Election-angular-rinkedby-test

Build solidity with Angular front end, metamask and INFURA, using web3 on Rinkedby Test net

Election Angular Solidity

• This is demo how to build an contract by solidity on ethereum renkedby Test net.

Precondition

• User Chome and install MetaMask on Chrome Web Store, resgister account and choose RinkedbyTestNet.
• Register InFura account to get the link (will use in RunStep).

RunStep:

• Open Window PowerSell on Win 10 (if you have not it, you can modify directly process.env.PASSWORD and process.env.INFURA_LINK in file deploy.js inside src/app/ethereum folder ) and go to root project.
• Run npm install first to install all dependences.
• Run $env:PASSWORD="your_password" and run $env:INFURA_LINK="your_link_inifura"
• (You can ignore this step to run contract I deployed. Or you can deploy yourself by use this step ) Then run npm run build-eth, wait until Deploy completed!!!! And click Ctrl+C many times to stop process.
• Then run ng serve --open to open your angular front-end web app.

Step to test on front-end

• After the project run on localhost:4200 you will see some data gotten from server
• Then you can choose candidate and click vote button. Then you will see the metamask Popup, click submit
• Wait a moment and see data will reload with vote increase 1.
• Click on metamask icon on chrome and you will see history or something like this.
• Enjoy.

Build (optional)

You can only compile or build contract by following command:

• Run npm run compile-eth to Compile Contract.
• Run npm run deploy-eth to Deploy our Contract.
• Run npm run build-eth to Compile and Deploy our Contract.
• Run ng build to build the project. The build artifacts will be stored in the dist/ directory. Use the --prod flag for a production build.

Reference

• Internet
• Angular.io