| 1 | """Build the deterministic demo used by the notebook and tests.""" |
| 2 | |
| 3 | from __future__ import annotations |
| 4 | |
| 5 | from datetime import datetime, timedelta |
| 6 | from decimal import Decimal |
| 7 | |
| 8 | from .application import CommerceApplication |
| 9 | from .merchant import SyntheticMerchant |
| 10 | from .models import CommercePolicy |
| 11 | from .payments import LocalPaymentProcessor |
| 12 | from .policy import PolicyEngine |
| 13 | |
| 14 | |
| 15 | def build_demo( |
| 16 | now: datetime, |
| 17 | ) -> tuple[CommerceApplication, SyntheticMerchant, LocalPaymentProcessor]: |
| 18 | payments = LocalPaymentProcessor() |
| 19 | merchant = SyntheticMerchant(payments, now=now) |
| 20 | policy = PolicyEngine( |
| 21 | CommercePolicy( |
| 22 | allowed_merchants=frozenset({"merchant.invalid"}), |
| 23 | allowed_purposes=frozenset({"supplier_due_diligence"}), |
| 24 | per_request_limit=Decimal("0.50"), |
| 25 | per_run_limit=Decimal("1.00"), |
| 26 | approval_threshold=Decimal("0.10"), |
| 27 | session_expires_at=now + timedelta(minutes=15), |
| 28 | ) |
| 29 | ) |
| 30 | application = CommerceApplication( |
| 31 | client=merchant.client(), |
| 32 | policy=policy, |
| 33 | payments=payments, |
| 34 | ) |
| 35 | return application, merchant, payments |