Add push block with invalid transaction test

unittests/block_tests.cpp

+/**
+ *  @file
+ *  @copyright defined in eos/LICENSE.txt
+ */
+
+#include <boost/test/unit_test.hpp>
+#include <eosio/testing/tester.hpp>
+
+using namespace eosio;
+using namespace testing;
+using namespace chain;
+
+BOOST_AUTO_TEST_SUITE(block_tests)
+
+BOOST_AUTO_TEST_CASE(block_with_invalid_tx_test)
+{
+   tester main;
+
+   // First we create a valid block with valid transaction
+   main.create_account(N(newacc));
+   auto b = main.produce_block();
+
+   // Make a copy of the valid block and corrupt the transaction
+   auto copy_b = std::make_shared<signed_block>(*b);
+   auto signed_tx = copy_b->transactions.back().trx.get<packed_transaction>().get_signed_transaction();
+   auto& act = signed_tx.actions.back();
+   auto act_data = act.data_as<newaccount>();
+   // Make the transaction invalid by having the new account name the same as the creator name
+   act_data.name = act_data.creator;
+   act.data = fc::raw::pack(act_data);
+   // Re-sign the transaction
+   signed_tx.signatures.clear();
+   signed_tx.sign(main.get_private_key(N(eosio), "active"), main.control->get_chain_id());
+   // Replace the valid transaction with the invalid transaction 
+   auto invalid_packed_tx = packed_transaction(signed_tx);
+   copy_b->transactions.back().trx = invalid_packed_tx;
+
+   // Re-sign the block
+   auto header_bmroot = digest_type::hash( std::make_pair( copy_b->digest(), main.control->head_block_state()->blockroot_merkle.get_root() ) );
+   auto sig_digest = digest_type::hash( std::make_pair(header_bmroot, main.control->head_block_state()->pending_schedule_hash) );
+   copy_b->producer_signature = main.get_private_key(N(eosio), "active").sign(sig_digest);
+
+   // Push block with invalid transaction to other chain
+   tester validator;
+   validator.control->abort_block();
+   BOOST_REQUIRE_EXCEPTION(validator.control->push_block( copy_b ), fc::exception ,
+   [] (const fc::exception &e)->bool {
+      return e.code() == action_validate_exception::code_value ;
+   }) ;
+  
+}
+
+BOOST_AUTO_TEST_SUITE_END()