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explicitly test the htlc slot limit in TestMppSplit

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f321x
2025-05-20 12:24:53 +02:00
parent 4a17d5a316
commit e433b8d5bf
1 changed files with 19 additions and 0 deletions
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19
tests/test_mpp_split.py
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@@ -68,6 +68,25 @@ class TestMppSplit(ElectrumTestCase):
# a splitting of the parts into two # a splitting of the parts into two
self.assertEqual(2, splits[4].config.number_parts()) self.assertEqual(2, splits[4].config.number_parts())
with self.subTest(msg="no htlc slots available"):
channels = self.channels_with_funds.copy()
# set all available slots to 0
for chan, (amount, _slots) in channels.items():
channels[chan] = (amount, 0)
with self.assertRaises(NoPathFound):
mpp_split.suggest_splits(20_000_000, channels, exclude_single_part_payments=False)
with self.subTest(msg="only one channel can add htlcs"):
channels = self.channels_with_funds.copy()
# set all available slots to 0 except for the first channel
for chan, (amount, _slots) in channels.items():
if chan != (b"0", b"0"):
channels[chan] = (amount, 0)
splits = mpp_split.suggest_splits(1_000_000_000, channels, exclude_single_part_payments=True)
for split in splits:
# check that the whole amount has been split on this channel
self.assertEqual(sum(split.config[(b"0", b"0")]), 1_000_000_000)
def test_send_to_single_node(self): def test_send_to_single_node(self):
splits = mpp_split.suggest_splits(1_000_000_000, self.channels_with_funds, exclude_single_part_payments=False, exclude_multinode_payments=True) splits = mpp_split.suggest_splits(1_000_000_000, self.channels_with_funds, exclude_single_part_payments=False, exclude_multinode_payments=True)
for split in splits: for split in splits: