let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);