SoldTicket reducer

event_asset.js

const soldTicket = async ({params, stateStore}) => {
 const { eventId, typeId } = params;
 const registeredEventsBuffer = await stateStore.chain.get(
   CHAIN_STATE_EVENTS
 );

 if (!registeredEventsBuffer) {
   throw new Error('No events found');
 }

 const registeredEvents = codec.decode(
   eventSchema,
   registeredEventsBuffer
 );

 const eventIndex = registeredEvents.events.findIndex(e =>e.id.toString('hex') === eventId);
 if (eventIndex === -1) {
   throw new Error('Event not found');
 }
 const typeIndex = registeredEvents.events[eventIndex].ticketData.findIndex(t => t.id === typeId);
 if (typeIndex === -1) {
   throw new Error('Ticket type not found');
 }

 registeredEvents.events[eventIndex].ticketData[typeIndex].sold++;
 await setAllEvents(stateStore, registeredEvents.events);
}