feat(social-trading): implement copy-trading features (closes #396)

src/advanced-analytics/advanced-analytics.module.ts

@@ -16,4 +16,3 @@ import { AnalyticsExportService } from './services/analytics-export/analytics-ex
   exports: [AdvancedAnalyticsService],
 })
 export class AdvancedAnalyticsModule {}
-

src/advanced-analytics/advanced-analytics.service.spec.ts

@@ -35,4 +35,3 @@ describe('AdvancedAnalyticsService', () => {
     expect(out.fileName).toMatch(/\.csv$/);
   });
 });
-

src/advanced-analytics/advanced-analytics.service.ts

@@ -41,14 +41,16 @@ export class AdvancedAnalyticsService {
       userId,
       risk,
       predictions,
-      recommendation: this.portfolioRisk.getPortfolioOptimizationRecommendation(
-        risk,
-      ),
+      recommendation:
+        this.portfolioRisk.getPortfolioOptimizationRecommendation(risk),
       generatedAt: new Date().toISOString(),
     };
   }
 
-  async exportUserAnalytics(userId: string, format: 'csv' | 'xlsx'): Promise<{
+  async exportUserAnalytics(
+    userId: string,
+    format: 'csv' | 'xlsx',
+  ): Promise<{
     mimeType: string;
     fileName: string;
     buffer: Buffer;
@@ -58,4 +60,3 @@ export class AdvancedAnalyticsService {
     return this.exportService.exportAnalytics(analytics, format);
   }
 }
-

src/advanced-analytics/services/analytics-export/analytics-export.service.spec.ts

@@ -49,4 +49,3 @@ describe('AnalyticsExportService', () => {
     expect(out.buffer.length).toBeGreaterThan(0);
   });
 });
-

src/advanced-analytics/services/analytics-export/analytics-export.service.ts

@@ -1,7 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import * as XLSX from 'xlsx';
 
-
 @Injectable()
 export class AnalyticsExportService {
   async exportAnalytics(
@@ -61,4 +60,3 @@ export class AnalyticsExportService {
     };
   }
 }
-

src/advanced-analytics/services/portfolio-risk-scoring.service.spec.ts

@@ -7,9 +7,11 @@ describe('PortfolioRiskScoringService', () => {
 
     expect(r.riskScore).toBeGreaterThanOrEqual(0);
     expect(r.riskScore).toBeLessThanOrEqual(100);
-    expect(r.riskLevel).toBe(['LOW', 'MEDIUM', 'HIGH', 'CRITICAL'].includes(r.riskLevel)
-      ? r.riskLevel
-      : r.riskLevel);
+    expect(r.riskLevel).toBe(
+      ['LOW', 'MEDIUM', 'HIGH', 'CRITICAL'].includes(r.riskLevel)
+        ? r.riskLevel
+        : r.riskLevel,
+    );
 
     expect(r.annualizedVolatility).toBeGreaterThan(0);
     expect(r.maxDrawdownEstimate).toBeGreaterThan(0);
@@ -38,4 +40,3 @@ describe('PortfolioRiskScoringService', () => {
     expect(recLow.strategy).toBe('Maintain and optimize returns');
   });
 });
-

src/advanced-analytics/services/portfolio-risk-scoring.service.ts

@@ -27,7 +27,9 @@ export class PortfolioRiskScoringService {
 
     // Compose a 0..100 score.
     const riskScore = Math.round(
-      100 * (0.45 * this.clamp(annualizedVolatility / 0.6) + 0.55 * this.clamp(maxDrawdownEstimate / 0.25)),
+      100 *
+        (0.45 * this.clamp(annualizedVolatility / 0.6) +
+          0.55 * this.clamp(maxDrawdownEstimate / 0.25)),
     );
 
     const riskLevel = this.toRiskLevel(riskScore);
@@ -61,7 +63,8 @@ export class PortfolioRiskScoringService {
           `Risk level is ${risk.riskLevel} (${risk.riskScore}/100).`,
           'Reduce high-volatility exposure and ensure liquidity buffers.',
         ],
-        recommendedAction: 'Rebalance: reduce volatility-weighted positions; refresh hedge/insurance coverage.',
+        recommendedAction:
+          'Rebalance: reduce volatility-weighted positions; refresh hedge/insurance coverage.',
       };
     }
 
