Add way to retarget specific peers on the network to account for the new LIP advertising feature

[jondubois]

Expected behavior

In order to support the block/transaction advertising feature, there needs to be a mechanism for sending a request/message back to a specific peer (I.e. a peer which sent us an advertisement). This may require either adding a mechanism to bypass the default P2P routing algorithm.

Actual behavior

The core P2P API does not currently support a mechanism for sending a message to a specific peer; the routing is handled internally by the P2P library with no way to bypass the routing algorithm.

[benfavre]

Has anyone suggested or have there been discussions about migrating to support libp2p yet ? If not, this might be the time ?

[shuse2]

We currently have our own p2p library package called lisk-p2p, and we are trying to implement our own P2P protocol, which is described in LIP 0004.