Search Results for "contracts"
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Showing 206 open source projects for "contracts"
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OpenZeppelin Contracts
OpenZeppelin Contracts is a library for secure smart contracts
A library for secure smart contract development. Build on a solid foundation of community-vetted code. OpenZeppelin Contracts uses semantic versioning to communicate backward compatibility of its API and storage layout. To keep your system secure, you should always use the installed code as-is, and neither copy-paste it from online sources nor modify it yourself. The library is designed so that only the contracts and functions you use are deployed, so you don't need to worry about it needlessly increasing gas costs. ... -
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Gnosis Safe Contracts
Gnosis Safe allows secure management of blockchain assets
The most trusted platform to manage digital assets on Ethereum. Access the most recent version of the Safe directly in your browser. Download the Safe as a static desktop application for Windows, MacOS or Linux. Conveniently manage your digital assets on the go. Fully customize how you manage your company crypto assets, with the option to require a predefined number of signatures to confirm transactions. Require multiple team members to confirm every transaction in order to execute it, which... -
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Symfony Deprecation Contracts
A generic function and convention to trigger deprecation notices
Symfony Deprecation Contracts defines a simple interface for triggering deprecation notices in a consistent and forward-compatible way. It allows libraries to signal deprecated features without tying them to specific Symfony versions. This helps maintainers and users adapt their code over time while supporting cross-version compatibility and clean upgrade paths. -
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Symfony Cache Contracts
A set of cache abstractions extracted out of the Symfony components
Symfony Cache Contracts defines a set of interfaces that standardize cache operations in Symfony and other PHP applications. It provides abstraction for caching services, ensuring consistent interaction regardless of the underlying implementation. These contracts help decouple application logic from specific cache providers, enabling flexible caching strategies and easy integration with PSR-compliant tools. -
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Symfony Translation Contracts
Translation abstractions extracted out of the Symfony components
Symfony Translation Contracts provide a set of standardized interfaces and classes for managing translations within Symfony applications. This package defines contracts used by the Translation component, making it easier to implement custom translation loaders, formatters, and other related services. It ensures compatibility across different Symfony versions and supports creating multilingual applications with consistent localization. -
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Symfony Service Contracts
A set of service abstractions extracted out of the Symfony components
Symfony Service Contracts is a set of standardized interfaces for defining and using services in Symfony applications. It ensures that services are decoupled from their implementations, promoting flexibility and interoperability. By defining common contracts for service behavior, developers can build modular and reusable components, making the codebase more maintainable and robust. -
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Symfony EventDispatcher Contracts
A set of event dispatcher abstractions extracted out of Symfony comps
Symfony Event Dispatcher Contracts is a set of standardized interfaces and classes for handling event-driven programming in Symfony applications. It defines how events are dispatched and how listeners are registered, providing a flexible system for building modular and decoupled code. By following the event-driven pattern, developers can trigger specific actions when events occur, making applications more dynamic and scalable. -
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Solidity
The Smart Contract Programming Language
Solidity is a statically-typed curly-braces programming language designed for developing smart contracts that run on Ethereum. Solidity 0.8.4 adds custom structured errors, allows more flexible configuration of the SMTChecker and fixes a bug in the Solidity ABI decoder v2. Read more about the bug here. With v0.8.4, errors can be defined inside and outside of contracts (including interfaces and libraries). This provides a convenient and gas-efficient way to explain to users why an operation failed. ... -
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Woke
Woke is a Python-based development and testing framework for Solidity
Woke is a Python-based development and testing framework for Solidity. A testing framework for Solidity smart contracts with Python-native equivalents of Solidity types and blazing-fast execution. A property-based fuzzer for Solidity smart contracts that allows testers to write their fuzz tests in Python. See examples and documentation for more information. Fuzzer builds on top of the testing framework and allows efficient fuzz testing of Solidity smart contracts. ... -
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Chainlink
node of the decentralized oracle network
Securely connect smart contracts with off-chain data and services. Chainlink decentralized oracle networks provide tamper-proof inputs, outputs, and computations to support advanced smart contracts on any blockchain. Start building your hybrid smart contract with Chainlink. Use decentralization, trusted nodes, premium data, and cryptographic proofs to connect highly accurate and available data/APIs to any smart contract. -
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FHEVM
Integrate FHE with blockchain applications
...The framework includes on-chain and off-chain components (contracts, coprocessors, gateway, utilities) to orchestrate the whole encrypted data pipeline. -
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Union
Serverless backend platform for Web3-native app development
...It provides a serverless execution layer with built-in authentication, event handling, and state management tailored for decentralized systems. Developers can write backend logic using WebAssembly and deploy logic that interacts with smart contracts and blockchain data without managing infrastructure. -
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Starknet Foundry
Blazing fast toolkit for developing Starknet contracts
Starknet Foundry is a fast development toolkit for building and testing Starknet smart contracts. It is written in Rust and built around native Cairo testing and Starknet-specific execution infrastructure. The project includes snforge for contract testing and sncast for interacting with deployed Starknet contracts from the command line. It is useful for developers who need testing, deployment, transaction handling, chain data access, and contract interaction tools in one workflow. ... -
