Method Serialize

src/psbt.h:293–561

    template <typename Stream>
    inline void Serialize(Stream& s) const {
        // Write the utxo
        if (non_witness_utxo) {
            SerializeToVector(s, CompactSizeWriter(PSBT_IN_NON_WITNESS_UTXO));
            OverrideStream<Stream> os(&s, s.GetType(), s.GetVersion() | SERIALIZE_TRANSACTION_NO_WITNESS);
            SerializeToVector(os, non_witness_utxo);
        }
        if (!witness_utxo.IsNull()) {
            SerializeToVector(s, CompactSizeWriter(PSBT_IN_WITNESS_UTXO));
            SerializeToVector(s, witness_utxo);
        }

        if (final_script_sig.empty() && final_script_witness.IsNull()) {
            // Write any partial signatures
            for (auto sig_pair : partial_sigs) {
                SerializeToVector(s, CompactSizeWriter(PSBT_IN_PARTIAL_SIG), Span{sig_pair.second.first});
                s << sig_pair.second.second;
            }

            // Write the sighash type
            if (sighash_type != std::nullopt) {
                SerializeToVector(s, CompactSizeWriter(PSBT_IN_SIGHASH));
                SerializeToVector(s, *sighash_type);
            }

            // Write the redeem script
            if (!redeem_script.empty()) {
                SerializeToVector(s, CompactSizeWriter(PSBT_IN_REDEEMSCRIPT));
                s << redeem_script;
            }

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

            // Write any hd keypaths
            SerializeHDKeypaths(s, hd_keypaths, CompactSizeWriter(PSBT_IN_BIP32_DERIVATION));

            // Write any ripemd160 preimage
            for (const auto& [hash, preimage] : ripemd160_preimages) {
                SerializeToVector(s, CompactSizeWriter(PSBT_IN_RIPEMD160), Span{hash});
                s << preimage;
            }

            // Write any sha256 preimage
            for (const auto& [hash, preimage] : sha256_preimages) {
                SerializeToVector(s, CompactSizeWriter(PSBT_IN_SHA256), Span{hash});
                s << preimage;
            }

            // Write any hash160 preimage
            for (const auto& [hash, preimage] : hash160_preimages) {
                SerializeToVector(s, CompactSizeWriter(PSBT_IN_HASH160), Span{hash});
                s << preimage;
            }