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assert_eq!(a4.hash(), client.best_containing(genesis_hash, Some(4)).unwrap().unwrap());
assert_eq!(a4.hash(), client.best_containing(a1.hash(), Some(4)).unwrap().unwrap());
assert_eq!(a4.hash(), client.best_containing(a2.hash(), Some(4)).unwrap().unwrap());
assert_eq!(a4.hash(), client.best_containing(a3.hash(), Some(4)).unwrap().unwrap());
assert_eq!(a4.hash(), client.best_containing(a4.hash(), Some(4)).unwrap().unwrap());
assert_eq!(None, client.best_containing(a5.hash(), Some(4)).unwrap());
assert_eq!(b4.hash(), client.best_containing(b2.hash(), Some(4)).unwrap().unwrap());
assert_eq!(b4.hash(), client.best_containing(b3.hash(), Some(4)).unwrap().unwrap());
assert_eq!(b4.hash(), client.best_containing(b4.hash(), Some(4)).unwrap().unwrap());
assert_eq!(c3.hash(), client.best_containing(c3.hash(), Some(4)).unwrap().unwrap());
assert_eq!(d2.hash(), client.best_containing(d2.hash(), Some(4)).unwrap().unwrap());
// search only blocks with number <= 3
assert_eq!(a3.hash(), client.best_containing(genesis_hash, Some(3)).unwrap().unwrap());
assert_eq!(a3.hash(), client.best_containing(a1.hash(), Some(3)).unwrap().unwrap());
assert_eq!(a3.hash(), client.best_containing(a2.hash(), Some(3)).unwrap().unwrap());
assert_eq!(a3.hash(), client.best_containing(a3.hash(), Some(3)).unwrap().unwrap());
assert_eq!(None, client.best_containing(a4.hash(), Some(3)).unwrap());
assert_eq!(None, client.best_containing(a5.hash(), Some(3)).unwrap());
assert_eq!(b3.hash(), client.best_containing(b2.hash(), Some(3)).unwrap().unwrap());
assert_eq!(b3.hash(), client.best_containing(b3.hash(), Some(3)).unwrap().unwrap());
assert_eq!(None, client.best_containing(b4.hash(), Some(3)).unwrap());
assert_eq!(c3.hash(), client.best_containing(c3.hash(), Some(3)).unwrap().unwrap());
assert_eq!(d2.hash(), client.best_containing(d2.hash(), Some(3)).unwrap().unwrap());
// search only blocks with number <= 2
assert_eq!(a2.hash(), client.best_containing(genesis_hash, Some(2)).unwrap().unwrap());
assert_eq!(a2.hash(), client.best_containing(a1.hash(), Some(2)).unwrap().unwrap());
assert_eq!(a2.hash(), client.best_containing(a2.hash(), Some(2)).unwrap().unwrap());
assert_eq!(None, client.best_containing(a3.hash(), Some(2)).unwrap());
assert_eq!(None, client.best_containing(a4.hash(), Some(2)).unwrap());
assert_eq!(None, client.best_containing(a5.hash(), Some(2)).unwrap());
assert_eq!(b2.hash(), client.best_containing(b2.hash(), Some(2)).unwrap().unwrap());
assert_eq!(None, client.best_containing(b3.hash(), Some(2)).unwrap());
assert_eq!(None, client.best_containing(b4.hash(), Some(2)).unwrap());
assert_eq!(None, client.best_containing(c3.hash(), Some(2)).unwrap());
assert_eq!(d2.hash(), client.best_containing(d2.hash(), Some(2)).unwrap().unwrap());
// search only blocks with number <= 1
assert_eq!(a1.hash(), client.best_containing(genesis_hash, Some(1)).unwrap().unwrap());
assert_eq!(a1.hash(), client.best_containing(a1.hash(), Some(1)).unwrap().unwrap());
assert_eq!(None, client.best_containing(a2.hash(), Some(1)).unwrap());
assert_eq!(None, client.best_containing(a3.hash(), Some(1)).unwrap());
assert_eq!(None, client.best_containing(a4.hash(), Some(1)).unwrap());
assert_eq!(None, client.best_containing(a5.hash(), Some(1)).unwrap());
