async def test_host_routing_success():
routers = await set_up_routers()
transports = [["/ip4/127.0.0.1/tcp/0"], ["/ip4/127.0.0.1/tcp/0"]]
transport_disc_opt_list = zip(transports, routers)
(host_a, host_b
) = await set_up_nodes_by_transport_and_disc_opt(transport_disc_opt_list)
# Set routing info
await routers[0].server.set(
host_a.get_id().xor_id,
peer_info_to_str(PeerInfo(host_a.get_id(), host_a.get_addrs())),
)
await routers[1].server.set(
host_b.get_id().xor_id,
peer_info_to_str(PeerInfo(host_b.get_id(), host_b.get_addrs())),
)
# forces to use routing as no addrs are provided
await host_a.connect(PeerInfo(host_b.get_id(), []))
await host_b.connect(PeerInfo(host_a.get_id(), []))
# Clean up
await asyncio.gather(*[host_a.close(), host_b.close()])
routers[0].server.stop()
routers[1].server.stop()
async def test_host_routing_fail():
routers = await set_up_routers()
transports = [["/ip4/127.0.0.1/tcp/0"], ["/ip4/127.0.0.1/tcp/0"]]
transport_disc_opt_list = zip(transports, routers)
(host_a, host_b
) = await set_up_nodes_by_transport_and_disc_opt(transport_disc_opt_list)
host_c = (await
set_up_nodes_by_transport_opt([["/ip4/127.0.0.1/tcp/0"]]))[0]
# Set routing info
await routers[0].server.set(
host_a.get_id().xor_id,
peer_info_to_str(PeerInfo(host_a.get_id(), host_a.get_addrs())),
)
await routers[1].server.set(
host_b.get_id().xor_id,
peer_info_to_str(PeerInfo(host_b.get_id(), host_b.get_addrs())),
)
# routing fails because host_c does not use routing
with pytest.raises(ConnectionFailure):
await host_a.connect(PeerInfo(host_c.get_id(), []))
with pytest.raises(ConnectionFailure):
await host_b.connect(PeerInfo(host_c.get_id(), []))
# Clean up
await asyncio.gather(*[host_a.close(), host_b.close(), host_c.close()])
routers[0].server.stop()
routers[1].server.stop()
async def test_host_routing_success():
host_a, host_b = await set_up_routed_hosts()
# forces to use routing as no addrs are provided
await host_a.connect(PeerInfo(host_b.get_id(), []))
await host_b.connect(PeerInfo(host_a.get_id(), []))
# Clean up
await asyncio.gather(*[host_a.close(), host_b.close()])
async def test_host_routing_fail():
async with RoutedHostFactory.create_batch_and_listen(
2) as routed_hosts, HostFactory.create_batch_and_listen(
1) as basic_hosts:
# routing fails because host_c does not use routing
with pytest.raises(ConnectionFailure):
await routed_hosts[0].connect(PeerInfo(basic_hosts[0].get_id(),
[]))
with pytest.raises(ConnectionFailure):
await routed_hosts[1].connect(PeerInfo(basic_hosts[0].get_id(),
[]))
async def ConnectionPairFactory(
alice_chaindb: AsyncBeaconChainDB = None,
bob_chaindb: AsyncBeaconChainDB = None,
cancel_token: CancelToken = None,
handshake: bool = True,
) -> AsyncIterator[Tuple[Node, Node]]:
if cancel_token is None:
cancel_token = CancelTokenFactory()
alice_kwargs = {}
bob_kwargs = {}
if alice_chaindb is not None:
alice_kwargs["chain__db"] = alice_chaindb.db
if bob_chaindb is not None:
bob_kwargs["chain__db"] = bob_chaindb.db
alice = NodeFactory(cancel_token=cancel_token, **alice_kwargs)
bob = NodeFactory(cancel_token=cancel_token, **bob_kwargs)
async with run_service(alice), run_service(bob):
await asyncio.sleep(0.01)
await alice.host.connect(
PeerInfo(
peer_id=bob.peer_id,
addrs=[bob.listen_maddr],
))
await asyncio.sleep(0.01)
if handshake:
