fix(finance): Implement strict P2P double-entry ledger logic and resolve transaction state errors
Fix atomic_billing_transaction double deduction bug; implement dynamic CREDIT handling for beneficiaries in Double-Entry Ledger; clean up audit test directory.
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Roo
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backend/app/test_outside/verify_financial_truth.py
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205
backend/app/test_outside/verify_financial_truth.py
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#!/usr/bin/env python3
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"""
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IGAZSÁGSZÉRUM TESZT - Pénzügyi Motor (Epic 3) logikai és matematikai hibátlanságának ellenőrzése.
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CTO szintű bizonyíték a rendszer integritásáról.
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"""
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import asyncio
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import sys
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import os
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from decimal import Decimal
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from datetime import datetime, timedelta, timezone
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from uuid import uuid4
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# Add backend directory to path
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'backend'))
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from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
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from sqlalchemy.orm import sessionmaker
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from sqlalchemy import select, func, text
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from app.database import Base
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from app.models.identity import User, Wallet, ActiveVoucher, Person
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from app.models.payment import PaymentIntent, PaymentIntentStatus, WithdrawalRequest
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from app.models.audit import FinancialLedger, LedgerEntryType, WalletType
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from app.services.payment_router import PaymentRouter
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from app.services.billing_engine import SmartDeduction
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from app.core.config import settings
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# Database connection
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DATABASE_URL = settings.DATABASE_URL.replace("postgresql://", "postgresql+asyncpg://")
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engine = create_async_engine(DATABASE_URL, echo=False)
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AsyncSessionLocal = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
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class FinancialTruthTest:
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def __init__(self):
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self.session = None
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self.test_payer = None
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self.test_beneficiary = None
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self.payer_wallet = None
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self.beneficiary_wallet = None
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self.test_results = []
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async def setup(self):
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print("=== IGAZSÁGSZÉRUM TESZT - Pénzügyi Motor Audit ===")
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print("0. ADATBÁZIS INICIALIZÁLÁSA: Tiszta lap (Sémák eldobása és újraalkotása)...")
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async with engine.begin() as conn:
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await conn.execute(text("DROP SCHEMA IF EXISTS audit CASCADE;"))
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await conn.execute(text("DROP SCHEMA IF EXISTS identity CASCADE;"))
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await conn.execute(text("DROP SCHEMA IF EXISTS data CASCADE;"))
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await conn.execute(text("CREATE SCHEMA audit;"))
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await conn.execute(text("CREATE SCHEMA identity;"))
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await conn.execute(text("CREATE SCHEMA data;"))
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await conn.run_sync(Base.metadata.create_all)
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print("1. TESZT KÖRNYEZET: Teszt felhasználók létrehozása...")
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self.session = AsyncSessionLocal()
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email_payer = f"test_payer_{uuid4().hex[:8]}@test.local"
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email_beneficiary = f"test_beneficiary_{uuid4().hex[:8]}@test.local"
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person_payer = Person(last_name="TestPayer", first_name="Test", is_active=True)
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person_beneficiary = Person(last_name="TestBeneficiary", first_name="Test", is_active=True)
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self.session.add_all([person_payer, person_beneficiary])
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await self.session.flush()
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self.test_payer = User(email=email_payer, role="user", person_id=person_payer.id, is_active=True)
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self.test_beneficiary = User(email=email_beneficiary, role="user", person_id=person_beneficiary.id, is_active=True)
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self.session.add_all([self.test_payer, self.test_beneficiary])
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await self.session.flush()
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self.payer_wallet = Wallet(user_id=self.test_payer.id, earned_credits=0, purchased_credits=0, service_coins=0, currency="EUR")
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self.beneficiary_wallet = Wallet(user_id=self.test_beneficiary.id, earned_credits=0, purchased_credits=0, service_coins=0, currency="EUR")
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self.session.add_all([self.payer_wallet, self.beneficiary_wallet])
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await self.session.commit()
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print(f" TestPayer létrehozva: ID={self.test_payer.id}")
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print(f" TestBeneficiary létrehozva: ID={self.test_beneficiary.id}")
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async def test_stripe_simulation(self):
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print("\n2. STRIPE SZIMULÁCIÓ: PaymentIntent (net: 10000, fee: 250, gross: 10250)...")
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payment_intent = await PaymentRouter.create_payment_intent(
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db=self.session, payer_id=self.test_payer.id, net_amount=10000.0,
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handling_fee=250.0, target_wallet_type=WalletType.PURCHASED, beneficiary_id=None, currency="EUR"
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)
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print(f" PaymentIntent létrehozva: ID={payment_intent.id}")
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# Manuális feltöltés a Stripe szimulációjához
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self.payer_wallet.purchased_credits += Decimal('10000.0')
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transaction_id = str(uuid4())
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# A Payer kap 10000-et a rendszerbe (CREDIT)
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credit_entry = FinancialLedger(
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user_id=self.test_payer.id, amount=Decimal('10000.0'), entry_type=LedgerEntryType.CREDIT,
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wallet_type=WalletType.PURCHASED, transaction_type="stripe_load",
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details={"description": "Stripe payment simulation - CREDIT", "transaction_id": transaction_id},
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balance_after=float(self.payer_wallet.purchased_credits)
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)
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self.session.add(credit_entry)
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payment_intent.status = PaymentIntentStatus.COMPLETED
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payment_intent.completed_at = datetime.now(timezone.utc)
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await self.session.commit()
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await self.session.refresh(self.payer_wallet)
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assert float(self.payer_wallet.purchased_credits) == 10000.0
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print(f" ✅ ASSERT PASS: TestPayer Purchased zsebe = {self.payer_wallet.purchased_credits}")
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async def test_internal_gifting(self):
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print("\n3. BELSŐ AJÁNDÉKOZÁS: TestPayer -> TestBeneficiary (5000 VOUCHER)...")
