Method presentPSBT

src/qt/sendcoinsdialog.cpp:413–458

}

void SendCoinsDialog::presentPSBT(PartiallySignedTransaction& psbtx)
{
    // Serialize the PSBT
    CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
    ssTx << psbtx;
    GUIUtil::setClipboard(EncodeBase64(ssTx.str()).c_str());
    QMessageBox msgBox;
    msgBox.setText("Unsigned Transaction");
    msgBox.setInformativeText("The PSBT has been copied to the clipboard. You can also save it.");
    msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard);
    msgBox.setDefaultButton(QMessageBox::Discard);
    switch (msgBox.exec()) {
    case QMessageBox::Save: {
        int bitcoin_unit = model->getOptionsModel()->getDisplayUnit();
        QString selectedFilter;
        QString fileNameSuggestion = "";
        bool first = true;
        for (const SendAssetsRecipient &rcp : m_current_transaction->getRecipients()) {
            if (!first) {
                fileNameSuggestion.append(" - ");
            }
            QString labelOrAddress = rcp.label.isEmpty() ? rcp.address : rcp.label;
            QString amount = GUIUtil::formatAssetAmount(rcp.asset, rcp.asset_amount, bitcoin_unit, BitcoinUnits::SeparatorStyle::STANDARD, true);
            fileNameSuggestion.append(labelOrAddress + "-" + amount);
            first = false;
        }
        fileNameSuggestion.append(".psbt");
        QString filename = GUIUtil::getSaveFileName(this,
            tr("Save Transaction Data"), fileNameSuggestion,
            //: Expanded name of the binary PSBT file format. See: BIP 174.
            tr("Partially Signed Transaction (Binary)") + QLatin1String(" (*.psbt)"), &selectedFilter);
        if (filename.isEmpty()) {
            return;
        }
        std::ofstream out{filename.toLocal8Bit().data(), std::ofstream::out | std::ofstream::binary};
        out << ssTx.str();
        out.close();
        Q_EMIT message(tr("PSBT saved"), "PSBT saved to disk", CClientUIInterface::MSG_INFORMATION);
        break;
    }
    case QMessageBox::Discard:
        break;
    default:
        assert(false);
    } // msgBox.exec()
}

bool SendCoinsDialog::signWithExternalSigner(PartiallySignedTransaction& psbtx, CMutableTransaction& mtx, bool& complete) {
    TransactionError err;