Adds propose parachain pallet

node/service/Cargo.toml

@@ -103,7 +103,14 @@ db = ["service/db"]
 full-node = [
 	"polkadot-node-core-av-store",
 ]
-runtime-benchmarks = ["polkadot-runtime/runtime-benchmarks", "kusama-runtime/runtime-benchmarks", "westend-runtime/runtime-benchmarks"]
+
+runtime-benchmarks = [
+	"polkadot-runtime/runtime-benchmarks",
+	"kusama-runtime/runtime-benchmarks",
+	"westend-runtime/runtime-benchmarks",
+	"rococo-runtime/runtime-benchmarks"
+]
+
 real-overseer = [
 	"polkadot-availability-bitfield-distribution",
 	"polkadot-availability-distribution",

runtime/common/src/lib.rs

@@ -52,7 +52,7 @@ pub type NegativeImbalance<T> = <pallet_balances::Module<T> as Currency<<T as fr
 
 /// The sequence of bytes a valid wasm module binary always starts with. Apart from that it's also a
 /// valid wasm module.
-const WASM_MAGIC: &[u8] = &[0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00];
+pub const WASM_MAGIC: &[u8] = &[0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00];
 
 /// We assume that an on-initialize consumes 2.5% of the weight on average, hence a single extrinsic
 /// will not be allowed to consume more than `AvailableBlockRatio - 2.5%`.

runtime/parachains/src/paras.rs

@@ -209,7 +209,7 @@ decl_storage! {
 
 		/// Upcoming paras (chains and threads). These are only updated on session change. Corresponds to an
 		/// entry in the upcoming-genesis map.
-		UpcomingParas: Vec<ParaId>;
+		UpcomingParas get(fn upcoming_paras): Vec<ParaId>;
 		/// Upcoming paras instantiation arguments.
 		UpcomingParasGenesis: map hasher(twox_64_concat) ParaId => Option<ParaGenesisArgs>;
 		/// Paras that are to be cleaned up at the end of the session.

runtime/rococo/Cargo.toml

@@ -10,6 +10,7 @@ parity-scale-codec = { version = "1.3.5", default-features = false, features = [
 serde = { version = "1.0.118", default-features = false }
 serde_derive = { version = "1.0.117", optional = true }
 smallvec = "1.6.1"
+hex-literal = "0.3.1"
 
 frame-support = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-api = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
@@ -113,3 +114,4 @@ std = [
 # runtime without clashing with the runtime api exported functions
 # in WASM.
 disable-runtime-api = []
+runtime-benchmarks = []

runtime/rococo/src/lib.rs

@@ -41,9 +41,7 @@ use runtime_parachains::{
 	runtime_api_impl::v1 as runtime_api_impl,
 };
 use frame_support::{
-	parameter_types, construct_runtime, debug,
-	traits::{KeyOwnerProofSystem, Filter},
-	weights::Weight,
+	parameter_types, construct_runtime, debug, traits::{KeyOwnerProofSystem, Filter, EnsureOrigin}, weights::Weight,
 };
 use sp_runtime::{
 	create_runtime_str, generic, impl_opaque_keys,
@@ -64,7 +62,7 @@ use pallet_grandpa::{AuthorityId as GrandpaId, fg_primitives};
 use sp_core::OpaqueMetadata;
 use sp_staking::SessionIndex;
 use pallet_session::historical as session_historical;
-use frame_system::EnsureRoot;
+use frame_system::{EnsureRoot, EnsureOneOf, EnsureSigned};
 use runtime_common::{paras_sudo_wrapper, paras_registrar};
 
 use runtime_parachains::origin as parachains_origin;
@@ -91,10 +89,11 @@ use xcm_builder::{
 	CurrencyAdapter as XcmCurrencyAdapter, ChildParachainAsNative,
 	SignedAccountId32AsNative, ChildSystemParachainAsSuperuser, LocationInverter,
 };
+use constants::{time::*, currency::*, fee::*};
 
 /// Constant values used within the runtime.
 pub mod constants;
-use constants::{time::*, currency::*, fee::*};
+mod propose_parachain;
 
 // Make the WASM binary available.
 #[cfg(feature = "std")]
@@ -208,6 +207,9 @@ construct_runtime! {
 
 		// Sudo
 		Sudo: pallet_sudo::{Module, Call, Storage, Event<T>, Config<T>},
+
+		// Propose parachain pallet.
+		ProposeParachain: propose_parachain::{Module, Call, Storage, Event},
 	}
 }
 
@@ -451,7 +453,7 @@ impl pallet_session::Config for Runtime {
 	type ValidatorIdOf = pallet_staking::StashOf<Self>;
 	type ShouldEndSession = Babe;
 	type NextSessionRotation = Babe;
-	type SessionManager = pallet_session::historical::NoteHistoricalRoot<Self, Staking>;
+	type SessionManager = pallet_session::historical::NoteHistoricalRoot<Self, ProposeParachain>;
 	type SessionHandler = <SessionKeys as OpaqueKeys>::KeyTypeIdProviders;
 	type Keys = SessionKeys;
 	type DisabledValidatorsThreshold = DisabledValidatorsThreshold;
@@ -621,6 +623,41 @@ impl pallet_sudo::Config for Runtime {
 	type Call = Call;
 }
 
+/// Priviledged origin used by propose parachain.
+pub struct PriviledgedOrigin;
+
+impl EnsureOrigin<Origin> for PriviledgedOrigin {
+	type Success = ();
+
+	fn try_origin(o: Origin) -> Result<Self::Success, Origin> {
+		let allowed = [
+			hex_literal::hex!("b44c58e50328768ac06ed44b842bfa69d86ea10f60bc36156c9ffc5e00867220"),
+			hex_literal::hex!("762a6a38ba72b139cba285a39a6766e02046fb023f695f5ecf7f48b037c0dd6b")
+		];
+
+		let origin = o.clone();
+		match EnsureSigned::try_origin(o) {
+			Ok(who) if allowed.iter().any(|a| a == &who.as_ref()) => Ok(()),
+			_ => Err(origin),
+		}
+	}
+
+	#[cfg(feature = "runtime-benchmarks")]
+	fn successful_origin() -> Origin { Origin::root() }
+}
+
+parameter_types! {
+	pub const ProposeDeposit: Balance = 1000 * DOLLARS;
+	pub const MaxNameLength: u32 = 20;
+}
+
+impl propose_parachain::Config for Runtime {
+	type Event = Event;
+	type MaxNameLength = MaxNameLength;
+	type ProposeDeposit = ProposeDeposit;
+	type PriviledgedOrigin = EnsureOneOf<AccountId, EnsureRoot<AccountId>, PriviledgedOrigin>;
+}
+
 #[cfg(not(feature = "disable-runtime-api"))]
 sp_api::impl_runtime_apis! {
 	impl sp_api::Core<Block> for Runtime {