开源软件名称：

开源软件地址：

开源编程语言：

开源软件介绍：

Installation:

1. Install Metamask wallet as a browser extension: https://metamask.io/
2. Install Node.js: https://nodejs.org/en/download/package-manager/
3. Install React: https://reactjs.org/docs/installation.html#installing-react
4. Install Material UI: https://www.npmjs.com/package/material-ui
5. Install local Ethereum test network: https://www.npmjs.com/package/truffle-testrpc
6. Install IPFS: https://github.com/ipfs/go-ipfs#install

Configure IPFS

1. Run ipfs init
2. ipfs config --json API.HTTPHeaders.Access-Control-Allow-Origin '["*"]'
3. ipfs config --json Gateway.HTTPHeaders.Access-Control-Allow-Origin '["*"]'
4. Run ipfs daemon

Running the dApp:

1. Spin off your Ethereum test network by running testrpc
2. Switch your Ethereum network in MetaMask to localhost
3. Take the first private key from the list and use it in MetaMask wallet (make sure you're using private network on localhost)
4. Deploy the contract to blockchain with Remix (https://remix.ethereum.org)
5. Update the contract address in /web/App.js
6. Go to /web/ folder
7. npm install
8. npm start

Listing tomatos

Adding new tomatos