Method GetKeyCount

src/script/descriptor.cpp:249–249

Get the count of keys known by this PubkeyProvider. Usually one, but may be more for key aggregation schemes */

    /** Get the count of keys known by this PubkeyProvider. Usually one, but may be more for key aggregation schemes */
    virtual size_t GetKeyCount() const { return 1; }

    /** Whether this PubkeyProvider can always provide a public key without cache or private key arguments */
    virtual bool CanSelfExpand() const = 0;