feat(evm): add missing block_hash_ref implementation

[oXtxNt9U]

Summary

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 54.15%. Comparing base (217f101) to head (65408aa).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1272      +/-   ##
===========================================
+ Coverage    53.81%   54.15%   +0.33%     
===========================================
  Files         1128     1131       +3     
  Lines        64144    64612     +468     
  Branches      1724     1801      +77     
===========================================
+ Hits         34521    34988     +467     
+ Misses       29330    29329       -1     
- Partials       293      295       +2     

Flag	Coverage Δ
contracts	98.60% <ø> (?)
packages	53.85% <100.00%> (+0.03%)	⬆️

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