WIP: refactor: update to truffle ^5 and solidity ^0.5

[kizzx2]

Description

refactor: update to truffle ^5 and solidity ^0.5

What kind of change does this PR introduce?

Please check the boxes that the PR fulfills:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes below. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

What is the new behavior?

(Please define and describe any new functionality below. Clarify if this is a feature change)

Submission Checklist:

• Proposed code follows the style guide of this project
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• I have commented my code
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

Any Additional Information:

[satyamakgec]

@kizzx2 Thanks for showing interest. Test cases are failing could you please fix the test cases so I can review it to merge it.