blockchain-practice

setup env

npm i ethers
npm i dotdev

interact with chain (use node.js)

node app.js

• Case 1: Get balance
• Case 2: Get latestBlock
• Case 3: Send transaction

interact with contract (2 ways)

Run on browser( connect with MetaMask)

Run server

npx http-server

• Enter this url (http://192.168.1.103:8080/web/interactWithContract.html)
• click button "Send NFT" => console will got error because no more NFT balance
• click button "check Balance" => console will show '1n'

Run to Node.js (use private key)

node node .\interactContract.js

Reference

• ethers v6: https://docs.ethers.org/v6/getting-started/#starting-contracts