fee per kB added to transaction pool

https://github.com/moneroexamples/onion-monero-blockchain-explorer/issues/107

src/MempoolStatus.cpp

@@ -169,7 +169,7 @@ MempoolStatus::read_mempool()
         last_tx.num_nonrct_inputs = sum_data[3];
 
         last_tx.fee_str          = xmreg::xmr_amount_to_str(_tx_info.fee, "{:0.3f}", false);
-        last_tx.payed_for_kB_str = fmt::format("{:0.3f}", payed_for_kB);
+        last_tx.payed_for_kB_str = fmt::format("{:0.4f}", payed_for_kB);
         last_tx.xmr_inputs_str   = xmreg::xmr_amount_to_str(last_tx.sum_inputs , "{:0.3f}");
         last_tx.xmr_outputs_str  = xmreg::xmr_amount_to_str(last_tx.sum_outputs, "{:0.3f}");
         last_tx.timestamp_str    = xmreg::timestamp_to_str_gm(_tx_info.receive_time);

src/page.h

@@ -5573,6 +5573,10 @@ namespace xmreg
             // use this regex to remove all non friendly characters in payment_id_as_ascii string
             static std::regex e {"[^a-zA-Z0-9 ./\\\\!]"};
 
+            double tx_size = static_cast<double>(txd.size) / 1024.0;
+
+            double payed_for_kB = XMR_AMOUNT(txd.fee) / tx_size;
+
             // initalise page tempate map with basic info about blockchain
             mstch::map context {
                     {"testnet"               , testnet},
@@ -5582,9 +5586,9 @@ namespace xmreg
                     {"tx_pub_key"            , pod_to_hex(txd.pk)},
                     {"blk_height"            , tx_blk_height_str},
                     {"tx_blk_height"         , tx_blk_height},
-                    {"tx_size"               , fmt::format("{:0.4f}",
-                                                           static_cast<double>(txd.size) / 1024.0)},
+                    {"tx_size"               , fmt::format("{:0.4f}", tx_size)},
                     {"tx_fee"                , xmreg::xmr_amount_to_str(txd.fee, "{:0.12f}", false)},
+                    {"payed_for_kB"          , fmt::format("{:0.12f}", payed_for_kB)},
                     {"tx_version"            , static_cast<uint64_t>(txd.version)},
                     {"blk_timestamp"         , blk_timestamp},
                     {"blk_timestamp_uint"    , blk.timestamp},

src/templates/mempool.html

@@ -8,8 +8,8 @@
             <tr>
                 <td>age [h:m:s]</td>
                 <td>transaction hash</td>
-                <td>fee</td>
-                <td>outputs</td>
+                <td>fee/per_kB</td>
+                <!--<td>outputs</td>-->
                 <td>in/out/pID</td>
                 <td>ring size</td>
                 <td>tx size [kB]</td>
@@ -18,8 +18,8 @@
             <tr>
                 <td>{{age}}</td>
                 <td><a href="/tx/{{hash}}">{{hash}}</a></td>
-                <td>{{fee}}</td>
-                <td>{{xmr_outputs}}</td>
+                <td>{{fee}}/{{payed_for_kB}}</td>
+                <!--<td>{{xmr_outputs}}</td>-->
                 <td>{{no_inputs}}/{{no_outputs}}/{{pID}}</td>
                 <td>{{mixin}}</td>
                 <td>{{txsize}}</td>

src/templates/partials/tx_details.html

@@ -38,7 +38,7 @@
         {{/have_raw_tx}}
         <tr>
             <td>Block: <a href="/block/{{blk_height}}">{{blk_height}}</a></td>
-            <td>Fee: {{tx_fee}}</td>
+            <td>Fee (per_kB): {{tx_fee}} ({{payed_for_kB}})</td>
             <td>Tx size: {{tx_size}} kB</td>
         </tr>
         <tr>