py-libp2p/examples/sharding/topologies_isolated/simple_1_chain.json

{
    "node_id_map": {
        "sender": "/ip4/127.0.0.1/tcp/8004",
        "0": "/ip4/127.0.0.1/tcp/8005"
    },
    "topology": {
        "sender": ["0"],
        "0": ["sender"]
    },
    "topic_map": {
        "0": "topic1"
    },
    "ACK_PROTOCOL": "/ack/1.0.0"
}