def test_channelstate_directtransfer_overspent():
"""Receiving a direct transfer with an amount large than distributable must
be ignored.
"""
our_model1, _ = create_model(70)
partner_model1, privkey2 = create_model(100)
channel_state = create_channel_from_models(our_model1, partner_model1)
distributable = channel.get_distributable(channel_state.partner_state, channel_state.our_state)
nonce = 1
transferred_amount = distributable + 1
receive_lockedtransfer = make_receive_transfer_direct(
channel_state,
privkey2,
nonce,
transferred_amount,
)
is_valid, _ = channel.is_valid_directtransfer(
receive_lockedtransfer,
channel_state,
channel_state.partner_state,
channel_state.our_state,
)
assert not is_valid, 'message is invalid because it is spending more than the distributable'
iteration = channel.handle_receive_directtransfer(
channel_state,
receive_lockedtransfer,
)
assert must_contain_entry(iteration.events, EventTransferReceivedInvalidDirectTransfer, {})
assert_partner_state(channel_state.our_state, channel_state.partner_state, our_model1)
assert_partner_state(channel_state.partner_state, channel_state.our_state, partner_model1)
def test_channelstate_directtransfer_invalid_chainid():
"""Receiving a direct transfer with a chain_id different than the channel's
chain_id should be ignored
"""
our_model1, _ = create_model(70)
partner_model1, privkey2 = create_model(100)
channel_state = create_channel_from_models(our_model1, partner_model1)
distributable = channel.get_distributable(channel_state.partner_state, channel_state.our_state)
nonce = 1
transferred_amount = distributable - 1
receive_lockedtransfer = make_receive_transfer_direct(
channel_state=channel_state,
privkey=privkey2,
nonce=nonce,
transferred_amount=transferred_amount,
chain_id=UNIT_CHAIN_ID + 2,
)
is_valid, _ = channel.is_valid_directtransfer(
receive_lockedtransfer,
channel_state,
channel_state.partner_state,
channel_state.our_state,
)
assert not is_valid, (
'message is invalid because it contains different chain id than the channel'
)
iteration = channel.handle_receive_directtransfer(
channel_state,
receive_lockedtransfer,
)
assert must_contain_entry(iteration.events, EventTransferReceivedInvalidDirectTransfer, {})
assert_partner_state(channel_state.our_state, channel_state.partner_state, our_model1)
assert_partner_state(channel_state.partner_state, channel_state.our_state, partner_model1)