def test_events_for_revealsecret():
""" The secret is revealed backwards to the payer once the payee sent the
SecretReveal.
"""
secret = factories.UNIT_SECRET
our_address = factories.ADDR
transfers_pair = make_transfers_pair(
factories.HOP1,
[factories.HOP2, factories.HOP3, factories.HOP4],
factories.HOP6,
amount=10,
secret=secret,
)
events = mediator.events_for_revealsecret(
transfers_pair,
our_address,
)
# the secret is known by this node, but no other payee is at a secret known
# state, do nothing
assert len(events) == 0
first_pair = transfers_pair[0]
last_pair = transfers_pair[1]
last_pair.payee_state = 'payee_secret_revealed'
events = mediator.events_for_revealsecret(
transfers_pair,
our_address,
)
# the last known hop sent a secret reveal message, this node learned the
# secret and now must reveal to the payer node from the transfer pair
assert len(events) == 1
assert events[0].secret == secret
assert events[0].receiver == last_pair.payer_route.node_address
assert last_pair.payer_state == 'payer_secret_revealed'
events = mediator.events_for_revealsecret(
transfers_pair,
our_address,
)
# the payeee from the first_pair did not send a secret reveal message, do
# nothing
assert len(events) == 0
first_pair.payee_state = 'payee_secret_revealed'
events = mediator.events_for_revealsecret(
transfers_pair,
our_address,
)
assert len(events) == 1
assert events[0].secret == secret
assert events[0].receiver == first_pair.payer_route.node_address
assert first_pair.payer_state == 'payer_secret_revealed'
def test_events_for_revealsecret_all_states():
""" The secret must be revealed backwards to the payer if the payee knows
the secret.
"""
secret = factories.UNIT_SECRET
our_address = factories.ADDR
payee_secret_known = (
'payee_secret_revealed',
'payee_refund_withdraw',
'payee_contract_withdraw',
'payee_balance_proof',
)
for state in payee_secret_known:
transfers_pair = make_transfers_pair(
[factories.HOP1, factories.HOP2],
factories.HOP6,
amount=10,
secret=secret,
)
pair = transfers_pair[0]
pair.payee_state = state
events = mediator.events_for_revealsecret(
transfers_pair,
our_address,
)
assert events[0].secret == secret
assert events[0].target == factories.HOP1
def test_events_for_revealsecret_secret_unknown():
""" When the secret is not know there is nothing to do. """
transfers_pair = make_transfers_pair(
[factories.HOP1, factories.HOP2, factories.HOP3],
factories.HOP6,
amount=10,
)
events = mediator.events_for_revealsecret(
transfers_pair,
factories.ADDR,
)
assert len(events) == 0