proper tx_pool handling from CryptoZoidberg / BBR

src/cryptonote_core/tx_pool.h

@@ -13,6 +13,7 @@
 
 #include "string_tools.h"
 #include "syncobj.h"
+#include "math_helper.h"
 #include "cryptonote_basic_impl.h"
 #include "verification_context.h"
 #include "crypto/hash.h"
@@ -40,6 +41,7 @@ namespace cryptonote
 
     bool on_blockchain_inc(uint64_t new_block_height, const crypto::hash& top_block_id);
     bool on_blockchain_dec(uint64_t new_block_height, const crypto::hash& top_block_id);
+    void on_idle();
 
     void lock();
     void unlock();
@@ -59,7 +61,7 @@ namespace cryptonote
     /*bool flush_pool(const std::strig& folder);
     bool inflate_pool(const std::strig& folder);*/
 
-#define CURRENT_MEMPOOL_ARCHIVE_VER    7
+#define CURRENT_MEMPOOL_ARCHIVE_VER    8
 
     template<class archive_t>
     void serialize(archive_t & a, const unsigned int version)
@@ -82,9 +84,11 @@ namespace cryptonote
       //
       uint64_t last_failed_height;
       crypto::hash last_failed_id;
+      time_t receive_time;
     };
 
   private:
+  	bool remove_stuck_transactions();
     bool is_transaction_ready_to_go(tx_details& txd);
     typedef std::unordered_map<crypto::hash, tx_details > transactions_container;
     typedef std::unordered_map<crypto::key_image, std::unordered_set<crypto::hash> > key_images_container;
@@ -92,6 +96,7 @@ namespace cryptonote
     epee::critical_section m_transactions_lock;
     transactions_container m_transactions;
     key_images_container m_spent_key_images;
+    epee::math_helper::once_a_time_seconds<30> m_remove_stuck_tx_interval;
 
     //transactions_container m_alternative_transactions;
 
@@ -159,6 +164,7 @@ namespace boost
       ar & td.max_used_block_id;
       ar & td.last_failed_height;
       ar & td.last_failed_id;
+      ar & td.receive_time;
 
     }
   }