @@ impl pallet_sudo::Config for Runtime {
 	type Call = Call;
 }
 
-/// Configure the template pallet in pallets/template.
+/// Configure the pallet-template in pallets/template.
 impl pallet_template::Config for Runtime {
 	type Event = Event;
 }
@@ -279,7 +285,7 @@ construct_runtime!(
 		Balances: pallet_balances::{Module, Call, Storage, Config<T>, Event<T>},
 		TransactionPayment: pallet_transaction_payment::{Module, Storage},
 		Sudo: pallet_sudo::{Module, Call, Config<T>, Storage, Event<T>},
-		// Include the custom logic from the template pallet in the runtime.
+		// Include the custom logic from the pallet-template in the runtime.
 		TemplateModule: pallet_template::{Module, Call, Storage, Event<T>},
 	}
 );
@@ -324,7 +330,7 @@ impl_runtime_apis! {
 		}
 
 		fn execute_block(block: Block) {
-			Executive::execute_block(block)
+			Executive::execute_block(block);
 		}
 
 		fn initialize_block(header: &<Block as BlockT>::Header) {
@@ -347,8 +353,7 @@ impl_runtime_apis! {
 			Executive::finalize_block()
 		}
 
-		fn inherent_extrinsics(data: sp_inherents::InherentData) ->
-			Vec<<Block as BlockT>::Extrinsic> {
+		fn inherent_extrinsics(data: sp_inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {
 			data.create_extrinsics()
 		}
 
@@ -433,8 +438,7 @@ impl_runtime_apis! {
 		}
 	}
 
-	impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance>
-		for Runtime {
+	impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance> for Runtime {
 		fn query_info(
 			uxt: <Block as BlockT>::Extrinsic,
 			len: u32,
@@ -456,25 +460,20 @@ impl_runtime_apis! {
 		) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {
 			use frame_benchmarking::{Benchmarking, BenchmarkBatch, add_benchmark, TrackedStorageKey};
 
-			use frame_system_benchmarking::Module as SystemBench;
+			use frame_system_benchmarking::Pallet as SystemBench;
 			impl frame_system_benchmarking::Config for Runtime {}
 
 			let whitelist: Vec<TrackedStorageKey> = vec![
 				// Block Number
-				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef702a5c1b19ab7a04f536c519aca4983ac")
-					.to_vec().into(),
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef702a5c1b19ab7a04f536c519aca4983ac").to_vec().into(),
 				// Total Issuance
-				hex_literal::hex!("c2261276cc9d1f8598ea4b6a74b15c2f57c875e4cff74148e4628f264b974c80")
-					.to_vec().into(),
+				hex_literal::hex!("c2261276cc9d1f8598ea4b6a74b15c2f57c875e4cff74148e4628f264b974c80").to_vec().into(),
 				// Execution Phase
-				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef7ff553b5a9862a516939d82b3d3d8661a")
-					.to_vec().into(),
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef7ff553b5a9862a516939d82b3d3d8661a").to_vec().into(),
 				// Event Count
-				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef70a98fdbe9ce6c55837576c60c7af3850")
-					.to_vec().into(),
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef70a98fdbe9ce6c55837576c60c7af3850").to_vec().into(),
 				// System Events
-				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef780d41e5e16056765bc8461851072c9d7")
-					.to_vec().into(),
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef780d41e5e16056765bc8461851072c9d7").to_vec().into(),
 			];
 
 			let mut batches = Vec::<BenchmarkBatch>::new();
@@ -483,6 +482,7 @@ impl_runtime_apis! {
 			add_benchmark!(params, batches, frame_system, SystemBench::<Runtime>);
 			add_benchmark!(params, batches, pallet_balances, Balances);
 			add_benchmark!(params, batches, pallet_timestamp, Timestamp);
+			add_benchmark!(params, batches, pallet_template, TemplateModule);
 
 			if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }
 			Ok(batches)

scripts/docker_run.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-
+# This script meant to be run on Unix/Linux based systems
 set -e
 
 echo "*** Start Substrate node template ***"

scripts/init.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# This script meant to be run on Unix/Linux based systems
+set -e
+
+echo "*** Initializing WASM build environment"
+
+if [ -z $CI_PROJECT_NAME ] ; then
+   rustup update nightly
+   rustup update stable
+fi
+
+rustup target add wasm32-unknown-unknown --toolchain nightly