Yes, I’ve seen it. It’s quite decent coding. It has some sub libs that can be reused. I was thinking I could use some of the crypto stuff at least, and it’s definitely the authoritative reference right now for anyone wanting to implement a blockchain thingie from scratch in our favorite PL. 
Those who haven’t seen it, should, I read most of the code. The only reason I might not want to reuse a large portion of it is these crypto FUDsters who might claim something like “you just forked tezos”.