pub fn network_config(&self) -> NetworkConfig {
    debug_assert!(!self.network.disable);

    let bootstrap_addresses =
        self.network.bootstrap_addresses.iter().map(|s| SocketAddr::from_str(s).unwrap()).collect::<Vec<_>>();
    NetworkConfig {
        port: self.network.port,
        bootstrap_addresses,
        min_peers: self.network.min_peers,
        max_peers: self.network.max_peers,
        address: self.network.address.to_string(),
    }
}