New Pallet: Root offences (#11943)

* root-offences pallet * fix errors * cleaned up a bit * remove unwrap() * new pallet is getting compiled * remove unnecessary type annotations * remove more unnecessary type annotations * addidtional cleaning * commit * cleaned up * fix in logic * add event * removed Clone trait from AccountId * test module * remove unused imports * fmt * fix * separate into functions, still messy * test * first test * fmt * cleaned up a bit * separate into mock.rs and tests.rs * basic docs for now * pallet_staking GenesisiConfig * fix * added start_session * passing tests * impl GenesisConfig for pallet_session * updated event * Update frame/root-offences/src/lib.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * Update frame/root-offences/src/lib.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * remove <T: Config * specifying trait bounds inside Config * commit * active era increases correctly :) * ExtBuilder * slashing works * new test * additional test * commit * order * fix? * fix in logic * remove unnecessary * wrap comment at 100 * fmt * merge fixes * Update frame/root-offences/src/lib.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * Update frame/root-offences/src/lib.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * docs * Update frame/root-offences/README.md Co-authored-by: Andronik <write@reusable.software> * Update frame/root-offences/Cargo.toml Co-authored-by: Andronik <write@reusable.software> * license header Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> Co-authored-by: Andronik <write@reusable.software>
2026-04-28 02:48:03 +00:00 · 2022-09-28 22:04:14 +02:00
parent bcf38c89a2
commit ea43466879
8 changed files with 661 additions and 1 deletions
@@ -0,0 +1,94 @@
+// This file is part of Substrate.
+
+// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use super::*;
+use frame_support::{assert_err, assert_ok};
+use mock::{active_era, start_session, Balances, ExtBuilder, RootOffences, RuntimeOrigin, System};
+
+#[test]
+fn create_offence_fails_given_signed_origin() {
+	use sp_runtime::traits::BadOrigin;
+	ExtBuilder::default().build_and_execute(|| {
+		let offenders = (&[]).to_vec();
+		assert_err!(RootOffences::create_offence(RuntimeOrigin::signed(1), offenders), BadOrigin);
+	})
+}
+
+#[test]
+fn create_offence_works_given_root_origin() {
+	ExtBuilder::default().build_and_execute(|| {
+		start_session(1);
+
+		assert_eq!(active_era(), 0);
+
+		assert_eq!(Balances::free_balance(11), 1000);
+
+		let offenders = [(11, Perbill::from_percent(50))].to_vec();
+		assert_ok!(RootOffences::create_offence(RuntimeOrigin::root(), offenders.clone()));
+
+		System::assert_last_event(Event::OffenceCreated { offenders }.into());
+		// the slash should be applied right away.
+		assert_eq!(Balances::free_balance(11), 500);
+
+		// the other validator should keep his balance, because we only created
+		// an offences for the first validator.
+		assert_eq!(Balances::free_balance(21), 1000);
+	})
+}
+
+#[test]
+fn create_offence_wont_slash_non_active_validators() {
+	ExtBuilder::default().build_and_execute(|| {
+		start_session(1);
+
+		assert_eq!(active_era(), 0);
+
+		// 31 is not an active validator.
+		assert_eq!(Balances::free_balance(31), 500);
+
+		let offenders = [(31, Perbill::from_percent(20)), (11, Perbill::from_percent(20))].to_vec();
+		assert_ok!(RootOffences::create_offence(RuntimeOrigin::root(), offenders.clone()));
+
+		System::assert_last_event(Event::OffenceCreated { offenders }.into());
+
+		// so 31 didn't get slashed.
+		assert_eq!(Balances::free_balance(31), 500);
+
+		// but 11 is an active validator so he got slashed.
+		assert_eq!(Balances::free_balance(11), 800);
+	})
+}
+
+#[test]
+fn create_offence_wont_slash_idle() {
+	ExtBuilder::default().build_and_execute(|| {
+		start_session(1);
+
+		assert_eq!(active_era(), 0);
+
+		// 41 is idle.
+		assert_eq!(Balances::free_balance(41), 1000);
+
+		let offenders = [(41, Perbill::from_percent(50))].to_vec();
+		assert_ok!(RootOffences::create_offence(RuntimeOrigin::root(), offenders.clone()));
+
+		System::assert_last_event(Event::OffenceCreated { offenders }.into());
+
+		// 41 didn't get slashed.
+		assert_eq!(Balances::free_balance(41), 1000);
+	})
+}