feat: apply body

[Eikix]

closes #559

[codecov]

Codecov Report

Attention: Patch coverage is 99.63235% with 1 line in your changes missing coverage. Please review.

Project coverage is 82.68%. Comparing base (a392270) to head (9783a24).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
cairo/ethereum/cancun/fork.cairo	99.60%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #769      +/-   ##
==========================================
+ Coverage   81.60%   82.68%   +1.07%     
==========================================
  Files          56       56              
  Lines       12870    13138     +268     
==========================================
+ Hits        10503    10863     +360     
+ Misses       2367     2275      -92     

Flag	Coverage Δ
ci	82.68% <99.63%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[Eikix]

UPDATE: rebased on #788 to have tests be able to pass, careful not to merge this PR if #788 isn't approved

[enitrat]

needs to be merged to main

[Eikix]

needs to be merged to main

rebased