Transactions
The Transactions module will handle all financial transactions within the UBU Digital Finance Solution.
Overview
This module will provide comprehensive functionality for processing, tracking, and managing financial transactions, including:
- Transaction creation and processing
- Transaction history and reporting
- Transaction validation and verification
- Support for various transaction types
- Integration with other system modules
Planned Features
Transaction Processing
The system will support various types of financial transactions:
- Deposits: Adding funds to an account
- Withdrawals: Removing funds from an account
- Transfers: Moving funds between accounts
- Payments: Processing payments for bills, loans, etc.
- Fees: Applying service fees and charges
Each transaction will:
- Be assigned a unique transaction ID
- Include source and destination accounts
- Record the transaction amount and currency
- Capture the transaction type and status
- Store a reference and description
- Track creation and completion timestamps
Transaction Validation
All transactions will undergo validation to ensure:
- Source account has sufficient funds
- Both accounts are active and valid
- Transaction limits are not exceeded
- Fraud detection checks are passed
- Regulatory requirements are met
Transaction History
The system will maintain a comprehensive transaction history:
- Complete record of all transactions
- Searchable and filterable transaction logs
- Detailed transaction information
- Support for transaction reconciliation
- Audit trail for compliance purposes
Reporting
The Transaction module will provide robust reporting capabilities:
- Transaction volume reports
- Transaction type distribution
- Account activity summaries
- Trend analysis
- Regulatory reporting
Integration Points
The Transaction module will integrate with other system components:
- Accounts Module: To verify account status and update balances
- Authentication Module: To verify user permissions for transactions
- Organizational Units: To implement branch-level transaction processing
- Payments Module: To process external payments
- Loans Module: To handle loan disbursements and repayments
Planned API Endpoints
| Endpoint | Method | Description |
|---|---|---|
/transaction/ |
POST | Create a new transaction |
/transaction/ |
GET | Get all transactions (with filtering) |
/transaction/{transaction_id} |
GET | Get a specific transaction |
/transaction/account/{account_id} |
GET | Get transactions for an account |
/transaction/user/{user_id} |
GET | Get transactions for a user |
/transaction/report |
GET | Generate transaction reports |
Planned Data Model
The Transaction module will use the following database tables:
Transactions
| Column | Type | Description |
|---|---|---|
| transaction_id | UUID | Primary key |
| source_account_id | UUID | Source account (foreign key) |
| destination_account_id | UUID | Destination account (foreign key) |
| amount | DECIMAL | Transaction amount |
| currency | VARCHAR | Transaction currency |
| transaction_type | VARCHAR | Type of transaction |
| status | VARCHAR | Transaction status |
| reference | VARCHAR | Transaction reference |
| description | VARCHAR | Transaction description |
| created_by | UUID | User who created the transaction |
| created_at | TIMESTAMP | When the transaction was created |
| updated_at | TIMESTAMP | When the transaction was last updated |
| completed_at | TIMESTAMP | When the transaction was completed |
Transaction_Logs
| Column | Type | Description |
|---|---|---|
| log_id | UUID | Primary key |
| transaction_id | UUID | Foreign key to Transactions table |
| status | VARCHAR | Status at the time of logging |
| message | VARCHAR | Log message |
| created_at | TIMESTAMP | When the log was created |
Implementation Plan
Phase 1: Core Transaction Processing
- Implement transaction data models
- Create basic transaction creation API
- Implement transaction validation logic
- Develop account balance updates
Phase 2: Transaction History and Reporting
- Implement transaction history queries
- Develop transaction logging
- Create basic reporting functionality
- Implement filtering and search capabilities
Phase 3: Advanced Features
- Implement scheduled transactions
- Develop batch transaction processing
- Create advanced reporting and analytics
- Implement transaction reconciliation
Security Considerations
The Transaction module will implement several security measures:
- Transaction Signing: Cryptographic signing of transactions
- Dual Authorization: Requiring multiple approvals for large transactions
- Rate Limiting: Preventing excessive transaction creation
- Anomaly Detection: Identifying unusual transaction patterns
- Comprehensive Logging: Detailed audit trail of all transaction activities
Compliance Requirements
The Transaction module will be designed to meet regulatory requirements:
- Anti-Money Laundering (AML): Transaction monitoring and reporting
- Know Your Customer (KYC): Customer verification for transactions
- Transaction Limits: Enforcing regulatory transaction limits
- Audit Trail: Maintaining comprehensive transaction records
- Reporting: Supporting regulatory reporting requirements