Disable mainnet/testnet operation

src/bitcoind.cpp

@@ -161,6 +161,10 @@ static bool AppInit(NodeContext& node, int argc, char* argv[])
         } catch (const std::exception& e) {
             return InitError(Untranslated(strprintf("%s\n", e.what())));
         }
+        // Disallow mainnet/testnet operation
+        if (Params().NetworkIDString() == CBaseChainParams::MAIN || Params().NetworkIDString() == CBaseChainParams::TESTNET) {
+            return InitError(Untranslated(strprintf("Selected network '%s' is unsupported for this client, select -regtest or -signet instead.\n", Params().NetworkIDString())));
+        }
 
         // Error out when loose non-argument tokens are encountered on command line
         for (int i = 1; i < argc; i++) {

src/qt/bitcoin.cpp

@@ -586,6 +586,11 @@ int GuiMain(int argc, char* argv[])
         QMessageBox::critical(nullptr, PACKAGE_NAME, QObject::tr("Error: %1").arg(e.what()));
         return EXIT_FAILURE;
     }
+    // Disallow mainnet/testnet operation
+    if (Params().NetworkIDString() == CBaseChainParams::MAIN || Params().NetworkIDString() == CBaseChainParams::TESTNET) {
+        return InitError(Untranslated(strprintf("Selected network '%s' is unsupported for this client, select -regtest or -signet instead.\n", Params().NetworkIDString())));
+    }
+
 #ifdef ENABLE_WALLET
     // Parse URIs on command line -- this can affect Params()
     PaymentServer::ipcParseCommandLine(argc, argv);

test/functional/feature_config_args.py

@@ -45,11 +45,11 @@ def test_config_file_parser(self):
                 conf.write("wallet=foo\n")
             self.nodes[0].assert_start_raises_init_error(expected_msg=f'Error: Config setting for -wallet only applied on {self.chain} network when in [{self.chain}] section.')
 
-        main_conf_file_path = os.path.join(self.options.tmpdir, 'node0', 'bitcoin_main.conf')
-        util.write_config(main_conf_file_path, n=0, chain='', extra_config=f'includeconf={inc_conf_file_path}\n')
-        with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
-            conf.write('acceptnonstdtxn=1\n')
-        self.nodes[0].assert_start_raises_init_error(extra_args=[f"-conf={main_conf_file_path}"], expected_msg='Error: acceptnonstdtxn is not currently supported for main chain')
+        #main_conf_file_path = os.path.join(self.options.tmpdir, 'node0', 'bitcoin_main.conf')
+        #util.write_config(main_conf_file_path, n=0, chain='', extra_config=f'includeconf={inc_conf_file_path}\n')
+        #with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
+        #    conf.write('acceptnonstdtxn=1\n')
+        #self.nodes[0].assert_start_raises_init_error(extra_args=[f"-conf={main_conf_file_path}"], expected_msg='Error: acceptnonstdtxn is not currently supported for main chain')
 
         with open(inc_conf_file_path, 'w', encoding='utf-8') as conf:
             conf.write('nono\n')

test/functional/test_runner.py

@@ -290,7 +290,6 @@
     'wallet_coinbase_category.py --descriptors',
     'feature_filelock.py',
     'feature_loadblock.py',
-    'p2p_dos_header_tree.py',
     'p2p_add_connections.py',
     'feature_bind_port_discover.py',
     'p2p_unrequested_blocks.py',