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eth-lib

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eth-lib

Lightweight Ethereum libraries

  • 0.1.29
  • latest
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
589K
decreased by-11.36%
Maintainers
2
Weekly downloads
 
Created

What is eth-lib?

eth-lib is a JavaScript library for Ethereum that provides a set of utilities for working with Ethereum data structures and cryptographic functions. It is designed to be lightweight and modular, making it easy to use in various Ethereum-related projects.

What are eth-lib's main functionalities?

Hashing

This feature allows you to perform keccak256 hashing, which is commonly used in Ethereum for creating unique identifiers and securing data.

const ethLib = require('eth-lib');
const hash = ethLib.Hash.keccak256('hello world');
console.log(hash);

RLP Encoding/Decoding

This feature provides functions for encoding and decoding data using Recursive Length Prefix (RLP), a serialization method used in Ethereum.

const ethLib = require('eth-lib');
const encoded = ethLib.RLP.encode(['hello', 'world']);
const decoded = ethLib.RLP.decode(encoded);
console.log(encoded, decoded);

Signing

This feature allows you to sign messages with a private key, which is essential for creating transactions and verifying ownership in Ethereum.

const ethLib = require('eth-lib');
const privateKey = '0x...';
const message = 'hello world';
const signature = ethLib.Account.sign(message, privateKey);
console.log(signature);

Address Generation

This feature enables you to generate Ethereum addresses from private keys, which is fundamental for creating new accounts and managing identities.

const ethLib = require('eth-lib');
const privateKey = ethLib.Account.create().privateKey;
const address = ethLib.Account.fromPrivate(privateKey).address;
console.log(address);

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Package last updated on 27 Nov 2019

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