Newer
Older
let a2 = client.new_block_at(&BlockId::Hash(a1.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a2.clone()).unwrap();
// A2 -> A3
let a3 = client.new_block_at(&BlockId::Hash(a2.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a3.clone()).unwrap();
// A3 -> A4
let a4 = client.new_block_at(&BlockId::Hash(a3.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a4.clone()).unwrap();
// A4 -> A5
let a5 = client.new_block_at(&BlockId::Hash(a4.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a5.clone()).unwrap();
// A1 -> B2
let mut builder = client.new_block_at(&BlockId::Hash(a1.hash()), Default::default()).unwrap();
// this push is required as otherwise B2 has the same hash as A2 and won't get imported
builder.push_transfer(Transfer {
from: AccountKeyring::Alice.into(),
to: AccountKeyring::Ferdie.into(),
amount: 41,
nonce: 0,
}).unwrap();
let b2 = builder.bake().unwrap();
client.import(BlockOrigin::Own, b2.clone()).unwrap();
// B2 -> B3
let b3 = client.new_block_at(&BlockId::Hash(b2.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, b3.clone()).unwrap();
// B3 -> B4
let b4 = client.new_block_at(&BlockId::Hash(b3.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, b4.clone()).unwrap();
// // B2 -> C3
let mut builder = client.new_block_at(&BlockId::Hash(b2.hash()), Default::default()).unwrap();
// this push is required as otherwise C3 has the same hash as B3 and won't get imported
builder.push_transfer(Transfer {
from: AccountKeyring::Alice.into(),
to: AccountKeyring::Ferdie.into(),
amount: 1,
nonce: 1,
}).unwrap();
let c3 = builder.bake().unwrap();
client.import(BlockOrigin::Own, c3.clone()).unwrap();
// A1 -> D2
let mut builder = client.new_block_at(&BlockId::Hash(a1.hash()), Default::default()).unwrap();
// this push is required as otherwise D2 has the same hash as B2 and won't get imported
builder.push_transfer(Transfer {
from: AccountKeyring::Alice.into(),
to: AccountKeyring::Ferdie.into(),
amount: 1,
nonce: 0,
}).unwrap();
let d2 = builder.bake().unwrap();
client.import(BlockOrigin::Own, d2.clone()).unwrap();
let genesis_hash = client.info().chain.genesis_hash;
let uncles1 = client.uncles(a4.hash(), 10).unwrap();
assert_eq!(vec![b2.hash(), d2.hash()], uncles1);
let uncles2 = client.uncles(a4.hash(), 0).unwrap();
assert_eq!(0, uncles2.len());
let uncles3 = client.uncles(a1.hash(), 10).unwrap();
assert_eq!(0, uncles3.len());
let uncles4 = client.uncles(genesis_hash, 10).unwrap();
assert_eq!(0, uncles4.len());
let uncles5 = client.uncles(d2.hash(), 10).unwrap();
assert_eq!(vec![a2.hash(), b2.hash()], uncles5);
let uncles6 = client.uncles(b3.hash(), 1).unwrap();
assert_eq!(vec![c3.hash()], uncles6);
}
fn best_containing_on_longest_chain_with_single_chain_3_blocks() {
// block tree:
// G -> A1 -> A2
let (client, longest_chain_select) = TestClientBuilder::new().build_with_longest_chain();
let a1 = client.new_block(Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a1.clone()).unwrap();
let a2 = client.new_block(Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a2.clone()).unwrap();
let genesis_hash = client.info().chain.genesis_hash;
assert_eq!(a2.hash(), longest_chain_select.finality_target(genesis_hash, None).unwrap().unwrap());
assert_eq!(a2.hash(), longest_chain_select.finality_target(a1.hash(), None).unwrap().unwrap());
assert_eq!(a2.hash(), longest_chain_select.finality_target(a2.hash(), None).unwrap().unwrap());
fn best_containing_on_longest_chain_with_multiple_forks() {
// block tree:
// G -> A1 -> A2 -> A3 -> A4 -> A5
// A1 -> B2 -> B3 -> B4
// B2 -> C3
// A1 -> D2
let (client, longest_chain_select) = TestClientBuilder::new().build_with_longest_chain();
let a1 = client.new_block(Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a1.clone()).unwrap();
