feat(trading): 添加涨跌幅显示及修复成交明细数据

1. 后端：
   - 添加 getFirstSnapshot() 获取上线首日价格
   - PriceInfo 接口增加 priceChangePercent 和 initialPrice 字段
   - 计算涨跌幅 = (当前价格 - 首日价格) / 首日价格 × 100%
   - 修复 originalQuantity 为0时的数据计算逻辑

2. 前端：
   - 交易页面涨跌幅移到价格下方单独显示
   - 添加"较上线首日"说明文字
   - 根据涨跌正负显示不同颜色和图标

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/services/trading-service/src/application/services/price.service.ts

@@ -17,6 +17,8 @@ export interface PriceInfo {
   burnMultiplier: string;
   minuteBurnRate: string;
   snapshotTime: Date;
+  priceChangePercent: string; // 较上线首日涨跌幅
+  initialPrice: string; // 上线首日价格
 }
 
 @Injectable()
@@ -36,11 +38,12 @@ export class PriceService {
    * 获取当前价格信息
    */
   async getCurrentPrice(): Promise<PriceInfo> {
-    const [sharePool, blackHole, circulationPool, config] = await Promise.all([
+    const [sharePool, blackHole, circulationPool, config, firstSnapshot] = await Promise.all([
       this.sharePoolRepository.getPool(),
       this.blackHoleRepository.getBlackHole(),
       this.circulationPoolRepository.getPool(),
       this.tradingConfigRepository.getConfig(),
+      this.priceSnapshotRepository.getFirstSnapshot(),
     ]);
 
     const greenPoints = sharePool?.greenPoints || Money.zero();
@@ -65,6 +68,13 @@ export class PriceService {
     // 获取当前每分钟销毁率
     const minuteBurnRate = config?.minuteBurnRate || Money.zero();
 
+    // 计算较上线首日的涨跌幅
+    const initialPrice = firstSnapshot?.price || price;
+    let priceChangePercent = new Decimal(0);
+    if (!initialPrice.isZero()) {
+      priceChangePercent = price.value.minus(initialPrice.value).dividedBy(initialPrice.value).times(100);
+    }
+
     return {
       price: price.toFixed(18),
       greenPoints: greenPoints.toFixed(8),
@@ -74,6 +84,8 @@ export class PriceService {
       burnMultiplier: burnMultiplier.toFixed(18),
       minuteBurnRate: minuteBurnRate.toFixed(18),
       snapshotTime: new Date(),
+      priceChangePercent: priceChangePercent.toFixed(2),
+      initialPrice: initialPrice.toFixed(18),
     };
   }
 
@@ -208,13 +220,23 @@ export class PriceService {
    * 获取最新价格快照
    */
   async getLatestSnapshot(): Promise<PriceInfo | null> {
-    const snapshot = await this.priceSnapshotRepository.getLatestSnapshot();
+    const [snapshot, firstSnapshot] = await Promise.all([
+      this.priceSnapshotRepository.getLatestSnapshot(),
+      this.priceSnapshotRepository.getFirstSnapshot(),
+    ]);
     if (!snapshot) {
       return null;
     }
 
     const burnMultiplier = await this.getCurrentBurnMultiplier();
 
+    // 计算较上线首日的涨跌幅
+    const initialPrice = firstSnapshot?.price || snapshot.price;
+    let priceChangePercent = new Decimal(0);
+    if (!initialPrice.isZero()) {
+      priceChangePercent = snapshot.price.value.minus(initialPrice.value).dividedBy(initialPrice.value).times(100);
+    }
+
     return {
       price: snapshot.price.toFixed(18),
       greenPoints: snapshot.greenPoints.toFixed(8),
@@ -224,6 +246,8 @@ export class PriceService {
       burnMultiplier: burnMultiplier.toFixed(18),
       minuteBurnRate: snapshot.minuteBurnRate.toFixed(18),
       snapshotTime: snapshot.snapshotTime,
+      priceChangePercent: priceChangePercent.toFixed(2),
+      initialPrice: initialPrice.toFixed(18),
     };
   }
 

backend/services/trading-service/src/infrastructure/persistence/repositories/order.repository.ts

