frame: Enable GenesisConfig in no_std

frame/alliance/src/lib.rs

@@ -407,7 +407,6 @@ pub mod pallet {
 		pub phantom: PhantomData<(T, I)>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config<I>, I: 'static> Default for GenesisConfig<T, I> {
 		fn default() -> Self {
 			Self { fellows: Vec::new(), allies: Vec::new(), phantom: Default::default() }

frame/assets/src/lib.rs

@@ -375,7 +375,6 @@ pub mod pallet {
 		pub accounts: Vec<(T::AssetId, T::AccountId, T::Balance)>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config<I>, I: 'static> Default for GenesisConfig<T, I> {
 		fn default() -> Self {
 			Self {

frame/aura/src/lib.rs

@@ -133,7 +133,6 @@ pub mod pallet {
 		pub authorities: Vec<T::AuthorityId>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			Self { authorities: Vec::new() }

frame/authority-discovery/src/lib.rs

@@ -59,7 +59,7 @@ pub mod pallet {
 	pub(super) type NextKeys<T: Config> =
 		StorageValue<_, WeakBoundedVec<AuthorityId, T::MaxAuthorities>, ValueQuery>;
 
-	#[cfg_attr(feature = "std", derive(Default))]
+	#[derive(Default)]
 	#[pallet::genesis_config]
 	pub struct GenesisConfig {
 		pub keys: Vec<AuthorityId>,

frame/babe/src/lib.rs

@@ -314,7 +314,7 @@ pub mod pallet {
 	pub(super) type SkippedEpochs<T> =
 		StorageValue<_, BoundedVec<(u64, SessionIndex), ConstU32<100>>, ValueQuery>;
 
-	#[cfg_attr(feature = "std", derive(Default))]
+	#[derive(Default)]
 	#[pallet::genesis_config]
 	pub struct GenesisConfig {
 		pub authorities: Vec<(AuthorityId, BabeAuthorityWeight)>,

frame/balances/src/lib.rs

@@ -456,7 +456,6 @@ pub mod pallet {
 		pub balances: Vec<(T::AccountId, T::Balance)>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config<I>, I: 'static> Default for GenesisConfig<T, I> {
 		fn default() -> Self {
 			Self { balances: Default::default() }
@@ -483,7 +482,7 @@ pub mod pallet {
 				.iter()
 				.map(|(x, _)| x)
 				.cloned()
-				.collect::<std::collections::BTreeSet<_>>();
+				.collect::<sp_std::collections::btree_set::BTreeSet<_>>();
 
 			assert!(
 				endowed_accounts.len() == self.balances.len(),

frame/beefy/src/lib.rs

@@ -166,7 +166,6 @@ pub mod pallet {
 		pub genesis_block: Option<BlockNumberFor<T>>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			// BEEFY genesis will be first BEEFY-MANDATORY block,

frame/collective/src/lib.rs

@@ -229,7 +229,6 @@ pub mod pallet {
 		pub members: Vec<T::AccountId>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config<I>, I: 'static> Default for GenesisConfig<T, I> {
 		fn default() -> Self {
 			Self { phantom: Default::default(), members: Default::default() }

frame/democracy/src/lib.rs

@@ -443,7 +443,6 @@ pub mod pallet {
 		_phantom: sp_std::marker::PhantomData<T>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			GenesisConfig { _phantom: Default::default() }

frame/elections-phragmen/src/lib.rs

@@ -715,7 +715,6 @@ pub mod pallet {
 		pub members: Vec<(T::AccountId, BalanceOf<T>)>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			Self { members: Default::default() }

frame/examples/basic/src/lib.rs

@@ -625,7 +625,6 @@ pub mod pallet {
 	}
 
 	// The default value for the genesis config type.
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			Self { dummy: Default::default(), bar: Default::default(), foo: Default::default() }

frame/grandpa/src/lib.rs

@@ -333,7 +333,7 @@ pub mod pallet {
 	#[pallet::getter(fn session_for_set)]
 	pub(super) type SetIdSession<T: Config> = StorageMap<_, Twox64Concat, SetId, SessionIndex>;
 
-	#[cfg_attr(feature = "std", derive(Default))]
+	#[derive(Default)]
 	#[pallet::genesis_config]
 	pub struct GenesisConfig {
 		pub authorities: AuthorityList,

frame/im-online/src/lib.rs

@@ -446,7 +446,6 @@ pub mod pallet {
 		pub keys: Vec<T::AuthorityId>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			GenesisConfig { keys: Default::default() }

frame/indices/src/lib.rs

@@ -267,7 +267,6 @@ pub mod pallet {
 		pub indices: Vec<(T::AccountIndex, T::AccountId)>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			Self { indices: Default::default() }

frame/membership/src/lib.rs

@@ -110,7 +110,6 @@ pub mod pallet {
 		pub phantom: PhantomData<I>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config<I>, I: 'static> Default for GenesisConfig<T, I> {
 		fn default() -> Self {
 			Self { members: Default::default(), phantom: Default::default() }

frame/node-authorization/src/lib.rs

@@ -113,7 +113,6 @@ pub mod pallet {
 		pub nodes: Vec<(PeerId, T::AccountId)>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			Self { nodes: Vec::new() }

