Merge pull request #3928

3927836 [Qt] rescan progress (Cozz Lovan)

1 files changed, 14 insertions, 6 deletions

diff --git a/src/wallet.cpp b/src/wallet.cpp
index df1eb549ad..775eb8f580 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -835,14 +835,19 @@ int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate)
     CBlockIndex* pindex = pindexStart;
     {
         LOCK(cs_wallet);
+
+        // no need to read and scan block, if block was created before
+        // our wallet birthday (as adjusted for block time variability)
+        while (pindex && nTimeFirstKey && (pindex->nTime < (nTimeFirstKey - 7200)))
+            pindex = chainActive.Next(pindex);
+
+        ShowProgress(_("Rescanning..."), 0); // show rescan progress in GUI as dialog or on splashscreen, if -rescan on startup
+        double dProgressStart = Checkpoints::GuessVerificationProgress(pindex, false);
+        double dProgressTip = Checkpoints::GuessVerificationProgress(chainActive.Tip(), false);
         while (pindex)
         {
-            // no need to read and scan block, if block was created before
-            // our wallet birthday (as adjusted for block time variability)
-            if (nTimeFirstKey && (pindex->nTime < (nTimeFirstKey - 7200))) {
-                pindex = chainActive.Next(pindex);
-                continue;
-            }
+            if (pindex->nHeight % 100 == 0 && dProgressTip - dProgressStart > 0.0)
+                ShowProgress(_("Rescanning..."), std::max(1, std::min(99, (int)((Checkpoints::GuessVerificationProgress(pindex, false) - dProgressStart) / (dProgressTip - dProgressStart) * 100))));
 
             CBlock block;
             ReadBlockFromDisk(block, pindex);
@@ -857,6 +862,7 @@ int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate)
                 LogPrintf("Still rescanning. At block %d. Progress=%f\n", pindex->nHeight, Checkpoints::GuessVerificationProgress(pindex));
             }
         }
+        ShowProgress(_("Rescanning..."), 100); // hide progress dialog in GUI
     }
     return ret;
 }
@@ -1492,6 +1498,8 @@ DBErrors CWallet::LoadWallet(bool& fFirstRunRet)
         return nLoadWalletRet;
     fFirstRunRet = !vchDefaultKey.IsValid();
 
+    uiInterface.LoadWallet(this);
+
     return DB_LOAD_OK;
 }