148 Repositories
JavaScript binance-smart-chain Libraries
Using a Decentralized Application (DApp) to Sell artwork on the Ethereum blockchain with smart contracts written in Solidity.
Decentralized Applications For Selling Limited Time Artwork This repository houses the Solidity, JavaScript, and HTML code for a Decentralized Applica
A bot that automatically claims winnings and runs 100% unattended. Now you can play while working, with friends, etc; Uses signals from TradingView to predict the price of BNB for up or down wagers in the PancakeSwap prediction game
*** Auto-Claim Prediction Robot *** $$$$$ Automatically claim your winnings!!! $$$$$ No more babysitting and checking balance!!! Play while you're at
Beautiful Visualizations For Your App's Dependencies 🧭
Beautiful Visualizations For Your App's Dependencies 🪱 Outputs SVGs Powered by D3 Overlays security vulnerabilities Works with npm & yarn Made by the
JellyChain1 is a blockchain network platform that supports smart contracts and can act as a payment system/cryptocurrency
JellyChain1 is an experimental blockchain network, that will serve as a starter blockchain test network and scale out database software and other applications. JellyChain1 is created to cut energy costs when mining transactions on the blockchain.
A Discord bot that uses Markov chains :)
About Markov BOT is a Discord bot that uses Markov chains to generate random sentences in the chat. The bot randomly collects messages written by user
A professional truffle solidity template with all necessary libraries that support developer to develop, debug, test, deploy solidity smart contract
solidity-truffle-template A professional truffle solidity template with necessary libraries that support to develop, compile, test, deploy, upgrade, v
Cryptocurrency trading bot in javascript for Bitfinex, Bitmex, Binance, FTX, Bybit ... (public edition)
Crypto Trading Bot A work in progress Cryptocurrency for common exchanges like Bitfinex, Bitmex and Binance. As most trading bots just provide basic b
A hardhat solidity template with necessary libraries that support to develop, compile, test, deploy, upgrade, verify solidity smart contract
solidity-hardhat-template A solidity hardhat template with necessary libraries that support to develop, compile, test, deploy, upgrade, verify solidit
🥁 Batch contract/on-chain queries to the same block. Multicall SDK for the Klaytn blockchain.
Klaytn Multicall Built for inevitable-changes/bento Inspired by makerdao/multicall and dopex-io/web3-multicall 📦 Installation # Yarn yarn install kla
A sequence of smart contracts to practice gas optimization. These are used as practice assignments for RareSkills.io and the Udemy Gas Optimization Course
RareSkills Gas Puzzles Puzzles that are ready for you Distribute (hard) Array Sum (easy) Escrow EscrowV2 Mint Presale Require (easy) Staking Contribut
⚡ Take a snapshot of all NFT/ERC721 collection holders. Blazing fast ⚡
⚡ Instant NFT / ERC721 Snapshot This small command line tool let's you create a blazing fast snapshot of all the owners of a NFT collection. For a 10k
Cupcakes SDK to allow developers access to Authentication & Smart Contract Wallets
Introduction Cupcakes allow DAPPs developers access to Smart Contract Wallets. These wallets can be DAPPs specific or User specific. You must read abo
🤑💰 Crowdfunding Platform backed by Ethereum Blockchain to bring your creative projects to life
Crypto Crowdfund For Creators Lacking the money to bring your Creative Venture to Life? Crypto Crowdfund Campaigns will help you turn your creative id
Mongo Strict is a TypeScript based smart MongoDB ORM, It makes the usage of MongoDB safer, easier and faster with a better performance...
mongo-strict mongo-strict is compatible with mongo = 5 Mongo Strict is a TypeScript-based smart MongoDB ORM, It makes the usage of MongoDB safer, eas
Vaultacks lets users store files off-chain on Gaia. Files are encrypted by default but also can be made public and shared
Vaultacks Vaultacks is built on the Stacks Chain. It lets users upload files to Gaia, a off-chain data storage system. Vaultacks currently uses the de
⚡⚡NextJS Full NFT Marketplace Application Running with Alchemy SDK. Deploy In Minutes with Smart Contracts Attached
+ Alchemy SDK Easy Polygon NFT Marketplace NextJS App Be sure to watch my Youtube video so you can learn and follow along! ** THE FILES ATTACHED TO TH
🔐 Protect your Smart Contract Proxy from storage collisions upon upgrading, by running this action in a CI on each of your Pull Requests!
