functions

• 📄 calculate_deal
• 📄 check_pair_available
• 📄 close_order
• 📄 create_order
• 📄 escalate_to_manager
• 📄 get_locations
• 📄 get_orders
• 📄 get_rates
• 📄 get_rates_by_city
• 📄 log_chat
• 📄 notify_admin
• 📄 partnership_proposal