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Also works in the browser withbrowserify!

This module is used byWebTorrent.

npm install bittorrent-peerid

importpeeridfrom'bittorrent-peerid'constparsed=peerid('-AZ2200-6wfG2wk6wWLc')console.log(parsed.client,parsed.version)

Theparsed peerid object looks like this:

{client:'Vuze',version:'2.2.0.0'}

bittorrent-peerid can parse peer ids encoded in the following formats:

• a 20-byte Buffer
• a 40-character hex string
• an arbitrarily-sized human-readable utf8 string (must decode to a 20-byte Buffer)

If an unknown peer id is passed in, the returned client will beunknown.

• Support known Azureus-style clients.
• Support known Shadow-style clients.
• Support known Mainline-style clients.
• Support known Custom-style clients.
• Recognize BitComet/Lord/Spirit spoofing.
• Full support for client version parsing.
• Full support for customized client version schemes.
• Support unknown clients that conform to either the Azureus or Shadow-style conventions.

This module is based heavily on the BTPeerIDByteDecoderDefinitions class fromAzureus (Vuze). Related resources include:

• BitTorrent Specification
• Transmission
• g3peerid
• Shareaza
• libtorrent

MIT. Copyright (c) Travis Fischer andWebTorrent, LLC.