Cater ethclient with finalized and safe blocks

[ClarkChenc]

No description provided.

[codecov-commenter]

Codecov Report

Merging #59 (dea8eb2) into develop (97ef7d9) will increase coverage by 0.27%.
The diff coverage is n/a.

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@@             Coverage Diff             @@
##           develop      #59      +/-   ##
===========================================
+ Coverage    13.62%   13.90%   +0.27%     
===========================================
  Files           11       11              
  Lines         1431     1431              
===========================================
+ Hits           195      199       +4     
+ Misses        1180     1176       -4     
  Partials        56       56              

see 1 file with indirect coverage changes

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