93 lines
2.3 KiB
Markdown
93 lines
2.3 KiB
Markdown
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# Defender Sunset Notice
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**Date**: 2025-12-11
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**Status**: Defender Being Phased Out
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---
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## ⚠️ Important Update
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According to [OpenZeppelin's announcement](https://blog.openzeppelin.com/doubling-down-on-open-source-and-phasing-out-defender):
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- **New user sign-ups disabled**: June 30, 2025
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- **Final shutdown**: July 1, 2026
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- **Focus**: Open-source alternatives (Relayer, Monitor)
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---
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## ✅ What's Been Updated
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### Deployment Scripts
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- ✅ `DeployMainnetTether.s.sol` - Removed Defender, uses `TETHER_ADMIN`
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- ✅ `DeployTransactionMirror.s.sol` - Removed Defender, uses `MIRROR_ADMIN`
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- ✅ All Defender references removed
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### Documentation
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- ✅ `ADMIN_ADDRESS_OPTIONS.md` - Admin address alternatives
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- ✅ `DEFENDER_DEPRECATED.md` - Migration guide
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- ✅ All Defender-specific documentation updated
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---
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## 🔄 Migration to Alternatives
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### Recommended: Gnosis Safe (Multisig)
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**Why**:
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- ✅ Multi-signature security
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- ✅ Web interface
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- ✅ Multiple chain support
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- ✅ Battle-tested
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- ✅ No sunset date
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**Setup**:
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1. Create Safe wallet: https://safe.global/
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2. Add signers (3-5 recommended)
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3. Set threshold (e.g., 2-of-3)
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4. Use Safe address as admin
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### OpenZeppelin Open-Source Alternatives
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OpenZeppelin is providing open-source alternatives:
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- **Relayer**: Open-source transaction relayer
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- **Monitor**: Open-source monitoring solution
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- **Managed Service**: Hosted infrastructure option
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Visit: [OpenZeppelin Open Source Stack](https://blog.openzeppelin.com/doubling-down-on-open-source-and-phasing-out-defender)
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---
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## 📋 Current Configuration
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### Environment Variables
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Set in `.env`:
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```bash
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TETHER_ADMIN=<admin_address> # Gnosis Safe or EOA
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MIRROR_ADMIN=<admin_address> # Can be same or different
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```
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### Deployment
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Scripts now work with standard admin addresses:
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- No Defender dependencies
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- Simple admin pattern (Ownable-like)
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- Compatible with any address (multisig, EOA, or contract)
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---
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## 📚 References
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- [OpenZeppelin Defender Sunset Announcement](https://blog.openzeppelin.com/doubling-down-on-open-source-and-phasing-out-defender)
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- [Gnosis Safe Documentation](https://docs.safe.global/)
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- [OpenZeppelin Access Control](https://docs.openzeppelin.com/contracts/5.x/access-control)
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---
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**Last Updated**: 2025-12-11
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**Status**: Defender Removed - Alternatives Documented
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