Pull request: 3772 cache upstreams

Merge in DNS/adguard-home from 3772-cache-upstreams to master

Updates #3772.

Squashed commit of the following:

commit 809e874fe8847fdbd7f8a7221f18393509f41339
Merge: 5774798c 2d328ea8
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Dec 7 17:15:59 2021 +0300

    Merge branch 'master' into 3772-cache-upstreams

commit 5774798ce1897bf292be49410794ce06cd084f93
Author: Ildar Kamalov <ik@adguard.com>
Date:   Tue Dec 7 16:48:38 2021 +0300

    client: fix formatting

commit 4b4bb668c762c9b4d47cf40a007f34fe47a6e260
Author: Ildar Kamalov <ik@adguard.com>
Date:   Tue Dec 7 16:47:18 2021 +0300

    client: remove comment

commit a2a9f904a6ab52194bb811a2a83967660a25f2cc
Author: Ildar Kamalov <ik@adguard.com>
Date:   Tue Dec 7 16:45:31 2021 +0300

    client: handle cached upstream

commit a56804c4910da838cb10c8ef0af2a525e9722b1c
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Nov 26 15:33:43 2021 +0300

    querylog: rm todo

commit 16c0a62ad2dfc7fcb5a6adbc868b296b7840fd27
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Nov 26 15:31:53 2021 +0300

    all: revise log of changes

commit 9f4b793205f17b6e85d74e83126093ed09eb24e3
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Nov 25 17:23:42 2021 +0300

    WIP

commit 7fbc6d596295570d2c61c3e507160f65c9adccb8
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Nov 25 17:03:42 2021 +0300

    all: imp upstream info in querylog

client/src/helpers/helpers.js

@@ -75,6 +75,7 @@ export const normalizeLogs = (logs) => logs.map((log) => {
         service_name,
         original_answer,
         upstream,
+        cached,
     } = log;
 
     const { name: domain, unicode_name: unicodeName, type } = question;
@@ -116,6 +117,7 @@ export const normalizeLogs = (logs) => logs.map((log) => {
         answer_dnssec,
         elapsedMs,
         upstream,
+        cached,
     };
 });
 

client/src/helpers/validators.js

@@ -230,17 +230,6 @@ export const validateMac = (value) => {
     return undefined;
 };
 
-/**
- * @param value {number}
- * @returns {boolean|*}
- */
-export const validateBiggerOrEqualZeroValue = (value) => {
-    if (value < 0) {
-        return 'form_error_negative';
-    }
-    return false;
-};
-
 /**
  * @param value {number}
  * @returns {undefined|string}