(node_factory, bitcoind)
| 2490 | |
| 2491 | |
| 2492 | def test_fee_limits(node_factory, bitcoind): |
| 2493 | l1, l2, l3, l4 = node_factory.get_nodes(4, opts=[{'dev-max-fee-multiplier': 5, 'may_reconnect': True, |
| 2494 | 'allow_warning': True}, |
| 2495 | {'dev-max-fee-multiplier': 5, 'may_reconnect': True, |
| 2496 | 'allow_warning': True}, |
| 2497 | {'ignore-fee-limits': True, 'may_reconnect': True}, |
| 2498 | {}]) |
| 2499 | |
| 2500 | node_factory.join_nodes([l1, l2], fundchannel=True) |
| 2501 | |
| 2502 | # Kick off fee adjustment using HTLC. |
| 2503 | l1.pay(l2, 1000) |
| 2504 | assert 'ignore_fee_limits' not in only_one(l2.rpc.listpeerchannels()['channels']) |
| 2505 | assert 'ignore_fee_limits' not in only_one(l1.rpc.listpeerchannels()['channels']) |
| 2506 | |
| 2507 | # L1 asks for stupid low fee (will actually hit the floor of 253) |
| 2508 | l1.stop() |
| 2509 | l1.set_feerates((15, 15, 15, 15), False) |
| 2510 | # We need to increase l2's floor, so it rejects l1. |
| 2511 | l2.set_feerates((15000, 11000, 7500, 3750, 2000)) |
| 2512 | l1.start() |
| 2513 | |
| 2514 | if 'anchors/even' in only_one(l1.rpc.listpeerchannels()['channels'])['channel_type']['names']: |
| 2515 | fee = 1255 |
| 2516 | else: |
| 2517 | fee = 258 |
| 2518 | l1.daemon.wait_for_log(f'Received WARNING .*: update_fee {fee} outside range 2000-75000') |
| 2519 | # They hang up on *us* |
| 2520 | l1.daemon.wait_for_log('Peer transient failure in CHANNELD_NORMAL: channeld: Owning subdaemon channeld died') |
| 2521 | |
| 2522 | # Disconnects, but does not error. Make sure it's noted in their status though. |
| 2523 | # FIXME: does not happen for l1! |
| 2524 | # assert 'update_fee 253 outside range 1875-75000' in only_one(l1.rpc.listpeerchannels(l2.info['id'])['channels'])['status'][0] |
| 2525 | assert f'update_fee {fee} outside range 2000-75000' in only_one(l2.rpc.listpeerchannels(l1.info['id'])['channels'])['status'][0] |
| 2526 | |
| 2527 | assert only_one(l2.rpc.listpeerchannels()['channels'])['feerate']['perkw'] != fee |
| 2528 | # Make l2 accept those fees, and it should recover. |
| 2529 | assert only_one(l2.rpc.setchannel(l1.get_channel_scid(l2), ignorefeelimits=True)['channels'])['ignore_fee_limits'] is True |
| 2530 | assert only_one(l2.rpc.listpeerchannels()['channels'])['ignore_fee_limits'] is True |
| 2531 | |
| 2532 | # Now we stay happy (and connected!) |
| 2533 | wait_for(lambda: only_one(l2.rpc.listpeerchannels()['channels'])['feerate']['perkw'] == fee) |
| 2534 | assert only_one(l2.rpc.listpeerchannels()['channels'])['peer_connected'] is True |
| 2535 | |
| 2536 | # This will fail to mutual close, since l2 won't ignore insane *close* fees! |
| 2537 | assert l1.rpc.close(l2.info['id'], unilateraltimeout=5)['type'] == 'unilateral' |
| 2538 | |
| 2539 | # Make sure the resolution of this one doesn't interfere with the next! |
| 2540 | # Note: may succeed, may fail with insufficient fee, depending on how |
| 2541 | # bitcoind feels! |
| 2542 | l1.daemon.wait_for_log('sendrawtx exit') |
| 2543 | bitcoind.generate_block(1) |
| 2544 | sync_blockheight(bitcoind, [l1, l2]) |
| 2545 | |
| 2546 | # Trying to open a channel with too low a fee-rate is denied |
| 2547 | l1.rpc.connect(l4.info['id'], 'localhost', l4.port) |
| 2548 | with pytest.raises(RpcError, match='They sent (ERROR|WARNING) .* feerate_per_kw .* below minimum'): |
| 2549 | l1.fundchannel(l4, 10**6) |
nothing calls this directly
no test coverage detected