Card payment states

  • Order
  • Chain 03

Difficulty 2 of 5

Order this card payment history. All four operations succeed. The authorization stays valid. There is no cancellation and no partial capture.

Play level

Put these steps in order

  • Refund the settled purchase and record the successful refund result
  • Receive and record the settlement result for the captured payment
  • Capture the full amount while that authorization remains valid
  • Approve the authorization and record the temporary hold
An order and its event commit togetherTap to turn the outbox on or off

Goals and limits

p99 latency
under 200 ms
Monthly cost
under 10 USD/mo
Traffic
100 req/s

Concepts

How players did

Player results load from the server.

All levels