def setUp(self):
self.directory = tempfile.mkdtemp()
# Creating random file just to test specific part of code
tempfile.NamedTemporaryFile(dir=self.directory, delete=True)
store = TransactionCompactStorage(self.directory)
reactor = Clock()
super().setUp(TransactionCacheStorage(store, reactor, capacity=5))
def setUp(self):
super().setUp()
store = TransactionMemoryStorage()
self.cache_storage = TransactionCacheStorage(store,
self.clock,
capacity=5)
self.cache_storage._manually_initialize()
self.cache_storage.pre_init()
self.genesis = self.cache_storage.get_all_genesis()
self.genesis_blocks = [tx for tx in self.genesis if tx.is_block]
self.genesis_txs = [tx for tx in self.genesis if not tx.is_block]
# Save genesis metadata
self.cache_storage.save_transaction(self.genesis_txs[0],
only_metadata=True)
self.manager = self.create_peer('testnet',
tx_storage=self.cache_storage,
unlock_wallet=True)
def setUp(self):
store = TransactionMemoryStorage()
reactor = Clock()
super().setUp(TransactionCacheStorage(store, reactor, capacity=5))
def setUp(self):
self.directory = tempfile.mkdtemp()
store = TransactionBinaryStorage(self.directory)
reactor = Clock()
super().setUp(TransactionCacheStorage(store, reactor, capacity=5))
def prepare(self, args: Namespace) -> None:
import hathor
from hathor.conf import HathorSettings
from hathor.manager import HathorManager, TestMode
from hathor.p2p.peer_discovery import BootstrapPeerDiscovery, DNSPeerDiscovery
from hathor.p2p.peer_id import PeerId
from hathor.p2p.utils import discover_hostname
from hathor.transaction import genesis
from hathor.transaction.storage import (
TransactionStorage,
TransactionCacheStorage,
TransactionCompactStorage,
TransactionMemoryStorage,
)
from hathor.wallet import HDWallet, Wallet
settings = HathorSettings()
if args.recursion_limit:
sys.setrecursionlimit(args.recursion_limit)
if not args.peer:
peer_id = PeerId()
else:
data = json.load(open(args.peer, 'r'))
peer_id = PeerId.create_from_json(data)
print('Hathor v{} (genesis {})'.format(hathor.__version__,
genesis.GENESIS_HASH.hex()[:7]))
print('My peer id is', peer_id.id)
def create_wallet():
if args.wallet == 'hd':
print('Using HDWallet')
kwargs = {
'words': args.words,
}
if args.passphrase:
wallet_passphrase = getpass.getpass(
prompt='HD Wallet passphrase:')
kwargs['passphrase'] = wallet_passphrase.encode()
if args.data:
kwargs['directory'] = args.data
return HDWallet(**kwargs)
elif args.wallet == 'keypair':
print('Using KeyPairWallet')
if args.data:
wallet = Wallet(directory=args.data)
else:
wallet = Wallet()
wallet.flush_to_disk_interval = 5 # seconds
if args.unlock_wallet:
wallet_passwd = getpass.getpass(prompt='Wallet password:'******'Invalid type for wallet')
tx_storage: TransactionStorage
if args.data:
wallet_dir = args.data
print('Using Wallet at {}'.format(wallet_dir))
if args.rocksdb_storage:
from hathor.transaction.storage import TransactionRocksDBStorage
tx_dir = os.path.join(args.data, 'tx.db')
tx_storage = TransactionRocksDBStorage(
path=tx_dir, with_index=(not args.cache))
print('Using TransactionRocksDBStorage at {}'.format(tx_dir))
else:
tx_dir = os.path.join(args.data, 'tx')
tx_storage = TransactionCompactStorage(
path=tx_dir, with_index=(not args.cache))
print('Using TransactionCompactStorage at {}'.format(tx_dir))
if args.cache:
tx_storage = TransactionCacheStorage(tx_storage, reactor)
if args.cache_size:
tx_storage.capacity = args.cache_size
if args.cache_interval:
tx_storage.interval = args.cache_interval
print(
'Using TransactionCacheStorage, capacity {}, interval {}s'.
format(tx_storage.capacity, tx_storage.interval))
tx_storage.start()
else:
# if using MemoryStorage, no need to have cache
tx_storage = TransactionMemoryStorage()
print('Using TransactionMemoryStorage')
self.tx_storage = tx_storage
if args.wallet:
self.wallet = create_wallet()
else:
self.wallet = None
if args.hostname and args.auto_hostname:
print('You cannot use --hostname and --auto-hostname together.')
