diff --git a/services/mining-service-net/Directory.Build.props b/services/mining-service-net/Directory.Build.props
new file mode 100644
index 00000000..c3b74373
--- /dev/null
+++ b/services/mining-service-net/Directory.Build.props
@@ -0,0 +1,22 @@
+
+
+ net10.0
+ 14.0
+ enable
+ enable
+ true
+ true
+ $(NoWarn);1591;CA2017
+
+
+
+ GoodGo Team
+ GoodGo
+ © 2026 GoodGo. All rights reserved.
+ git
+
+
+
+
+
+
diff --git a/services/mining-service-net/Dockerfile b/services/mining-service-net/Dockerfile
new file mode 100644
index 00000000..28194630
--- /dev/null
+++ b/services/mining-service-net/Dockerfile
@@ -0,0 +1,66 @@
+# Build stage / Giai đoạn build
+FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+WORKDIR /src
+
+# EN: Copy project files for layer caching
+# VI: Sao chép các file project để tận dụng layer caching
+COPY ["src/MiningService.API/MiningService.API.csproj", "src/MiningService.API/"]
+COPY ["src/MiningService.Domain/MiningService.Domain.csproj", "src/MiningService.Domain/"]
+COPY ["src/MiningService.Infrastructure/MiningService.Infrastructure.csproj", "src/MiningService.Infrastructure/"]
+COPY ["Directory.Build.props", "./"]
+
+# EN: Restore dependencies
+# VI: Khôi phục dependencies
+RUN dotnet restore "src/MiningService.API/MiningService.API.csproj"
+
+# EN: Copy all source code
+# VI: Sao chép toàn bộ source code
+COPY src/ ./src/
+
+# EN: Build the application
+# VI: Build ứng dụng
+WORKDIR "/src/src/MiningService.API"
+RUN dotnet build "MiningService.API.csproj" -c Release -o /app/build --no-restore
+
+# Publish stage / Giai đoạn publish
+FROM build AS publish
+RUN dotnet publish "MiningService.API.csproj" -c Release -o /app/publish /p:UseAppHost=false --no-restore
+
+# Runtime stage / Giai đoạn runtime
+FROM mcr.microsoft.com/dotnet/aspnet:10.0 AS final
+WORKDIR /app
+
+# EN: Create non-root user for security
+# VI: Tạo user non-root cho bảo mật
+RUN groupadd -g 1001 dotnetuser && \
+ useradd -u 1001 -g dotnetuser -s /bin/sh dotnetuser
+
+# EN: Copy published application
+# VI: Sao chép ứng dụng đã publish
+COPY --from=publish /app/publish .
+
+# EN: Change ownership to non-root user
+# VI: Thay đổi quyền sở hữu sang user non-root
+RUN chown -R dotnetuser:dotnetuser /app
+
+# EN: Switch to non-root user
+# VI: Chuyển sang user non-root
+USER dotnetuser
+
+# EN: Expose port
+# VI: Mở cổng
+EXPOSE 8080
+
+# EN: Set environment variables
+# VI: Thiết lập biến môi trường
+ENV ASPNETCORE_URLS=http://+:8080
+ENV ASPNETCORE_ENVIRONMENT=Production
+
+# EN: Health check
+# VI: Kiểm tra health
+HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
+ CMD curl -f http://localhost:8080/health/live || exit 1
+
+# EN: Start the application
+# VI: Khởi động ứng dụng
+ENTRYPOINT ["dotnet", "MiningService.API.dll"]
diff --git a/services/mining-service-net/MiningService.slnx b/services/mining-service-net/MiningService.slnx
new file mode 100644
index 00000000..aaaebeac
--- /dev/null
+++ b/services/mining-service-net/MiningService.slnx
@@ -0,0 +1,11 @@
+
+
+
+
+
+
+
+
+
+
+
diff --git a/services/mining-service-net/docker-compose.yml b/services/mining-service-net/docker-compose.yml
new file mode 100644
index 00000000..101d65ce
--- /dev/null
+++ b/services/mining-service-net/docker-compose.yml
@@ -0,0 +1,73 @@
+version: '3.8'
+
+# EN: Docker Compose for Mining Service local development
+# VI: Docker Compose cho phát triển Mining Service local
+
+services:
+ mining-api:
+ build:
+ context: .
+ dockerfile: Dockerfile
+ container_name: mining-service-api
+ ports:
+ - "5010:8080"
+ environment:
+ - ASPNETCORE_ENVIRONMENT=Development
+ - DATABASE_URL=Host=postgres;Port=5432;Database=mining_db;Username=postgres;Password=postgres
+ - REDIS_URL=redis:6379
+ - RABBITMQ_URL=amqp://guest:guest@rabbitmq:5672
+ depends_on:
+ postgres:
+ condition: service_healthy
+ redis:
+ condition: service_healthy
+ networks:
+ - mining-network
+ healthcheck:
+ test: ["CMD", "curl", "-f", "http://localhost:8080/health/live"]
+ interval: 30s
+ timeout: 10s
+ retries: 3
+ start_period: 10s
+
+ postgres:
+ image: postgres:16-alpine
+ container_name: mining-postgres
+ environment:
+ POSTGRES_USER: postgres
+ POSTGRES_PASSWORD: postgres
+ POSTGRES_DB: mining_db
+ ports:
+ - "5442:5432"
+ volumes:
+ - postgres_data:/var/lib/postgresql/data
+ networks:
+ - mining-network
+ healthcheck:
+ test: ["CMD-SHELL", "pg_isready -U postgres"]
+ interval: 10s
+ timeout: 5s
+ retries: 5
+
+ redis:
+ image: redis:7-alpine
+ container_name: mining-redis
+ ports:
+ - "6389:6379"
+ volumes:
+ - redis_data:/data
+ networks:
+ - mining-network
+ healthcheck:
+ test: ["CMD", "redis-cli", "ping"]
+ interval: 10s
+ timeout: 5s
+ retries: 5
+
+volumes:
+ postgres_data:
+ redis_data:
+
+networks:
+ mining-network:
+ driver: bridge
diff --git a/services/mining-service-net/global.json b/services/mining-service-net/global.json
new file mode 100644
index 00000000..f78eeaf4
--- /dev/null
+++ b/services/mining-service-net/global.json
@@ -0,0 +1,7 @@
+{
+ "sdk": {
+ "version": "10.0.101",
+ "rollForward": "latestMinor",
+ "allowPrerelease": false
+ }
+}
\ No newline at end of file
diff --git a/services/mining-service-net/src/MiningService.API/Application/Behaviors/LoggingBehavior.cs b/services/mining-service-net/src/MiningService.API/Application/Behaviors/LoggingBehavior.cs
new file mode 100644
index 00000000..74dc2811
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Behaviors/LoggingBehavior.cs
@@ -0,0 +1,58 @@
+using System.Diagnostics;
+using MediatR;
+
+namespace MiningService.API.Application.Behaviors;
+
+///
+/// EN: MediatR behavior for logging request handling.
+/// VI: MediatR behavior để logging việc xử lý request.
+///
+/// EN: Request type / VI: Loại request
+/// EN: Response type / VI: Loại response
+public class LoggingBehavior : IPipelineBehavior
+ where TRequest : IRequest
+{
+ private readonly ILogger> _logger;
+
+ public LoggingBehavior(ILogger> logger)
+ {
+ _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+ }
+
+ public async Task Handle(
+ TRequest request,
+ RequestHandlerDelegate next,
+ CancellationToken cancellationToken)
+ {
+ var requestName = typeof(TRequest).Name;
+
+ _logger.LogInformation(
+ "Handling {RequestName} / Đang xử lý {RequestName}",
+ requestName);
+
+ var stopwatch = Stopwatch.StartNew();
+
+ try
+ {
+ var response = await next();
+
+ stopwatch.Stop();
+
+ _logger.LogInformation(
+ "Handled {RequestName} in {ElapsedMs}ms / Đã xử lý {RequestName} trong {ElapsedMs}ms",
+ requestName, stopwatch.ElapsedMilliseconds);
+
+ return response;
+ }
+ catch (Exception ex)
+ {
+ stopwatch.Stop();
+
+ _logger.LogError(ex,
+ "Error handling {RequestName} after {ElapsedMs}ms / Lỗi xử lý {RequestName} sau {ElapsedMs}ms",
+ requestName, stopwatch.ElapsedMilliseconds);
+
+ throw;
+ }
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Behaviors/TransactionBehavior.cs b/services/mining-service-net/src/MiningService.API/Application/Behaviors/TransactionBehavior.cs
new file mode 100644
index 00000000..fe9583fb
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Behaviors/TransactionBehavior.cs
@@ -0,0 +1,84 @@
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using MiningService.Infrastructure;
+
+namespace MiningService.API.Application.Behaviors;
+
+///
+/// EN: MediatR behavior for handling database transactions.
+/// VI: MediatR behavior để xử lý database transactions.
+///
+/// EN: Request type / VI: Loại request
+/// EN: Response type / VI: Loại response
+public class TransactionBehavior : IPipelineBehavior
+ where TRequest : IRequest
+{
+ private readonly MiningServiceContext _dbContext;
+ private readonly ILogger> _logger;
+
+ public TransactionBehavior(
+ MiningServiceContext dbContext,
+ ILogger> logger)
+ {
+ _dbContext = dbContext ?? throw new ArgumentNullException(nameof(dbContext));
+ _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+ }
+
+ public async Task Handle(
+ TRequest request,
+ RequestHandlerDelegate next,
+ CancellationToken cancellationToken)
+ {
+ var requestName = typeof(TRequest).Name;
+
+ // EN: Skip transaction for queries (read operations)
+ // VI: Bỏ qua transaction cho queries (các thao tác đọc)
+ if (requestName.EndsWith("Query"))
+ {
+ return await next();
+ }
+
+ // EN: Skip if already in a transaction
+ // VI: Bỏ qua nếu đã trong transaction
+ if (_dbContext.HasActiveTransaction)
+ {
+ return await next();
+ }
+
+ var strategy = _dbContext.Database.CreateExecutionStrategy();
+
+ return await strategy.ExecuteAsync(async () =>
+ {
+ await using var transaction = await _dbContext.BeginTransactionAsync();
+
+ _logger.LogInformation(
+ "Begin transaction {TransactionId} for {RequestName} / Bắt đầu transaction {TransactionId} cho {RequestName}",
+ transaction?.TransactionId, requestName);
+
+ try
+ {
+ var response = await next();
+
+ if (transaction != null)
+ {
+ await _dbContext.CommitTransactionAsync(transaction);
+
+ _logger.LogInformation(
+ "Committed transaction {TransactionId} for {RequestName} / Đã commit transaction {TransactionId} cho {RequestName}",
+ transaction.TransactionId, requestName);
+ }
+
+ return response;
+ }
+ catch (Exception ex)
+ {
+ _logger.LogError(ex,
+ "Error during transaction {TransactionId} for {RequestName} / Lỗi trong transaction {TransactionId} cho {RequestName}",
+ transaction?.TransactionId, requestName);
+
+ _dbContext.RollbackTransaction();
+ throw;
+ }
+ });
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Behaviors/ValidatorBehavior.cs b/services/mining-service-net/src/MiningService.API/Application/Behaviors/ValidatorBehavior.cs
new file mode 100644
index 00000000..0f245b7f
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Behaviors/ValidatorBehavior.cs
@@ -0,0 +1,63 @@
+using FluentValidation;
+using MediatR;
+
+namespace MiningService.API.Application.Behaviors;
+
+///
+/// EN: MediatR behavior for FluentValidation integration.
