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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