Fix negative "keys left since backup" (#2671)

dashpay · Feb 1, 2019 · ae70e8a · ae70e8a
1 parent 2a330f1
commit ae70e8a
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
@@ -4262,8 +4262,10 @@ void CWallet::KeepKey(int64_t nIndex)
     if (fFileBacked)
     {
         CWalletDB walletdb(strWalletFile);
-        walletdb.ErasePool(nIndex);
-        nKeysLeftSinceAutoBackup = nWalletBackups ? nKeysLeftSinceAutoBackup - 1 : 0;
+        if (walletdb.ErasePool(nIndex))
+            --nKeysLeftSinceAutoBackup;
+        if (!nWalletBackups)
+            nKeysLeftSinceAutoBackup = 0;
     }
     LogPrintf("keypool keep %d\n", nIndex);
 }