Class PSBTOutput

src/script/sign.h:429–539

A structure for PSBTs which contains per output information */

/** A structure for PSBTs which contains per output information */
struct PSBTOutput
{
    CScript redeem_script;
    CScript witness_script;
    std::map<CPubKey, std::vector<uint32_t>> hd_keypaths;
    std::map<std::vector<unsigned char>, std::vector<unsigned char>> unknown;

    bool IsNull() const;
    void FillSignatureData(SignatureData& sigdata) const;
    void FromSignatureData(const SignatureData& sigdata);
    void Merge(const PSBTOutput& output);
    bool IsSane() const;
    PSBTOutput() {}

    template <typename Stream>
    inline void Serialize(Stream& s) const {
        // Write the redeem script
        if (!redeem_script.empty()) {
            SerializeToVector(s, PSBT_OUT_REDEEMSCRIPT);
            s << redeem_script;
        }

        // Write the witness script
        if (!witness_script.empty()) {
            SerializeToVector(s, PSBT_OUT_WITNESSSCRIPT);
            s << witness_script;
        }

        // Write any hd keypaths
        SerializeHDKeypaths(s, hd_keypaths, PSBT_OUT_BIP32_DERIVATION);

        // Write unknown things
        for (auto& entry : unknown) {
            s << entry.first;
            s << entry.second;
        }

        s << PSBT_SEPARATOR;
    }


    template <typename Stream>
    inline void Unserialize(Stream& s) {
        // Read loop
        bool found_sep = false;
        while(!s.empty()) {
            // Read
            std::vector<unsigned char> key;
            s >> key;

            // the key is empty if that was actually a separator byte
            // This is a special case for key lengths 0 as those are not allowed (except for separator)
            if (key.empty()) {
                found_sep = true;
                break;
            }

            // First byte of key is the type