Ethereum Smart Contract

Web3 module to interact with Ethereum smart contracts.

Web3 module to interact with the Ethereum blockchain and smart contracts.

Secure Smart Contract library for Solidity

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

Hardhat plugin for ethers

Mock smart contracts in a smart way.

A mock provider for your blockchain testing needs.

A sweet set of chai matchers for your blockchain testing needs.

Sweeter, faster and simpler than truffle.

Compile solidity without the hassle.

A mock ens implementation for testing.

Hardhat plugin to test smart contracts with Waffle

Solidity Code Linter

Library for encoding and decoding smart contract data

Hardhat plugin for verifying contracts on etherscan

Hardhat plugin for eth-gas-reporter, a mocha reporter for Ethereum test suites

Secure Smart Contract library for Solidity

Hardhat Plugin For Replicable Deployments And Tests

A library and cli to create a local blockchain for fast Ethereum development.

Output Solidity contract sizes with Hardhat

Secure Smart Contract library for Solidity

Smart contract data aggregation

Hardhat plugin for ethers that plays well with hardhat-deploy

Load contract ABIs from built artifacts and return contract objects

JavaScript testing helpers for Ethereum smart contract development.

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

Hardhat plugin for using Web3 1.x

[Optimism] L1 and L2 smart contracts for Optimism

Hardhat utils for testing

Hardhat plugin for integration with Tenderly

Truffle 5 Hardhat compatibility plugin

Export Ethereum smart contract ABIs on compilation

Cryptographic functions for ethereum and how to use them with web3 and solidity

The smart contracts which make up the Synthetix system. (synthetix.io)

Hardhat utils for testing

JavaScript SDK for the OpenSea marketplace. Let users buy or sell crypto collectibles and other cryptogoods, all on your own site!

Nomic Foundation's recommended bundle of Hardhat plugins

Hardhat plugin for solhint

Hardhat TypeScript plugin boilerplate

An SDK to receive pushed updates from OpenSea over websocket

JavaScript library for the OpenZeppelin smart contract platform

The Solidity mocking library

Hardhat Tracer plugin

Official Solium Plugin for Security-related lint rules

Verify your deployed smart contracts on Etherscan from the Truffle CLI

Zero-config Hardhat plugin to generate documentation for all your Solidity contracts

Additional assertions and utilities for testing Ethereum smart contracts in Truffle unit tests

Ethereum smart contract transaction input data decoder

Library for creating limit orders via Gelato

Wrappers for 0x smart contract wrappers generated using @0x/abi-gen