+/// VI: MediatR behavior để tích hợp FluentValidation.
+///
+/// EN: Request type / VI: Loại request
+/// EN: Response type / VI: Loại response
+public class ValidatorBehavior : IPipelineBehavior
+ where TRequest : IRequest
+{
+ private readonly IEnumerable> _validators;
+ private readonly ILogger> _logger;
+
+ public ValidatorBehavior(
+ IEnumerable> validators,
+ ILogger> logger)
+ {
+ _validators = validators ?? throw new ArgumentNullException(nameof(validators));
+ _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+ }
+
+ public async Task Handle(
+ TRequest request,
+ RequestHandlerDelegate next,
+ CancellationToken cancellationToken)
+ {
+ var requestName = typeof(TRequest).Name;
+
+ if (!_validators.Any())
+ {
+ return await next();
+ }
+
+ _logger.LogDebug(
+ "Validating {RequestName} / Đang validate {RequestName}",
+ requestName);
+
+ var context = new ValidationContext(request);
+
+ var validationResults = await Task.WhenAll(
+ _validators.Select(v => v.ValidateAsync(context, cancellationToken)));
+
+ var failures = validationResults
+ .SelectMany(r => r.Errors)
+ .Where(f => f != null)
+ .ToList();
+
+ if (failures.Count != 0)
+ {
+ _logger.LogWarning(
+ "Validation failed for {RequestName} with {ErrorCount} errors / Validation thất bại cho {RequestName} với {ErrorCount} lỗi",
+ requestName, failures.Count);
+
+ throw new ValidationException(failures);
+ }
+
+ return await next();
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Commands/AdminMinerCommands.cs b/services/mining-service-net/src/MiningService.API/Application/Commands/AdminMinerCommands.cs
new file mode 100644
index 00000000..074f6ce8
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Commands/AdminMinerCommands.cs
@@ -0,0 +1,61 @@
+using MediatR;
+using MiningService.Domain.AggregatesModel.MinerAggregate;
+using MiningService.Domain.Exceptions;
+
+namespace MiningService.API.Application.Commands;
+
+///
+/// EN: Command to suspend a miner.
+/// VI: Command để tạm ngừng thợ đào.
+///
+public record SuspendMinerCommand(Guid MinerId, string Reason) : IRequest;
+
+public class SuspendMinerCommandHandler : IRequestHandler
+{
+ private readonly IMinerRepository _minerRepository;
+
+ public SuspendMinerCommandHandler(IMinerRepository minerRepository)
+ {
+ _minerRepository = minerRepository;
+ }
+
+ public async Task Handle(SuspendMinerCommand request, CancellationToken cancellationToken)
+ {
+ var miner = await _minerRepository.GetByIdAsync(request.MinerId, cancellationToken)
+ ?? throw new MinerNotFoundException(request.MinerId);
+
+ miner.Suspend();
+ _minerRepository.Update(miner);
+ await _minerRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken);
+
+ return true;
+ }
+}
+
+///
+/// EN: Command to restore a suspended miner.
+/// VI: Command để khôi phục thợ đào bị tạm ngừng.
+///
+public record RestoreMinerCommand(Guid MinerId) : IRequest;
+
+public class RestoreMinerCommandHandler : IRequestHandler
+{
+ private readonly IMinerRepository _minerRepository;
+
+ public RestoreMinerCommandHandler(IMinerRepository minerRepository)
+ {
+ _minerRepository = minerRepository;
+ }
+
+ public async Task Handle(RestoreMinerCommand request, CancellationToken cancellationToken)
+ {
+ var miner = await _minerRepository.GetByIdAsync(request.MinerId, cancellationToken)
+ ?? throw new MinerNotFoundException(request.MinerId);
+
+ miner.Restore();
+ _minerRepository.Update(miner);
+ await _minerRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken);
+
+ return true;
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Commands/ApplyReferralCodeCommand.cs b/services/mining-service-net/src/MiningService.API/Application/Commands/ApplyReferralCodeCommand.cs
new file mode 100644
index 00000000..f1633818
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Commands/ApplyReferralCodeCommand.cs
@@ -0,0 +1,11 @@
+using MediatR;
+
+namespace MiningService.API.Application.Commands;
+
+///
+/// EN: Command to apply a referral code.
+/// VI: Command để áp dụng mã giới thiệu.
+///
+public record ApplyReferralCodeCommand(Guid UserId, string ReferralCode) : IRequest;
+
+public record ApplyReferralResult(Guid ReferralId, Guid ReferrerId, bool IsActive);
diff --git a/services/mining-service-net/src/MiningService.API/Application/Commands/ApplyReferralCodeCommandHandler.cs b/services/mining-service-net/src/MiningService.API/Application/Commands/ApplyReferralCodeCommandHandler.cs
new file mode 100644
index 00000000..d3c2b63d
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Commands/ApplyReferralCodeCommandHandler.cs
@@ -0,0 +1,51 @@
+using MediatR;
+using MiningService.Domain.AggregatesModel.MinerAggregate;
+using MiningService.Domain.AggregatesModel.ReferralAggregate;
+using MiningService.Domain.Exceptions;
+
+namespace MiningService.API.Application.Commands;
+
+///
+/// EN: Handler for ApplyReferralCodeCommand.
+/// VI: Handler cho ApplyReferralCodeCommand.
+///
+public class ApplyReferralCodeCommandHandler : IRequestHandler
+{
+ private readonly IReferralRepository _referralRepository;
+ private readonly IMinerRepository _minerRepository;
+
+ public ApplyReferralCodeCommandHandler(
+ IReferralRepository referralRepository,
+ IMinerRepository minerRepository)
+ {
+ _referralRepository = referralRepository;
+ _minerRepository = minerRepository;
+ }
+
+ public async Task Handle(ApplyReferralCodeCommand request, CancellationToken cancellationToken)
+ {
+ // Get the user who is applying the code
+ var referredMiner = await _minerRepository.GetByUserIdAsync(request.UserId, cancellationToken)
+ ?? throw new MinerNotFoundException($"Miner with UserId {request.UserId} not found");
+
+ // Check if already has a referrer
+ if (referredMiner.ReferredById.HasValue)
+ throw new ReferralDomainException("User already has a referrer");
+
+ // Find referrer by code
+ var referrer = await _minerRepository.GetByReferralCodeAsync(request.ReferralCode, cancellationToken)
+ ?? throw new ReferralDomainException("Invalid referral code");
+
+ // Cannot self-refer
+ if (referrer.Id == referredMiner.Id)
+ throw new ReferralDomainException("Cannot use your own referral code");
+
+ // Create referral (inactive until KYC)
+ var referral = Referral.Create(referrer.Id, referredMiner.Id, request.ReferralCode);
+ _referralRepository.Add(referral);
+
+ await _referralRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken);
+
+ return new ApplyReferralResult(referral.Id, referrer.Id, referral.IsActive);
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Commands/ClaimMiningRewardCommand.cs b/services/mining-service-net/src/MiningService.API/Application/Commands/ClaimMiningRewardCommand.cs
new file mode 100644
index 00000000..e655b84b
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Commands/ClaimMiningRewardCommand.cs
@@ -0,0 +1,15 @@
+using MediatR;
+
+namespace MiningService.API.Application.Commands;
+
+///
+/// EN: Command to claim mining reward.
+/// VI: Command để nhận thưởng đào.
+///
+public record ClaimMiningRewardCommand(Guid UserId) : IRequest;
+
+public record ClaimMiningRewardResult(
+ decimal PointsEarned,
+ decimal TotalPoints,
+ int StreakDays,
+ decimal StreakBonus);
diff --git a/services/mining-service-net/src/MiningService.API/Application/Commands/ClaimMiningRewardCommandHandler.cs b/services/mining-service-net/src/MiningService.API/Application/Commands/ClaimMiningRewardCommandHandler.cs
new file mode 100644
index 00000000..3a5b8486
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Commands/ClaimMiningRewardCommandHandler.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using MiningService.Domain.AggregatesModel.MinerAggregate;
+using MiningService.Domain.Exceptions;
+
+namespace MiningService.API.Application.Commands;
+
+///
+/// EN: Handler for ClaimMiningRewardCommand.
+/// VI: Handler cho ClaimMiningRewardCommand.
+///
+public class ClaimMiningRewardCommandHandler : IRequestHandler
+{
+ private readonly IMinerRepository _minerRepository;
+
+ public ClaimMiningRewardCommandHandler(IMinerRepository minerRepository)
+ {
+ _minerRepository = minerRepository;
+ }
+
+ public async Task Handle(ClaimMiningRewardCommand request, CancellationToken cancellationToken)
+ {
+ var miner = await _minerRepository.GetByUserIdAsync(request.UserId, cancellationToken)
+ ?? throw new MinerNotFoundException($"Miner with UserId {request.UserId} not found");
+
+ var pointsEarned = miner.ClaimMiningReward();
+
+ _minerRepository.Update(miner);
+ await _minerRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken);
+
+ return new ClaimMiningRewardResult(
+ pointsEarned,
+ miner.TotalMinedPoints,
+ miner.Streak.CurrentStreak,
+ miner.Streak.BonusMultiplier);
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Commands/CreateCircleCommand.cs b/services/mining-service-net/src/MiningService.API/Application/Commands/CreateCircleCommand.cs
new file mode 100644
index 00000000..67f38e30
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Commands/CreateCircleCommand.cs
@@ -0,0 +1,11 @@
+using MediatR;
+
+namespace MiningService.API.Application.Commands;
+
+///
+/// EN: Command to create a security circle.
+/// VI: Command để tạo vòng tròn an toàn.
+///
+public record CreateCircleCommand(Guid UserId, string Name) : IRequest;
+
+public record CreateCircleResult(Guid CircleId, string Name);
diff --git a/services/mining-service-net/src/MiningService.API/Application/Commands/CreateCircleCommandHandler.cs b/services/mining-service-net/src/MiningService.API/Application/Commands/CreateCircleCommandHandler.cs
new file mode 100644
index 00000000..5576c2b5
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Commands/CreateCircleCommandHandler.cs
@@ -0,0 +1,50 @@
+using MediatR;
+using MiningService.Domain.AggregatesModel.CircleAggregate;
+using MiningService.Domain.AggregatesModel.MinerAggregate;
+using MiningService.Domain.Exceptions;
+
+namespace MiningService.API.Application.Commands;
+
+///
+/// EN: Handler for CreateCircleCommand.
+/// VI: Handler cho CreateCircleCommand.
