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feat: hysteresis for oracle-health state transitions #793

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feat: hysteresis for oracle-health state transitions #793

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12 changes: 12 additions & 0 deletions contracts/predictify-hybrid/src/config.rs
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Expand Up @@ -360,6 +360,18 @@ pub const ORACLE_TIMEOUT_SECONDS: u64 = 30;

// ===== MONITORING CONSTANTS =====

/// Oracle health degradation threshold — consecutive bad samples needed to flip from Working to Degraded.
///
/// Higher values reduce flapping but delay detection of real issues.
/// Safe range: 2–10. Defaults trade off promptness vs stability.
pub const ORACLE_HEALTH_DEGRADED_THRESHOLD: u32 = 3;

/// Oracle health recovery threshold — consecutive good samples needed to flip from Degraded back to Working.
///
/// Higher values prevent premature recovery after a transient blip.
/// Safe range: 2–10. Should be >= the degraded threshold for stability.
pub const ORACLE_HEALTH_RECOVERY_THRESHOLD: u32 = 3;

/// Maximum number of alerts retained in the monitoring queue (FIFO, oldest dropped first).
///
/// When the queue is full and a new alert arrives, the oldest entry is evicted and
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