Function solana_gossip::crds_gossip::maybe_ping_gossip_addresses

pub(crate) fn maybe_ping_gossip_addresses<R: Rng + CryptoRng>(
    rng: &mut R,
    nodes: impl IntoIterator<Item = ContactInfo>,
    keypair: &Keypair,
    ping_cache: &Mutex<PingCache>,
    pings: &mut Vec<(SocketAddr, Ping<[u8; 32]>)>
) -> Vec<ContactInfo>