+///
+public class CreateCircleCommandHandler : IRequestHandler
+{
+ private readonly ICircleRepository _circleRepository;
+ private readonly IMinerRepository _minerRepository;
+
+ public CreateCircleCommandHandler(
+ ICircleRepository circleRepository,
+ IMinerRepository minerRepository)
+ {
+ _circleRepository = circleRepository;
+ _minerRepository = minerRepository;
+ }
+
+ public async Task Handle(CreateCircleCommand request, CancellationToken cancellationToken)
+ {
+ var miner = await _minerRepository.GetByUserIdAsync(request.UserId, cancellationToken)
+ ?? throw new MinerNotFoundException($"Miner with UserId {request.UserId} not found");
+
+ // Check if miner already owns a circle
+ var existingCircle = await _circleRepository.GetByOwnerIdAsync(miner.Id, cancellationToken);
+ if (existingCircle != null)
+ throw new CircleDomainException("You already own a circle");
+
+ // Check if miner is already in a circle
+ if (miner.CircleId.HasValue)
+ throw new CircleDomainException("You are already a member of a circle");
+
+ var circle = Circle.Create(miner.Id, request.Name);
+ _circleRepository.Add(circle);
+
+ // Update miner's circle reference
+ miner.JoinCircle(circle.Id);
+ _minerRepository.Update(miner);
+
+ await _circleRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken);
+
+ return new CreateCircleResult(circle.Id, circle.Name);
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Commands/InviteToCircleCommand.cs b/services/mining-service-net/src/MiningService.API/Application/Commands/InviteToCircleCommand.cs
new file mode 100644
index 00000000..d6fd97c9
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Commands/InviteToCircleCommand.cs
@@ -0,0 +1,9 @@
+using MediatR;
+
+namespace MiningService.API.Application.Commands;
+
+///
+/// EN: Command to invite a member to circle.
+/// VI: Command để mời thành viên vào vòng tròn.
+///
+public record InviteToCircleCommand(Guid UserId, Guid TargetMinerId) : IRequest;
diff --git a/services/mining-service-net/src/MiningService.API/Application/Commands/InviteToCircleCommandHandler.cs b/services/mining-service-net/src/MiningService.API/Application/Commands/InviteToCircleCommandHandler.cs
new file mode 100644
index 00000000..d0e6f849
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Commands/InviteToCircleCommandHandler.cs
@@ -0,0 +1,61 @@
+using MediatR;
+using MiningService.Domain.AggregatesModel.CircleAggregate;
+using MiningService.Domain.AggregatesModel.MinerAggregate;
+using MiningService.Domain.Exceptions;
+
+namespace MiningService.API.Application.Commands;
+
+///
+/// EN: Handler for InviteToCircleCommand.
+/// VI: Handler cho InviteToCircleCommand.
+///
+public class InviteToCircleCommandHandler : IRequestHandler
+{
+ private readonly ICircleRepository _circleRepository;
+ private readonly IMinerRepository _minerRepository;
+
+ public InviteToCircleCommandHandler(
+ ICircleRepository circleRepository,
+ IMinerRepository minerRepository)
+ {
+ _circleRepository = circleRepository;
+ _minerRepository = minerRepository;
+ }
+
+ public async Task Handle(InviteToCircleCommand request, CancellationToken cancellationToken)
+ {
+ var inviter = await _minerRepository.GetByUserIdAsync(request.UserId, cancellationToken)
+ ?? throw new MinerNotFoundException($"Miner with UserId {request.UserId} not found");
+
+ var circle = await _circleRepository.GetByOwnerIdAsync(inviter.Id, cancellationToken)
+ ?? throw new CircleDomainException("You don't own a circle");
+
+ var targetMiner = await _minerRepository.GetByIdAsync(request.TargetMinerId, cancellationToken)
+ ?? throw new MinerNotFoundException($"Target miner not found");
+
+ if (targetMiner.CircleId.HasValue)
+ throw new CircleDomainException("Target miner is already in a circle");
+
+ // Add member to circle
+ circle.AddMember(targetMiner.Id);
+ _circleRepository.Update(circle);
+
+ // Update target miner's circle reference
+ targetMiner.JoinCircle(circle.Id);
+ _minerRepository.Update(targetMiner);
+
+ // Recalculate rates for all members if circle becomes valid
+ if (circle.IsValid)
+ {
+ foreach (var member in circle.Members.Where(m => m.IsActive))
+ {
+ var memberMiner = await _minerRepository.GetByIdAsync(member.MinerId, cancellationToken);
+ memberMiner?.RecalculateRate(circleBonus: circle.BonusMultiplier);
+ if (memberMiner != null) _minerRepository.Update(memberMiner);
+ }
+ }
+
+ await _circleRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken);
+ return true;
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Commands/StartMiningCommand.cs b/services/mining-service-net/src/MiningService.API/Application/Commands/StartMiningCommand.cs
new file mode 100644
index 00000000..753078af
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Commands/StartMiningCommand.cs
@@ -0,0 +1,15 @@
+using MediatR;
+
+namespace MiningService.API.Application.Commands;
+
+///
+/// EN: Command to start a mining session.
+/// VI: Command để bắt đầu phiên đào.
+///
+public record StartMiningCommand(Guid UserId) : IRequest;
+
+public record StartMiningResult(
+ Guid SessionId,
+ decimal HourlyRate,
+ DateTime EndTime,
+ int StreakDays);
diff --git a/services/mining-service-net/src/MiningService.API/Application/Commands/StartMiningCommandHandler.cs b/services/mining-service-net/src/MiningService.API/Application/Commands/StartMiningCommandHandler.cs
new file mode 100644
index 00000000..64fea51a
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Commands/StartMiningCommandHandler.cs
@@ -0,0 +1,36 @@
+using MediatR;
+using MiningService.Domain.AggregatesModel.MinerAggregate;
+using MiningService.Domain.Exceptions;
+
+namespace MiningService.API.Application.Commands;
+
+///
+/// EN: Handler for StartMiningCommand.
+/// VI: Handler cho StartMiningCommand.
+///
+public class StartMiningCommandHandler : IRequestHandler
+{
+ private readonly IMinerRepository _minerRepository;
+
+ public StartMiningCommandHandler(IMinerRepository minerRepository)
+ {
+ _minerRepository = minerRepository;
+ }
+
+ public async Task Handle(StartMiningCommand request, CancellationToken cancellationToken)
+ {
+ var miner = await _minerRepository.GetByUserIdAsync(request.UserId, cancellationToken)
+ ?? throw new MinerNotFoundException($"Miner with UserId {request.UserId} not found");
+
+ var session = miner.StartMiningSession();
+
+ _minerRepository.Update(miner);
+ await _minerRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken);
+
+ return new StartMiningResult(
+ session.SessionId,
+ session.HourlyRate,
+ session.EndTime,
+ miner.Streak.CurrentStreak);
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Queries/GetAdminOverviewQuery.cs b/services/mining-service-net/src/MiningService.API/Application/Queries/GetAdminOverviewQuery.cs
new file mode 100644
index 00000000..c9a017db
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Queries/GetAdminOverviewQuery.cs
@@ -0,0 +1,45 @@
+using MediatR;
+using MiningService.Domain.AggregatesModel.MinerAggregate;
+
+namespace MiningService.API.Application.Queries;
+
+///
+/// EN: Query for admin dashboard overview.
+/// VI: Query tổng quan dashboard admin.
+///
+public record GetAdminOverviewQuery() : IRequest;
+
+public record AdminOverviewDto(
+ int TotalMiners,
+ int ActiveMiners,
+ int MinersWithActiveSession,
+ decimal TotalPointsMined,
+ int TotalCircles,
+ int ValidCircles,
+ int TotalReferrals,
+ int ActiveReferrals);
+
+public class GetAdminOverviewQueryHandler : IRequestHandler
+{
+ private readonly IMinerRepository _minerRepository;
+
+ public GetAdminOverviewQueryHandler(IMinerRepository minerRepository)
+ {
+ _minerRepository = minerRepository;
+ }
+
+ public async Task Handle(GetAdminOverviewQuery request, CancellationToken cancellationToken)
+ {
+ // Note: In production, use Dapper for read-optimized queries
+ // This is a simplified version
+ return new AdminOverviewDto(
+ TotalMiners: 0, // TODO: Implement with Dapper
+ ActiveMiners: 0,
+ MinersWithActiveSession: 0,
+ TotalPointsMined: 0,
+ TotalCircles: 0,
+ ValidCircles: 0,
+ TotalReferrals: 0,
+ ActiveReferrals: 0);
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Queries/GetCircleQuery.cs b/services/mining-service-net/src/MiningService.API/Application/Queries/GetCircleQuery.cs
new file mode 100644
index 00000000..bc5f2549
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Queries/GetCircleQuery.cs
@@ -0,0 +1,65 @@
+using MediatR;
+using MiningService.Domain.AggregatesModel.CircleAggregate;
+using MiningService.Domain.AggregatesModel.MinerAggregate;
+
+namespace MiningService.API.Application.Queries;
+
+///
+/// EN: Query to get circle details.
+/// VI: Query để lấy chi tiết vòng tròn.
+///
+public record GetCircleQuery(Guid UserId) : IRequest;
+
+public record CircleDto(
+ Guid CircleId,
+ string Name,
+ Guid OwnerId,
+ int MemberCount,
+ decimal TrustScore,
+ decimal BonusMultiplier,
+ bool IsValid,
+ string Status,
+ List Members);
+
+public record CircleMemberDto(
+ Guid MinerId,
+ DateTime JoinedAt,
+ bool IsActive);
+
+public class GetCircleQueryHandler : IRequestHandler
+{
+ private readonly ICircleRepository _circleRepository;
+ private readonly IMinerRepository _minerRepository;
+
+ public GetCircleQueryHandler(
+ ICircleRepository circleRepository,
+ IMinerRepository minerRepository)
+ {
+ _circleRepository = circleRepository;
+ _minerRepository = minerRepository;
+ }
+
+ public async Task Handle(GetCircleQuery request, CancellationToken cancellationToken)
+ {
+ var miner = await _minerRepository.GetByUserIdAsync(request.UserId, cancellationToken);
+ if (miner == null || !miner.CircleId.HasValue) return null;
+
+ var circle = await _circleRepository.GetByIdAsync(miner.CircleId.Value, cancellationToken);
+ if (circle == null) return null;
+
+ return new CircleDto(
+ circle.Id,
+ circle.Name,
+ circle.OwnerId,
+ circle.ActiveMemberCount,
+ circle.TrustScore,
+ circle.BonusMultiplier,
+ circle.IsValid,
+ circle.Status.ToString(),
+ circle.Members.Select(m => new CircleMemberDto(
+ m.MinerId,
+ m.JoinedAt,
+ m.IsActive
+ )).ToList());
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Queries/GetMinerStatusQuery.cs b/services/mining-service-net/src/MiningService.API/Application/Queries/GetMinerStatusQuery.cs
new file mode 100644
index 00000000..bd8c6d2d
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Queries/GetMinerStatusQuery.cs
@@ -0,0 +1,53 @@
+using MediatR;
+using MiningService.Domain.AggregatesModel.MinerAggregate;
+using MiningService.Domain.Exceptions;
+
+namespace MiningService.API.Application.Queries;
+
+///
+/// EN: Query to get miner status.
+/// VI: Query để lấy trạng thái thợ đào.
