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Reproduce issue #3684

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Fixed-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Antoine Poinsot <darosior@protonmail.com>
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Antoine Poinsot 2020-05-02 14:23:49 +02:00 • committed by Rusty Russell
parent 55cd61e3e5
commit f83a1e0f2d
1 changed files with 29 additions and 0 deletions
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29
tests/test_pay.py
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@ -452,6 +452,35 @@ def test_payment_duplicate_uncommitted(node_factory, executor):
fut2.result(10)
@pytest.mark.xfail(strict=True)
@unittest.skipIf(not DEVELOPER, "Too slow without --dev-fast-gossip")
def test_pay_maxfee_shadow(node_factory):
"""Test that we respect maxfeepercent for shadow routing."""
l1, l2, l3 = node_factory.line_graph(3, fundchannel=True,
wait_for_announce=True)
# We use this to search for shadow routes
wait_for(
lambda: len(l1.rpc.listchannels(source=l2.info["id"])["channels"]) > 1
)
# shadow routes are random, so run multiple times.
for i in range(5):
# A tiny amount, we must not add the base_fee between l2 and l3
amount = 2
bolt11 = l2.rpc.invoice(amount, "tiny.{}".format(i), "tiny")["bolt11"]
pay_status = l1.rpc.pay(bolt11)
assert pay_status["amount_msat"] == Millisatoshi(amount)
# shadow routes are random, so run multiple times.
for i in range(5):
# A bigger amount, shadow routing could have been used but we set a low
# maxfeepercent.
amount = 20000
bolt11 = l2.rpc.invoice(amount, "big.{}".format(i), "bigger")["bolt11"]
pay_status = l1.rpc.pay(bolt11, maxfeepercent="0.000001")
assert pay_status["amount_msat"] == Millisatoshi(amount)
def test_sendpay(node_factory):
l1, l2 = node_factory.line_graph(2, fundamount=10**6)