Function solana_gossip::gossip_service::discover

pub fn discover(
    keypair: Option<Keypair>,
    entrypoint: Option<&SocketAddr>,
    num_nodes: Option<usize>,
    timeout: Duration,
    find_node_by_pubkey: Option<Pubkey>,
    find_node_by_gossip_addr: Option<&SocketAddr>,
    my_gossip_addr: Option<&SocketAddr>,
    my_shred_version: u16,
    socket_addr_space: SocketAddrSpace
) -> Result<(Vec<ContactInfo>, Vec<ContactInfo>)>