Open Source TypeScript Cryptocurrency Software

Hardhat is an Ethereum development environment for professionals. It facilitates performing frequent tasks, such as running tests, automatically checking code for mistakes or interacting with a smart contract. Check out the plugin list to use it with your existing tools. 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.

The most comprehensive suite of tools for smart contract development. Quickly build, test, debug, and deploy using the Truffle CLI. Write scripts and plugins to automate common processes. Interact directly with the blockchain using the Truffle console. Write tests in Solidity, JavaScript, and TypeScript. Truffle will manage your entire workflow. Get a deeper understanding of transactions with the Truffle debugger. Step in/out, set breakpoints, and analyze variables through the CLI and the native VS Code debugger. Debug mainnet transactions by stepping through verified contract source code. Truffle will give you the best view into what's happening. Bring up a local blockchain with pre-funded accounts for fast testing with Truffle’s Ganache. Fork mainnet with zero-config, impersonate accounts, auto-mine blocks, and use Ganache programmatically with Node.js. Print variables for quick analysis using console.log and Vyper’s print.

Mask Network brings privacy and benefits from Web3 to social media like Facebook & Twitter - with an open-sourced browser extension. Use the Mask Extension to hide your content from prying eyes and allow only your target audience to see it. If you’re launching a new project on the Ethereum, BSC, Polygon, or Arbitrum networks, ITOs are a completely new way of launching decentralized assets fairly. With integrated widgets on social media platforms, you’ll be able to view the latest prices of crypto assets without leaving the page. Powered by Uniswap, SushiSwap, Ox, and dHEDGE. Got a BAYC or a Punk? Get your profile pictures verified on-chain. For free. Aggregate your digital activities, including NFTs, POAPs, donation records, etc - all in one place. Anonymized or not, that’s completely up to you.

An open-source interface for Uniswap -- a protocol for the decentralized exchange of Ethereum tokens. Developers, traders, and liquidity providers participate together in a financial marketplace that is open and accessible to all. Build Defi apps and tools on the largest crypto project on Ethereum. Get started with quick start guides, protocol documentation, a Javascript SDK, and fully open source code. Get paid to build the future of finance. Uniswap Governance offers grant funding for people building apps, tools, and activities on the Uniswap Protocol. To access the Uniswap Interface, use an IPFS gateway link from the latest release. You can block an entire list of tokens by passing in a tokenlist. The Uniswap Interface supports swapping, adding liquidity, removing liquidity and migrating liquidity for Uniswap protocol V2.

Unify all your Ethereum accounts without giving up your privacy or security. Use with your favorite hardware and software wallets. Managing and storing your assets has never been easier. The MyCrypto apps give you control of your crypto. MyCrypto allows you to import and manage all of the Ethereum accounts that you have control of. One combined view for all of the transaction histories across all of your accounts. Check your transaction recipient against 50M+ labeled Ethereum accounts to be sure you're sending to the right place. A fan favorite since 2018, the MyCrypto Desktop App continues to provide an additional layer of security for your Ethereum assets. On systems where a pre-built version of node-hid is not available (e.g. 32-bit versions of Windows and Linux), you additionally need Python (3+) and node-gyp installed.

Provide all the tools traders need, both professional and hobbyist alike, to create automated trading bots on the Coinbase Pro and supported digital asset exchanges. Note: Node 7.6 or above is required. The src/samples folder contains many working demo scripts showcasing different aspects of the toolkit, while the tutorials folder contains running demo programs to accompany the CBPTT documentation.

Iron Fish is a privacy-first blockchain protocol that brings zero-knowledge proofs and encrypted transactions to a fully decentralized network. Its goal is to offer default, universal privacy for every user while remaining easy to use and scalable. Iron Fish uses zk-SNARKs to shield all transaction details and supports a novel PoS-like consensus called “Proof of Work with Delegation.” With its developer-friendly APIs and strong privacy guarantees, Iron Fish is designed to be the foundation for private financial infrastructure in the Web3 space.

A complete Ethereum wallet implementation and utilities in JavaScript (and TypeScript). Keep your private keys in your client, safe and sound. Import and export JSON wallets (Geth, Parity and crowdsale) Import and export BIP 39 mnemonic phrases (12 word backup phrases) and HD Wallets (English as well as Czech, French, Italian, Japanese, Korean, Simplified Chinese, Spanish, Traditional Chinese. Meta-classes create JavaScript objects from any contract ABI, including ABIv2 and Human-Readable ABI. Connect to Ethereum nodes over JSON-RPC, INFURA, Etherscan, Alchemy, Ankr or MetaMask. ENS names are first-class citizens; they can be used anywhere an Ethereum addresses can be used. Tiny (~104kb compressed; 322kb uncompressed). Modular packages; include only what you need. Complete functionality for all your Ethereum desires. Extensive documentation. Large collection of test cases which are maintained and added. Fully TypeScript ready, with definition files.

tribeca is a very low latency cryptocurrency market making trading bot with a full-featured web client, backtester, and supports direct connectivity to several cryptocoin exchanges. On modern hardware, it can react to market data by placing and canceling orders in under a millisecond. Runs on the latest node.js (v7.8 or greater). Persistence is achieved using MongoDB. Installation is recommended via Docker, but manual installation is also supported. Change the environment variables of the env file to match your desired configuration. Input your exchange connectivity information, account information, and MongoDB credentials. Please install docker for your system before proceeding. Requires at least Docker 1.7.1. Mac/Windows only. Ensure your target machine has node v7.8 (or greater) and MongoDB v3 or greater. Also, ensure Typescript 2.2, grunt, and, optionally, forever are installed (npm install -g grunt-cli typescript forever).

It’s fast, energy-efficient, and reliable. With ease of development, low transaction costs, and a knowledgeable community, it provides developers with a strong open-source foundation for executing on the most demanding projects, without hurting the environment. Open source, open to anyone to build on, maintained by the community. Tools and documentation that speed development and reduce time to market. Capable of settling thousands of transactions in seconds. At fractions of a penny per transaction, costs are inexpensive enough to enable a wide variety of use cases. Developers, validators, users, and businesses make the XRP Ledger better every day. 8+ years of consistent performance over more than 63 million ledgers. A high-performance decentralized peer-to-peer multi-currency exchange built directly into the blockchain. Atomically settle multi-hop payments that cross-currency or national boundaries with ease.