fix bug in apply_block that constructed and committed blocks with missing signatures in the protocol-feature-foundations branch

libraries/chain/controller.cpp

@@ -1399,7 +1399,7 @@ struct controller_impl {
 
          auto bsp = std::make_shared<block_state>(
                         std::move( ab._pending_block_header_state ),
-                        std::move( ab._unsigned_block ),
+                        b,
                         std::move( ab._trx_metas ),
                         true // signature should have already been verified (assuming untrusted) prior to apply_block
                     );

libraries/chain/include/eosio/chain/block_state.hpp

@@ -18,9 +18,9 @@ namespace eosio { namespace chain {
                  );
 
       block_state( pending_block_header_state&& cur,
-                  signed_block_ptr&& b, // unsigned block
-                  vector<transaction_metadata_ptr>&& trx_metas,
-                  const std::function<signature_type(const digest_type&)>& signer
+                   signed_block_ptr&& b, // unsigned block
+                   vector<transaction_metadata_ptr>&& trx_metas,
+                   const std::function<signature_type(const digest_type&)>& signer
                 );
 
       block_state( pending_block_header_state&& cur,

unittests/forked_tests.cpp

@@ -374,6 +374,45 @@ BOOST_AUTO_TEST_CASE( prune_remove_branch ) try {
 } FC_LOG_AND_RETHROW()
 
 
+/**
+ *  Tests that a validating node does not accept a block which is considered invalid by another node.
+ */
+BOOST_AUTO_TEST_CASE( validator_accepts_valid_blocks ) try {
+
+   tester n1;
+   tester n2;
+   tester n3;
+
+   n1.produce_block();
+
+   auto id = n1.control->head_block_id();
+
+   block_state_ptr first_block;
+
+   auto c = n2.control->accepted_block.connect( [&]( const block_state_ptr& bsp) {
+      if( bsp->block_num == 2 ) {
+         first_block = bsp;
+      }
+   } );
+
+   push_blocks( n1, n2 );
+
+   BOOST_CHECK_EQUAL( n2.control->head_block_id(), id );
+
+   BOOST_REQUIRE( first_block );
+   first_block->verify_signee( first_block->signee() );
+   BOOST_CHECK_EQUAL( first_block->header.id(), first_block->block->id() );
+   BOOST_CHECK( first_block->header.producer_signature == first_block->block->producer_signature );
+
+   c.disconnect();
+
+   n3.push_block( first_block->block );
+
+   BOOST_CHECK_EQUAL( n3.control->head_block_id(), id );
+
+
+} FC_LOG_AND_RETHROW()
+
 BOOST_AUTO_TEST_CASE( read_modes ) try {
    tester c;
    c.produce_block();