Exemplo n.º 1
0
def start_networking_peer_in_background(
        args: Any, coinstate: CoinState) -> NetworkingThread:
    print("Starting networking peer in background")
    port: Optional[int] = None if args.dont_listen else args.listening_port
    thread = NetworkingThread(coinstate, port)
    thread.start()
    return thread
Exemplo n.º 2
0
def start_networking_peer_in_background(args, coinstate):
    print("Starting networking peer in background")
    port = None if args.dont_listen else args.listening_port
    thread = NetworkingThread(coinstate, port)
    thread.local_peer.network_manager.disconnected_peers = load_peers()
    thread.start()
    return thread
Exemplo n.º 3
0
def test_main():
    parser = DefaultArgumentParser()
    args = parser.parse_args(args=[])
    configure_logging_from_args(args)

    # Initially were using an empty chain for this test.
    # And then we found that the performance of newer blocks is different!
    # coinstate = CoinState.zero()
    check_chain_dir()
    coinstate = read_chain_from_disk()

    # we need to run in the current thread to profile it
    nt = NetworkingThread(coinstate, port=None)

    def runner():
        started = datetime.now()
        nt.local_peer.running = True
        print("start height = %d" %
              nt.local_peer.chain_manager.coinstate.head().height)
        while (datetime.now() - started).seconds <= 100:
            current_time = int(time())
            nt.local_peer.step_managers(current_time)
            nt.local_peer.handle_selector_events()
        print("final height = %d" %
              nt.local_peer.chain_manager.coinstate.head().height)

    with cProfile.Profile() as pr:
        pr.runcall(runner)
        pr.print_stats()
Exemplo n.º 4
0
def test_broadcast_transaction(caplog, mocker):
    # just testing the basics: is a broadcast transaction stored in the transaction pool on the other side?

    # By turning off transaction-validation, we can use an invalid transaction in this test.
    mocker.patch(
        "skepticoin.networking.peer.validate_non_coinbase_transaction_by_itself"
    )
    mocker.patch(
        "skepticoin.networking.peer.validate_non_coinbase_transaction_in_coinstate"
    )

    caplog.set_level(logging.INFO)

    coinstate = _read_chain_from_disk(5)

    thread_a = NetworkingThread(coinstate, 12412, FakeDiskInterface())
    thread_a.start()

    _try_to_connect('127.0.0.1', 12412)

    thread_b = NetworkingThread(coinstate, 12413, FakeDiskInterface())
    thread_b.local_peer.network_manager.disconnected_peers = load_peers_from_list(
        [('127.0.0.1', 12412, "OUTGOING")])
    thread_b.start()

    previous_hash = coinstate.at_head.block_by_height[0].transactions[0].hash()

    # Not actually a valid transaction (not signed)
    transaction = Transaction(
        inputs=[
            Input(OutputReference(previous_hash, 0), SignableEquivalent())
        ],
        outputs=[Output(10, SECP256k1PublicKey(b'x' * 64))],
    )

    try:
        # give both peers some time to find each other
        start_time = time()
        while True:
            if (len(thread_a.local_peer.network_manager.get_active_peers()) > 0
                    and
                    len(thread_b.local_peer.network_manager.get_active_peers())
                    > 0):
                break

            if time() > start_time + 5:
                print("\n".join(str(r) for r in caplog.records))
                raise Exception("Peers can't connect")

            sleep(0.01)

        # broadcast_transaction... the part that we're testing
        thread_a.local_peer.network_manager.broadcast_transaction(transaction)

        # wait until it's picked up on the other side
        start_time = time()
        while True:
            if len(thread_b.local_peer.chain_manager.transaction_pool) > 0:
                break

            if time() > start_time + 5:
                print("\n".join(str(r) for r in caplog.records))
                raise Exception("Transaction broadcast failed")

            sleep(0.01)

    finally:
        thread_a.stop()
        thread_a.join()

        thread_b.stop()
        thread_b.join()
Exemplo n.º 5
0
def test_ibd_integration(caplog):
    # just testing the basics: if we set up 2 threads, one with a coinstate, and one without, will the chain propagate?

    caplog.set_level(logging.INFO)

    coinstate = _read_chain_from_disk(5)

    thread_a = NetworkingThread(coinstate, 12412, FakeDiskInterface())
    thread_a.start()

    _try_to_connect('127.0.0.1', 12412)

    thread_b = NetworkingThread(CoinState.zero(), 12413, FakeDiskInterface())
    thread_b.local_peer.network_manager.disconnected_peers = load_peers_from_list(
        [('127.0.0.1', 12412, "OUTGOING")])
    thread_b.start()

    try:
        start_time = time()
        while True:
            if thread_b.local_peer.chain_manager.coinstate.head().height == 5:
                break

            if time() > start_time + 5:
                print("\n".join(str(r) for r in caplog.records))
                raise Exception("IBD failed")

            sleep(0.01)

    finally:
        thread_a.stop()
        thread_a.join()

        thread_b.stop()
        thread_b.join()
Exemplo n.º 6
0
def test_broadcast_message_closed_connection_handling(caplog, mocker):
    caplog.set_level(logging.INFO)

    coinstate = _read_chain_from_disk(5)

    thread_a = NetworkingThread(coinstate, 12412, FakeDiskInterface())
    thread_a.start()

    _try_to_connect('127.0.0.1', 12412)

    thread_b = NetworkingThread(coinstate, 12413, FakeDiskInterface())
    thread_b.local_peer.network_manager.disconnected_peers = load_peers_from_list(
        [('127.0.0.1', 12412, "OUTGOING")])
    thread_b.start()

    try:
        # give both peers some time to find each other
        start_time = time()
        while True:
            if (len(thread_a.local_peer.network_manager.get_active_peers()) > 0
                    and
                    len(thread_b.local_peer.network_manager.get_active_peers())
                    > 0):
                break

            if time() > start_time + 5:
                print("\n".join(str(r) for r in caplog.records))
                raise Exception("Peers can't connect")

            sleep(0.01)

        # do a hard disconnect (without going through local_peer.disconnect)
        for remote_peer in thread_a.local_peer.network_manager.get_active_peers(
        ):
            remote_peer.sock.close()

        # broadcast a message
        thread_a.local_peer.network_manager.broadcast_message(
            InventoryMessage([]))

        # the error should have been logged
        assert len([
            r for r in caplog.records
            if 'ChainManager.broadcast_message' in str(r)
        ]) > 0

    finally:
        thread_a.stop()
        thread_a.join()

        thread_b.stop()
        thread_b.join()