+///
+public record GetMinerStatusQuery(Guid UserId) : IRequest;
+
+public record MinerStatusDto(
+ Guid MinerId,
+ string Role,
+ decimal TotalMinedPoints,
+ decimal HourlyRate,
+ decimal DailyRate,
+ int CurrentStreak,
+ int LongestStreak,
+ decimal StreakBonus,
+ bool HasActiveSession,
+ DateTime? SessionEndTime,
+ string Status);
+
+public class GetMinerStatusQueryHandler : IRequestHandler
+{
+ private readonly IMinerRepository _minerRepository;
+
+ public GetMinerStatusQueryHandler(IMinerRepository minerRepository)
+ {
+ _minerRepository = minerRepository;
+ }
+
+ public async Task Handle(GetMinerStatusQuery request, CancellationToken cancellationToken)
+ {
+ var miner = await _minerRepository.GetByUserIdAsync(request.UserId, cancellationToken);
+ if (miner == null) return null;
+
+ return new MinerStatusDto(
+ miner.Id,
+ miner.Role.ToString(),
+ miner.TotalMinedPoints,
+ miner.CurrentRate.TotalRate,
+ miner.CurrentRate.DailyRate,
+ miner.Streak.CurrentStreak,
+ miner.Streak.LongestStreak,
+ miner.Streak.BonusMultiplier,
+ miner.ActiveSession?.Status == MiningSessionStatus.Active,
+ miner.ActiveSession?.EndTime,
+ miner.Status.ToString());
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Application/Queries/GetReferralsQuery.cs b/services/mining-service-net/src/MiningService.API/Application/Queries/GetReferralsQuery.cs
new file mode 100644
index 00000000..045c6f09
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Application/Queries/GetReferralsQuery.cs
@@ -0,0 +1,63 @@
+using MediatR;
+using MiningService.Domain.AggregatesModel.MinerAggregate;
+using MiningService.Domain.AggregatesModel.ReferralAggregate;
+
+namespace MiningService.API.Application.Queries;
+
+///
+/// EN: Query to get user's referrals.
+/// VI: Query để lấy danh sách giới thiệu.
+///
+public record GetReferralsQuery(Guid UserId) : IRequest;
+
+public record ReferralsDto(
+ string MyReferralCode,
+ int TotalReferrals,
+ int ActiveReferrals,
+ decimal TotalBonusPercent,
+ List Referrals);
+
+public record ReferralDto(
+ Guid ReferralId,
+ Guid ReferredId,
+ bool IsActive,
+ DateTime CreatedAt,
+ DateTime? ActivatedAt);
+
+public class GetReferralsQueryHandler : IRequestHandler
+{
+ private readonly IReferralRepository _referralRepository;
+ private readonly IMinerRepository _minerRepository;
+
+ public GetReferralsQueryHandler(
+ IReferralRepository referralRepository,
+ IMinerRepository minerRepository)
+ {
+ _referralRepository = referralRepository;
+ _minerRepository = minerRepository;
+ }
+
+ public async Task Handle(GetReferralsQuery request, CancellationToken cancellationToken)
+ {
+ var miner = await _minerRepository.GetByUserIdAsync(request.UserId, cancellationToken);
+ if (miner == null)
+ return new ReferralsDto("", 0, 0, 0, new List());
+
+ var referrals = await _referralRepository.GetByReferrerIdAsync(miner.Id, cancellationToken);
+ var activeCount = referrals.Count(r => r.IsActive);
+ var bonusPercent = Math.Min(activeCount * 0.25m, 1.0m); // 25% per referral, max 100%
+
+ return new ReferralsDto(
+ miner.ReferralCode,
+ referrals.Count,
+ activeCount,
+ bonusPercent,
+ referrals.Select(r => new ReferralDto(
+ r.Id,
+ r.ReferredId,
+ r.IsActive,
+ r.CreatedAt,
+ r.ActivatedAt
+ )).ToList());
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Controllers/AdminController.cs b/services/mining-service-net/src/MiningService.API/Controllers/AdminController.cs
new file mode 100644
index 00000000..e442a477
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Controllers/AdminController.cs
@@ -0,0 +1,70 @@
+using MediatR;
+using Microsoft.AspNetCore.Mvc;
+using MiningService.API.Application.Commands;
+using MiningService.API.Application.Queries;
+
+namespace MiningService.API.Controllers;
+
+///
+/// EN: Admin backoffice controller.
+/// VI: Controller cho admin backoffice.
+///
+[ApiController]
+[Route("api/v1/admin")]
+public class AdminController : ControllerBase
+{
+ private readonly IMediator _mediator;
+
+ public AdminController(IMediator mediator)
+ {
+ _mediator = mediator;
+ }
+
+ #region Analytics
+
+ ///
+ /// EN: Get admin dashboard overview.
+ /// VI: Lấy tổng quan dashboard admin.
+ ///
+ [HttpGet("analytics/overview")]
+ [ProducesResponseType(typeof(AdminOverviewDto), StatusCodes.Status200OK)]
+ public async Task GetOverview(CancellationToken ct)
+ {
+ var result = await _mediator.Send(new GetAdminOverviewQuery(), ct);
+ return Ok(result);
+ }
+
+ #endregion
+
+ #region Miner Management
+
+ ///
+ /// EN: Suspend a miner account.
+ /// VI: Tạm ngừng tài khoản thợ đào.
+ ///
+ [HttpPut("miners/{minerId}/suspend")]
+ [ProducesResponseType(StatusCodes.Status200OK)]
+ [ProducesResponseType(StatusCodes.Status404NotFound)]
+ public async Task SuspendMiner(Guid minerId, [FromBody] SuspendRequest request, CancellationToken ct)
+ {
+ await _mediator.Send(new SuspendMinerCommand(minerId, request.Reason), ct);
+ return Ok(new { message = "Miner suspended successfully" });
+ }
+
+ ///
+ /// EN: Restore a suspended miner account.
+ /// VI: Khôi phục tài khoản thợ đào bị tạm ngừng.
+ ///
+ [HttpPut("miners/{minerId}/restore")]
+ [ProducesResponseType(StatusCodes.Status200OK)]
+ [ProducesResponseType(StatusCodes.Status404NotFound)]
+ public async Task RestoreMiner(Guid minerId, CancellationToken ct)
+ {
+ await _mediator.Send(new RestoreMinerCommand(minerId), ct);
+ return Ok(new { message = "Miner restored successfully" });
+ }
+
+ #endregion
+}
+
+public record SuspendRequest(string Reason);
diff --git a/services/mining-service-net/src/MiningService.API/Controllers/CirclesController.cs b/services/mining-service-net/src/MiningService.API/Controllers/CirclesController.cs
new file mode 100644
index 00000000..4196e480
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Controllers/CirclesController.cs
@@ -0,0 +1,65 @@
+using MediatR;
+using Microsoft.AspNetCore.Mvc;
+using MiningService.API.Application.Commands;
+using MiningService.API.Application.Queries;
+
+namespace MiningService.API.Controllers;
+
+///
+/// EN: Security circles controller.
+/// VI: Controller cho vòng tròn an toàn.
+///
+[ApiController]
+[Route("api/v1/[controller]")]
+public class CirclesController : ControllerBase
+{
+ private readonly IMediator _mediator;
+
+ public CirclesController(IMediator mediator)
+ {
+ _mediator = mediator;
+ }
+
+ ///
+ /// EN: Get user's circle.
+ /// VI: Lấy vòng tròn của người dùng.
+ ///
+ [HttpGet("me")]
+ [ProducesResponseType(typeof(CircleDto), StatusCodes.Status200OK)]
+ [ProducesResponseType(StatusCodes.Status404NotFound)]
+ public async Task GetMyCircle([FromQuery] Guid userId, CancellationToken ct)
+ {
+ var result = await _mediator.Send(new GetCircleQuery(userId), ct);
+ if (result == null) return NotFound();
+ return Ok(result);
+ }
+
+ ///
+ /// EN: Create a new security circle.
+ /// VI: Tạo vòng tròn an toàn mới.
+ ///
+ [HttpPost]
+ [ProducesResponseType(typeof(CreateCircleResult), StatusCodes.Status201Created)]
+ [ProducesResponseType(StatusCodes.Status400BadRequest)]
+ public async Task CreateCircle([FromBody] CreateCircleRequest request, CancellationToken ct)
+ {
+ var result = await _mediator.Send(new CreateCircleCommand(request.UserId, request.Name), ct);
+ return CreatedAtAction(nameof(GetMyCircle), new { userId = request.UserId }, result);
+ }
+
+ ///
+ /// EN: Invite a member to circle.
+ /// VI: Mời thành viên vào vòng tròn.
+ ///
+ [HttpPost("invite")]
+ [ProducesResponseType(StatusCodes.Status200OK)]
+ [ProducesResponseType(StatusCodes.Status400BadRequest)]
+ public async Task InviteMember([FromBody] InviteMemberRequest request, CancellationToken ct)
+ {
+ await _mediator.Send(new InviteToCircleCommand(request.UserId, request.TargetMinerId), ct);
+ return Ok(new { message = "Member invited successfully" });
+ }
+}
+
+public record CreateCircleRequest(Guid UserId, string Name);
+public record InviteMemberRequest(Guid UserId, Guid TargetMinerId);
diff --git a/services/mining-service-net/src/MiningService.API/Controllers/MiningController.cs b/services/mining-service-net/src/MiningService.API/Controllers/MiningController.cs
new file mode 100644
index 00000000..5e550f15
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Controllers/MiningController.cs
@@ -0,0 +1,66 @@
+using MediatR;
+using Microsoft.AspNetCore.Mvc;
+using MiningService.API.Application.Commands;
+using MiningService.API.Application.Queries;
+
+namespace MiningService.API.Controllers;
+
+///
+/// EN: Mining operations controller.
+/// VI: Controller cho các thao tác đào.
+///
+[ApiController]
+[Route("api/v1/[controller]")]
+public class MiningController : ControllerBase
+{
+ private readonly IMediator _mediator;
+
+ public MiningController(IMediator mediator)
+ {
+ _mediator = mediator;
+ }
+
+ ///
+ /// EN: Get current miner status.
+ /// VI: Lấy trạng thái thợ đào hiện tại.
+ ///
+ [HttpGet("me")]
+ [ProducesResponseType(typeof(MinerStatusDto), StatusCodes.Status200OK)]
+ [ProducesResponseType(StatusCodes.Status404NotFound)]
+ public async Task GetMinerStatus([FromQuery] Guid userId, CancellationToken cancellationToken)
+ {
+ var result = await _mediator.Send(new GetMinerStatusQuery(userId), cancellationToken);
+ if (result == null)
+ return NotFound();
+ return Ok(result);
+ }
+
+ ///
+ /// EN: Start a new mining session.
+ /// VI: Bắt đầu phiên đào mới.
+ ///
+ [HttpPost("start")]
+ [ProducesResponseType(typeof(StartMiningResult), StatusCodes.Status200OK)]
+ [ProducesResponseType(StatusCodes.Status400BadRequest)]
+ public async Task StartMining([FromBody] StartMiningRequest request, CancellationToken cancellationToken)
+ {
+ var result = await _mediator.Send(new StartMiningCommand(request.UserId), cancellationToken);
+ return Ok(result);
+ }
+
+ ///
+ /// EN: Claim mining reward from completed session.
+ /// VI: Nhận thưởng đào từ phiên hoàn thành.
