From 84d920f98f3e1c3e62bf0ca6abc4f915e485eb74 Mon Sep 17 00:00:00 2001
From: hailin <hailin.zhao@gdzx.xyz>
Date: Mon, 19 Jan 2026 22:31:38 -0800
Subject: [PATCH] fix(kline): stop loading when no unique new history data

When deduplicated new klines are empty, mark hasMoreHistory as false
to prevent infinite loading attempts.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 .../lib/presentation/providers/trading_providers.dart      | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/frontend/mining-app/lib/presentation/providers/trading_providers.dart b/frontend/mining-app/lib/presentation/providers/trading_providers.dart
index a06cd7aa..969e7002 100644
--- a/frontend/mining-app/lib/presentation/providers/trading_providers.dart
+++ b/frontend/mining-app/lib/presentation/providers/trading_providers.dart
@@ -154,10 +154,17 @@ class KlinesNotifier extends StateNotifier<KlinesState> {
             (k) => !existingTimes.contains(k.time.millisecondsSinceEpoch)
           ).toList();
 
+          // 如果去重后没有新数据，说明已经没有更多历史了
+          if (uniqueNewKlines.isEmpty) {
+            state = state.copyWith(isLoadingMore: false, hasMoreHistory: false);
+            return;
+          }
+
           final combinedKlines = [...uniqueNewKlines, ...state.klines];
           // 按时间排序
           combinedKlines.sort((a, b) => a.time.compareTo(b.time));
 
+          // 判断是否还有更多历史：返回数据少于100条说明到底了
           state = state.copyWith(
             klines: combinedKlines,
             isLoadingMore: false,