Method Serialize

src/psbt.h:985–1064

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

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

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

        if (m_psbt_version >= 2) {
            // Write amount and spk
            SerializeToVector(s, CompactSizeWriter(PSBT_OUT_AMOUNT));
            SerializeToVector(s, amount);

            SerializeToVector(s, CompactSizeWriter(PSBT_OUT_SCRIPT));
            s << script;
        }

        // Write proprietary things
        for (const auto& entry : m_proprietary) {
            s << entry.key;
            s << entry.value;
        }

        // Write taproot internal key
        if (!m_tap_internal_key.IsNull()) {
            SerializeToVector(s, PSBT_OUT_TAP_INTERNAL_KEY);
            s << ToByteVector(m_tap_internal_key);
        }

        // Write taproot tree
        if (!m_tap_tree.empty()) {
            SerializeToVector(s, PSBT_OUT_TAP_TREE);
            std::vector<unsigned char> value;
            VectorWriter s_value{value, 0};
            for (const auto& [depth, leaf_ver, script] : m_tap_tree) {
                s_value << depth;
                s_value << leaf_ver;
                s_value << script;
            }
            s << value;
        }

        // Write taproot bip32 keypaths
        for (const auto& [xonly, leaf] : m_tap_bip32_paths) {
            const auto& [leaf_hashes, origin] = leaf;
            SerializeToVector(s, PSBT_OUT_TAP_BIP32_DERIVATION, xonly);
            std::vector<unsigned char> value;
            VectorWriter s_value{value, 0};
            s_value << leaf_hashes;
            SerializeKeyOrigin(s_value, origin);