feat: Codec (encode and decode) utils

[georgylobko]

Issue #, if available:

Description of changes:

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.23%. Comparing base (519f411) to head (ebf4ff6).
⚠️ Report is 45 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #88      +/-   ##
==========================================
+ Coverage   99.21%   99.23%   +0.01%     
==========================================
  Files          14       16       +2     
  Lines         509      521      +12     
  Branches      180      181       +1     
==========================================
+ Hits          505      517      +12     
  Misses          4        4              

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