refactor(frontend): 删除我的页面中的支付密码功能

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

backend/services/mining-service/src/application/services/mining-distribution.service.ts

@@ -6,6 +6,7 @@ import { PriceSnapshotRepository } from '../../infrastructure/persistence/reposi
 import { OutboxRepository } from '../../infrastructure/persistence/repositories/outbox.repository';
 import { SystemMiningAccountRepository } from '../../infrastructure/persistence/repositories/system-mining-account.repository';
 import { PrismaService } from '../../infrastructure/persistence/prisma/prisma.service';
+import { UnitOfWork, TransactionClient } from '../../infrastructure/persistence/unit-of-work/unit-of-work';
 import { RedisService } from '../../infrastructure/redis/redis.service';
 import { MiningCalculatorService } from '../../domain/services/mining-calculator.service';
 import { ShareAmount } from '../../domain/value-objects/share-amount.vo';
@@ -36,6 +37,7 @@ export class MiningDistributionService {
     private readonly outboxRepository: OutboxRepository,
     private readonly systemMiningAccountRepository: SystemMiningAccountRepository,
     private readonly prisma: PrismaService,
+    private readonly unitOfWork: UnitOfWork,
     private readonly redis: RedisService,
     private readonly configService: ConfigService,
   ) {}

backend/services/mining-service/src/infrastructure/persistence/prisma/prisma.module.ts

@@ -1,9 +1,10 @@
 import { Global, Module } from '@nestjs/common';
 import { PrismaService } from './prisma.service';
+import { UnitOfWork } from '../unit-of-work/unit-of-work';
 
 @Global()
 @Module({
-  providers: [PrismaService],
+  providers: [PrismaService, UnitOfWork],
-  exports: [PrismaService],
+  exports: [PrismaService, UnitOfWork],
 })
 export class PrismaModule {}

backend/services/mining-service/src/infrastructure/persistence/repositories/mining-account.repository.ts

@@ -2,6 +2,7 @@ import { Injectable } from '@nestjs/common';
 import { PrismaService } from '../prisma/prisma.service';
 import { MiningAccountAggregate, MiningTransactionType } from '../../../domain/aggregates/mining-account.aggregate';
 import { ShareAmount } from '../../../domain/value-objects/share-amount.vo';
+import { TransactionClient } from '../unit-of-work/unit-of-work';
 
 @Injectable()
 export class MiningAccountRepository {
@@ -32,13 +33,18 @@ export class MiningAccountRepository {
     return result;
   }
 
-  async save(aggregate: MiningAccountAggregate): Promise<void> {
+  /**
+   * 保存账户（带外部事务支持）
+   * @param aggregate 账户聚合
+   * @param tx 可选的外部事务客户端，如果不传则自动创建事务
+   */
+  async save(aggregate: MiningAccountAggregate, tx?: TransactionClient): Promise<void> {
     const snapshot = aggregate.toSnapshot();
     const transactions = aggregate.pendingTransactions;
 
-    await this.prisma.$transaction(async (tx) => {
+    const executeInTx = async (client: TransactionClient) => {
       // 保存账户
-      await tx.miningAccount.upsert({
+      await client.miningAccount.upsert({
         where: { accountSequence: snapshot.accountSequence },
         create: {
           accountSequence: snapshot.accountSequence,
@@ -59,7 +65,7 @@ export class MiningAccountRepository {
 
       // 保存交易流水
       if (transactions.length > 0) {
-        await tx.miningTransaction.createMany({
+        await client.miningTransaction.createMany({
           data: transactions.map((t) => ({
             accountSequence: snapshot.accountSequence,
             type: t.type,
@@ -72,7 +78,15 @@ export class MiningAccountRepository {
           })),
         });
       }
-    });
+    };
+
+    if (tx) {
+      // 使用外部事务
+      await executeInTx(tx);
+    } else {
+      // 自动创建事务（向后兼容）
+      await this.prisma.$transaction(executeInTx);
+    }
 
     aggregate.clearPendingTransactions();
   }

backend/services/mining-service/src/infrastructure/persistence/repositories/system-mining-account.repository.ts

@@ -1,10 +1,8 @@
 import { Injectable } from '@nestjs/common';
 import { PrismaService } from '../prisma/prisma.service';
 import { ShareAmount } from '../../../domain/value-objects/share-amount.vo';
-import { SystemAccountType, Prisma } from '@prisma/client';
+import { SystemAccountType } from '@prisma/client';
-
+import { TransactionClient } from '../unit-of-work/unit-of-work';
-// 事务客户端类型
-type TransactionClient = Prisma.TransactionClient;
 
 export interface SystemMiningAccountSnapshot {
   accountType: SystemAccountType;

backend/services/mining-service/src/infrastructure/persistence/unit-of-work/unit-of-work.ts

@@ -0,0 +1,62 @@
+import { Injectable } from '@nestjs/common';
+import { PrismaService } from '../prisma/prisma.service';
+import { Prisma } from '@prisma/client';
+
+export type TransactionClient = Omit<
+  PrismaService,
+  '$connect' | '$disconnect' | '$on' | '$transaction' | '$use' | '$extends'
+>;
+
+/**
+ * 工作单元模式
+ * 用于管理事务边界，确保多个仓库操作在同一事务中执行
+ */
+@Injectable()
+export class UnitOfWork {
+  private transactionClient: TransactionClient | null = null;
+
+  constructor(private readonly prisma: PrismaService) {}
+
+  /**
+   * 获取当前事务客户端，如果没有活跃事务则返回普通客户端
+   */
+  getClient(): TransactionClient {
+    return this.transactionClient || this.prisma;
+  }
+
+  /**
+   * 在事务中执行操作
+   * 使用较长的超时时间以支持挖矿分配等大批量操作
+   */
+  async executeInTransaction<T>(
+    operation: (client: TransactionClient) => Promise<T>,
+    options?: {
+      maxWait?: number;
+      timeout?: number;
+      isolationLevel?: Prisma.TransactionIsolationLevel;
+    },
+  ): Promise<T> {
+    return this.prisma.$transaction(
+      async (tx) => {
+        this.transactionClient = tx as TransactionClient;
+        try {
+          return await operation(tx as TransactionClient);
+        } finally {
+          this.transactionClient = null;
+        }
+      },
+      {
+        maxWait: options?.maxWait ?? 10000, // 默认10秒等待获取事务
+        timeout: options?.timeout ?? 60000, // 默认60秒事务超时（挖矿分配可能需要较长时间）
+        isolationLevel: options?.isolationLevel ?? Prisma.TransactionIsolationLevel.ReadCommitted,
+      },
+    );
+  }
+
+  /**
+   * 是否在事务中
+   */
+  isInTransaction(): boolean {
+    return this.transactionClient !== null;
+  }
+}

frontend/mining-app/lib/presentation/pages/profile/profile_page.dart

@@ -313,18 +313,6 @@ class ProfilePage extends ConsumerWidget {
             icon: Icons.security,
             label: '账户安全',
             onTap: () => context.push(Routes.changePassword),
-          ),
-          _buildSettingItem(
-            icon: Icons.lock_outline,
-            label: '支付密码',
-            trailing: const Text(
-              '已设置',
-              style: TextStyle(
-                fontSize: 14,
-                color: _green,
-              ),
-            ),
-            onTap: () {},
             showDivider: false,
           ),
         ],