From 87ef363f6363203f5a88eacdaf04fb9f806be0ce Mon Sep 17 00:00:00 2001
From: Hau Nguyen Van <nguyenvanhauit1997@gmail.com>
Date: Thu, 6 Jun 2024 11:06:08 +0700
Subject: [PATCH] ramdom list validators

---
 .../ValidatorTable/ValidatorTable.js          |  6 ++---
 src/helpers/helper.js                         | 22 +++++++++++++++++++
 2 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/src/components/ValidatorList/ValidatorTable/ValidatorTable.js b/src/components/ValidatorList/ValidatorTable/ValidatorTable.js
index dee824ee..170cc79d 100644
--- a/src/components/ValidatorList/ValidatorTable/ValidatorTable.js
+++ b/src/components/ValidatorList/ValidatorTable/ValidatorTable.js
@@ -9,7 +9,7 @@ import { _ } from "src/lib/scripts";
 import { tableThemes } from "src/constants/tableThemes";
 import { sortDirections } from "src/constants/sortDirections";
 import consts from "src/constants/consts";
-import { formatPercentage, formatInteger, formatOrai } from "src/helpers/helper";
+import { formatPercentage, formatInteger, formatOrai, groupAndShuffle } from "src/helpers/helper";
 import { compareTwoValues } from "src/helpers/compare";
 import Delegate from "src/components/common/Delegate";
 import ThemedTable from "src/components/common/ThemedTable";
@@ -214,9 +214,9 @@ const ValidatorTable = memo(({ data = [] }) => {
 
 	const sortData = (data, extraSortField = sortFields.RANK) => {
 		if (!data) return [];
-
 		if (isFirstSort) {
-			return [...data].sort((a, b) => 0.5 - Math.random());
+			const groupSize = 10;
+			return groupAndShuffle(data, groupSize).flat();
 		}
 
 		if (canSort) {
diff --git a/src/helpers/helper.js b/src/helpers/helper.js
index f6e3e149..b6febdd0 100644
--- a/src/helpers/helper.js
+++ b/src/helpers/helper.js
@@ -376,3 +376,25 @@ export const calculateTallyProposal = ({ totalVote, bonded, tally }) => {
 		vote_percentage: votePercentage,
 	};
 };
+
+export function shuffleArray(array) {
+	for (let i = array.length - 1; i > 0; i--) {
+		const j = Math.floor(Math.random() * (i + 1));
+		[array[i], array[j]] = [array[j], array[i]];
+	}
+	return array;
+}
+
+export function groupAndShuffle(array, groupSize) {
+	const sortedArray = array
+		.map(e => {
+			return { ...e, votingPowerMixUpTime: e.voting_power * e.uptime };
+		})
+		.sort((a, b) => b.votingPowerMixUpTime - a.votingPowerMixUpTime);
+	const groups = [];
+	for (let i = 0; i < sortedArray.length; i += groupSize) {
+		groups.push(sortedArray.slice(i, i + groupSize));
+	}
+	const shuffledGroups = groups.map(group => shuffleArray(group));
+	return shuffledGroups;
+}