System Components
The UBU Digital Finance Solution is composed of several key components that work together to provide a comprehensive financial services platform.
Core Components
1. Identity & Access Management
This component handles all aspects of user identity, authentication, and authorization:
- User Authentication: Supports password-based authentication with optional two-factor authentication
- Session Management: Manages user sessions with JWT tokens and refresh token rotation
- Role-Based Access Control: Implements hierarchical roles with attribute-based extensions
- Audit Logging: Records all authentication and authorization events
2. Customer Management
Manages customer profiles and related processes:
- KYC/KYB Orchestration: Handles identity verification processes
- Customer 360 & Risk Scoring: Provides comprehensive customer profiles and risk assessment
- Consent & Privacy Framework: Manages customer consent for data usage
3. Organizational Units
Manages the organizational structure:
- Unit Hierarchy: Supports multi-level organizational hierarchies
- Unit Assignment: Associates users with specific organizational units
- Unit-Based Access Control: Restricts access based on organizational unit membership
4. Transactions (Planned)
Will handle all financial transactions:
- Transaction Processing: Processes financial transactions with ACID compliance
- Transaction History: Maintains a complete history of all transactions
- Reconciliation: Ensures transaction integrity across the system
5. Accounts (Planned)
Will manage financial accounts:
- Account Creation: Handles the creation and management of financial accounts
- Balance Management: Tracks account balances and history
- Account Types: Supports various account types with different characteristics
6. Loans (Planned)
Will handle loan processing:
- Loan Applications: Processes loan applications from customers
- Loan Approval Workflow: Manages the loan approval process
- Loan Servicing: Handles ongoing loan management and payments
7. Payments (Planned)
Will process payments:
- Payment Processing: Handles various payment methods
- Payment Gateway Integration: Connects to external payment processors
- Settlement: Manages the settlement process for payments
Technical Components
1. API Gateway
Serves as the entry point for all client requests:
- Request Routing: Routes requests to appropriate services
- API Documentation: Provides OpenAPI documentation for all endpoints
- Rate Limiting: Prevents abuse through request rate limiting
2. Database Layer
Manages data persistence:
- PostgreSQL Database: Primary data store for all persistent data
- SQLAlchemy ORM: Object-relational mapping for database access
- Migration Management: Handles database schema migrations via Alembic
3. Caching Layer
Improves performance through caching:
- Redis Cache: In-memory data store for frequently accessed data
- Session Storage: Stores user session information
- Rate Limiting: Supports API rate limiting implementation
4. Messaging System (Planned)
Will enable asynchronous communication between components:
- Event Publishing: Publishes events when significant actions occur
- Event Consumption: Consumes and processes events from other components
- Message Queuing: Queues messages for reliable processing
5. Security Infrastructure
Ensures system security:
- Encryption: Encrypts sensitive data in transit and at rest
- Authentication Mechanisms: Implements secure authentication protocols
- Authorization Framework: Enforces access control policies