173 Repositories
JavaScript ethereum-contract Libraries
Spiner bot to buy and sell tokens on ETH and ERC compatible chains as soon as liquidity is added and trade is enabled.
An open-source defi sniper. open-sniper is free to download. Premium Services Now Available While open-sniper is free and open-source, if you want the
🏦 Defi Bank is a dapp created for ethereum 101 course of cadena.dev
Welcome to DefiBank 👋 Defi Bank is a dapp created for ethereum 101 course of cadena.dev ✨ Demo Install npm install Usage npm run dev Tech NextJS Reac
Universal interface for web3 wallets
web3-wallets Universal interface for web3 wallets dapp wallets blockchains ╭─
Terra development environment for better smart contract development experience.
Terrain Terrain – Terra development environment for better smart contract development experience Terrain will help you: scaffold your dapp project eas
A prototype snap for injecting gas fee prices into a confirmation window that also serves as the basis for a 5-minute Snaps tutorial
@Montoya/gas-fee-snap A simple Snap example based on @MetaMask/template-snap. Read below for a tutorial! Prerequisites Before you begin, make sure you
Stays: book accommodation on-chain, pay in crypto, and help local communities
Stays: on-chain bookings Installation Make sure you have node and nvm installed: nvm use v16 npm install -g yarn npm install -g lerna yarn install ler
Tip Tweet is a hybrid dApp that provides a simple way to tip a tweet using Ethereum. Authors can claim their tips using their Twitter account. You only need the tweet URL to tip. 🚀 😎
Tip Tweet Table of Contents About Folder Structure Contract Deveopment Starting the App Usage Contributing About Tip Tweet is hybrid dApp that allows
Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood
Mastering Ethereum Mastering Ethereum is a book for developers, offering a guide to the operation and use of the Ethereum, Ethereum Classic, RootStock
Use Hardhat & Foundry in the same project
Hardhat Foundry Starter This is a solidity starter template which lets you use both, Hardhat and Foundry. Why use both the tools? Foundry has some awe
A bridge between different EVM based Chains.
Blockchain Bridge between different Ethereum based chains. This project uses DApps and smart contracts to Bridge assets between blockchains and it is
A solidity tutorial repo.
Advanced Sample Hardhat Project This project demonstrates an advanced Hardhat use case, integrating other tools commonly used alongside Hardhat in the
Container Image Signing & Verifying on Ethereum [Testnet]
cosigneth An experimental decentralized application for storing and verifying container image signatures as an NFT on Ethereum cosigneth, is a decentr
🌱 Ethereum provider solution for Dapp&Wallets, 🏷 If you have good suggestions, please submit issues
English | 简体中文 | 日本 ETH Wallet Modal An Ethereum Provider Solution for Integrated Wallets and Dapps ⚠️ Notice If you need to reduce unnecessary import
A simple multilateral escrow smart contract for ETH and ERC-20 tokens governed by Cobie.
Multilateral Escrow Smart Contract Governed by Cobie Test Deployments Cobie's address: 0x4Cbe68d825d21cB4978F56815613eeD06Cf30152 Rinkeby: 0xFfE420602
Detect if a contract has been deployed in the latest (or predefined) block from an address that was previously funded through Tornado.Cash.
🕵️♂️ TORN Detector Detect if a contract has been deployed in the latest (or predefined) block from an address that was previously funded through Tor
A simple NEXT.js app that lists NFTs within a contract address from a Buildable Flow.
NFT Marketplace Demo This is a basic Next.js app for listing NFTs in a given contract address. The purpose of this repository is to showcase the simpl
A microservice for calling ethereum APIs.
Ether Goblin A microservice for calling ethereum APIs. Features RESTFul APIs for the Ethereum Blockchain and its ecosystem Microservice Run in Docker
Solidity Quickstart is an extensive solidity guide for the solidity newbies out there.
🚀 Solidity Quickstart Solidity Quickstart is an extensive solidity guide for the solidity newbies out there. 🤔 How does it work? All the guides rela
Decentralized twitter using Solidity, Ethereum, hardhat, ethers, IPFS, Next.JS, TypeScript, TailwindCSS.
DWITTER: Decentralized Twitter Check out the deployed version of this app at https://dwtr.wajeshubham.in Transactions on Ethereum are slow. Therefore,
Solidity NFT whitelist contract example using MerkleTree.js for constructing merkle root and merkle proofs.
