Vesting-Vault · JerryIdoko · Feb 20, 2026 · Feb 20, 2026 · Feb 20, 2026 · Feb 20, 2026
diff --git a/PR_ADMIN_AUDIT_TRAIL.md b/PR_ADMIN_AUDIT_TRAIL.md
@@ -0,0 +1,68 @@
+# Pull Request: Admin Audit Trail - Issue 19
+
+## Summary
+✅ **Issue 19: [Logs] Admin Audit Trail** - COMPLETED
+
+Implemented a comprehensive admin audit trail system for compliance auditing that logs every admin action (Revoke, Create, Transfer) to a dedicated log file.
+
+## Acceptance Criteria Met
+
+✅ **Create audit.log** - Implemented in `src/services/auditLogger.js`
+- Log file created at `backend/logs/audit.log`
+- Automatic directory creation if it doesn't exist
+
+✅ **Format: [TIMESTAMP] [ADMIN_ADDR] [ACTION] [TARGET_VAULT]** - Exactly implemented
+- Example: `[2024-02-20T12:00:00.000Z] [0x1234...] [CREATE] [0x9876...]`
+
+## Changes Made
+
+### New Files Created
+- **`src/services/auditLogger.js`** - Audit logging utility with exact format requirements
+- **`src/services/adminService.js`** - Admin service with REVOKE, CREATE, TRANSFER actions
+- **`backend/AUDIT_IMPLEMENTATION.md`** - Complete implementation documentation
+- **`backend/test-audit.js`** - Test script for validation
+
+### Modified Files
+- **`src/index.js`** - Added admin API routes
+
+## API Endpoints Added
+
+- `POST /api/admin/revoke` - Revoke vault access
+- `POST /api/admin/create` - Create new vault  
+- `POST /api/admin/transfer` - Transfer vault ownership
+- `GET /api/admin/audit-logs` - Retrieve audit logs
+
+## Audit Log Format
+```
+[TIMESTAMP] [ADMIN_ADDR] [ACTION] [TARGET_VAULT]
+[2024-02-20T12:00:00.000Z] [0x1234567890123456789012345678901234567890] [CREATE] [0x9876543210987654321098765432109876543210]
+[2024-02-20T12:01:00.000Z] [0x1234567890123456789012345678901234567890] [REVOKE] [0x9876543210987654321098765432109876543210]
+[2024-02-20T12:02:00.000Z] [0x1234567890123456789012345678901234567890] [TRANSFER] [0x9876543210987654321098765432109876543210]
+```
+
+## Compliance Features
+- ✅ Immutable audit trail (append-only logs)
+- ✅ Timestamped entries in ISO format
+- ✅ Admin address tracking
+- ✅ Action type tracking (CREATE, REVOKE, TRANSFER)
+- ✅ Target vault identification
+- ✅ Error handling and logging
+- ✅ Log retrieval functionality
+
+## Testing
+- Comprehensive test script included (`test-audit.js`)
+- Validates all admin actions and audit logging
+- Confirms log format compliance
+
+## How to Test
+1. Run the test script: `node test-audit.js`
+2. Start the server: `npm start`
+3. Test API endpoints with sample requests
+4. Check audit log file: `backend/logs/audit.log`
+
+## Labels
+- compliance
+- logging
+- enhancement
+
+Fixes #19
diff --git a/PR_ADMIN_UPDATE.md b/PR_ADMIN_UPDATE.md
@@ -0,0 +1,161 @@
+# 🔐 Feature: Admin Key Update with Two-Step Security Process
+
+## 📋 Summary
+
+Implements secure admin key rotation functionality for DAO multisig management. This feature provides a two-step process (propose → accept) to prevent accidental lockout while maintaining full audit trails and backward compatibility.
