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b98f46c04d
* Avoid global in p2p macro (fixes #4578) * copy p2p macro to this repo and start de-crufting it * make protocol registration dynamic, removing light client hacks et al * split out light client protocol into its own file * cleanups * Option -> Opt * remove more cruft * further split beacon_sync this allows the light client to respond to peer metadata messages without exposing the block sync protocol * better protocol init * "constant" protocol index * avoid casts * copyright * move some discovery code to discovery * avoid extraneous data copy when sending chunks * remove redundant forkdigest field * document how to connect to a specific peer
Networking
This folders hold a collection of modules to:
- configure the Eth2 P2P network
- discover, connect, and maintain quality Eth2 peers
Data received is handed other to the ../gossip_processing modules for validation.
Security concerns
- Collusion: part of the peer selection must be kept random. This avoids peers bringing all their friends and colluding against a beacon node.
- Denial-of-service: The beacon node must provide ways to handle burst of data that may come:
- from malicious nodes trying to DOS us
- from long periods of non-finality, creating lots of forks, attestations, forks