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pytest: test that we can pay via routehints even if a 1000-min-htlc channel is in path.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2023-08-17 17:11:53 +09:30
parent f4e2d9a0ae
commit 2c3f8b8a04
1 changed files with 28 additions and 0 deletions
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28
tests/test_pay.py
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@ -5387,3 +5387,31 @@ def test_listsendpays_crash(node_factory):
inv = l1.rpc.invoice(40, "inv", "inv")["bolt11"]
l1.rpc.listsendpays('lightning:' + inv)
@pytest.mark.xfail(strict=True)
@pytest.mark.developer("updates are delayed without --dev-fast-gossip")
def test_pay_routehint_minhtlc(node_factory, bitcoind):
# l1 -> l2 -> l3 private -> l4
l1, l2, l3 = node_factory.line_graph(3, wait_for_announce=True)
l4 = node_factory.get_node()
l3.fundchannel(l4, announce_channel=False)
# l2->l3 required htlc of at least 1sat
scid = only_one(l2.rpc.setchannel(l3.info['id'], htlcmin=1000)['channels'])['short_channel_id']
# Make sure l4 knows about l1
wait_for(lambda: l4.rpc.listnodes(l1.info['id'])['nodes'] != [])
# And make sure l1 knows that l2->l3 has htlcmin 1000
wait_for(lambda: l1.rpc.listchannels(scid)['channels'][0]['htlc_minimum_msat'] == Millisatoshi(1000))
inv = l4.rpc.invoice(100000, "inv", "inv")
assert only_one(l1.rpc.decodepay(inv['bolt11'])['routes'])
# You should be able to pay the invoice!
l1.rpc.pay(inv['bolt11'])
# And you should also be able to getroute (and have it ignore htlc_min/max constraints!)
l1.rpc.getroute(l3.info['id'], amount_msat=0, riskfactor=1)