fix(server/http): graphql server compliance issues (#4507)

* fix(server/http): graphql server compliance issues

Author: YassinEldeeb

.gitignore

@@ -28,3 +28,7 @@ lcov.info
 # Built solidity contracts.
 /tests/**/bin
 /tests/**/truffle_output
+
+# Docker volumes and debug logs
+.postgres
+logfile

docker/docker-compose.yml

@@ -28,7 +28,7 @@ services:
     volumes:
       - ./data/ipfs:/data/ipfs
   postgres:
-    image: postgres
+    image: postgres:14
     ports:
       - '5432:5432'
     command:

graph/src/data/query/result.rs

@@ -190,8 +190,10 @@ impl QueryResults {
 
     pub fn as_http_response<T: From<String>>(&self) -> http::Response<T> {
         let status_code = http::StatusCode::OK;
+
         let json =
             serde_json::to_string(self).expect("Failed to serialize GraphQL response to JSON");
+
         http::Response::builder()
             .status(status_code)
             .header(ACCESS_CONTROL_ALLOW_ORIGIN, "*")

server/http/src/server.rs

@@ -1,11 +1,12 @@
 use std::net::{Ipv4Addr, SocketAddrV4};
 
+use futures::future::Future;
 use hyper::service::make_service_fn;
 use hyper::Server;
+use thiserror::Error;
 
 use crate::service::GraphQLService;
-use graph::prelude::{GraphQLServer as GraphQLServerTrait, *};
-use thiserror::Error;
+use graph::prelude::{GraphQLServer as GraphQLServerTrait, GraphQlRunner, *};
 
 /// Errors that may occur when starting the server.
 #[derive(Debug, Error)]
@@ -66,12 +67,14 @@ where
         let graphql_runner = self.graphql_runner.clone();
         let node_id = self.node_id.clone();
         let new_service = make_service_fn(move |_| {
-            futures03::future::ok::<_, Error>(GraphQLService::new(
+            let graphql_service = GraphQLService::new(
                 logger_for_service.clone(),
                 graphql_runner.clone(),
                 ws_port,
                 node_id.clone(),
-            ))
+            );
+
+            futures03::future::ok::<_, Error>(graphql_service)
         });
 
         // Create a task to run the server and handle HTTP requests