Method get_cache_index

python/ccxt/base/exchange.py:3063–3065

(self, orderbook, deltas)

            bookSide.storeArray(bidAsk)

    def get_cache_index(self, orderbook, deltas):
        # return the first index of the cache that can be applied to the orderbook or -1 if not possible.
        return -1

    def arrays_concat(self, arraysOfArrays: List[Any]):
        result = []