MerkleTree.js Solidity NFT Whitelist example Allow NFT minting only to whitelisted accounts by verifying merkle proof in Solidity contract. Merkle roo
This is a decentralised application that allows you to pay your employees salary in Ethereum.
This is our project for Ethernals Hackathon. Built on Polygon and deploye dusing Spheron. You can check out live project here: https://ethernals_dapp-
Ethereum smart contract gas cost waste pattern detection and patching tool
Ethereum smart contract gas cost waste pattern detection and patching tool
A comprehensive collection of useful tools developed with the help of Ethers.js to interact with the Ethereum Blockchain to develop great DeFi apps as quickly and easily as possible.
hudi-packages-ethersfactory How to install Installing with npm For more information on using npm check out the docs here. npm i @humandataincome/ether
SmartBuilder: A Block-based Visual Programming Framework for Smart Contract Development
SmartBuilder A Block-based Visual Programming Framework for Smart Contract Development Technology stack used SmartBuilder Framework - Google Blockly A
Master Collection NFT. Mints NFTs on Ethereum containing unique combination of titles for fun.
Master NFT Collection Master NFT Collection is an NFT minting platform that mints NFTs that contain a unique combination of snazzy titles just for fun
enables communication between command-line or desktop applications and browser-based Ethereum wallets such as Metamask.
@securerpc/walletbus @securerpc/walletbus Abstract Quickstart Installation Usage Ethers.js Web3.js Configuration options Logging Development Automated
A full stack digital marketplace running on Ethereum, built with Polygon, Next.js, Tailwind, Solidity, Hardhat, Ethers.js, and IPFS
A full stack digital marketplace running on Ethereum, built with Polygon, Next.js, Tailwind, Solidity, Hardhat, Ethers.js, and IPFS
Smart contracts for governance. Contract allows to bond custom/LP UNI-v2 tokens and get voting power
Smart contracts for governance. Contract allows to bond custom/LP UNI-v2 tokens and get voting power
A 'to do list' powered by Ethereum smart contracts
A 'to do list' powered by Ethereum smart contracts. built with JavaScript, Ganache, Truffle, Node.js, Metamask, jQuery, and Bootstrap
Heliaia - a proxy that sits between your wallet and a node🧑⚖️
Heliaia Heliaia is a proxy that sits between your wallet and a node, with the sole purpose to intercept transactions before they are broadcasted. Tran
zkPoB is a mobile compatible tool that lets anyone prove they own a Bufficorn (or any NFT) without revealing which Buffi they own or the address they are verifying themselves with
zkPoB is a mobile compatible tool that lets anyone prove they own a Bufficorn (or any NFT) without revealing which Buffi they own or the address they are verifying themselves with
An attempt to create the simplest demo to describe a Consumer-Driven Contract Testing workflow with Pact
Let's Play with Pact Abstract This is an attempt to create the simplest demo to describe a Consumer-Driven Contract Testing workflow with Pact. Prereq
A monorepo containing both the $CODE token contract & the claim web app.
DeveloperDAO $CODE contract & claim site A monorepo containing both the $CODE token contract & the claim web app. Contents Related Development Prerequ
GitHub action to install Foundry
foundry-toolchain Action This GitHub action installs Foundry. Example workflow on: [push] name: test jobs: check: name: Foundry project ru
Code in Solidity like a PRO with Egor Gavrilov. Check out YouTube channel ▶️
Code in Solidity like a PRO with Egor Gavrilov Check out YouTube channel youtube.com/EgorGavrilov Tutorials Perfect Solidity Stack It's easy to get st
Vesting contract with multiple beneficiaries, tokens, and lock schedules.
⚠️ This code has not been audited, use at your own risk Vesting Contract This contract handles the vesting of ERC20 tokens for multiple beneficiaries.
Ganache is an Ethereum simulator that makes developing Ethereum applications faster, easier, and safer
Ganache is an Ethereum simulator that makes developing Ethereum applications faster, easier, and safer. It includes all popular RPC functions and features (like events) and can be run deterministically to make development a breeze.
