#!/usr/bin/env python3 """ KYC/AML Provider Integration - Simplified for CLI Basic HTTP client for compliance verification """ import json import hashlib from datetime import datetime, timedelta from typing import Dict, List, Optional, Any from dataclasses import dataclass from enum import Enum import logging import httpx # Setup logging logging.basicConfig(level=logging.INFO) logger = logging.getLogger(__name__) class KYCProvider(str, Enum): """KYC service providers""" CHAINALYSIS = "chainalysis" SUMSUB = "sumsub" ONFIDO = "onfido" JUMIO = "jumio" VERIFF = "veriff" class KYCStatus(str, Enum): """KYC verification status""" PENDING = "pending" APPROVED = "approved" REJECTED = "rejected" FAILED = "failed" EXPIRED = "expired" class AMLRiskLevel(str, Enum): """AML risk levels""" LOW = "low" MEDIUM = "medium" HIGH = "high" CRITICAL = "critical" @dataclass class KYCRequest: """KYC verification request""" user_id: str provider: KYCProvider customer_data: Dict[str, Any] documents: List[Dict[str, Any]] = None verification_level: str = "standard" @dataclass class KYCResponse: """KYC verification response""" request_id: str user_id: str provider: KYCProvider status: KYCStatus risk_score: float verification_data: Dict[str, Any] created_at: datetime expires_at: Optional[datetime] = None rejection_reason: Optional[str] = None @dataclass class AMLCheck: """AML screening check""" check_id: str user_id: str provider: str risk_level: AMLRiskLevel risk_score: float sanctions_hits: List[Dict[str, Any]] pep_hits: List[Dict[str, Any]] adverse_media: List[Dict[str, Any]] checked_at: datetime class SimpleKYCProvider: """Simplified KYC provider with basic HTTP calls""" def __init__(self): self.api_keys: Dict[KYCProvider, str] = {} self.base_urls: Dict[KYCProvider, str] = { KYCProvider.CHAINALYSIS: "https://api.chainalysis.com", KYCProvider.SUMSUB: "https://api.sumsub.com", KYCProvider.ONFIDO: "https://api.onfido.com", KYCProvider.JUMIO: "https://api.jumio.com", KYCProvider.VERIFF: "https://api.veriff.com" } def set_api_key(self, provider: KYCProvider, api_key: str): """Set API key for provider""" self.api_keys[provider] = api_key logger.info(f"✅ API key set for {provider}") def submit_kyc_verification(self, request: KYCRequest) -> KYCResponse: """Submit KYC verification to provider""" try: if request.provider not in self.api_keys: raise ValueError(f"No API key configured for {request.provider}") # Simple HTTP call (no async) headers = { "Authorization": f"Bearer {self.api_keys[request.provider]}", "Content-Type": "application/json" } payload = { "userId": request.user_id, "customerData": request.customer_data, "verificationLevel": request.verification_level } # Mock API response (in production would be real HTTP call) response = self._mock_kyc_response(request) return response except Exception as e: logger.error(f"❌ KYC submission failed: {e}") raise def check_kyc_status(self, request_id: str, provider: KYCProvider) -> KYCResponse: """Check KYC verification status""" try: # Mock status check - in production would call provider API hash_val = int(hashlib.sha256(request_id.encode()).hexdigest()[:8], 16) if hash_val % 4 == 0: status = KYCStatus.APPROVED risk_score = 0.05 elif hash_val % 4 == 1: status = KYCStatus.PENDING risk_score = 0.15 elif hash_val % 4 == 2: status = KYCStatus.REJECTED risk_score = 0.85 rejection_reason = "Document verification failed" else: status = KYCStatus.FAILED risk_score = 0.95 rejection_reason = "Technical error during verification" return KYCResponse( request_id=request_id, user_id=request_id.split("_")[1], provider=provider, status=status, risk_score=risk_score, verification_data={"provider": provider.value, "checked": True}, created_at=datetime.now() - timedelta(hours=1), rejection_reason=rejection_reason if status in [KYCStatus.REJECTED, KYCStatus.FAILED] else None ) except Exception as e: logger.error(f"❌ KYC status check failed: {e}") raise def _mock_kyc_response(self, request: KYCRequest) -> KYCResponse: """Mock KYC response for testing""" return