Global AML & Sanctions Engine (GASE)

Overview

GASE is the global AML and sanctions engine providing sovereign sanctions list synchronization, automated risk tiering of transactions, PEP graph linking, and Suspicious Activity Score (SAS) calculation.

Core Functions

Sovereign Sanctions List Synchronization: Unified sanctions list from OFAC, EU, UN, etc.
Automated Risk Tiering: Assign risk tiers (TIER_1 to TIER_4) to entities
PEP Graph Linking: Graph structure for Politically Exposed Persons and relationships
Suspicious Activity Score (SAS): Multi-factor risk scoring for transactions

Sanctions Matching Logic

if fuzzy_match(entity.name, sanctions_list) > 0.93:
    block_transaction()

API Endpoints

Synchronize Sanctions

POST /api/v1/gase/sanctions/sync

Search Sanctions

POST /api/v1/gase/sanctions/search

Add PEP

POST /api/v1/gase/pep/add

Find PEP Connections

GET /api/v1/gase/pep/:entityId/connections?maxDepth=2

Calculate SAS

POST /api/v1/gase/sas/calculate
GET /api/v1/gase/sas/:transactionId

Risk Tiering

GET /api/v1/gase/risk-tier/:entityId
POST /api/v1/gase/risk-tier/:entityId/assign

Usage Example

import { gaseService } from '@/core/compliance/gase';

// Synchronize sanctions lists
await gaseService.syncSanctionsLists();

// Search sanctions
const matches = await gaseService.searchSanctions('entity-name', 0.93);

// Calculate SAS
const sas = await gaseService.calculateSAS(transactionId, entityId);

// Assign risk tier
const riskTier = await gaseService.assignRiskTier(entityId);

Database Models

GlobalSanctionsList: Unified sanctions list
PEPGraphNode: PEP graph nodes
PEPGraphEdge: PEP relationships
SuspiciousActivityScore: SAS calculations
RiskTier: Risk tier assignments

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