Merge pull request #1204

7db29d6 print_coinbase_tx_sum now breaks output into fee and emission components (Dion Ahmetaj)
dd6c443 changed params from start/end index to height/count (Dion Ahmetaj)
e95d3f3 attempted to remove whitespace spam (Dion Ahmetaj)
412da63 added print_coinbase_tx_sum option (Dion Ahmetaj)

src/cryptonote_core/cryptonote_core.cpp

@@ -616,6 +616,34 @@ namespace cryptonote
     return true;
   }
   //-----------------------------------------------------------------------------------------------
+  std::pair<uint64_t, uint64_t> core::get_coinbase_tx_sum(const uint64_t start_offset, const uint64_t count)
+  {
+    std::list<block> blocks;
+    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_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);
+      }
+      
+      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
   {
     std::unordered_set<crypto::key_image> ki;

src/cryptonote_core/cryptonote_core.h

@@ -600,6 +600,13 @@ namespace cryptonote
       */
      size_t get_block_sync_size() const { return block_sync_size; }
 
+     /**
+      * @brief get the sum of coinbase tx amounts between blocks
+      *
+      * @return the number of blocks to sync in one go
+      */
+     std::pair<uint64_t, uint64_t> get_coinbase_tx_sum(const uint64_t start_offset, const uint64_t count);
+
    private:
 
      /**