lightning-onion roadmap (HORNET, SURB's, general purpose)

[gpestana]

hey, nice work with ln and this module!

at hashmatter we're planning to implement the sphinx-onion and hornet message formats and protocols for general purpose, to be used as a privacy preserving primitive. it would be very helpful not to have to implement everything from the bottom up. since this module looks like the best golang implementation of sphinx, have you considered to refactor this module at any point for general purpose?

also, what are the goals in terms of implementing HORNET? again, it would be great to have a general purpose module that could be used by any project. I'm sure there are other project-related priorities, but I believe we could help with that.

[andreabenetton]

In this paper https://arxiv.org/abs/1802.08415, released by the same authors of Hornet, there are some points to be taken into account in case you're thinking to implement it. Specifically at 2.1, 4.1 and 5.2.