{"repo":"HarrierOnChain/Prediction-Market-Contracts","free":true,"listed":false,"github":"https://github.com/HarrierOnChain/Prediction-Market-Contracts","clone":"git clone https://github.com/HarrierOnChain/Prediction-Market-Contracts.git","description":"This is a fork of the Polymarket contract, Now it is available on EVM especially Abstract and Arbitrum. Polymarket smart contract, Prediction market smart contract, Prediction market, Polymarket smart contract, Prediction market smart contract, Prediction market, Polymarket smart contract, Prediction market smart contract, Prediction market","language":"Solidity","stars":29,"topics":["evm","foundry","prediction-markets","smart-contracts","solidity"],"license":null,"category":"blockchain-web3","readme_excerpt":"Polymarket Smart Contract A production-grade, Polymarket-style prediction market protocol built with Foundry. Deployable on Arbitrum and Abstract . Overview This protocol implements a fully on-chain prediction market stack: - Conditional Token Framework (CTF) — ERC-1155 outcome tokens for binary markets - CTF Exchange — Hybrid CLOB exchange for binary market trading (COMPLEMENTARY / MINT / MERGE settlement) - Neg Risk Adapter — Multi-outcome categorical market support with NO→YES position conversion - Neg Risk CTF Exchange — Exchange for categorical markets using wrapped collateral - Optimistic Oracle — UMA-style dispute resolution with bonding and liveness windows Architecture Prerequisites - Foundry - Node.js (optional, for additional tooling) Installation Configuration Copy the example environment file and populate it: Variable Description --- --- PRIVATE KEY Deployer private key ARBITRUM RPC URL Arbitrum RPC endpoint ABSTRACT RPC URL Abstract RPC endpoint ARBISCAN API KEY Arbiscan API key for contract verification ABSTRACT API KEY Abstract explorer API key COLLATERAL ADDRESS USDC address on the target chain FEE RECEIVER Address to receive protocol fees ORACLE ADDRESS Off-chain oracle EOA or contract USDC addresses: Chain Address --- --- Arbitrum One 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 Abstract See Abstract bridge documentation Usage Build Test Gas Snapshots Format Local Node Deployment Arbitrum Abstract The deployment script prints all contract addresses on complet","default_branch":null,"files":null,"tree":[],"storefront":"/r/HarrierOnChain","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/HarrierOnChain/Prediction-Market-Contracts/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}