Implement the "Proof of Participation" feature

[12sachingupta]

To implement the "Proof of Participation" feature as described, we can follow these steps:

1. Design Proof Generation :

   • Determine the format of the proof (NFT, digital certificate).
   • Ensure that the proof does not reveal the voter's choice to maintain privacy.
   • Decide whether to store the proof on-chain or off-chain.

2. Update SemaphoreClient.sol :

   • Add a new event that emits the proof of participation after a vote is cast.
   • Emit the necessary data for generating the proof, such as the user's address and the voting event details.

3. Update VotingProcess.sol :

   • Implement a function to record the proofs securely.
   • Ensure that the proofs are non-transferable and cannot be altered once generated.
   • Link each proof to the respective voter's address and the specific voting event.

4. Consider Separating Concerns :

   • Create a new interface or contract responsible for generating, assigning, and querying proofs.
   • Keep the concerns separated for better modularity and maintainability.

5. Gas Optimization :

   • Evaluate the gas implications of the feature and optimize for cost-efficiency.
   • Minimize gas costs wherever possible, especially if storing proofs on-chain.

6. Testing and Deployment :

   • Thoroughly test the feature to ensure it functions as expected and does not introduce vulnerabilities.
   • Deploy the updated contracts to the appropriate network, considering factors such as network congestion and transaction fees.

7. Documentation and Feedback :

   • Provide documentation for developers on how to interact with the new feature.
   • Solicit feedback from users and stakeholders to gather insights on the feature's usability and effectiveness.

8. Iterate Based on Feedback:

   • Based on feedback, iterate on the feature implementation to address any issues or suggestions raised.
   • Continuously monitor and maintain the feature to ensure its ongoing effectiveness and security.

By following these steps, we can successfully implement the "Proof of Participation" feature, enhancing engagement and incentivizing participation within the Semaphore platform.

Originally posted by @12sachingupta in #13 (comment)