Merge pull request #2349

1914c999 txpool: update db tx metadata when it changes (moneromooo)
4dbf29bd txpool: add tx size median to the pool stats (moneromooo)

src/cryptonote_core/tx_pool.cpp

@@ -571,7 +571,10 @@ namespace cryptonote
     const uint64_t now = time(NULL);
     std::map<uint64_t, txpool_histo> agebytes;
     stats.txs_total = m_blockchain.get_txpool_tx_count();
-    m_blockchain.for_all_txpool_txes([&stats, now, &agebytes](const crypto::hash &txid, const txpool_tx_meta_t &meta, const cryptonote::blobdata *bd){
+    std::vector<uint32_t> sizes;
+    sizes.reserve(stats.txs_total);
+    m_blockchain.for_all_txpool_txes([&stats, &sizes, now, &agebytes](const crypto::hash &txid, const txpool_tx_meta_t &meta, const cryptonote::blobdata *bd){
+      sizes.push_back(meta.blob_size);
       stats.bytes_total += meta.blob_size;
       if (!stats.bytes_min || meta.blob_size < stats.bytes_min)
         stats.bytes_min = meta.blob_size;
@@ -591,6 +594,7 @@ namespace cryptonote
       agebytes[age].bytes += meta.blob_size;
       return true;
     });
+    stats.bytes_med = epee::misc_utils::median(sizes);
     if (stats.txs_total > 1)
     {
       /* looking for 98th percentile */
@@ -916,7 +920,21 @@ namespace cryptonote
       // Skip transactions that are not ready to be
       // included into the blockchain or that are
       // missing key images
-      if (!is_transaction_ready_to_go(meta, tx))
+      const cryptonote::txpool_tx_meta_t original_meta = meta;
+      bool ready = is_transaction_ready_to_go(meta, tx);
+      if (memcmp(&original_meta, &meta, sizeof(meta)))
+      {
+        try
+	{
+	  m_blockchain.update_txpool_tx(sorted_it->second, meta);
+	}
+        catch (const std::exception &e)
+	{
+	  MERROR("Failed to update tx meta: " << e.what());
+	  // continue, not fatal
+	}
+      }
+      if (!ready)
       {
         LOG_PRINT_L2("  not ready to go");
         sorted_it++;

src/daemon/rpc_command_executor.cpp

@@ -974,7 +974,7 @@ bool t_rpc_command_executor::print_transaction_pool_stats() {
     backlog_message = (boost::format("estimated %u block (%u minutes) backlog") % backlog % (backlog * DIFFICULTY_TARGET_V2 / 60)).str();
   }
 
-  tools::msg_writer() << n_transactions << " tx(es), " << res.pool_stats.bytes_total << " bytes total (min " << res.pool_stats.bytes_min << ", max " << res.pool_stats.bytes_max << ", avg " << avg_bytes << ")" << std::endl
+  tools::msg_writer() << n_transactions << " tx(es), " << res.pool_stats.bytes_total << " bytes total (min " << res.pool_stats.bytes_min << ", max " << res.pool_stats.bytes_max << ", avg " << avg_bytes << ", median " << res.pool_stats.bytes_med << ")" << std::endl
       << "fees " << cryptonote::print_money(res.pool_stats.fee_total) << " (avg " << cryptonote::print_money(n_transactions ? res.pool_stats.fee_total / n_transactions : 0) << " per tx" << ", " << cryptonote::print_money(res.pool_stats.bytes_total ? res.pool_stats.fee_total / res.pool_stats.bytes_total : 0) << " per byte)" << std::endl
       << res.pool_stats.num_not_relayed << " not relayed, " << res.pool_stats.num_failing << " failing, " << res.pool_stats.num_10m << " older than 10 minutes (oldest " << (res.pool_stats.oldest == 0 ? "-" : get_human_time_ago(res.pool_stats.oldest, now)) << "), " << backlog_message;
 

src/rpc/core_rpc_server_commands_defs.h

@@ -1114,6 +1114,7 @@ namespace cryptonote
     uint64_t bytes_total;
     uint32_t bytes_min;
     uint32_t bytes_max;
+    uint32_t bytes_med;
     uint64_t fee_total;
     uint64_t oldest;
     uint32_t txs_total;
@@ -1127,6 +1128,7 @@ namespace cryptonote
       KV_SERIALIZE(bytes_total)
       KV_SERIALIZE(bytes_min)
       KV_SERIALIZE(bytes_max)
+      KV_SERIALIZE(bytes_med)
       KV_SERIALIZE(fee_total)
       KV_SERIALIZE(oldest)
       KV_SERIALIZE(txs_total)