🔥 🛠️ Foundry Storage Upgrade Seatbelt Protect your Smart Contract Proxy from storage collisions upon upgrading, by running this action in a CI on ea
Multi-chain defi crypto sniper written in typescript/javascript. Fastest method of sniping with auto-sell and rug prevention features.
CryptoSniper Community Edition Multi-chain defi crypto sniper written in typescript/javascript. Fastest method of sniping with auto-sell and rug preve
🦾 Tiny 2kb Markdown parser written, almost as fast and smart as Tony Stark
Starkdown 🦾 Starkdown is a Tiny 2kb Markdown parser written, almost as fast and smart as Tony Stark. npm i starkdown Motivation It is a continuation
Chain Anime.js calls on jQuery selectors.
jQuery.animejs This is a small ( 1kb) helper plugin for the great Anime.js. Features Chain Anime.js calls in a more readable way. Supports latest Ani
A code formatter for the Motoko smart contract language.
Motoko Formatter · A Prettier plugin for the Motoko programming language. Setup After making sure Node.js is installed on your local machine, run the
⚡🚀 Call multiple view functions, from multiple Smart Contracts, in a single RPC query!
ethers-multicall ⚡ 🚀 Call multiple view functions, from multiple Smart Contracts, in a single RPC query! Querying an RPC endpoint can be very costly
Your Ethereum control panel. Interact with smart contracts on Ethereum.
etherfunk Your Ethereum control panel. Interact with smart contracts on Ethereum. 👉 https://etherfunk.io 👈 Devleopment First, run the development se
An overly simplified Angular tool for interacting with Smart Contracts, demod at ng-conf 2022.
AngularOperator This is a sample repo and tool created for ng-conf 2022. It contains a normal Angular app designed to interact with the blockchain. It
⏬ Fetch the most up-to-date ABI of verified Smart Contracts (including proxy implementations) from Etherscan in seconds!
etherscan-abi ⏬ 🚀 Fetch the most up-to-date ABI of verified Smart Contracts (including proxy implementations) from Etherscan in seconds! Usage CLI Fe
A module federation SDK which is unrelated to tool chain for module consumer.
hel-micro, 模块联邦sdk化,免构建、热更新、工具链无关的微模块方案 Demo hel-loadash codesandbox hel-loadash git Why hel-micro 如何使用远程模块 仅需要一句npm命令即可载入远程模块,查看下面例子线上示例 1 安装hel-micr
🔆🔎👀 Smart Contract Storage Viewer, DataType Guesser, Toolbox & Transaction Decoder
🔆 🔎 👀 Smart Contract Storage HexViewer Demo Target - the target contract API Endpoint - your infura (or equivalent) api key Retrieves smart contrac
🌳📝 Smart contracts for the Arbor Protocol
Arbor Smart Contracts app testnet landing docs discord blog twitter Security Please report any security issues to [email protected] V1 Smart Contr
Zero-Knowledge OTP verification on chain
zkOTP: Zero-Knowledge OTP verification on chain Motivation Inspired by SmartOTP and Modulo's 1wallet, a zkOTP solution can manage access to a smart co
FlipVerse: Blockchain-based eCommerce warranty system using NFTs
FlipVerse 🔗 Blockchain-based eCommerce warranty system using NFTs DEMO LINK About the Site 🚀 Blockchain-based eCommerce warranty system using NFTs T
A decentralised E-commerce platform with NFT based warranty
flipshop A decentralised E-commerce platform with NFT based warranty demo- video, developed for Flipkart Grid 4.0 Hackathon Problem Statement Currentl
This is smart contact game with random winner.
Game of Chance This is smart contract that deploys on blockchain. This is the game. Winner is selected randomly. Requirements: Yarn Node.js HardHat Qu
Pull a smart contract from mainnet onto your local chain.
hardhat-copy hardhat-copy helps you import an Ethereum mainnet smart contract onto your local Hardhat node, enabling you to rapidly experiment with pr
🦠🔬 Forta agent that detect deployment of smart contracts containing an exploit function
Attack Simulation Bot Description The agent detects deployment of smart contracts containing an exploit function. Using a simulation-based approach, t
Cosmos chain registry ⚛️
chain-registry The npm package for the Official Cosmos chain registry npm install chain-registry example import { assets, chains, ibc } from 'chain-r
Simple, smart and pleasant validation solution.
nice-validator Simple, smart and pleasant validation solution. Download the latest release or install package via npm or bower $ npm install nice-vali
Smart Time Ago is a little jQuery library to update the relative timestamps in your document.
