dapp-helloworld

One Decentralized Application

Development Stacks:

• Truffle
• Ganache
• Web3
• NextJS
• ReactJS

Development Steps:

1. Install truffle and ganache:

• Run: npm i -g truffle, npm i -g ganache-cli
• Run: ganache-cli
• Connect Metamask to Ganache: Import account from Ganache to Metamask Run: Copy code from cli -> Import account to Metamask

2. Create blockchain smart contract

• Config truffle file: truffle-config.js. Uncomment network details
• Create network. Ex: ganache

3. Deploy smart contract with truffle and ganache

• Truffle compile -> truffle console -> truffle migrate

• If error try with: truffle console --network name_of_network Ex: truffle console --network ganache

• After run truffle migrate, truffle will deploy smart contracts. And show Summary if success.

It will create "networks" data detail in contract json in build\contracts

Ex: Summary

Total deployments: 2 Final cost: 0.00973148 ETH

• Blocks: 0 Seconds: 0
• Saving migration to chain.
• Blocks: 0 Seconds: 0
• Saving migration to chain.

4. Setup frontend with NextJS

• Create smart contract instance
• Use: npm create-next-app