Updating code

reviving this project

src/agrarian-tx.cpp

@@ -1,5 +1,6 @@
 // Copyright (c) 2009-2014 The Bitcoin developers
 // Copyright (c) 2015-2019 The PIVX developers
+// Copyright (c) 2026 Agrarian Developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -24,8 +25,6 @@
 #include <boost/assign/list_of.hpp>
 
 using namespace boost::assign;
-using namespace std;
-
 static bool fCreateBlank;
 static map<string, UniValue> registers;
 CClientUIInterface uiInterface;
@@ -605,7 +604,7 @@ static int CommandLineRawTx(int argc, char* argv[])
         strPrint = string("error: ") + e.what();
         nRet = EXIT_FAILURE;
     } catch (...) {
-        PrintExceptionContinue(NULL, "CommandLineRawTx()");
+        PrintExceptionContinue(nullptr, "CommandLineRawTx()");
         throw;
     }
 
@@ -626,7 +625,7 @@ int main(int argc, char* argv[])
         PrintExceptionContinue(&e, "AppInitRawTx()");
         return EXIT_FAILURE;
     } catch (...) {
-        PrintExceptionContinue(NULL, "AppInitRawTx()");
+        PrintExceptionContinue(nullptr, "AppInitRawTx()");
         return EXIT_FAILURE;
     }
 
@@ -636,7 +635,7 @@ int main(int argc, char* argv[])
     } catch (std::exception& e) {
         PrintExceptionContinue(&e, "CommandLineRawTx()");
     } catch (...) {
-        PrintExceptionContinue(NULL, "CommandLineRawTx()");
+        PrintExceptionContinue(nullptr, "CommandLineRawTx()");
     }
     return ret;
 }