let a2 = client.new_block_at(&BlockId::Hash(a1.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a2.clone()).unwrap();
let a3 = client.new_block_at(&BlockId::Hash(a2.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a3.clone()).unwrap();
let a4 = client.new_block_at(&BlockId::Hash(a3.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a4.clone()).unwrap();
let a5 = client.new_block_at(&BlockId::Hash(a4.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a5.clone()).unwrap();
let mut builder = client.new_block_at(&BlockId::Hash(a1.hash()), Default::default()).unwrap();
// this push is required as otherwise B2 has the same hash as A2 and won't get imported
builder.push_transfer(Transfer {
from: AccountKeyring::Alice.into(),
to: AccountKeyring::Ferdie.into(),
amount: 41,
nonce: 0,
}).unwrap();
let b2 = builder.bake().unwrap();
client.import(BlockOrigin::Own, b2.clone()).unwrap();
let b3 = client.new_block_at(&BlockId::Hash(b2.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, b3.clone()).unwrap();
let b4 = client.new_block_at(&BlockId::Hash(b3.hash()), Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, b4.clone()).unwrap();
let mut builder = client.new_block_at(&BlockId::Hash(b2.hash()), Default::default()).unwrap();
// this push is required as otherwise C3 has the same hash as B3 and won't get imported
builder.push_transfer(Transfer {
from: AccountKeyring::Alice.into(),
to: AccountKeyring::Ferdie.into(),
amount: 1,
nonce: 1,
}).unwrap();
let c3 = builder.bake().unwrap();
client.import(BlockOrigin::Own, c3.clone()).unwrap();
let mut builder = client.new_block_at(&BlockId::Hash(a1.hash()), Default::default()).unwrap();
// this push is required as otherwise D2 has the same hash as B2 and won't get imported
builder.push_transfer(Transfer {
from: AccountKeyring::Alice.into(),
to: AccountKeyring::Ferdie.into(),
amount: 1,
nonce: 0,
}).unwrap();
let d2 = builder.bake().unwrap();
client.import(BlockOrigin::Own, d2.clone()).unwrap();
assert_eq!(client.info().chain.best_hash, a5.hash());
let genesis_hash = client.info().chain.genesis_hash;
let leaves = longest_chain_select.leaves().unwrap();
assert!(leaves.contains(&a5.hash()));
assert!(leaves.contains(&b4.hash()));
assert!(leaves.contains(&c3.hash()));
assert!(leaves.contains(&d2.hash()));
assert_eq!(leaves.len(), 4);
// search without restriction
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
assert_eq!(a5.hash(), longest_chain_select.finality_target(
genesis_hash, None).unwrap().unwrap());
assert_eq!(a5.hash(), longest_chain_select.finality_target(
a1.hash(), None).unwrap().unwrap());
assert_eq!(a5.hash(), longest_chain_select.finality_target(
a2.hash(), None).unwrap().unwrap());
assert_eq!(a5.hash(), longest_chain_select.finality_target(
a3.hash(), None).unwrap().unwrap());
assert_eq!(a5.hash(), longest_chain_select.finality_target(
a4.hash(), None).unwrap().unwrap());
assert_eq!(a5.hash(), longest_chain_select.finality_target(
a5.hash(), None).unwrap().unwrap());
assert_eq!(b4.hash(), longest_chain_select.finality_target(
b2.hash(), None).unwrap().unwrap());
assert_eq!(b4.hash(), longest_chain_select.finality_target(
b3.hash(), None).unwrap().unwrap());
assert_eq!(b4.hash(), longest_chain_select.finality_target(
b4.hash(), None).unwrap().unwrap());
assert_eq!(c3.hash(), longest_chain_select.finality_target(
c3.hash(), None).unwrap().unwrap());
assert_eq!(d2.hash(), longest_chain_select.finality_target(
d2.hash(), None).unwrap().unwrap());
// search only blocks with number <= 5. equivalent to without restriction for this scenario
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
assert_eq!(a5.hash(), longest_chain_select.finality_target(
genesis_hash, Some(5)).unwrap().unwrap());
assert_eq!(a5.hash(), longest_chain_select.finality_target(
a1.hash(), Some(5)).unwrap().unwrap());
