327 lines
14 KiB
Python
327 lines
14 KiB
Python
from fixtures import * # noqa: F401,F403
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from flaky import flaky
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from pyln.client import RpcError
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import pytest
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import unittest
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import time
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from utils import (
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sync_blockheight, wait_for, TEST_NETWORK, first_scid, only_one
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)
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@pytest.mark.openchannel('v1')
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@pytest.mark.openchannel('v2')
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@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
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@flaky
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def test_splice(node_factory, bitcoind):
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l1, l2 = node_factory.line_graph(2, fundamount=1000000, wait_for_announce=True, opts={'experimental-splicing': None})
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chan_id = l1.get_channel_id(l2)
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# add extra sats to pay fee
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funds_result = l1.rpc.fundpsbt("109000sat", "slow", 166, excess_as_change=True)
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result = l1.rpc.splice_init(chan_id, 100000, funds_result['psbt'])
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result = l1.rpc.splice_update(chan_id, result['psbt'])
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result = l1.rpc.signpsbt(result['psbt'])
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result = l1.rpc.splice_signed(chan_id, result['signed_psbt'])
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l2.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
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l1.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
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mempool = bitcoind.rpc.getrawmempool(True)
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assert len(list(mempool.keys())) == 1
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assert result['txid'] in list(mempool.keys())
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bitcoind.generate_block(6, wait_for_mempool=1)
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l2.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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l1.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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inv = l2.rpc.invoice(10**2, '3', 'no_3')
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l1.rpc.pay(inv['bolt11'])
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# Check that the splice doesn't generate a unilateral close transaction
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time.sleep(5)
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assert l1.db_query("SELECT count(*) as c FROM channeltxs;")[0]['c'] == 0
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@pytest.mark.openchannel('v1')
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@pytest.mark.openchannel('v2')
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@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
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def test_splice_gossip(node_factory, bitcoind):
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l1, l2, l3 = node_factory.line_graph(3, fundamount=1000000, wait_for_announce=True, opts={'experimental-splicing': None})
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chan_id = l1.get_channel_id(l2)
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pre_splice_scid = first_scid(l1, l2)
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# add extra sats to pay fee
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funds_result = l1.rpc.fundpsbt("109000sat", "slow", 166, excess_as_change=True)
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result = l1.rpc.splice_init(chan_id, 100000, funds_result['psbt'])
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result = l1.rpc.splice_update(chan_id, result['psbt'])
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result = l1.rpc.signpsbt(result['psbt'])
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result = l1.rpc.splice_signed(chan_id, result['signed_psbt'])
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wait_for(lambda: only_one(l2.rpc.listpeerchannels(l1.info['id'])['channels'])['state'] == 'CHANNELD_AWAITING_SPLICE')
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wait_for(lambda: only_one(l1.rpc.listpeerchannels(l2.info['id'])['channels'])['state'] == 'CHANNELD_AWAITING_SPLICE')
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bitcoind.generate_block(6, wait_for_mempool=result['txid'])
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# l3 will see channel dying, but still consider it OK for 12 blocks.
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l3.daemon.wait_for_log(f'gossipd: channel {pre_splice_scid} closing soon due to the funding outpoint being spent')
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assert len(l3.rpc.listchannels(short_channel_id=pre_splice_scid)['channels']) == 2
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assert len(l3.rpc.listchannels(source=l1.info['id'])['channels']) == 1
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wait_for(lambda: only_one(l2.rpc.listpeerchannels(l1.info['id'])['channels'])['state'] == 'CHANNELD_NORMAL')
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wait_for(lambda: only_one(l1.rpc.listpeerchannels(l2.info['id'])['channels'])['state'] == 'CHANNELD_NORMAL')
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post_splice_scid = first_scid(l1, l2)
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assert post_splice_scid != pre_splice_scid
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# l3 should see the new channel now.
