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splice: Add test for splice RBF

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A test that does an RBF and a few HTLCs at various phases of the splice RBF
This commit is contained in:
Dusty Daemon
2025-05-05 15:57:54 -04:00
committed by Rusty Russell
parent 4466286167
commit 3d01b01dda
1 changed files with 57 additions and 2 deletions
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59
tests/test_splicing.py
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@@ -1,5 +1,4 @@
from fixtures import * # noqa: F401,F403
from flaky import flaky
from pyln.client import RpcError
import pytest
import unittest
@@ -12,7 +11,6 @@ from utils import (
@pytest.mark.openchannel('v1')
@pytest.mark.openchannel('v2')
@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
@flaky
def test_splice(node_factory, bitcoind):
l1, l2 = node_factory.line_graph(2, fundamount=1000000, wait_for_announce=True, opts={'experimental-splicing': None})
@@ -49,6 +47,63 @@ def test_splice(node_factory, bitcoind):
assert l1.db_query("SELECT count(*) as c FROM channeltxs;")[0]['c'] == 0
@pytest.mark.openchannel('v1')
@pytest.mark.openchannel('v2')
@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
def test_splice_rbf(node_factory, bitcoind):
l1, l2 = node_factory.line_graph(2, fundamount=1000000, wait_for_announce=True, opts={'experimental-splicing': None})
chan_id = l1.get_channel_id(l2)
funds_result = l1.rpc.addpsbtoutput(100000)
# Pay with fee by subjtracting 5000 from channel balance
result = l1.rpc.splice_init(chan_id, -105000, funds_result['psbt'])
result = l1.rpc.splice_update(chan_id, result['psbt'])
assert(result['commitments_secured'] is False)
result = l1.rpc.splice_update(chan_id, result['psbt'])
assert(result['commitments_secured'] is True)
result = l1.rpc.splice_signed(chan_id, result['psbt'])
l2.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
l1.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
mempool = bitcoind.rpc.getrawmempool(True)
assert len(list(mempool.keys())) == 1
assert result['txid'] in list(mempool.keys())
inv = l2.rpc.invoice(10**2, '1', 'no_1')
l1.rpc.pay(inv['bolt11'])
funds_result = l1.rpc.addpsbtoutput(100000)
# Pay with fee by subjtracting 5000 from channel balance
result = l1.rpc.splice_init(chan_id, -110000, funds_result['psbt'])
result = l1.rpc.splice_update(chan_id, result['psbt'])
assert(result['commitments_secured'] is False)
result = l1.rpc.splice_update(chan_id, result['psbt'])
assert(result['commitments_secured'] is True)
result = l1.rpc.splice_signed(chan_id, result['psbt'])
l2.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_AWAITING_SPLICE')
l1.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_AWAITING_SPLICE')
inv = l2.rpc.invoice(10**2, '2', 'no_2')
l1.rpc.pay(inv['bolt11'])
bitcoind.generate_block(6, wait_for_mempool=1)
l2.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
l1.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
inv = l2.rpc.invoice(10**2, '3', 'no_3')
l1.rpc.pay(inv['bolt11'])
# Check that the splice doesn't generate a unilateral close transaction
time.sleep(5)
assert l1.db_query("SELECT count(*) as c FROM channeltxs;")[0]['c'] == 0
@pytest.mark.openchannel('v1')
@pytest.mark.openchannel('v2')
@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')