web3-utils

This is a sub package of web3.js

This contains useful utility functions for Dapp developers. Please read the documentation for more.

Installation

npm install web3-utils

Import all of the utils functions

import * as Utils from 'web3-utils';

console.log(Utils);
> {
    keccak256: Function,
    soliditySha3: Function,
    isAddress: Function,
    ...
}

Import what you need

import { asciiToHex } from 'web3-utils';

console.log(asciiToHex('I have 100!'));
> "0x49206861766520313030e282ac"

All the typescript typings are placed in the types folder.