Blockchain, Smart Contract, Ganache, Remix, Web3, Solidity, Java Script, MQTT, ESP32, RFID, DHT11,
Blockchain, Smart Contract, Ganache, Remix, Web3, Solidity, Java Script, MQTT, ESP32, RFID, DHT11,
A fully-fledged Hardhat project template based on TypeScript.
Fully-Fledged Hardhat Project Template Based on TypeScript Installation It is recommended to install Yarn through the npm package manager, which comes
A Twitter bot that tweets all ERC-721 NFT sales for a given contract 🤖
NFT Sales Twitter Bot 🤖 This was made to succeed my Opensea Sales Twitter Bot repo; while relying on the OpenSea Events API is simpler, it doesn't in
🐲 Epic NFTs [UI] - Proyecto que te permitirá conectar tu billetera y acuñar un NFT, podrás revender el NFT en OpenSea. El NFT en sí se puede personalizar
🐲 Epic NFTs [UI] El proyecto se encuentra deployado en Vercel para que puedan verlo e interactuar con él, toda crítica o comentario se agradece, pued
Frontend, contracts, and merkle tree generator for use in quickly scaffolding ERC20 token airdrops.
Merkle Airdrop Starter Quickly bootstrap an ERC20 token airdrop to a Merkle tree of recipients. Steps: Generate Merkle tree of recipients by following
Verbosely Documented, Minimal Starknet Contract Examples.
cairo-by-example • Verbosely Documented, Minimal Starknet Contract Examples. Cairo By Example deployed to https://cairo-by-example.xyz Developing Clon
Lightweight reusable Web3 UI components for dapps.
Web3UIKit 🧙♂️ Beautiful and lightweight UI components for web3 developers. This UI library will speed up your dapp development no matter which chain
A Bed and Breakfast dApp run on Ethereum. Includes a token + schedule system (Solidity) and full front-end (React + ethers.js) built with Hardhat.
Hotel ETH - Watch Demo Video Hotel ETH A (fictional) Bed-and-Breakfast run on Ethereum Come Book a Room on Kovan or Rinkeby Networks View the Demo » C
Generate random ethereum wallets & private keys and then check if they match a wallet that contains some kind of balance, so that you can take it. In Node.js
Ethereum-Stealer Generate random ethereum wallets & private keys and then check if they match a wallet that contains some kind of balance, so that you
Simple implementation of online contract signature.
react-pdf-signaturer Simple implementation of online contract signature. Example online demo: https://buynao.github.io/react-pdf-signaturer/ Usage $ g
Security tool used to take quick action against newly-discovered vulnerabilities in the blockchain.
SolidGuard is a Blockchain Security tool catered towards organizations who manages decentralized applications on the Ethereum blockchain. It is an attack database for documenting all major hacks that happened in the blockchain, and is also used to notify or pause decentralized applications affected by the attacks published in the database.
Squeeth is a new financial primitive in DeFi that gives traders exposure to ETH²
Squeeth Monorepo The Squeethiest 🐱 🤔 What is Squeeth The squeeth contract is designed for users to long or short a special index: Eth², as an implem
Minimal Typescript / NextJS dApp template bootstrapped with wagmi Ethereum react hooks library.
Welcome to the NextJS wagmi starter template 👋 Looking to get up and running with a Typescript / NextJS dApp as quickly as possible? You're in the ri
Awesome mirror.xyz.
优质 Mirror 信息源列表 目录 Mirror 信息源列表 什么是 Mirror 如何提交 为什么要收集这张列表 Mirror 信息源列表 列表上的信息源订阅数不多,暂时取消展示 RSS 订阅数。 简介 订阅链接 标签 Shawn https://submirror.xyz/dao4ever.e
tron evnts plugin simplified, helps get emmited contract events.
tron-events tron events plugin simplified, helps get emmited contract events. Installation/Running clone this repo git clone https://github.com/ahmadb
Use pulsar to make custom trading strategy that uses Flashloans at low cost. No contract deployment required.