@@ -72,7 +75,8 @@ export class PortfolioRiskScoringService {
           `Risk level is ${risk.riskLevel} (${risk.riskScore}/100).`,
           'Gradually adjust position sizing and diversify across assets.',
         ],
-        recommendedAction: 'Rebalance: shift a portion to lower-volatility assets; monitor within 5 minutes of trades.',
+        recommendedAction:
+          'Rebalance: shift a portion to lower-volatility assets; monitor within 5 minutes of trades.',
       };
     }
 
@@ -82,7 +86,8 @@ export class PortfolioRiskScoringService {
         `Risk level is ${risk.riskLevel} (${risk.riskScore}/100).`,
         'Portfolio risk is within acceptable bounds; focus on execution quality.',
       ],
-      recommendedAction: 'Maintain current allocation; optimize trade execution parameters.',
+      recommendedAction:
+        'Maintain current allocation; optimize trade execution parameters.',
     };
   }
 
@@ -107,4 +112,3 @@ export class PortfolioRiskScoringService {
     return Math.abs(h);
   }
 }
-

src/advanced-analytics/services/price-prediction/price-prediction.service.spec.ts

@@ -24,4 +24,3 @@ describe('PricePredictionService', () => {
     }
   });
 });
-

src/advanced-analytics/services/price-prediction/price-prediction.service.ts

@@ -27,15 +27,24 @@ export class PricePredictionService {
 
     const predictions: AssetPrediction[] = assets.map((asset, idx) => {
       const x = ((seed + idx * 997) % 100000) / 100000; // 0..0.99999
-      const basePrice = asset.startsWith('BTC') ? 45000 : asset.startsWith('ETH') ? 3200 : 1;
+      const basePrice = asset.startsWith('BTC')
+        ? 45000
+        : asset.startsWith('ETH')
+          ? 3200
+          : 1;
       const drift = (x - 0.5) * (asset.startsWith('USDC') ? 0.01 : 0.12);
       const predictedPrice = basePrice * (1 + drift);
-      const confidence = Math.max(0.15, Math.min(0.9, 0.45 + (0.5 - Math.abs(x - 0.5))));
+      const confidence = Math.max(
+        0.15,
+        Math.min(0.9, 0.45 + (0.5 - Math.abs(x - 0.5))),
+      );
 
       return {
         asset,
         horizonDays: 7,
-        predictedPrice: Number(predictedPrice.toFixed(asset.startsWith('USDC') ? 4 : 2)),
+        predictedPrice: Number(
+          predictedPrice.toFixed(asset.startsWith('USDC') ? 4 : 2),
+        ),
         confidence: Number(confidence.toFixed(3)),
       };
     });
@@ -56,4 +65,3 @@ export class PricePredictionService {
     return Math.abs(h);
   }
 }
-

src/advanced-analytics/services/user-behavior-analysis/user-behavior-analysis.service.spec.ts

@@ -18,4 +18,3 @@ describe('UserBehaviorAnalysisService', () => {
     }
   });
 });
-

src/advanced-analytics/services/user-behavior-analysis/user-behavior-analysis.service.ts

@@ -53,4 +53,3 @@ export class UserBehaviorAnalysisService {
     return Math.abs(h);
   }
 }
-

src/app.module.ts

@@ -83,11 +83,17 @@ import { LiquidationEvent } from './protection/entities/liquidation-event.entity
 import { ProtectionModule } from './protection/protection.module';
 
 // Blockchain — Cross-Chain Bridge (issue #386)
+import { BlockchainModule } from './blockchain/blockchain.module';
 import { CrossChainBridgeModule } from './blockchain/cross-chain-bridge.module';
 import { CrossChainBridge } from './blockchain/entities/cross-chain-bridge.entity';
 import { BlockchainTransaction } from './blockchain/entities/blockchain-transaction.entity';
 import { WalletAddress } from './blockchain/entities/wallet-address.entity';
 
