示例#1
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def test_message_operators():
    a = Ack(ADDRESS, HASH)
    b = Ack(ADDRESS, HASH)
    c = Ack(ADDRESS2, HASH2)

    assert a == b
    assert not a != b
    assert a != c
    assert not a == c
示例#2
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def test_ack():
    echo = sha3(PRIVKEY)
    ack = Ack(ADDRESS, echo)
    assert ack.echo == echo
    data = ack.encode()
    msghash = sha3(data)
    decoded_ack = decode(data)
    assert decoded_ack.echo == ack.echo
    assert decoded_ack.sender == ack.sender
    assert sha3(decoded_ack.encode()) == msghash
示例#3
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def test_ack():
    echo = sha3(privkey)
    msg = Ack(address, echo)
    assert msg.echo == echo
    d = msg.encode()
    msghash = sha3(d)
    msg2 = decode(d)
    assert msg2.echo == echo
    assert msg2.sender == address
    assert sha3(msg2.encode()) == msghash
示例#4
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def test_message_operators():
    a = Ack(ADDRESS, HASH)
    b = Ack(ADDRESS, HASH)
    c = Ack(ADDRESS2, HASH2)

    # pylint: disable=unneeded-not
    assert a == b
    assert not a != b
    assert a != c
    assert not a == c
示例#5
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def test_ack():
    echo = sha3(privkey)
    msg = Ack(address, echo)
    assert msg.echo == echo
    d = msg.encode()
    msghash = sha3(d)
    msg2 = decode(d)
    assert msg2.echo == echo
    assert msg2.sender == address
    assert sha3(msg2.encode()) == msghash
示例#6
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    def receive_message(self, message, echohash):
        is_debug_log_enabled = log.isEnabledFor(logging.DEBUG)

        if is_debug_log_enabled:
            log.info('MESSAGE RECEIVED',
                     node=pex(self.raiden.address),
                     echohash=pex(echohash),
                     message=message,
                     message_sender=pex(message.sender))

        try:
            on_udp_message(self.raiden, message)

            # only send the Ack if the message was handled without exceptions
            ack = Ack(
                self.raiden.address,
                echohash,
            )

            self.maybe_send_ack(
                message.sender,
                ack,
            )
        except (InvalidAddress, UnknownAddress, UnknownTokenAddress) as e:
            if is_debug_log_enabled:
                log.warn(str(e))
        else:
            if is_debug_log_enabled:
                log.debug(
                    'ACK',
                    node=pex(self.raiden.address),
                    to=pex(message.sender),
                    echohash=pex(echohash),
                )
示例#7
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    def receive(self, data):
        # ignore large packets
        if len(data) > self.max_message_size:
            log.error('receive packet larger than maximum size', length=len(data))
            return

        msghash = sha3(data + self.raiden.address)

        # check if we handled this message already, if so repeat Ack
        if msghash in self.msghash_acks:
            return self._send_ack(*self.msghash_acks[msghash])

        # We ignore the sending endpoint as this can not be known w/ UDP
        message = decode(data)

        if isinstance(message, Ack):
            ack_result = self.msghash_asyncresult[message.echo]

            if ack_result.ready():
                if log.isEnabledFor(logging.INFO):
                    log.info(
                        'DUPLICATED ACK RECEIVED node:%s [echo=%s]',
                        pex(self.raiden.address),
                        pex(message.echo)
                    )
            else:
                if log.isEnabledFor(logging.INFO):
                    log.info(
                        'ACK RECEIVED node:%s [echo=%s]',
                        pex(self.raiden.address),
                        pex(message.echo)
                    )

                ack_result.set(True)

        elif message is not None:
            assert isinstance(message, Secret) or message.sender

            # this might exit with an exception
            self.raiden.on_message(message, msghash)

            # only send the Ack if the message was handled without exceptions
            ack = Ack(
                self.raiden.address,
                msghash,
            )

            self.send_ack(
                message.sender,
                ack,
            )

        else:  # payload was not a valid message and decoding failed
            if log.isEnabledFor(logging.ERROR):
                log.error(
                    'could not decode message %s',
                    pex(data),
                )
示例#8
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    def on_message(self, message, msghash):
        """ Handles `message` and sends a ACK on success. """
        cmdid = message.cmdid

