Remove gap cache

nano/core_test/CMakeLists.txt

@@ -22,7 +22,6 @@ add_executable(
   enums.cpp
   epochs.cpp
   frontiers_confirmation.cpp
-  gap_cache.cpp
   ipc.cpp
   ledger.cpp
   locks.cpp

nano/core_test/node.cpp

@@ -338,26 +338,6 @@ TEST (node, auto_bootstrap_age)
 	node1->stop ();
 }
 
-// Test ensures the block processor adds the published block to the gap cache.
-TEST (node, receive_gap)
-{
-	nano::test::system system (1);
-	auto & node1 (*system.nodes[0]);
-	ASSERT_EQ (0, node1.gap_cache.size ());
-	auto block = nano::send_block_builder ()
-				 .previous (5)
-				 .destination (1)
-				 .balance (2)
-				 .sign (nano::keypair ().prv, 4)
-				 .work (0)
-				 .build_shared ();
-	node1.work_generate_blocking (*block);
-	nano::publish message{ nano::dev::network_params.network, block };
-	auto channel1 = std::make_shared<nano::transport::fake::channel> (node1);
-	node1.network.inbound (message, channel1);
-	ASSERT_TIMELY_EQ (5s, 1, node1.gap_cache.size ());
-}
-
 TEST (node, merge_peers)
 {
 	nano::test::system system (1);

nano/node/CMakeLists.txt

@@ -26,8 +26,6 @@ add_library(
   block_broadcast.hpp
   block_publisher.cpp
   block_publisher.hpp
-  gap_tracker.cpp
-  gap_tracker.hpp
   blocking_observer.cpp
   blocking_observer.hpp
   blockprocessor.hpp
@@ -88,8 +86,6 @@ add_library(
   election_insertion_result.hpp
   epoch_upgrader.hpp
   epoch_upgrader.cpp
-  gap_cache.hpp
-  gap_cache.cpp
   inactive_cache_information.hpp
   inactive_cache_information.cpp
   inactive_cache_status.hpp

nano/node/blockprocessor.cpp

@@ -339,7 +339,6 @@ nano::process_return nano::block_processor::process_one (store::write_transactio
 void nano::block_processor::queue_unchecked (store::write_transaction const & transaction_a, nano::hash_or_account const & hash_or_account_a)
 {
 	node.unchecked.trigger (hash_or_account_a);
-	node.gap_cache.erase (hash_or_account_a.hash);
 }
 
 std::unique_ptr<nano::container_info_component> nano::collect_container_info (block_processor & block_processor, std::string const & name)