Add a force_unfreeze extrinsic to the disputes module (#3906)

* add a 'force_unfreeze' to the Disputes module

* fmt

* Benchmark Disputes `force_unfreeze` extrinsic (#3908)

* Companion for Generate storage info for pallet babe #9760 (#3831)

* Adding MaxSegmentLength and MaxAuthorities
to pallet babe

* Missed a few to_vec

* Removing `MaxSegmentLength` as not needed anymore

* Adding `MaxAuthorities` to couple of missing place

* Adding missing definition of `MaxAuthorities`

* Adding a missing to_vec

* update Substrate

Co-authored-by: thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: parity-processbot <>

* Benchmark Disputes `force_unfreeze` extrinsic

target pr: #3906
target branch: rh-unfreeze

* Add benchmark to rococo runtime; run benchmark locally

* Revert unintentionally added diff

* Some spacing and comments

* Bump proc-macro-crate from 1.0.0 to 1.1.0 (#3863)

Bumps [proc-macro-crate](https://github.com/bkchr/proc-macro-crate) from 1.0.0 to 1.1.0.
- [Release notes](https://github.com/bkchr/proc-macro-crate/releases)
- [Commits](https://github.com/bkchr/proc-macro-crate/commits)

---
updated-dependencies:
- dependency-name: proc-macro-crate
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump parity-scale-codec from 2.2.0 to 2.3.0 (#3833)

Bumps [parity-scale-codec](https://github.com/paritytech/parity-scale-codec) from 2.2.0 to 2.3.0.
- [Release notes](https://github.com/paritytech/parity-scale-codec/releases)
- [Changelog](https://github.com/paritytech/parity-scale-codec/blob/master/CHANGELOG.md)
- [Commits](https://github.com/paritytech/parity-scale-codec/compare/v2.2...parity-scale-codec-v2.3.0)

---
updated-dependencies:
- dependency-name: parity-scale-codec
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Use super::WeightInfo to try and get CI to compile

* cargo run --quiet --release --features runtime-benchmarks -- benchmark --chain=rococo-dev --steps=50 --repeat=20 --pallet=runtime_parachains::disputes --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --output=./runtime/parachains/src/disputes/weights.rs --header=./file_header.txt

* impl TestWeightInfo; remove weights from runtime_parachains dir

* fmt

* Update test-runtime

Co-authored-by: Georges <georges.dib@gmail.com>
Co-authored-by: thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Parity Bot <admin@parity.io>

Co-authored-by: Zeke Mostov <32168567+emostov@users.noreply.github.com>
Co-authored-by: Georges <georges.dib@gmail.com>
Co-authored-by: thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Parity Bot <admin@parity.io>

polkadot/runtime/parachains/src/disputes.rs

@@ -23,6 +23,7 @@ use crate::{
 };
 use bitvec::{bitvec, order::Lsb0 as BitOrderLsb0};
 use frame_support::{ensure, traits::Get, weights::Weight};
+use frame_system::pallet_prelude::*;
 use parity_scale_codec::{Decode, Encode};
 use primitives::v1::{
 	byzantine_threshold, supermajority_threshold, ApprovalVote, CandidateHash, CompactStatement,
@@ -37,6 +38,11 @@ use sp_runtime::{
 };
 use sp_std::{collections::btree_set::BTreeSet, prelude::*};
 
+#[cfg(feature = "runtime-benchmarks")]
+mod benchmarking;
+
+pub use crate::Origin as ParachainOrigin;
+
 /// Whether the dispute is local or remote.
 #[derive(Encode, Decode, Clone, PartialEq, Eq, RuntimeDebug, TypeInfo)]
 pub enum DisputeLocation {
@@ -212,6 +218,17 @@ impl<T: Config> DisputesHandler<T::BlockNumber> for pallet::Pallet<T> {
 	}
 }
 
+pub trait WeightInfo {
+	fn force_unfreeze() -> Weight;
+}
+
+pub struct TestWeightInfo;
+impl WeightInfo for TestWeightInfo {
+	fn force_unfreeze() -> Weight {
+		0
+	}
+}
+
 pub use pallet::*;
 #[frame_support::pallet]
 pub mod pallet {
@@ -223,6 +240,9 @@ pub mod pallet {
 		type Event: From<Event<Self>> + IsType<<Self as frame_system::Config>::Event>;
 		type RewardValidators: RewardValidators;
 		type PunishValidators: PunishValidators;
+
+		/// Weight information for extrinsics in this pallet.
+		type WeightInfo: WeightInfo;
 	}
 
 	#[pallet::pallet]
@@ -305,6 +325,19 @@ pub mod pallet {
 		/// Too many spam slots used by some specific validator.
 		PotentialSpam,
 	}
+
+	#[pallet::origin]
+	pub type Origin = ParachainOrigin;
+
+	#[pallet::call]
+	impl<T: Config> Pallet<T> {
+		#[pallet::weight(<T as Config>::WeightInfo::force_unfreeze())]
+		pub fn force_unfreeze(origin: OriginFor<T>) -> DispatchResult {
+			ensure_root(origin)?;
+			Frozen::<T>::set(None);
+			Ok(())
+		}
+	}
 }
 
 bitflags::bitflags! {

polkadot/runtime/parachains/src/disputes/benchmarking.rs

@@ -0,0 +1,36 @@
+// Copyright 2021 Parity Technologies (UK) Ltd.
+// This file is part of Polkadot.
+
+// Polkadot is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Polkadot is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+
+use super::*;
+
+use frame_benchmarking::{benchmarks, impl_benchmark_test_suite};
+use frame_system::RawOrigin;
+use sp_runtime::traits::One;
+
+benchmarks! {
+	force_unfreeze {
+		Frozen::<T>::set(Some(One::one()));
+	}: _(RawOrigin::Root)
+	verify {
+		assert!(Frozen::<T>::get().is_none())
+	}
+}
+
+impl_benchmark_test_suite!(
+	Pallet,
+	crate::mock::new_test_ext(Default::default()),
+	crate::mock::Test
+);

polkadot/runtime/parachains/src/mock.rs

@@ -149,6 +149,7 @@ impl crate::disputes::Config for Test {
 	type Event = Event;
 	type RewardValidators = Self;
 	type PunishValidators = Self;
+	type WeightInfo = crate::disputes::TestWeightInfo;
 }
 
 thread_local! {