feat: Implement Cliff-Based Access for Early Supporters - #160
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elizabetheonoja-art merged 2 commits intoApr 23, 2026
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Closes #Cliff_Based_Access_Early_Supporters
## What
Adds milestone-based content gating: a creator sets a lifetime
contribution threshold (cliff), and fans who have streamed or tipped
at least that amount receive an 'Authorized' status for premium content.
## New public functions
- set_cliff_threshold(creator, threshold)
Creator configures the token milestone in whole units. Requires auth.
- check_cliff_access(fan, creator) -> bool
Returns true when the fan's lifetime contributions >= cliff threshold.
Returns false if no threshold is set (feature opt-in by creator).
- get_total_contributed(fan, creator) -> i128
Read-only view of a fan's lifetime token contributions to a creator.
## New storage key
- DataKey::UserContributed(fan, creator) — persistent i128 counter
(DataKey::CliffThreshold was already reserved; now wired up)
## New event
- CliffUnlocked { fan, creator, total_contributed, cliff_threshold }
Emitted exactly once when a fan's cumulative contributions first
meet or exceed the creator's configured threshold.
## Contribution tracking hooks
Contributions are credited in every path where tokens genuinely flow
from a fan to a creator:
- distribute_and_collect: streaming subscription payouts
- tip: one-off tips
- collect_grant: DAO treasury grant payouts (DAO as fan)
Early-cancel penalties are intentionally excluded — they are
enforcement, not voluntary support.
## Tests (14 new — test_cliff_access.rs)
- set_cliff_threshold stores value
- set_cliff_threshold zero panics
- check_cliff_access returns false with no threshold
- get_total_contributed zero initially
- tip credits contribution counter
- cliff not unlocked below threshold
- cliff unlocked at exact threshold
- cliff unlocked above threshold
- CliffUnlocked event emitted on crossing (transfer + TipReceived + CliffUnlocked = 3)
- CliffUnlocked event NOT emitted again after crossing
- subscription stream credits contribution
- subscription stream unlocks cliff
- contributions are per-creator (fan A's total for X ≠ Y)
- cumulative tips accumulate across transactions
All 54 tests pass. cargo fmt + clippy -D warnings clean.
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elizabetheonoja-art
merged commit Apr 23, 2026
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feat: Implement Cliff-Based Access for Early Supporters
Closes: #52
Labels: backend smart-contract gamification
Branch: feature/cliff-based-access-early-supporters
Summary
Moves the protocol beyond simple per-second access into milestone-based rewards. Creators can now set a lifetime
contribution threshold (cliff) — fans who have streamed or tipped at least that amount receive an "Authorized"
status, unlocking premium content (e.g., a "Behind the Scenes" video after $100 total contributions). Mirrors top-
tier Patreon reward mechanics on-chain.
New Contract Functions
New Storage Key
creator. (DataKey::CliffThreshold was already reserved in the enum; now fully wired up.)
New Event
contributions first meet or exceed the creator's threshold.
Contribution Tracking
Contributions are credited in every path where tokens genuinely flow from a fan to a creator:
Early-cancel penalties are intentionally excluded — they are protocol enforcement, not voluntary support.
Tests (14 new — test_cliff_access.rs)
54/54 tests pass. cargo fmt + cargo clippy -D warnings clean.