Organization Blockchain Notarization

[Josephrp]

Type: Task
Priority: P0 (Critical)
Labels: task, backend, blockchain, compliance
Parent Issue: #XXX (OpenFin & CDM Compliance Enhancements)
Estimated Effort: 1 week

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Description

Update NotarizationService to use organization blockchains for all critical operations, with fallback to main chain.

Tasks

• Update NotarizationService (app/services/notarization_service.py)

  • Update create_notarization() to accept organization_id
  • Implement _notarize_on_org_blockchain() method
  • Get organization blockchain config from OrganizationContextService
  • Use organization blockchain if available, otherwise main chain
  • Store organization_id in NotarizationRecord

• Update NotarizationRecord Model (app/db/models.py)

  • Add organization_id field (Integer, FK, nullable)
  • Add blockchain_type field (String): "organization" or "main"
  • Add blockchain_network field (String)
  • Create Alembic migration

• Update all notarization calls

  • DealSignatureService - use organization blockchain
  • DocumentService - use organization blockchain
  • SecuritizationService - use organization blockchain

Dependencies

• OrganizationContextService (✅ Already implemented)
• BlockchainService (✅ Already implemented)
• Organization blockchain deployments (see #XXX)

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Created: 2026-01-26
Status: Open