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#[test]
fn block_builder_works_with_no_transactions() {
let client = test_client::new();
let builder = client.new_block().unwrap();
client.justify_and_import(BlockOrigin::Own, builder.bake().unwrap()).unwrap();
assert_eq!(client.info().unwrap().chain.best_number, 1);
}
#[test]
fn block_builder_works_with_transactions() {
let client = test_client::new();
let mut builder = client.new_block().unwrap();
builder.push_transfer(Transfer {
from: Keyring::Alice.to_raw_public().into(),
to: Keyring::Ferdie.to_raw_public().into(),
client.justify_and_import(BlockOrigin::Own, builder.bake().unwrap()).unwrap();
assert_eq!(client.info().unwrap().chain.best_number, 1);
assert!(client.state_at(&BlockId::Number(1)).unwrap() != client.state_at(&BlockId::Number(0)).unwrap());
assert_eq!(client.call_api::<_, u64>("balance_of", &Keyring::Alice.to_raw_public()).unwrap(), 958);
assert_eq!(client.call_api::<_, u64>("balance_of", &Keyring::Ferdie.to_raw_public()).unwrap(), 42);
#[test]
fn client_uses_authorities_from_blockchain_cache() {
let client = test_client::new();
test_client::client::in_mem::cache_authorities_at(
client.backend().blockchain(),
Default::default(),
Some(vec![[1u8; 32].into()]));
assert_eq!(client.authorities_at(
&BlockId::Hash(Default::default())).unwrap(),
vec![[1u8; 32].into()]);
}
#[test]
fn block_builder_does_not_include_invalid() {
let client = test_client::new();
let mut builder = client.new_block().unwrap();
builder.push_transfer(Transfer {
from: Keyring::Alice.to_raw_public().into(),
to: Keyring::Ferdie.to_raw_public().into(),
amount: 42,
nonce: 0,
assert!(builder.push_transfer(Transfer {
from: Keyring::Eve.to_raw_public().into(),
to: Keyring::Alice.to_raw_public().into(),
amount: 42,
nonce: 0,
client.justify_and_import(BlockOrigin::Own, builder.bake().unwrap()).unwrap();
assert_eq!(client.info().unwrap().chain.best_number, 1);
assert!(client.state_at(&BlockId::Number(1)).unwrap() != client.state_at(&BlockId::Number(0)).unwrap());
assert_eq!(client.body(&BlockId::Number(1)).unwrap().unwrap().len(), 1)
}
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#[test]
fn best_containing_with_genesis_block() {
// block tree:
// G
let client = test_client::new();
let genesis_hash = client.info().unwrap().chain.genesis_hash;
assert_eq!(genesis_hash.clone(), client.best_containing(genesis_hash.clone(), None).unwrap().unwrap());
}
#[test]
fn best_containing_with_hash_not_found() {
// block tree:
// G
let client = test_client::new();
let uninserted_block = client.new_block().unwrap().bake().unwrap();
assert_eq!(None, client.best_containing(uninserted_block.hash().clone(), None).unwrap());
}
#[test]
fn best_containing_with_single_chain_3_blocks() {
// block tree:
// G -> A1 -> A2
let client = test_client::new();
// G -> A1
let a1 = client.new_block().unwrap().bake().unwrap();
client.justify_and_import(BlockOrigin::Own, a1.clone()).unwrap();
// A1 -> A2
let a2 = client.new_block().unwrap().bake().unwrap();
client.justify_and_import(BlockOrigin::Own, a2.clone()).unwrap();
let genesis_hash = client.info().unwrap().chain.genesis_hash;
assert_eq!(a2.hash(), client.best_containing(genesis_hash, None).unwrap().unwrap());
assert_eq!(a2.hash(), client.best_containing(a1.hash(), None).unwrap().unwrap());
assert_eq!(a2.hash(), client.best_containing(a2.hash(), None).unwrap().unwrap());
}
#[test]
fn best_containing_with_multiple_forks() {
// NOTE: we use the version of the trait from `test_client`
// because that is actually different than the version linked to
// in the test facade crate.
