Support validating initcode containers in eofparse

[gumb0]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.12%. Comparing base (b790bc7) to head (d2b07d2).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #934   +/-   ##
=======================================
  Coverage   95.11%   95.12%           
=======================================
  Files         140      140           
  Lines       15881    15885    +4     
=======================================
+ Hits        15106    15110    +4     
  Misses        775      775           

Flag	Coverage Δ
eof_execution_spec_tests	16.36% <0.00%> (-0.01%)	⬇️
ethereum_tests	26.87% <0.00%> (-0.01%)	⬇️
ethereum_tests_silkpre	18.36% <0.00%> (-0.01%)	⬇️
execution_spec_tests	17.83% <0.00%> (-0.01%)	⬇️
unittests	90.27% <100.00%> (+<0.01%)	⬆️

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Files	Coverage Δ
test/eofparse/eofparse.cpp	92.30% <100.00%> (+0.87%)	⬆️