Feat/3-bit

[dovgopoly]

• Since this PR suggests a bug fix, the tests have been added and the coverage is 100%.
• Since this PR introduces a new feature, the update has been discussed in an Issue or with the team.
• This PR is just a minor change, like a typo fix.

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[codecov]

Codecov Report

Attention: Patch coverage is 95.74468% with 2 lines in your changes missing coverage. Please review.

Project coverage is 99.72%. Comparing base (3585f10) to head (ab87520).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
contracts/libs/crypto/ECDSA384.sol	95.74%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #127      +/-   ##
==========================================
- Coverage   99.75%   99.72%   -0.03%     
==========================================
  Files          56       56              
  Lines        3278     3301      +23     
  Branches      489      495       +6     
==========================================
+ Hits         3270     3292      +22     
- Misses          8        9       +1     

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[Arvolear]

LGTM!