Produce OpenAPI document describing CCF's endpoints

CMakeLists.txt

@@ -250,6 +250,11 @@ if(BUILD_TESTS)
       json_schema ${CMAKE_CURRENT_SOURCE_DIR}/src/ds/test/json_schema.cpp
     )
 
+    add_unit_test(
+      openapi_test ${CMAKE_CURRENT_SOURCE_DIR}/src/ds/test/openapi.cpp
+    )
+    target_link_libraries(openapi_test PRIVATE http_parser.host)
+
     add_unit_test(
       logger_json_test
       ${CMAKE_CURRENT_SOURCE_DIR}/src/ds/test/logger_json_test.cpp
@@ -265,7 +270,7 @@ if(BUILD_TESTS)
     )
     use_client_mbedtls(kv_test)
     target_link_libraries(
-      kv_test PRIVATE ${CMAKE_THREAD_LIBS_INIT} secp256k1.host
+      kv_test PRIVATE ${CMAKE_THREAD_LIBS_INIT} secp256k1.host http_parser.host
     )
 
     add_unit_test(
@@ -311,6 +316,7 @@ if(BUILD_TESTS)
     target_include_directories(history_test PRIVATE ${EVERCRYPT_INC})
     target_link_libraries(
       history_test PRIVATE ${CRYPTO_LIBRARY} evercrypt.host secp256k1.host
+                           http_parser.host
     )
 
     add_unit_test(
@@ -330,7 +336,9 @@ if(BUILD_TESTS)
       historical_queries_test
       ${CMAKE_CURRENT_SOURCE_DIR}/src/node/test/historical_queries.cpp
     )
-    target_link_libraries(historical_queries_test PRIVATE secp256k1.host)
+    target_link_libraries(
+      historical_queries_test PRIVATE secp256k1.host http_parser.host
+    )
 
     add_unit_test(
       snapshot_test ${CMAKE_CURRENT_SOURCE_DIR}/src/node/test/snapshot.cpp
@@ -427,7 +435,7 @@ if(BUILD_TESTS)
       ${CMAKE_CURRENT_SOURCE_DIR}/src/lua_interp/test/lua_kv.cpp
     )
     target_include_directories(lua_test PRIVATE ${LUA_DIR})
-    target_link_libraries(lua_test PRIVATE lua.host)
+    target_link_libraries(lua_test PRIVATE lua.host http_parser.host)
 
     add_unit_test(
       merkle_test ${CMAKE_CURRENT_SOURCE_DIR}/src/node/test/merkle_test.cpp

doc/schemas/ack/update_state_digest_POST_result.json

@@ -1,5 +1,4 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
   "properties": {
     "signed_req": {
       "properties": {

doc/schemas/ack_POST_params.json

@@ -1,5 +1,4 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
   "properties": {
     "state_digest": {
       "items": {

doc/schemas/ack_POST_result.json

@@ -1,5 +1,4 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
   "title": "ack/result",
   "type": "boolean"
 }

doc/schemas/api/schema_GET_params.json

@@ -1,5 +1,4 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
   "properties": {
     "method": {
       "type": "string"

doc/schemas/api/schema_GET_result.json

@@ -1,11 +1,10 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
   "properties": {
     "params_schema": {
-      "$ref": "http://json-schema.org/draft-07/schema#"
+      "type": "object"
     },
     "result_schema": {
-      "$ref": "http://json-schema.org/draft-07/schema#"
+      "type": "object"
     }
   },
   "required": [