{
    "simulation": {
        "market_simulator": {
            "initial_positions": {
            "exchange": "COINBASE",
                "assets": {
                    "BTC": 0.1,
                    "ETH": 5.0,
                    "USD": 10000.0
                }
            },
            "market_data": {
                "sources": [
                    {
                        "loader_class": "cvttpy_trading.trading.mkt_data.time_series.loaders.sqlite_loader.SqliteMdLoader",
                        "file_name": "/path/to/market_data.db",
                        "table_name": "md_trades",
                        "columns": [
                            "tstamp",
                            "tstamp_ns as tm",
                            "tstamp_ns as local_time_ns",
                            "exchange_id",
                            "instrument_id",
                            "px as price",
                            "qty as quantity",
                            "trade_id",
                            "condition as aggressor_side",
                            "condition as taker_side"
                        ],
                        "time_column": "tstamp",
                        "exchange_id": "COINBASE",
                        "instruments": [
                            "PAIR-BTC-USD"
                        ],
                        "md_type": "TRADES"
                    },
                    {
                        "loader_class": "cvttpy_trading.trading.mkt_data.time_series.loaders.sqlite_loader.SqliteMdLoader",
                        "file_name": "/path/to/market_data.db",
                        "table_name": "md_booktops",
                        "columns": [
                            "tstamp",
                            "tstamp_ns as tm",
                            "tstamp_ns as local_time_ns",
                            "exchange_id",
                            "instrument_id",
                            "bid_price",
                            "bid_quantity",
                            "ask_price",
                            "ask_quantity"
                        ],
                        "time_column": "tstamp",
                        "exchange_id": "COINBASE",
                        "instruments": [
                            "PAIR-BTC-USD"
                        ],
                        "md_type": "BOOK_TOP"
                    }
                ],
                "api": {
                    "web_socket": {
                        "url": "ws://localhost:28080/ws"
                    }
                }
            },
            "order_entry": {
                "execution": {
                    "execute_on": [
                        "BOOK_TOP",
                        "TRADES"
                    ],
                    "top_only": true,
                    "pricing_method": "BY_MKT_TRD_PRICE_BY_TRADE",
                    "min_order_age_sec": 0.1,
                    "fee_schedule": {
                        "taker_fee_rate": 0.006,
                        "maker_fee_rate": 0.004
                    }
                },
                "api": {
                    "web_socket": {
                    "url": "ws://localhost:28081/ws"
                    },
                    "REST": {
                    "port": 28082,
                    "base_url": "http://localhost:28082",
                    "endpoints": {
                        "new_order": ["POST", "/order"],
                        "cancel_order": ["POST", "/cancel"],
                        "cancel_all": ["POST", "/cancel_all"],
                        "open_orders": ["GET", "/open_orders"],
                        "order_status": ["GET", "/order_status"]
                    }
                    }
                }
            },
            "accounting": {
                "api": {
                    "REST": {
                        "port": 28083,
                        "base_url": "http://localhost:28083",
                        "endpoints": {
                            "positions": ["GET", "/positions"],
                            "trades": ["GET", "/trades"]
                        }
                    }
                }
            }
        }
    }
}