Function test_no_fee_estimate

tests/test_connection.py:2923–3009

(node_factory, bitcoind, executor)

def test_no_fee_estimate(node_factory, bitcoind, executor):
    l1 = node_factory.get_node(start=False, options={'dev-no-fake-fees': True},
                               may_reconnect=True)

    # Fail any fee estimation requests until we allow them further down
    l1.daemon.rpcproxy.mock_rpc('estimatesmartfee', {
        'error': {"errors": ["Insufficient data or no feerate found"], "blocks": 0}
    })
    l1.start()

    l2 = node_factory.get_node(may_reconnect=True)
    l1.rpc.connect(l2.info['id'], 'localhost', l2.port)

    # Can't fund a channel.
    l1.fundwallet(10**7)
    with pytest.raises(RpcError, match=r'Cannot estimate fees'):
        l1.rpc.fundchannel(l2.info['id'], 10**6)

    # Can't withdraw either.
    with pytest.raises(RpcError, match=r'Cannot estimate fees'):
        l1.rpc.withdraw(l2.rpc.newaddr('bech32')['bech32'], 'all')

    # Can't use feerate names, either.
    with pytest.raises(RpcError, match=r'Cannot estimate fees'):
        l1.rpc.withdraw(l2.rpc.newaddr('bech32')['bech32'], 'all', 'urgent')

    with pytest.raises(RpcError, match=r'Cannot estimate fees'):
        l1.rpc.withdraw(l2.rpc.newaddr('bech32')['bech32'], 'all', 'normal')

    with pytest.raises(RpcError, match=r'Cannot estimate fees'):
        l1.rpc.withdraw(l2.rpc.newaddr('bech32')['bech32'], 'all', 'slow')

    with pytest.raises(RpcError, match=r'Cannot estimate fees'):
        l1.rpc.fundchannel(l2.info['id'], 10**6, 'urgent')

    with pytest.raises(RpcError, match=r'Cannot estimate fees'):
        l1.rpc.fundchannel(l2.info['id'], 10**6, 'normal')

    with pytest.raises(RpcError, match=r'Cannot estimate fees'):
        l1.rpc.fundchannel(l2.info['id'], 10**6, 'slow')

    # With anchors, not even with manual feerate!
    l1.rpc.withdraw(l2.rpc.newaddr('bech32')['bech32'], 10000, '1500perkb')
    if TEST_NETWORK == 'regtest':
        with pytest.raises(RpcError, match=r'Cannot estimate fees'):
            l1.rpc.fundchannel(l2.info['id'], 10**6, '2000perkw', minconf=0)

    # Can accept incoming connections, can't allow incoming channels
    l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
    with pytest.raises(RpcError, match=r'feerates unknown'):
        l2.fundchannel(l1, 10**6)

    # Re-enable fees for a moment so we can fund channel.
    l1.set_feerates((15000, 11000, 7500, 3750), True)
    l2.fundchannel(l1, 10**6)
    l1.daemon.rpcproxy.mock_rpc('estimatesmartfee', {
        'error': {"errors": ["Insufficient data or no feerate found"], "blocks": 0}
    })