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pytest: test utxopsbt with multiple taproot inputs does not crash the… #9055

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pytest: test utxopsbt with multiple taproot inputs does not crash the…
enaples Apr 13, 2026
8999a6a
pytest: make flake8 to pass. Fixing test format
enaples Apr 17, 2026
0dafe72
pytest: fixing style enforcement flake8
enaples Apr 17, 2026
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31 changes: 31 additions & 0 deletions tests/test_opening.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3018,3 +3018,34 @@ def test_zeroconf_withhold_htlc_failback(node_factory, bitcoind):

# l1's channel to l2 is still normal — no force-close
assert only_one(l1.rpc.listpeerchannels(l2.info['id'])['channels'])['state'] == 'CHANNELD_NORMAL'


@pytest.mark.openchannel('v1')
@pytest.mark.openchannel('v2')
@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
def test_signpsbt_multiple_taproot_inputs(node_factory, bitcoind):
"""Test signpsbt when a PSBT has a multiple taproot input"""
l1 = node_factory.get_node(opts=[{'experimental-dual-fund': None}])

amount = 200000

bitcoind.rpc.sendmany("",
{l1.rpc.newaddr('all')['p2tr']: amount / 10 ** 8,
l1.rpc.newaddr('all')['p2tr']: amount / 10 ** 8})

bitcoind.generate_block(1)

wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 2)

bitcoind.generate_block(6)
outputs = l1.rpc.listfunds()['outputs']

tx_list = []
for o in outputs:
txid = o['txid']
vout = o['output']
tx_list.append(f"{txid}:{vout}")

psbt = l1.rpc.utxopsbt("all", "300perkw", 1000, tx_list)['psbt']

l1.rpc.signpsbt(psbt)
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