Exemple #1
0
    def _run_app(self):
        from raiden.ui.console import Console
        from raiden.api.python import RaidenAPI

        # this catches exceptions raised when waiting for the stalecheck to complete
        try:
            app_ = run_app(**self._options)
        except EthNodeCommunicationError:
            print(
                '\n'
                'Could not contact the ethereum node through JSON-RPC.\n'
                'Please make sure that JSON-RPC is enabled for these interfaces:\n'
                '\n'
                '    eth_*, net_*, web3_*\n'
                '\n'
                'geth: https://github.com/ethereum/go-ethereum/wiki/Management-APIs\n',
            )
            sys.exit(1)

        domain_list = []
        if self._options['rpccorsdomain']:
            if ',' in self._options['rpccorsdomain']:
                for domain in self._options['rpccorsdomain'].split(','):
                    domain_list.append(str(domain))
            else:
                domain_list.append(str(self._options['rpccorsdomain']))

        self._raiden_api = RaidenAPI(app_.raiden)

        api_server = None
        if self._options['rpc']:
            rest_api = RestAPI(self._raiden_api)
            api_server = APIServer(
                rest_api,
                cors_domain_list=domain_list,
                web_ui=self._options['web_ui'],
                eth_rpc_endpoint=self._options['eth_rpc_endpoint'],
            )
            (api_host, api_port) = split_endpoint(self._options['api_address'])

            try:
                api_server.start(api_host, api_port)
            except APIServerPortInUseError:
                print(
                    'ERROR: API Address %s:%s is in use. '
                    'Use --api-address <host:port> to specify port to listen on.'
                    % (api_host, api_port), )
                sys.exit(1)

            print(
                'The Raiden API RPC server is now running at http://{}:{}/.\n\n'
                'See the Raiden documentation for all available endpoints at\n'
                'http://raiden-network.readthedocs.io/en/stable/rest_api.html'.
                format(
                    api_host,
                    api_port,
                ), )

        if self._options['console']:
            console = Console(app_)
            console.start()

        # spawn a greenlet to handle the version checking
        gevent.spawn(check_version)
        # spawn a greenlet to handle the gas reserve check
        gevent.spawn(check_gas_reserve, app_.raiden)

        self._startup_hook()

        # wait for interrupt
        event = RaidenGreenletEvent()
        gevent.signal(signal.SIGQUIT, event.set)
        gevent.signal(signal.SIGTERM, event.set)
        gevent.signal(signal.SIGINT, event.set)

        try:
            event.wait()
            print('Signal received. Shutting down ...')
        except RaidenError as ex:
            click.secho(f'FATAL: {ex}', fg='red')
        except Exception as ex:
            with NamedTemporaryFile(
                    'w',
                    prefix=
                    f'raiden-exception-{datetime.utcnow():%Y-%m-%dT%H-%M}',
                    suffix='.txt',
                    delete=False,
            ) as traceback_file:
                traceback.print_exc(file=traceback_file)
                click.secho(
                    f'FATAL: An unexpected exception occured. '
                    f'A traceback has been written to {traceback_file.name}\n'
                    f'{ex}',
                    fg='red',
                )
        finally:
            self._shutdown_hook()
            if api_server:
                api_server.stop()

        return app_
Exemple #2
0
def run(
    privatekey,
    registry_contract_address,
    secret_registry_contract_address,
    discovery_contract_address,
    listen_address,
    structlog,
    logfile,
    scenario,
    stage_prefix,
):  # pylint: disable=unused-argument

    # TODO: only enabled structlog on "initiators"
    structlog.configure(structlog, log_file=logfile)

    (listen_host, listen_port) = split_endpoint(listen_address)

    config = App.DEFAULT_CONFIG.copy()
    config['transport']['udp']['host'] = listen_host
    config['transport']['udp']['port'] = listen_port
    config['privatekey_hex'] = privatekey

    privatekey_bin = decode_hex(privatekey)

    web3 = Web3(HTTPProvider(f'http://127.0.0.1:8545'))
    rpc_client = JSONRPCClient(web3, privatekey_bin)

    blockchain_service = BlockChainService(privatekey_bin, rpc_client)

    discovery = ContractDiscovery(
        blockchain_service,
        decode_hex(discovery_contract_address),
    )

    registry = blockchain_service.token_network_registry(
        registry_contract_address, )

    secret_registry = blockchain_service.secret_registry(
        secret_registry_contract_address, )

    throttle_policy = TokenBucket(
        config['protocol']['throttle_capacity'],
        config['protocol']['throttle_fill_rate'],
    )

    transport = UDPTransport(
        discovery=discovery,
        udpsocket=gevent.server._udp_socket((listen_host, listen_port)),
        throttle_policy=throttle_policy,
        config=config['transport']['udp'],
    )

    raiden_event_handler = RaidenEventHandler()

    app = App(
        config=config,
        chain=blockchain_service,
        query_start_block=0,
        default_registry=registry,
        default_secret_registry=secret_registry,
        transport=transport,
        raiden_event_handler=raiden_event_handler,
        discovery=discovery,
    )
    app.start()

    app.discovery.register(
        app.raiden.address,
        listen_host,
        listen_port,
    )

    from_block = 0
    app.raiden.install_all_blockchain_filters(
        app.raiden.default_registry,
        app.raiden.default_secret_registry,
        from_block,
    )

    if scenario:
        script = json.load(scenario)

        tools = ConsoleTools(
            app.raiden,
            app.discovery,
            app.config['settle_timeout'],
        )

        transfers_by_peer = {}

        tokens = script['tokens']
        token_address = None
        peer = None
        our_node = hexlify(app.raiden.address)
        log.warning('our address is {}'.format(our_node))
        for token in tokens:
            # skip tokens that we're not part of
            nodes = token['channels']
            if our_node not in nodes:
                continue

            partner_nodes = [node for node in nodes if node != our_node]

