2026-02-26 04:40:35 -08:00
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# Oracles (Non-Negotiable for PMM Pegged Systems)
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## Minimum viable
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- **USD tokens**: `P_oracle = 1.00` (with external sanity check)
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- **EUR tokens**: **EURUSD** feed
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- Optional: stablecoin health feeds (depeg detection)
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## Requirements
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- **Median of multiple sources** (or fallback hierarchy)
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- **Heartbeat + staleness checks**
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- **If oracle stale** → widen bands or pause active trades
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## Policy
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- Do not trade against a stale oracle; treat staleness as a risk trigger.
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- Document fallback order (e.g. primary chainlink, secondary Pyth, tertiary internal).
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2026-04-13 03:12:45 -07:00
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Config and peg bands: [../config/peg-bands.json](../config/peg-bands.json) (includes **`gruPolicyIntegration`** linking proxmox `docs/04-configuration/GRU_REFERENCE_PRIMACY_AND_MESH_EXECUTION_MODEL.md` — oracle targets remain subordinate to institution-grade references).
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Parent verifier: proxmox `scripts/verify/check-gru-reference-primacy-integration.sh`.
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