Additional support in ledger_entry

[tequdev]

close #5198

High Level Overview of Change

Context of Change

Type of Change

• [x ] New feature (non-breaking change which adds functionality)

API Impact

• [x ] Public API: New feature (new methods and/or new fields)

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 82.22222% with 8 lines in your changes missing coverage. Please review.

Project coverage is 79.1%. Comparing base (e2fa5c1) to head (1400086). Report is 35 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/xrpld/rpc/handlers/LedgerEntry.cpp	82.2%	8 Missing :warning:

Additional details and impacted files

@@           Coverage Diff           @@
##           develop   #5236   +/-   ##
=======================================
  Coverage     79.1%   79.1%           
=======================================
  Files          817     817           
  Lines        71703   71748   +45     
  Branches      8238    8242    +4     
=======================================
+ Hits         56715   56753   +38     
- Misses       14988   14995    +7     

Files with missing lines	Coverage Δ
src/xrpld/rpc/handlers/LedgerEntry.cpp	79.5% <82.2%> (+0.6%)	:arrow_up:

... and 6 files with indirect coverage changes

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[mvadari]

I think the API for the singletons like amendments deserves a bit more discussion. I'm not entirely convinced that a boolean is the right way to go about it (but I'm also not sure what the right way should be).

[bthomee]

@tequdev We'll pick this one up soon - would you be able to resolve the conflicts?

[tequdev]

@tequdev We'll pick this one up soon - would you be able to resolve the conflicts?

done ✅

[mvadari]

@bthomee I think this PR might be superseded by #5237