- need a new table for undispensed cash-out txs
- or add dispensed flag to txs

- need to update cash-out tx status based on authorization and confirmation

- add dispensed and authorized booleans to txs
- for fetching phones: fetch all non-dispensed rows for phone
  - get max by satoshis of all authorized (why not consolidate all authorized? next version)
  - if no authorized, check if any non-dispensed and non-authorized

- index by phone + dispensed?