chore: improve code quality

[ubogdan]

Describe the PR
improve code quality

Relation issue
NONE

Additional context
NONE

[codecov]

Codecov Report

Merging #1050 (6070e12) into master (60fc849) will increase coverage by 0.07%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1050      +/-   ##
==========================================
+ Coverage   93.89%   93.97%   +0.07%     
==========================================
  Files           8        8              
  Lines        2096     2090       -6     
==========================================
- Hits         1968     1964       -4     
+ Misses         67       66       -1     
+ Partials       61       60       -1     

Impacted Files	Coverage Δ
operation.go	95.88% <100.00%> (+0.28%)	⬆️

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