def message_mediatedtransfer(self, message):
self.balance_proof(message)
# TODO: Reject mediated transfer that the hashlock/identifier is known,
# this is a downstream bug and the transfer is going in cycles (issue #490)
if message.token in self.blocked_tokens:
raise TransferUnwanted()
graph = self.raiden.token_to_channelgraph[message.token]
if not graph.has_channel(self.raiden.address, message.sender):
raise UnknownAddress(
'Mediated transfer from node without an existing channel: {}'.
format(pex(message.sender), ))
channel = graph.partneraddress_to_channel[message.sender]
if channel.state != CHANNEL_STATE_OPENED:
raise TransferWhenClosed(
'Mediated transfer received but the channel is closed: {}'.
format(pex(channel.channel_address), ))
# raises if the message is invalid
channel.register_transfer(self.raiden.get_block_number(), message)
if message.target == self.raiden.address:
self.raiden.target_mediated_transfer(message)
else:
self.raiden.mediate_mediated_transfer(message)
def message_directtransfer(self, message):
self.balance_proof(message)
if message.token not in self.raiden.token_to_channelgraph:
raise UnknownTokenAddress('Unknown token address {}'.format(pex(message.token)))
if message.token in self.blocked_tokens:
raise TransferUnwanted()
graph = self.raiden.token_to_channelgraph[message.token]
if not graph.has_channel(self.raiden.address, message.sender):
raise UnknownAddress(
'Direct transfer from node without an existing channel: {}'.format(
pex(message.sender),
)
)
channel = graph.partneraddress_to_channel[message.sender]
if channel.state != CHANNEL_STATE_OPENED:
raise TransferWhenClosed(
'Direct transfer received for a closed channel: {}'.format(
pex(channel.channel_address),
)
)
amount = message.transferred_amount - channel.partner_state.transferred_amount
state_change = ReceiveTransferDirect(
message.identifier,
amount,
message.token,
message.sender,
)
state_change_id = self.raiden.transaction_log.log(state_change)
channel.register_transfer(
self.raiden.get_block_number(),
message,
)
receive_success = EventTransferReceivedSuccess(
message.identifier,
amount,
message.sender,
)
self.raiden.transaction_log.log_events(
state_change_id,
[receive_success],
self.raiden.get_block_number()
)
def message_directtransfer(self, message):
if message.token not in self.raiden.channelgraphs:
raise UnknownTokenAddress('Unknown token address {}'.format(
pex(message.token)))
graph = self.raiden.channelgraphs[message.token]
if not graph.has_channel(self.raiden.address, message.sender):
raise UnknownAddress(
'Direct transfer from node without an existing channel: {}'.
format(pex(message.sender), ))
channel = graph.partneraddress_channel[message.sender]
if channel.state != CHANNEL_STATE_OPENED:
raise TransferWhenClosed(
'Direct transfer received for a closed channel: {}'.format(
pex(channel.channel_address), ))
channel.register_transfer(message)
def message_mediatedtransfer(self, message):
# TODO: Reject mediated transfer that the hashlock/identifier is known,
# this is a downstream bug and the transfer is going in cycles (issue #490)
key = SwapKey(
message.identifier,
message.token,
message.lock.amount,
)
# TODO: add a separate message for token swaps to simplify message
# handling (issue #487)
if key in self.raiden.swapkeys_tokenswaps:
self.message_tokenswap(message)
return
graph = self.raiden.channelgraphs[message.token]
if not graph.has_channel(self.raiden.address, message.sender):
raise UnknownAddress(
'Direct transfer from node without an existing channel: {}'.format(
pex(message.sender),
)
)
channel = graph.partneraddress_channel[message.sender]
if not channel.isopen:
raise TransferWhenClosed(
'Direct transfer received for a closed channel: {}'.format(
pex(channel.channel_address),
)
)
channel.register_transfer(message) # raises if the message is invalid
if message.target == self.raiden.address:
self.raiden.target_mediated_transfer(message)
else:
self.raiden.mediate_mediated_transfer(message)
def message_mediatedtransfer(self, message):
# TODO: Reject mediated transfer that the hashlock/identifier is known,
# this is a downstream bug and the transfer is going in cycles (issue #490)
key = SwapKey(
message.identifier,
message.token,
message.lock.amount,
)
if message.token in self.blocked_tokens:
raise TransferUnwanted()
# TODO: add a separate message for token swaps to simplify message
# handling (issue #487)
if key in self.raiden.swapkey_to_tokenswap:
self.message_tokenswap(message)
return
graph = self.raiden.token_to_channelgraph[message.token]
if not graph.has_channel(self.raiden.address, message.sender):
raise UnknownAddress(
'Mediated transfer from node without an existing channel: {}'.
format(pex(message.sender), ))
channel = graph.partneraddress_to_channel[message.sender]
if channel.state != CHANNEL_STATE_OPENED:
raise TransferWhenClosed(
'Mediated transfer received but the channel is closed: {}'.
format(pex(channel.channel_address), ))
# raises if the message is invalid
channel.register_transfer(self.raiden.get_block_number(), message)
if message.target == self.raiden.address:
self.raiden.target_mediated_transfer(message)
else:
self.raiden.mediate_mediated_transfer(message)
