Provenance

Decentralized provenance verification for physical art.

Artist register themselves to the contract. (TODO) Next they register their artwork on the ethereum block chain. When they sell their art, ownership is transferred and they receive royalties . Buyers never have to wonder about the authenticity of the work.

Hosted at: https://pensive-tesla-2256e2.netlify.app

Making transaction Transaction success

Directory Structure

Frontend is a React app located under the /client . Hardhat is the ethereum development environment and is located under /tools.

project
|___client/
|   |____package.json
|   |____src/
|        |____artifacts/ //contract builds
|        |____App.js
|___tools/
|   |____contracts/
|   |____test/
|   |____hardhat.config.js
|   |____sample.env
|   |____package.json

Workflow

1. Connect to metamask.
2. Artist registers to contract. NOTE: An address can only register once.
3. UI displays registered artist.

TODO:

1. Artist mints nft for artwork with a url that links to metadata about the work.
2. Artist sells artwork and transfers ownership.
3. No more questions of, "is this legit?"

To Run

Dependencies

• node.js
• MetaMask Chrome extension
• npm install ethers hardhat @nomiclabs/hardhat-waffle ethereum-waffle chai @nomiclabs/hardhat-ethers
• npm install in /tools
• yarn install in /client

Running Locally

• Frontend: yarn start in /client
• Uncomment hardhat network in hardhat.config.js
• Deploy contracts: npx hardhat run scripts/deploy.js --network localhost
• Update Provenance contract address in App.js
• Start local network: npx hardhat node
• Import test address into metamask

Running on Test network

• Add desired network in hardhat.config.js under module.exports.
• Copy sample.env and rename to .env. Add private key to ACCOUNTS.

Testing

In tools/ run npx hardhat test

Public Ethereum Account: 0x3A4dCEC49e3085dA16c0B49411BfF8352908883e