        # using explicity dispatch to make the code grepable
        if cmdid == messages.ACK:
            pass

        elif cmdid == messages.PING:
            self.message_ping(message)

        elif cmdid == messages.SECRETREQUEST:
            self.message_secretrequest(message)

        elif cmdid == messages.SECRET:
            self.message_secret(message)

        elif cmdid == messages.DIRECTTRANSFER:
            self.message_directtransfer(message)

        elif cmdid == messages.MEDIATEDTRANSFER:
            self.message_mediatedtransfer(message)

        elif cmdid == messages.REFUNDTRANSFER:
            self.message_refundtransfer(message)

        elif cmdid == messages.TRANSFERTIMEOUT:
            self.message_transfertimeout(message)

        elif cmdid == messages.CONFIRMTRANSFER:
            self.message_confirmtransfer(message)

        else:
            raise Exception("Unknow cmdid '{}'.".format(cmdid))

        ack = Ack(
            self.raiden.address,
            msghash,
        )

        self.raiden.protocol.send_ack(
            message.sender,
            ack,
        )
示例#9
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    def receive_message(self, message, echohash):
        if log.isEnabledFor(logging.INFO):
            log.info(
                'MESSAGE RECEIVED',
                node=pex(self.raiden.address),
                echohash=pex(echohash),
                message=message,
                message_sender=pex(message.sender)
            )

        try:
            self.raiden.on_message(message, echohash)

            # only send the Ack if the message was handled without exceptions
            ack = Ack(
                self.raiden.address,
                echohash,
            )

            try:
                if log.isEnabledFor(logging.DEBUG):
                    log.debug(
                        'SENDING ACK',
                        node=pex(self.raiden.address),
                        to=pex(message.sender),
                        echohash=pex(echohash),
                    )

                self.maybe_send_ack(
                    message.sender,
                    ack,
                )
            except (InvalidAddress, UnknownAddress) as e:
                log.debug("Couldn't send the ACK", e=e)

        except (UnknownAddress, InvalidNonce, TransferWhenClosed, TransferUnwanted) as e:
            if log.isEnabledFor(logging.WARN):
                log.warn('maybe unwanted transfer', e=e)

        except (UnknownTokenAddress, InvalidLocksRoot) as e:
            if log.isEnabledFor(logging.WARN):
                log.warn(str(e))
示例#10
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    def receive_ping(self, ping, echohash):
        if ping_log.isEnabledFor(logging.DEBUG):
            ping_log.debug(
                'PING RECEIVED',
                node=pex(self.raiden.address),
                echohash=pex(echohash),
                message=ping,
                sender=pex(ping.sender),
            )

        ack = Ack(
            self.raiden.address,
            echohash,
        )

        try:
            self.maybe_send_ack(
                ping.sender,
                ack,
            )
        except (InvalidAddress, UnknownAddress) as e:
            log.debug("Couldn't send the ACK", e=e)
示例#11
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def test_ack(iterations=ITERATIONS):
    msg = Ack(ADDRESS, HASH)
    run_timeit('Ack', msg, iterations=iterations)
示例#12
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    def receive(self, data):
        # ignore large packets
        if len(data) > self.max_message_size:
            log.error('receive packet larger than maximum size',
                      length=len(data))
            return

        echohash = sha3(data + self.raiden.address)

        # check if we handled this message already, if so repeat Ack
        if echohash in self.echohash_acks:
            return self._send_ack(*self.echohash_acks[echohash])

        # We ignore the sending endpoint as this can not be known w/ UDP
        message = decode(data)
        # note down the time we got a message from the address
        self.last_received_time[message.sender] = time.time()

        if isinstance(message, Ack):
            waitack = self.echohash_asyncresult[message.echo]

            if waitack.ack_result.ready():
                if log.isEnabledFor(logging.INFO):
                    log.info(
                        'DUPLICATED ACK RECEIVED node:%s receiver:%s echohash:%s',
                        pex(self.raiden.address),
                        pex(waitack.receiver_address),
                        pex(message.echo),
                    )
            else:
                if log.isEnabledFor(logging.INFO):
                    log.info('ACK RECEIVED node:%s receiver:%s echohash:%s',
                             pex(self.raiden.address),
                             pex(waitack.receiver_address), pex(message.echo))

                waitack.ack_result.set(True)

        elif message is not None:
            # all messages require an Ack, to send it back an address is required
            assert isinstance(message, SignedMessage)

            if log.isEnabledFor(logging.INFO):
                log.info(
                    'MESSAGE RECEIVED node:%s echohash:%s %s',
                    pex(self.raiden.address),
                    pex(echohash),
                    message,
                )

            try:
                # this might exit with an exception
                self.raiden.on_message(message, echohash)

