def __init__(self, chain_state: ChainState,
channel_state: NettingChannelState):
self.secret = random_secret()
self.secrethash = SecretHash(sha3(self.secret))
self.lock_expiration = get_initial_lock_expiration(
chain_state.block_number, channel_state.reveal_timeout)
self.payment_identifier = PaymentID(create_default_identifier())
self.message_identifier = MessageID(
message_identifier_from_prng(chain_state.pseudo_random_generator))
def test_init_with_usable_routes():
channel1 = factories.make_channel(
our_balance=UNIT_TRANSFER_AMOUNT,
token_address=UNIT_TOKEN_ADDRESS,
token_network_identifier=UNIT_TOKEN_NETWORK_ADDRESS,
)
channel_map = {channel1.identifier: channel1}
available_routes = [factories.route_from_channel(channel1)]
pseudo_random_generator = random.Random()
init_state_change = ActionInitInitiator(
factories.UNIT_TRANSFER_DESCRIPTION,
available_routes,
)
block_number = 1
transition = initiator_manager.state_transition(
None,
init_state_change,
channel_map,
pseudo_random_generator,
block_number,
)
assert isinstance(transition.new_state, InitiatorPaymentState)
assert transition.events, 'we have a valid route, the mediated transfer event must be emitted'
payment_state = transition.new_state
assert payment_state.initiator.transfer_description == factories.UNIT_TRANSFER_DESCRIPTION
mediated_transfers = [
e for e in transition.events if isinstance(e, SendLockedTransfer)
]
assert len(mediated_transfers
) == 1, 'mediated_transfer should /not/ split the transfer'
send_mediated_transfer = mediated_transfers[0]
transfer = send_mediated_transfer.transfer
expiration = initiator.get_initial_lock_expiration(block_number,
channel1.reveal_timeout)
assert transfer.balance_proof.token_network_identifier == channel1.token_network_identifier
assert transfer.lock.amount == factories.UNIT_TRANSFER_DESCRIPTION.amount
assert transfer.lock.expiration == expiration
assert transfer.lock.secrethash == factories.UNIT_TRANSFER_DESCRIPTION.secrethash
assert send_mediated_transfer.recipient == channel1.partner_state.address
def test_init_with_usable_routes():
channel1 = factories.make_channel(
our_balance=UNIT_TRANSFER_AMOUNT,
token_address=UNIT_TOKEN_ADDRESS,
token_network_identifier=UNIT_TOKEN_NETWORK_ADDRESS,
)
channel_map = {channel1.identifier: channel1}
available_routes = [factories.route_from_channel(channel1)]
pseudo_random_generator = random.Random()
init_state_change = ActionInitInitiator(
factories.UNIT_TRANSFER_DESCRIPTION,
available_routes,
)
block_number = 1
transition = initiator_manager.state_transition(
None,
init_state_change,
channel_map,
pseudo_random_generator,
block_number,
)
assert isinstance(transition.new_state, InitiatorPaymentState)
assert transition.events, 'we have a valid route, the mediated transfer event must be emitted'
payment_state = transition.new_state
assert payment_state.initiator.transfer_description == factories.UNIT_TRANSFER_DESCRIPTION
mediated_transfers = [e for e in transition.events if isinstance(e, SendLockedTransfer)]
assert len(mediated_transfers) == 1, 'mediated_transfer should /not/ split the transfer'
send_mediated_transfer = mediated_transfers[0]
transfer = send_mediated_transfer.transfer
expiration = initiator.get_initial_lock_expiration(block_number, channel1.reveal_timeout)
assert transfer.balance_proof.token_network_identifier == channel1.token_network_identifier
assert transfer.lock.amount == factories.UNIT_TRANSFER_DESCRIPTION.amount
assert transfer.lock.expiration == expiration
assert transfer.lock.secrethash == factories.UNIT_TRANSFER_DESCRIPTION.secrethash
assert send_mediated_transfer.recipient == channel1.partner_state.address