Class TxInUndoSerializer

src/undo.h:21–37

Undo information for a CTxIn * * Contains the prevout's CTxOut being spent, and its metadata as well * (coinbase or not, height). The serialization contains a dummy value of * zero. This is compatible with older versions which expect to see * the transaction version there. */

 *  the transaction version there.
 */
class TxInUndoSerializer
{
    const Coin* txout;

public:
    template<typename Stream>
    void Serialize(Stream &s) const {
        ::Serialize(s, VARINT(txout->nHeight * 2 + (txout->fCoinBase ? 1u : 0u)));
        if (txout->nHeight > 0) {
            // Required to maintain compatibility with older undo format.
            ::Serialize(s, (unsigned char)0);
        }
        ::Serialize(s, CTxOutCompressor(REF(txout->out)));
    }

    explicit TxInUndoSerializer(const Coin* coin) : txout(coin) {}
};

class TxInUndoDeserializer
{