def handle_channel_update_transfer(raiden: 'RaidenService', event: Event):
token_network_identifier = event.originating_contract
data = event.event_data
args = data['args']
channel_identifier = args['channel_identifier']
transaction_hash = data['transaction_hash']
block_number = data['block_number']
block_hash = data['block_hash']
channel_state = views.get_channelstate_by_token_network_identifier(
views.state_from_raiden(raiden),
token_network_identifier,
channel_identifier,
)
if channel_state:
channel_transfer_updated = ContractReceiveUpdateTransfer(
transaction_hash=transaction_hash,
token_network_identifier=token_network_identifier,
channel_identifier=channel_identifier,
nonce=args['nonce'],
block_number=block_number,
block_hash=block_hash,
)
raiden.handle_and_track_state_change(channel_transfer_updated)
def handle_channel_update_transfer(raiden: "RaidenService", event: Event):
token_network_identifier = event.originating_contract
data = event.event_data
args = data["args"]
channel_identifier = args["channel_identifier"]
transaction_hash = data["transaction_hash"]
block_number = data["block_number"]
block_hash = data["block_hash"]
chain_state = views.state_from_raiden(raiden)
channel_state = views.get_channelstate_by_canonical_identifier_and_address(
chain_state=chain_state,
canonical_identifier=CanonicalIdentifier(
chain_identifier=chain_state.chain_id,
token_network_address=token_network_identifier,
channel_identifier=channel_identifier,
),
address=args['closing_participant'],
)
if channel_state:
channel_transfer_updated = ContractReceiveUpdateTransfer(
transaction_hash=transaction_hash,
canonical_identifier=channel_state.canonical_identifier,
nonce=args["nonce"],
block_number=block_number,
block_hash=block_hash,
)
raiden.handle_and_track_state_change(channel_transfer_updated)
def contractreceiveupdatetransfer_from_event(
channel_state: NettingChannelState,
event: DecodedEvent) -> ContractReceiveUpdateTransfer:
data = event.event_data
args = data["args"]
return ContractReceiveUpdateTransfer(
canonical_identifier=channel_state.canonical_identifier,
nonce=args["nonce"],
transaction_hash=event.transaction_hash,
block_number=event.block_number,
block_hash=event.block_hash,
)
def handle_channel_update_transfer(raiden, event):
token_network_identifier = event.originating_contract
data = event.event_data
channel_identifier = data['channel_identifier']
transaction_hash = data['transactionHash']
assert transaction_hash, 'A mined transaction must have the hash field'
channel_state = views.get_channelstate_by_token_network_identifier(
views.state_from_raiden(raiden),
token_network_identifier,
channel_identifier,
)
if channel_state:
channel_transfer_updated = ContractReceiveUpdateTransfer(
transaction_hash=transaction_hash,
token_network_identifier=token_network_identifier,
channel_identifier=channel_identifier,
nonce=data['args']['nonce'],
)
raiden.handle_state_change(channel_transfer_updated)