As a side note, Galois have written an implementation of Tor which happily interacts with official tor, for use in HalVM based unikernels. So, if you want ephemeral tor nodes, HalVM is a pretty great way to get it working.

Edit: Video about it [2]

[1] https://github.com/GaloisInc/haskell-tor [2] https://www.youtube.com/watch?v=oHcHTFleNtg