diff --git a/test/functional/test_framework/test_framework.py b/test/functional/test_framework/test_framework.py
--- a/test/functional/test_framework/test_framework.py
+++ b/test/functional/test_framework/test_framework.py
@@ -46,6 +46,9 @@
 TEST_EXIT_FAILED = 1
 TEST_EXIT_SKIPPED = 77
 
+# Timestamp is 01.01.2019
+TIMESTAMP_IN_THE_PAST = 1546300800
+
 
 class BitcoinTestFramework():
     """Base class for a bitcoin test script.
@@ -98,6 +101,8 @@
                             help="Attach a python debugger if test fails")
         parser.add_argument("--usecli", dest="usecli", default=False, action="store_true",
                             help="use bitcoin-cli instead of RPC for all commands")
+        parser.add_argument("--with-greatwallactivation", dest="greatwallactivation", default=False, action="store_true",
+                            help="Activate great wall update on timestamp {}".format(TIMESTAMP_IN_THE_PAST))
         self.add_options(parser)
         self.options = parser.parse_args()
 
@@ -247,6 +252,9 @@
         for i in range(num_nodes):
             self.nodes.append(TestNode(i, self.options.tmpdir, extra_args[i], rpchost, rpc_port=rpc_port(i), p2p_port=p2p_port(i),
                                        timewait=timewait, binary=binary[i], stderr=None, mocktime=self.mocktime, coverage_dir=self.options.coveragedir, use_cli=self.options.usecli))
+            if self.options.greatwallactivation:
+                self.nodes[i].extend_default_args(
+                    ["-greatwallactivationtime={}".format(TIMESTAMP_IN_THE_PAST)])
 
     def start_node(self, i, *args, **kwargs):
         """Start a bitcoind"""
@@ -417,6 +425,9 @@
                 if i > 0:
                     self.nodes[i].extend_default_args(
                         ["-connect=127.0.0.1:" + str(p2p_port(0))])
+                if self.options.greatwallactivation:
+                    self.nodes[i].extend_default_args(
+                        ["-greatwallactivationtime={}".format(TIMESTAMP_IN_THE_PAST)])
                 self.start_node(i)
 
             # Wait for RPC connections to be ready