async def dial(self, maddr, self_id, options=None):
"""
dial a transport to peer listening on multiaddr
:param maddr: multiaddr of peer
:param self_id: peer_id of the dialer (to send to receiver)
:param options: optional object
:return: True if successful
"""
host = maddr.value_for_protocol('ip4')
port = int(maddr.value_for_protocol('tcp'))
reader, writer = await asyncio.open_connection(host, port)
# First: send our peer ID so receiver knows it
writer.write(id_b58_encode(self_id).encode())
await writer.drain()
# Await ack for peer id
expected_ack_str = "received peer id"
ack = (await reader.read(len(expected_ack_str))).decode()
if ack != expected_ack_str:
raise Exception("Receiver did not receive peer id")
return RawConnection(host, port, reader, writer, True)
def test_id_b58_encode():
random_id_string = ''
for _ in range(10):
random_id_string += random.SystemRandom().choice(ALPHABETS)
expected = base58.b58encode(random_id_string).decode()
actual = id_b58_encode(ID(random_id_string))
assert actual == expected