channelgraph.py 文件源码

def ordered_neighbors(nx_graph, our_address, target_address):
    paths = list()

    try:
        all_neighbors = networkx.all_neighbors(nx_graph, our_address)
    except networkx.NetworkXError:
        # If `our_address` is not in the graph, no channels opened with the
        # address
        return []

    for neighbor in all_neighbors:
        try:
            length = networkx.shortest_path_length(
                nx_graph,
                neighbor,
                target_address,
            )
            heappush(paths, (length, neighbor))
        except (networkx.NetworkXNoPath, networkx.NodeNotFound):
            pass

    return paths