Sweep: Add function to return all ballots from the smart contract

Here's the PR! https://github.com/electora-vote/electora-app/pull/73.

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Step 1: 🔍 Code Search

I found the following snippets in your repository. I will now analyze these snippets and come up with a plan.

Some code snippets I looked at (click to expand). If some file is missing from here, you can mention the path in the ticket description.

https://github.com/electora-vote/electora-app/blob/e48fc6033ac73dfa72ff351934b7cdebf74fea31/client_code/services/storage.py#L1-L96 https://github.com/electora-vote/electora-app/blob/e48fc6033ac73dfa72ff351934b7cdebf74fea31/contracts/BallotManager.sol#L1-L49 https://github.com/electora-vote/electora-app/blob/e48fc6033ac73dfa72ff351934b7cdebf74fea31/client_code/forms/routes/ballot/Index/__init__.py#L1-L61 https://github.com/electora-vote/electora-app/blob/e48fc6033ac73dfa72ff351934b7cdebf74fea31/client_code/forms/routes/vote/ChooseCandidate/__init__.py#L1-L35 https://github.com/electora-vote/electora-app/blob/e48fc6033ac73dfa72ff351934b7cdebf74fea31/server_code/api.py#L1-L13

Step 2: 🧐 Snippet Analysis

From looking through the relevant snippets, I decided to make the following modifications:

File Path	Proposed Changes
`contracts/BallotManager.sol`	Add a new function getAllBallots that iterates over the ballots mapping and returns an array of all ballots. This function should be marked as view.
`client_code/services/storage.py`	Add a new method in the ScrollStore class that calls the new function getAllBallots from the BallotManager contract and returns the result.

Step 3: 📝 Planning

I have created a plan for writing the pull request. I am now working my plan and coding the required changes to address this issue. Here is the planned pull request:

Add function to return all ballots from the smart contract sweep/add-return-all-ballots-function

Description

This PR adds a new function to the BallotManager contract that allows retrieving all ballots stored in the contract. It also modifies the ScrollStore class in the storage.py file to call this new function and return the result.

Summary

Added a new function getAllBallots to the BallotManager contract that iterates over the ballots mapping and returns an array of all ballots.

Modified the ScrollStore class in the storage.py file to call the new getAllBallots function from the BallotManager contract and return the result.

These changes enable the ScrollStore class to retrieve all ballots from the smart contract, providing the necessary functionality for the application.

Step 4: ⌨️ Coding

File	Instructions	Progress
`contracts/BallotManager.sol`	Add a new function getAllBallots that iterates over the ballots mapping and returns an array of all ballots. This function should be marked as view.	✅ Done with commit `e48fc60`
`client_code/services/storage.py`	Add a new method in the ScrollStore class that calls the new function getAllBallots from the BallotManager contract and returns the result.	✅ Done with commit `9611862`	I have finished coding the issue. I am now reviewing it for completeness.

Step 5: 🔁 Code Review

Here are the my self-reviews of my changes at sweep/add-return-all-ballots-function.

Here is the 1st review

No changes required. The added function getAllBallots() in the BallotManager contract is correctly implemented and does not contain any errors or unimplemented sections. Good job!

I finished incorporating these changes.

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electora-vote / electora-app