Migrate exchange app to centralized aitbc package utilities

- Migrate 2 files from logging to aitbc.get_logger
- health_monitor.py, real_exchange_integration.py
- Remove logging.basicConfig() from both files
- Migrate 3 files with hardcoded paths to use DATA_DIR constant
- simple_exchange_api.py, scripts/seed_market.py, database.py

apps/exchange/database.py

@@ -7,10 +7,11 @@ import os
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker, Session
 from sqlalchemy.pool import StaticPool
+from aitbc.constants import DATA_DIR
 from models import Base
 
 # Database configuration
-DATABASE_URL = os.getenv("EXCHANGE_DATABASE_URL", "sqlite:////var/lib/aitbc/data/exchange/exchange.db")
+DATABASE_URL = os.getenv("EXCHANGE_DATABASE_URL", f"sqlite:///{DATA_DIR}/data/exchange/exchange.db")
 
 # Create engine
 if DATABASE_URL.startswith("sqlite"):

apps/exchange/health_monitor.py

@@ -10,13 +10,11 @@ from datetime import datetime, timedelta
 from typing import Dict, List, Optional, Any
 from dataclasses import dataclass
 from enum import Enum
-import logging
 
+from aitbc import get_logger
 from real_exchange_integration import exchange_manager, ExchangeStatus, ExchangeHealth
 
-# Setup logging
-logging.basicConfig(level=logging.INFO)
-logger = logging.getLogger(__name__)
+logger = get_logger(__name__)
 
 class FailoverStrategy(str, Enum):
     """Failover strategies"""

apps/exchange/real_exchange_integration.py

@@ -12,11 +12,10 @@ from datetime import datetime, timedelta
 from typing import Dict, List, Optional, Any, Tuple
 from dataclasses import dataclass
 from enum import Enum
-import logging
 
-# Setup logging
-logging.basicConfig(level=logging.INFO)
-logger = logging.getLogger(__name__)
+from aitbc import get_logger
+
+logger = get_logger(__name__)
 
 class ExchangeStatus(str, Enum):
     """Exchange connection status"""

apps/exchange/scripts/seed_market.py

@@ -3,12 +3,13 @@
 
 import sqlite3
 from datetime import datetime
+from aitbc.constants import DATA_DIR
 
 def seed_initial_price():
     """Create initial trades to establish market price"""
     
     import os
-    db_path = os.getenv("EXCHANGE_DATABASE_URL", "sqlite:////var/lib/aitbc/data/exchange/exchange.db").replace("sqlite:///", "")
+    db_path = os.getenv("EXCHANGE_DATABASE_URL", f"sqlite:///{DATA_DIR}/data/exchange/exchange.db").replace("sqlite://///", "")
     conn = sqlite3.connect(db_path)
     cursor = conn.cursor()
     

apps/exchange/simple_exchange_api.py

@@ -9,12 +9,13 @@ from datetime import datetime
 from http.server import HTTPServer, BaseHTTPRequestHandler
 import urllib.parse
 import random
+from aitbc.constants import DATA_DIR
 
 # Database setup
 def get_db_path():
     """Get database path and ensure directory exists"""
     import os
-    db_path = os.getenv("EXCHANGE_DATABASE_URL", "sqlite:////var/lib/aitbc/data/exchange/exchange.db").replace("sqlite:///", "")
+    db_path = os.getenv("EXCHANGE_DATABASE_URL", f"sqlite:///{DATA_DIR}/data/exchange/exchange.db").replace("sqlite://///", "")
     
     # Create directory if it doesn't exist
     db_dir = os.path.dirname(db_path)