            # allow for prefunded tokens
            if 'token_address' in token:
                token_address = token['token_address']
            else:
                token_address = tools.create_token(registry_contract_address)

            transfers_with_amount = token['transfers_with_amount']

            # FIXME: in order to do bidirectional channels, only one side
            # (i.e. only token['channels'][0]) should
            # open; others should join by calling
            # raiden.api.deposit, AFTER the channel came alive!

            # NOTE: leaving unidirectional for now because it most
            #       probably will get to higher throughput

            log.warning('Waiting for all nodes to come online')

            api = RaidenAPI(app.raiden)

            for node in partner_nodes:
                api.start_health_check_for(node)

            while True:
                all_reachable = all(
                    api.get_node_network_state(node) == NODE_NETWORK_REACHABLE
                    for node in partner_nodes)

                if all_reachable:
                    break

                gevent.sleep(5)

            log.warning('All nodes are online')

            if our_node != nodes[-1]:
                our_index = nodes.index(our_node)
                peer = nodes[our_index + 1]

                tools.token_network_register(
                    app.raiden.default_registry.address, token_address)
                amount = transfers_with_amount[nodes[-1]]

                while True:
                    try:
                        app.discovery.get(peer.decode('hex'))
                        break
                    except KeyError:
                        log.warning(
                            'Error: peer {} not found in discovery'.format(
                                peer))
                        time.sleep(random.randrange(30))

                while True:
                    try:
                        log.warning('Opening channel with {} for {}'.format(
                            peer, token_address))
                        api.channel_open(app.raiden.default_registry.address,
                                         token_address, peer)
                        break
                    except KeyError:
                        log.warning(
                            'Error: could not open channel with {}'.format(
                                peer))
                        time.sleep(random.randrange(30))

                while True:
                    try:
                        log.warning('Funding channel with {} for {}'.format(
                            peer, token_address))
                        api.channel_deposit(
                            app.raiden.default_registry.address,
                            token_address,
                            peer,
                            amount,
                        )
                        break
                    except Exception:
                        log.warning(
                            'Error: could not deposit {} for {}'.format(
                                amount, peer))
                        time.sleep(random.randrange(30))

                if our_index == 0:
                    last_node = nodes[-1]
                    transfers_by_peer[last_node] = int(amount)

        if stage_prefix is not None:
            open('{}.stage1'.format(stage_prefix), 'a').close()
            log.warning('Done with initialization, waiting to continue...')
            event = RaidenGreenletEvent()
            gevent.signal(signal.SIGUSR2, event.set)
            event.wait()

        transfer_results = {'total_time': 0, 'timestamps': []}

        def transfer(token_address, amount_per_transfer, total_transfers, peer,
                     is_async):
            def transfer_():
                log.warning('Making {} transfers to {}'.format(
                    total_transfers, peer))
                initial_time = time.time()
                times = [0] * total_transfers
                for index in range(total_transfers):
                    RaidenAPI(app.raiden).transfer(
                        app.raiden.default_registry.address,
                        token_address.decode('hex'),
                        amount_per_transfer,
                        peer,
                    )
                    times[index] = time.time()

                transfer_results['total_time'] = time.time() - initial_time
                transfer_results['timestamps'] = times

                log.warning('Making {} transfers took {}'.format(
                    total_transfers, transfer_results['total_time']))
                log.warning('Times: {}'.format(times))

            if is_async:
                return gevent.spawn(transfer_)
            else:
                transfer_()

        # If sending to multiple targets, do it asynchronously, otherwise
        # keep it simple and just send to the single target on my thread.
        if len(transfers_by_peer) > 1:
            greenlets = []
            for peer_, amount in transfers_by_peer.items():
                greenlet = transfer(token_address, 1, amount, peer_, True)
                if greenlet is not None:
                    greenlets.append(greenlet)

            gevent.joinall(greenlets)

        elif len(transfers_by_peer) == 1:
            for peer_, amount in transfers_by_peer.items():
                transfer(token_address, 1, amount, peer_, False)

        log.warning('Waiting for termination')

        open('{}.stage2'.format(stage_prefix), 'a').close()
        log.warning('Waiting for transfers to finish, will write results...')
        event = RaidenGreenletEvent()
        gevent.signal(signal.SIGUSR2, event.set)
        event.wait()

        open('{}.stage3'.format(stage_prefix), 'a').close()
        event = RaidenGreenletEvent()
        gevent.signal(signal.SIGQUIT, event.set)
        gevent.signal(signal.SIGTERM, event.set)
        gevent.signal(signal.SIGINT, event.set)
        event.wait()

    else:
        log.warning('No scenario file supplied, doing nothing!')

        open('{}.stage2'.format(stage_prefix), 'a').close()
        event = RaidenGreenletEvent()
        gevent.signal(signal.SIGQUIT, event.set)
        gevent.signal(signal.SIGTERM, event.set)
        gevent.signal(signal.SIGINT, event.set)
        event.wait()

    app.stop()