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wait_for(lambda: len(l3.rpc.listchannels(short_channel_id=post_splice_scid)['channels']) == 2)
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assert len(l3.rpc.listchannels(short_channel_id=pre_splice_scid)['channels']) == 2
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bitcoind.generate_block(7)
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# The old channel should fall off l3's perspective
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wait_for(lambda: l3.rpc.listchannels(short_channel_id=pre_splice_scid)['channels'] == [])
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assert len(l3.rpc.listchannels(short_channel_id=post_splice_scid)['channels']) == 2
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# Check that the splice doesn't generate a unilateral close transaction
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time.sleep(5)
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assert l1.db_query("SELECT count(*) as c FROM channeltxs;")[0]['c'] == 0
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# Still looks normal from both sides
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assert only_one(l1.rpc.listpeerchannels()['channels'])['short_channel_id'] == post_splice_scid
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assert only_one(l1.rpc.listpeerchannels()['channels'])['state'] == 'CHANNELD_NORMAL'
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assert only_one(l2.rpc.listpeerchannels(l1.info['id'])['channels'])['short_channel_id'] == post_splice_scid
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assert only_one(l2.rpc.listpeerchannels(l1.info['id'])['channels'])['state'] == 'CHANNELD_NORMAL'
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# Check for channel announcement failure
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assert not l1.daemon.is_in_log("invalid local_channel_announcement")
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assert not l2.daemon.is_in_log("invalid local_channel_announcement")
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@pytest.mark.openchannel('v1')
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@pytest.mark.openchannel('v2')
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@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
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def test_splice_listnodes(node_factory, bitcoind):
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# Here we do a splice but underfund it purposefully
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l1, l2 = node_factory.line_graph(2, fundamount=1000000, wait_for_announce=True, opts={'experimental-splicing': None})
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chan_id = l1.get_channel_id(l2)
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# add extra sats to pay fee
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funds_result = l1.rpc.fundpsbt("109000sat", "slow", 166, excess_as_change=True)
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result = l1.rpc.splice_init(chan_id, 100000, funds_result['psbt'])
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result = l1.rpc.splice_update(chan_id, result['psbt'])
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result = l1.rpc.signpsbt(result['psbt'])
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result = l1.rpc.splice_signed(chan_id, result['signed_psbt'])
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l2.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
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l1.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
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assert len(l1.rpc.listnodes()['nodes']) == 2
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assert len(l2.rpc.listnodes()['nodes']) == 2
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bitcoind.generate_block(6, wait_for_mempool=1)
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l2.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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l1.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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bitcoind.generate_block(7)
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wait_for(lambda: len(l1.rpc.listnodes()['nodes']) == 2)
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wait_for(lambda: len(l2.rpc.listnodes()['nodes']) == 2)
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@pytest.mark.openchannel('v1')
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@pytest.mark.openchannel('v2')
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@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
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def test_splice_out(node_factory, bitcoind):
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l1, l2 = node_factory.line_graph(2, fundamount=1000000, wait_for_announce=True, opts={'experimental-splicing': None})
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chan_id = l1.get_channel_id(l2)
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funds_result = l1.rpc.addpsbtoutput(100000)
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# Pay with fee by subjtracting 5000 from channel balance
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result = l1.rpc.splice_init(chan_id, -105000, funds_result['psbt'])
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result = l1.rpc.splice_update(chan_id, result['psbt'])
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result = l1.rpc.splice_signed(chan_id, result['psbt'])
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l2.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
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l1.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
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mempool = bitcoind.rpc.getrawmempool(True)
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assert len(list(mempool.keys())) == 1
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assert result['txid'] in list(mempool.keys())
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bitcoind.generate_block(6, wait_for_mempool=1)
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l2.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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l1.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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inv = l2.rpc.invoice(10**2, '3', 'no_3')
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l1.rpc.pay(inv['bolt11'])
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# Check that the splice doesn't generate a unilateral close transaction
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time.sleep(5)
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assert l1.db_query("SELECT count(*) as c FROM channeltxs;")[0]['c'] == 0
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@pytest.mark.openchannel('v1')
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@pytest.mark.openchannel('v2')
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@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
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def test_invalid_splice(node_factory, bitcoind):
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# Here we do a splice but underfund it purposefully
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l1, l2 = node_factory.line_graph(2, fundamount=1000000, wait_for_announce=True, opts={'experimental-splicing': None,
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'may_reconnect': True,
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'allow_warning': True})
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chan_id = l1.get_channel_id(l2)
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# We claim to add 100000 but in fact add nothing
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result = l1.rpc.splice_init(chan_id, 100000)
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with pytest.raises(RpcError) as rpc_error:
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result = l1.rpc.splice_update(chan_id, result['psbt'])
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assert rpc_error.value.error["code"] == 357
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assert rpc_error.value.error["message"] == "You provided 1000000000msat but committed to 1100000000msat."
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# The splicing inflight should not have been left pending in the DB
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assert l1.db_query("SELECT count(*) as c FROM channel_funding_inflights;")[0]['c'] == 0
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l1.daemon.wait_for_log(r'Restarting channeld after tx_abort on CHANNELD_NORMAL channel')
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assert l1.db_query("SELECT count(*) as c FROM channel_funding_inflights;")[0]['c'] == 0
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# Now we do a real splice to confirm everything works after restart
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funds_result = l1.rpc.fundpsbt("109000sat", "slow", 166, excess_as_change=True)
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result = l1.rpc.splice_init(chan_id, 100000, funds_result['psbt'])
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result = l1.rpc.splice_update(chan_id, result['psbt'])
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result = l1.rpc.signpsbt(result['psbt'])
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result = l1.rpc.splice_signed(chan_id, result['signed_psbt'])
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mempool = bitcoind.rpc.getrawmempool(True)
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assert len(list(mempool.keys())) == 1
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assert result['txid'] in list(mempool.keys())
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# Wait until nodes are reconnected
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l1.daemon.wait_for_log(r'peer_in WIRE_CHANNEL_REESTABLISH')
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l2.daemon.wait_for_log(r'peer_in WIRE_CHANNEL_REESTABLISH')
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bitcoind.generate_block(6, wait_for_mempool=1)
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l2.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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l1.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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inv = l2.rpc.invoice(10**2, '3', 'no_3')
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l1.rpc.pay(inv['bolt11'])
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# Check that the splice doesn't generate a unilateral close transaction
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time.sleep(5)
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assert l1.db_query("SELECT count(*) as c FROM channeltxs;")[0]['c'] == 0
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@unittest.skip("Test is flaky causing CI to be unusable.")