sys.exit(-1)
if not args.auto_hostname:
hostname = args.hostname
else:
print('Trying to discover your hostname...')
hostname = discover_hostname()
if not hostname:
print('Aborting because we could not discover your hostname.')
print('Try again or run without --auto-hostname.')
sys.exit(-1)
print('Hostname discovered and set to {}'.format(hostname))
network = settings.NETWORK_NAME
self.manager = HathorManager(reactor,
peer_id=peer_id,
network=network,
hostname=hostname,
tx_storage=self.tx_storage,
wallet=self.wallet,
wallet_index=args.wallet_index,
stratum_port=args.stratum,
min_block_weight=args.min_block_weight,
ssl=True)
if args.allow_mining_without_peers:
self.manager.allow_mining_without_peers()
dns_hosts = []
if settings.BOOTSTRAP_DNS:
dns_hosts.extend(settings.BOOTSTRAP_DNS)
if args.dns:
dns_hosts.extend(args.dns)
if dns_hosts:
self.manager.add_peer_discovery(DNSPeerDiscovery(dns_hosts))
if args.bootstrap:
self.manager.add_peer_discovery(
BootstrapPeerDiscovery(args.bootstrap))
if args.test_mode_tx_weight:
self.manager.test_mode = TestMode.TEST_TX_WEIGHT
if self.wallet:
self.wallet.test_mode = True
for description in args.listen:
self.manager.add_listen_address(description)
self.start_manager()
self.register_resources(args)
def prepare(self, args: Namespace) -> None:
import hathor
from hathor.cli.util import check_or_exit
from hathor.conf import HathorSettings
from hathor.conf.get_settings import get_settings_module
from hathor.daa import TestMode, _set_test_mode
from hathor.manager import HathorManager
from hathor.p2p.peer_discovery import BootstrapPeerDiscovery, DNSPeerDiscovery
from hathor.p2p.peer_id import PeerId
from hathor.p2p.utils import discover_hostname
from hathor.transaction import genesis
from hathor.transaction.storage import (
TransactionCacheStorage,
TransactionCompactStorage,
TransactionMemoryStorage,
TransactionRocksDBStorage,
TransactionStorage,
)
from hathor.wallet import HDWallet, Wallet
settings = HathorSettings()
settings_module = get_settings_module() # only used for logging its location
self.log = logger.new()
from setproctitle import setproctitle
setproctitle('{}hathor-core'.format(args.procname_prefix))
if args.recursion_limit:
sys.setrecursionlimit(args.recursion_limit)
else:
sys.setrecursionlimit(5000)
try:
import resource
except ModuleNotFoundError:
pass
else:
(nofile_soft, _) = resource.getrlimit(resource.RLIMIT_NOFILE)
if nofile_soft < 256:
print('Maximum number of open file descriptors is too low. Minimum required is 256.')
sys.exit(-2)
if not args.peer:
peer_id = PeerId()
else:
data = json.load(open(args.peer, 'r'))
peer_id = PeerId.create_from_json(data)
python = f'{platform.python_version()}-{platform.python_implementation()}'
self.check_unsafe_arguments(args)
self.log.info(
'hathor-core v{hathor}',
hathor=hathor.__version__,
pid=os.getpid(),
genesis=genesis.GENESIS_HASH.hex()[:7],
my_peer_id=str(peer_id.id),
python=python,
platform=platform.platform(),
settings=settings_module.__file__,
)
def create_wallet():
if args.wallet == 'hd':
kwargs = {
'words': args.words,
}
if args.passphrase:
wallet_passphrase = getpass.getpass(prompt='HD Wallet passphrase:')
kwargs['passphrase'] = wallet_passphrase.encode()
if args.data:
kwargs['directory'] = args.data
return HDWallet(**kwargs)
elif args.wallet == 'keypair':
print('Using KeyPairWallet')
if args.data:
wallet = Wallet(directory=args.data)
else:
wallet = Wallet()
wallet.flush_to_disk_interval = 5 # seconds
if args.unlock_wallet:
wallet_passwd = getpass.getpass(prompt='Wallet password:'******'Invalid type for wallet')
tx_storage: TransactionStorage
if args.memory_storage:
check_or_exit(not args.data, '--data should not be used with --memory-storage')
