print_coinbase_tx_sum now breaks output into fee and emission components

src/cryptonote_core/cryptonote_core.cpp

@@ -616,18 +616,32 @@ namespace cryptonote
     return true;
   }
   //-----------------------------------------------------------------------------------------------
-  uint64_t core::get_coinbase_tx_sum(const uint64_t start_offset, const uint64_t count)
+  std::pair<uint64_t, uint64_t> core::get_coinbase_tx_sum(const uint64_t start_offset, const uint64_t count)
   {
     std::list<block> blocks;
-    uint64_t coinbase_tx_sum = 0;
-    uint64_t current_index = start_offset;
+    std::list<transaction> txs;
+    std::list<crypto::hash> missed_txs;
+    uint64_t coinbase_amount = 0;
+    uint64_t emission_amount = 0;
+    uint64_t total_fee_amount = 0;
+    uint64_t tx_fee_amount = 0;
     this->get_blocks(start_offset, count, blocks);
     BOOST_FOREACH(auto& b, blocks)
     {
-        coinbase_tx_sum += get_outs_money_amount(b.miner_tx);
+      coinbase_amount = get_outs_money_amount(b.miner_tx);
+      this->get_transactions(b.tx_hashes, txs, missed_txs);      
+      BOOST_FOREACH(const auto& tx, txs)
+      {
+        tx_fee_amount += get_tx_fee(tx);
       }
       
-    return coinbase_tx_sum;
+      emission_amount += coinbase_amount - tx_fee_amount;
+      total_fee_amount += tx_fee_amount;
+      coinbase_amount = 0;
+      tx_fee_amount = 0;
+    }
+
+    return std::pair<uint64_t, uint64_t>(emission_amount, total_fee_amount);
   }
   //-----------------------------------------------------------------------------------------------
   bool core::check_tx_inputs_keyimages_diff(const transaction& tx) const

src/cryptonote_core/cryptonote_core.h

@@ -605,7 +605,7 @@ namespace cryptonote
       *
       * @return the number of blocks to sync in one go
       */
-     uint64_t get_coinbase_tx_sum(const uint64_t start_offset, const uint64_t count);
+     std::pair<uint64_t, uint64_t> get_coinbase_tx_sum(const uint64_t start_offset, const uint64_t count);
 
    private:
 

src/daemon/rpc_command_executor.cpp

@@ -1299,7 +1299,9 @@ bool t_rpc_command_executor::print_coinbase_tx_sum(uint64_t height, uint64_t cou
 
   tools::msg_writer() << "Sum of coinbase transactions between block heights ["
     << height << ", " << (height + count) << ") is "
-    << cryptonote::print_money(res.amount);
+    << cryptonote::print_money(res.emission_amount + res.fee_amount) << " "
+    << "consisting of " << cryptonote::print_money(res.emission_amount) 
+    << " in emissions, and " << cryptonote::print_money(res.fee_amount) << " in fees";
   return true;
 }
 

src/rpc/core_rpc_server.cpp

@@ -1268,7 +1268,9 @@ namespace cryptonote
   //------------------------------------------------------------------------------------------------------------------------------
   bool core_rpc_server::on_get_coinbase_tx_sum(const COMMAND_RPC_GET_COINBASE_TX_SUM::request& req, COMMAND_RPC_GET_COINBASE_TX_SUM::response& res, epee::json_rpc::error& error_resp)
   {
-    res.amount = m_core.get_coinbase_tx_sum(req.height, req.count);
+    std::pair<uint64_t, uint64_t> amounts = m_core.get_coinbase_tx_sum(req.height, req.count);
+    res.emission_amount = amounts.first;
+    res.fee_amount = amounts.second;
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------

src/rpc/core_rpc_server_commands_defs.h

@@ -1243,11 +1243,13 @@ namespace cryptonote
     struct response
     {
       std::string status;
-      uint64_t amount;
+      uint64_t emission_amount;
+      uint64_t fee_amount;
 
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(status)
-        KV_SERIALIZE(amount)
+        KV_SERIALIZE(emission_amount)
+        KV_SERIALIZE(fee_amount)
       END_KV_SERIALIZE_MAP()
     };
   };