Fix allow 0 as a valid fromBlock or toBlock filter param (#1100)
Fix randomHex returning inconsistent string lengths (#1490)
Fix make isBN minification safe (#1777)
Fix incorrect references to BigNumber in utils.fromWei and utils.toWei error messages (#2468)
Fix error incorrectly thrown when receipt.status is null (#2183)
Fix incorrectly populating chainId param with net_version when signing txs (#2378)
regeneratorRuntime error fixed (#3058)
Fix accessing event.name where event is undefined (#3014)
fixed Web3Utils toHex() for Buffer input (#3021)
Fix bubbling up tx signing errors (#2063, #3105)
HttpProvider: CORS issue with Firefox and Safari (#2978)
Ensure the immutability of the tx object passed to function signTransaction (#2190)
Gas check fixed (#2381)
Signing issues #1998, #2033, and #1074 fixed (#3125)
Fix hexToNumber and hexToNumberString prefix validation (#3086)
The receipt will now returned on a EVM error (this got removed on beta.18) (#3129)
Fixes transaction confirmations with the HttpProvider (#3140)

Readme

Source

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

Node.js

npm install web3-utils

In the Browser

Build running the following in the web3.js repository:

npm run-script build-all

Then include dist/web3-utils.js in your html file. This will expose the Web3Utils object on the window object.

Usage

// in node.js
var Web3Utils = require('web3-utils');
console.log(Web3Utils);
{
    sha3: function(){},
    soliditySha3: function(){},
    isAddress: function(){},
    ...
}

Types

All the typescript typings are placed in the types folder.

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Last updated on 23 Oct 2019

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