Feat/1045 loyalty rewards contract - #1124
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…ewals (Calebux#1045) Add a new `loyalty_rewards` Soroban contract that accrues loyalty points for subscribers who renew on time, with streak tracking and a redeem path against fees. ## Contract mechanics - **accrue(owner, sub_id, renewal_ledger)** — called by the authorised renewal caller after a successful on-time renewal. Awards `BASE_POINTS` (100) + `streak × STREAK_BONUS` (50), with the streak multiplier capped at `MAX_STREAK_BONUS_LEVEL` (20) to bound the max per-renewal award at 1 100 points. - **miss(owner, sub_id)** — called when a renewal is missed or late. Resets the consecutive streak to 0; does not deduct points. - **redeem(owner, amount)** — burns `amount` points from the owner's balance and returns the equivalent fee credit (1 point = 1 credit unit). Enforces a minimum redemption of 100 points. ## Storage layout | Key | Storage tier | Description | |-----|-------------|-------------| | `ConfigKey::Admin` | Persistent | Contract administrator | | `ConfigKey::RenewalCaller` | Persistent | Authorised renewal contract address | | `ConfigKey::Paused` | Persistent | Global pause flag | | `UserKey::Account(addr)` | Instance | Per-user `LoyaltyAccount` struct | ## Errors | Code | Name | Trigger | |------|------|---------| | #1 | NotInitialized | Contract not yet initialised | | #2 | AlreadyInitialized | `init` called twice | | Calebux#3 | Unauthorized | Auth check failed | | Calebux#4 | Paused | Contract is paused | | Calebux#5 | RedeemTooSmall | `amount < MIN_REDEEM` | | Calebux#6 | InsufficientPoints | Balance < requested amount | | Calebux#7 | Overflow | Arithmetic overflow guard | ## Test coverage (35 tests) - init: success + double-init guard - accrue: base points, streak increment, bonus arithmetic, balance accumulation, lifetime points, last-renewal ledger recording - accrue: streak bonus hard-capped at MAX_STREAK_BONUS_LEVEL - miss: streak reset, no point deduction, zero-streak noop, restart after miss - redeem: burns points + returns credit, full-balance drain, total_redeems counter, lifetime_points invariant - redeem error paths: below minimum, insufficient balance, empty account - pause/unpause: accrue / miss / redeem all reject when paused - set_renewal_caller: admin can rotate the caller address - multiple independent users: balances and streaks are isolated - account / streak / balance queries - uninitialized contract guard Closes Calebux#1045
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@wendypetersondev Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits. You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀 |
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Closes #1045
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