* Problem: deep context stack efficienty is not benchmarked
Closes: #626
Solution:
- add a benchmark to demonstrate an extremely inefficiency in deep
context stack
* Update x/evm/keeper/benchmark_test.go
* prefix storage is irrelevant
* add comment to state_transition.go
Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>