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Starknet MCP Server
MCP server that provides LLM with tools for interacting with Starknet
Starknet MCP Server is a comprehensive Model Context Protocol (MCP) server for the Starknet blockchain. It provides AI agents with the ability to interact with Starknet networks, query blockchain data, manage wallets, and interact with smart contracts. -
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SQUEEZER
Squeezer framework, build serverless dApps
...The main usage of the ChainKit is to unify top blockchains interfaces into a single normalized API interface, therefore you can build blockchain dApps easily without digging into blockchain complex infrastructure. Bi-directional on-chain transactions (inbound and outbound). Build dApps connecting to smart contracts using chain kit agnostic connector. Quick intuitive code deployments by using a special mechanism that will deploy smart contracts and dApp services where code changed. Silent deployments, no interruption for the current functionality (really useful on production). One single command to simultaneously deploy all available functions on your project where code changed from the last deployment. ... -
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Stacks
The Stacks 2.0 blockchain implementation
Stacks 2.0 is a layer-1 blockchain that connects to Bitcoin for security and enables decentralized apps and predictable smart contracts. Stacks 2.0 implements Proof of Transfer (PoX) mining that anchors to Bitcoin security. Leader election happens at the Bitcoin blockchain and Stacks (STX) miners write new blocks on the separate Stacks blockchain. With PoX there is no need to modify Bitcoin to enable smart contracts and apps around it. Normal releases in this repository that add features such as improved RPC endpoints, improved boot-up time, new event observer fields or event types, etc., are released on a monthly schedule. ... -
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Fuels-rs
Fuel Network Rust SDK
fuels-rs is a Rust-native Software Development Kit (SDK) for the Fuel blockchain. It facilitates compilation, deployment, transaction crafting, contract interaction, and testing of Sway smart contracts, as well as launching and controlling local Fuel nodes for development or CI workflows. -
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Qtum
Qtum Core Wallet
...There is no voting, master nodes, or minimum amount required. There have been transactions as small as 2 Qtum that have created blocks in the past. Staking from smart contracts is under development. -
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Data Contract CLI
Enforce Data Contracts
Data Contract CLI is an open-source command-line tool and Python library for creating, validating, testing, importing, exporting, and enforcing data contracts. It uses YAML-based contract files to define the structure, meaning, quality rules, service levels, and connection details for a data product. The tool can connect to real data sources and check whether the actual dataset matches the schema, constraints, and quality expectations described in the contract. It supports both the Data Contract Specification and the Open Data Contract Standard, making it useful for teams standardizing data governance across different platforms. ... -
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Plutus
The Plutus language implementation and tools
Plutus is the smart contract development framework for the Cardano blockchain, created using Haskell. It provides the core infrastructure for writing, testing, and deploying secure, deterministic smart contracts on the Cardano platform. Plutus includes a custom functional language (Plutus Core), a higher-level embedded DSL (Plutus Tx) for writing contracts in Haskell, and an off-chain infrastructure for managing interactions. It ensures strong correctness guarantees through formal verification and functional programming paradigms. -
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Echidna
Ethereum smart contract fuzzer
Echidna is a weird creature that eats bugs and is highly electrosensitive (with apologies to Jacob Stanley) More seriously, Echidna is a Haskell program designed for fuzzing/property-based testing of Ethereum smarts contracts. It uses sophisticated grammar-based fuzzing campaigns based on a contract ABI to falsify user-defined predicates or Solidity assertions. We designed Echidna with modularity in mind, so it can be easily extended to include new mutations or test specific contracts in specific cases. Optional corpus collection, mutation and coverage guidance to find deeper bugs. ... -
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Hardhat
Hardhat is a development environment to compile, deploy, test
...Hardhat Runner is the main component you interact with when using Hardhat. It's a flexible and extensible task runner that helps you manage and automate the recurring tasks inherent to developing smart contracts and dApps. Easily deploy your contracts, run tests and debug Solidity code without dealing with live environments. Hardhat Network is a local Ethereum network designed for development. Hardhat is the best choice for Solidity debugging. You get Solidity stack traces, console.log and explicit error messages when transactions fail. -
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Fuels‑TS
Fuel Network Typescript SDK
Fuels‑TS is a TypeScript SDK by FuelLabs for building decentralized applications on the Fuel blockchain. It provides tools for deploying and interacting with Sway smart contracts, managing wallets, crafting transactions, and initializing local development environments. Build forc workspace and generate Typescript types for everything. Built-in CLI for project bootstrap, build, deploy, dev server, and type generation. The primary license for this repo is Apache 2.0. Rich documentation including quickstart guides, cookbook, and API references. -
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MultiversX Chain
The official implementation of the MultiversX blockchain protocol
...It implements Adaptive State Sharding and Secure Proof-of-Stake (SPoS) to achieve fast transaction speeds and efficient consensus. This implementation powers the MultiversX mainnet and supports advanced features like smart contracts, meta-transactions, and economic models suited for DeFi and enterprise use. Developers can build dApps using WASM-based smart contracts with performance and scalability in mind. -
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Aeternity node
Scalable blockchain for the people, smart contracts, state channels
Engineered to scale and last, æternity is an easily accessible blockchain platform for the global public. With numerous innovative functionalities and performance far ahead of earlier blockchains, æternity allows its users and community to seamlessly venture into the new era of society, economy, and digital interactions. The æternity blockchain project was born out of a desire for a more fair Internet supported by scalable, open-source and cryptographic software, with a commitment to...