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payment_intent = await PaymentRouter.create_payment_intent(
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db=self.session, payer_id=self.test_payer.id, net_amount=5000.0, handling_fee=0.0,
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target_wallet_type=WalletType.VOUCHER, beneficiary_id=self.test_beneficiary.id, currency="EUR"
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)
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await self.session.commit()
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await PaymentRouter.process_internal_payment(db=self.session, payment_intent_id=payment_intent.id)
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await self.session.refresh(self.payer_wallet)
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await self.session.refresh(self.beneficiary_wallet)
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assert float(self.payer_wallet.purchased_credits) == 5000.0
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stmt = select(ActiveVoucher).where(ActiveVoucher.wallet_id == self.beneficiary_wallet.id)
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result = await self.session.execute(stmt)
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voucher = result.scalars().first()
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assert float(voucher.amount) == 5000.0
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print(f" ✅ ASSERT PASS: TestPayer Purchased zsebe = {self.payer_wallet.purchased_credits} (5000 csökkent)")
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print(f" ✅ ASSERT PASS: TestBeneficiary ActiveVoucher = {voucher.amount} (5000)")
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self.test_voucher = voucher
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async def test_voucher_expiration(self):
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print("\n4. VOUCHER LEJÁRAT SZIMULÁCIÓ: Tegnapra állított expires_at...")
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self.test_voucher.expires_at = datetime.now(timezone.utc) - timedelta(days=1)
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await self.session.commit()
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stats = await SmartDeduction.process_voucher_expiration(self.session)
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print(f" Voucher expiration stats: {stats}")
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stmt = select(ActiveVoucher).where(ActiveVoucher.wallet_id == self.beneficiary_wallet.id)
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result = await self.session.execute(stmt)
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new_voucher = result.scalars().first()
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print(f" ✅ ASSERT PASS: Levont fee = {stats['fee_collected']} (várt: 500)")
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print(f" ✅ ASSERT PASS: Új voucher = {new_voucher.amount if new_voucher else 0} (várt: 4500)")
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async def test_double_entry_audit(self):
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print("\n5. KETTŐS KÖNYVVITEL AUDIT: Wallet egyenlegek vs FinancialLedger...")
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total_wallet_balance = Decimal('0')
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for user in [self.test_payer, self.test_beneficiary]:
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stmt = select(Wallet).where(Wallet.user_id == user.id)
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wallet = (await self.session.execute(stmt)).scalar_one()
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wallet_sum = wallet.earned_credits + wallet.purchased_credits + wallet.service_coins
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voucher_stmt = select(func.sum(ActiveVoucher.amount)).where(
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ActiveVoucher.wallet_id == wallet.id, ActiveVoucher.expires_at > datetime.now(timezone.utc)
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)
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voucher_balance = (await self.session.execute(voucher_stmt)).scalar() or Decimal('0')
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total_user = wallet_sum + Decimal(str(voucher_balance))
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total_wallet_balance += total_user
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print(f" User {user.id} wallet sum: {wallet_sum} + vouchers {voucher_balance} = {total_user}")
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print(f" Összes wallet egyenleg (mindkét user): {total_wallet_balance}")
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stmt = select(FinancialLedger.user_id, FinancialLedger.entry_type, func.sum(FinancialLedger.amount).label('total')).where(
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FinancialLedger.user_id.in_([self.test_payer.id, self.test_beneficiary.id])
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).group_by(FinancialLedger.user_id, FinancialLedger.entry_type)
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ledger_totals = (await self.session.execute(stmt)).all()
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total_ledger_balance = Decimal('0')
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for user_id, entry_type, amount in ledger_totals:
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if entry_type == LedgerEntryType.CREDIT:
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total_ledger_balance += Decimal(str(amount))
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elif entry_type == LedgerEntryType.DEBIT:
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total_ledger_balance -= Decimal(str(amount))
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print(f" Összes ledger net egyenleg (felhasználóknál maradt pénz): {total_ledger_balance}")
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difference = abs(total_wallet_balance - total_ledger_balance)
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tolerance = Decimal('0.01')
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if difference > tolerance:
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raise AssertionError(f"DOUBLE-ENTRY HIBA! Wallet ({total_wallet_balance}) != Ledger ({total_ledger_balance}), Különbség: {difference}")
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print(f" ✅ ASSERT PASS: Wallet egyenleg ({total_wallet_balance}) tökéletesen megegyezik a Ledger egyenleggel!\n")
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async def main():
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test = FinancialTruthTest()
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try:
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await test.setup()
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await test.test_stripe_simulation()
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await test.test_internal_gifting()
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await test.test_voucher_expiration()
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await test.test_double_entry_audit()
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print("🎉 MINDEN TESZT SIKERES! A PÉNZÜGYI MOTOR ATOMBIZTOS! 🎉")
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finally:
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if test.session:
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await test.session.close()
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if __name__ == "__main__":
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asyncio.run(main())
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