@@ -279,9 +279,17 @@ export class OrderRepository {
         };
       }),
       ...sellerTrades.map((t) => {
-        // 卖方：计算销毁倍数 = 有效积分股 / 原始数量
+        // 卖方：计算销毁倍数和原始数量
-        const effectiveQty = Number(t.quantity);
+        const effectiveQty = Number(t.quantity); // 有效积分股（含销毁倍数）
-        const originalQty = Number(t.originalQuantity || t.quantity);
+        const burnQty = Number(t.burnQuantity);
+        // 原始数量：优先使用数据库值，如果为0则通过 有效量 - 销毁量 计算
+        // 注意：使用 != null 而不是 || 来正确处理0值
+        let originalQty = t.originalQuantity != null && Number(t.originalQuantity) > 0
+          ? Number(t.originalQuantity)
+          : effectiveQty - burnQty;
+        // 确保原始数量不为负数
+        if (originalQty <= 0) originalQty = effectiveQty;
+        // 销毁倍数 = 有效积分股 / 原始数量
         const burnMultiplier = originalQty > 0 ? effectiveQty / originalQty : 1;
         // 交易总额 = 有效积分股 × 价格
         const grossAmount = effectiveQty * Number(t.price);
@@ -292,7 +300,7 @@ export class OrderRepository {
           type: 'SELL' as const,
           price: t.price.toString(),
           quantity: t.quantity.toString(), // 有效积分股
-          originalQuantity: (t.originalQuantity || t.quantity).toString(), // 原始卖出数量
+          originalQuantity: originalQty.toString(), // 原始卖出数量
           burnQuantity: t.burnQuantity.toString(), // 销毁数量
           burnMultiplier: burnMultiplier.toString(), // 销毁倍数
           grossAmount: grossAmount.toString(), // 交易总额

backend/services/trading-service/src/infrastructure/persistence/repositories/price-snapshot.repository.ts

@@ -28,6 +28,19 @@ export class PriceSnapshotRepository {
     return this.toDomain(record);
   }
 
+  /**
+   * 获取最早的价格快照（上线首日价格）
+   */
+  async getFirstSnapshot(): Promise<PriceSnapshotEntity | null> {
+    const record = await this.prisma.priceSnapshot.findFirst({
+      orderBy: { snapshotTime: 'asc' },
+    });
+    if (!record) {
+      return null;
+    }
+    return this.toDomain(record);
+  }
+
   async getSnapshotAt(time: Date): Promise<PriceSnapshotEntity | null> {
     // 获取指定时间之前最近的快照
     const record = await this.prisma.priceSnapshot.findFirst({

frontend/mining-app/lib/core/router/app_router.dart

@@ -83,9 +83,9 @@ final appRouterProvider = Provider<GoRouter>((ref) {
         return Routes.login;
       }
 
-      // 已登录且访问登录页，重定向到首页
+      // 已登录且访问登录页，重定向到兑换页
       if (isLoggedIn && currentPath == Routes.login) {
-        return Routes.contribution;
+        return Routes.trading;
       }
 
       return null;

frontend/mining-app/lib/data/models/price_info_model.dart

@@ -10,6 +10,8 @@ class PriceInfoModel extends PriceInfo {
     required super.burnMultiplier,
     required super.minuteBurnRate,
     required super.snapshotTime,
+    required super.priceChangePercent,
+    required super.initialPrice,
   });
 
   factory PriceInfoModel.fromJson(Map<String, dynamic> json) {
@@ -24,6 +26,8 @@ class PriceInfoModel extends PriceInfo {
       snapshotTime: json['snapshotTime'] != null
           ? DateTime.parse(json['snapshotTime'].toString())
           : DateTime.now(),
+      priceChangePercent: json['priceChangePercent']?.toString() ?? '0',
+      initialPrice: json['initialPrice']?.toString() ?? '0',
     );
   }
 }

frontend/mining-app/lib/domain/entities/market_overview.dart

@@ -4,7 +4,7 @@ import 'package:equatable/equatable.dart';
 class MarketOverview extends Equatable {
   /// 当前价格
   final String price;
-  /// 积分值池
+  /// 积分股池
   final String greenPoints;
   /// 黑洞销毁量
   final String blackHoleAmount;

