rlp: More tests and experimental uint64 encoding

[chfast]

[codecov[bot]]

Codecov Report

Merging #506 (d2193b9) into master (d11cbf5) will increase coverage by 0.00%. The diff coverage is 100.00%.

:exclamation: Current head d2193b9 differs from pull request most recent head 540c59f. Consider uploading reports for the commit 540c59f to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #506   +/-   ##
=======================================
  Coverage   99.41%   99.41%           
=======================================
  Files          54       53    -1     
  Lines        5262     5321   +59     
=======================================
+ Hits         5231     5290   +59     
  Misses         31       31           

Flag	Coverage Δ
blockchaintests	77.86% <ø> (+0.07%)	:arrow_up:
statetests	7.48% <0.00%> (-0.11%)	:arrow_down:
unittests	99.55% <100.00%> (+<0.01%)	:arrow_up:

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

Impacted Files	Coverage Δ
test/unittests/state_rlp_test.cpp	99.19% <100.00%> (+0.68%)	:arrow_up:
test/unittests/eof_test.cpp	97.05% <0.00%> (-0.31%)	:arrow_down:
lib/evmone/baseline.cpp	100.00% <0.00%> (ø)
test/statetest/statetest_loader.cpp	97.89% <0.00%> (ø)
test/unittests/execution_state_test.cpp	100.00% <0.00%> (ø)
lib/evmone/baseline.hpp
lib/evmone/execution_state.hpp	94.73% <0.00%> (+0.19%)	:arrow_up:

[axic]

@chfast wen merge?

[chfast]

Rebased and modernized.