await alice.request_status(bob.peer_id)
await asyncio.sleep(0.01)
yield alice, bob
async def test_host_routing_fail():
host_a, host_b = await set_up_routed_hosts()
basic_host_c = (await
set_up_nodes_by_transport_opt([["/ip4/127.0.0.1/tcp/0"]]
))[0]
# routing fails because host_c does not use routing
with pytest.raises(ConnectionFailure):
await host_a.connect(PeerInfo(basic_host_c.get_id(), []))
with pytest.raises(ConnectionFailure):
await host_b.connect(PeerInfo(basic_host_c.get_id(), []))
# Clean up
await asyncio.gather(
*[host_a.close(), host_b.close(),
basic_host_c.close()])
async def set_up_routed_hosts() -> Tuple[RoutedHost, RoutedHost]:
router_a, router_b = DummyRouter(), DummyRouter()
transport = "/ip4/127.0.0.1/tcp/0"
host_a = await new_node(transport_opt=[transport], disc_opt=router_a)
host_b = await new_node(transport_opt=[transport], disc_opt=router_b)
address = multiaddr.Multiaddr(transport)
await host_a.get_network().listen(address)
await host_b.get_network().listen(address)
mock_routing_table = {
host_a.get_id(): PeerInfo(host_a.get_id(), host_a.get_addrs()),
host_b.get_id(): PeerInfo(host_b.get_id(), host_b.get_addrs()),
}
router_a._routing_table = router_b._routing_table = mock_routing_table
return cast(RoutedHost, host_a), cast(RoutedHost, host_b)
def decode_peerinfo(encoded):
if isinstance(encoded, bytes):
encoded = encoded.decode()
lines = encoded.splitlines()
peer_id = lines[0]
addrs = lines[1:]
peer_data = PeerData()
peer_data.add_addrs(addrs)
return PeerInfo(peer_id, addrs)
async def dial_peer(self, ip: str, port: int, peer_id: ID) -> None:
"""
Dial the peer ``peer_id`` through the IPv4 protocol
"""
await self.host.connect(
PeerInfo(
peer_id=peer_id,
addrs=[make_tcp_ip_maddr(ip, port)],
))
def test_init_():
random_addrs = [random.randint(0, 255) for r in range(4)]
random_id_string = ""
for _ in range(10):
random_id_string += random.SystemRandom().choice(ALPHABETS)
peer_id = ID(random_id_string.encode())
peer_info = PeerInfo(peer_id, random_addrs)
assert peer_info.peer_id == peer_id
assert peer_info.addrs == random_addrs
def _get_peer_info(node: TDaemonOrHost) -> PeerInfo:
peer_info: PeerInfo
if isinstance(node, Daemon):
peer_info = node.peer_info
else: # isinstance(node, IHost)
peer_id = node.get_id()
maddrs = [
node.get_addrs()[0].decapsulate(
Multiaddr(f"/p2p/{peer_id.to_string()}"))
]
peer_info = PeerInfo(peer_id, maddrs)
return peer_info
def test_init_():
peer_data = PeerData()
random_addrs = [random.randint(0, 255) for r in range(4)]
peer_data.add_addrs(random_addrs)
random_id_string = ''
for _ in range(10):
random_id_string += random.SystemRandom().choice(ALPHABETS)
peer_id = ID(random_id_string)
peer_info = PeerInfo(peer_id, peer_data)
assert peer_info.peer_id == peer_id
assert peer_info.addrs == random_addrs
async def dial_peer(self, ip: str, port: int, peer_id: ID) -> None:
"""
Dial the peer ``peer_id`` through the IPv4 protocol
"""
await self.host.connect(
PeerInfo(
peer_id=peer_id,
addrs=[make_tcp_ip_maddr(ip, port)],
))
try:
# TODO: set a time limit on completing saying hello
await self.say_hello(peer_id)
except HandshakeFailure as e:
self.logger.info("HandshakeFailure: %s", str(e))
async def add_peer_from_maddr(self, maddr: Multiaddr) -> None:
"""
Connect to the eth2 peer at ``maddr`` and incorporate them into
our view of the network.