Smart Time Ago Smart Time Ago is a little jQuery library to update the relative timestamps in your document intelligently. (e.g "3 hours ago"). It's o
V2.0 🚀 AI Driven PancakeSwap Prediction Bot🔮
🔮 🚀 PancakeSwap Prediction Bot (improved) v2.0 PancakeSwap Prediction Bot using AI recomendations. Folked and improved from this repository. ⭐ Pleas
In this repository, I try to perform a mainnet fork and then simulate popular smart contract exploits on various DEFI Protocols using Hardhat Framework.
defiHacks_via_Hardhat 1. Alchemix Access Control Bug Any user could have called setWhitelist() to give an attacker the ability to call the harvest fun
The idea is build an app that make me consult uber ride prices through my mi band or a smart watch.
CanIGetHome? - Get uber prices The main idea is the possibility to me to get the estimate uber rides prices through my mi band 6. Get my current local
On-chain snapshots of the whole blockchain state
📸 Snapshop 📸 Snapshop is a tool for creating on-chain snapshots of the whole blockchain state. It lets your smart contracts read the storage of any
This is a CI/CD and version controlling tool for smart contracts which is an award winning project built for ETHPrague Hackaton.
Inspiration Alfred is built-in version control and CI/CD system for your smart contracts. It uses proxy contract and a DAO to upgrade or downgrade you
Passport NFT using on-chain metadata
Passport NFT Collection Setup yarn Environment File (.env) RINKEBY_URL: Ethereum (Rinkeby) Testnet Provider endpoint MATIC_URL: Polygon (Matic Mumbai)
Elrond blockchain CLI helper tools - interaction with APIs, smart contracts and protocol
Buildo Begins 👷 Meet Buildo. He is here to help you start creating in the Elrond blockchain ecosystem. Here is where everything begins. I'm going on
ModeSens is your digital shopping assistant for the smart and informed.
ModeSens is your digital shopping assistant for the smart and informed. Established in 2015, ModeSens is led by a team of industry experts who developed a solution to the disconnected and crowded online shopping experience. Product information was scattered, and shopping required too much research to make an informed purchase.
A quick ERC-20 tutorial with testing, fuzzing and more.
ERC-20-tutorial A quick ERC-20 tutorial with testing, fuzzing and more. Our Approach This tutorial will help you learn web3 with three principles in m
Analytics and insights for data aggregated from multiple bridges and chains.
Inter-Bridge-Visualizer Analytics and insights for data aggregated from multiple bridges and chains. Website at bridgeexplorer.xyz Background Bridges
A fast, synchronized and dynamic query builder package.
@ssibrahimbas/query A fast, synchronized and dynamic query builder package. What is? In short, the query builder. You can write complex and parameteri
chain-syncer is a module which allows you to synchronize your app with any ethereum-compatible blockchain/contract state. Fast. Realtime. Reliable.
Chain Syncer Chain Syncer is a JS module which allows you to synchronize your app with any ethereum-compatible blockchain/contract state. Fast. Realti
Firefox Extension for Smart Reading - Bionic Reading
Smart Reader - Bionic Reading Smart Reader or Bionic reading is a way to keep our focus on the web. The fact that the beginnings of words are bolded,
Ethereum chain sniperbot for tokens. This bot sniffs the mempool for pending transactions for trading enabled and also liquidity add functions.
Ethereum chain sniperbot for tokens. This bot sniffs the mempool for pending transactions for trading enabled and also liquidity add functions.
OSINT - Data Visualization - Blockchain - Awareness - Scam
poorSKeme OSINT - Data Visualization - Blockchain - Awareness - Scam Install Go to this site and click on the downdload button Or go to release sectio
GO implementation of the Terra 2.0 Protocol
The full-node software implementation of the Terra blockchain. Explore the Docs » Terra Core reference · Go API · Rest API · Finder · Station Terra mi
A Typescript Hardhat-based template to develop evm-based smart contracts with all the tooling you need.
