Simple library to decode ethereum logs and transaction

Secure Smart Contract library for Solidity

Secure Smart Contract library for Solidity

JavaScript testing helpers for Ethereum smart contract development.

HD Wallet-enabled Web3 provider

Arbitrum bridge for converting ethers provider into web3

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Tiny library with utility functions that can help with signing and verifying EIP-712 based messages

JavaScript implementation of the IPFS specification

Mathematical Functions

Parse, validate, manipulate, and display dates

A Prettier Plugin for automatically formatting your Solidity code.

Documentation generator for Solidity smart contracts.

Truffle Flattener concats solidity files developed under Truffle with all of their dependencies

Ethereum JavaScript API

Babel command line.

ESLint parser that allows for linting of experimental syntax transformed by Babel

Hardhat plugin for ethers

Hardhat plugin for verifying contracts on etherscan

Truffle 5 Hardhat compatibility plugin

Hardhat plugin for using Web3 1.x

Load contract ABIs from built artifacts and return contract objects

A better contract abstraction for Ethereum (formerly EtherPudding)

🔌 TypeChain target for ethers-v5

Zero-config TypeChain support for Hardhat

A library for arbitrary-precision decimal and non-decimal arithmetic

To cross-platform the config and root variable reference of package.json in npm-scripts.

Assigns default values to an object along with validating for required and unknown property keys.

Loads environment variables from .env file

A set of default eslint configuration

JavaScript Standard Style - ESLint Shareable Config

Import with sanity.

Additional ESLint's rules for Node.js

Enforce best practices for JavaScript promises

React specific linting rules for ESLint

ESlint Plugin for the Standard Linter

Decoder and encoder for the Ethereum ABI

A complete and compact Ethereum library, for dapps, wallets and any other tools.

Hardhat is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.

Output Solidity contract sizes with Hardhat

Compile Solidity sources directly from NPM dependencies

Hardhat plugin for replicable smart contract deployments and easy testing across multiple EVM chains, with support for proxies, diamonds, named accounts, and deployment fixtures

Gas Analytics plugin for Hardhat