dbis_core/docs/whitepapers/gru-settlement-architecture.md

GRU Settlement Architecture

Overview

This document details the GRU settlement architecture, including the Classical → Quantum → Ω-Layer flow as established in the GRU Institutional Whitepaper.

Settlement Flow

The GRU settlement follows a multi-stage pipeline:

GRU → FX/SSU → GAS Atomic Network → Ω-Layer Merge → DBIS Prime Ledger

Settlement Stages

Classical Stage

Purpose: Initial settlement state in classical financial systems

Components:

• GRU amount and currency
• Source and destination bank identification
• Initial settlement state

State: Classical settlement state recorded

Quantum Stage (GAS)

Purpose: Atomic settlement through GAS (Global Atomic Settlements) network

Process:

1. Initiate GAS atomic settlement
2. Execute atomic transaction
3. Receive atomic confirmation
4. Record quantum settlement state

Integration: Uses existing AtomicSettlementService for GAS operations

Output: GAS settlement ID and atomic confirmation

Ω-Layer Finality

Purpose: Final settlement through Ω-Layer Settlement Fabric

Process:

1. Perform Ω-Layer merge operation
   • Merge classical state
   • Merge quantum state
   • Generate merge operation ID
2. Verify causality stability
   • Ensure no causality violations
   • Verify temporal consistency
3. Verify multi-reality reconciliation
   • Verify consistency across realities
   • Ensure state synchronization
4. Generate finality proof
   • Create finality proof hash
   • Record finality state

Output: Ω-Layer finality ID, merge operation ID, and finality proof

Settlement Pipeline Service

The settlement pipeline is implemented through the GruSettlementPipelineService, which:

• Manages pipeline lifecycle
• Coordinates stage progression
• Integrates with GAS network
• Integrates with Ω-Layer Settlement Fabric
• Tracks settlement state across stages

Finality Requirements

As per the GRU Institutional Whitepaper, finality requires:

1. Atomic Settlement: All-or-nothing settlement guarantee
2. Multi-Reality Reconciliation: Consistency across all reality layers
3. Causality Stabilization: No temporal violations

Integration Points

GAS Network Integration

• Uses AtomicSettlementService for atomic transactions
• Records GAS settlement confirmations
• Tracks atomic network state

Ω-Layer Integration

• Performs merge operations
• Verifies causality stability
• Verifies multi-reality reconciliation
• Generates finality proofs

API Endpoints

• POST /api/gru/settlement/pipeline - Initiate settlement pipeline
• GET /api/gru/settlement/pipeline/:pipelineId - Get pipeline status
• POST /api/gru/settlement/gas - Execute GAS atomic settlement
• POST /api/gru/settlement/omega - Execute Ω-Layer finality

Related Documentation

• GRU Institutional Whitepaper
• GRU Issuance Governance
• Volume XII: Omega-Layer Settlement Fabric