Implement comprehensive access control mechanisms for all smart contract functions that modify supply chain state. In a decentralized supply chain system, unauthorized modifications to shipment data, inventory levels, or transaction records could lead to severe consequences including financial loss, regulatory violations, and loss of stakeholder trust.
Current smart contracts likely expose critical functions like updateShipmentStatus(), transferOwnership(), or modifyBatchDetails() without proper authorization checks. This creates a significant security vulnerability where any address with contract access could manipulate supply chain records.
The solution requires implementing a robust role-based access control (RBAC) system with clearly defined roles such as:
- Admin: Full system control and configuration
- Supplier: Can create and update their own shipments
- Carrier: Can update transportation status and location data
- Inspector: Can perform quality checks and certifications
- Customer: Read-only access to their transaction data
Technical implementation should include:
- Modifier functions for role checking
- Multi-signature requirements for critical operations
- Event emission for all access control decisions
- Integration with decentralized identity systems
This issue is critical because supply chain systems handle high-value assets and must maintain data integrity for regulatory compliance (e.g., FDA track-and-trace requirements). Without proper access controls, the entire system's trustworthiness is compromised.
Acceptance Criteria:
- All state-modifying functions have proper authorization checks
- Role-based permissions are implemented
- Unauthorized access attempts are logged and rejected
- Unit tests cover authorization scenarios
Implement comprehensive access control mechanisms for all smart contract functions that modify supply chain state. In a decentralized supply chain system, unauthorized modifications to shipment data, inventory levels, or transaction records could lead to severe consequences including financial loss, regulatory violations, and loss of stakeholder trust.
Current smart contracts likely expose critical functions like
updateShipmentStatus(),transferOwnership(), ormodifyBatchDetails()without proper authorization checks. This creates a significant security vulnerability where any address with contract access could manipulate supply chain records.The solution requires implementing a robust role-based access control (RBAC) system with clearly defined roles such as:
Technical implementation should include:
This issue is critical because supply chain systems handle high-value assets and must maintain data integrity for regulatory compliance (e.g., FDA track-and-trace requirements). Without proper access controls, the entire system's trustworthiness is compromised.
Acceptance Criteria: