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web3-core

Web3 core tools for sub-packages. This is an internal package.

  • 4.7.2-dev.fa5ce5b.0
  • Source
  • npm
  • Socket score

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What is web3-core?

The web3-core package is a core module of the Web3.js library, which is used to interact with the Ethereum blockchain. It provides essential functionalities such as managing accounts, sending transactions, and interacting with smart contracts.

What are web3-core's main functionalities?

Managing Accounts

This feature allows you to create and manage Ethereum accounts. The code sample demonstrates how to create a new Ethereum account using the web3-core package.

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

// Create a new account
const account = web3.eth.accounts.create();
console.log(account);

Sending Transactions

This feature allows you to send transactions on the Ethereum network. The code sample demonstrates how to sign and send a transaction using the web3-core package.

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

const transaction = {
  to: '0xRecipientAddress',
  value: web3.utils.toWei('0.1', 'ether'),
  gas: 2000000
};

web3.eth.accounts.signTransaction(transaction, 'YOUR_PRIVATE_KEY').then(signedTx => {
  web3.eth.sendSignedTransaction(signedTx.rawTransaction).on('receipt', console.log);
});

Interacting with Smart Contracts

This feature allows you to interact with smart contracts deployed on the Ethereum network. The code sample demonstrates how to call a method on a smart contract using the web3-core package.

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

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 10 Dec 2024

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