I do have the code that do the thing.

https://m.primal.net/HxnG.png 

Also, I think Coracle WoT model is very naive. Why pow(2, log(n)))

2^ln(n) = 2^( log2(n) / log2(e) ) = n ^ (1/log2(e))

Wtf is that? It's ugly! it's arbitrary!