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Implement subscription invoice type with recurring billing cycles #259
Description
Overview
Add a subscription invoice variant where a creator defines a billing interval and the contract automatically opens a new invoice each cycle. Payers opt-in once and are billed per cycle until they cancel.
Acceptance Criteria
- New
InvoiceType::Subscription { interval_ledgers: u32, max_cycles: Option<u32> }variant intypes.rs create_subscription(params)entry point creates the first invoice and registers the subscriptionadvance_cycle(subscription_id)opens the next invoice when the previous cycle closescancel_subscription(subscription_id, caller)stops future cycles; caller must be the payer or creator- Contract enforces that only opted-in payers can pay a subscription invoice
- Events emitted:
subscription_created,cycle_advanced,subscription_cancelled
Activity
Osifowora commentedon Jun 27, 2026
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Emmy6654 commentedon Jun 27, 2026
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drips-wave commentedon Jun 27, 2026
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grantfox-oss commentedon Jun 27, 2026
🦊 GrantFox — @Emmy6654 has been assigned to this issue as part of the Official Campaign campaign!
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Closes #259)Good luck! Track your progress on GrantFox.
grantfox-oss commentedon Jun 27, 2026
🎉 This issue has been marked as completed on GrantFox as part of the Official Campaign campaign!
@Emmy6654's PR #300 was approved and merged by @Kingsman-99.
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drips-wave commentedon Jun 27, 2026
This issue has been completed by @Emmy6654 as part of the Stellar Wave Program's 6th Wave 🥳
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