Simple BitTorrent Client (fast-peer)

A compact BitTorrent client focused on fast peer acquisition and reliable downloads. Designed for experimentation, research, and lightweight seeding — not a production-grade client.

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Overview

This project implements a simple BitTorrent client with an emphasis on:

• Immediate piece requests after handshake (no startup delay) to reduce idle time.
• DHT support (BEP 5) for trackerless peer discovery.
• DHT port advertisement/consumption via message type 9 (metadata/magnet support).
• Auto-replenish peers through DHT lookups when connections drop.
• Optional magnet metadata downloader and a minimal seeder implementation.

Ideal for: testing swarm behavior, research on peer discovery strategies, and small-scale seeding.

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Features

• Tracker discovery (HTTP/UDP) using standard announce requests.
• DHT node with get_peers / find_node support (BEP 5).
• PEX support where available (ut_pex).
• Parallel block requests per piece (configurable concurrency) for higher throughput.
• Auto-reconnect and peer replenishment from DHT when peers disconnect.
• Optional app/seeder.py to seed a .torrent (requires libtorrent).

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Requirements

• Python 3.10+ (tested on Linux)
• requests (used for HTTP trackers):

pip install requests

• Optional: libtorrent (only required if you want to run app/seeder.py)

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