Update bridges subtree (#1392)

* Move the bridges subtree under root * Squashed 'bridges/' changes from 277f0d5496..e50398d1c5 e50398d1c5 bridges subtree fixes (#2528) 99af07522d Markdown linter (#1309) (#2526) 733ff0fe7a `polkadot-staging` branch: Use polkadot-sdk dependencies (#2524) e8a59f141e Fix benchmark with new XCM::V3 `MAX_INSTRUCTIONS_TO_DECODE` (#2514) 62b185de15 Backport `polkadot-sdk` changes to `polkadot-staging` (#2518) d9658f4d5b Fix equivocation detection containers startup (#2516) (#2517) d65db28a8f Backport: building images from locally built binaries (#2513) 5fdbaf45f6 Start the equivocation detection loop from the complex relayer (#2507) (#2512) 7fbb67de46 Backport: Implement basic equivocations detection loop (#2375) cb7efe245c Manually update deps in polkadot staging (#2371) d17981fc33 #2351 to polkadot-staging (#2359) git-subtree-dir: bridges git-subtree-split: e50398d1c594e4e96df70b0bd376e565d17e8558 * Reapply diener workspacify * Fix Cargo.toml * Fix test * Adjustments
2026-04-27 06:57:58 +00:00 · 2023-09-11 11:47:45 +03:00
parent fbf5a814f0
commit 142a11ad95
134 changed files with 397 additions and 342 deletions
@@ -0,0 +1,124 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Parity Bridges Common.
+
+// Parity Bridges Common 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.
+
+// Parity Bridges Common 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 Parity Bridges Common.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Tests for Grandpa equivocations collector code.
+
+use bp_header_chain::justification::EquivocationsCollector;
+use bp_test_utils::*;
+use finality_grandpa::Precommit;
+use sp_consensus_grandpa::EquivocationProof;
+
+type TestHeader = sp_runtime::testing::Header;
+
+#[test]
+fn duplicate_votes_are_not_considered_equivocations() {
+	let verification_context = verification_context(TEST_GRANDPA_SET_ID);
+	let base_justification = make_default_justification::<TestHeader>(&test_header(1));
+
+	let mut collector =
+		EquivocationsCollector::new(&verification_context, &base_justification).unwrap();
+	collector.parse_justifications(&[base_justification.clone()]);
+
+	assert_eq!(collector.into_equivocation_proofs().len(), 0);
+}
+
+#[test]
+fn equivocations_are_detected_in_base_justification_redundant_votes() {
+	let mut base_justification = make_default_justification::<TestHeader>(&test_header(1));
+
+	let first_vote = base_justification.commit.precommits[0].clone();
+	let equivocation = signed_precommit::<TestHeader>(
+		&ALICE,
+		header_id::<TestHeader>(1),
+		base_justification.round,
+		TEST_GRANDPA_SET_ID,
+	);
+	base_justification.commit.precommits.push(equivocation.clone());
+
+	let verification_context = verification_context(TEST_GRANDPA_SET_ID);
+	let collector =
+		EquivocationsCollector::new(&verification_context, &base_justification).unwrap();
+
+	assert_eq!(
+		collector.into_equivocation_proofs(),
+		vec![EquivocationProof::new(
+			1,
+			sp_consensus_grandpa::Equivocation::Precommit(finality_grandpa::Equivocation {
+				round_number: 1,
+				identity: ALICE.into(),
+				first: (
+					Precommit {
+						target_hash: first_vote.precommit.target_hash,
+						target_number: first_vote.precommit.target_number
+					},
+					first_vote.signature
+				),
+				second: (
+					Precommit {
+						target_hash: equivocation.precommit.target_hash,
+						target_number: equivocation.precommit.target_number
+					},
+					equivocation.signature
+				)
+			})
+		)]
+	);
+}
+
+#[test]
+fn equivocations_are_detected_in_extra_justification_redundant_votes() {
+	let base_justification = make_default_justification::<TestHeader>(&test_header(1));
+	let first_vote = base_justification.commit.precommits[0].clone();
+
+	let mut extra_justification = base_justification.clone();
+	let equivocation = signed_precommit::<TestHeader>(
+		&ALICE,
+		header_id::<TestHeader>(1),
+		base_justification.round,
+		TEST_GRANDPA_SET_ID,
+	);
+	extra_justification.commit.precommits.push(equivocation.clone());
+
+	let verification_context = verification_context(TEST_GRANDPA_SET_ID);
+	let mut collector =
+		EquivocationsCollector::new(&verification_context, &base_justification).unwrap();
+	collector.parse_justifications(&[extra_justification]);
+
+	assert_eq!(
+		collector.into_equivocation_proofs(),
+		vec![EquivocationProof::new(
+			1,
+			sp_consensus_grandpa::Equivocation::Precommit(finality_grandpa::Equivocation {
+				round_number: 1,
+				identity: ALICE.into(),
+				first: (
+					Precommit {
+						target_hash: first_vote.precommit.target_hash,
+						target_number: first_vote.precommit.target_number
+					},
+					first_vote.signature
+				),
+				second: (
+					Precommit {
+						target_hash: equivocation.precommit.target_hash,
+						target_number: equivocation.precommit.target_number
+					},
+					equivocation.signature
+				)
+			})
+		)]
+	);
+}