Report reindexing progress in GUI

qa/rpc-tests/reindex.py

@@ -8,6 +8,7 @@
 #
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import *
+import time
 
 class ReindexTest(BitcoinTestFramework):
 
@@ -26,6 +27,8 @@ class ReindexTest(BitcoinTestFramework):
         stop_node(self.nodes[0], 0)
         wait_bitcoinds()
         self.nodes[0]=start_node(0, self.options.tmpdir, ["-debug", "-reindex-chainstate" if justchainstate else "-reindex", "-checkblockindex=1"])
+        while self.nodes[0].getblockcount() < blockcount:
+            time.sleep(0.1)
         assert_equal(self.nodes[0].getblockcount(), blockcount)
         print("Success")
 

src/main.cpp

@@ -2883,6 +2883,28 @@ static bool ActivateBestChainStep(CValidationState& state, const CChainParams& c
     return true;
 }
 
+static void NotifyHeaderTip() {
+    bool fNotify = false;
+    bool fInitialBlockDownload = false;
+    static CBlockIndex* pindexHeaderOld = NULL;
+    CBlockIndex* pindexHeader = NULL;
+    {
+        LOCK(cs_main);
+        if (!setBlockIndexCandidates.empty()) {
+            pindexHeader = *setBlockIndexCandidates.rbegin();
+        }
+        if (pindexHeader != pindexHeaderOld) {
+            fNotify = true;
+            fInitialBlockDownload = IsInitialBlockDownload();
+            pindexHeaderOld = pindexHeader;
+        }
+    }
+    // Send block tip changed notifications without cs_main
+    if (fNotify) {
+        uiInterface.NotifyHeaderTip(fInitialBlockDownload, pindexHeader);
+    }
+}
+
 /**
  * Make the best chain active, in multiple steps. The result is either failure
  * or an activated best chain. pblock is either NULL or a pointer to a block
@@ -3499,6 +3521,8 @@ bool ProcessNewBlock(CValidationState& state, const CChainParams& chainparams, c
             return error("%s: AcceptBlock FAILED", __func__);
     }
 
+    NotifyHeaderTip();
+
     if (!ActivateBestChain(state, chainparams, pblock))
         return error("%s: ActivateBestChain failed", __func__);
 
@@ -4054,6 +4078,16 @@ bool LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, CDiskB
                     LogPrint("reindex", "Block Import: already had block %s at height %d\n", hash.ToString(), mapBlockIndex[hash]->nHeight);
                 }
 
+                // Activate the genesis block so normal node progress can continue
+                if (hash == chainparams.GetConsensus().hashGenesisBlock) {
+                    CValidationState state;
+                    if (!ActivateBestChain(state, chainparams)) {
+                        break;
+                    }
+                }
+
+                NotifyHeaderTip();
+
                 // Recursively process earlier encountered successors of this block
                 deque<uint256> queue;
                 queue.push_back(hash);
@@ -4077,6 +4111,7 @@ bool LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, CDiskB
                         }
                         range.first++;
                         mapBlocksUnknownParent.erase(it);
+                        NotifyHeaderTip();
                     }
                 }
             } catch (const std::exception& e) {
@@ -5088,6 +5123,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
             ReadCompactSize(vRecv); // ignore tx count; assume it is 0.
         }
 
+        {
         LOCK(cs_main);
 
         if (nCount == 0) {
@@ -5171,6 +5207,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
         }
 
         CheckBlockIndex(chainparams.GetConsensus());
+        }
+
+        NotifyHeaderTip();
     }
 
     else if (strCommand == NetMsgType::BLOCK && !fImporting && !fReindex) // Ignore blocks received while importing

src/qt/bitcoingui.cpp

@@ -457,8 +457,8 @@ void BitcoinGUI::setClientModel(ClientModel *clientModel)
         setNumConnections(clientModel->getNumConnections());
         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 
-        setNumBlocks(clientModel->getNumBlocks(), clientModel->getLastBlockDate(), clientModel->getVerificationProgress(NULL));
-        connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime,double)), this, SLOT(setNumBlocks(int,QDateTime,double)));
+        setNumBlocks(clientModel->getNumBlocks(), clientModel->getLastBlockDate(), clientModel->getVerificationProgress(NULL), false);
+        connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime,double,bool)), this, SLOT(setNumBlocks(int,QDateTime,double,bool)));
 
         // Receive and report messages from client model
         connect(clientModel, SIGNAL(message(QString,QString,unsigned int)), this, SLOT(message(QString,QString,unsigned int)));
@@ -696,7 +696,7 @@ void BitcoinGUI::setNumConnections(int count)
     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 }
 