# if using MemoryStorage, no need to have cache
tx_storage = TransactionMemoryStorage()
assert not args.x_rocksdb_indexes, 'RocksDB indexes require RocksDB data'
self.log.info('with storage', storage_class=type(tx_storage).__name__)
elif args.json_storage:
check_or_exit(args.data, '--data is expected')
assert not args.x_rocksdb_indexes, 'RocksDB indexes require RocksDB data'
tx_storage = TransactionCompactStorage(path=args.data, with_index=(not args.cache))
else:
check_or_exit(args.data, '--data is expected')
if args.rocksdb_storage:
self.log.warn('--rocksdb-storage is now implied, no need to specify it')
cache_capacity = args.rocksdb_cache
use_memory_indexes = not args.x_rocksdb_indexes
tx_storage = TransactionRocksDBStorage(path=args.data, with_index=(not args.cache),
cache_capacity=cache_capacity,
use_memory_indexes=use_memory_indexes)
self.log.info('with storage', storage_class=type(tx_storage).__name__, path=args.data)
if args.cache:
check_or_exit(not args.memory_storage, '--cache should not be used with --memory-storage')
tx_storage = TransactionCacheStorage(tx_storage, reactor)
if args.cache_size:
tx_storage.capacity = args.cache_size
if args.cache_interval:
tx_storage.interval = args.cache_interval
self.log.info('with cache', capacity=tx_storage.capacity, interval=tx_storage.interval)
self.tx_storage = tx_storage
self.log.info('with indexes', indexes_class=type(tx_storage.indexes).__name__)
if args.wallet:
self.wallet = create_wallet()
self.log.info('with wallet', wallet=self.wallet, path=args.data)
else:
self.wallet = None
if args.hostname and args.auto_hostname:
print('You cannot use --hostname and --auto-hostname together.')
sys.exit(-1)
if not args.auto_hostname:
hostname = args.hostname
else:
print('Trying to discover your hostname...')
hostname = discover_hostname()
if not hostname:
print('Aborting because we could not discover your hostname.')
print('Try again or run without --auto-hostname.')
sys.exit(-1)
print('Hostname discovered and set to {}'.format(hostname))
network = settings.NETWORK_NAME
enable_sync_v1 = not args.x_sync_v2_only
enable_sync_v2 = args.x_sync_v2_only or args.x_sync_bridge
self.manager = HathorManager(
reactor,
peer_id=peer_id,
network=network,
hostname=hostname,
tx_storage=self.tx_storage,
wallet=self.wallet,
wallet_index=args.wallet_index,
stratum_port=args.stratum,
ssl=True,
checkpoints=settings.CHECKPOINTS,
enable_sync_v1=enable_sync_v1,
enable_sync_v2=enable_sync_v2,
soft_voided_tx_ids=set(settings.SOFT_VOIDED_TX_IDS),
)
if args.allow_mining_without_peers:
self.manager.allow_mining_without_peers()
if args.x_localhost_only:
self.manager.connections.localhost_only = True
dns_hosts = []
if settings.BOOTSTRAP_DNS:
dns_hosts.extend(settings.BOOTSTRAP_DNS)
if args.dns:
dns_hosts.extend(args.dns)
if dns_hosts:
self.manager.add_peer_discovery(DNSPeerDiscovery(dns_hosts))
if args.bootstrap:
self.manager.add_peer_discovery(BootstrapPeerDiscovery(args.bootstrap))
if args.test_mode_tx_weight:
_set_test_mode(TestMode.TEST_TX_WEIGHT)
if self.wallet:
self.wallet.test_mode = True
if args.x_full_verification:
self.manager._full_verification = True
if args.x_fast_init_beta:
self.log.warn('--x-fast-init-beta is now the default, no need to specify it')
for description in args.listen:
self.manager.add_listen_address(description)
self.start_manager(args)
self.register_resources(args)
class BaseCacheStorageTest(unittest.TestCase):
__test__ = False
def setUp(self):
super().setUp()
store = TransactionMemoryStorage()
self.cache_storage = TransactionCacheStorage(store,
self.clock,
capacity=5)
self.cache_storage._manually_initialize()
self.cache_storage.pre_init()
self.genesis = self.cache_storage.get_all_genesis()
self.genesis_blocks = [tx for tx in self.genesis if tx.is_block]