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@pytest.mark.openchannel('v1')
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@pytest.mark.openchannel('v2')
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@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
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def test_commit_crash_splice(node_factory, bitcoind):
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# Here we do a normal splice out but force a restart after commiting.
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l1, l2 = node_factory.line_graph(2, fundamount=1000000, wait_for_announce=True, opts={'experimental-splicing': None,
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'may_reconnect': True})
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chan_id = l1.get_channel_id(l2)
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result = l1.rpc.splice_init(chan_id, -105000, l1.rpc.addpsbtoutput(100000)['psbt'])
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result = l1.rpc.splice_update(chan_id, result['psbt'])
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l1.daemon.wait_for_log(r"Splice initiator: we commit")
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l1.restart()
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# The splicing inflight should have been left pending in the DB
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assert l1.db_query("SELECT count(*) as c FROM channel_funding_inflights;")[0]['c'] == 1
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l1.daemon.wait_for_log(r'Restarting channeld after tx_abort on CHANNELD_NORMAL channel')
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assert l1.db_query("SELECT count(*) as c FROM channel_funding_inflights;")[0]['c'] == 1
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result = l1.rpc.splice_init(chan_id, -105000, l1.rpc.addpsbtoutput(100000)['psbt'])
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result = l1.rpc.splice_update(chan_id, result['psbt'])
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result = l1.rpc.splice_signed(chan_id, result['psbt'])
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l2.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
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l1.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
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mempool = bitcoind.rpc.getrawmempool(True)
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assert len(list(mempool.keys())) == 1
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assert result['txid'] in list(mempool.keys())
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bitcoind.generate_block(6, wait_for_mempool=1)
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l2.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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l1.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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time.sleep(1)
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assert l1.db_query("SELECT count(*) as c FROM channel_funding_inflights;")[0]['c'] == 0
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inv = l2.rpc.invoice(10**2, '3', 'no_3')
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l1.rpc.pay(inv['bolt11'])
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# Check that the splice doesn't generate a unilateral close transaction
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time.sleep(5)
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assert l1.db_query("SELECT count(*) as c FROM channeltxs;")[0]['c'] == 0
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@pytest.mark.openchannel('v1')
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@pytest.mark.openchannel('v2')
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@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
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def test_splice_stuck_htlc(node_factory, bitcoind, executor):
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l1, l2, l3 = node_factory.line_graph(3, wait_for_announce=True, opts={'experimental-splicing': None})
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l3.rpc.dev_ignore_htlcs(id=l2.info['id'], ignore=True)
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inv = l3.rpc.invoice(10000000, '1', 'no_1')
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executor.submit(l1.rpc.pay, inv['bolt11'])
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l3.daemon.wait_for_log('their htlc 0 dev_ignore_htlcs')
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# Now we should have a stuck invoice between l1 -> l2
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chan_id = l1.get_channel_id(l2)
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# add extra sats to pay fee
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funds_result = l1.rpc.fundpsbt("109000sat", "slow", 166, excess_as_change=True)
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result = l1.rpc.splice_init(chan_id, 100000, funds_result['psbt'])
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result = l1.rpc.splice_update(chan_id, result['psbt'])
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result = l1.rpc.signpsbt(result['psbt'])
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result = l1.rpc.splice_signed(chan_id, result['signed_psbt'])
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l2.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
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l1.daemon.wait_for_log(r'CHANNELD_NORMAL to CHANNELD_AWAITING_SPLICE')
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mempool = bitcoind.rpc.getrawmempool(True)
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assert len(list(mempool.keys())) == 1
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assert result['txid'] in list(mempool.keys())
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bitcoind.generate_block(1, wait_for_mempool=1)
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# Don't have l2, l3 reject channel_announcement as too far in future.
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sync_blockheight(bitcoind, [l1, l2, l3])
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bitcoind.generate_block(5)
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l2.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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l1.daemon.wait_for_log(r'CHANNELD_AWAITING_SPLICE to CHANNELD_NORMAL')
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# Check that the splice doesn't generate a unilateral close transaction
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time.sleep(5)
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assert l1.db_query("SELECT count(*) as c FROM channeltxs;")[0]['c'] == 0
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