Function solana_download_utils::download_snapshot_archive

pub fn download_snapshot_archive<'a, 'b>(
    rpc_addr: &SocketAddr,
    full_snapshot_archives_dir: &Path,
    incremental_snapshot_archives_dir: &Path,
    desired_snapshot_hash: (Slot, Hash),
    snapshot_type: SnapshotType,
    maximum_full_snapshot_archives_to_retain: usize,
    maximum_incremental_snapshot_archives_to_retain: usize,
    use_progress_bar: bool,
    progress_notify_callback: &'a mut Option<Box<dyn FnMut(&DownloadProgressRecord) -> bool + 'b>>
) -> Result<(), String>

Download a snapshot archive from rpc_addr. Use snapshot_type to specify downloading either a full snapshot or an incremental snapshot.