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// Copyright 2020 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 Justification code.
use bp_header_chain::justification::{verify_justification, Error, GrandpaJustification};
use bp_test_utils::*;
use codec::Encode;
type TestHeader = sp_runtime::testing::Header;
fn make_justification_for_header_1() -> GrandpaJustification<TestHeader> {
make_justification_for_header(
&test_header(1),
TEST_GRANDPA_ROUND,
TEST_GRANDPA_SET_ID,
&authority_list(),
)
}
#[test]
fn justification_with_invalid_encoding_rejected() {
assert_eq!(
verify_justification::<TestHeader>(header_id::<TestHeader>(1), TEST_GRANDPA_SET_ID, voter_set(), &[],),
Err(Error::JustificationDecode),
);
}
#[test]
fn justification_with_invalid_target_rejected() {
assert_eq!(
verify_justification::<TestHeader>(
header_id::<TestHeader>(2),
TEST_GRANDPA_SET_ID,
voter_set(),
&make_justification_for_header_1().encode(),
),
Err(Error::InvalidJustificationTarget),
);
}
#[test]
fn justification_with_invalid_commit_rejected() {
let mut justification = make_justification_for_header_1();
justification.commit.precommits.clear();
assert_eq!(
verify_justification::<TestHeader>(
header_id::<TestHeader>(1),
TEST_GRANDPA_SET_ID,
voter_set(),
&justification.encode(),
),
Err(Error::InvalidJustificationCommit),
);
}
#[test]
fn justification_with_invalid_authority_signature_rejected() {
let mut justification = make_justification_for_header_1();
justification.commit.precommits[0].signature = Default::default();
assert_eq!(
verify_justification::<TestHeader>(
header_id::<TestHeader>(1),
TEST_GRANDPA_SET_ID,
voter_set(),
&justification.encode(),
),
Err(Error::InvalidAuthoritySignature),
);
}
#[test]
fn justification_with_invalid_precommit_ancestry() {
let mut justification = make_justification_for_header_1();
justification.votes_ancestries.push(test_header(10));
assert_eq!(
verify_justification::<TestHeader>(
header_id::<TestHeader>(1),
TEST_GRANDPA_SET_ID,
voter_set(),
&justification.encode(),
),
Err(Error::InvalidPrecommitAncestries),
);
}
#[test]
fn valid_justification_accepted() {
assert_eq!(
verify_justification::<TestHeader>(
header_id::<TestHeader>(1),
TEST_GRANDPA_SET_ID,
voter_set(),
&make_justification_for_header_1().encode(),
),
Ok(()),
);
}