add cleos command for name bidding

contracts/eosio.system/eosio.system.abi

@@ -398,6 +398,15 @@
         {"name":"base", "type":"connector"},
         {"name":"quote", "type":"connector"}
       ]
+    }, {
+       "name": "namebid_info",
+       "base": "",
+       "fields": [
+          {"name":"newname", "type":"account_name"},
+          {"name":"high_bidder", "type":"account_name"},
+          {"name":"high_bid", "type":"int64"},
+          {"name":"last_bid_time", "type":"uint64"}
+       ]
     }
    ],
    "actions": [{
@@ -559,6 +568,12 @@
       "index_type": "i64",
       "key_names" : ["owner"],
       "key_types" : ["uint64"]
+    },{
+       "name": "namebids",
+       "type": "namebid_info",
+       "index_type": "i64",
+       "key_names" : ["newname"],
+       "key_types" : ["account_name"]
     }
    ],
    "ricardian_clauses": [],

programs/cleos/main.cpp

@@ -1133,6 +1133,59 @@ struct undelegate_bandwidth_subcommand {
    }
 };
 
+struct bidname_subcommand {
+   string bidder_str;
+   string newname_str;
+   string bid_amount;
+   bidname_subcommand(CLI::App *actionRoot) {
+      auto bidname = actionRoot->add_subcommand("bidname", localized("Name bidding"));
+      bidname->add_option("bidder", bidder_str, localized("The bidding account"))->required();
+      bidname->add_option("newname", newname_str, localized("The bidding name"))->required();
+      bidname->add_option("bid", bid_amount, localized("The amount of EOS to bid"))->required();
+      add_standard_transaction_options(bidname);
+      bidname->set_callback([this] {
+         fc::variant act_payload = fc::mutable_variant_object()
+                  ("bidder", bidder_str)
+                  ("newname", newname_str)
+                  ("bid", to_asset(bid_amount));
+         send_actions({create_action({permission_level{bidder_str, config::active_name}}, config::system_account_name, N(bidname), act_payload)});
+      });
+   }
+};
+
+struct bidname_info_subcommand {
+   bool print_json = false;
+   string newname_str;
+   bidname_info_subcommand(CLI::App* actionRoot) {
+      auto list_producers = actionRoot->add_subcommand("bidnameinfo", localized("Get bidname info"));
+      list_producers->add_flag("--json,-j", print_json, localized("Output in JSON format"));
+      list_producers->add_option("newname", newname_str, localized("The bidding name"))->required();
+      list_producers->set_callback([this] {
+         auto rawResult = call(get_table_func, fc::mutable_variant_object("json", true)
+                               ("code", "eosio")("scope", "eosio")("table", "namebids")
+                               ("lower_bound", eosio::chain::string_to_name(newname_str.c_str()))("limit", 1));
+         if ( print_json ) {
+            std::cout << fc::json::to_pretty_string(rawResult) << std::endl;
+            return;
+         }
+         auto result = rawResult.as<eosio::chain_apis::read_only::get_table_rows_result>();
+         if ( result.rows.empty() ) {
+            std::cout << "No bidname record found" << std::endl;
+            return;
+         }
+         for ( auto& row : result.rows ) {
+            fc::time_point time(fc::microseconds(row["last_bid_time"].as_uint64()));
+            int64_t bid = row["high_bid"].as_int64();
+            std::cout << std::left << std::setw(18) << "bidname:" << std::right << std::setw(24) << row["newname"].as_string() << "\n"
+                      << std::left << std::setw(18) << "highest bidder:" << std::right << std::setw(24) << row["high_bidder"].as_string() << "\n"
+                      << std::left << std::setw(18) << "highest bid:" << std::right << std::setw(24) << (bid > 0 ? bid : -bid) << "\n"
+                      << std::left << std::setw(18) << "last bid time:" << std::right << std::setw(24) << ((std::string)time).c_str() << std::endl;
+            if (bid < 0) std::cout << "This auction has already closed" << std::endl;
+         }
+      });
+   }
+};
+
 struct list_bw_subcommand {
    eosio::name account;
    bool print_json = false;
@@ -2555,6 +2608,8 @@ int main( int argc, char** argv ) {
    auto delegateBandWidth = delegate_bandwidth_subcommand(system);
    auto undelegateBandWidth = undelegate_bandwidth_subcommand(system);
    auto listBandWidth = list_bw_subcommand(system);
+   auto bidname = bidname_subcommand(system);
+   auto bidnameinfo = bidname_info_subcommand(system);
 
    auto biyram = buyram_subcommand(system);
    auto sellram = sellram_subcommand(system);