EVM-based Smart Contract Scaffold A Typescript Hardhat-based template to develop evm-based smart contracts with all the tooling you need. Features Use
Cardinal generator encompasses serverless functions and smart contracts for rendering generative NFTs
Cardinal Generator An open protocol for generative NFTs. Background Cardinal generator encompasses serverless functions and smart contracts for render
Connect your Ethereum smart contract to any real world API using the oracle pattern!
Minimal Viable Oracle (MVO) - An effective way to Build your own oracle with Solidity Smart contracts cannot access off-chain data directly. This repo
A simple project to learn more about developing smart contracts on polygon.
polygon-books-hardhat A simple project to learn more about developing smart contracts using Solidity. Local Development Environment Setup Install all
Toolkit for development, test and deploy smart-contracts on Waves Enterprise ecosystem.
JS Contract SDK Toolkit for development, test and deploy smart-contracts on Waves Enterprise ecosystem. Quickstart The fastest way to get started with
An ERC-721 like NFT contract with Plutus scripts and Lucid as off-chain framework
Gatsby minimal TypeScript starter 🚀 Quick start Create a Gatsby site. Use the Gatsby CLI to create a new site, specifying the minimal TypeScript star
Introductory fullstack ethereum dapp using: solidity, hardhat, react.js, ethers.js
Intro to Fullstack Ethereum Development Check out deployed dapp here! (Make sure you're connected to the Rinkeby Testnet) This article will help you e
🚀 NFTank (NFT tank for dummies) will allow developers to quickly request NFTs to personal wallets or smart contracts in just a few clicks.
👷♂️ NFTank 🚀 NFTank (NFT tank for dummies) will allow developers to quickly request NFTs to personal wallets or smart contracts in just a few click
simple dashboard for cross-chain greeks
Oh My Greeks Simple platform for cross-chain Greeks Intro We need a place to see all my on-chain greeks.. aggregated nicely. Hosting Currently hosting
a quick start boilerplate for developing web3 apps and deploying smart contracts.
create-web3 A boilerplate for starting a web3 project. This boilerplate quickly creates a mono repo with 2 environments, a Next JS environment for fro
sound.xyz smart contracts
sound.xyz protocol Explanation of our design approach: https://sound.mirror.xyz/WlS2nfpa1Onk8uknbC7YkhVJ4cYibTc4rUDTyiR55lM We plan to make the protoc
Yet another library for generating NFT artwork, uploading NFT assets and metadata to IPFS, deploying NFT smart contracts, and minting NFT collections
eznft Yet another library for generating NFT artwork, uploading NFT assets and metadata to IPFS, deploying NFT smart contracts, and minting NFT collec
This is a development platform to quickly generate, develop & deploy smart contract based applications on StarkNet.
generator-starknet This is a development platform to quickly generate, develop, & deploy smart contract based apps on StarkNet. Installation First, in
A tiny blockchain node for browsers.
UBI Chain A very tiny blockchain for browsers. Features Spin up a node from a browser. One node per human via Proof of Humanity UBI for gas and fees.
📊 AlphaSwap subgraph - (Blocks, token info, profiles, pricing data, LP metrics, etc...)
AlphaSwap Subgraph AlphaSwap is a decentralized protocol for automated token exchange on the KCC network. This subgraph dynamically tracks any pair cr
On-chain query batcher for CosmWasm-enabled chains
multiquery On-chain query batcher for CosmWasm. Similar to SCB 10X's multicall contract, but supports any serializable query request, not limited to W
Multi-chain sniper bot to buy and sell tokens on ETH compatible chains. Features include instant or mempool sniping, rug protection, and sell management.
An open-source defi sniper. defi-sniper is free to download. NEW Community telegram group: https://t.me/+aBLUmP1UnypiNTVh Premium Services Now Availab
Smart Territory Framework Core using NEC Scorpio 2.0 and AWS serverless services
Smart Territory Framework Core - STF Core using NEC Scorpio Broker ⚠️ This stack is for demonstration purposes only. The nested stack deploying the NE
Quickly create an anchor program from templates and setup anchor dev environment.
