feat: too big res usage (#4630)

Signed-off-by: Mariusz Jasuwienas <[email protected]>

Author: jasuwienas

packages/server/src/compliance.ts

@@ -29,7 +29,7 @@ export const INVALID_METHOD_RESPONSE_BODY = {
 const makeSureBodyExistsAndCanBeChecked = (ctx: IResponseContext) => {
   if (!ctx.body) {
     ctx.status = 400;
-    ctx.body = FALLBACK_RESPONSE_BODY;
+    ctx.body = { ...FALLBACK_RESPONSE_BODY };
     return false;
   }
 
@@ -40,11 +40,11 @@ const makeSureBodyExistsAndCanBeChecked = (ctx: IResponseContext) => {
 
   if (typeof ctx.body !== 'object') {
     ctx.status = 400;
-    ctx.body = FALLBACK_RESPONSE_BODY;
+    ctx.body = { ...FALLBACK_RESPONSE_BODY };
     return false;
   }
-  ctx.body.jsonrpc ||= FALLBACK_RESPONSE_BODY.jsonrpc;
-  ctx.body.id ||= FALLBACK_RESPONSE_BODY.id;
+  if (!ctx.body.jsonrpc) ctx.body.jsonrpc = FALLBACK_RESPONSE_BODY.jsonrpc;
+  if (!ctx.body.id) ctx.body.id = FALLBACK_RESPONSE_BODY.id;
 
   return true;
 };
@@ -59,7 +59,7 @@ const makeSureBodyExistsAndCanBeChecked = (ctx: IResponseContext) => {
 export const jsonRpcComplianceLayer = (ctx: IResponseContext & ParameterizedContext) => {
   if (!makeSureBodyExistsAndCanBeChecked(ctx)) return;
   if (ctx.status === 400) {
-    if (!ctx.body.error || !ctx.body.error.code) ctx.body.error = FALLBACK_RESPONSE_BODY.error;
+    if (!ctx.body.error?.code) ctx.body.error = FALLBACK_RESPONSE_BODY.error;
     if (VALID_JSON_RPC_HTTP_REQUESTS_STATUS_CODE) ctx.status = 200;
   }
 };