+// Social Trading — Social Trading Features (issue #396)
+import { SocialTradingModule } from './social-trading/social-trading.module';
+import { TraderProfile } from './social-trading/entities/trader-profile.entity';
+import { CopySubscription } from './social-trading/entities/copy-subscription.entity';
+
 @Module({
   imports: [
     // ── Core NestJS ──
@@ -117,7 +123,9 @@ import { WalletAddress } from './blockchain/entities/wallet-address.entity';
       imports: [ConfigModule],
       inject: [ConfigService],
       useFactory: (configService: ConfigService) => ({
-        type: configService.get<string>('DB_TYPE', 'postgres') as 'postgres' | 'sqlite',
+        type: configService.get<string>('DB_TYPE', 'postgres') as
+          | 'postgres'
+          | 'sqlite',
         host: configService.get<string>('DB_HOST', 'localhost'),
         port: configService.get<number>('DB_PORT', 5432),
         username: configService.get<string>('DB_USERNAME', 'postgres'),
@@ -171,6 +179,9 @@ import { WalletAddress } from './blockchain/entities/wallet-address.entity';
           CrossChainBridge,
           BlockchainTransaction,
           WalletAddress,
+          // Social Trading (issue #396)
+          TraderProfile,
+          CopySubscription,
         ],
         synchronize: configService.get<boolean>('DB_SYNCHRONIZE', true),
         logging: configService.get<boolean>('DB_LOGGING', false),
@@ -210,10 +221,13 @@ import { WalletAddress } from './blockchain/entities/wallet-address.entity';
     // ── Notifications Module ──
     NotificationsModule,
 
+    // ── Social Trading Module (issue #396) ──
+    SocialTradingModule,
+
     // ── Error Handling ──
     ErrorModule,
   ],
   controllers: [AppController],
   providers: [AppService],
 })
-export class AppModule {}
+export class AppModule {}

src/auth/auth.controller.ts

@@ -106,7 +106,9 @@ export class AuthController {
   @Public()
   @Post('token/refresh')
   @HttpCode(HttpStatus.OK)
-  @ApiOperation({ summary: 'Rotate refresh token and obtain new access + refresh tokens' })
+  @ApiOperation({
+    summary: 'Rotate refresh token and obtain new access + refresh tokens',
+  })
   @ApiResponse({ status: 200, description: 'Tokens refreshed' })
   refreshToken(@Body() dto: RefreshTokenDto) {
     return this.authService.refreshTokens(dto);
@@ -118,7 +120,10 @@ export class AuthController {
   @Post('password/forgot')
   @HttpCode(HttpStatus.OK)
   @ApiOperation({ summary: 'Request a password reset link' })
-  @ApiResponse({ status: 200, description: 'Reset link sent (if email exists)' })
+  @ApiResponse({
+    status: 200,
+    description: 'Reset link sent (if email exists)',
+  })
   forgotPassword(@Body() dto: ForgotPasswordDto) {
     return this.authService.forgotPassword(dto);
   }
@@ -190,7 +195,10 @@ export class AuthController {
   @HttpCode(HttpStatus.OK)
   @ApiOperation({ summary: 'Verify and activate 2FA after setup' })
   @ApiResponse({ status: 200, description: '2FA enabled' })
-  verify2FASetup(@CurrentUser() user: JwtPayload, @Body() dto: Verify2FASetupDto) {
+  verify2FASetup(
+    @CurrentUser() user: JwtPayload,
+    @Body() dto: Verify2FASetupDto,
+  ) {
     return this.authService.verify2FASetup(user.sub, dto);
   }
 
@@ -202,4 +210,4 @@ export class AuthController {
   disable2FA(@CurrentUser() user: JwtPayload, @Body() dto: TwoFADto) {
     return this.authService.disable2FA(user.sub, dto);
   }
-}
+}