Create Anchor App Quickly create an anchor program from templates and setup anchor dev environment. Example Installation npm i -g @create-anchor-app/c
A smart city community centered application I am building for the Hackers In Residence under the Nkwashi program
A smart city community centered application I am building for the Hackers In Residence under the Nkwashi program. Implementing solutions and automation for potential future problems in the city.
This repository contains the Solidity smart contract of Enso, a detailed list of features and deployment instructions.
Enso NFT Smart Contract This repository contains the Solidity smart contract of Enso, a detailed list of features and deployment instructions. We stro
A little practice dapp for ethereum smart contract development.
Basic Sample Hardhat Project This project demonstrates a basic Hardhat use case. It comes with a sample contract, a test for that contract, a sample s
Smart contracts for DecentraMix.io, a cross-chain, non-custodial privacy-preserving protocol within the DecentraWorld ecosystem.
➡ DecentraMix.io Solidity Smart Contracts To get a better understanding of DecentraMix, we recommend to read about the technologies and privacy protoc
Lucid is a library, which allows you to create Cardano transactions and off-chain code for your Plutus contracts in JavaScript and Node.js.
Lucid is a library, which allows you to create Cardano transactions and off-chain code for your Plutus contracts in JavaScript and Node.js.
A decentralized protocol for indexing and querying data from DecentraMix's on chain contracts across all supported blockchains.
A decentralized protocol for indexing and querying data from DeMix contracts across all supported blockchains.
DecentraMix.io is a cross-chain, non-custodial, universal privacy-preserving protocol with the decentralized governance
DecentraMix.io is a cross-chain, non-custodial, universal privacy-preserving protocol with the decentralized governance. DecentraWorld applies zkSNARKs to enable transactional privacy for all DeFi components by breaking the on-chain link between depositor and recipient addresses.
Danger is near (play to earn game, gamefi on near chain testnet) - user play as a fireknight in a PIXELVERSE world who go to forest and kill monster.
Danger is near (play to earn game, gamefi on near chain testnet) - user play as a fireknight in a PIXELVERSE world who go to forest and kill monster. User can earn $DANGER token and score to compete with others user.
This SDK helps developers get started with the on-chain tools provided by Metaplex.
Metaplex JavaScript SDK ⛔️ DO NOT USE IN PRODUCTION, THIS SDK IS IN VERY EARLY ALPHA STAGES! This SDK helps developers get started with the on-chain t
sound.xyz smart contracts
sound.xyz protocol Explanation of our design approach: https://sound.mirror.xyz/WlS2nfpa1Onk8uknbC7YkhVJ4cYibTc4rUDTyiR55lM We plan to make the protoc
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
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
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
Gas-efficient on-chain batched shuffling for NFTs
Batch NFT reveal This repository contains a gas-efficient implementation of an on-chain shuffling algorithm used to reveal NFTs in batches. The main b
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
This is the main repository for NFT collection dao smart contracts.
Basic Sample Hardhat Project This project demonstrates a basic Hardhat use case. It comes with a sample contract, a test for that contract, a sample s
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 website for tracking community support for BIP21 QR codes that support on-chain and lightning bitcoin payments.
BIP21 Microsite This is a WIP microsite to promote the usage of a BIP21 payment URI QR code that can include lightning invoices or offers. Wallet supp
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
Ethereum smart contract gas cost waste pattern detection and patching tool
Ethereum smart contract gas cost waste pattern detection and patching tool
Scans your computer for node modules that are potentially vulnerable to supply chain attacks
Scans your computer for node modules that are potentially vulnerable to supply chain attacks. You still need to review the code of modules that are not vulnerable, but this helps.
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
Easy-to-use tool to inform you about potential risks in your project dependencies list
sdc-check Easy-to-use tool to inform you about potential risks in your project dependencies list Usage Add to your project Add new npm command to scri
Smart selection with double clicks for VS Code.
Smart Clicks VS Code Smart selection with double clicks for VS Code. GIF Demo Usage Double clicks on the code. Rules bracket-pair Pair to inner conten
Context-aware smart contracts for blockchain IoT systems
Context-aware smart contracts for blockchain IoT systems It contains 2 directories: contracts: contains the ContextAwareSmartContract.sol contract wit
Perpetual Protocol Curie (v2) core contracts
Perpetual Protocol Curie (v2) core contracts