py-libp2p/tests/interop/utils.py

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2019-09-02 18:40:12 +08:00
import asyncio
from typing import Union
from multiaddr import Multiaddr
from libp2p.host.host_interface import IHost
from libp2p.peer.peerinfo import PeerInfo
from .daemon import Daemon
TDaemonOrHost = Union[IHost, Daemon]
async def connect(a: TDaemonOrHost, b: TDaemonOrHost) -> None:
# Type check
err_msg = (
f"Type of type(a)={type(a)} or type(b)={type(b)} is wrong."
"Should be either `IHost` or `Daemon`"
)
assert all(
[isinstance(node, IHost) or isinstance(node, Daemon) for node in (a, b)]
), err_msg
# TODO: Get peer info
peer_info: PeerInfo
if isinstance(b, Daemon):
peer_info = b.peer_info
else: # isinstance(b, IHost)
peer_id = b.get_id()
maddrs = [
b.get_addrs()[0].decapsulate(Multiaddr(f"/p2p/{peer_id.to_string()}"))
]
peer_info = PeerInfo(peer_id, maddrs)
# TODO: connect to peer info
if isinstance(a, Daemon):
await a.control.connect(peer_info.peer_id, peer_info.addrs)
else: # isinstance(b, IHost)
await a.connect(peer_info)
# Allow additional sleep for both side to establish the connection.
await asyncio.sleep(0.01)