From e3a5059c18fe5f6e104ec868e8ba9af374603363 Mon Sep 17 00:00:00 2001
From: Tranz5 <Tranz5@users.noreply.github.com>
Date: Tue, 27 May 2014 22:34:58 -0400
Subject: [PATCH] ScanForWalletTransactions fix

Don't scan if the wallet birthday is newer then blocks
---
 src/wallet.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/wallet.cpp b/src/wallet.cpp
index 1823322..1b26b31 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -853,6 +853,14 @@ int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate)
         LOCK(cs_wallet);
         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 = pindex->pnext;
+                continue;
+
+            }
             CBlock block;
             block.ReadFromDisk(pindex, true);
             BOOST_FOREACH(CTransaction& tx, block.vtx)