assert_eq!(a5.hash(), longest_chain_select.finality_target(
a2.hash(), Some(5)).unwrap().unwrap());
assert_eq!(a5.hash(), longest_chain_select.finality_target(
a3.hash(), Some(5)).unwrap().unwrap());
assert_eq!(a5.hash(), longest_chain_select.finality_target(
a4.hash(), Some(5)).unwrap().unwrap());
assert_eq!(a5.hash(), longest_chain_select.finality_target(
a5.hash(), Some(5)).unwrap().unwrap());
assert_eq!(b4.hash(), longest_chain_select.finality_target(
b2.hash(), Some(5)).unwrap().unwrap());
assert_eq!(b4.hash(), longest_chain_select.finality_target(
b3.hash(), Some(5)).unwrap().unwrap());
assert_eq!(b4.hash(), longest_chain_select.finality_target(
b4.hash(), Some(5)).unwrap().unwrap());
assert_eq!(c3.hash(), longest_chain_select.finality_target(
c3.hash(), Some(5)).unwrap().unwrap());
assert_eq!(d2.hash(), longest_chain_select.finality_target(
d2.hash(), Some(5)).unwrap().unwrap());
// search only blocks with number <= 4
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
assert_eq!(a4.hash(), longest_chain_select.finality_target(
genesis_hash, Some(4)).unwrap().unwrap());
assert_eq!(a4.hash(), longest_chain_select.finality_target(
a1.hash(), Some(4)).unwrap().unwrap());
assert_eq!(a4.hash(), longest_chain_select.finality_target(
a2.hash(), Some(4)).unwrap().unwrap());
assert_eq!(a4.hash(), longest_chain_select.finality_target(
a3.hash(), Some(4)).unwrap().unwrap());
assert_eq!(a4.hash(), longest_chain_select.finality_target(
a4.hash(), Some(4)).unwrap().unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a5.hash(), Some(4)).unwrap());
assert_eq!(b4.hash(), longest_chain_select.finality_target(
b2.hash(), Some(4)).unwrap().unwrap());
assert_eq!(b4.hash(), longest_chain_select.finality_target(
b3.hash(), Some(4)).unwrap().unwrap());
assert_eq!(b4.hash(), longest_chain_select.finality_target(
b4.hash(), Some(4)).unwrap().unwrap());
assert_eq!(c3.hash(), longest_chain_select.finality_target(
c3.hash(), Some(4)).unwrap().unwrap());
assert_eq!(d2.hash(), longest_chain_select.finality_target(
d2.hash(), Some(4)).unwrap().unwrap());
// search only blocks with number <= 3
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
assert_eq!(a3.hash(), longest_chain_select.finality_target(
genesis_hash, Some(3)).unwrap().unwrap());
assert_eq!(a3.hash(), longest_chain_select.finality_target(
a1.hash(), Some(3)).unwrap().unwrap());
assert_eq!(a3.hash(), longest_chain_select.finality_target(
a2.hash(), Some(3)).unwrap().unwrap());
assert_eq!(a3.hash(), longest_chain_select.finality_target(
a3.hash(), Some(3)).unwrap().unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a4.hash(), Some(3)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a5.hash(), Some(3)).unwrap());
assert_eq!(b3.hash(), longest_chain_select.finality_target(
b2.hash(), Some(3)).unwrap().unwrap());
assert_eq!(b3.hash(), longest_chain_select.finality_target(
b3.hash(), Some(3)).unwrap().unwrap());
assert_eq!(None, longest_chain_select.finality_target(
b4.hash(), Some(3)).unwrap());
assert_eq!(c3.hash(), longest_chain_select.finality_target(
c3.hash(), Some(3)).unwrap().unwrap());
assert_eq!(d2.hash(), longest_chain_select.finality_target(
d2.hash(), Some(3)).unwrap().unwrap());
// search only blocks with number <= 2
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
assert_eq!(a2.hash(), longest_chain_select.finality_target(
genesis_hash, Some(2)).unwrap().unwrap());
assert_eq!(a2.hash(), longest_chain_select.finality_target(
a1.hash(), Some(2)).unwrap().unwrap());
assert_eq!(a2.hash(), longest_chain_select.finality_target(
a2.hash(), Some(2)).unwrap().unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a3.hash(), Some(2)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a4.hash(), Some(2)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a5.hash(), Some(2)).unwrap());
