Update Triggers (Deviation/Time)

IFÁ Labs employs a hybrid update strategy combining deviation-based and time-based triggers. This ensures prices stay fresh without unnecessary onchain writes, balancing security, accuracy, and gas efficiency — particularly important for stablecoins with low natural volatility.

Deviation-Based Triggers

An update is forced when the aggregated price deviates beyond a predefined threshold from the last onchain value.

• Threshold: Typically very tight for stablecoins (e.g., 0.1–0.5% from peg), as large swings are rare and often signal issues.

• Benefit: Immediate response to meaningful changes, protecting protocols from off-peg events.

Time-Based Triggers

A maximum interval ensures updates even during periods of perfect stability.

• Interval: Dynamic per asset — longer for highly stable pegs (e.g., hours), shorter for emerging market stablecoins prone to minor drifts.

• Benefit: Prevents indefinite staleness during low-activity periods.

How They Work Together

The oracle pushes a new price when either condition is met:

• Price deviation ≥ threshold OR

• Time since last update ≥ max interval

This hybrid model is optimized for stablecoins: deviation catches rare but critical events quickly, while time-based ensures consistent freshness.

Next: Understand Decimal Precision & Formatting for correct price interpretation in your contracts.