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
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
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
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
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
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),
)
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),
)
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,
)
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))
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)
def test_ack(iterations=ITERATIONS):
msg = Ack(ADDRESS, HASH)
run_timeit('Ack', msg, iterations=iterations)
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),
)
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),
)
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),
)
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'),
)
