check fee denom must be okt

[BananaLF]

• Targeted PR against correct branch (see CONTRIBUTING.md)

• [ ] Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• [ ] Wrote tests

• [ ] Updated relevant documentation (docs/)

• [ ] Added a relevant changelog entry to the Unreleased section in CHANGELOG.md

• [ ] Reviewed Files changed in the github PR explorer

---

For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge PR #XYZ: [title]" (coding standards)

[codecov-commenter]

Codecov Report

Merging #2421 (70f8e74) into dev (bb8c2ef) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev    #2421   +/-   ##
=======================================
  Coverage   34.35%   34.35%           
=======================================
  Files         342      342           
  Lines       38976    38976           
=======================================
  Hits        13391    13391           
  Misses      24578    24578           
  Partials     1007     1007           

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