Method SetPos

src/commons/serialize.h:1464–1475

rewind to a given reading position

    // rewind to a given reading position
    bool SetPos(uint64_t nPos) {
        nReadPos = nPos;
        if (nReadPos + nRewind < nSrcPos) {
            nReadPos = nSrcPos - nRewind;
            return false;
        } else if (nReadPos > nSrcPos) {
            nReadPos = nSrcPos;
            return false;
        } else {
            return true;
        }
    }

    bool Seek(uint64_t nPos) {
        long nLongPos = nPos;