def register_registry(self, registry):
""" Register the registry and intialize all the related assets and
channels.
"""
translator = ContractTranslator(REGISTRY_ABI)
assetadded = registry.assetadded_filter()
all_manager_addresses = registry.manager_addresses()
task_name = 'Registry {}'.format(pex(registry.address))
asset_listener = LogListenerTask(
task_name,
assetadded,
self.on_event,
translator,
)
asset_listener.start()
self.event_listeners.append(asset_listener)
self.registries.append(registry)
for manager_address in all_manager_addresses:
channel_manager = self.chain.manager(manager_address)
self.register_channel_manager(channel_manager)
def register_registry(self, registry):
""" Register the registry and intialize all the related assets and
channels.
"""
translator = ContractTranslator(REGISTRY_ABI)
assetadded = registry.assetadded_filter()
all_manager_addresses = registry.manager_addresses()
task_name = 'Registry {}'.format(pex(registry.address))
asset_listener = LogListenerTask(
task_name,
assetadded,
self.on_event,
translator,
)
asset_listener.start()
self.event_listeners.append(asset_listener)
self.registries.append(registry)
for manager_address in all_manager_addresses:
channel_manager = self.chain.manager(manager_address)
self.register_channel_manager(channel_manager)
def register_channel_manager(self, channel_manager):
""" Discover and register the channels for the given asset. """
translator = ContractTranslator(CHANNEL_MANAGER_ABI)
# To avoid missing changes, first create the filter, call the
# contract and then start polling.
channelnew = channel_manager.channelnew_filter()
all_netting_contracts = channel_manager.channels_by_participant(
self.address)
task_name = 'ChannelManager {}'.format(pex(channel_manager.address))
channel_listener = LogListenerTask(
task_name,
channelnew,
self.on_event,
translator,
)
channel_listener.start()
self.event_listeners.append(channel_listener)
asset_address_bin = channel_manager.asset_address()
channel_manager_address_bin = channel_manager.address
edges = channel_manager.channels_addresses()
channel_graph = ChannelGraph(edges)
asset_manager = AssetManager(
self,
asset_address_bin,
channel_manager_address_bin,
channel_graph,
)
self.managers_by_asset_address[asset_address_bin] = asset_manager
self.managers_by_address[channel_manager_address_bin] = asset_manager
for netting_contract_address in all_netting_contracts:
asset_manager.register_channel_by_address(
netting_contract_address,
self.config['reveal_timeout'],
)
def register_channel_manager(self, channel_manager):
""" Discover and register the channels for the given asset. """
translator = ContractTranslator(CHANNEL_MANAGER_ABI)
# To avoid missing changes, first create the filter, call the
# contract and then start polling.
channelnew = channel_manager.channelnew_filter()
all_netting_contracts = channel_manager.channels_by_participant(self.address)
task_name = 'ChannelManager {}'.format(pex(channel_manager.address))
channel_listener = LogListenerTask(
task_name,
channelnew,
self.on_event,
translator,
)
channel_listener.start()
self.event_listeners.append(channel_listener)
asset_address_bin = channel_manager.asset_address()
channel_manager_address_bin = channel_manager.address
edges = channel_manager.channels_addresses()
channel_graph = ChannelGraph(edges)
asset_manager = AssetManager(
self,
asset_address_bin,
channel_manager_address_bin,
channel_graph,
)
self.managers_by_asset_address[asset_address_bin] = asset_manager
self.managers_by_address[channel_manager_address_bin] = asset_manager
for netting_contract_address in all_netting_contracts:
asset_manager.register_channel_by_address(
netting_contract_address,
self.config['reveal_timeout'],
)
def register_channel(self, netting_channel, reveal_timeout):
""" Register a new channel.
Args:
netting_channel (network.rpc.client.NettingChannel): The netting channel proxy.
reveal_timeout (int): Minimum number of blocks required by this
node to see a secret.
Raises:
ValueError:
- If raiden.address is not one of the participants in the
netting channel.
- If the contract's settle_timeout is smaller than the
reveal_timeout.
"""
# pylint: disable=too-many-locals
translator = ContractTranslator(NETTING_CHANNEL_ABI)
# Race condition:
# - If the filter is installed after the call to `details` a deposit
# could be missed in the meantime, to avoid this we first install the
# filter listener and then call `deposit`.
# - Because of the above strategy a `deposit` event could be handled
# twice, for this reason we must not use `deposit` in the events but
# the resulting `balance`.
task_name = "ChannelNewBalance {}".format(pex(netting_channel.address))
newbalance = netting_channel.channelnewbalance_filter()
newbalance_listener = LogListenerTask(task_name, newbalance, self.raiden.on_event, translator)
task_name = "ChannelSecretRevelead {}".format(pex(netting_channel.address))
secretrevealed = netting_channel.channelsecretrevealed_filter()
secretrevealed_listener = LogListenerTask(task_name, secretrevealed, self.raiden.on_event, translator)
task_name = "ChannelClosed {}".format(pex(netting_channel.address))
close = netting_channel.channelclosed_filter()
close_listener = LogListenerTask(task_name, close, self.raiden.on_event, translator)
task_name = "ChannelSettled {}".format(pex(netting_channel.address))
settled = netting_channel.channelsettled_filter()
settled_listener = LogListenerTask(task_name, settled, self.raiden.on_event, translator)
channel_details = netting_channel.detail(self.raiden.address)
our_state = ChannelEndState(channel_details["our_address"], channel_details["our_balance"])
partner_state = ChannelEndState(channel_details["partner_address"], channel_details["partner_balance"])
external_state = ChannelExternalState(
self.raiden.alarm.register_callback,
self.register_channel_for_hashlock,
self.raiden.chain.block_number,
netting_channel,
)
channel = Channel(
our_state,
partner_state,
external_state,
self.asset_address,
reveal_timeout,
channel_details["settle_timeout"],
)
self.partneraddress_channel[partner_state.address] = channel
self.address_channel[netting_channel.address] = channel
newbalance_listener.start()
secretrevealed_listener.start()
close_listener.start()
settled_listener.start()
self.raiden.event_listeners.append(newbalance_listener)
self.raiden.event_listeners.append(secretrevealed_listener)
self.raiden.event_listeners.append(close_listener)
self.raiden.event_listeners.append(settled_listener)
def register_channel(self, netting_channel, reveal_timeout):
""" Register a new channel.