+ ///
+ [HttpPost("claim")]
+ [ProducesResponseType(typeof(ClaimMiningRewardResult), StatusCodes.Status200OK)]
+ [ProducesResponseType(StatusCodes.Status400BadRequest)]
+ public async Task ClaimReward([FromBody] ClaimMiningRequest request, CancellationToken cancellationToken)
+ {
+ var result = await _mediator.Send(new ClaimMiningRewardCommand(request.UserId), cancellationToken);
+ return Ok(result);
+ }
+}
+
+public record StartMiningRequest(Guid UserId);
+public record ClaimMiningRequest(Guid UserId);
diff --git a/services/mining-service-net/src/MiningService.API/Controllers/ReferralsController.cs b/services/mining-service-net/src/MiningService.API/Controllers/ReferralsController.cs
new file mode 100644
index 00000000..9757176f
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Controllers/ReferralsController.cs
@@ -0,0 +1,49 @@
+using MediatR;
+using Microsoft.AspNetCore.Mvc;
+using MiningService.API.Application.Commands;
+using MiningService.API.Application.Queries;
+
+namespace MiningService.API.Controllers;
+
+///
+/// EN: Referrals controller.
+/// VI: Controller cho giới thiệu.
+///
+[ApiController]
+[Route("api/v1/[controller]")]
+public class ReferralsController : ControllerBase
+{
+ private readonly IMediator _mediator;
+
+ public ReferralsController(IMediator mediator)
+ {
+ _mediator = mediator;
+ }
+
+ ///
+ /// EN: Get my referral code and referrals list.
+ /// VI: Lấy mã giới thiệu và danh sách người được giới thiệu.
+ ///
+ [HttpGet]
+ [ProducesResponseType(typeof(ReferralsDto), StatusCodes.Status200OK)]
+ public async Task GetReferrals([FromQuery] Guid userId, CancellationToken ct)
+ {
+ var result = await _mediator.Send(new GetReferralsQuery(userId), ct);
+ return Ok(result);
+ }
+
+ ///
+ /// EN: Apply a referral code.
+ /// VI: Áp dụng mã giới thiệu.
+ ///
+ [HttpPost("apply")]
+ [ProducesResponseType(typeof(ApplyReferralResult), StatusCodes.Status200OK)]
+ [ProducesResponseType(StatusCodes.Status400BadRequest)]
+ public async Task ApplyReferralCode([FromBody] ApplyReferralRequest request, CancellationToken ct)
+ {
+ var result = await _mediator.Send(new ApplyReferralCodeCommand(request.UserId, request.ReferralCode), ct);
+ return Ok(result);
+ }
+}
+
+public record ApplyReferralRequest(Guid UserId, string ReferralCode);
diff --git a/services/mining-service-net/src/MiningService.API/HealthChecks/HealthChecks.cs b/services/mining-service-net/src/MiningService.API/HealthChecks/HealthChecks.cs
new file mode 100644
index 00000000..abae6d1e
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/HealthChecks/HealthChecks.cs
@@ -0,0 +1,66 @@
+using Microsoft.Extensions.Diagnostics.HealthChecks;
+using MiningService.Infrastructure;
+
+namespace MiningService.API.HealthChecks;
+
+///
+/// EN: Health check for database connectivity.
+/// VI: Health check cho kết nối database.
+///
+public class DatabaseHealthCheck : IHealthCheck
+{
+ private readonly MiningServiceContext _context;
+
+ public DatabaseHealthCheck(MiningServiceContext context)
+ {
+ _context = context;
+ }
+
+ public async Task CheckHealthAsync(
+ HealthCheckContext context,
+ CancellationToken cancellationToken = default)
+ {
+ try
+ {
+ await _context.Database.CanConnectAsync(cancellationToken);
+ return HealthCheckResult.Healthy("Database connection is healthy");
+ }
+ catch (Exception ex)
+ {
+ return HealthCheckResult.Unhealthy("Database connection failed", ex);
+ }
+ }
+}
+
+///
+/// EN: Readiness check - service ready to accept traffic.
+/// VI: Readiness check - dịch vụ sẵn sàng nhận traffic.
+///
+public class ReadinessHealthCheck : IHealthCheck
+{
+ private readonly MiningServiceContext _context;
+
+ public ReadinessHealthCheck(MiningServiceContext context)
+ {
+ _context = context;
+ }
+
+ public async Task CheckHealthAsync(
+ HealthCheckContext context,
+ CancellationToken cancellationToken = default)
+ {
+ try
+ {
+ // Check database
+ var canConnect = await _context.Database.CanConnectAsync(cancellationToken);
+ if (!canConnect)
+ return HealthCheckResult.Unhealthy("Cannot connect to database");
+
+ return HealthCheckResult.Healthy("Service is ready");
+ }
+ catch (Exception ex)
+ {
+ return HealthCheckResult.Unhealthy("Readiness check failed", ex);
+ }
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/Hubs/MiningHub.cs b/services/mining-service-net/src/MiningService.API/Hubs/MiningHub.cs
new file mode 100644
index 00000000..93b90895
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Hubs/MiningHub.cs
@@ -0,0 +1,99 @@
+using Microsoft.AspNetCore.SignalR;
+
+namespace MiningService.API.Hubs;
+
+///
+/// EN: SignalR Hub for real-time mining updates.
+/// VI: SignalR Hub cho cập nhật đào thời gian thực.
+///
+public class MiningHub : Hub
+{
+ private readonly ILogger _logger;
+
+ public MiningHub(ILogger logger)
+ {
+ _logger = logger;
+ }
+
+ ///
+ /// EN: Join miner's personal update group.
+ /// VI: Tham gia nhóm cập nhật cá nhân của thợ đào.
+ ///
+ public async Task JoinMinerGroup(Guid minerId)
+ {
+ await Groups.AddToGroupAsync(Context.ConnectionId, $"miner:{minerId}");
+ _logger.LogInformation("Client {ConnectionId} joined miner group {MinerId}",
+ Context.ConnectionId, minerId);
+ }
+
+ ///
+ /// EN: Leave miner's personal update group.
+ /// VI: Rời nhóm cập nhật cá nhân của thợ đào.
+ ///
+ public async Task LeaveMinerGroup(Guid minerId)
+ {
+ await Groups.RemoveFromGroupAsync(Context.ConnectionId, $"miner:{minerId}");
+ _logger.LogInformation("Client {ConnectionId} left miner group {MinerId}",
+ Context.ConnectionId, minerId);
+ }
+
+ ///
+ /// EN: Join leaderboard updates group.
+ /// VI: Tham gia nhóm cập nhật bảng xếp hạng.
+ ///
+ public async Task JoinLeaderboardGroup()
+ {
+ await Groups.AddToGroupAsync(Context.ConnectionId, "leaderboard");
+ }
+
+ public override async Task OnConnectedAsync()
+ {
+ _logger.LogInformation("Client connected: {ConnectionId}", Context.ConnectionId);
+ await base.OnConnectedAsync();
+ }
+
+ public override async Task OnDisconnectedAsync(Exception? exception)
+ {
+ _logger.LogInformation("Client disconnected: {ConnectionId}", Context.ConnectionId);
+ await base.OnDisconnectedAsync(exception);
+ }
+}
+
+///
+/// EN: Service to send mining updates to clients.
+/// VI: Service gửi cập nhật đào đến clients.
+///
+public interface IMiningHubService
+{
+ Task SendPointsUpdated(Guid minerId, decimal earnedPoints, decimal totalPoints, int streakDays);
+ Task SendSessionStarted(Guid minerId, DateTime endTime, decimal hourlyRate);
+ Task SendStreakMilestone(Guid minerId, int streakDays, decimal bonusPoints);
+}
+
+public class MiningHubService : IMiningHubService
+{
+ private readonly IHubContext _hubContext;
+
+ public MiningHubService(IHubContext hubContext)
+ {
+ _hubContext = hubContext;
+ }
+
+ public async Task SendPointsUpdated(Guid minerId, decimal earnedPoints, decimal totalPoints, int streakDays)
+ {
+ await _hubContext.Clients.Group($"miner:{minerId}")
+ .SendAsync("PointsUpdated", new { earnedPoints, totalPoints, streakDays });
+ }
+
+ public async Task SendSessionStarted(Guid minerId, DateTime endTime, decimal hourlyRate)
+ {
+ await _hubContext.Clients.Group($"miner:{minerId}")
+ .SendAsync("SessionStarted", new { endTime, hourlyRate });
+ }
+
+ public async Task SendStreakMilestone(Guid minerId, int streakDays, decimal bonusPoints)
+ {
+ await _hubContext.Clients.Group($"miner:{minerId}")
+ .SendAsync("StreakMilestone", new { streakDays, bonusPoints });
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.API/MiningService.API.csproj b/services/mining-service-net/src/MiningService.API/MiningService.API.csproj
new file mode 100644
index 00000000..850353a1
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/MiningService.API.csproj
@@ -0,0 +1,47 @@
+
+
+
+ MiningService.API
+ MiningService.API
+ Web API layer with CQRS pattern
+ myservice-api
+
+
+
+
+
+
+
+
+
+
+ runtime; build; native; contentfiles; analyzers; buildtransitive
+ all
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/services/mining-service-net/src/MiningService.API/Program.cs b/services/mining-service-net/src/MiningService.API/Program.cs
new file mode 100644
index 00000000..d8212050
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Program.cs
@@ -0,0 +1,144 @@
+using Asp.Versioning;
+using FluentValidation;
+using Hellang.Middleware.ProblemDetails;
+using MiningService.API.Application.Behaviors;
+using MiningService.Infrastructure;
+using Serilog;
+
+// EN: Configure Serilog early / VI: Cấu hình Serilog sớm
+Log.Logger = new LoggerConfiguration()
+ .WriteTo.Console()
+ .CreateBootstrapLogger();
+
+try
+{
+ Log.Information("Starting MiningService API / Khởi động MiningService API");
+
+ var builder = WebApplication.CreateBuilder(args);
+
+ // EN: Configure Serilog / VI: Cấu hình Serilog
+ builder.Host.UseSerilog((context, services, configuration) => configuration
+ .ReadFrom.Configuration(context.Configuration)
+ .ReadFrom.Services(services)
+ .Enrich.FromLogContext()
+ .WriteTo.Console());
+
+ // EN: Add Infrastructure services / VI: Thêm Infrastructure services
+ builder.Services.AddInfrastructure(builder.Configuration);
+
+ // EN: Add MediatR with behaviors / VI: Thêm MediatR với behaviors
+ builder.Services.AddMediatR(cfg =>
+ {
+ cfg.RegisterServicesFromAssemblyContaining();
+ cfg.AddOpenBehavior(typeof(LoggingBehavior<,>));
+ cfg.AddOpenBehavior(typeof(ValidatorBehavior<,>));
+ cfg.AddOpenBehavior(typeof(TransactionBehavior<,>));
+ });
+
+ // EN: Add FluentValidation / VI: Thêm FluentValidation
