Method SetNull

src/primitives/transaction.h:64–64

    SERIALIZE_METHODS(COutPoint, obj) { READWRITE(obj.hash, obj.n); }

    void SetNull() { hash.SetNull(); n = NULL_INDEX; }
    bool IsNull() const { return (hash.IsNull() && n == NULL_INDEX); }

    friend bool operator<(const COutPoint& a, const COutPoint& b)