Args:
netting_channel (network.rpc.client.NettingChannel): The netting channel proxy.
reveal_timeout (int): Minimum number of blocks required by this
node to see a secret.
Raises:
ValueError: If raiden.address is not one of the participants in the
netting channel.
"""
translator = ContractTranslator(NETTING_CHANNEL_ABI)
# Race condition:
# - If the filter is installed after the call to `details` a deposit
# could be missed in the meantime, to avoid this we first install the
# filter listener and then call `deposit`.
# - Because of the above strategy a `deposit` event could be handled
# twice, for this reason we must not use `deposit` in the events but
# the resulting `balance`.
task_name = 'ChannelNewBalance {}'.format(pex(netting_channel.address))
newbalance = netting_channel.channelnewbalance_filter()
newbalance_listener = LogListenerTask(
task_name,
newbalance,
self.raiden.on_event,
translator,
)
task_name = 'ChannelSecretRevelead {}'.format(
pex(netting_channel.address))
secretrevealed = netting_channel.channelsecretrevealed_filter()
secretrevealed_listener = LogListenerTask(
task_name,
secretrevealed,
self.raiden.on_event,
translator,
)
task_name = 'ChannelClosed {}'.format(pex(netting_channel.address))
close = netting_channel.channelclosed_filter()
close_listener = LogListenerTask(
task_name,
close,
self.raiden.on_event,
translator,
)
task_name = 'ChannelSettled {}'.format(pex(netting_channel.address))
settled = netting_channel.channelsettled_filter()
settled_listener = LogListenerTask(
task_name,
settled,
self.raiden.on_event,
translator,
)
channel_details = netting_channel.detail(self.raiden.address)
our_state = ChannelEndState(
channel_details['our_address'],
channel_details['our_balance'],
)
partner_state = ChannelEndState(
channel_details['partner_address'],
channel_details['partner_balance'],
)
external_state = ChannelExternalState(
self.raiden.alarm.register_callback,
self.register_channel_for_hashlock,
self.raiden.chain.block_number,
netting_channel,
)
channel = Channel(
our_state,
partner_state,
external_state,
self.asset_address,
reveal_timeout,
channel_details['settle_timeout'],
)
self.partneraddress_channel[partner_state.address] = channel
self.address_channel[netting_channel.address] = channel
newbalance_listener.start()
secretrevealed_listener.start()
close_listener.start()
settled_listener.start()
self.raiden.event_listeners.append(newbalance_listener)
self.raiden.event_listeners.append(secretrevealed_listener)
self.raiden.event_listeners.append(close_listener)
self.raiden.event_listeners.append(settled_listener)
def register_channel(self, netting_channel, reveal_timeout):
""" Register a new channel.
Args:
netting_channel (network.rpc.client.NettingChannel): The netting channel proxy.
reveal_timeout (int): Minimum number of blocks required by this
node to see a secret.
Raises:
ValueError: If raiden.address is not one of the participants in the
netting channel.
"""
translator = ContractTranslator(NETTING_CHANNEL_ABI)
# race condition:
# - if the filter is installed after a deposit is made it could be
# missed, to avoid that we first install the filter, then request the
# state from the node and then poll the filter.
# - with the above strategy the same deposit could be handled twice,
# once from the status received from the netting contract and once from
# the event, to avoid problems the we use the balance instead of the
# deposit is used.
newbalance = netting_channel.channelnewbalance_filter()
newbalance_listener = LogListenerTask(
newbalance,
self.raiden.on_event,
translator,
)
secretrevealed = netting_channel.channelsecretrevealed_filter()
secretrevealed_listener = LogListenerTask(
secretrevealed,
self.raiden.on_event,
translator,
)
close = netting_channel.channelclosed_filter()
close_listener = LogListenerTask(
close,
self.raiden.on_event,
translator,
)
settled = netting_channel.channelsettled_filter()
settled_listener = LogListenerTask(
settled,
self.raiden.on_event,
translator,
)
channel_details = netting_channel.detail(self.raiden.address)
our_state = ChannelEndState(
channel_details['our_address'],
channel_details['our_balance'],
)
partner_state = ChannelEndState(
channel_details['partner_address'],
channel_details['partner_balance'],
)
external_state = ChannelExternalState(
self.register_channel_for_hashlock,
self.raiden.chain.block_number,
netting_channel,
)
channel = Channel(
our_state,
partner_state,
external_state,
self.asset_address,
reveal_timeout,
channel_details['settle_timeout'],
)
self.partneraddress_channel[partner_state.address] = channel
self.address_channel[netting_channel.address] = channel
self.channelgraph.add_path(
channel_details['our_address'],
channel_details['partner_address'],
)
newbalance_listener.start()
secretrevealed_listener.start()
close_listener.start()
settled_listener.start()
self.raiden.event_listeners.append(newbalance_listener)
self.raiden.event_listeners.append(secretrevealed_listener)
self.raiden.event_listeners.append(close_listener)
self.raiden.event_listeners.append(settled_listener)