assert_eq!(None, client.best_containing(b2.hash(), Some(1)).unwrap());
assert_eq!(None, client.best_containing(b3.hash(), Some(1)).unwrap());
assert_eq!(None, client.best_containing(b4.hash(), Some(1)).unwrap());
assert_eq!(None, client.best_containing(c3.hash(), Some(1)).unwrap());
assert_eq!(None, client.best_containing(d2.hash(), Some(1)).unwrap());
// search only blocks with number <= 0
assert_eq!(genesis_hash, client.best_containing(genesis_hash, Some(0)).unwrap().unwrap());
assert_eq!(None, client.best_containing(a1.hash(), Some(0)).unwrap());
assert_eq!(None, client.best_containing(a2.hash(), Some(0)).unwrap());
assert_eq!(None, client.best_containing(a3.hash(), Some(0)).unwrap());
assert_eq!(None, client.best_containing(a4.hash(), Some(0)).unwrap());
assert_eq!(None, client.best_containing(a5.hash(), Some(0)).unwrap());
assert_eq!(None, client.best_containing(b2.hash(), Some(0)).unwrap());
assert_eq!(None, client.best_containing(b3.hash(), Some(0)).unwrap());
assert_eq!(None, client.best_containing(b4.hash(), Some(0)).unwrap());
assert_eq!(None, client.best_containing(c3.hash().clone(), Some(0)).unwrap());
assert_eq!(None, client.best_containing(d2.hash().clone(), Some(0)).unwrap());
}
#[test]
fn best_containing_with_max_depth_higher_than_best() {
// block tree:
// G -> A1 -> A2
let client = test_client::new();
// G -> A1
let a1 = client.new_block().unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a1.clone()).unwrap();
// A1 -> A2
let a2 = client.new_block().unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a2.clone()).unwrap();
let genesis_hash = client.info().unwrap().chain.genesis_hash;
assert_eq!(a2.hash(), client.best_containing(genesis_hash, Some(10)).unwrap().unwrap());
}
#[test]
fn key_changes_works() {
let (client, _, test_cases) = prepare_client_with_key_changes();
for (index, (begin, end, key, expected_result)) in test_cases.into_iter().enumerate() {
let end = client.block_hash(end).unwrap().unwrap();
let actual_result = client.key_changes(begin, BlockId::Hash(end), &StorageKey(key)).unwrap();
match actual_result == expected_result {
true => (),
false => panic!(format!("Failed test {}: actual = {:?}, expected = {:?}",
index, actual_result, expected_result)),
}
}
}
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#[test]
fn import_with_justification() {
use test_client::blockchain::Backend;
let client = test_client::new();
// G -> A1
let a1 = client.new_block().unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a1.clone()).unwrap();
// A1 -> A2
let a2 = client.new_block_at(&BlockId::Hash(a1.hash())).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a2.clone()).unwrap();
// A2 -> A3
let justification = vec![1, 2, 3];
let a3 = client.new_block_at(&BlockId::Hash(a2.hash())).unwrap().bake().unwrap();
client.import_justified(BlockOrigin::Own, a3.clone(), justification.clone()).unwrap();
assert_eq!(
client.backend().blockchain().last_finalized().unwrap(),
a3.hash(),
);
assert_eq!(
client.backend().blockchain().justification(BlockId::Hash(a3.hash())).unwrap(),
Some(justification),
);
assert_eq!(
client.backend().blockchain().justification(BlockId::Hash(a1.hash())).unwrap(),
None,
);
assert_eq!(
client.backend().blockchain().justification(BlockId::Hash(a2.hash())).unwrap(),
None,
);
}
