Feature/anti cheat engine #232
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- Add CheatReport model with violation tracking and appeal system - Implement IntegrityService with 4 detection algorithms: * Velocity anomaly detection (problem solving speed) * Platform switching detection (impossible context switches) * Difficulty pattern analysis (suspicious patterns) * Activity spike detection (unusual submission bursts) - Add shadow banning system: * Users excluded from leaderboards and tournaments * Auto-expires after configurable time period * Transparent user messaging - Implement 10 REST API endpoints: * User: view reports, submit appeals * Admin: manage reports, analyze users, review appeals, statistics - Add background processing: * Automated checks every 15 minutes * Daily cleanup of expired reports * Non-blocking job queue integration - Integrate with existing features: * Leaderboards filter shadow banned users * Tournaments block banned users from joining * Tournament leaderboards exclude banned participants - Add restrictTo middleware for role-based access control - Include comprehensive test script Co-authored-by: @SatyamPandey-07
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done |
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done |
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No conflict |
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merge it and review it @Yugenjr |
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merge it and review it @Yugenjr |
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Closes #215
This PR implements a comprehensive Anti-Cheat & Integrity System to maintain fair play in GrindMap's leaderboards and tournaments. The system uses statistical analysis and pattern recognition to automatically detect suspicious behavior, apply graduated penalties, and provide a transparent appeal process for users.
✨ Features Implemented
CheatReport Model
Complete violation tracking with 8 report types
Evidence storage (JSON) with detection metadata
5 status types: investigating, dismissed, warned, shadow_banned, banned, appealed
Expiration tracking for temporary bans
Appeal system integration
Detection Algorithms (4 sophisticated checks)
✅ Velocity Anomaly: Flags impossibly fast problem solving
Easy: min 30s, Medium: min 60s, Hard: min 180s
✅ Platform Switching: Detects impossible context switches
Max 3 platforms/minute, min 15s between switches
✅ Difficulty Pattern: Identifies suspicious patterns
Hard→Easy→Hard alternation, rapid hard problems
✅ Activity Spike: Catches unusual submission bursts
Max 30/hour, 200/day