self.genesis_txs = [tx for tx in self.genesis if not tx.is_block]
# Save genesis metadata
self.cache_storage.save_transaction(self.genesis_txs[0],
only_metadata=True)
self.manager = self.create_peer('testnet',
tx_storage=self.cache_storage,
unlock_wallet=True)
def tearDown(self):
super().tearDown()
def _get_new_tx(self, nonce):
tx = Transaction(nonce=nonce, storage=self.cache_storage)
tx.update_hash()
meta = TransactionMetadata(hash=tx.hash)
tx._metadata = meta
return tx
def test_write_read(self):
txs = [self._get_new_tx(nonce) for nonce in range(2 * CACHE_SIZE)]
for tx in txs:
self.cache_storage.save_transaction(tx)
txs2 = [self.cache_storage.get_transaction(tx.hash) for tx in txs]
self.assertEqual(txs, txs2)
def test_dirty_set(self):
txs = [self._get_new_tx(nonce) for nonce in range(CACHE_SIZE)]
for tx in txs:
self.cache_storage.save_transaction(tx)
for tx in txs:
self.assertIn(tx.hash, self.cache_storage.dirty_txs)
# should flush to disk and empty dirty set
self.cache_storage._flush_to_storage(
self.cache_storage.dirty_txs.copy())
self.assertEqual(0, len(self.cache_storage.dirty_txs))
def test_capacity(self):
# cache should not grow over its capacity
txs = [self._get_new_tx(nonce) for nonce in range(2 * CACHE_SIZE)]
for tx in txs:
self.cache_storage.save_transaction(tx)
self.assertEqual(CACHE_SIZE, len(self.cache_storage.cache))
def test_read_adds_to_cache(self):
# make sure reading also adds to cache, not only writes
txs = [self._get_new_tx(nonce) for nonce in range(2 * CACHE_SIZE)]
for tx in txs:
self.cache_storage.save_transaction(tx)
# by now, tx[0] will already have left the cache
self.assertNotIn(txs[0].hash, self.cache_storage.cache)
# read tx
self.cache_storage.get_transaction(txs[0].hash)
# now it should be in cache
self.assertIn(txs[0].hash, self.cache_storage.cache)
def test_read_moves_to_end(self):
# when we read a tx from cache, it should be moved to the end of cache so it's evicted later
txs = [self._get_new_tx(nonce) for nonce in range(2 * CACHE_SIZE)]
for i in range(CACHE_SIZE):
self.cache_storage.save_transaction(txs[i])
# first tx added would be the first to leave cache if we add one more tx
# let's read it from cache so it goes to the end
self.cache_storage.get_transaction(txs[0].hash)
# add a new tx to cache, so it will evict a tx
self.cache_storage.save_transaction(txs[-1])
# first tx should be in cache
self.assertIn(txs[0].hash, self.cache_storage.cache)
def test_cache_eviction(self):
# tests we're evicting the oldest tx from cache
txs = [self._get_new_tx(nonce) for nonce in range(2 * CACHE_SIZE)]
for i in range(CACHE_SIZE):
self.cache_storage.save_transaction(txs[i])
# next save should evict first tx
self.cache_storage.save_transaction(txs[CACHE_SIZE])
self.assertNotIn(txs[0].hash, self.cache_storage.cache)
self.assertIn(txs[CACHE_SIZE].hash, self.cache_storage.cache)
self.assertEqual(CACHE_SIZE, len(self.cache_storage.cache))
def test_flush_thread(self):
txs = [self._get_new_tx(nonce) for nonce in range(CACHE_SIZE)]
for tx in txs:
self.cache_storage.save_transaction(tx)
for tx in txs:
self.assertIn(tx.hash, self.cache_storage.dirty_txs)
# Flush deferred is not None
self.assertIsNotNone(self.cache_storage.flush_deferred)
last_flush_deferred = self.cache_storage.flush_deferred
self.cache_storage._start_flush_thread()
self.assertEqual(last_flush_deferred,
self.cache_storage.flush_deferred)
# We flush the cache and flush_deferred becomes None
self.cache_storage._cb_flush_thread(
self.cache_storage.dirty_txs.copy())
self.assertIsNone(self.cache_storage.flush_deferred)
# After the interval it becomes not None again
self.clock.advance(10)
self.assertIsNotNone(self.cache_storage.flush_deferred)