KYCResponse( request_id=f"{request.provider.value}_{request.user_id}_{int(datetime.now().timestamp())}", user_id=request.user_id, provider=request.provider, status=KYCStatus.PENDING, risk_score=0.15, verification_data={"provider": request.provider.value, "submitted": True}, created_at=datetime.now(), expires_at=datetime.now() + timedelta(days=30) ) class SimpleAMLProvider: """Simplified AML provider with basic HTTP calls""" def __init__(self): self.api_keys: Dict[str, str] = {} def set_api_key(self, provider: str, api_key: str): """Set API key for AML provider""" self.api_keys[provider] = api_key logger.info(f"✅ AML API key set for {provider}") def screen_user(self, user_id: str, user_data: Dict[str, Any]) -> AMLCheck: """Screen user for AML compliance""" try: # Mock AML screening - in production would call real provider hash_val = int(hashlib.sha256(f"{user_id}_{user_data.get('email', '')}".encode()).hexdigest()[:8], 16) if hash_val % 5 == 0: risk_level = AMLRiskLevel.CRITICAL risk_score = 0.95 sanctions_hits = [{"list": "OFAC", "name": "Test Sanction", "confidence": 0.9}] elif hash_val % 5 == 1: risk_level = AMLRiskLevel.HIGH risk_score = 0.75 sanctions_hits = [] elif hash_val % 5 == 2: risk_level = AMLRiskLevel.MEDIUM risk_score = 0.45 sanctions_hits = [] else: risk_level = AMLRiskLevel.LOW risk_score = 0.15 sanctions_hits = [] return AMLCheck( check_id=f"aml_{user_id}_{int(datetime.now().timestamp())}", user_id=user_id, provider="chainalysis_aml", risk_level=risk_level, risk_score=risk_score, sanctions_hits=sanctions_hits, pep_hits=[], # Politically Exposed Persons adverse_media=[], checked_at=datetime.now() ) except Exception as e: logger.error(f"❌ AML screening failed: {e}") raise # Global instances kyc_provider = SimpleKYCProvider() aml_provider = SimpleAMLProvider() # CLI Interface Functions def submit_kyc_verification(user_id: str, provider: str, customer_data: Dict[str, Any]) -> Dict[str, Any]: """Submit KYC verification""" kyc_provider.set_api_key(KYCProvider(provider), "demo_api_key") request = KYCRequest( user_id=user_id, provider=KYCProvider(provider), customer_data=customer_data ) response = kyc_provider.submit_kyc_verification(request) return { "request_id": response.request_id, "user_id": response.user_id, "provider": response.provider.value, "status": response.status.value, "risk_score": response.risk_score, "created_at": response.created_at.isoformat() } def check_kyc_status(request_id: str, provider: str) -> Dict[str, Any]: """Check KYC verification status""" response = kyc_provider.check_kyc_status(request_id, KYCProvider(provider)) return { "request_id": response.request_id, "user_id": response.user_id, "provider": response.provider.value, "status": response.status.value, "risk_score": response.risk_score, "rejection_reason": response.rejection_reason, "created_at": response.created_at.isoformat() } def perform_aml_screening(user_id: str, user_data: Dict[str, Any]) -> Dict[str, Any]: """Perform AML screening""" aml_provider.set_api_key("chainalysis_aml", "demo_api_key") check = aml_provider.screen_user(user_id, user_data) return { "check_id": check.check_id, "user_id": check.user_id, "provider": check.provider, "risk_level": check.risk_level.value, "risk_score": check.risk_score, "sanctions_hits": check.sanctions_hits, "checked_at": check.checked_at.isoformat() } # Test function def test_kyc_aml_integration(): """Test KYC/AML integration""" print("🧪 Testing KYC/AML Integration...") # Test KYC submission customer_data = { "first_name": "John", "last_name": "Doe", "email": "john.doe@example.com", "date_of_birth": "1990-01-01" } kyc_result = submit_kyc_verification("user123", "chainalysis", customer_data) print(f"✅ KYC Submitted: {kyc_result}") # Test KYC status check kyc_status = check_kyc_status(kyc_result["request_id"], "chainalysis") print(f"📋 KYC Status: {kyc_status}") # Test AML screening aml_result = perform_aml_screening("user123", customer_data) print(f"🔍 AML Screening: {aml_result}") print("🎉 KYC/AML integration test complete!") if __name__ == "__main__": test_kyc_aml_integration()