-void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress)
+void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress, bool header)
 {
     if(!clientModel)
         return;
@@ -708,15 +708,25 @@ void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, double nVer
     enum BlockSource blockSource = clientModel->getBlockSource();
     switch (blockSource) {
         case BLOCK_SOURCE_NETWORK:
+            if (header) {
+                return;
+            }
             progressBarLabel->setText(tr("Synchronizing with network..."));
             break;
         case BLOCK_SOURCE_DISK:
-            progressBarLabel->setText(tr("Importing blocks from disk..."));
+            if (header) {
+                progressBarLabel->setText(tr("Indexing blocks on disk..."));
+            } else {
+                progressBarLabel->setText(tr("Processing blocks on disk..."));
+            }
             break;
         case BLOCK_SOURCE_REINDEX:
             progressBarLabel->setText(tr("Reindexing blocks on disk..."));
             break;
         case BLOCK_SOURCE_NONE:
+            if (header) {
+                return;
+            }
             // Case: not Importing, not Reindexing and no network connection
             progressBarLabel->setText(tr("No block source available..."));
             break;

src/qt/bitcoingui.h

@@ -150,7 +150,7 @@ public Q_SLOTS:
     /** Set number of connections shown in the UI */
     void setNumConnections(int count);
     /** Set number of blocks and last block date shown in the UI */
-    void setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress);
+    void setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress, bool headers);
 
     /** Notify the user of an event from the core network or transaction handling code.
        @param[in] title     the message box / notification title

src/qt/clientmodel.cpp

@@ -24,6 +24,7 @@
 class CBlockIndex;
 
 static const int64_t nClientStartupTime = GetTime();
+static int64_t nLastHeaderTipUpdateNotification = 0;
 static int64_t nLastBlockTipUpdateNotification = 0;
 
 ClientModel::ClientModel(OptionsModel *optionsModel, QObject *parent) :
@@ -226,7 +227,7 @@ static void BannedListChanged(ClientModel *clientmodel)
     QMetaObject::invokeMethod(clientmodel, "updateBanlist", Qt::QueuedConnection);
 }
 
-static void BlockTipChanged(ClientModel *clientmodel, bool initialSync, const CBlockIndex *pIndex)
+static void BlockTipChanged(ClientModel *clientmodel, bool initialSync, const CBlockIndex *pIndex, bool fHeader)
 {
     // lock free async UI updates in case we have a new block tip
     // during initial sync, only update the UI if the last update
@@ -235,14 +236,17 @@ static void BlockTipChanged(ClientModel *clientmodel, bool initialSync, const CB
     if (initialSync)
         now = GetTimeMillis();
 
+    int64_t& nLastUpdateNotification = fHeader ? nLastHeaderTipUpdateNotification : nLastBlockTipUpdateNotification;
+
     // if we are in-sync, update the UI regardless of last update time
-    if (!initialSync || now - nLastBlockTipUpdateNotification > MODEL_UPDATE_DELAY) {
+    if (!initialSync || now - nLastUpdateNotification > MODEL_UPDATE_DELAY) {
         //pass a async signal to the UI thread
         QMetaObject::invokeMethod(clientmodel, "numBlocksChanged", Qt::QueuedConnection,
                                   Q_ARG(int, pIndex->nHeight),
                                   Q_ARG(QDateTime, QDateTime::fromTime_t(pIndex->GetBlockTime())),
-                                  Q_ARG(double, clientmodel->getVerificationProgress(pIndex)));
-        nLastBlockTipUpdateNotification = now;
+                                  Q_ARG(double, clientmodel->getVerificationProgress(pIndex)),
+                                  Q_ARG(bool, fHeader));
+        nLastUpdateNotification = now;
     }
 }
 
