add possibility to retrieve payment details from smart-contract on ma…

[eduv09]

Fixes #27

Solhint 6.0.2 fixes a bug and no longer required NatSpec for internal or private functions/variables

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.69%. Comparing base (2de453c) to head (7c3c33d).

Additional details and impacted files

@@             Coverage Diff              @@
##           develop      #28       +/-   ##
============================================
+ Coverage    73.68%   83.69%   +10.01%     
============================================
  Files            4        6        +2     
  Lines           57       92       +35     
  Branches        18       24        +6     
============================================
+ Hits            42       77       +35     
  Misses          15       15               

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