644 B
644 B
Oracles (Non-Negotiable for PMM Pegged Systems)
Minimum viable
- USD tokens:
P_oracle = 1.00(with external sanity check) - EUR tokens: EURUSD feed
- Optional: stablecoin health feeds (depeg detection)
Requirements
- Median of multiple sources (or fallback hierarchy)
- Heartbeat + staleness checks
- If oracle stale → widen bands or pause active trades
Policy
- Do not trade against a stale oracle; treat staleness as a risk trigger.
- Document fallback order (e.g. primary chainlink, secondary Pyth, tertiary internal).
Config and peg bands: ../config/peg-bands.json.