This program aims to demonstrate the basic features of an atm that can only dispense $20 bills and charge overdraft fees if you would over draw your account.
Simply run go build main.go to generate the script that can be used to run the program.
You can run the program and call the help command or refer to the section below. If you pass the secret argument to help
it will print out a list of known accounts help secret
| Command | Description |
|---|---|
| authorize <account_id> <pin> | Authorizes an account locally until they are logged out. Will be logged out if there is no activity for 2 minutes |
| withdraw <value> | Removes value from the authorized account. Must be a multiple of 20 |
| deposit <value> | Adds value to the authorized account. The deposited amount does not need to be a multiple of 20. |
| balance | Returns the account’s current balance. |
| history | Returns the account’s transaction history. |
| logout | Removes authorization from the current account |
| end | Ends the example ATM program, thanks for trying it out! |