# If an err occurs, it will become None again and then not None after the interval
self.cache_storage._err_flush_thread('')
self.assertIsNone(self.cache_storage.flush_deferred)
self.clock.advance(5)
self.assertIsNotNone(self.cache_storage.flush_deferred)
# Remove element from cache to test a part of the code
del self.cache_storage.cache[next(iter(self.cache_storage.dirty_txs))]
self.cache_storage._flush_to_storage(
self.cache_storage.dirty_txs.copy())
def test_topological_sort_dfs(self):
_set_test_mode(TestMode.TEST_ALL_WEIGHT)
add_new_blocks(self.manager, 11, advance_clock=1)
tx = add_new_transactions(self.manager, 1, advance_clock=1)[0]
total = 0
for tx in self.cache_storage._topological_sort_dfs(root=tx,
visited=dict()):
total += 1
self.assertEqual(total, 5)
class BasicTransaction(unittest.TestCase):
def setUp(self):
super().setUp()
store = TransactionMemoryStorage()
self.cache_storage = TransactionCacheStorage(store,
self.clock,
capacity=5)
self.cache_storage._manually_initialize()
self.cache_storage.start()
self.genesis = self.cache_storage.get_all_genesis()
self.genesis_blocks = [tx for tx in self.genesis if tx.is_block]
self.genesis_txs = [tx for tx in self.genesis if not tx.is_block]
# Save genesis metadata
self.cache_storage.save_transaction_deferred(self.genesis_txs[0],
only_metadata=True)
self.manager = self.create_peer('testnet',
tx_storage=self.cache_storage,
unlock_wallet=True)
def tearDown(self):
super().tearDown()
def _get_new_tx(self, nonce):
tx = Transaction(nonce=nonce, storage=self.cache_storage)
tx.update_hash()
meta = TransactionMetadata(hash=tx.hash)
tx._metadata = meta
return tx
def test_write_read(self):
txs = [self._get_new_tx(nonce) for nonce in range(2 * CACHE_SIZE)]
for tx in txs:
self.cache_storage.save_transaction(tx)
txs2 = [self.cache_storage.get_transaction(tx.hash) for tx in txs]
self.assertEqual(txs, txs2)
def test_dirty_set(self):
txs = [self._get_new_tx(nonce) for nonce in range(CACHE_SIZE)]
for tx in txs:
self.cache_storage.save_transaction(tx)
for tx in txs:
self.assertIn(tx.hash, self.cache_storage.dirty_txs)
# should flush to disk and empty dirty set
self.cache_storage._flush_to_storage(
self.cache_storage.dirty_txs.copy())
self.assertEqual(0, len(self.cache_storage.dirty_txs))
def test_capacity(self):
# cache should not grow over its capacity
txs = [self._get_new_tx(nonce) for nonce in range(2 * CACHE_SIZE)]
for tx in txs:
self.cache_storage.save_transaction(tx)
self.assertEqual(CACHE_SIZE, len(self.cache_storage.cache))
def test_read_adds_to_cache(self):
# make sure reading also adds to cache, not only writes
txs = [self._get_new_tx(nonce) for nonce in range(2 * CACHE_SIZE)]
for tx in txs:
self.cache_storage.save_transaction(tx)
# by now, tx[0] will already have left the cache
self.assertNotIn(txs[0].hash, self.cache_storage.cache)
# read tx
self.cache_storage.get_transaction(txs[0].hash)
# now it should be in cache
self.assertIn(txs[0].hash, self.cache_storage.cache)
def test_read_moves_to_end(self):
# when we read a tx from cache, it should be moved to the end of cache so it's evicted later
txs = [self._get_new_tx(nonce) for nonce in range(2 * CACHE_SIZE)]
for i in range(CACHE_SIZE):
self.cache_storage.save_transaction(txs[i])
# first tx added would be the first to leave cache if we add one more tx
# let's read it from cache so it goes to the end
self.cache_storage.get_transaction(txs[0].hash)
# add a new tx to cache, so it will evict a tx
self.cache_storage.save_transaction(txs[-1])
# first tx should be in cache
self.assertIn(txs[0].hash, self.cache_storage.cache)
def test_cache_eviction(self):
# tests we're evicting the oldest tx from cache
txs = [self._get_new_tx(nonce) for nonce in range(2 * CACHE_SIZE)]
for i in range(CACHE_SIZE):