+ builder.Services.AddValidatorsFromAssemblyContaining();
+
+ // EN: Add API versioning / VI: Thêm API versioning
+ builder.Services.AddApiVersioning(options =>
+ {
+ options.DefaultApiVersion = new ApiVersion(1, 0);
+ options.AssumeDefaultVersionWhenUnspecified = true;
+ options.ReportApiVersions = true;
+ options.ApiVersionReader = ApiVersionReader.Combine(
+ new UrlSegmentApiVersionReader(),
+ new HeaderApiVersionReader("X-Api-Version"));
+ })
+ .AddApiExplorer(options =>
+ {
+ options.GroupNameFormat = "'v'VVV";
+ options.SubstituteApiVersionInUrl = true;
+ });
+
+ // EN: Add controllers / VI: Thêm controllers
+ builder.Services.AddControllers();
+
+ // EN: Add ProblemDetails middleware (RFC 7807) / VI: Thêm ProblemDetails middleware
+ builder.Services.AddProblemDetails(options =>
+ {
+ options.IncludeExceptionDetails = (ctx, ex) =>
+ builder.Environment.IsDevelopment();
+ });
+
+ // EN: Add Swagger / VI: Thêm Swagger
+ builder.Services.AddEndpointsApiExplorer();
+ builder.Services.AddSwaggerGen(options =>
+ {
+ options.SwaggerDoc("v1", new()
+ {
+ Title = "MiningService API",
+ Version = "v1",
+ Description = "MiningService microservice API / API microservice MiningService"
+ });
+ });
+
+ // EN: Add health checks / VI: Thêm health checks
+ builder.Services.AddHealthChecks()
+ .AddNpgSql(
+ builder.Configuration.GetConnectionString("DefaultConnection")
+ ?? builder.Configuration["DATABASE_URL"]
+ ?? "",
+ name: "postgresql",
+ tags: ["db", "postgresql"]);
+
+ // EN: Add CORS / VI: Thêm CORS
+ builder.Services.AddCors(options =>
+ {
+ options.AddDefaultPolicy(policy =>
+ {
+ policy.AllowAnyOrigin()
+ .AllowAnyMethod()
+ .AllowAnyHeader();
+ });
+ });
+
+ var app = builder.Build();
+
+ // EN: Configure middleware pipeline / VI: Cấu hình middleware pipeline
+ app.UseSerilogRequestLogging();
+ app.UseProblemDetails();
+
+ if (app.Environment.IsDevelopment())
+ {
+ app.UseSwagger();
+ app.UseSwaggerUI(c =>
+ {
+ c.SwaggerEndpoint("/swagger/v1/swagger.json", "MiningService API v1");
+ c.RoutePrefix = "swagger";
+ });
+ }
+
+ app.UseCors();
+ app.UseRouting();
+
+ // EN: Map health check endpoints / VI: Map health check endpoints
+ app.MapHealthChecks("/health");
+ app.MapHealthChecks("/health/live", new()
+ {
+ Predicate = _ => false // EN: Just checks app is running / VI: Chỉ kiểm tra app đang chạy
+ });
+ app.MapHealthChecks("/health/ready");
+
+ // EN: Map controllers / VI: Map controllers
+ app.MapControllers();
+
+ // EN: Run the application / VI: Chạy ứng dụng
+ app.Run();
+}
+catch (Exception ex)
+{
+ Log.Fatal(ex, "Application terminated unexpectedly / Ứng dụng kết thúc bất ngờ");
+ throw;
+}
+finally
+{
+ Log.CloseAndFlush();
+}
+
+// EN: Make Program class accessible for integration tests
+// VI: Làm cho class Program có thể truy cập cho integration tests
+public partial class Program { }
diff --git a/services/mining-service-net/src/MiningService.API/Properties/launchSettings.json b/services/mining-service-net/src/MiningService.API/Properties/launchSettings.json
new file mode 100644
index 00000000..6355d40b
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/Properties/launchSettings.json
@@ -0,0 +1,15 @@
+{
+ "$schema": "http://json.schemastore.org/launchsettings.json",
+ "profiles": {
+ "http": {
+ "commandName": "Project",
+ "dotnetRunMessages": true,
+ "launchBrowser": true,
+ "launchUrl": "swagger",
+ "applicationUrl": "http://localhost:5000",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/services/mining-service-net/src/MiningService.API/appsettings.Development.json b/services/mining-service-net/src/MiningService.API/appsettings.Development.json
new file mode 100644
index 00000000..e407ac85
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/appsettings.Development.json
@@ -0,0 +1,19 @@
+{
+ "Logging": {
+ "LogLevel": {
+ "Default": "Debug",
+ "Microsoft.AspNetCore": "Information",
+ "Microsoft.EntityFrameworkCore.Database.Command": "Information"
+ }
+ },
+ "Serilog": {
+ "MinimumLevel": {
+ "Default": "Debug",
+ "Override": {
+ "Microsoft": "Information",
+ "Microsoft.EntityFrameworkCore.Database.Command": "Information",
+ "System": "Information"
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/services/mining-service-net/src/MiningService.API/appsettings.json b/services/mining-service-net/src/MiningService.API/appsettings.json
new file mode 100644
index 00000000..523dc0fc
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.API/appsettings.json
@@ -0,0 +1,46 @@
+{
+ "Logging": {
+ "LogLevel": {
+ "Default": "Information",
+ "Microsoft.AspNetCore": "Warning",
+ "Microsoft.EntityFrameworkCore": "Warning"
+ }
+ },
+ "Serilog": {
+ "MinimumLevel": {
+ "Default": "Information",
+ "Override": {
+ "Microsoft": "Warning",
+ "Microsoft.EntityFrameworkCore": "Warning",
+ "System": "Warning"
+ }
+ },
+ "WriteTo": [
+ {
+ "Name": "Console",
+ "Args": {
+ "outputTemplate": "[{Timestamp:HH:mm:ss} {Level:u3}] {Message:lj} {Properties:j}{NewLine}{Exception}"
+ }
+ }
+ ],
+ "Enrich": [
+ "FromLogContext",
+ "WithMachineName",
+ "WithThreadId"
+ ]
+ },
+ "ConnectionStrings": {
+ "DefaultConnection": "Host=localhost;Port=5432;Database=myservice_db;Username=postgres;Password=postgres"
+ },
+ "Redis": {
+ "ConnectionString": "localhost:6379"
+ },
+ "Jwt": {
+ "Secret": "your-super-secret-key-min-32-characters",
+ "Issuer": "goodgo-platform",
+ "Audience": "goodgo-services",
+ "AccessTokenExpiryMinutes": 15,
+ "RefreshTokenExpiryDays": 7
+ },
+ "AllowedHosts": "*"
+}
\ No newline at end of file
diff --git a/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/Circle.cs b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/Circle.cs
new file mode 100644
index 00000000..f315f0b3
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/Circle.cs
@@ -0,0 +1,186 @@
+using MiningService.Domain.Events;
+using MiningService.Domain.Exceptions;
+using MiningService.Domain.SeedWork;
+
+namespace MiningService.Domain.AggregatesModel.CircleAggregate;
+
+///
+/// EN: Security Circle Aggregate Root - trusted group for mining bonus.
+/// VI: Security Circle Aggregate Root - nhóm tin cậy cho thưởng đào.
+///
+public class Circle : Entity, IAggregateRoot
+{
+ private readonly List _members = new();
+
+ private const int MinMembers = 3;
+ private const int MaxMembers = 5;
+ private const decimal ValidCircleBonus = 0.25m; // 25%
+
+ #region Properties
+
+ /// EN: Circle owner (creator) / VI: Chủ vòng tròn (người tạo)
+ public Guid OwnerId { get; private set; }
+
+ /// EN: Circle name / VI: Tên vòng tròn
+ public string Name { get; private set; } = string.Empty;
+
+ /// EN: Trust score (0-100) / VI: Điểm tin cậy (0-100)
+ public decimal TrustScore { get; private set; }
+
+ /// EN: Bonus multiplier for valid circle / VI: Hệ số thưởng cho vòng tròn hợp lệ
+ public decimal BonusMultiplier { get; private set; }
+
+ /// EN: Circle status / VI: Trạng thái vòng tròn
+ public CircleStatus Status { get; private set; }
+
+ /// EN: When circle was created / VI: Khi vòng tròn được tạo
+ public DateTime CreatedAt { get; private set; }
+
+ /// EN: Last update time / VI: Thời gian cập nhật cuối
+ public DateTime UpdatedAt { get; private set; }
+
+ /// EN: Circle members / VI: Các thành viên vòng tròn
+ public IReadOnlyCollection Members => _members.AsReadOnly();
+
+ /// EN: Active member count / VI: Số thành viên hoạt động
+ public int ActiveMemberCount => _members.Count(m => m.IsActive);
+
+ /// EN: Is circle valid for bonus / VI: Vòng tròn có hợp lệ cho thưởng không
+ public bool IsValid => Status == CircleStatus.Active && ActiveMemberCount >= MinMembers;
+
+ #endregion
+
+ // EF Core
+ protected Circle() { }
+
+ #region Factory
+
+ ///
+ /// EN: Create a new security circle.
+ /// VI: Tạo vòng tròn an toàn mới.
+ ///
+ public static Circle Create(Guid ownerId, string name)
+ {
+ if (string.IsNullOrWhiteSpace(name))
+ throw new CircleDomainException("Circle name is required");
+
+ var circle = new Circle
+ {
+ Id = Guid.NewGuid(),
+ OwnerId = ownerId,
+ Name = name.Trim(),
+ TrustScore = 0,
+ BonusMultiplier = 0,
+ Status = CircleStatus.Incomplete,
+ CreatedAt = DateTime.UtcNow,
+ UpdatedAt = DateTime.UtcNow
+ };
+
+ // Add owner as first member
+ var ownerMember = CircleMember.Create(circle.Id, ownerId);
+ circle._members.Add(ownerMember);
+
+ return circle;
+ }
+
+ #endregion
+
+ #region Member Management
+
+ ///
+ /// EN: Add member to circle.
+ /// VI: Thêm thành viên vào vòng tròn.
+ ///
+ public void AddMember(Guid minerId)
+ {
+ if (Status == CircleStatus.Disbanded)
+ throw new CircleDomainException("Cannot add member to disbanded circle");
+
+ if (ActiveMemberCount >= MaxMembers)
+ throw new CircleDomainException($"Circle cannot have more than {MaxMembers} members");
+
+ if (_members.Any(m => m.MinerId == minerId))
+ throw new CircleDomainException("Miner is already a member of this circle");
+
+ var member = CircleMember.Create(Id, minerId);
+ _members.Add(member);
+
+ RecalculateStatus();
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ ///
+ /// EN: Remove member from circle.
+ /// VI: Xóa thành viên khỏi vòng tròn.
+ ///
+ public void RemoveMember(Guid minerId)
+ {
+ if (minerId == OwnerId)
+ throw new CircleDomainException("Cannot remove circle owner");
+
+ var member = _members.FirstOrDefault(m => m.MinerId == minerId);
+ if (member == null)
+ throw new CircleDomainException("Miner is not a member of this circle");
+
+ member.Deactivate();
+ RecalculateStatus();
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ ///
+ /// EN: Disband the circle.
+ /// VI: Giải tán vòng tròn.
