diff --git a/src/currency_core/currency_config.h b/src/currency_core/currency_config.h
index ebe69442..5318bc33 100644
--- a/src/currency_core/currency_config.h
+++ b/src/currency_core/currency_config.h
@@ -30,6 +30,7 @@
 #define CURRENT_TRANSACTION_VERSION                     2
 #define TRANSACTION_VERSION_INITAL                      0
 #define TRANSACTION_VERSION_PRE_HF4                     1
+#define TRANSACTION_VERSION_POST_HF4                    2 
 #define HF1_BLOCK_MAJOR_VERSION                         1
 #define HF3_BLOCK_MAJOR_VERSION                         2
 #define CURRENT_BLOCK_MAJOR_VERSION                     3
diff --git a/tests/core_tests/chaingen_main.cpp b/tests/core_tests/chaingen_main.cpp
index 7086798f..129198f9 100644
--- a/tests/core_tests/chaingen_main.cpp
+++ b/tests/core_tests/chaingen_main.cpp
@@ -1061,14 +1061,8 @@ int main(int argc, char* argv[])
     
     GENERATE_AND_PLAY(zarcanum_basic_test);
 
-    //stop_on_first_fail = true;
-    //for (size_t i = 0; i != 100; i++)
-    //{
-      multiassets_basic_test::ts_starter = 0;
-      GENERATE_AND_PLAY(multiassets_basic_test);
-    //}
-  
-    
+    GENERATE_AND_PLAY(multiassets_basic_test);
+    GENERATE_AND_PLAY(zarcanum_test_n_inputs_validation);
 
     // GENERATE_AND_PLAY(gen_block_reward);
     // END OF TESTS  */
diff --git a/tests/core_tests/zarcanum_test.cpp b/tests/core_tests/zarcanum_test.cpp
index 7ce373d5..ffad0c0b 100644
--- a/tests/core_tests/zarcanum_test.cpp
+++ b/tests/core_tests/zarcanum_test.cpp
@@ -8,6 +8,8 @@
 #include "wallet_test_core_proxy.h"
 
 #include "random_helper.h"
+#include "tx_builder.h"
+
 
 #define  AMOUNT_TO_TRANSFER_ZARCANUM_BASIC (TESTS_DEFAULT_FEE*10)
 
@@ -52,6 +54,7 @@ bool zarcanum_basic_test::c1(currency::core& c, size_t ev_index, const std::vect
   account_base alice_acc;
   alice_acc.generate();
   std::shared_ptr<tools::wallet2> alice_wlt = init_playtime_test_wallet(events, c, alice_acc);
+ 
 
   //pass over hardfork
   r = mine_next_pow_blocks_in_playtime(miner_wlt->get_account().get_public_address(), c, 2);
@@ -165,3 +168,62 @@ bool zarcanum_basic_test::c1(currency::core& c, size_t ev_index, const std::vect
 
   return true;
 }
+
+
+
+zarcanum_test_n_inputs_validation::zarcanum_test_n_inputs_validation()
+{
+  REGISTER_CALLBACK_METHOD(zarcanum_basic_test, configure_core);
+
+  m_hardforks.set_hardfork_height(1, 1);
+  m_hardforks.set_hardfork_height(2, 1);
+  m_hardforks.set_hardfork_height(3, 1);
+  m_hardforks.set_hardfork_height(4, 12);
+}  
+
+
+bool zarcanum_test_n_inputs_validation::generate(std::vector<test_event_entry>& events) const
+{
+  uint64_t ts_start = 1338224400;
+
+  GENERATE_ACCOUNT(miner_account);
+  MAKE_GENESIS_BLOCK(events, blk_0, miner_account, ts_start);
+  REWIND_BLOCKS(events, blk_0r, blk_0, miner_account);
+
+  std::vector<tx_source_entry> sources;
+  std::vector<tx_destination_entry> destinations;
+  fill_tx_sources_and_destinations(events, blk_0r, miner_account, miner_account, MK_TEST_COINS(1), TESTS_DEFAULT_FEE, 0, sources, destinations);
+  destinations.resize(1);
+
+  tx_builder builder;
+  builder.step1_init(TRANSACTION_VERSION_PRE_HF4);
+  builder.step2_fill_inputs(miner_account.get_keys(), sources);
+  builder.step3_fill_outputs(destinations);
+  builder.step4_calc_hash();
+  builder.step5_sign(sources);
+
+//  DO_CALLBACK(events, "mark_invalid_tx");
+  events.push_back(builder.m_tx);
+
+  MAKE_NEXT_BLOCK_TX1(events, blk_11, blk_0r, miner_account, builder.m_tx);
+  REWIND_BLOCKS_N(events, blk_14, blk_11, miner_account, 4);
+
+
+  sources.clear();
+  destinations.clear();
+  fill_tx_sources_and_destinations(events, blk_0r, miner_account, miner_account, MK_TEST_COINS(1), TESTS_DEFAULT_FEE, 0, sources, destinations);
+  destinations.resize(1);
+  tx_builder builder2;
+  //TODO: implement configuring for zarcanum type outputs
+  builder2.step1_init(TRANSACTION_VERSION_POST_HF4);
+  builder2.step2_fill_inputs(miner_account.get_keys(), sources);
+  builder2.step3_fill_outputs(destinations);
+  builder2.step4_calc_hash();
+  builder2.step5_sign(sources);
+
+  DO_CALLBACK(events, "mark_invalid_tx");
+  events.push_back(builder2.m_tx);
+  REWIND_BLOCKS_N(events, blk_16, blk_14, miner_account, 2);
+
+  return true;
+}
\ No newline at end of file
diff --git a/tests/core_tests/zarcanum_test.h b/tests/core_tests/zarcanum_test.h
index a6e2b200..7a40dacf 100644
--- a/tests/core_tests/zarcanum_test.h
+++ b/tests/core_tests/zarcanum_test.h
@@ -14,3 +14,11 @@ struct zarcanum_basic_test : public wallet_test
   bool generate(std::vector<test_event_entry>& events) const;
   bool c1(currency::core& c, size_t ev_index, const std::vector<test_event_entry>& events);
 };
+
+struct zarcanum_test_n_inputs_validation : public wallet_test
+{
+  zarcanum_test_n_inputs_validation();
+  bool generate(std::vector<test_event_entry>& events) const;
+};
+
+