self.cache_storage.save_transaction(txs[i])
# next save should evict first tx
self.cache_storage.save_transaction(txs[CACHE_SIZE])
self.assertNotIn(txs[0].hash, self.cache_storage.cache)
self.assertIn(txs[CACHE_SIZE].hash, self.cache_storage.cache)
self.assertEqual(CACHE_SIZE, len(self.cache_storage.cache))
def test_flush_thread(self):
txs = [self._get_new_tx(nonce) for nonce in range(CACHE_SIZE)]
for tx in txs:
self.cache_storage.save_transaction(tx)
for tx in txs:
self.assertIn(tx.hash, self.cache_storage.dirty_txs)
# Flush deferred is not None
self.assertIsNotNone(self.cache_storage.flush_deferred)
last_flush_deferred = self.cache_storage.flush_deferred
self.cache_storage._start_flush_thread()
self.assertEqual(last_flush_deferred,
self.cache_storage.flush_deferred)
# We flush the cache and flush_deferred becomes None
self.cache_storage._cb_flush_thread(
self.cache_storage.dirty_txs.copy())
self.assertIsNone(self.cache_storage.flush_deferred)
# After the interval it becomes not None again
self.clock.advance(10)
self.assertIsNotNone(self.cache_storage.flush_deferred)
# If an err occurs, it will become None again and then not None after the interval
self.cache_storage._err_flush_thread('')
self.assertIsNone(self.cache_storage.flush_deferred)
self.clock.advance(5)
self.assertIsNotNone(self.cache_storage.flush_deferred)
# Remove element from cache to test a part of the code
del self.cache_storage.cache[next(iter(self.cache_storage.dirty_txs))]
self.cache_storage._flush_to_storage(
self.cache_storage.dirty_txs.copy())
def test_deferred_methods(self):
for _ in self._test_deferred_methods():
pass
@inlineCallbacks
def _test_deferred_methods(self):
# Testing without cloning
self.cache_storage._clone_if_needed = False
block_parents = [tx.hash for tx in self.genesis]
output = TxOutput(
200, bytes.fromhex('1e393a5ce2ff1c98d4ff6892f2175100f2dad049'))
obj = Block(timestamp=MIN_TIMESTAMP,
weight=12,
outputs=[output],
parents=block_parents,
nonce=100781,
storage=self.cache_storage)
obj.resolve()
self.cache_storage.save_transaction_deferred(obj)
loaded_obj1 = yield self.cache_storage.get_transaction_deferred(
obj.hash)
metadata_obj1_def = yield self.cache_storage.get_metadata_deferred(
obj.hash)
metadata_obj1 = obj.get_metadata()
self.assertEqual(metadata_obj1_def, metadata_obj1)
metadata_error = yield self.cache_storage.get_metadata_deferred(
bytes.fromhex(
'0001569c85fffa5782c3979e7d68dce1d8d84772505a53ddd76d636585f3977e'
))
self.assertIsNone(metadata_error)
self.cache_storage._flush_to_storage(
self.cache_storage.dirty_txs.copy())
self.cache_storage.cache = collections.OrderedDict()
loaded_obj2 = yield self.cache_storage.get_transaction_deferred(
obj.hash)
self.assertEqual(loaded_obj1, loaded_obj2)
self.assertTrue(
(yield self.cache_storage.transaction_exists_deferred(obj.hash)))
self.assertFalse((yield self.cache_storage.transaction_exists_deferred(
'0001569c85fffa5782c3979e7d68dce1d8d84772505a53ddd76d636585f3977e')
))
self.assertFalse(
self.cache_storage.transaction_exists(
'0001569c85fffa5782c3979e7d68dce1d8d84772505a53ddd76d636585f3977e'
))
self.assertEqual(obj, loaded_obj1)
self.assertEqual(obj.is_block, loaded_obj1.is_block)
count = yield self.cache_storage.get_count_tx_blocks_deferred()
self.assertEqual(count, 4)
all_transactions = yield self.cache_storage.get_all_transactions_deferred(
)
total = 0
for tx in all_transactions:
total += 1
self.assertEqual(total, 4)
def test_topological_sort_dfs(self):
self.manager.test_mode = TestMode.TEST_ALL_WEIGHT
add_new_blocks(self.manager, 11, advance_clock=1)
tx = add_new_transactions(self.manager, 1, advance_clock=1)[0]
total = 0
for tx in self.cache_storage._topological_sort_dfs(root=tx,
visited=dict()):
total += 1
self.assertEqual(total, 5)