                # only send the Ack if the message was handled without exceptions
                ack = Ack(
                    self.raiden.address,
                    echohash,
                )

                try:
                    self.send_ack(
                        message.sender,
                        ack,
                    )
                except InvalidAddress:
                    log.debug("Couldn't send the ACK")

            except (UnknownAddress, InvalidNonce, TransferWhenClosed) as e:
                if log.isEnabledFor(logging.DEBUG):
                    log.debug(str(e))

            except (UnknownTokenAddress, InvalidLocksRoot) as e:
                if log.isEnabledFor(logging.WARN):
                    log.warn(str(e))

            except:
                log.exception('unexpected exception raised.')

        # payload was not a valid message and decoding failed
        elif log.isEnabledFor(logging.ERROR):
            log.error(
                'could not decode message %s',
                pex(data),
            )
示例#13
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    def receive(self, data):
        if len(data) > UDP_MAX_MESSAGE_SIZE:
            log.error('receive packet larger than maximum size',
                      length=len(data))
            return

        echohash = sha3(data + self.raiden.address)

        # check if we handled this message already, if so repeat Ack
        if echohash in self.receivedhashes_to_acks:
            return self._send_ack(*self.receivedhashes_to_acks[echohash])

        # We ignore the sending endpoint as this can not be known w/ UDP
        message = decode(data)

        if isinstance(message, Ack):
            waitack = self.senthashes_to_states.get(message.echo)

            if waitack is None:
                if log.isEnabledFor(logging.INFO):
                    log.info('ACK FOR UNKNOWN ECHO node:%s echohash:%s',
                             pex(self.raiden.address), pex(message.echo))

            elif waitack.async_result.ready():
                if log.isEnabledFor(logging.INFO):
                    log.info(
                        'DUPLICATED ACK RECEIVED node:%s receiver:%s echohash:%s',
                        pex(self.raiden.address),
                        pex(waitack.receiver_address),
                        pex(message.echo),
                    )
            else:
                if log.isEnabledFor(logging.INFO):
                    log.info('ACK RECEIVED node:%s receiver:%s echohash:%s',
                             pex(self.raiden.address),
                             pex(waitack.receiver_address), pex(message.echo))

                waitack.async_result.set(True)

        elif message is not None:
            # all messages require an Ack, to send it back an address is required
            assert isinstance(message, SignedMessage)

            if log.isEnabledFor(logging.INFO):
                log.info(
                    'MESSAGE RECEIVED node:%s echohash:%s %s',
                    pex(self.raiden.address),
                    pex(echohash),
                    message,
                )

            try:
                # this might exit with an exception
                self.raiden.on_message(message, echohash)

                # only send the Ack if the message was handled without exceptions
                ack = Ack(
                    self.raiden.address,
                    echohash,
                )

                try:
                    self.send_ack(
                        message.sender,
                        ack,
                    )
                except InvalidAddress:
                    log.debug("Couldn't send the ACK")

            except (UnknownAddress, InvalidNonce, TransferWhenClosed,
                    TransferUnwanted) as e:
                log.DEV('maybe unwanted transfer', e=e)
                if log.isEnabledFor(logging.DEBUG):
                    log.debug(str(e))

            except (UnknownTokenAddress, InvalidLocksRoot) as e:
                if log.isEnabledFor(logging.WARN):
                    log.warn(str(e))

            except:  # pylint: disable=bare-except
                log.exception('unexpected exception raised.')

