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Oracle SLA Enforcement

Pronunciation
[awr-uh-kl S-L-A en-force-ment]
Analogy
Like a taxi company refunding you automatically if the driver arrives late.
Definition
On‑chain mechanisms that automatically apply penalties or restrict data access when oracle service-level agreements—such as uptime and latency guarantees—are violated.
Key Points Intro
SLA enforcement contracts ensure oracles meet agreed performance or face on‑chain penalties.
Key Points

Uptime checks: Verifies regular attestations.

Latency thresholds: Monitors update delays.

Penalty execution: Triggers slashing or fee refunds.

Consumer protection: Enables fallback data or pausing.

Example
An SLA contract automatically refunds 50% of escrowed fees if the oracle misses two consecutive updates.
Technical Deep Dive
Contract tracks `lastUpdate` timestamp. On consumer `getData()`, if `block.timestamp – lastUpdate > maxLatency`, it unlocks `refund()` and penalizes oracle via `slash()`.
Security Warning
SLA logic must avoid false triggers; include grace periods.
Caveat
Strict SLAs may discourage node participation; calibrate for real-world conditions.
Related Terms
Oracle Escrow
Oracle Downtime
Oracle Fault Tolerance
Oracle Fee Model
Oracle Slashing

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