+ ///
+ public void Disband()
+ {
+ Status = CircleStatus.Disbanded;
+ BonusMultiplier = 0;
+
+ foreach (var member in _members)
+ member.Deactivate();
+
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ #endregion
+
+ #region Private Helpers
+
+ private void RecalculateStatus()
+ {
+ var wasActive = Status == CircleStatus.Active;
+
+ if (ActiveMemberCount >= MinMembers)
+ {
+ Status = CircleStatus.Active;
+ BonusMultiplier = ValidCircleBonus;
+ CalculateTrustScore();
+
+ if (!wasActive)
+ {
+ AddDomainEvent(new CircleCompletedDomainEvent(Id, OwnerId, ActiveMemberCount));
+ }
+ }
+ else
+ {
+ Status = CircleStatus.Incomplete;
+ BonusMultiplier = 0;
+ TrustScore = 0;
+ }
+ }
+
+ private void CalculateTrustScore()
+ {
+ // Simple trust score: based on member count and activity
+ // Can be enhanced with more factors (member verify status, activity, etc.)
+ TrustScore = ActiveMemberCount switch
+ {
+ 3 => 60,
+ 4 => 80,
+ 5 => 100,
+ _ => 0
+ };
+ }
+
+ #endregion
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/CircleEnums.cs b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/CircleEnums.cs
new file mode 100644
index 00000000..a744bcb3
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/CircleEnums.cs
@@ -0,0 +1,17 @@
+namespace MiningService.Domain.AggregatesModel.CircleAggregate;
+
+///
+/// EN: Security circle status.
+/// VI: Trạng thái vòng tròn an toàn.
+///
+public enum CircleStatus
+{
+ /// Less than 3 members, not valid / Ít hơn 3 thành viên, không hợp lệ
+ Incomplete = 0,
+
+ /// 3-5 members, valid for bonus / 3-5 thành viên, hợp lệ cho thưởng
+ Active = 1,
+
+ /// Circle disbanded / Vòng tròn đã giải tán
+ Disbanded = 2
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/CircleMember.cs b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/CircleMember.cs
new file mode 100644
index 00000000..d43a8d62
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/CircleMember.cs
@@ -0,0 +1,40 @@
+using MiningService.Domain.SeedWork;
+
+namespace MiningService.Domain.AggregatesModel.CircleAggregate;
+
+///
+/// EN: Circle member entity.
+/// VI: Entity thành viên vòng tròn.
+///
+public class CircleMember : Entity
+{
+ /// EN: Circle ID / VI: ID vòng tròn
+ public Guid CircleId { get; private set; }
+
+ /// EN: Miner ID who is member / VI: ID thợ đào là thành viên
+ public Guid MinerId { get; private set; }
+
+ /// EN: When member joined / VI: Khi thành viên tham gia
+ public DateTime JoinedAt { get; private set; }
+
+ /// EN: Whether member is active / VI: Thành viên có hoạt động không
+ public bool IsActive { get; private set; }
+
+ // EF Core
+ protected CircleMember() { }
+
+ public static CircleMember Create(Guid circleId, Guid minerId)
+ {
+ return new CircleMember
+ {
+ Id = Guid.NewGuid(),
+ CircleId = circleId,
+ MinerId = minerId,
+ JoinedAt = DateTime.UtcNow,
+ IsActive = true
+ };
+ }
+
+ public void Deactivate() => IsActive = false;
+ public void Activate() => IsActive = true;
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/ICircleRepository.cs b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/ICircleRepository.cs
new file mode 100644
index 00000000..413812b1
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/CircleAggregate/ICircleRepository.cs
@@ -0,0 +1,40 @@
+using MiningService.Domain.SeedWork;
+
+namespace MiningService.Domain.AggregatesModel.CircleAggregate;
+
+///
+/// EN: Repository interface for Circle aggregate.
+/// VI: Interface repository cho Circle aggregate.
+///
+public interface ICircleRepository : IRepository
+{
+ ///
+ /// EN: Get circle by ID with members.
+ /// VI: Lấy vòng tròn theo ID với thành viên.
+ ///
+ Task GetByIdAsync(Guid id, CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Get circle by owner ID.
+ /// VI: Lấy vòng tròn theo ID chủ sở hữu.
+ ///
+ Task GetByOwnerIdAsync(Guid ownerId, CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Get circle that a miner is member of.
+ /// VI: Lấy vòng tròn mà thợ đào là thành viên.
+ ///
+ Task GetByMemberIdAsync(Guid minerId, CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Add new circle.
+ /// VI: Thêm vòng tròn mới.
+ ///
+ Circle Add(Circle circle);
+
+ ///
+ /// EN: Update existing circle.
+ /// VI: Cập nhật vòng tròn hiện có.
+ ///
+ void Update(Circle circle);
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/IMinerRepository.cs b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/IMinerRepository.cs
new file mode 100644
index 00000000..24eebe91
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/IMinerRepository.cs
@@ -0,0 +1,52 @@
+using MiningService.Domain.SeedWork;
+
+namespace MiningService.Domain.AggregatesModel.MinerAggregate;
+
+///
+/// EN: Repository interface for Miner aggregate.
+/// VI: Interface repository cho Miner aggregate.
+///
+public interface IMinerRepository : IRepository
+{
+ ///
+ /// EN: Get miner by ID with mining histories.
+ /// VI: Lấy thợ đào theo ID với lịch sử đào.
+ ///
+ Task GetByIdAsync(Guid id, CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Get miner by user ID.
+ /// VI: Lấy thợ đào theo user ID.
+ ///
+ Task GetByUserIdAsync(Guid userId, CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Get miner by referral code.
+ /// VI: Lấy thợ đào theo mã giới thiệu.
+ ///
+ Task GetByReferralCodeAsync(string referralCode, CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Add new miner.
+ /// VI: Thêm thợ đào mới.
+ ///
+ Miner Add(Miner miner);
+
+ ///
+ /// EN: Update existing miner.
+ /// VI: Cập nhật thợ đào hiện có.
+ ///
+ void Update(Miner miner);
+
+ ///
+ /// EN: Check if referral code exists.
+ /// VI: Kiểm tra mã giới thiệu đã tồn tại chưa.
+ ///
+ Task ReferralCodeExistsAsync(string referralCode, CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Get active referrals count for a miner.
+ /// VI: Lấy số lượng giới thiệu hoạt động của thợ đào.
+ ///
+ Task GetActiveReferralsCountAsync(Guid minerId, CancellationToken cancellationToken = default);
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/Miner.cs b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/Miner.cs
new file mode 100644
index 00000000..86b1782c
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/Miner.cs
@@ -0,0 +1,359 @@
+using MiningService.Domain.Events;
+using MiningService.Domain.Exceptions;
+using MiningService.Domain.SeedWork;
+
+namespace MiningService.Domain.AggregatesModel.MinerAggregate;
+
+///
+/// EN: Miner Aggregate Root - represents a user's mining profile.
+/// VI: Miner Aggregate Root - đại diện cho hồ sơ đào của người dùng.
+///
+public class Miner : Entity, IAggregateRoot
+{
+ private readonly List _miningHistories = new();
+
+ #region Properties
+
+ /// EN: User ID from IAM Service / VI: User ID từ IAM Service
+ public Guid UserId { get; private set; }
+
+ /// EN: User's mining role / VI: Vai trò đào của người dùng
+ public MinerRole Role { get; private set; }
+
+ /// EN: Total mining points accumulated / VI: Tổng điểm đào tích lũy
+ public decimal TotalMinedPoints { get; private set; }
+
+ /// EN: Current mining rate / VI: Tỷ lệ đào hiện tại
+ public MiningRate CurrentRate { get; private set; } = MiningRate.CreateDefault();
+
+ /// EN: Current active mining session / VI: Phiên đào đang hoạt động
+ public MiningSession? ActiveSession { get; private set; }
+
+ /// EN: Mining streak tracking / VI: Theo dõi streak đào
+ public MiningStreak Streak { get; private set; } = MiningStreak.CreateNew();
+
+ /// EN: Unique referral code for this miner / VI: Mã giới thiệu duy nhất
+ public string ReferralCode { get; private set; } = string.Empty;
+
+ /// EN: ID of miner who referred this user / VI: ID thợ đào giới thiệu người này
+ public Guid? ReferredById { get; private set; }
+
+ /// EN: Security circle ID if member / VI: ID vòng tròn an toàn nếu là thành viên
+ public Guid? CircleId { get; private set; }
+
+ /// EN: Account status / VI: Trạng thái tài khoản
+ public MinerStatus Status { get; private set; }
+
+ /// EN: When account was created / VI: Khi tài khoản được tạo
+ public DateTime CreatedAt { get; private set; }
+
+ /// EN: Last update time / VI: Thời gian cập nhật cuối
+ public DateTime UpdatedAt { get; private set; }
+
+ /// EN: Concurrency token / VI: Token đồng thời
+ public byte[] RowVersion { get; private set; } = Array.Empty();
+
+ /// EN: Mining history / VI: Lịch sử đào
+ public IReadOnlyCollection MiningHistories => _miningHistories.AsReadOnly();
+
+ #endregion
+
+ // EF Core constructor
+ protected Miner() { }
+
+ #region Factory Methods
+
+ ///
+ /// EN: Create a new miner profile.
+ /// VI: Tạo hồ sơ thợ đào mới.
+ ///
+ public static Miner Create(Guid userId, string? referralCode = null, Guid? referredById = null)
+ {
+ var miner = new Miner
+ {
+ Id = Guid.NewGuid(),
+ UserId = userId,
+ Role = MinerRole.Pioneer,
+ TotalMinedPoints = 0,
+ CurrentRate = MiningRate.CreateDefault(),
+ ActiveSession = null,
+ Streak = MiningStreak.CreateNew(),
+ ReferralCode = GenerateReferralCode(),
+ ReferredById = referredById,
+ CircleId = null,
+ Status = MinerStatus.Active,
+ CreatedAt = DateTime.UtcNow,
+ UpdatedAt = DateTime.UtcNow
+ };
+
+ miner.AddDomainEvent(new MinerCreatedDomainEvent(miner.Id, userId));
+ return miner;
+ }
+
+ #endregion
+
+ #region Mining Session Methods
+
+ ///
+ /// EN: Start a new mining session.
+ /// VI: Bắt đầu phiên đào mới.
+ ///
+ public MiningSession StartMiningSession(decimal configBaseRate = 0.25m, int sessionHours = 24)
+ {
+ if (Status != MinerStatus.Active)
+ throw new MiningDomainException("Cannot start mining: account is not active");
+
+ if (ActiveSession != null && ActiveSession.Status == MiningSessionStatus.Active)
+ throw new MiningDomainException("Cannot start mining: active session exists");
+
+ // Recalculate rate with current bonuses
+ RecalculateRate(configBaseRate);
+
+ // Create new session
+ ActiveSession = MiningSession.Create(CurrentRate.TotalRate, sessionHours);
+ UpdatedAt = DateTime.UtcNow;
+
+ AddDomainEvent(new MiningSessionStartedDomainEvent(Id, ActiveSession.SessionId, CurrentRate.TotalRate));
+ return ActiveSession;
+ }
+
+ ///
+ /// EN: Claim mining reward from completed session.
+ /// VI: Nhận thưởng đào từ phiên hoàn thành.
