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ipfs-msgproto

This is a node module to make writing wire protocol stacks on top of streams easier. In particular, it's very helpful when your protocol layers manipulate those above (e.g. en/decryption). The way it works is that the user defines

• a Message type that inherits from message-protocol's Message
• a Protocol (duplex stream) for writing and reading message objects
• a codec: json, protobuf message, or capnp struct (optional)
• any special actions particular to the protocol (optional)

And this modules takes care of en/decoding, en/decapsulating, etc. BTW, it's recommended to use protobufs or capnp codecs for encoding/decoding to the wire. Though, at the very least, msgproto payloads are protobuf encoded, so you'll get smart wire scanning.

Install

npm install msgproto

Examples

Check out these shim protocols:

• ipfs-msgproto-integrity - multihash checksums
• ipfs-msgproto-network - to/from addressing
• ipfs-msgproto-nonce - guard against replay attacks
• ipfs-msgproto-crypto - encrypted shim protocol

And then see this sample protocol:

• msgproto-chat-example