"""
peer_id_encoded = maddr.value_for_protocol("p2p")
peer_id = PeerID.from_base58(peer_id_encoded)
try:
await self.connect(PeerInfo(peer_id=peer_id, addrs=[maddr]))
local_status = self._status_provider()
remote_status = await self.exchange_status(peer_id, local_status)
if self._peer_is_compatible(local_status, remote_status):
self._peers.add(peer_id)
await self._peer_updater(peer_id, remote_status)
else:
await self.disconnect(peer_id)
except Exception as e:
self.logger.exception(e)
async def dial_peer(self, ip: str, port: int, peer_id: ID) -> None:
"""
Dial the peer ``peer_id`` through the IPv4 protocol
"""
try:
maddr = make_tcp_ip_maddr(ip, port)
self.logger.debug("Dialing peer_id %s maddr %s", peer_id, maddr)
await self.host.connect(PeerInfo(
peer_id=peer_id,
addrs=[maddr],
))
except Exception as e:
raise ConnectionRefusedError() from e
try:
# TODO: set a time limit on completing handshake
await self.request_status(peer_id)
except HandshakeFailure as e:
self.logger.info("HandshakeFailure: %s", str(e))
raise ConnectionRefusedError() from e
async def ConnectionPairFactory(
alice_chaindb: AsyncBeaconChainDB = None,
alice_branch: Collection[BaseSignedBeaconBlock] = None,
bob_chaindb: AsyncBeaconChainDB = None,
bob_branch: Collection[BaseSignedBeaconBlock] = None,
genesis_state: BeaconState = None,
alice_event_bus: EndpointAPI = None,
cancel_token: CancelToken = None,
handshake: bool = True,
) -> AsyncIterator[Tuple[Node, Node]]:
if cancel_token is None:
cancel_token = CancelTokenFactory()
alice_kwargs: Dict[str, Any] = {}
bob_kwargs: Dict[str, Any] = {}
if alice_chaindb is not None:
alice_kwargs["chain__db"] = alice_chaindb.db
if alice_branch is not None:
alice_kwargs["chain__branch"] = alice_branch
if bob_chaindb is not None:
bob_kwargs["chain__db"] = bob_chaindb.db
if bob_branch is not None:
bob_kwargs["chain__branch"] = bob_branch
if genesis_state is not None:
alice_kwargs["chain__genesis_state"] = genesis_state
bob_kwargs["chain__genesis_state"] = genesis_state
alice = NodeFactory(
cancel_token=cancel_token, event_bus=alice_event_bus, **alice_kwargs
)
bob = NodeFactory(cancel_token=cancel_token, **bob_kwargs)
async with run_service(alice), run_service(bob):
await asyncio.sleep(0.01)
await alice.host.connect(
PeerInfo(peer_id=bob.peer_id, addrs=[bob.listen_maddr])
)
await asyncio.sleep(0.01)
if handshake:
await alice.request_status(bob.peer_id)
await asyncio.sleep(0.01)
yield alice, bob
async def dial_peer_maddr(self, maddr: Multiaddr, peer_id: ID) -> None:
"""
Dial the peer with given multi-address
"""
self.logger.debug("Dialing peer_id: %s, maddr: %s", peer_id, maddr)
try:
await self.host.connect(
PeerInfo(
peer_id=peer_id,
addrs=[maddr],
)
)
except SwarmException as e:
self.logger.debug("Fail to dial peer_id: %s, maddr: %s, error: %s", peer_id, maddr, e)
raise DialPeerError from e
try:
# TODO: set a time limit on completing handshake
await self.request_status(peer_id)
except HandshakeFailure as e:
self.logger.debug("Fail to handshake with peer_id: %s, error: %s", peer_id, e)
raise DialPeerError from e
self.logger.debug("Successfully connect to peer_id %s maddr %s", peer_id, maddr)
async def test_host_routing_success():
async with RoutedHostFactory.create_batch_and_listen(2) as hosts:
# forces to use routing as no addrs are provided
await hosts[0].connect(PeerInfo(hosts[1].get_id(), []))
await hosts[1].connect(PeerInfo(hosts[0].get_id(), []))
def test_init_no_value():
with pytest.raises(Exception) as _:
#pylint: disable=no-value-for-parameter
PeerInfo()
def peer_info_from_str(string: str) -> PeerInfo:
peer_id, raw_addrs = json.loads(string)
return PeerInfo(ID.from_base58(peer_id),
list(map(lambda a: multiaddr.Multiaddr(a), raw_addrs)))
def _add_peer(self, peer_id: ID, addrs: List[Multiaddr]) -> None:
self._routing_table[peer_id] = PeerInfo(peer_id, addrs)