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lightningd: add listclosedchannels command.

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Changelog-Added: JSON-RPC: `listclosedchannels` to show old, dead channels we previously had with peers.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2023-03-20 10:51:50 +10:30
parent e75cf2e7fb
commit 89f91b9bb4
9 changed files with 444 additions and 3 deletions
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40
tests/test_closing.py
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@@ -95,14 +95,50 @@ def test_closing_simple(node_factory, bitcoind, chainparams):
'ONCHAIN:All outputs resolved: waiting 90 more blocks before forgetting channel'
])
# Capture both side's image of channel before it's dead.
l1channel = only_one(l1.rpc.listpeerchannels(l2.info['id'])['channels'])
l2channel = only_one(l2.rpc.listpeerchannels(l1.info['id'])['channels'])
# Make sure both have forgotten about it
bitcoind.generate_block(90)
wait_for(lambda: len(l1.rpc.listchannels()['channels']) == 0)
wait_for(lambda: len(l2.rpc.listchannels()['channels']) == 0)
wait_for(lambda: len(l1.rpc.listpeerchannels()['channels']) == 0)
wait_for(lambda: len(l2.rpc.listpeerchannels()['channels']) == 0)
# The entry in the channels table should still be there
assert l1.db_query("SELECT count(*) as c FROM channels;")[0]['c'] == 1
assert l2.db_query("SELECT count(*) as c FROM channels;")[0]['c'] == 1
assert l1.db_query("SELECT count(*) as p FROM peers;")[0]['p'] == 1
assert l2.db_query("SELECT count(*) as p FROM peers;")[0]['p'] == 1
# Test listclosedchannels is correct.
l1closedchannel = only_one(l1.rpc.listclosedchannels()['closedchannels'])
l2closedchannel = only_one(l2.rpc.listclosedchannels(l1.info['id'])['closedchannels'])
# These fields do not appear in listpeerchannels!
l1_only_closed = {'total_local_commitments': 2,
'total_remote_commitments': 2,
'total_htlcs_sent': 1,
'leased': False,
'close_cause': 'user'}
l2_only_closed = {'total_local_commitments': 2,
'total_remote_commitments': 2,
'total_htlcs_sent': 0,
'leased': False,
'close_cause': 'remote'}
# These fields have different names
renamed = {'last_commitment_txid': 'scratch_txid',
'last_commitment_fee_msat': 'last_tx_fee_msat',
'final_to_us_msat': 'to_us_msat'}
for chan, closedchan, onlyclosed in (l1channel, l1closedchannel, l1_only_closed), (l2channel, l2closedchannel, l2_only_closed):
for k, v in closedchan.items():
if k in renamed:
assert chan[renamed[k]] == v
elif k in onlyclosed:
assert closedchan[k] == onlyclosed[k]
else:
assert chan[k] == v
assert account_balance(l1, channel_id) == 0
assert account_balance(l2, channel_id) == 0