Contract Packages

calculate stock vesting

JS API / command line tool to generate the contract.json for jsonql

Ingests a smart contract's ABI and autogenerates an OpenAPI JSON, ready for Swagger codegen.

Hardhat command line utilities

Node wrapper for Specmatic

Starknet dApps metadata repository.

The EIP-4337 library for Soul-Wallet

A gas-efficient Solidity library for managing bitflags.

This tool provides a straightforward way to generate Solidity boilerplates for contracts, scripts, and tests.

This Solidity library holds functions that you can use to simplify your smart contracts. For example no more writing loops for extracting indexes from arrays, and you can easily compare strings!

This package recovers the old OpenZeppelin 2.5.1 crowdsale contracts and get them updated to latest OpenZeppelin and solidity compiler versions

This package recovers the old OpenZeppelin 2.5.1 crowdsale contracts and get them updated to latest OpenZeppelin and solidity compiler versions

Everscale solidity contracts visualisation tool.

TypeScript decorators to validate preconditions, post-conditions and invariants, design by contract

Lightweight utility for decoding function parameters and function output from Tron blockchain transactions.

for contract testing

This module converts UTF8 <-> Bytes Array

Secure smart contracts developed by artèQ Technologies

Atomic Utils Contract

An example non-fungible token and app using ERTP