registry-generator : Fixes for Solidity 0.5.2

[StefH]

Purpose

• updated generation code to fix errors and warnings when using Solidity 0.5.2

Does this introduce a breaking change?

[ ] Yes
[X] No

Pull Request Type

What kind of change does this Pull Request introduce?

[X] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]

• Test the code

1. Start the web-app and press the Generate Code button.
2. The generated Solidity code should be 0.5.2 compatible

What to Check

Verify that the following are valid

• memory is used

Other Information

See https://github.com/mstack/bootcamp-blockchain-smartcontracts/tree/master/Lab%205%20(Azure%20Accelerators) for a working example including solidity code and C# example.

[StefH]

Linked to/from : Azure-Samples/blockchain#151

[cnsegura]

Workbenchbase has been deprecated from the code generator. Can you please remove references to that base class?

[StefH]

Fixed, please double check

[cnsegura]

Thanks StefH, Workbench doesn't yet support Solidity 0.5.x but once it is upgraded we can take these changes