under construction

Description

Hopr makes use of several libraries within the (js-)libp2p ecosystem, including js-libp2p itself. The js-libp2p ecosystem misses a working implementation to traverse NATs which is an important feature for hoprd in order to act as a layer0 network.

Relevant issues

none yet

Concepts

• layer seperation: base (TCP etc.), encryption (libp2p-noise), multiplexer (libp2p-mplex), "application"
• DHT for node discovery and address announcement
• Streams using AsyncIterables

Libraries

• peerId - holds public keys and provides methods to encode the public key
• multiaddr - structures and encodes addresses

Stream libraries

• it-pushable - FIFO queue for streams
• it-handshake - ping-pong message helper
• abortable-iterator - make Promise-based streams abortable
• stream-to-it - wraps sockets into streams

Libp2p and its libraries

• @chainsafe/libp2p-noise - TLS-like encryption for libp2p
• libp2p-kad-dht - DHT implementation, used to publish and discover addresses
• libp2p-mplex - multiplexer for libp2p, >1 stream per connection
• libp2p - p2p framework, wiring DHT, multiplexer and encryption layer

Interesting

• feat: convert to typescript libp2p/js-libp2p#1172

Definition of DONE

• reverse-spec is available in written from
• reverse-spec has been peer-reviewed and accepted as complete
• reverse-spec has been presented to the team in a dedicated session