+
+## 🎯 Acceptance Criteria Met
+
+- ✅ **transfer_ownership(new_admin)** - Immediate transfer for backward compatibility
+- ✅ **Two-step process**: propose_new_admin → accept_ownership to prevent accidental lockout
+- ✅ **24-hour expiration** on pending proposals
+- ✅ **Full audit logging** for all admin actions
+- ✅ **Contract-specific and global** admin management
+
+## 🔧 What's Included
+
+### Core Admin Service (`src/services/adminService.js`)
+
+#### 🛡️ Security Features
+- **Two-Step Process**: `propose_new_admin` → `accept_ownership` prevents lockout
+- **Time-Limited Proposals**: 24-hour expiration on pending transfers
+- **Address Validation**: Comprehensive Ethereum address validation
+- **Audit Trail**: Complete logging of all admin actions
+
+#### 🔄 Admin Functions
+- **`proposeNewAdmin(currentAdmin, newAdmin, contract?)`**: Create pending transfer proposal
+- **`acceptOwnership(newAdmin, transferId)`**: Complete the transfer process
+- **`transferOwnership(currentAdmin, newAdmin, contract?)`**: Immediate transfer (backward compatibility)
+- **`getPendingTransfers(contract?)`**: View pending admin transfers
+
+### API Endpoints
+
+| Endpoint | Method | Description |
+|----------|--------|-------------|
+| `/api/admin/propose-new-admin` | POST | Propose new admin (creates pending transfer) |
+| `/api/admin/accept-ownership` | POST | Accept ownership and complete transfer |
+| `/api/admin/transfer-ownership` | POST | Immediate transfer (backward compatibility) |
+| `/api/admin/pending-transfers` | GET | View pending admin transfers |
+
+### Security Model
+
+#### Two-Step Transfer Process
+```javascript
+// Step 1: Current admin proposes new admin
+const proposal = await adminService.proposeNewAdmin(
+  '0x1234...',  // current admin
+  '0x5678...',  // proposed admin
+  '0xabcd...'   // optional contract address
+);
+
+// Step 2: Proposed admin accepts ownership
+const transfer = await adminService.acceptOwnership(
+  '0x5678...',  // new admin (must match proposal)
+  proposal.transferId
+);
+```
+
+#### Immediate Transfer (Backward Compatibility)
+```javascript
+// Direct transfer for emergency situations
+const transfer = await adminService.transferOwnership(
+  '0x1234...',  // current admin
+  '0x5678...',  // new admin
+  '0xabcd...'   // optional contract address
+);
+```
+
+## 🧪 Testing
+
+### Comprehensive Test Suite (`test/adminKeyManagement.test.js`)
+- ✅ **Global Admin Transfers**: Test system-wide admin changes
+- ✅ **Contract-Specific Transfers**: Test per-contract admin management
+- ✅ **Two-Step Flow**: Complete proposal → acceptance workflow
+- ✅ **Error Handling**: Invalid addresses, expired proposals, wrong transfer IDs
+- ✅ **Backward Compatibility**: Immediate transfer functionality
+- ✅ **Audit Verification**: Confirm all actions are logged
+
+### Test Coverage
+```bash
+# Run admin key management tests
+node test/adminKeyManagement.test.js
+```
+
+## 📚 API Usage Examples
+
+### Propose New Admin
+```bash
+curl -X POST http://localhost:3000/api/admin/propose-new-admin \
+  -H "Content-Type: application/json" \
+  -d '{
+    "currentAdminAddress": "0x1234567890123456789012345678901234567890",
+    "newAdminAddress": "0x9876543210987654321098765432109876543210",
+    "contractAddress": "0xabcdef1234567890abcdef1234567890abcdef1234"
+  }'
+```
+
+### Accept Ownership
+```bash
+curl -X POST http://localhost:3000/api/admin/accept-ownership \
+  -H "Content-Type: application/json" \
+  -d '{
+    "newAdminAddress": "0x9876543210987654321098765432109876543210",
+    "transferId": "global_1642694400000"
+  }'
+```
+
+### Immediate Transfer (Backward Compatibility)
+```bash
+curl -X POST http://localhost:3000/api/admin/transfer-ownership \
+  -H "Content-Type: application/json" \
+  -d '{
+    "currentAdminAddress": "0x1234567890123456789012345678901234567890",
+    "newAdminAddress": "0x9876543210987654321098765432109876543210"
+  }'
+```
+
+## 🔒 Security & Compliance
+
+### Anti-Lockout Protection
+- **Two-Step Verification**: Prevents accidental admin lockout
+- **Time-Bound Proposals**: 24-hour expiration prevents stale transfers
+- **Address Validation**: Comprehensive input validation
+- **Audit Logging**: Complete traceability of all admin actions
+
+### Error Handling
+- **Invalid Addresses**: Rejects malformed Ethereum addresses
+- **Duplicate Admins**: Prevents proposing same admin as current
+- **Expired Proposals**: Automatically cleans up expired transfers
+- **Transfer ID Validation**: Ensures only valid transfers can be accepted
+
+## 📋 Breaking Changes
+
+None. This is a purely additive feature that maintains full backward compatibility.
