Function test_no_fee_estimate

tests/test_connection.py:2793–2881

(node_factory, bitcoind, executor)

@pytest.mark.developer("needs dev_fail")
def test_no_fee_estimate(node_factory, bitcoind, executor):
    l1 = node_factory.get_node(start=False, options={'dev-no-fake-fees': 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()
    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'], 'all')

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

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

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

    # Can with manual feerate.
    l1.rpc.withdraw(l2.rpc.newaddr()['bech32'], 10000, '1500perkb')
    l1.rpc.fundchannel(l2.info['id'], 10**6, '2000perkw', minconf=0)

    # Make sure we clean up cahnnel for later attempt.
    l1.daemon.wait_for_log('sendrawtx exit 0')
    l1.rpc.dev_fail(l2.info['id'])
    l1.daemon.wait_for_log('Failing due to dev-fail command')
    l1.wait_for_channel_onchain(l2.info['id'])
    bitcoind.generate_block(6)
    wait_for(lambda: only_one(l1.rpc.getpeer(l2.info['id'])['channels'])['state'] == 'ONCHAIN')
    wait_for(lambda: only_one(l2.rpc.getpeer(l1.info['id'])['channels'])['state'] == 'ONCHAIN')

    # But can accept incoming connections.
    l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
    l2.fundchannel(l1, 10**6)

    # Can do HTLCs.