Solana Prediction Market Smart Contract

A decentralized prediction market platform built on Solana, EVM(BASE, Xlayer, BNB ) blockchain, inspired by Polymarket. This project enables users to create markets, trade positions, and resolve outcomes based on real-world events.

Features

• Market Creation: Create prediction markets for any event
• Liquidity Provision: Add and withdraw liquidity to markets
• Trading: Trade positions using Yes/No tokens
• Market Resolution: Automatic resolution based on final outcomes
• Fee Structure: Platform and LP fees for sustainable operations

Contact

If you wanna build prediction market project like this, plz contact here)

Relation project

• Frontedn & Backend

Architecture

The project is built using:

• Solana Web3.js
• Anchor Framework
• SPL Token Program
• Associated Token Program

Getting Started

Prerequisites

• Node.js
• Yarn
• Solana CLI
• Anchor Framework

Installation

1. Build the program:

anchor build

2. Deploy the program:

anchor deploy

Configuration

Configure your project settings:

yarn script config -e devnet -k <your-keypair-path> -r <your-rpc-url>

Usage Examples

1. Create a new market:

yarn script market -e devnet -k <your-keypair-path> -r <your-rpc-url>

2. Add liquidity to a market:

yarn script addlp -y <yes-token-address> -n <no-token-address> -a <amount> -e devnet -k <your-keypair-path> -r <your-rpc-url>

3. Trade positions:

yarn script swap -y <yes-token-address> -n <no-token-address> -a <amount> -s <style> -t <token-type> -e devnet -k <your-keypair-path> -r <your-rpc-url>

4. Withdraw liquidity:

yarn script withdraw -y <yes-token-address> -n <no-token-address> -a <amount> -e devnet -k <your-keypair-path> -r <your-rpc-url>

5. Resolve market:

yarn script resolution -y <yes-token-address> -n <no-token-address> -e devnet -k <your-keypair-path> -r <your-rpc-url>

Example Transactions

Configuration

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Market Creation

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Add Liquidity

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Withdraw Liquidity

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Swap

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Resolution

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