Function test_generate_gossip_store

tests/test_gossip.py:2259–2325

(node_factory)

def test_generate_gossip_store(node_factory):
    l1 = node_factory.get_node(start=False)
    chans = [GenChannel(0, 1),
             GenChannel(0, 2, capacity_sats=5000),
             GenChannel(0, 3,
                        forward=GenChannel.Half(enabled=False,
                                                htlc_min=10,
                                                htlc_max=5000000 - 10,
                                                basefee=10,
                                                propfee=10),
                        reverse=GenChannel.Half(htlc_min=11,
                                                htlc_max=5000000 - 11,
                                                basefee=11,
                                                propfee=11)),
             GenChannel(0, 4)]
    gsfile, nodemap = generate_gossip_store(chans)

    # Set up l1 with this as the gossip_store
    shutil.copy(gsfile.name, os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'gossip_store'))
    l1.start()

    nodes = [nodemap[i] for i in range(0, 5)]
    expected = []
    chancount = 0
    for c in chans:
        for d in (0, 1):
            # listchannels direction 0 always lesser -> greater.
            if nodes[c.node1] < nodes[c.node2]:
                expected_dir = d
            else:
                expected_dir = d ^ 1
            channel_flags = expected_dir
            if not c.half[d].enabled:
                active = False
                channel_flags |= 2
            else:
                active = True
            if d == 0:
                n1 = nodes[c.node1]
                n2 = nodes[c.node2]
            else:
                n1 = nodes[c.node2]
                n2 = nodes[c.node1]

            expected.append({'source': n1,
                             'destination': n2,
                             'short_channel_id': '{}x{}x{}'.format(c.node1 + chancount, c.node2, chancount),
                             'direction': expected_dir,
                             'public': True,
                             'amount_msat': c.capacity_sats * 1000,
                             'message_flags': 1,
                             'channel_flags': channel_flags,
                             'active': active,
                             'last_update': 0,
                             'base_fee_millisatoshi': c.half[d].basefee,
                             'fee_per_millionth': c.half[d].propfee,
                             'delay': c.half[d].delay,
                             'htlc_minimum_msat': c.half[d].htlc_min,