smartcontract-based-certificate

Blockchain based Certificate

Build Status

Built Using

• Next.js
• Semantic UI for React

Setup

Prerequisite: set up Metamask

Install project dependencies:

$ npm install
$ npm install react reactdom next

Start the app

$ npm run dev

To compile your own contracts: CD into Ethereum directory, then run:

$ node compile.js

To deploy your own contracts:

// Never commit this file!

const HDWalletProvider = require('truffle-hdwallet-provider');
const Web3 = require('web3');
const compiledFactory = require('./build/MarriageRegistry.json');
const fs = require('fs-extra')

const provider = new HDWalletProvider(
  // NEVER SHARE your keys!
  'YOUR OWN KEY FOR DEPLOYING FACTORY CONTRACT',
  'https://mainnet.infura.io/[YOUR ACCOUNT]'
);

const web3 = new Web3(provider);

const deploy = async () => {
  console.log("Starting to deploy...");
  const accounts = await web3.eth.getAccounts();

  console.log("Attempting to deploy from account", accounts[0]);

  const result = await new web3.eth.Contract(JSON.parse(compiledFactory.interface))
    .deploy({ data: '0x' + compiledFactory.bytecode })
    .send({ from: accounts[0], gas: '5000000' });

  console.log(compiledFactory.interface);
  console.log('Contract deployed to', result.options.address);

}
deploy();

Contributing

1. Fork it the project
2. Create your feature branch using issue #: git checkout -b issue#-feature
3. Commit your changes: git commit -am 'Fix/Add/Change: commit msg'
4. Push to the branch: git push origin issue#-feature
5. Create a new Pull Request