frontend/mining-app/lib/domain/entities/price_info.dart

@@ -4,7 +4,7 @@ import 'package:equatable/equatable.dart';
 class PriceInfo extends Equatable {
   /// 当前价格
   final String price;
-  /// 积分值池
+  /// 积分股池
   final String greenPoints;
   /// 黑洞销毁量
   final String blackHoleAmount;
@@ -18,6 +18,10 @@ class PriceInfo extends Equatable {
   final String minuteBurnRate;
   /// 快照时间
   final DateTime snapshotTime;
+  /// 较上线首日涨跌幅（百分比）
+  final String priceChangePercent;
+  /// 上线首日价格
+  final String initialPrice;
 
   const PriceInfo({
     required this.price,
@@ -28,6 +32,8 @@ class PriceInfo extends Equatable {
     required this.burnMultiplier,
     required this.minuteBurnRate,
     required this.snapshotTime,
+    required this.priceChangePercent,
+    required this.initialPrice,
   });
 
   @override
@@ -40,5 +46,7 @@ class PriceInfo extends Equatable {
         burnMultiplier,
         minuteBurnRate,
         snapshotTime,
+        priceChangePercent,
+        initialPrice,
       ];
 }

frontend/mining-app/lib/presentation/pages/splash/splash_page.dart

@@ -36,7 +36,7 @@ class _SplashPageState extends ConsumerState<SplashPage> {
       // 已登录，直接跳转，不需要主动刷新 token
       // token 刷新只在 API 返回 401 时才触发
       if (mounted) {
-        context.go(Routes.contribution);
+        context.go(Routes.trading);
       }
     } else {
       context.go(Routes.login);

frontend/mining-app/lib/presentation/pages/trading/trading_page.dart

@@ -167,7 +167,8 @@ class _TradingPageState extends ConsumerState<TradingPage> {
           ),
           const SizedBox(height: 8),
           Row(
-            crossAxisAlignment: CrossAxisAlignment.center,
+            crossAxisAlignment: CrossAxisAlignment.baseline,
+            textBaseline: TextBaseline.alphabetic,
             children: [
               AmountText(
                 amount: priceInfo != null ? formatPrice(price) : null,
@@ -179,31 +180,58 @@ class _TradingPageState extends ConsumerState<TradingPage> {
                   letterSpacing: -0.75,
                 ),
               ),
-              const SizedBox(width: 8),
+              const SizedBox(width: 4),
-              Container(
+              Text(
-                padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
+                '积分值',
+                style: TextStyle(
+                  fontSize: 14,
+                  fontWeight: FontWeight.w500,
+                  color: AppColors.textSecondaryOf(context),
+                ),
+              ),
+            ],
+          ),
+          const SizedBox(height: 8),
+          Builder(
+            builder: (context) {
+              final changePercent = double.tryParse(priceInfo?.priceChangePercent ?? '0') ?? 0;
+              final isPositive = changePercent >= 0;
+              final color = isPositive ? _green : _red;
+              final icon = isPositive ? Icons.trending_up : Icons.trending_down;
+              final sign = isPositive ? '+' : '';
+              return Container(
+                padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                 decoration: BoxDecoration(
-                  color: _green.withValues(alpha: 0.1),
+                  color: color.withValues(alpha: 0.1),
                   borderRadius: BorderRadius.circular(16),
                 ),
                 child: Row(
                   mainAxisSize: MainAxisSize.min,
                   children: [
-                    const Icon(Icons.trending_up, size: 16, color: _green),
+                    Icon(icon, size: 16, color: color),
+                    const SizedBox(width: 4),
+                    Text(
+                      '较上线首日',
+                      style: TextStyle(
+                        fontSize: 12,
+                        color: AppColors.textSecondaryOf(context),
+                      ),
+                    ),
+                    const SizedBox(width: 4),
                     DataText(
-                      data: isLoading ? null : '+0.00%',
+                      data: isLoading ? null : '$sign${changePercent.toStringAsFixed(2)}%',
                       isLoading: isLoading,
                       placeholder: '+--.--%',
-                      style: const TextStyle(
+                      style: TextStyle(
                         fontSize: 14,
                         fontWeight: FontWeight.bold,
-                        color: _green,
+                        color: color,
                       ),
                     ),
                   ],
                 ),
-              ),
+              );
-            ],
+            },
           ),
         ],
       ),
@@ -313,7 +341,7 @@ class _TradingPageState extends ConsumerState<TradingPage> {
           Row(
             children: [
               _buildMarketDataItem(
-                '积分值池',
+                '积分股池',
                 market != null ? formatCompact(market.greenPoints) : null,
                 _orange,
                 isLoading,