Purchase is made
by Jacob Marten
1. Confirmation for sale is made
1.1. Receipt prints
1.2. Request is sent to server
1.2.1. Server receives request packet and sends a packet back stating it is ready
1.2.1.1. Ready packet is received, items on purchase are sent to server
1.2.1.1.1. Server receives packet containing purchase details
1.2.1.1.2. Error occurs, reason is noted internally. Receipt prints normally
1.2.1.2. Error occurs, reason is noted internally. Receipt prints normally
1.2.2. Error occurs, reason is noted internally. Receipt prints normally