bigint conversion fixes

src/main/java/com/honey/honey/config/OpenApiExamplesCustomizer.java

@@ -43,8 +43,8 @@ public class OpenApiExamplesCustomizer implements GlobalOpenApiCustomizer {
         value.put("screenName", "The Boy");
         value.put("dateReg", 1772897273);
         value.put("ip", "165.165.165.165");
-        value.put("balanceA", 100000);
+        value.put("balanceA", 10000);
-        value.put("balanceB", 100000);
+        value.put("balanceB", 10000);
         value.put("avatarUrl", "/avatars/0/0/1/06c98267.png?v=1772897273");
         value.put("languageCode", "EN");
         value.put("paymentEnabled", true);

src/main/java/com/honey/honey/controller/UserController.java

@@ -24,6 +24,9 @@ import org.springframework.web.bind.annotation.*;
 @RequiredArgsConstructor
 public class UserController {
 
+    /** Divisor for converting balance bigint to display value (backend sends display value only). */
+    private static final double BALANCE_DISPLAY_DIVISOR = 1_000_000.0;
+
     private final UserService userService;
     private final UserBRepository userBRepository;
     private final AvatarService avatarService;
@@ -37,10 +40,12 @@ public class UserController {
         // Convert IP from byte[] to string for display
         String ipAddress = IpUtils.bytesToIp(user.getIp());
         
-        // Get balances from UserB
+        // Get balances from UserB; convert to display value (divide by 1_000_000)
         var userBOpt = userBRepository.findById(user.getId());
-        Long balanceA = userBOpt.map(UserB::getBalanceA).orElse(0L);
+        long rawBalanceA = userBOpt.map(UserB::getBalanceA).orElse(0L);
-        Long balanceB = userBOpt.map(UserB::getBalanceB).orElse(0L);
+        long rawBalanceB = userBOpt.map(UserB::getBalanceB).orElse(0L);
+        Double balanceA = rawBalanceA / BALANCE_DISPLAY_DIVISOR;
+        Double balanceB = rawBalanceB / BALANCE_DISPLAY_DIVISOR;
         Integer depositCount = userBOpt.map(UserB::getDepositCount).orElse(0);
         
         // Generate avatar URL on-the-fly (deterministic from userId)
@@ -126,7 +131,6 @@ public class UserController {
         UserA user = UserContext.get();
         
         Page<ReferralDto> referralsPage = userService.getReferrals(user.getId(), level, page);
-        
         return new ReferralsResponse(
                 referralsPage.getContent(),
                 referralsPage.getNumber(),

src/main/java/com/honey/honey/dto/ReferralDto.java

@@ -5,13 +5,14 @@ import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+/** API response DTO for referral list. Built from {@link ReferralProjection} in service. */
 @Data
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
 public class ReferralDto {
-    private String name; // screen_name from db_users_a
+    private String name;
-    private Long commission; // to_referer_1/2/3 from db_users_d (bigint, needs to be divided by 1,000,000 on frontend)
+    private Double commission; // display value (raw from DB / 1_000_000)
 }
 
 

src/main/java/com/honey/honey/dto/ReferralProjection.java

@@ -0,0 +1,10 @@
+package com.honey.honey.dto;
+
+/**
+ * Persistence/read model: raw referral row from DB (used only between repository and service).
+ * Not sent to frontend. Map to {@link ReferralDto} for API response.
+ */
+public interface ReferralProjection {
+    String getName();
+    Long getCommission();
+}

src/main/java/com/honey/honey/dto/UserDto.java

@@ -16,8 +16,8 @@ public class UserDto {
     private String screenName; // User's screen name
     private Integer dateReg; // Registration date (Unix timestamp in seconds)
     private String ip;
-    private Long balanceA; // Balance (stored as bigint, represents number with 6 decimal places)
+    private Double balanceA; // Balance for display (raw bigint / 1_000_000)
-    private Long balanceB; // Second balance (stored as bigint)
+    private Double balanceB; // Second balance for display (raw bigint / 1_000_000)
     private String avatarUrl; // Public URL of user's avatar
     private String languageCode; // User's language preference (EN, RU, DE, IT, NL, PL, FR, ES, ID, TR)
     private Boolean paymentEnabled; // Runtime toggle: deposits (Store, Payment Options, etc.) allowed

src/main/java/com/honey/honey/repository/UserDRepository.java

@@ -1,6 +1,6 @@
 package com.honey.honey.repository;
 
-import com.honey.honey.dto.ReferralDto;
+import com.honey.honey.dto.ReferralProjection;
 import com.honey.honey.model.UserD;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
@@ -52,36 +52,33 @@ public interface UserDRepository extends JpaRepository<UserD, Integer> {
     
