def pyethapp_event_to_state_change(pyethapp_event): # pylint: disable=too-many-return-statements
contract_address = pyethapp_event.originating_contract
event = pyethapp_event.event_data
# Raiden uses the binary representation of address internally, pyethapp
# keeps the addresses in hex representation inside the events, so all
# addresses inside the event_data must be decoded.
if event['_event_type'] == 'TokenAdded':
return ContractReceiveTokenAdded(
contract_address,
address_decoder(event['token_address']),
address_decoder(event['channel_manager_address']),
)
elif event['_event_type'] == 'ChannelNew':
return ContractReceiveNewChannel(
contract_address,
address_decoder(event['netting_channel']),
address_decoder(event['participant1']),
address_decoder(event['participant2']),
event['settle_timeout'],
)
elif event['_event_type'] == 'ChannelNewBalance':
return ContractReceiveBalance(
contract_address,
address_decoder(event['token_address']),
address_decoder(event['participant']),
event['balance'],
event['block_number'],
)
elif event['_event_type'] == 'ChannelClosed':
return ContractReceiveClosed(
contract_address,
address_decoder(event['closing_address']),
event['block_number'],
)
elif event['_event_type'] == 'ChannelSettled':
return ContractReceiveSettled(
contract_address,
event['block_number'],
)
elif event['_event_type'] == 'ChannelSecretRevealed':
return ContractReceiveWithdraw(
contract_address,
event['secret'],
address_decoder(event['receiver_address']),
)
else:
return None
def event_to_state_change(event): # pylint: disable=too-many-return-statements
contract_address = event.originating_contract
event = event.event_data
# Note: All addresses inside the event_data must be decoded.
if event['_event_type'] == 'TokenAdded':
result = ContractReceiveTokenAdded(
contract_address,
address_decoder(event['token_address']),
address_decoder(event['channel_manager_address']),
)
elif event['_event_type'] == 'ChannelNew':
result = ContractReceiveNewChannel(
contract_address,
address_decoder(event['netting_channel']),
address_decoder(event['participant1']),
address_decoder(event['participant2']),
event['settle_timeout'],
)
elif event['_event_type'] == 'ChannelNewBalance':
result = ContractReceiveBalance(
contract_address,
address_decoder(event['token_address']),
address_decoder(event['participant']),
event['balance'],
event['block_number'],
)
elif event['_event_type'] == 'ChannelClosed':
result = ContractReceiveClosed(
contract_address,
address_decoder(event['closing_address']),
event['block_number'],
)
elif event['_event_type'] == 'ChannelSettled':
result = ContractReceiveSettled(
contract_address,
event['block_number'],
)
elif event['_event_type'] == 'ChannelSecretRevealed':
result = ContractReceiveWithdraw(
contract_address,
event['secret'],
address_decoder(event['receiver_address']),
)
else:
result = None
return result