use test_client::blockchain::Backend as BlockchainBackendT;
// block tree:
// G -> A1 -> A2 -> A3 -> A4 -> A5
// A1 -> B2 -> B3 -> B4
// B2 -> C3
// A1 -> D2
let client = test_client::new();
// G -> A1
let a1 = client.new_block().unwrap().bake().unwrap();
client.justify_and_import(BlockOrigin::Own, a1.clone()).unwrap();
// A1 -> A2
let a2 = client.new_block_at(&BlockId::Hash(a1.hash())).unwrap().bake().unwrap();
client.justify_and_import(BlockOrigin::Own, a2.clone()).unwrap();
// A2 -> A3
let a3 = client.new_block_at(&BlockId::Hash(a2.hash())).unwrap().bake().unwrap();
client.justify_and_import(BlockOrigin::Own, a3.clone()).unwrap();
// A3 -> A4
let a4 = client.new_block_at(&BlockId::Hash(a3.hash())).unwrap().bake().unwrap();
client.justify_and_import(BlockOrigin::Own, a4.clone()).unwrap();
// A4 -> A5
let a5 = client.new_block_at(&BlockId::Hash(a4.hash())).unwrap().bake().unwrap();
client.justify_and_import(BlockOrigin::Own, a5.clone()).unwrap();
// A1 -> B2
let mut builder = client.new_block_at(&BlockId::Hash(a1.hash())).unwrap();
// this push is required as otherwise B2 has the same hash as A2 and won't get imported
builder.push_transfer(Transfer {
from: Keyring::Alice.to_raw_public().into(),
to: Keyring::Ferdie.to_raw_public().into(),
amount: 41,
nonce: 0,
}).unwrap();
let b2 = builder.bake().unwrap();
client.justify_and_import(BlockOrigin::Own, b2.clone()).unwrap();
// B2 -> B3
let b3 = client.new_block_at(&BlockId::Hash(b2.hash())).unwrap().bake().unwrap();
client.justify_and_import(BlockOrigin::Own, b3.clone()).unwrap();
// B3 -> B4
let b4 = client.new_block_at(&BlockId::Hash(b3.hash())).unwrap().bake().unwrap();
client.justify_and_import(BlockOrigin::Own, b4.clone()).unwrap();
// // B2 -> C3
let mut builder = client.new_block_at(&BlockId::Hash(b2.hash())).unwrap();
// this push is required as otherwise C3 has the same hash as B3 and won't get imported
builder.push_transfer(Transfer {
from: Keyring::Alice.to_raw_public().into(),
to: Keyring::Ferdie.to_raw_public().into(),
amount: 1,
nonce: 1,
}).unwrap();
let c3 = builder.bake().unwrap();
client.justify_and_import(BlockOrigin::Own, c3.clone()).unwrap();
// A1 -> D2
let mut builder = client.new_block_at(&BlockId::Hash(a1.hash())).unwrap();
// this push is required as otherwise D2 has the same hash as B2 and won't get imported
builder.push_transfer(Transfer {
from: Keyring::Alice.to_raw_public().into(),
to: Keyring::Ferdie.to_raw_public().into(),
amount: 1,
nonce: 0,
}).unwrap();
let d2 = builder.bake().unwrap();
client.justify_and_import(BlockOrigin::Own, d2.clone()).unwrap();
assert_eq!(client.info().unwrap().chain.best_hash, a5.hash());
let genesis_hash = client.info().unwrap().chain.genesis_hash;
let leaves = BlockchainBackendT::leaves(client.backend().blockchain()).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
assert_eq!(a5.hash(), client.best_containing(genesis_hash, None).unwrap().unwrap());
assert_eq!(a5.hash(), client.best_containing(a1.hash(), None).unwrap().unwrap());
assert_eq!(a5.hash(), client.best_containing(a2.hash(), None).unwrap().unwrap());
assert_eq!(a5.hash(), client.best_containing(a3.hash(), None).unwrap().unwrap());
assert_eq!(a5.hash(), client.best_containing(a4.hash(), None).unwrap().unwrap());
assert_eq!(a5.hash(), client.best_containing(a5.hash(), None).unwrap().unwrap());
assert_eq!(b4.hash(), client.best_containing(b2.hash(), None).unwrap().unwrap());
assert_eq!(b4.hash(), client.best_containing(b3.hash(), None).unwrap().unwrap());
assert_eq!(b4.hash(), client.best_containing(b4.hash(), None).unwrap().unwrap());
assert_eq!(c3.hash(), client.best_containing(c3.hash(), None).unwrap().unwrap());
assert_eq!(d2.hash(), client.best_containing(d2.hash(), None).unwrap().unwrap());
// search only blocks with number <= 5. equivalent to without restriction for this scenario
assert_eq!(a5.hash(), client.best_containing(genesis_hash, Some(5)).unwrap().unwrap());
assert_eq!(a5.hash(), client.best_containing(a1.hash(), Some(5)).unwrap().unwrap());
assert_eq!(a5.hash(), client.best_containing(a2.hash(), Some(5)).unwrap().unwrap());
assert_eq!(a5.hash(), client.best_containing(a3.hash(), Some(5)).unwrap().unwrap());
assert_eq!(a5.hash(), client.best_containing(a4.hash(), Some(5)).unwrap().unwrap());
assert_eq!(a5.hash(), client.best_containing(a5.hash(), Some(5)).unwrap().unwrap());
assert_eq!(b4.hash(), client.best_containing(b2.hash(), Some(5)).unwrap().unwrap());
assert_eq!(b4.hash(), client.best_containing(b3.hash(), Some(5)).unwrap().unwrap());
assert_eq!(b4.hash(), client.best_containing(b4.hash(), Some(5)).unwrap().unwrap());
assert_eq!(c3.hash(), client.best_containing(c3.hash(), Some(5)).unwrap().unwrap());
assert_eq!(d2.hash(), client.best_containing(d2.hash(), Some(5)).unwrap().unwrap());
// search only blocks with number <= 4
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());
}