Metadata v14 (companion to #3336) (#564)

* Remove event pallet::metadata attributes

* Add scale-info deps, TypeInfo derives, update call variants

* Update metadata runtime APIs

* Add missing scale_info dependency, update rococo runtime API

* Add missing scale_info dependency

* Remove pushed diener patches

* Cargo.lock

* Add missing scale-info dependencies

* Fixes

* Statemint runtime fixes

* Call struct variant empty matches

* Add missing scale-info dependency

* Fixes

* scale-info 1.0

* cargo update -p xcm

* update lock

* Update Cargo.lock

* update to latest polkadot

* remove rpc_http_threads

https://github.com/paritytech/substrate/pull/9737

* replace task executor with tokio handler

https://github.com/paritytech/substrate/pull/9737

* fix test compilation?

* Update Cargo.lock

* cargo update

* remove unused

* Update substrate and polkadot

* Update test/client/src/lib.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

pallets/xcm/src/lib.rs

@@ -24,6 +24,7 @@ use sp_std::{prelude::*, convert::TryFrom};
 use cumulus_primitives_core::{ParaId, DmpMessageHandler};
 use cumulus_primitives_core::relay_chain::BlockNumber as RelayBlockNumber;
 use codec::{Encode, Decode};
+use scale_info::TypeInfo;
 use sp_runtime::traits::BadOrigin;
 use xcm::{VersionedXcm, latest::{Xcm, Outcome, Parent, ExecuteXcm}};
 use frame_support::dispatch::Weight;
@@ -60,7 +61,6 @@ pub mod pallet {
 
 	#[pallet::event]
 	#[pallet::generate_deposit(pub(super) fn deposit_event)]
-	#[pallet::metadata(T::BlockNumber = "BlockNumber")]
 	pub enum Event<T: Config> {
 		/// Downward message is invalid XCM.
 		/// \[ id \]
@@ -74,7 +74,7 @@ pub mod pallet {
 	}
 
 	/// Origin for the parachains module.
-	#[derive(PartialEq, Eq, Clone, Encode, Decode)]
+	#[derive(PartialEq, Eq, Clone, Encode, Decode, TypeInfo)]
 	#[cfg_attr(feature = "std", derive(Debug))]
 	#[pallet::origin]
 	pub enum Origin {