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ProbeVote — Anonymous Commit-Reveal Voting

Two-phase voting system that prevents front-running. Voters first commit a hash of their vote, then reveal it after the commit phase ends. Results are tallied only after all reveals.

Contracts

  • CommitRevealVote.sol — Poll creation, commit phase, reveal phase, tally, and cancellation.

Quick Start

npm install
cp .env.example .env
npx hardhat compile
npx hardhat run scripts/deploy.ts --network rydberg

How It Works

  1. Create Poll: createPoll(question, options, commitDuration, revealDuration)
  2. Commit Phase: Voters submit commitVote(pollId, keccak256(pollId, optionId, salt))
  3. Reveal Phase: Voters reveal revealVote(pollId, optionId, salt)
  4. Tally: Anyone calls tallyResults(pollId) after reveal ends

Key Functions

Function Description
createPoll(question, options, commitDur, revealDur) Create poll
commitVote(pollId, hashedVote) Commit hashed vote
revealVote(pollId, optionId, salt) Reveal vote
tallyResults(pollId) Compute final results
computeCommitHash(pollId, optionId, salt) Helper to compute hash

Network

  • Chain: ProbeChain Rydberg Testnet
  • Chain ID: 8004
  • RPC: https://proscan.pro/chain/rydberg-rpc