txdb-leveldb.h fix for Deda

Author: vashshawn

src/txdb-leveldb.h

@@ -1,5 +1,5 @@
-// Copyright (c) 2009-2024 The Bitcoin Developers
-// Copyright (c) 2009-2024 The Litedoge Developers
+// Copyright (c) 2009-2024 The Bitcoin Developers.
+// Copyright (c) 2009-2024 The Litedoge Developers.
 // Authored by Google, Inc.
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -8,11 +8,9 @@
 #define BITCOIN_LEVELDB_H
 
 #include "main.h"
-#include "db.h"
 #include "bignum.h"
 #include <leveldb/include/leveldb/write_batch.h>
 #include <leveldb/include/leveldb/db.h>
-#include "key.h"
 #include "script.h"
 #include "base58.h"
 
@@ -69,7 +67,7 @@ class CTxDB
         CDataStream ssKey(SER_DISK, CLIENT_VERSION);
         ssKey.reserve(1000);
         ssKey << key;
-        string strValue;
+        std::string strValue;
 
         bool readFromDb = true;
         if (activeBatch) {
@@ -88,7 +86,7 @@ class CTxDB
                 if (status.IsNotFound())
                     return false;
                 // Some unexpected error.
-                printf("LevelDB read failure: %s\n", status.ToString().c_str());
+                LogPrintf("LevelDB read failure: %s\n", status.ToString());
                 return false;
             }
         }
@@ -98,7 +96,7 @@ class CTxDB
                                 SER_DISK, CLIENT_VERSION);
             ssValue >> value;
         }
-        catch (const exception&) {
+        catch (std::exception &e) {
             return false;
         }
         return true;
@@ -116,14 +114,14 @@ class CTxDB
         CDataStream ssValue(SER_DISK, CLIENT_VERSION);
         ssValue.reserve(10000);
         ssValue << value;
-        
+
         if (activeBatch) {
             activeBatch->Put(ssKey.str(), ssValue.str());
             return true;
         }
-        leveldb::Status status = pdb->Delete(leveldb::WriteOptions(), ssKey.str(), ssValue.str());
+        leveldb::Status status = pdb->Put(leveldb::WriteOptions(), ssKey.str(), ssValue.str());
         if (!status.ok()) {
-            printf("LevelDB write failure: %s\n", status.ToString().c_str());
+            LogPrintf("LevelDB write failure: %s\n", status.ToString());
             return false;
         }
         return true;
@@ -182,12 +180,12 @@ class CTxDB
     bool ReadVersion(int& nVersion)
     {
         nVersion = 0;
-        return Read(string("version"), nVersion);
+        return Read(std::string("version"), nVersion);
     }
 
     bool WriteVersion(int nVersion)
     {
-        return Write(string("version"), nVersion);
+        return Write(std::string("version"), nVersion);
     }
 
     bool ReadTxIndex(uint256 hash, CTxIndex& txindex);
@@ -208,8 +206,6 @@ class CTxDB
     bool WriteSyncCheckpoint(uint256 hashCheckpoint);
     bool ReadCheckpointPubKey(std::string& strPubKey);
     bool WriteCheckpointPubKey(const std::string& strPubKey);
-    bool ReadModifierUpgradeTime(unsigned int& nUpgradeTime);
-    bool WriteModifierUpgradeTime(const unsigned int& nUpgradeTime);
     bool LoadBlockIndex();
 private:
     bool LoadBlockIndexGuts();