frame/nomination-pools/src/lib.rs

@@ -1659,7 +1659,6 @@ pub mod pallet {
 		pub global_max_commission: Option<Perbill>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			Self {

frame/scored-pool/src/lib.rs

@@ -254,7 +254,6 @@ pub mod pallet {
 		pub member_count: u32,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config<I>, I: 'static> Default for GenesisConfig<T, I> {
 		fn default() -> Self {
 			Self { pool: Default::default(), member_count: Default::default() }

frame/session/src/lib.rs

@@ -418,7 +418,6 @@ pub mod pallet {
 		pub keys: Vec<(T::AccountId, T::ValidatorId, T::Keys)>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			Self { keys: Default::default() }

frame/society/src/lib.rs

@@ -649,7 +649,6 @@ pub mod pallet {
 		pub max_members: u32,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config<I>, I: 'static> Default for GenesisConfig<T, I> {
 		fn default() -> Self {
 			Self {

frame/staking/src/pallet/mod.rs

@@ -594,7 +594,6 @@ pub mod pallet {
 		pub max_nominator_count: Option<u32>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			GenesisConfig {

frame/sudo/src/lib.rs

@@ -278,7 +278,6 @@ pub mod pallet {
 		pub key: Option<T::AccountId>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			Self { key: None }

frame/support/procedural/src/pallet/expand/genesis_config.rs

@@ -94,15 +94,24 @@ pub fn expand_genesis_config(def: &mut Def) -> proc_macro2::TokenStream {
 					"]
 				));
 			}
-			attrs.push(syn::parse_quote!( #[cfg(feature = "std")] ));
 			attrs.push(syn::parse_quote!(
-				#[derive(#frame_support::Serialize, #frame_support::Deserialize)]
+				#[cfg_attr(feature = "std", derive(#frame_support::Serialize, #frame_support::Deserialize))]
 			));
-			attrs.push(syn::parse_quote!( #[serde(rename_all = "camelCase")] ));
-			attrs.push(syn::parse_quote!( #[serde(deny_unknown_fields)] ));
-			attrs.push(syn::parse_quote!( #[serde(bound(serialize = ""))] ));
-			attrs.push(syn::parse_quote!( #[serde(bound(deserialize = ""))] ));
-			attrs.push(syn::parse_quote!( #[serde(crate = #serde_crate)] ));
+			attrs.push(
+				syn::parse_quote!( #[cfg_attr(feature = "std", serde(rename_all = "camelCase"))] ),
+			);
+			attrs.push(
+				syn::parse_quote!( #[cfg_attr(feature = "std", serde(deny_unknown_fields))] ),
+			);
+			attrs.push(
+				syn::parse_quote!( #[cfg_attr(feature = "std", serde(bound(serialize = "")))] ),
+			);
+			attrs.push(
+				syn::parse_quote!( #[cfg_attr(feature = "std", serde(bound(deserialize = "")))] ),
+			);
+			attrs.push(
+				syn::parse_quote!( #[cfg_attr(feature = "std", serde(crate = #serde_crate))] ),
+			);
 		},
 		_ => unreachable!("Checked by genesis_config parser"),
 	}

frame/system/src/lib.rs

@@ -635,10 +635,10 @@ pub mod pallet {
 	#[pallet::whitelist_storage]
 	pub(super) type ExecutionPhase<T: Config> = StorageValue<_, Phase>;
 
-	#[cfg_attr(feature = "std", derive(Default))]
+	#[derive(Default)]
 	#[pallet::genesis_config]
 	pub struct GenesisConfig {
-		#[serde(with = "sp_core::bytes")]
+		#[cfg_attr(feature = "std", serde(with = "sp_core::bytes"))]
 		pub code: Vec<u8>,
 	}
 
@@ -712,7 +712,6 @@ pub struct EventRecord<E: Parameter + Member, T> {
 
 // Create a Hash with 69 for each byte,
 // only used to build genesis config.
-#[cfg(feature = "std")]
 fn hash69<T: AsMut<[u8]> + Default>() -> T {
 	let mut h = T::default();
 	h.as_mut().iter_mut().for_each(|byte| *byte = 69);

frame/transaction-payment/src/lib.rs

@@ -362,7 +362,6 @@ pub mod pallet {
 		pub multiplier: Multiplier,
 	}
 
-	#[cfg(feature = "std")]
 	impl Default for GenesisConfig {
 		fn default() -> Self {
 			Self { multiplier: MULTIPLIER_DEFAULT_VALUE }

frame/transaction-storage/src/lib.rs

@@ -383,7 +383,6 @@ pub mod pallet {
 		pub storage_period: T::BlockNumber,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			Self {

frame/treasury/src/lib.rs

@@ -236,7 +236,6 @@ pub mod pallet {
 	#[pallet::genesis_config]
 	pub struct GenesisConfig;
 
-	#[cfg(feature = "std")]
 	impl Default for GenesisConfig {
 		fn default() -> Self {
 			Self

frame/vesting/src/lib.rs

@@ -218,7 +218,6 @@ pub mod pallet {
 		pub vesting: Vec<(T::AccountId, T::BlockNumber, T::BlockNumber, BalanceOf<T>)>,
 	}
 
-	#[cfg(feature = "std")]
 	impl<T: Config> Default for GenesisConfig<T> {
 		fn default() -> Self {
 			GenesisConfig { vesting: Default::default() }