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backend: Verify timestamped yield snapshot entries #1081

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Merged
ONEONUORA merged 1 commit into from
Sep 25, 2026
Merged

backend: Verify timestamped yield snapshot entries #1081

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4 changes: 4 additions & 0 deletions backend/tests/yield_api_tests.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -706,9 +706,11 @@ async fn test_yield_service_daily_snapshots() {
.expect("Failed to log test yield rate");

// 4. Run the daily snapshot service
let before_snapshot = chrono::Utc::now().naive_utc();
let snapshot_count = YieldService::create_daily_snapshots(&pool)
.await
.expect("Failed to run yield daily snapshot service");
let after_snapshot = chrono::Utc::now().naive_utc();

// At least our user should be snapshotted (maybe others too depending on database state)
assert!(snapshot_count >= 1);
Expand All @@ -723,6 +725,8 @@ async fn test_yield_service_daily_snapshots() {
assert_eq!(snapshot.user_id, user_id);
assert_eq!(snapshot.earning_balance, 100000000000);
assert_eq!(snapshot.apy, 800);
assert!(snapshot.created_at >= before_snapshot);
assert!(snapshot.created_at <= after_snapshot);

// Expected daily interest: (100,000,000,000 * 800 * 86,400) / (10,000 * 31,536,000) = 21,921,080
// Let's verify it matches the database calculation
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