Show HN: I wrote a BitTorrent Client from scratch

Summary

A BitTorrent client implementation in Go that supports downloading files using the BitTorrent protocol. This project implements the core functionality of a BitTorrent client, including torrent file parsing, peer discovery, and file downloading. Features Bencode Encoding/Decoding Support for all Bencode types (strings, integers, lists, dictionaries) Robust error handling and validation Torrent File Processing Parse .torrent files (both single-file and multi-file torrents) Info hash calculation Piece hash extraction Support for all standard torrent file fields Peer Discovery and Communication HTTP tracker support Peer handshake protocol Complete BitTorrent message protocol Peer connection management Download Functionality Piece and block management Concurrent downloads Progress tracking File assembly for both single and multi-file torrents Storage management with block-level granularity Project Structure . ├── cmd/ # Command-line interface and main application ├── internal/ # Internal packages │ ├── bencode/ # Bencode encoding/decoding │ ├── torrent/ # Torrent file processing │ ├── tracker/ # Tracker protocol implementation │ ├── peer/ # Peer communication │ └── download/ # Download management └── pkg/ # Public packages Requirements Go 1.21 or later Installation git clone https://github.com/yourusername/go-torrent.git cd go-torrent go mod download Usage [Usage instructions will be added as the project matures] Development Status This project is actively under development. Current implementation status can be found in checkpoint.md. Planned Features Magnet link support Metadata exchange protocol DHT (Distributed Hash Table) support