Add broker pallet to coretime-westend (#3272)

This brings functionality to Westend's Coretime Chain runtime, where
previously it was not much more than a shell.

It is assumed that the Coretime pallet will have the same index in the
Westend runtime as it does in Rococo for the runtime calls.

TODO:
- [x] Generate chainspec
- [x] Regenerate weights
- [x] Check hardcoded RuntimeCall weights against relay weights for
transacts

Aura key generation: https://github.com/paritytech/devops/issues/2725

---------

Co-authored-by: command-bot <>
Co-authored-by: Bastian Köcher <git@kchr.de>
Co-authored-by: Anton Vilhelm Ásgeirsson <antonva@users.noreply.github.com>

cumulus/parachains/runtimes/coretime/coretime-rococo/Cargo.toml

@@ -56,7 +56,6 @@ sp-version = { path = "../../../../../substrate/primitives/version", default-fea
 # Polkadot
 pallet-xcm = { path = "../../../../../polkadot/xcm/pallet-xcm", default-features = false }
 pallet-xcm-benchmarks = { path = "../../../../../polkadot/xcm/pallet-xcm-benchmarks", default-features = false, optional = true }
-polkadot-core-primitives = { path = "../../../../../polkadot/core-primitives", default-features = false }
 polkadot-parachain-primitives = { path = "../../../../../polkadot/parachain", default-features = false }
 polkadot-runtime-common = { path = "../../../../../polkadot/runtime/common", default-features = false }
 rococo-runtime-constants = { path = "../../../../../polkadot/runtime/rococo/constants", default-features = false }
@@ -115,7 +114,6 @@ std = [
 	"pallet-xcm/std",
 	"parachain-info/std",
 	"parachains-common/std",
-	"polkadot-core-primitives/std",
 	"polkadot-parachain-primitives/std",
 	"polkadot-runtime-common/std",
 	"rococo-runtime-constants/std",

cumulus/parachains/runtimes/coretime/coretime-rococo/src/coretime.rs

@@ -29,10 +29,9 @@ use pallet_broker::{CoreAssignment, CoreIndex, CoretimeInterface, PartsOf57600,
 use parachains_common::{AccountId, Balance, BlockNumber};
 use xcm::latest::prelude::*;
 
-// TODO: check AccountId import
 pub struct CreditToCollatorPot;
 impl OnUnbalanced<Credit<AccountId, Balances>> for CreditToCollatorPot {
-	fn on_nonzero_unbalanced(credit: Credit<polkadot_core_primitives::AccountId, Balances>) {
+	fn on_nonzero_unbalanced(credit: Credit<AccountId, Balances>) {
 		let staking_pot = CollatorSelection::account_id();
 		let _ = <Balances as Balanced<_>>::resolve(&staking_pot, credit);
 	}
@@ -81,7 +80,7 @@ pub struct CoretimeAllocator;
 impl CoretimeInterface for CoretimeAllocator {
 	type AccountId = AccountId;
 	type Balance = Balance;
-	type RealyChainBlockNumberProvider = RelaychainDataProvider<Runtime>;
+	type RelayChainBlockNumberProvider = RelaychainDataProvider<Runtime>;
 
 	fn request_core_count(count: CoreIndex) {
 		use crate::coretime::CoretimeProviderCalls::RequestCoreCount;

cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/xcm/mod.rs

@@ -196,7 +196,7 @@ impl<Call> XcmWeightInfo<Call> for CoretimeRococoXcmWeight<Call> {
 		XcmGeneric::<Runtime>::clear_transact_status()
 	}
 	fn universal_origin(_: &Junction) -> Weight {
-		XcmGeneric::<Runtime>::universal_origin()
+		Weight::MAX
 	}
 	fn export_message(_: &NetworkId, _: &Junctions, _: &Xcm<()>) -> Weight {
 		Weight::MAX

cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/xcm/pallet_xcm_benchmarks_generic.rs

@@ -312,16 +312,6 @@ impl<T: frame_system::Config> WeightInfo<T> {
 		// Minimum execution time: 2_082_000 picoseconds.
 		Weight::from_parts(2_144_000, 0)
 	}
-	// Storage: `ParachainInfo::ParachainId` (r:1 w:0)
-	// Proof: `ParachainInfo::ParachainId` (`max_values`: Some(1), `max_size`: Some(4), added: 499, mode: `MaxEncodedLen`)
-	pub fn universal_origin() -> Weight {
-		// Proof Size summary in bytes:
-		//  Measured:  `0`
-		//  Estimated: `1489`
-		// Minimum execution time: 4_275_000 picoseconds.
-		Weight::from_parts(4_381_000, 1489)
-			.saturating_add(T::DbWeight::get().reads(1))
-	}
 	pub fn set_fees_mode() -> Weight {
 		// Proof Size summary in bytes:
 		//  Measured:  `0`