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web3-providers-http

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web3-providers-http

HTTP provider for Web3 4.x.x

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

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What is web3-providers-http?

The web3-providers-http package is a part of the Web3.js library that allows you to interact with Ethereum nodes using HTTP. It provides a way to send JSON-RPC requests to an Ethereum node over HTTP, making it possible to perform various blockchain-related operations such as querying blockchain data, sending transactions, and more.

What are web3-providers-http's main functionalities?

Connecting to an Ethereum Node

This feature allows you to connect to an Ethereum node using an HTTP provider. The code sample demonstrates how to create a new Web3 instance and connect it to a local Ethereum node running on port 8545.

const Web3 = require('web3');
const web3 = new Web3(new Web3.providers.HttpProvider('http://localhost:8545'));
console.log('Connected to Ethereum node:', web3.currentProvider.host);

Sending JSON-RPC Requests

This feature allows you to send JSON-RPC requests to the Ethereum node. The code sample demonstrates how to get the latest block number from the connected Ethereum node.

const Web3 = require('web3');
const web3 = new Web3(new Web3.providers.HttpProvider('http://localhost:8545'));
web3.eth.getBlockNumber().then(console.log);

Handling Errors

This feature allows you to handle errors that may occur when sending JSON-RPC requests. The code sample demonstrates how to catch and log errors when trying to get the latest block number.

const Web3 = require('web3');
const web3 = new Web3(new Web3.providers.HttpProvider('http://localhost:8545'));
web3.eth.getBlockNumber().then(console.log).catch(console.error);

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Package last updated on 07 Mar 2024

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