Method IsNull

src/primitives/transaction.h:317–325

    }

    bool IsNull() const
    {
        if (!g_con_elementsmode) {
            // Ignore the asset and the nonce in compatibility mode.
            return nValue.IsNull() && scriptPubKey.empty();
        }

        return nAsset.IsNull() && nValue.IsNull() && nNonce.IsNull() && scriptPubKey.empty();
    }

    bool IsFee() const {
        return g_con_elementsmode && scriptPubKey == CScript()