--enable-as-hex option added

main.cpp

@@ -64,6 +64,7 @@ main(int ac, const char* av[])
     auto enable_js_opt                 = opts.get_option<bool>("enable-js");
     auto enable_mixin_details_opt      = opts.get_option<bool>("enable-mixin-details");
     auto enable_json_api_opt           = opts.get_option<bool>("enable-json-api");
+    auto enable_as_hex_opt             = opts.get_option<bool>("enable-as-hex");
     auto enable_tx_cache_opt           = opts.get_option<bool>("enable-tx-cache");
     auto enable_block_cache_opt        = opts.get_option<bool>("enable-block-cache");
     auto show_cache_times_opt          = opts.get_option<bool>("show-cache-times");
@@ -91,6 +92,7 @@ main(int ac, const char* av[])
     bool enable_output_key_checker    {*enable_output_key_checker_opt};
     bool enable_mixin_details         {*enable_mixin_details_opt};
     bool enable_json_api              {*enable_json_api_opt};
+    bool enable_as_hex                {*enable_as_hex_opt};
     bool enable_tx_cache              {*enable_tx_cache_opt};
     bool enable_block_cache           {*enable_block_cache_opt};
     bool enable_emission_monitor      {*enable_emission_monitor_opt};
@@ -262,6 +264,7 @@ main(int ac, const char* av[])
                           nettype,
                           enable_pusher,
                           enable_js,
+                          enable_as_hex,
                           enable_key_image_checker,
                           enable_output_key_checker,
                           enable_autorefresh_option,
@@ -309,10 +312,18 @@ main(int ac, const char* av[])
         return crow::response(xmrblocks.show_tx(remove_bad_chars(tx_hash)));
     });
 
-    CROW_ROUTE(app, "/txhex/<string>")
+    if (enable_as_hex)
-    ([&](const crow::request& req, string tx_hash) {
+    {
-        return crow::response(xmrblocks.show_tx_hex(remove_bad_chars(tx_hash)));
+        CROW_ROUTE(app, "/txhex/<string>")
-    });
+        ([&](const crow::request& req, string tx_hash) {
+            return crow::response(xmrblocks.show_tx_hex(remove_bad_chars(tx_hash)));
+        });
+
+        CROW_ROUTE(app, "/blockhex/<uint>")
+        ([&](const crow::request& req, size_t block_height) {
+            return crow::response(xmrblocks.show_block_hex(block_height));
+        });
+    }
 
     CROW_ROUTE(app, "/tx/<string>/<uint>")
     ([&](string tx_hash, uint16_t with_ring_signatures)

src/CmdLineOptions.cpp

@@ -45,6 +45,8 @@ namespace xmreg
                  "enable caching of block details")
                 ("enable-js", value<bool>()->default_value(false)->implicit_value(true),
                  "enable checking outputs and proving txs using JavaScript on client side")
+                ("enable-as-hex", value<bool>()->default_value(false)->implicit_value(true),
+                 "enable links to provide hex represtations of a tx and a block")
                 ("enable-autorefresh-option", value<bool>()->default_value(false)->implicit_value(true),
                  "enable users to have the index page on autorefresh")
                 ("enable-emission-monitor", value<bool>()->default_value(false)->implicit_value(true),

src/page.h

@@ -365,6 +365,7 @@ class page
     bool enable_mixins_details;
     bool enable_tx_cache;
     bool enable_block_cache;
+    bool enable_as_hex;
     bool show_cache_times;
 
 
@@ -415,6 +416,7 @@ public:
          cryptonote::network_type _nettype,
          bool _enable_pusher,
          bool _enable_js,
+         bool _enable_as_hex,
          bool _enable_key_image_checker,
          bool _enable_output_key_checker,
          bool _enable_autorefresh_option,
@@ -434,6 +436,7 @@ public:
               nettype {_nettype},
               enable_pusher {_enable_pusher},
               enable_js {_enable_js},
+              enable_as_hex {_enable_as_hex},
               enable_key_image_checker {_enable_key_image_checker},
               enable_output_key_checker {_enable_output_key_checker},
               enable_autorefresh_option {_enable_autorefresh_option},
@@ -1253,11 +1256,12 @@ public:
                 {"blk_timestamp_epoch"  , blk.timestamp},
                 {"prev_hash"            , prev_hash_str},
                 {"next_hash"            , next_hash_str},
+                {"enable_as_hex"        , enable_as_hex},
                 {"have_next_hash"       , have_next_hash},
                 {"have_prev_hash"       , have_prev_hash},
                 {"have_txs"             , have_txs},
                 {"no_txs"               , std::to_string(
-                        blk.tx_hashes.size())},
+                                             blk.tx_hashes.size())},
                 {"blk_age"              , age.first},
                 {"delta_time"           , delta_time},
                 {"blk_nonce"            , blk.nonce},
@@ -1637,6 +1641,31 @@ public:
         }        
     }
 
+    string
+    show_block_hex(size_t block_height)
+    {
+
+        // get transaction
+        block blk;
+
+        if (!mcore->get_block_by_height(block_height, blk))
+        {
+            cerr << "Cant get block in blockchain: " << block_height
+                 << ". \n Check mempool now\n";
+        }
+
+        try
+        {
+            return epee::string_tools::buff_to_hex_nodelimer(
+                        t_serializable_object_to_blob(blk));
+        }
+        catch (std::exception const& e)
+        {
+            cerr << e.what() << endl;
+            return string {"Failed to obtain hex of a block due to: "} + e.what();
+        }  
+    }
+
     string
     show_my_outputs(string tx_hash_str,
                     string xmr_address_str,
@@ -6063,6 +6092,7 @@ private:
         context["inputs_xmr_sum"]           = xmreg::xmr_amount_to_str(inputs_xmr_sum);
         context["server_time"]              = server_time_str;
         context["enable_mixins_details"]    = detailed_view;
+        context["enable_as_hex"]            = enable_as_hex;
         context["show_part_of_inputs"]      = show_part_of_inputs;
         context["max_no_of_inputs_to_show"] = max_no_of_inputs_to_show;
 

src/templates/block.html

@@ -84,4 +84,11 @@
         </table>
     {{/have_txs}}    
 
+
+    {{#enable_as_hex}}
+        <h5 style="margin-top:1px">
+            <a href="/blockhex/{{blk_height}}">Block as hex</a>
+        </h5>
+    {{/enable_as_hex}}
+
 </div>

src/templates/partials/tx_details.html

@@ -533,7 +533,9 @@
         {{#show_more_details_link}}
             <h5 style="margin-top:1px">
                 <a href="/tx/{{tx_hash}}/1">More details</a>
-                | <a href="/txhex/{{tx_hash}}">As hex</a>
+                {{#enable_as_hex}}
+                    | <a href="/txhex/{{tx_hash}}">Tx as hex</a>
+                {{/enable_as_hex}}
             </h5>
         {{/show_more_details_link}}
     {{/with_ring_signatures}}