Add checksum check

[sandipbhoir]

Description

https://github.com/Zilliqa/Issues/issues/553

Backward Compatibility

• This is not a breaking change
• This is a breaking change

Review Suggestion

Status

Implementation

• ready for review

Integration Test (Core Team)

• local machine test

• small-scale cloud test

[codecov-io]

Codecov Report

Merging #1738 into master will decrease coverage by 1.69%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #1738     +/-   ##
=========================================
- Coverage   33.55%   31.85%   -1.7%     
=========================================
  Files         270      270             
  Lines       33102    35742   +2640     
=========================================
+ Hits        11106    11385    +279     
- Misses      21996    24357   +2361

Impacted Files	Coverage Δ
tests/POW/test_POW.cpp	82.91% <0%> (-1.3%)	⬇️
src/libData/AccountData/AccountStoreSC.tpp	3.11% <0%> (-1.04%)	⬇️
src/libData/AccountData/AccountStore.cpp	61.32% <0%> (-0.55%)	⬇️
src/libNode/PoWProcessing.cpp	0% <0%> (ø)	⬆️
src/libNode/FinalBlockProcessing.cpp	0% <0%> (ø)	⬆️
src/libDirectoryService/DSBlockPreProcessing.cpp	0% <0%> (ø)	⬆️
src/libDirectoryService/PoWProcessing.cpp	0% <0%> (ø)	⬆️
src/libUtils/Logger.h	100% <0%> (ø)	⬆️
src/libPOW/pow.h	100% <0%> (ø)	⬆️
src/libNode/DSBlockProcessing.cpp	0% <0%> (ø)	⬆️
... and 13 more

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