This Go package provides a utility to download and extract tar archives from public URLs. It's tailored for downloading Lux network archives but can be adapted for other use cases.

Features

Downloads files from predefined URLs.
Tracks download progress and logs status updates.
Safely unpacks .tar archives to a target directory.
Includes security checks to prevent path traversal and manage large files.

Usage example

// Copyright (C) 2025, Lux Industries, Inc. All rights reserved
// See the file LICENSE for licensing terms.

package main

import ( "fmt" "os"

"github.com/luxfi//sdk/network"
"github.com/luxfi/luxd/utils/constants"
"github.com/luxfi/luxd/utils/logging"
"github.com/your-repo-name/publicarchive"

)

func main() { // Initialize the downloader downloader, err := publicarchive.NewDownloader(network.TestnetNetwork(), logging.Debug) if err != nil { fmt.Printf("Failed to create downloader: %v\n", err) os.Exit(1) }

// Start downloading
if err := downloader.Download(); err != nil {
	fmt.Printf("Download failed: %v\n", err)
	os.Exit(1)
}

// Specify the target directory for unpacking
targetDir := "./extracted_files"
if err := downloader.UnpackTo(targetDir); err != nil {
	fmt.Printf("Failed to unpack archive: %v\n", err)
	os.Exit(1)
}

fmt.Printf("Files successfully unpacked to %s\n", targetDir)

}