OpenZeppelin Contracts is a library of secure, community-vetted smart contract implementations for Ethereum and other blockchains. It provides reusable Solidity components like ERC20 and ERC721 tokens, access control, and utilities to help developers build decentralized applications safely and efficiently.
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Support the dependencies of openzeppelin/openzeppelin-contracts
Compatibility utilities for ESLint
Implementation of the modified merkle patricia tree as specified in Ethereum's yellow paper.
Hardhat utils for testing
Hardhat plugin for ethers
Hardhat Network Helpers is a plugin that provides a set of utility functions to interact with locally simulated networks.
Utilities to work with merkle trees
Solidity preprocessor used to generate OpenZeppelin Contracts Upgrade Safe.
BDD/TDD assertion library for node.js and the browser. Test framework agnostic.
A complete and compact Ethereum library, for dapps, wallets and any other tools.
the most correct and second fastest glob implementation in JavaScript
A directed and undirected multi-graph library
Hardhat is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.
Automatically expose internal functions for smart contract testing
Gas Analytics plugin for Hardhat
Automatically deploy common smart contracts
Modern native Git hooks
Utilities to manipulate ERC-7930 interoperable addresses
Lint files staged by git
A Prettier Plugin for automatically formatting your Solidity code.
A deep deletion module for node (like `rm -rf`)
The semantic version parser used by npm.
Solidity Code Linter
Solidity AST schema and type definitions
Code coverage for Solidity testing
Documentation generator for Solidity smart contracts.
An HTTP/1.1 client, written from scratch for Node.js
yargs the modern, pirate-themed, successor to optimist.
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