Add a bunch of debug statements

silentdragon.pro

@@ -1,3 +1,5 @@
+// Copyright 2019-2020 The Hush developers
+// GPLv3
 #-------------------------------------------------
 #
 # Project created by QtCreator 2018-10-05T09:54:45
@@ -14,7 +16,6 @@ QT += widgets
 QT += websockets
 
 TARGET = silentdragon
-
 TEMPLATE = app
 
 # The following define makes your compiler emit warnings if you use

src/connection.h

@@ -1,3 +1,5 @@
+// Copyright 2019-2020 The Hush developers
+// Released under the GPLv3
 #ifndef CONNECTION_H
 #define CONNECTION_H
 
@@ -84,7 +86,7 @@ private:
 };
 
 /**
- * Represents a connection to a zcashd. It may even start a new zcashd if needed.
+ * Represents a connection to a hushd. It may even start a new hushd if needed.
  * This is also a UI class, so it may show a dialog waiting for the connection.
 */
 class Connection {
@@ -121,6 +123,7 @@ public:
         static QMap<QString, bool> inProgress;
 
         QString method = QString::fromStdString(payloadGenerator(payloads[0])["method"]);
+        qDebug() << __func__ << " with method=" << method << " and totalSize=" << totalSize;
         //if (inProgress.value(method, false)) {
         //    qDebug() << "In progress batch, skipping";
         //    return;
@@ -135,11 +138,12 @@ public:
             QObject::connect(reply, &QNetworkReply::finished, [=] {
                 reply->deleteLater();
                 if (shutdownInProgress) {
-                    // Ignoring callback because shutdown in progress
+                    qDebug() << "Ignoring callback because shutdown in progress";
                     return;
                 }
                 
-                auto all = reply->readAll();            
+                auto all    = reply->readAll();
+                qDebug() << "Parsing JSON...";
                 auto parsed = json::parse(all.toStdString(), nullptr, false);
 
                 if (reply->error() != QNetworkReply::NoError) {            
@@ -149,8 +153,10 @@ public:
                     (*responses)[item] = json::object();    // Empty object
                 } else {
                     if (parsed.is_discarded()) {
+                        qDebug() << "Discarded response!";
                         (*responses)[item] = json::object();    // Empty object
                     } else {
+                        qDebug() << "Parsed valid JSON";
                         (*responses)[item] = parsed["result"];
                     }
                 }
@@ -158,8 +164,10 @@ public:
         }
 
         auto waitTimer = new QTimer(main);
+        qDebug() << "Created timer...";
         QObject::connect(waitTimer, &QTimer::timeout, [=]() {
             if (shutdownInProgress) {
+                qDebug() << "Shutdown in progress, removing timer";
                 waitTimer->stop();
                 waitTimer->deleteLater();  
                 return;
@@ -167,6 +175,7 @@ public:
 
             // If all responses have arrived, return
             if (responses->size() == totalSize) {
+                qDebug() << "Response arrived, removing timer...";
 
                 waitTimer->stop();
                 
@@ -176,6 +185,7 @@ public:
                 waitTimer->deleteLater();            
             }
         });
+        qDebug() << "Starting timer...";
         waitTimer->start(100);    
     }
 

src/rpc.cpp

@@ -427,6 +427,7 @@ void RPC::refreshReceivedZTrans(QList<QString> zaddrs) {
 
     // We'll only refresh the received Z txs if settings allows us.
     if (!Settings::getInstance()->getSaveZtxs()) {
+        qDebug() << "Settings have saved zaddr transactions OFF, showing empty list";
         QList<TransactionItem> emptylist;
         transactionsTableModel->addZRecvData(emptylist);
         return;
@@ -454,6 +455,7 @@ void RPC::refreshReceivedZTrans(QList<QString> zaddrs) {
             // appears multiple times in a single tx's outputs.
             QSet<QString> txids;
             QMap<QString, QString> memos;
+            qDebug() << "Processing zaddrs...";
             for (auto it = zaddrTxids->constBegin(); it != zaddrTxids->constEnd(); it++) {
                 auto zaddr = it.key();
                 for (auto& i : it.value().get<json::array_t>()) {   
@@ -467,16 +469,18 @@ void RPC::refreshReceivedZTrans(QList<QString> zaddrs) {
 
                         // Check for Memos
                         QString memoBytes = QString::fromStdString(i["memo"].get<json::string_t>());
+                        //TODO: This should check for valid utf8!
                         if (!memoBytes.startsWith("f600"))  {
-                            QString memo(QByteArray::fromHex(
-                                            QByteArray::fromStdString(i["memo"].get<json::string_t>())));
+                            QString memo(QByteArray::fromHex(QByteArray::fromStdString(i["memo"].get<json::string_t>())));
                             if (!memo.trimmed().isEmpty())
+                                qDebug() << "Found a memo for txid=" << txid;
                                 memos[zaddr + txid] = memo;
                         }
                     }
                 }                        
             }
 
+            qDebug() << "Processing all txids...";
             // 2. For all txids, go and get the details of that txid.
             conn->doBatchRPC<QString>(txids.toList(),
                 [=] (QString txid) {