     /**
      * Finds referrals for level 1 (where referer_id_1 = userId).
-     * Returns referrals with their screen_name and to_referer_1 commission.
+     * Returns raw rows (name, commission bigint). Map to ReferralDto in service.
-     * Ordered by commission DESC, then id DESC.
      */
-    @Query("SELECT new com.honey.honey.dto.ReferralDto(ud.screenName, ud.toReferer1) " +
+    @Query("SELECT ud.screenName as name, ud.toReferer1 as commission " +
            "FROM UserD ud " +
            "WHERE ud.refererId1 = :userId AND ud.refererId1 > 0 " +
            "ORDER BY ud.toReferer1 DESC, ud.id DESC")
-    Page<ReferralDto> findReferralsLevel1(@Param("userId") Integer userId, Pageable pageable);
+    Page<ReferralProjection> findReferralsLevel1(@Param("userId") Integer userId, Pageable pageable);
 
     /**
      * Finds referrals for level 2 (where referer_id_2 = userId).
-     * Returns referrals with their screen_name and to_referer_2 commission.
+     * Returns raw rows (name, commission bigint). Map to ReferralDto in service.
-     * Ordered by commission DESC, then id DESC.
      */
-    @Query("SELECT new com.honey.honey.dto.ReferralDto(ud.screenName, ud.toReferer2) " +
+    @Query("SELECT ud.screenName as name, ud.toReferer2 as commission " +
            "FROM UserD ud " +
            "WHERE ud.refererId2 = :userId AND ud.refererId2 > 0 " +
            "ORDER BY ud.toReferer2 DESC, ud.id DESC")
-    Page<ReferralDto> findReferralsLevel2(@Param("userId") Integer userId, Pageable pageable);
+    Page<ReferralProjection> findReferralsLevel2(@Param("userId") Integer userId, Pageable pageable);
 
     /**
      * Finds referrals for level 3 (where referer_id_3 = userId).
-     * Returns referrals with their screen_name and to_referer_3 commission.
+     * Returns raw rows (name, commission bigint). Map to ReferralDto in service.
-     * Ordered by commission DESC, then id DESC.
      */
-    @Query("SELECT new com.honey.honey.dto.ReferralDto(ud.screenName, ud.toReferer3) " +
+    @Query("SELECT ud.screenName as name, ud.toReferer3 as commission " +
            "FROM UserD ud " +
            "WHERE ud.refererId3 = :userId AND ud.refererId3 > 0 " +
            "ORDER BY ud.toReferer3 DESC, ud.id DESC")
-    Page<ReferralDto> findReferralsLevel3(@Param("userId") Integer userId, Pageable pageable);
+    Page<ReferralProjection> findReferralsLevel3(@Param("userId") Integer userId, Pageable pageable);
 
     /**
      * Masters: users whose id equals their master_id (and master_id > 0).

src/main/java/com/honey/honey/service/UserService.java

@@ -1,6 +1,7 @@
 package com.honey.honey.service;
 
 import com.honey.honey.dto.ReferralDto;
+import com.honey.honey.dto.ReferralProjection;
 import com.honey.honey.model.UserA;
 import com.honey.honey.model.UserB;
 import com.honey.honey.model.UserD;
@@ -13,13 +14,16 @@ import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageImpl;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 /**
  * Service for user management with sharded tables.
@@ -453,25 +457,33 @@ public class UserService {
         return userARepository.findByTelegramId(telegramId);
     }
     
+    private static final double COMMISSION_DISPLAY_DIVISOR = 1_000_000.0;
+
     /**
      * Gets referrals for a specific level with pagination.
-     * Returns 10 results per page, ordered by commission DESC, then id DESC.
+     * Fetches raw rows (ReferralProjection), maps to API DTO (ReferralDto) with display commission.
      *
      * @param userId The user ID to get referrals for
      * @param level The referral level (1, 2, or 3)
      * @param page Page number (0-indexed)
-     * @return Page of referrals with name and commission
+     * @return Page of ReferralDto (name, commission as display value)
      */
     public Page<ReferralDto> getReferrals(Integer userId, Integer level, Integer page) {
         Pageable pageable = PageRequest.of(page, 10);
-        
+        Page<ReferralProjection> projectionPage = switch (level) {
-        return switch (level) {
             case 1 -> userDRepository.findReferralsLevel1(userId, pageable);
             case 2 -> userDRepository.findReferralsLevel2(userId, pageable);
             case 3 -> userDRepository.findReferralsLevel3(userId, pageable);
             default -> throw new IllegalArgumentException(
                     localizationService.getMessage("user.error.referralLevelInvalid", String.valueOf(level)));
         };
+        List<ReferralDto> content = projectionPage.getContent().stream()
+                .map(p -> ReferralDto.builder()
+                        .name(p.getName())
+                        .commission(p.getCommission() != null ? p.getCommission() / COMMISSION_DISPLAY_DIVISOR : 0.0)
+                        .build())
+                .collect(Collectors.toList());
+        return new PageImpl<>(content, projectionPage.getPageable(), projectionPage.getTotalElements());
     }
 }