fix(validator): various fixes and coverage increase

[sebastijankuzner]

Summary

Checklist

• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.52%. Comparing base (d72f1a8) to head (fc67579).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1373      +/-   ##
===========================================
+ Coverage    59.05%   59.52%   +0.46%     
===========================================
  Files          964      968       +4     
  Lines        65525    65970     +445     
  Branches      1831     1933     +102     
===========================================
+ Hits         38699    39268     +569     
+ Misses       26587    26461     -126     
- Partials       239      241       +2     

Flag	Coverage Δ
contracts	97.74% <ø> (?)
packages	59.26% <100.00%> (+0.20%)	⬆️

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