Plutus Voting Smart Contract

A complete voting system implemented as a Plutus smart contract on Cardano.

Features

• ✅ Secure voting with registered voters
• ✅ Multiple candidates support
• ✅ Admin-controlled voting process
• ✅ Vote counting and result calculation
• ✅ Prevent double voting
• ✅ Time-based voting periods

Project Structure

src/ ├── Voting/ │ ├── Types.hs -- Data types and definitions │ ├── Validator.hs -- On-chain validator logic │ ├── Helpers.hs -- Helper functions │ └── OffChain.hs -- Off-chain code └── Voting.hs -- Main module export

Getting Started

Prerequisites

• Nix package manager
• Cabal
• GHC 8.10.7 or later

Development

1. Enter development environment:

   nix develop
   
   

Build the project:

cabal build Run tests:

cabal test Start REPL:

cabal repl Usage Example

import Voting

-- Create voting parameters params = VotingParams { vpAdmin = "admin_pkh" , vpVoteToken = Nothing , vpMinAda = 2000000 }

-- Initialize voting initializeVoting params voters candidates "Election" 5000000

Testing

Run the test suite:

cabal test voting-test

License

Apache 2.0