assert_eq!(b2.hash(), longest_chain_select.finality_target(
b2.hash(), Some(2)).unwrap().unwrap());
assert_eq!(None, longest_chain_select.finality_target(
b3.hash(), Some(2)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
b4.hash(), Some(2)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
c3.hash(), Some(2)).unwrap());
assert_eq!(d2.hash(), longest_chain_select.finality_target(
d2.hash(), Some(2)).unwrap().unwrap());
// search only blocks with number <= 1
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
assert_eq!(a1.hash(), longest_chain_select.finality_target(
genesis_hash, Some(1)).unwrap().unwrap());
assert_eq!(a1.hash(), longest_chain_select.finality_target(
a1.hash(), Some(1)).unwrap().unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a2.hash(), Some(1)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a3.hash(), Some(1)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a4.hash(), Some(1)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a5.hash(), Some(1)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
b2.hash(), Some(1)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
b3.hash(), Some(1)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
b4.hash(), Some(1)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
c3.hash(), Some(1)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
d2.hash(), Some(1)).unwrap());
// search only blocks with number <= 0
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
assert_eq!(genesis_hash, longest_chain_select.finality_target(
genesis_hash, Some(0)).unwrap().unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a1.hash(), Some(0)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a2.hash(), Some(0)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a3.hash(), Some(0)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a4.hash(), Some(0)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
a5.hash(), Some(0)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
b2.hash(), Some(0)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
b3.hash(), Some(0)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
b4.hash(), Some(0)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
c3.hash().clone(), Some(0)).unwrap());
assert_eq!(None, longest_chain_select.finality_target(
d2.hash().clone(), Some(0)).unwrap());
fn best_containing_on_longest_chain_with_max_depth_higher_than_best() {
// block tree:
// G -> A1 -> A2
let (client, longest_chain_select) = TestClientBuilder::new().build_with_longest_chain();
let a1 = client.new_block(Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a1.clone()).unwrap();
let a2 = client.new_block(Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a2.clone()).unwrap();
let genesis_hash = client.info().chain.genesis_hash;
assert_eq!(a2.hash(), longest_chain_select.finality_target(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)),
}
}
}
#[test]
fn import_with_justification() {
use test_client::blockchain::Backend;
let client = test_client::new();
// G -> A1
let a1 = client.new_block(Default::default()).unwrap().bake().unwrap();
client.import(BlockOrigin::Own, a1.clone()).unwrap();
// A1 -> A2
let a2 = client.new_block_at(&BlockId::Hash(a1.hash()), Default::default()).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()), Default::default()).unwrap().bake().unwrap();
client.import_justified(BlockOrigin::Own, a3.clone(), justification.clone()).unwrap();
#[allow(deprecated)]
let blockchain = client.backend().blockchain();
blockchain.last_finalized().unwrap(),
a3.hash(),
);
assert_eq!(
blockchain.justification(BlockId::Hash(a3.hash())).unwrap(),
Some(justification),
);
assert_eq!(
blockchain.justification(BlockId::Hash(a1.hash())).unwrap(),
None,
);
assert_eq!(
blockchain.justification(BlockId::Hash(a2.hash())).unwrap(),
