From fc421d4c8c8cdd94a5377a8004209506a089357b Mon Sep 17 00:00:00 2001
From: Sjors Provoost <sjors@sprovoost.nl>
Date: Mon, 21 Feb 2022 12:46:30 +0100
Subject: move-only: helper function to present PSBT

This commit does not change behavior.

Review hint:
git show --color-moved --color-moved-ws=allow-indentation-change

Github-Pull: bitcoin-core/gui#555
Rebased-From: 026b5b4523317fdefc69cf5cec55f76f18ad0c0a
---
 src/qt/sendcoinsdialog.cpp | 89 ++++++++++++++++++++++++----------------------
 src/qt/sendcoinsdialog.h   |  2 ++
 2 files changed, 49 insertions(+), 42 deletions(-)

diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index 579ef0c3fd..b77fbb7b3b 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -401,6 +401,52 @@ bool SendCoinsDialog::PrepareSendText(QString& question_string, QString& informa
     return true;
 }
 
+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: {
+        QString selectedFilter;
+        QString fileNameSuggestion = "";
+        bool first = true;
+        for (const SendCoinsRecipient &rcp : m_current_transaction->getRecipients()) {
+            if (!first) {
+                fileNameSuggestion.append(" - ");
+            }
+            QString labelOrAddress = rcp.label.isEmpty() ? rcp.address : rcp.label;
+            QString amount = BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), rcp.amount);
+            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()
+}
+
 void SendCoinsDialog::sendButtonClicked([[maybe_unused]] bool checked)
 {
     if(!model || !model->getOptionsModel())
@@ -481,48 +527,7 @@ void SendCoinsDialog::sendButtonClicked([[maybe_unused]] bool checked)
 
         // Copy PSBT to clipboard and offer to save
         assert(!complete);
-        // 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: {
-            QString selectedFilter;
-            QString fileNameSuggestion = "";
-            bool first = true;
-            for (const SendCoinsRecipient &rcp : m_current_transaction->getRecipients()) {
-                if (!first) {
-                    fileNameSuggestion.append(" - ");
-                }
-                QString labelOrAddress = rcp.label.isEmpty() ? rcp.address : rcp.label;
-                QString amount = BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), rcp.amount);
-                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()
+        presentPSBT(psbtx);
     } else {
         assert(!model->wallet().privateKeysDisabled());
         // now send the prepared transaction
diff --git a/src/qt/sendcoinsdialog.h b/src/qt/sendcoinsdialog.h
index 4a16702756..1e3284fb08 100644
--- a/src/qt/sendcoinsdialog.h
+++ b/src/qt/sendcoinsdialog.h
@@ -70,6 +70,8 @@ private:
     bool fFeeMinimized;
     const PlatformStyle *platformStyle;
 
+    // Copy PSBT to clipboard and offer to save it.
+    void presentPSBT(PartiallySignedTransaction& psbt);
     // Process WalletModel::SendCoinsReturn and generate a pair consisting
     // of a message and message flags for use in Q_EMIT message().
     // Additional parameter msgArg can be used via .arg(msgArg).
-- 
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