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web3-eth

Web3 module to interact with the Ethereum blockchain and smart contracts.

  • 4.4.1-dev.cf60f71.0
  • Source
  • npm
  • Socket score

Version published
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4
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What is web3-eth?

The web3-eth package is a sub-package of the web3.js library that provides functionalities to interact with the Ethereum blockchain. It allows developers to interact with Ethereum nodes, manage accounts, send transactions, and interact with smart contracts.

What are web3-eth's main functionalities?

Connecting to an Ethereum Node

This feature allows you to connect to an Ethereum node using an HTTP provider. In this example, we are connecting to the Ethereum mainnet using Infura.

const Web3 = require('web3');
const web3 = new Web3('https://mainnet.infura.io/v3/YOUR_INFURA_PROJECT_ID');

Getting the Balance of an Account

This feature allows you to get the balance of a specific Ethereum account. The balance is returned in Wei, the smallest unit of Ether.

web3.eth.getBalance('0x742d35Cc6634C0532925a3b844Bc454e4438f44e').then(console.log);

Sending a Transaction

This feature allows you to send a transaction from one Ethereum account to another. You need to specify the sender's address, recipient's address, amount of Ether to send, and gas limit.

const tx = {
  from: '0xYourAddress',
  to: '0xRecipientAddress',
  value: web3.utils.toWei('0.1', 'ether'),
  gas: 2000000
};
web3.eth.sendTransaction(tx).then(console.log);

Interacting with Smart Contracts

This feature allows you to interact with smart contracts deployed on the Ethereum blockchain. You need the contract's ABI and address to create a contract instance and call its methods.

const contractABI = [/* ABI array */];
const contractAddress = '0xContractAddress';
const contract = new web3.eth.Contract(contractABI, contractAddress);
contract.methods.myMethod().call().then(console.log);

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Package last updated on 07 Mar 2024

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