Fix diva settle cmd

[akremstudy]

Summary

Fixed settle cmd and its test Remove hardcoded legacy gas price Added HexBytes wrapper to raise error when int or bool types

Steps Taken to QA Changes

Added test for the added wrapper, Ran all the tests to make sure everything is passing

Checklist

This pull request is:

• [ ] A documentation error, docs update, or typographical error fix
  • No tests or issue needed
• [x] A code fix
  • Please reference the related issue by including "Closes <link to issue>" in this Pull Request's summary section.
    • If no issue exists, please create a bug report issue
  • Please include tests. Fixes without tests will not be accepted unless it's related to the documentation only.
  • Please make sure docs are updated if need be
• [ ] A feature implementation
  • Please reference the related issue by including "Closes <link to issue>" in this Pull Request's summary section.
    • If no issue exists, please create a feature enhancement issue
  • Please include tests
  • Please make sure docs updates are both thorough and easy to reproduce by somebody with limited knowledge of the feature that you are submitting

Happy engineering!