Added 404 page and fixed 405 for GET method in jsonRPC endpoint

config/static_config.yaml

@@ -352,7 +352,7 @@ components_manager:
     #
     handler-JsonRpc:
       path: /api/v2/jsonRPC
-      method: POST
+      method: GET,POST
       logger: api-v2-jsonrpc
       port: $server_port
       port#fallback: 8081
@@ -372,6 +372,7 @@ components_manager:
     handler-static:
       fs-cache-component: fs-cache-main
       path: /api/v2/*
+      not-found-file: /404.json
       method: GET
 
     #

ton-http-api/src/handlers/JsonRpcHandler.cpp

@@ -21,6 +21,9 @@ std::string JsonRpcHandler::HandleRequestThrow(
   const HttpRequest& request, RequestContext&
 ) const {
   try {
+    if (request.GetMethod() == userver::server::http::HttpMethod::kGet) {
+      throw utils::TonlibException("method GET is not supported", 405);
+    }
     auto request_json = userver::formats::json::FromString(request.RequestBody());
     auto method = request_json["method"].As<std::string>();
     userver::formats::json::Value params = userver::formats::json::MakeObject();

ton-http-api/static/404.json

@@ -0,0 +1 @@
+{"ok":false,"error":"Not Found","code":404,"@extra":"_"}