PULSAR Pulsar is a contract that will let you execute custom call on the blockchain and let you make use of the Flasloans in your trading sequences. Y
📗🌐 🚢 Comprehensive and exhaustive JavaScript & Node.js testing best practices (August 2021)
👇 Why this guide can take your testing skills to the next level 📗 46+ best practices: Super-comprehensive and exhaustive This is a guide for JavaScr
Aergo Timer Service schedule smart contract function calls
Aergo Timer Service ⏰ Create timers to call functions on your smart contracts Schedule calls based on time interval or on specific date-times For a sm
SmartContract UI Open source Blockchain's Smart Contract Tool
SmartContract UI Open source Blockchain's Smart Contract Tool Table of contents Homepage Features Usage Config ABI Import from deployed contract Selec
Using Ethereum Smart Contracts to verify any user's vaccination via Identification Number or QR Code.
Covid-Vaccine-Verification-Blockchain Using Ethereum Smart Contracts to verify any user's vaccination via Identification Number or QR Code. Requiremen
Web3-citizens-app - React application based on smart contract using web3 and MetaMask extention.
Citizens App (web3-react-redux) React application based on smart contract using web3 and MetaMask extention. Start the applicarion Recomend to install
Eth-explorers-extension - Chrome extension to open Ethereum addresses & transaction hash from any page on popular explorers + dashboards
eth-explorers-extension(s) This repository contains two folders with two extensions that work for address and transactions respectively. 1. eth-addres
Uniswapv2-pool-funding - A "Nugget Standard for Funding" compliant smart contract to provide liquidity to UniswapV2 (clone) pools. (Quickswap in this case)
uniswap(clone)-v2-pool-funding A smart contract that makes it easy to: supply liquidity to a uniswap(clone)-v2 pool using ERC20 or the network native
The Ripple Effect (An Ethereum-Based Fundraiser App)
The-Ripple-Effect---An-Ethereum-Based-Fundraiser-App - The Ripple Effect is a ethereum based fundraising app that can not only be used to donate to a specific cause but also to allocate/distribute funds with total transparency. The frontend has been made on ReactJS with the backend on Solidity with the help of Ganache.
potsky.eth NTF website hosted on IPFS
potsky NFT Website Introduction This website showcases potsky's digital creations from 90's to now created on Amiga and on Mac OS X. Dev # install dep
First smart contract deployed on Rinkeby.
Inbox-Contract First smart contract deployed on Rinkeby. It has a basic constructor which accpets a string and assigns the string to the message varia
♦ Crowd funding project using Smart Contracts on the Ethereum. Created with Next.js and Tailwind CSS.
Crowdcoin ♦ Crowd funding project using Smart Contracts on the Ethereum. Created with Next.js and Tailwind CSS. Project from "Ethereum and Solidity: T
lottery smart contract with react UI, Now ready to interact
Getting Started with Create React App This project was bootstrapped with Create React App. Available Scripts In the project directory, you can run: ya
Evmos chain
Evmos Evmos is a scalable, high-throughput Proof-of-Stake blockchain that is fully compatible and interoperable with Ethereum. It's built using the Co
Build a Full Stack Marketplace on Ethereum with React, Solidity, Hardhat, and Ethers.js
Building a Digital Marketplace on Ethereum The technologies used in this workshop are React, Next.js, Tailwind CSS, HardHat, Solidity, and Ethers. Get
Ethereum Smart Contracts for locking your Ether and ERC20 tokens based on time and price conditions
SmartHold - a simple way to lock and hold your ETH or ERC20 in a smart contract This is a BETA software that has not been audited for security. USE AT
A full-stack dApp starter built on Ethereum (Solidity) with Next.js (React).
A full stack dApp starter built on Ethereum (Solidity) with Next.js (React) This repo contains boilerplate code for interacting with a simple smart co
A super simple and lightweight API to get crypto token live information.
TokenStats 🚀 🚀 A super simple and lightweight API to get crypto token live information. APP URL https://tokenstats.herokuapp.com/ Quick Start To get
Bounty/Lootbox system for incentivizing donations of celebrity ENS names.
ENS Lootbox Quick hack inspired by Mike's tweet about celebrity ENS domain donations. Run locally First, update ETH RPC url in hardhat.config.js and t
Collection of JSON-RPC APIs provided by Ethereum 1.0 clients
Ethereum JSON-RPC Specification View the spec The Ethereum JSON-RPC is a collection of methods that all clients implement. This interface allows downs
A bot to automatically DCA (Dollar-Cost Average) buy cryptocurrency on Binance
Binance DCA (Dollar-Cost-Averaging) Bot This bot allows you to sit back and relax while it automatically invests in cryptocurrency on the Binance exch