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Add equivocation detector crate and implement clients (#2348) (#2353)

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* Split FinalitySyncPipeline and SourceClient

* Move some logic to finality_base

* Add empty equivocation detection clients

* Add equivocation reporting logic to the source client

* Use convenience trait for SubstrateFinalitySyncPipeline

* Define JustificationVerificationContext for GRANDPA

* Equivocation source client: finality_verification_context()

* Equivocation source client: synced_headers_finality_info()

* reuse HeaderFinalityInfo

* Define EquivocationsFinder

* Fix spellcheck

* Address review comments

* Avoid equivocations lookup errors
This commit is contained in:
Serban Iorga
2023-08-16 08:20:09 +03:00
committed by Bastian Köcher
parent 9bfad80664
commit 48cae06a77
35 changed files with 931 additions and 375 deletions
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bridges/primitives/header-chain/tests/justification/equivocation.rs
+8 -8
View File
@@ -25,19 +25,18 @@ type TestHeader = sp_runtime::testing::Header;
#[test]
fn duplicate_votes_are_not_considered_equivocations() {
let voter_set = voter_set();
let verification_context = verification_context(TEST_GRANDPA_SET_ID);
let base_justification = make_default_justification::<TestHeader>(&test_header(1));
let mut collector =
EquivocationsCollector::new(TEST_GRANDPA_SET_ID, &voter_set, &base_justification).unwrap();
collector.parse_justification(&base_justification.clone()).unwrap();
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 voter_set = voter_set();
let mut base_justification = make_default_justification::<TestHeader>(&test_header(1));
let first_vote = base_justification.commit.precommits[0].clone();
@@ -49,8 +48,9 @@ fn equivocations_are_detected_in_base_justification_redundant_votes() {
);
base_justification.commit.precommits.push(equivocation.clone());
let verification_context = verification_context(TEST_GRANDPA_SET_ID);
let collector =
EquivocationsCollector::new(TEST_GRANDPA_SET_ID, &voter_set, &base_justification).unwrap();
EquivocationsCollector::new(&verification_context, &base_justification).unwrap();
assert_eq!(
collector.into_equivocation_proofs(),
@@ -80,7 +80,6 @@ fn equivocations_are_detected_in_base_justification_redundant_votes() {
#[test]
fn equivocations_are_detected_in_extra_justification_redundant_votes() {
let voter_set = voter_set();
let base_justification = make_default_justification::<TestHeader>(&test_header(1));
let first_vote = base_justification.commit.precommits[0].clone();
@@ -93,9 +92,10 @@ fn equivocations_are_detected_in_extra_justification_redundant_votes() {
);
extra_justification.commit.precommits.push(equivocation.clone());
let verification_context = verification_context(TEST_GRANDPA_SET_ID);
let mut collector =
EquivocationsCollector::new(TEST_GRANDPA_SET_ID, &voter_set, &base_justification).unwrap();
collector.parse_justification(&extra_justification).unwrap();
EquivocationsCollector::new(&verification_context, &base_justification).unwrap();
collector.parse_justifications(&[extra_justification]);
assert_eq!(
collector.into_equivocation_proofs(),