@@ -253,7 +257,8 @@ void ClientModel::subscribeToCoreSignals()
     uiInterface.NotifyNumConnectionsChanged.connect(boost::bind(NotifyNumConnectionsChanged, this, _1));
     uiInterface.NotifyAlertChanged.connect(boost::bind(NotifyAlertChanged, this));
     uiInterface.BannedListChanged.connect(boost::bind(BannedListChanged, this));
-    uiInterface.NotifyBlockTip.connect(boost::bind(BlockTipChanged, this, _1, _2));
+    uiInterface.NotifyBlockTip.connect(boost::bind(BlockTipChanged, this, _1, _2, false));
+    uiInterface.NotifyHeaderTip.connect(boost::bind(BlockTipChanged, this, _1, _2, true));
 }
 
 void ClientModel::unsubscribeFromCoreSignals()
@@ -263,5 +268,6 @@ void ClientModel::unsubscribeFromCoreSignals()
     uiInterface.NotifyNumConnectionsChanged.disconnect(boost::bind(NotifyNumConnectionsChanged, this, _1));
     uiInterface.NotifyAlertChanged.disconnect(boost::bind(NotifyAlertChanged, this));
     uiInterface.BannedListChanged.disconnect(boost::bind(BannedListChanged, this));
-    uiInterface.NotifyBlockTip.disconnect(boost::bind(BlockTipChanged, this, _1, _2));
+    uiInterface.NotifyBlockTip.disconnect(boost::bind(BlockTipChanged, this, _1, _2, false));
+    uiInterface.NotifyHeaderTip.disconnect(boost::bind(BlockTipChanged, this, _1, _2, true));
 }

src/qt/clientmodel.h

@@ -89,7 +89,7 @@ private:
 
 Q_SIGNALS:
     void numConnectionsChanged(int count);
-    void numBlocksChanged(int count, const QDateTime& blockDate, double nVerificationProgress);
+    void numBlocksChanged(int count, const QDateTime& blockDate, double nVerificationProgress, bool header);
     void mempoolSizeChanged(long count, size_t mempoolSizeInBytes);
     void alertsChanged(const QString &warnings);
     void bytesChanged(quint64 totalBytesIn, quint64 totalBytesOut);

src/qt/rpcconsole.cpp

@@ -353,8 +353,8 @@ void RPCConsole::setClientModel(ClientModel *model)
         setNumConnections(model->getNumConnections());
         connect(model, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 
-        setNumBlocks(model->getNumBlocks(), model->getLastBlockDate(), model->getVerificationProgress(NULL));
-        connect(model, SIGNAL(numBlocksChanged(int,QDateTime,double)), this, SLOT(setNumBlocks(int,QDateTime,double)));
+        setNumBlocks(model->getNumBlocks(), model->getLastBlockDate(), model->getVerificationProgress(NULL), false);
+        connect(model, SIGNAL(numBlocksChanged(int,QDateTime,double,bool)), this, SLOT(setNumBlocks(int,QDateTime,double,bool)));
 
         updateTrafficStats(model->getTotalBytesRecv(), model->getTotalBytesSent());
         connect(model, SIGNAL(bytesChanged(quint64,quint64)), this, SLOT(updateTrafficStats(quint64, quint64)));
@@ -585,10 +585,12 @@ void RPCConsole::setNumConnections(int count)
     ui->numberOfConnections->setText(connections);
 }
 
-void RPCConsole::setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress)
+void RPCConsole::setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress, bool headers)
 {
-    ui->numberOfBlocks->setText(QString::number(count));
-    ui->lastBlockTime->setText(blockDate.toString());
+    if (!headers) {
+        ui->numberOfBlocks->setText(QString::number(count));
+        ui->lastBlockTime->setText(blockDate.toString());
+    }
 }
 
 void RPCConsole::setMempoolSize(long numberOfTxs, size_t dynUsage)

src/qt/rpcconsole.h

@@ -87,7 +87,7 @@ public Q_SLOTS:
     /** Set number of connections shown in the UI */
     void setNumConnections(int count);
     /** Set number of blocks and last block date shown in the UI */
-    void setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress);
+    void setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress, bool headers);
     /** Set size (number of transactions and memory usage) of the mempool in the UI */
     void setMempoolSize(long numberOfTxs, size_t dynUsage);
     /** Go forward or back in history */

src/qt/sendcoinsdialog.cpp

@@ -124,7 +124,7 @@ void SendCoinsDialog::setClientModel(ClientModel *clientModel)
     this->clientModel = clientModel;
 
     if (clientModel) {
-        connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime,double)), this, SLOT(updateSmartFeeLabel()));
+        connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime,double,bool)), this, SLOT(updateSmartFeeLabel()));
     }
 }
 

src/ui_interface.h

@@ -96,6 +96,9 @@ public:
     /** New block has been accepted */
     boost::signals2::signal<void (bool, const CBlockIndex *)> NotifyBlockTip;
 
+    /** Best header has changed */
+    boost::signals2::signal<void (bool, const CBlockIndex *)> NotifyHeaderTip;
+
     /** Banlist did change. */
     boost::signals2::signal<void (void)> BannedListChanged;
 };