WIP: [TM-80] Proper gas consumption

Description

https://gitlab.com/morley-framework/morley-old/merge_requests/177

Related issue(s)

https://issues.serokell.io/issue/TM-80

✅ Checklist for your Merge Request

Related changes (conditional)

• Tests (see short guidelines)

  • If I added new functionality, I added tests covering it.
  • If I fixed a bug, I added a regression test to prevent the bug from silently reappearing again.

• Documentation

  • I checked whether I should update the docs and did so if necessary:
    • README
    • Haddock
    • docs/

Stylistic guide (mandatory)

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• My code complies with the style guide.