Cleaner access to transaction pool info

src/cryptonote_core/cryptonote_core.cpp

@@ -502,9 +502,9 @@ namespace cryptonote
     return m_mempool.print_pool(short_format);
   }
   //-----------------------------------------------------------------------------------------------
-  void core::each_transaction(std::function<void (crypto::hash const &, tx_memory_pool::tx_details const &)> callback)
+  std::vector<tx_info> core::transaction_pool_info()
   {
-    m_mempool.each_transaction(callback);
+    return m_mempool.pool_info();
   }
   //-----------------------------------------------------------------------------------------------
   bool core::update_miner_block_template()

src/cryptonote_core/cryptonote_core.h

@@ -17,6 +17,7 @@
 #include "cryptonote_core/cryptonote_stat_info.h"
 #include "warnings.h"
 #include "crypto/hash.h"
+#include "rpc/tx_info.h"
 
 PUSH_WARNINGS
 DISABLE_VS_WARNINGS(4355)
@@ -88,7 +89,7 @@ namespace cryptonote
      void print_blockchain(uint64_t start_index, uint64_t end_index);
      void print_blockchain_index();
      std::string print_pool(bool short_format);
-     void each_transaction(std::function<void (crypto::hash const &, tx_memory_pool::tx_details const &)> callback);
+     std::vector<tx_info> transaction_pool_info();
 
      void print_blockchain_outs(const std::string& file);
      void on_synchronized();

src/cryptonote_core/tx_pool.cpp

@@ -17,6 +17,7 @@
 #include "misc_language.h"
 #include "warnings.h"
 #include "crypto/hash.h"
+#include "string_tools.h"
 
 DISABLE_VS_WARNINGS(4244 4345 4503) //'boost::foreach_detail_::or_' : decorated name length exceeded, name was truncated
 
@@ -374,15 +375,29 @@ namespace cryptonote
     return ss.str();
   }
   //---------------------------------------------------------------------------------
-  void tx_memory_pool::each_transaction(std::function<void (crypto::hash const &, tx_details const &)> callback)
+  std::vector<tx_info> tx_memory_pool::pool_info()
   {
     CRITICAL_REGION_LOCAL(m_transactions_lock);
+
+    std::vector<tx_info> result;
     BOOST_FOREACH(transactions_container::value_type& txe,  m_transactions)
     {
       auto & id = txe.first;
       auto & details = txe.second;
-      callback(id, details);
+      result.emplace_back(
+          epee::string_tools::pod_to_hex(id)
+        , obj_to_json_str(details.tx)
+        , details.blob_size
+        , details.fee
+        , epee::string_tools::pod_to_hex(details.max_used_block_id)
+        , details.max_used_block_height
+        , details.kept_by_block
+        , details.last_failed_height
+        , epee::string_tools::pod_to_hex(details.last_failed_id)
+        , details.receive_time
+        );
     }
+    return result;
   }
   //---------------------------------------------------------------------------------
   bool tx_memory_pool::fill_block_template(block &bl, size_t median_size, uint64_t already_generated_coins, size_t &total_size, uint64_t &fee)

src/cryptonote_core/tx_pool.h

@@ -18,6 +18,7 @@
 #include "cryptonote_basic_impl.h"
 #include "verification_context.h"
 #include "crypto/hash.h"
+#include "rpc/tx_info.h"
 
 
 namespace cryptonote
@@ -73,7 +74,7 @@ namespace cryptonote
     bool have_key_images(const std::unordered_set<crypto::key_image>& kic, const transaction& tx);
     bool append_key_images(std::unordered_set<crypto::key_image>& kic, const transaction& tx);
     std::string print_pool(bool short_format);
-    void each_transaction(std::function<void (crypto::hash const &, tx_details const &)> callback);
+    std::vector<tx_info> pool_info();
 
     /*bool flush_pool(const std::strig& folder);
     bool inflate_pool(const std::strig& folder);*/

src/rpc/core_rpc_server.cpp

@@ -365,20 +365,7 @@ namespace cryptonote
   bool core_rpc_server::on_get_transaction_pool(const COMMAND_RPC_GET_TRANSACTION_POOL::request& req, COMMAND_RPC_GET_TRANSACTION_POOL::response& res, connection_context& cntx)
   {
     CHECK_CORE_BUSY();
-    m_core.each_transaction([&res](crypto::hash const & id, tx_memory_pool::tx_details const & details) {
-        res.transactions.emplace_back(
-            string_tools::pod_to_hex(id)
-          , obj_to_json_str(const_cast<transaction &>(details.tx)) // The serialization macros do not handle const correctness
-          , details.blob_size
-          , details.fee
-          , string_tools::pod_to_hex(details.max_used_block_id)
-          , details.max_used_block_height
-          , details.kept_by_block
-          , details.last_failed_height
-          , string_tools::pod_to_hex(details.last_failed_id)
-          , details.receive_time
-          );
-      });
+    res.transactions = m_core.transaction_pool_info();
     res.status = CORE_RPC_STATUS_OK;
     return true;
   }