+
+## 🔧 Dependencies
+
+No new dependencies required. Uses existing Express.js framework and audit logging system.
+
+## 🎯 Impact
+
+This implementation directly addresses **Issue 16: [Admin] Update Admin Key** and provides:
+
+- ✅ **Security**: Two-step process prevents accidental lockout
+- ✅ **Flexibility**: Supports both global and contract-specific admin management
+- ✅ **Auditability**: Complete audit trail for compliance
+- ✅ **Backward Compatibility**: Immediate transfer option available
+- ✅ **Reliability**: Comprehensive error handling and validation
+
+## 📞 Support
+
+For questions or issues:
+1. Review the test suite for usage examples
+2. Check audit logs via `/api/admin/audit-logs` endpoint
+3. Monitor pending transfers via `/api/admin/pending-transfers` endpoint
+4. Verify all admin addresses are valid Ethereum addresses
+
+---
+
+**Resolves**: #16 - [Admin] Update Admin Key
+**Priority**: High
+**Labels**: governance, security, enhancement
diff --git a/PR_DESCRIPTION.md b/PR_DESCRIPTION.md
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+## Summary
+Implements vesting "cliffs" on top-ups functionality, allowing vaults to add funds with independent cliff periods. When funds are added to an existing vault (top-up), a new cliff can be defined specifically for those new tokens using a SubSchedule system.
+
+## Changes Made
+- **Database Models**: 
+  - `SubSchedule` model for managing multiple vesting schedules per vault
+  - Each top-up creates its own sub-schedule with independent cliff configuration
+  - Proper relationships and foreign key constraints
+- **Database Migration**: SQL migration for vaults and sub_schedules tables with indexes
+- **Backend Services**: 
+  - `VestingService` with methods: `createVault()`, `topUpVault()`, `calculateReleasableAmount()`, `releaseTokens()`
+  - `AdminService` integration for vault management operations
+  - `IndexingService` updates for blockchain event processing
+- **API Endpoints**:
+  - `POST /api/vault/top-up` - Top-up vault with cliff configuration
+  - `GET /api/vault/:vaultAddress/details` - Get vault with sub-schedules
+  - `GET /api/vault/:vaultAddress/releasable` - Calculate releasable amount
+  - `POST /api/vault/release` - Release tokens from vault
+  - `POST /api/indexing/top-up` - Process top-up blockchain events
+  - `POST /api/indexing/release` - Process release blockchain events
+- **Testing**: Comprehensive test suite covering all vesting cliff functionality
+- **Documentation**: Complete implementation documentation with API examples
+
+## Key Features
+- **Multiple Sub-Schedules**: Each top-up creates its own vesting schedule
+- **Independent Cliffs**: Each sub-schedule can have its own cliff period
+- **Pro-rata Releases**: Token releases are distributed proportionally across sub-schedules
+- **Audit Trail**: All operations are logged for compliance
+- **Blockchain Integration**: Indexing service handles on-chain events
+
+## Acceptance Criteria
+- ✅ **SubSchedule List**: Implemented SubSchedule model within Vault system
+- ✅ **Complex Logic**: Handles multiple vesting schedules with independent cliffs
+- ✅ **Stretch Goal**: Successfully implemented as complex feature with full functionality
+
+## Testing
+- Added comprehensive test suite in `backend/test/vesting-topup.test.js`
+- Covers sub-schedule creation, cliff calculations, integration scenarios
+- All tests passing
+
+## Documentation
+- Created detailed documentation in `VESTING_CLIFFS_IMPLEMENTATION.md`
+- Includes API examples, usage patterns, and database schema
+- Complete implementation reference
+
+Closes #19