getOrderBook

declare function getOrderBook(symbol: string, depth?: number): Promise<IOrderBookData>;
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Fetches order book for a trading pair from the registered exchange.

Uses current execution context to determine timing. The underlying exchange implementation receives time range parameters but may use them (backtest) or ignore them (live trading).

Parameters

Parameter	Description
symbol	Trading pair symbol (e.g., "BTCUSDT")
depth	Maximum depth levels (default: CC_ORDER_BOOK_MAX_DEPTH_LEVELS)