188 lines
9.9 KiB
Python
188 lines
9.9 KiB
Python
import asyncio
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import aiorpcx
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from electrum.interface import ServerAddr, Interface, PaddedRSTransport
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from electrum import util, blockchain
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from electrum.util import OldTaskGroup, bfh
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from electrum.logging import Logger
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from electrum.simple_config import SimpleConfig
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from . import ElectrumTestCase
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class TestServerAddr(ElectrumTestCase):
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def test_from_str(self):
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self.assertEqual(ServerAddr(host="104.198.149.61", port=80, protocol="t"),
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ServerAddr.from_str("104.198.149.61:80:t"))
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self.assertEqual(ServerAddr(host="ecdsa.net", port=110, protocol="s"),
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ServerAddr.from_str("ecdsa.net:110:s"))
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self.assertEqual(ServerAddr(host="2400:6180:0:d1::86b:e001", port=50002, protocol="s"),
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ServerAddr.from_str("[2400:6180:0:d1::86b:e001]:50002:s"))
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self.assertEqual(ServerAddr(host="localhost", port=8080, protocol="s"),
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ServerAddr.from_str("localhost:8080:s"))
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def test_from_str_with_inference(self):
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self.assertEqual(None, ServerAddr.from_str_with_inference("104.198.149.61"))
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self.assertEqual(None, ServerAddr.from_str_with_inference("ecdsa.net"))
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self.assertEqual(None, ServerAddr.from_str_with_inference("2400:6180:0:d1::86b:e001"))
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self.assertEqual(None, ServerAddr.from_str_with_inference("[2400:6180:0:d1::86b:e001]"))
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self.assertEqual(ServerAddr(host="104.198.149.61", port=80, protocol="s"),
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ServerAddr.from_str_with_inference("104.198.149.61:80"))
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self.assertEqual(ServerAddr(host="ecdsa.net", port=110, protocol="s"),
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ServerAddr.from_str_with_inference("ecdsa.net:110"))
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self.assertEqual(ServerAddr(host="2400:6180:0:d1::86b:e001", port=50002, protocol="s"),
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ServerAddr.from_str_with_inference("[2400:6180:0:d1::86b:e001]:50002"))
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self.assertEqual(ServerAddr(host="104.198.149.61", port=80, protocol="t"),
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ServerAddr.from_str_with_inference("104.198.149.61:80:t"))
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self.assertEqual(ServerAddr(host="ecdsa.net", port=110, protocol="s"),
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ServerAddr.from_str_with_inference("ecdsa.net:110:s"))
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self.assertEqual(ServerAddr(host="2400:6180:0:d1::86b:e001", port=50002, protocol="s"),
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ServerAddr.from_str_with_inference("[2400:6180:0:d1::86b:e001]:50002:s"))
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def test_to_friendly_name(self):
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self.assertEqual("104.198.149.61:80:t",
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ServerAddr(host="104.198.149.61", port=80, protocol="t").to_friendly_name())
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self.assertEqual("ecdsa.net:110",
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ServerAddr(host="ecdsa.net", port=110, protocol="s").to_friendly_name())
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self.assertEqual("ecdsa.net:50001:t",
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ServerAddr(host="ecdsa.net", port=50001, protocol="t").to_friendly_name())
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self.assertEqual("[2400:6180:0:d1::86b:e001]:50002",
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ServerAddr(host="2400:6180:0:d1::86b:e001", port=50002, protocol="s").to_friendly_name())
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self.assertEqual("[2400:6180:0:d1::86b:e001]:50001:t",
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ServerAddr(host="2400:6180:0:d1::86b:e001", port=50001, protocol="t").to_friendly_name())
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class MockNetwork:
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def __init__(self, *, config: SimpleConfig):
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self.config = config
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self.asyncio_loop = util.get_asyncio_loop()
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self.taskgroup = OldTaskGroup()
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blockchain.read_blockchains(self.config)
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blockchain.init_headers_file_for_best_chain()
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self.proxy = None
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self.debug = True
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self.bhi_lock = asyncio.Lock()
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async def connection_down(self, interface: Interface):
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pass
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def get_network_timeout_seconds(self, request_type) -> int:
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return 10
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def check_interface_against_healthy_spread_of_connected_servers(self, iface_to_check: Interface) -> bool:
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return True
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def update_fee_estimates(self, *, fee_est: dict[int, int] = None):
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pass
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async def switch_unwanted_fork_interface(self):
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pass
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async def switch_lagging_interface(self):
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pass
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# regtest chain:
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BLOCK_HEADERS = {
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0: bfh("0100000000000000000000000000000000000000000000000000000000000000000000003ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4adae5494dffff7f2002000000"),
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1: bfh("0000002006226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f186c8dfd970a4545f79916bc1d75c9d00432f57c89209bf3bb115b7612848f509c25f45bffff7f2000000000"),
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2: bfh("00000020686bdfc6a3db73d5d93e8c9663a720a26ecb1ef20eb05af11b36cdbc57c19f7ebf2cbf153013a1c54abaf70e95198fcef2f3059cc6b4d0f7e876808e7d24d11cc825f45bffff7f2000000000"),
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3: bfh("00000020122baa14f3ef54985ae546d1611559e3f487bd2a0f46e8dbb52fbacc9e237972e71019d7feecd9b8596eca9a67032c5f4641b23b5d731dc393e37de7f9c2f299e725f45bffff7f2000000000"),
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4: bfh("00000020f8016f7ef3a17d557afe05d4ea7ab6bde1b2247b7643896c1b63d43a1598b747a3586da94c71753f27c075f57f44faf913c31177a0957bbda42e7699e3a2141aed25f45bffff7f2001000000"),
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5: bfh("000000201d589c6643c1d121d73b0573e5ee58ab575b8fdf16d507e7e915c5fbfbbfd05e7aee1d692d1615c3bdf52c291032144ce9e3b258a473c17c745047f3431ff8e2ee25f45bffff7f2000000000"),
