ERP Integration Architecture: SAP, Oracle, NetSuite, and Beyond
A comprehensive technical guide to connecting major ERP systems to blockchain-based treasury infrastructure with minimal disruption.
Adapter Pattern Architecture
The Treasury SDK uses an adapter pattern to provide a unified interface across ERP systems. Each adapter translates ERP-specific concepts (vendor masters, payment runs, GL postings) into treasury primitives (wallets, transfers, settlements). This abstraction allows treasury operations to work identically regardless of underlying ERP.
// Unified Treasury Interface
import { createAdapter } from '@grainandvault/treasury-sdk'
// Same interface for any ERP
const treasury = createAdapter({
type: 'sap' | 'oracle' | 'netsuite' | 'dynamics365',
credentials: { /* ERP-specific auth */ },
grainVault: { apiKey: process.env.GRAIN_API_KEY }
})
// Universal operations work on any ERP
await treasury.syncVendors() // Pull vendor master
await treasury.createPayment({...}) // Execute payment
await treasury.reconcile() // Match settlementsSAP Integration
SAP integration supports both S/4HANA (OData APIs) and ECC (RFC/BAPI). The adapter handles SAP-specific complexity including company codes, house banks, payment methods, and FI document creation. Payments execute through GRAIN while automatically posting appropriate GL entries in SAP.
- Vendor sync from LFA1/LFB1 tables
- Payment method configuration (new payment type for GRAIN)
- Automatic FI document creation on settlement
- Bank statement import for reconciliation
Oracle Integration
Oracle Fusion integration uses REST APIs with OAuth 2.0 authentication. The adapter respects Oracle's approval workflows—payments stage in Oracle and execute through GRAIN only when fully approved. Settlement notifications trigger accounting entries automatically.
Implementation Timeline
- Week 1: Environment setup, authentication configuration
- Week 2: Vendor sync, test transactions in sandbox
- Week 3: Payment workflow mapping, approval integration
- Week 4: Production deployment, monitoring, training
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