[CT-08] Scaffold event_ticketing contract — define Event and Ticket types

[yusuftomilola]

Overview

Create the initial scaffolding for the event_ticketing Soroban contract inside contracts/sandbox/event_ticketing/. Follow the same structure as existing contracts.

Acceptance Criteria

• Cargo.toml created with correct Soroban SDK dependency
• src/types.rs defines Event (id, name, capacity, ticket_price, start_time, end_time, status), Ticket (id, event_id, owner, purchased_at, status), EventStatus, TicketStatus enums
• src/errors.rs defines: AdminNotSet, AlreadyInitialized, Unauthorized, EventNotFound, TicketNotFound, EventSoldOut, EventNotActive, InvalidTimeRange, InvalidPrice, TicketNotTransferable
• DataKey enum covers: Admin, PaymentToken, Event(String), EventList, Ticket(String), EventTickets(String), OwnerTickets(Address)
• initialize is stubbed
• Code compiles with cargo build

[Tinna23]

@Tinna23 has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

can i work on this?

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Congratulations, @Tinna23! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on April 29, 2026.

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[drips-wave]

This issue has been completed by @Tinna23 as part of the Stellar Wave Program's 4th Wave 🥳

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