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6: bfh("00000020b833ed46eea01d4c980f59feee44a66aa1162748b6801029565d1466790c405c3a141ce635cbb1cd2b3a4fcdd0a3380517845ba41736c82a79cab535d31128066526f45bffff7f2001000000"),
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7: bfh("00000020abe8e119d1877c9dc0dc502d1a253fb9a67967c57732d2f71ee0280e8381ff0a9690c2fe7c1a4450c74dc908fe94dd96c3b0637d51475e9e06a78e944a0c7fe28126f45bffff7f2000000000"),
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8: bfh("000000202ce41d94eb70e1518bc1f72523f84a903f9705d967481e324876e1f8cf4d3452148be228a4c3f2061bafe7efdfc4a8d5a94759464b9b5c619994d45dfcaf49e1a126f45bffff7f2000000000"),
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9: bfh("00000020552755b6c59f3d51e361d16281842a4e166007799665b5daed86a063dd89857415681cb2d00ff889193f6a68a93f5096aeb2d84ca0af6185a462555822552221a626f45bffff7f2000000000"),
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10: bfh("00000020a13a491cbefc93cd1bb1938f19957e22a134faf14c7dee951c45533e2c750f239dc087fc977b06c24a69c682d1afd1020e6dc1f087571ccec66310a786e1548fab26f45bffff7f2000000000"),
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11: bfh("00000020dbf3a9b55dfefbaf8b6e43a89cf833fa2e208bbc0c1c5d76c0d71b9e4a65337803b243756c25053253aeda309604363460a3911015929e68705bd89dff6fe064b026f45bffff7f2002000000"),
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12: bfh("000000203d0932b3b0c78eccb39a595a28ae4a7c966388648d7783fd1305ec8d40d4fe5fd67cb902a7d807cee7676cb543feec3e053aa824d5dfb528d5b94f9760313d9db726f45bffff7f2001000000"),
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}
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_active_server_sessions = set()
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def _get_active_server_session() -> 'ServerSession':
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assert 1 == len(_active_server_sessions), len(_active_server_sessions)
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return list(_active_server_sessions)[0]
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class ServerSession(aiorpcx.RPCSession, Logger):
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def __init__(self, *args, **kwargs):
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aiorpcx.RPCSession.__init__(self, *args, **kwargs)
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Logger.__init__(self)
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self.logger.debug(f'connection from {self.remote_address()}')
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self.cur_height = 6 # type: int # chain tip
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_active_server_sessions.add(self)
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async def connection_lost(self):
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await super().connection_lost()
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self.logger.debug(f'{self.remote_address()} disconnected')
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_active_server_sessions.discard(self)
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async def handle_request(self, request):
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handlers = {
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'server.version': self._handle_server_version,
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'blockchain.estimatefee': self._handle_estimatefee,
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'blockchain.headers.subscribe': self._handle_headers_subscribe,
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'blockchain.block.header': self._handle_block_header,
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'blockchain.block.headers': self._handle_block_headers,
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'server.ping': self._handle_ping,
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}
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handler = handlers.get(request.method)
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coro = aiorpcx.handler_invocation(handler, request)()
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return await coro
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async def _handle_server_version(self, client_name='', protocol_version=None):
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return ['best_server_impl/0.1', '1.4']
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async def _handle_estimatefee(self, number, mode=None):
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return 1000
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async def _handle_headers_subscribe(self):
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return {'hex': BLOCK_HEADERS[self.cur_height].hex(), 'height': self.cur_height}
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async def _handle_block_header(self, height):
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return BLOCK_HEADERS[height].hex()
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async def _handle_block_headers(self, start_height, count):
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assert start_height <= self.cur_height, (start_height, self.cur_height)
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last_height = min(start_height+count-1, self.cur_height) # [start_height, last_height]
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count = last_height - start_height + 1
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headers = b"".join(BLOCK_HEADERS[idx] for idx in range(start_height, last_height+1))
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return {'hex': headers.hex(), 'count': count, 'max': 2016}
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async def _handle_ping(self):
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return None
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class TestInterface(ElectrumTestCase):
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REGTEST = True
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def setUp(self):
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super().setUp()
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self.config = SimpleConfig({'electrum_path': self.electrum_path})
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self._orig_WAIT_FOR_BUFFER_GROWTH_SECONDS = PaddedRSTransport.WAIT_FOR_BUFFER_GROWTH_SECONDS
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PaddedRSTransport.WAIT_FOR_BUFFER_GROWTH_SECONDS = 0
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def tearDown(self):
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PaddedRSTransport.WAIT_FOR_BUFFER_GROWTH_SECONDS = self._orig_WAIT_FOR_BUFFER_GROWTH_SECONDS
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super().tearDown()
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async def asyncSetUp(self):
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await super().asyncSetUp()
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self._server: asyncio.base_events.Server = await aiorpcx.serve_rs(ServerSession, "127.0.0.1")
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server_socket_addr = self._server.sockets[0].getsockname()
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self._server_port = server_socket_addr[1]
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self.network = MockNetwork(config=self.config)
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async def asyncTearDown(self):
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self._server.close()
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await super().asyncTearDown()
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async def test_client_syncs_headers_to_tip(self):
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interface = Interface(network=self.network, server=ServerAddr(host="127.0.0.1", port=self._server_port, protocol="t"))
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self.network.interface = interface
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await util.wait_for2(interface.ready, 5)
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await interface._blockchain_updated.wait()
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self.assertEqual(_get_active_server_session().cur_height, interface.tip)
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self.assertFalse(interface.got_disconnected.is_set())
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