[BOUNTY #101] Add Mainnet Launch Checklist

MAINNET_LAUNCH_CHECKLIST.md

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+# Mainnet Launch Checklist
+
+> **Repository:** ANAVHEOBA/PrivacyLayer
+> **Issue:** #101
+> **Priority:** High
+> **Status:** 🔄 In Progress
+
+---
+
+## Overview
+
+Comprehensive checklist for mainnet launch readiness. This document ensures all critical aspects are verified before deploying to mainnet.
+
+---
+
+## ✅ Security Checklist
+
+### Smart Contract Security
+- [ ] All smart contracts audited by reputable firm
+- [ ] Critical/High severity issues resolved
+- [ ] Medium/Low severity issues documented and accepted
+- [ ] Bug bounty program active (e.g., Immunefi)
+- [ ] Emergency pause mechanism tested
+- [ ] Upgrade mechanism secured (timelock, multisig)
+
+### Access Control
+- [ ] Admin keys stored in multisig wallet
+- [ ] Multisig signers verified and secure
+- [ ] Role-based access control implemented
+- [ ] Privileged functions documented
+
+### Network Security
+- [ ] DDoS protection enabled
+- [ ] Rate limiting configured
+- [ ] RPC endpoints secured
+- [ ] TLS/SSL certificates valid
+
+---
+
+## ✅ Audit Requirements
+
+### External Audits
+- [ ] Primary smart contract audit completed
+- [ ] Secondary audit (if required) completed
+- [ ] All audit reports published
+- [ ] Audit findings tracked and resolved
+
+### Internal Reviews
+- [ ] Code review completed by core team
+- [ ] Security review completed
+- [ ] Gas optimization review completed
+- [ ] Documentation review completed
+
+---
+
+## ✅ Testing Requirements
+
+### Unit Tests
+- [ ] Code coverage > 90%
+- [ ] All critical paths tested
+- [ ] Edge cases documented and tested
+- [ ] Test suite passes on CI/CD
+
+### Integration Tests
+- [ ] Cross-contract interactions tested
+- [ ] Frontend integration tested
+- [ ] API endpoints tested
+- [ ] Third-party integrations tested
+
+### Testnet Deployment
+- [ ] Deployed to testnet (Goerli/Sepolia/etc.)
+- [ ] Testnet running for minimum 2 weeks
+- [ ] No critical bugs discovered
+- [ ] Community testing completed
+
+### Load Testing
+- [ ] Stress testing completed
+- [ ] Gas limit scenarios tested
+- [ ] High transaction volume simulated
+- [ ] Performance benchmarks documented
+
+---
+
+## ✅ Deployment Procedures
+
+### Pre-Deployment
+- [ ] Deployment script reviewed and tested
+- [ ] Deployment runbook documented
+- [ ] Rollback plan documented and tested
+- [ ] Team roles and responsibilities assigned
+
+### Deployment Steps
+- [ ] Deploy smart contracts to mainnet
+- [ ] Verify contracts on block explorer
+- [ ] Initialize contract parameters
+- [ ] Configure access control
+- [ ] Deploy frontend application
+- [ ] Configure DNS and CDN
+- [ ] Enable monitoring and alerting
+
+### Post-Deployment
+- [ ] Verify contract addresses match expected
+- [ ] Test critical functions on mainnet
+- [ ] Monitor initial transactions
+- [ ] Announce launch to community
+
+---
+
+## ✅ Rollback Plans
+
+### Emergency Procedures
+- [ ] Emergency pause function tested
+- [ ] Emergency multisig signers available
+- [ ] Communication template prepared
+- [ ] Decision tree documented
+
+### Rollback Scenarios
+- [ ] Smart contract vulnerability discovered
+- [ ] Critical bug in frontend
+- [ ] Data corruption detected
+- [ ] Security breach detected
+
+### Recovery Steps
+- [ ] Pause affected contracts
+- [ ] Notify users via all channels
+- [ ] Deploy fix to testnet
+- [ ] Test fix thoroughly
+- [ ] Deploy fix to mainnet
+- [ ] Resume operations
+- [ ] Post-mortem analysis
+
+---
+
+## ✅ Communication Strategy
+
+### Internal Communication
+- [ ] Launch war room established
+- [ ] Team contact list distributed
+- [ ] Escalation procedures documented
+- [ ] Shift schedule for monitoring
+
+### External Communication
+- [ ] Launch announcement drafted
+- [ ] Social media posts scheduled
+- [ ] Blog post prepared
+- [ ] Press release (if applicable)
+
+### Community Communication
+- [ ] Discord/Telegram moderators briefed
+- [ ] FAQ document prepared
+- [ ] Support ticket system ready
+- [ ] Community call scheduled
+
+### Monitoring & Alerts
+- [ ] Transaction monitoring enabled
+- [ ] Error tracking enabled (e.g., Sentry)
+- [ ] Uptime monitoring enabled
+- [ ] Alert thresholds configured
+- [ ] On-call rotation scheduled
+
+---
+
+## 📋 Sign-Off
+
+| Role | Name | Status | Date |
+|------|------|--------|------|
+| Tech Lead | | ⏳ Pending | |
+| Security Lead | | ⏳ Pending | |
+| Product Lead | | ⏳ Pending | |
+| CEO/Founder | | ⏳ Pending | |
+
+---
+
+## 📝 Notes
+
+- This checklist should be reviewed and updated before each major release
+- All items must be checked before mainnet launch
+- Any exceptions must be documented and approved by leadership
+
+---
+
+**Created:** 2026-03-29
+**Last Updated:** 2026-03-29
+**Version:** 1.0