develop version of "Account Query DB : maintain get_(key|controlled)_accounts"

plugins/chain_api_plugin/chain.swagger.yaml

@@ -680,3 +680,63 @@ paths:
                   more:
                     type: integer
                     description: "In case there's more activated protocol features than the input parameter `limit` requested, returns the ordinal of the next activated protocol feature which was not returned, otherwise zero."
+ /get_accounts_by_authorizers:
+    post:
+      description: Given a set of account names and public keys, find all account permission authorities that are, in part or whole, satisfiable
+      operationId: get_accounts_by_authorizers
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                accounts:
+                  type: array
+                  description: List of authorizing accounts and/or actor/permissions
+                  items:
+                    anyOf:
+                      - $ref: "https://eosio.github.io/schemata/v2.0/oas/Name.yaml"
+                      - $ref: "https://eosio.github.io/schemata/v2.0/oas/Authority.yaml"
+                keys:
+                  type: array
+                  description: List of authorizing keys
+                  items:
+                    $ref: "https://eosio.github.io/schemata/v2.0/oas/PublicKey.yaml"
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+                description: Result containing a list of accounts which are authorized, in whole or part, by the provided accounts and keys
+                required:
+                  - accounts
+                properties:
+                  accounts:
+                    type: array
+                    description: An array of each account,permission,authorizing-data triplet in the response
+                    items:
+                      type: object
+                      description: the information for a single account,permission,authorizing-data triplet
+                      required:
+                        - account_name
+                        - permission_name
+                        - authorizer
+                        - weight
+                        - threshold
+                      properties:
+                        account_name:
+                          $ref: "https://eosio.github.io/schemata/v2.0/oas/Name.yaml"
+                        permission_name:
+                          $ref: "https://eosio.github.io/schemata/v2.0/oas/Name.yaml"
+                        authorizer:
+                          oneOf:
+                            - $ref: "https://eosio.github.io/schemata/v2.0/oas/PublicKey.yaml"
+                            - $ref: "https://eosio.github.io/schemata/v2.0/oas/Authority.yaml"
+                        weight:
+                          type: "integer"
+                          description: the weight that this authorizer adds to satisfy the permission
+                        threshold:
+                          type: "integer"
+                          description: the sum of weights that must be met or exceeded to satisfy the permission

plugins/chain_api_plugin/chain_api_plugin.cpp

@@ -31,6 +31,23 @@ struct async_result_visitor : public fc::visitor<fc::variant> {
    }
 };
 
+namespace {
+   template<typename T>
+   T parse_params(const std::string& body) {
+      if (body.empty()) {
+         EOS_THROW(chain::invalid_http_request, "A Request body is required");
+      }
+
+      try {
+        try {
+           return fc::json::from_string(body).as<T>();
+        } catch (const chain::chain_exception& e) { // EOS_RETHROW_EXCEPTIONS does not re-type these so, re-code it
+          throw fc::exception(e);
+        }
+      } EOS_RETHROW_EXCEPTIONS(chain::invalid_http_request, "Unable to parse valid input from POST body");
+   }
+}
+
 #define CALL_WITH_400(api_name, api_handle, api_namespace, call_name, http_response_code, params_type) \
 {std::string("/v1/" #api_name "/" #call_name), \
    [api_handle](string, string body, url_response_callback cb) mutable { \
@@ -73,12 +90,17 @@ struct async_result_visitor : public fc::visitor<fc::variant> {
 #define CHAIN_RO_CALL_ASYNC(call_name, call_result, http_response_code, params_type) CALL_ASYNC_WITH_400(chain, ro_api, chain_apis::read_only, call_name, call_result, http_response_code, params_type)
 #define CHAIN_RW_CALL_ASYNC(call_name, call_result, http_response_code, params_type) CALL_ASYNC_WITH_400(chain, rw_api, chain_apis::read_write, call_name, call_result, http_response_code, params_type)
 
+#define CHAIN_RO_CALL_WITH_400(call_name, http_response_code, params_type) CALL_WITH_400(chain, ro_api, chain_apis::read_only, call_name, http_response_code, params_type)
+
+
+
 void chain_api_plugin::plugin_startup() {
    ilog( "starting chain_api_plugin" );
    my.reset(new chain_api_plugin_impl(app().get_plugin<chain_plugin>().chain()));
-   auto ro_api = app().get_plugin<chain_plugin>().get_read_only_api();
-   auto rw_api = app().get_plugin<chain_plugin>().get_read_write_api();
-
+   auto& chain = app().get_plugin<chain_plugin>();
+   auto ro_api = chain.get_read_only_api();
+   auto rw_api = chain.get_read_write_api();
+
    auto& _http_plugin = app().get_plugin<http_plugin>();
    ro_api.set_shorten_abi_errors( !_http_plugin.verbose_errors() );
 
@@ -111,6 +133,12 @@ void chain_api_plugin::plugin_startup() {
       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)
    });
+
+   if (chain.account_queries_enabled()) {
+      _http_plugin.add_async_api({
+         CHAIN_RO_CALL_WITH_400(get_accounts_by_authorizers, 200, http_params_types::params_required),
+      });
+   }
 }
 
 void chain_api_plugin::plugin_shutdown() {}

plugins/chain_plugin/CMakeLists.txt

@@ -1,5 +1,6 @@
 file(GLOB HEADERS "include/eosio/chain_plugin/*.hpp")
 add_library( chain_plugin
+             account_query_db.cpp
              chain_plugin.cpp
              ${HEADERS} )
 
@@ -10,3 +11,5 @@ endif()
 
 target_link_libraries( chain_plugin eosio_chain appbase resource_monitor_plugin )
 target_include_directories( chain_plugin PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include" "${CMAKE_CURRENT_SOURCE_DIR}/../chain_interface/include" "${CMAKE_CURRENT_SOURCE_DIR}/../../libraries/appbase/include" "${CMAKE_CURRENT_SOURCE_DIR}/../resource_monitor_plugin/include")
+
+add_subdirectory( test )