Banking model
| transaction | |
|---|---|
| keeps balance | database |
| deposit money | |
| withdraw money |
| card-reader | |
|---|---|
| validation | cash-dispenser |
| performs transfer | account |
| keeps audit info | database |
| transaction | |
|---|---|
| keeps balance | database |
| deposit money | |
| withdraw money |
| card-reader | |
|---|---|
| validation | cash-dispenser |
| performs transfer | account |
| keeps audit info | database |