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Building a Decentralized Application (DApp) with Smart Contracts

Tutorial August 22, 2024
solidity

  • Web3.js: A JavaScript library for interacting with the Ethereum blockchain.
  • contract.methods.setMessage(message).send({ from: accounts[0] }): Calls the smart contract’s setMessage function and sends a transaction to the blockchain.
  • contract.methods.getMessage().call(): Calls the smart contract’s getMessage function to retrieve the stored message.

To interact with the Ethereum network, you need to connect MetaMask to your DApp.

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