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Simple voting dapp 🚀

This is a simple Voting DApp where a user can create a proposal with a voting window. After the voting window, voting is closed and a winner (or draw) is displayed.

This project doesn't really have a purposa, I created this to start learning about web3 and get some real-ish world experience.

Things covered:

  • 📄 Solidity basics (restrictions around values/mappings, modifiers, return types, etc)
  • 🌐 Web3 basics (communicating with a deployed contract, working with returned data, etc)
  • 🛳️ Deployment basics (Working with Hardhat, deploying to Infura, etc)
  • 🕵️ Testing basics (Still WIP)

TODO

  • List proposals
  • Vote on proposals
  • Update tests
  • [~] Implement Styled components
  • Move contract creation to a hook
  • Deploy to Test Net
  • Figure out a better way for local vs test net deployments

Dev

  • Execute yarn run serve to run a local network and output test accounts
  • Choose the localhost network in Metamask and import one of the private seeds from the test accounts
  • Execute yarn run deploy to deploy our smart contract to the test network
  • Update REACT_APP_CONTRACT_ADDRESS with the deployed contract address (this will only changes on every deploy)
  • Execute yarn start to start the local dev server

Deploy to the Ropsten Test net

  • Create a new project in Infura.
  • Update INFURA_PROJECT_KEY and REACT_APP_INFURA_PROJECT_KEY with your project ID.
  • Update DEPLOY_PRIVATE_KEY with the account you want to use to deploy
  • Execute npx hardhat run scripts/deploy.js --network ropsten to deploy to Ropsen
  • Remember to update your contract address with the new deployed address

Stack

  • CRA to scaffold the React app
  • SWR for data fetching
  • Hardhat for Eth env/testing
  • Antd for components
  • Infura testnet

Troubleshoot

  • After new deployments you might get an error about the Nonce being too high.
    • To fix this, reset the test account in Metamask to reset the Nonce back to 0