[3.2] Add chain api get_consensus_parameters

plugins/chain_api_plugin/chain_api_plugin.cpp

@@ -131,7 +131,8 @@ void chain_api_plugin::plugin_startup() {
       CHAIN_RW_CALL_ASYNC(push_transaction, chain_apis::read_write::push_transaction_results, 202, http_params_types::params_required),
       CHAIN_RW_CALL_ASYNC(push_transactions, chain_apis::read_write::push_transactions_results, 202, http_params_types::params_required),
       CHAIN_RW_CALL_ASYNC(send_transaction, chain_apis::read_write::send_transaction_results, 202, http_params_types::params_required),
-      CHAIN_RW_CALL_ASYNC(send_transaction2, chain_apis::read_write::send_transaction_results, 202, http_params_types::params_required)
+      CHAIN_RW_CALL_ASYNC(send_transaction2, chain_apis::read_write::send_transaction_results, 202, http_params_types::params_required),
+      CHAIN_RO_CALL(get_consensus_parameters, 200, http_params_types::no_params)
    });
 
    if (chain.account_queries_enabled()) {

plugins/chain_plugin/chain_plugin.cpp

@@ -15,7 +15,7 @@
 #include <eosio/chain/deep_mind.hpp>
 #include <eosio/chain_plugin/trx_finality_status_processing.hpp>
 #include <eosio/chain/permission_link_object.hpp>
-
+#include <eosio/chain/global_property_object.hpp>
 #include <eosio/chain/eosio_contract.hpp>
 
 #include <eosio/resource_monitor_plugin/resource_monitor_plugin.hpp>
@@ -2742,6 +2742,16 @@ chain::symbol read_only::extract_core_symbol()const {
    return core_symbol;
 }
 
+read_only::get_consensus_parameters_results
+read_only::get_consensus_parameters(const get_consensus_parameters_params& ) const {
+   get_consensus_parameters_results results;
+
+   results.chain_config = db.get_global_properties().configuration;
+   results.wasm_config = db.get_global_properties().wasm_configuration;
+
+   return results;
+}
+
 } // namespace chain_apis
 
 fc::variant chain_plugin::get_log_trx_trace(const transaction_trace_ptr& trx_trace ) const {

plugins/chain_plugin/include/eosio/chain_plugin/chain_plugin.hpp

@@ -671,6 +671,12 @@ class read_only {
 
    chain::symbol extract_core_symbol()const;
 
+   using get_consensus_parameters_params = empty;
+   struct get_consensus_parameters_results {
+     chain::chain_config        chain_config;
+     chain::wasm_config         wasm_config;
+   };
+   get_consensus_parameters_results get_consensus_parameters(const get_consensus_parameters_params&) const;
 };
 
 class read_write {
@@ -905,4 +911,4 @@ FC_REFLECT( eosio::chain_apis::read_only::get_required_keys_params, (transaction
 FC_REFLECT( eosio::chain_apis::read_only::get_required_keys_result, (required_keys) )
 FC_REFLECT( eosio::chain_apis::read_only::compute_transaction_params, (transaction))
 FC_REFLECT( eosio::chain_apis::read_only::compute_transaction_results, (transaction_id)(processed) )
-
+FC_REFLECT( eosio::chain_apis::read_only::get_consensus_parameters_results, (chain_config)(wasm_config))

plugins/net_api_plugin/net_api_plugin.cpp

@@ -44,7 +44,7 @@ using namespace eosio;
      eosio::detail::net_api_plugin_empty result;
 
 #define INVOKE_V_V(api_handle, call_name) \
-     body = parse_params<std::string, http_params_types::no_params_required>(body); \
+     body = parse_params<std::string, http_params_types::no_params>(body); \
      api_handle.call_name(); \
      eosio::detail::net_api_plugin_empty result;
 

programs/cleos/httpc.hpp

@@ -81,6 +81,7 @@ namespace eosio { namespace client { namespace http {
    const string chain_func_base = "/v1/chain";
    const string get_info_func = chain_func_base + "/get_info";
    const string get_transaction_status_func = chain_func_base + "/get_transaction_status";
+   const string get_consensus_parameters_func = chain_func_base + "/get_consensus_parameters";
    const string send_txn_func = chain_func_base + "/send_transaction";
    const string push_txn_func = chain_func_base + "/push_transaction";
    const string send2_txn_func = chain_func_base + "/send_transaction2";

programs/cleos/main.cpp

@@ -346,6 +346,10 @@ template<>
 fc::variant call( const std::string& url,
                   const std::string& path) { return call( url, path, fc::variant() ); }
 
+eosio::chain_apis::read_only::get_consensus_parameters_results get_consensus_parameters() {
+   return call(url, get_consensus_parameters_func).as<eosio::chain_apis::read_only::get_consensus_parameters_results>();
+}
+
 eosio::chain_apis::read_only::get_info_results get_info() {
    return call(url, get_info_func).as<eosio::chain_apis::read_only::get_info_results>();
 }
@@ -2796,6 +2800,11 @@ int main( int argc, char** argv ) {
       std::cout << fc::json::to_pretty_string(call(get_transaction_status_func, arg)) << std::endl;
    });
 
+   // get consensus parameters
+   get->add_subcommand("consensus_parameters", localized("Get current blockchain consensus parameters"))->callback([] {
+      std::cout << fc::json::to_pretty_string(get_consensus_parameters()) << std::endl;
+   });
+
    // get block
    string blockArg;
    bool get_bhs = false;