        # payload was not a valid message and decoding failed
        elif log.isEnabledFor(logging.ERROR):
            log.error(
                'could not decode message %s',
                pex(data),
            )
示例#14
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    def receive(self, data):
        # ignore large packets
        if len(data) > self.max_message_size:
            log.error('receive packet larger than maximum size',
                      length=len(data))
            return

        echohash = sha3(data + self.raiden.address)

        # check if we handled this message already, if so repeat Ack
        if echohash in self.echohash_acks:
            return self._send_ack(*self.echohash_acks[echohash])

        # We ignore the sending endpoint as this can not be known w/ UDP
        message = decode(data)

        if isinstance(message, Ack):
            waitack = self.echohash_asyncresult[message.echo]

            if waitack.ack_result.ready():
                if log.isEnabledFor(logging.INFO):
                    log.info(
                        'DUPLICATED ACK RECEIVED node:%s receiver:%s echohash:%s',
                        pex(self.raiden.address),
                        pex(waitack.receiver_address),
                        pex(message.echo),
                    )
            else:
                if log.isEnabledFor(logging.INFO):
                    log.info('ACK RECEIVED node:%s receiver:%s echohash:%s',
                             pex(self.raiden.address),
                             pex(waitack.receiver_address), pex(message.echo))

                waitack.ack_result.set(True)

        elif message is not None:
            # all messages require an Ack, to send it back an address is required
            assert isinstance(message, SignedMessage)

            if log.isEnabledFor(logging.INFO):
                log.info(
                    'MESSAGE RECEIVED node:%s echohash:%s %s',
                    pex(self.raiden.address),
                    pex(echohash),
                    message,
                )

            # this might exit with an exception
            self.raiden.on_message(message, echohash)

            # only send the Ack if the message was handled without exceptions
            ack = Ack(
                self.raiden.address,
                echohash,
            )

            self.send_ack(
                message.sender,
                ack,
            )

        else:  # payload was not a valid message and decoding failed
            if log.isEnabledFor(logging.ERROR):
                log.error(
                    'could not decode message %s',
                    pex(data),
                )
示例#15
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    def receive(self, data):
        if len(data) > UDP_MAX_MESSAGE_SIZE:
            log.error('receive packet larger than maximum size',
                      length=len(data))
            return

        # Repeat the ACK if the message has been handled before
        echohash = sha3(data + self.raiden.address)
        if echohash in self.receivedhashes_to_acks:
            return self._maybe_send_ack(*self.receivedhashes_to_acks[echohash])

        message = decode(data)

        if isinstance(message, Ack):
            waitack = self.senthashes_to_states.get(message.echo)

            if waitack is None:
                if log.isEnabledFor(logging.DEBUG):
                    log.debug(
                        'ACK FOR UNKNOWN ECHO',
                        node=pex(self.raiden.address),
                        echohash=pex(message.echo),
                    )

            else:
                if log.isEnabledFor(logging.DEBUG):
                    log.debug(
                        'ACK RECEIVED',
                        node=pex(self.raiden.address),
                        receiver=pex(waitack.receiver_address),
                        echohash=pex(message.echo),
                    )

                waitack.async_result.set(True)

        elif isinstance(message, Ping):
            if ping_log.isEnabledFor(logging.DEBUG):
                ping_log.debug(
                    'PING RECEIVED',
                    node=pex(self.raiden.address),
                    echohash=pex(echohash),
                    message=message,
                    sender=pex(message.sender),
                )

            ack = Ack(
                self.raiden.address,
                echohash,
            )

            self.maybe_send_ack(
                message.sender,
                ack,
            )

        elif isinstance(message, SignedMessage):
            if log.isEnabledFor(logging.INFO):
                log.info('MESSAGE RECEIVED',
                         node=pex(self.raiden.address),
                         echohash=pex(echohash),
                         message=message,
                         message_sender=pex(message.sender))

            try:
                self.raiden.on_message(message, echohash)

                # only send the Ack if the message was handled without exceptions
                ack = Ack(
                    self.raiden.address,
                    echohash,
                )

                try:
                    if log.isEnabledFor(logging.DEBUG):
                        log.debug(
                            'SENDING ACK',
                            node=pex(self.raiden.address),
                            to=pex(message.sender),
                            echohash=pex(echohash),
                        )

                    self.maybe_send_ack(
                        message.sender,
                        ack,
                    )
                except (InvalidAddress, UnknownAddress) as e:
                    log.debug("Couldn't send the ACK", e=e)

            except (UnknownAddress, InvalidNonce, TransferWhenClosed,
                    TransferUnwanted) as e:
                log.DEV('maybe unwanted transfer', e=e)

            except (UnknownTokenAddress, InvalidLocksRoot) as e:
                if log.isEnabledFor(logging.WARN):
                    log.warn(str(e))

        elif log.isEnabledFor(logging.ERROR):
            log.error(
                'Invalid message',
                message=data.encode('hex'),
            )