def test_is_transaction_effect_satisfied(
chain_state,
token_network_state,
token_network_id,
netting_channel_state,
):
transaction = ContractSendChannelBatchUnlock(
token_address=token_network_state.token_address,
token_network_identifier=token_network_id,
channel_identifier=netting_channel_state.identifier,
participant=HOP2,
)
state_change = ContractReceiveChannelBatchUnlock(
transaction_hash=UNIT_SECRETHASH,
token_network_identifier=token_network_id,
participant=HOP1,
partner=HOP2,
locksroot=EMPTY_MERKLE_ROOT,
unlocked_amount=0,
returned_tokens=0,
block_number=1,
)
# unlock for a channel in which this node is not a participant must return False
assert not is_transaction_effect_satisfied(chain_state, transaction, state_change)
# now call normally with us being the partner and not the participant
state_change.partner = netting_channel_state.our_state.address
state_change.participant = netting_channel_state.partner_state.address
assert not is_transaction_effect_satisfied(chain_state, transaction, state_change)
# finally call with us being the participant and not the partner which should check out
state_change.participant = netting_channel_state.our_state.address
state_change.partner = netting_channel_state.partner_state.address
assert is_transaction_effect_satisfied(chain_state, transaction, state_change)
def test_is_transaction_effect_satisfied(chain_state, token_network_id, netting_channel_state):
canonical_identifier = netting_channel_state.canonical_identifier
assert token_network_id == canonical_identifier.token_network_address
transaction = ContractSendChannelBatchUnlock(
canonical_identifier=canonical_identifier,
participant=netting_channel_state.partner_state.address,
triggered_by_block_hash=make_block_hash(),
)
state_change = ContractReceiveChannelBatchUnlock(
transaction_hash=UNIT_SECRETHASH,
canonical_identifier=canonical_identifier,
participant=HOP1,
partner=HOP2,
locksroot=EMPTY_MERKLE_ROOT,
unlocked_amount=0,
returned_tokens=0,
block_number=1,
block_hash=make_block_hash(),
)
# unlock for a channel in which this node is not a participant must return False
assert not is_transaction_effect_satisfied(chain_state, transaction, state_change)
# now call normally with us being the partner and not the participant
state_change.partner = netting_channel_state.partner_state.address
state_change.participant = netting_channel_state.our_state.address
assert not is_transaction_effect_satisfied(chain_state, transaction, state_change)
# finally call with us being the participant and not the partner which should check out
state_change.participant = netting_channel_state.partner_state.address
state_change.partner = netting_channel_state.our_state.address
# ContractSendChannelBatchUnlock would only be satisfied if both sides are unlocked
# and if the channel was cleared
assert not is_transaction_effect_satisfied(chain_state, transaction, state_change)
channel_settled = ContractReceiveChannelSettled(
transaction_hash=bytes(32),
canonical_identifier=canonical_identifier,
our_onchain_locksroot=EMPTY_MERKLE_ROOT,
partner_onchain_locksroot=EMPTY_MERKLE_ROOT,
block_number=1,
block_hash=make_block_hash(),
)
iteration = state_transition(chain_state=chain_state, state_change=channel_settled)
assert is_transaction_effect_satisfied(iteration.new_state, transaction, state_change)
