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pytest: test that we get a correct result when peer says onion is bad.

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Currently fails: we get a garbage error.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2019-01-08 10:47:50 +10:30 committed by Christian Decker
parent e0621fa8f7
commit 5b6c82384a
1 changed files with 41 additions and 0 deletions
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41
tests/test_misc.py
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@ -1135,3 +1135,44 @@ def test_check_command(node_factory):
assert 'error' in obj
sock.close()
@pytest.mark.xfail(strict=True)
def test_bad_onion(node_factory, bitcoind):
"""Test that we get a reasonable error from sendpay when an onion is bad"""
l1, l2, l3, l4 = node_factory.line_graph(4, wait_for_announce=True)
h = l4.rpc.invoice(123000, 'test_bad_onion', 'description')['payment_hash']
route = l1.rpc.getroute(l4.info['id'], 123000, 1)['route']
assert len(route) == 3
mangled_nodeid = '0265b6ab5ec860cd257865d61ef0bbf5b3339c36cbda8b26b74e7f1dca490b6518'
# Replace id with a different pubkey, so onion encoded badly at third hop.
route[2]['id'] = mangled_nodeid
l1.rpc.sendpay(route, h)
with pytest.raises(RpcError) as err:
l1.rpc.waitsendpay(h)
# FIXME: #define PAY_TRY_OTHER_ROUTE 204
PAY_TRY_OTHER_ROUTE = 204
assert err.value.error['code'] == PAY_TRY_OTHER_ROUTE
# FIXME: WIRE_INVALID_ONION_HMAC = BADONION|PERM|5
WIRE_INVALID_ONION_HMAC = 0x8000 | 0x4000 | 5
assert err.value.error['data']['failcode'] == WIRE_INVALID_ONION_HMAC
assert err.value.error['data']['erring_node'] == mangled_nodeid
assert err.value.error['data']['erring_channel'] == route[2]['channel']
# Replace id with a different pubkey, so onion encoded badly at second hop.
route[1]['id'] = mangled_nodeid
l1.rpc.sendpay(route, h)
with pytest.raises(RpcError) as err:
l1.rpc.waitsendpay(h)
# FIXME: #define PAY_TRY_OTHER_ROUTE 204
PAY_TRY_OTHER_ROUTE = 204
assert err.value.error['code'] == PAY_TRY_OTHER_ROUTE
assert err.value.error['data']['failcode'] == WIRE_INVALID_ONION_HMAC
assert err.value.error['data']['erring_node'] == mangled_nodeid
assert err.value.error['data']['erring_channel'] == route[1]['channel']