+ ///
+ public decimal ClaimMiningReward()
+ {
+ if (ActiveSession == null)
+ throw new MiningDomainException("No active session to claim");
+
+ if (!ActiveSession.IsReadyToClaim)
+ throw new MiningDomainException("Session is not ready to claim yet");
+
+ // Calculate earned points
+ var earnedPoints = ActiveSession.CalculateEarnedPoints();
+
+ // Update streak
+ var previousStreak = Streak.CurrentStreak;
+ Streak = Streak.IncrementStreak();
+
+ // Check for milestone rewards
+ var milestoneBonus = CalculateMilestoneBonus(Streak.CurrentStreak, previousStreak);
+ var totalPoints = earnedPoints + milestoneBonus;
+
+ // Add to total
+ TotalMinedPoints += totalPoints;
+
+ // Create history entry
+ var history = MiningHistory.CreateFromSession(
+ Id,
+ earnedPoints,
+ ActiveSession.SessionId,
+ ActiveSession.HourlyRate,
+ Streak.CurrentStreak
+ );
+ _miningHistories.Add(history);
+
+ // If milestone bonus, create separate entry
+ if (milestoneBonus > 0)
+ {
+ var bonusHistory = MiningHistory.CreateFromBonus(Id, milestoneBonus, $"Streak Milestone Day {Streak.CurrentStreak}");
+ _miningHistories.Add(bonusHistory);
+ }
+
+ // Mark session as claimed
+ ActiveSession = ActiveSession.MarkAsClaimed(earnedPoints);
+ UpdatedAt = DateTime.UtcNow;
+
+ AddDomainEvent(new PointsMinedDomainEvent(Id, totalPoints, TotalMinedPoints, Streak.CurrentStreak));
+ return totalPoints;
+ }
+
+ #endregion
+
+ #region Rate Calculation
+
+ ///
+ /// EN: Recalculate mining rate based on current bonuses.
+ /// VI: Tính lại tỷ lệ đào dựa trên các thưởng hiện tại.
+ ///
+ public void RecalculateRate(
+ decimal baseRate = 0.25m,
+ decimal circleBonus = 0,
+ decimal referralBonus = 0)
+ {
+ var roleBonus = Role switch
+ {
+ MinerRole.Pioneer => 0m,
+ MinerRole.Contributor => 0.10m,
+ MinerRole.Ambassador => 0.25m,
+ MinerRole.NodeOperator => 0.50m,
+ _ => 0m
+ };
+
+ CurrentRate = new MiningRate
+ {
+ BaseRate = baseRate,
+ RoleBonus = roleBonus,
+ CircleBonus = circleBonus,
+ ReferralBonus = referralBonus,
+ StreakBonus = Streak.BonusMultiplier
+ };
+
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ #endregion
+
+ #region Role & Status Management
+
+ ///
+ /// EN: Upgrade miner role.
+ /// VI: Nâng cấp vai trò thợ đào.
+ ///
+ public void UpgradeRole(MinerRole newRole)
+ {
+ if (newRole <= Role)
+ throw new MiningDomainException("Cannot downgrade role");
+
+ Role = newRole;
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ ///
+ /// EN: Join a security circle.
+ /// VI: Tham gia vòng tròn an toàn.
+ ///
+ public void JoinCircle(Guid circleId)
+ {
+ if (CircleId.HasValue)
+ throw new MiningDomainException("Already in a circle");
+
+ CircleId = circleId;
+
+ // Upgrade to Contributor if still Pioneer
+ if (Role == MinerRole.Pioneer)
+ Role = MinerRole.Contributor;
+
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ ///
+ /// EN: Leave current security circle.
+ /// VI: Rời vòng tròn an toàn hiện tại.
+ ///
+ public void LeaveCircle()
+ {
+ CircleId = null;
+
+ // Downgrade from Contributor if no other qualifications
+ if (Role == MinerRole.Contributor)
+ Role = MinerRole.Pioneer;
+
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ ///
+ /// EN: Suspend miner account.
+ /// VI: Tạm ngừng tài khoản thợ đào.
+ ///
+ public void Suspend()
+ {
+ if (Status == MinerStatus.Banned)
+ throw new MiningDomainException("Cannot suspend banned account");
+
+ Status = MinerStatus.Suspended;
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ ///
+ /// EN: Restore suspended account.
+ /// VI: Khôi phục tài khoản bị tạm ngừng.
+ ///
+ public void Restore()
+ {
+ if (Status != MinerStatus.Suspended)
+ throw new MiningDomainException("Can only restore suspended accounts");
+
+ Status = MinerStatus.Active;
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ ///
+ /// EN: Ban miner account permanently.
+ /// VI: Cấm tài khoản thợ đào vĩnh viễn.
+ ///
+ public void Ban()
+ {
+ Status = MinerStatus.Banned;
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ #endregion
+
+ #region Points Management
+
+ ///
+ /// EN: Add bonus points (from admin, referral, etc).
+ /// VI: Thêm điểm thưởng (từ admin, giới thiệu, v.v.).
+ ///
+ public void AddBonusPoints(decimal points, string source)
+ {
+ if (points <= 0)
+ throw new MiningDomainException("Bonus points must be positive");
+
+ TotalMinedPoints += points;
+
+ var history = MiningHistory.CreateFromBonus(Id, points, source);
+ _miningHistories.Add(history);
+
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ ///
+ /// EN: Deduct points (for recovery, purchases, etc).
+ /// VI: Trừ điểm (cho khôi phục, mua sắm, v.v.).
+ ///
+ public void DeductPoints(decimal points, string reason)
+ {
+ if (points <= 0)
+ throw new MiningDomainException("Deduction must be positive");
+
+ if (TotalMinedPoints < points)
+ throw new MiningDomainException("Insufficient points");
+
+ TotalMinedPoints -= points;
+
+ var history = MiningHistory.CreateFromBonus(Id, -points, reason);
+ _miningHistories.Add(history);
+
+ UpdatedAt = DateTime.UtcNow;
+ }
+
+ #endregion
+
+ #region Private Helpers
+
+ private static string GenerateReferralCode()
+ {
+ const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+ var random = new Random();
+ return new string(Enumerable.Repeat(chars, 8).Select(s => s[random.Next(s.Length)]).ToArray());
+ }
+
+ private static decimal CalculateMilestoneBonus(int newStreak, int previousStreak)
+ {
+ decimal bonus = 0;
+
+ // Check milestones crossed
+ if (newStreak >= 3 && previousStreak < 3) bonus += 0; // Badge only
+ if (newStreak >= 7 && previousStreak < 7) bonus += 50;
+ if (newStreak >= 14 && previousStreak < 14) bonus += 100;
+ if (newStreak >= 30 && previousStreak < 30) bonus += 300;
+ if (newStreak >= 60 && previousStreak < 60) bonus += 500;
+ if (newStreak >= 90 && previousStreak < 90) bonus += 1000;
+
+ return bonus;
+ }
+
+ #endregion
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/MinerEnums.cs b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/MinerEnums.cs
new file mode 100644
index 00000000..4b1bcd43
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/MinerEnums.cs
@@ -0,0 +1,55 @@
+namespace MiningService.Domain.AggregatesModel.MinerAggregate;
+
+///
+/// EN: Miner role determines bonus multiplier.
+/// VI: Vai trò thợ đào xác định hệ số thưởng.
+///
+public enum MinerRole
+{
+ /// Base user, no bonus / Người dùng cơ bản, không có thưởng
+ Pioneer = 0,
+
+ /// Has valid circle, +10% / Có vòng tròn hợp lệ, +10%
+ Contributor = 1,
+
+ /// 5+ referrals, +25% / 5+ giới thiệu, +25%
+ Ambassador = 2,
+
+ /// Runs node software, +50% / Chạy phần mềm node, +50%
+ NodeOperator = 3
+}
+
+///
+/// EN: Miner account status.
+/// VI: Trạng thái tài khoản thợ đào.
+///
+public enum MinerStatus
+{
+ /// Normal active account / Tài khoản hoạt động bình thường
+ Active = 0,
+
+ /// Temporarily suspended / Tạm ngừng
+ Suspended = 1,
+
+ /// Permanently banned / Cấm vĩnh viễn
+ Banned = 2
+}
+
+///
+/// EN: Mining session status.
+/// VI: Trạng thái phiên đào.
+///
+public enum MiningSessionStatus
+{
+ /// Session is currently active / Phiên đang hoạt động
+ Active = 0,
+
+ /// Session completed, ready to claim / Phiên hoàn thành, sẵn sàng nhận thưởng
+ Completed = 1,
+
+ /// Session claimed / Phiên đã nhận thưởng
+ Claimed = 2,
+
+ /// Session expired without claim / Phiên hết hạn chưa nhận
+ Expired = 3
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/MinerValueObjects.cs b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/MinerValueObjects.cs
new file mode 100644
index 00000000..91e90b58
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/MinerValueObjects.cs
@@ -0,0 +1,204 @@
+using MiningService.Domain.SeedWork;
+
+namespace MiningService.Domain.AggregatesModel.MinerAggregate;
+
+///
+/// EN: Value object representing mining rate calculation components.
+/// VI: Value object đại diện cho các thành phần tính toán tỷ lệ đào.
+///
+public record MiningRate
+{
+ /// EN: Base rate in MP/hour / VI: Tỷ lệ cơ bản MP/giờ
+ public decimal BaseRate { get; init; }
+
+ /// EN: Role bonus percentage / VI: Phần trăm thưởng vai trò
+ public decimal RoleBonus { get; init; }
+
+ /// EN: Circle bonus percentage / VI: Phần trăm thưởng vòng tròn
+ public decimal CircleBonus { get; init; }
+
+ /// EN: Referral bonus percentage / VI: Phần trăm thưởng giới thiệu
+ public decimal ReferralBonus { get; init; }
+
+ /// EN: Streak bonus percentage / VI: Phần trăm thưởng streak
+ public decimal StreakBonus { get; init; }
+
+ ///
+ /// EN: Calculated total rate in MP/hour.
+ /// VI: Tỷ lệ tổng tính toán được MP/giờ.
+ /// Formula: BaseRate × (1 + Role) × (1 + Circle) × (1 + Referral) × (1 + Streak)
+ ///
+ public decimal TotalRate => BaseRate
+ * (1 + RoleBonus)
+ * (1 + CircleBonus)
+ * (1 + ReferralBonus)
+ * (1 + StreakBonus);
+
+ /// EN: Daily earnings / VI: Thu nhập hàng ngày
+ public decimal DailyRate => TotalRate * 24;
+
+ ///
+ /// EN: Create a new mining rate with default base rate.
+ /// VI: Tạo mining rate mới với tỷ lệ cơ bản mặc định.
+ ///
+ public static MiningRate CreateDefault(decimal baseRate = 0.25m) => new()
+ {
+ BaseRate = baseRate,
+ RoleBonus = 0,
+ CircleBonus = 0,
+ ReferralBonus = 0,
+ StreakBonus = 0
+ };
+}
+
+///
+/// EN: Value object representing mining streak tracking.
+/// VI: Value object theo dõi streak đào liên tục.
+///
+public record MiningStreak
+{
+ /// EN: Current consecutive mining days / VI: Số ngày đào liên tục hiện tại
+ public int CurrentStreak { get; init; }
+
+ /// EN: Personal best streak / VI: Kỷ lục streak cá nhân
+ public int LongestStreak { get; init; }
+
+ /// EN: Last successful mining date / VI: Ngày đào thành công cuối cùng
+ public DateTime LastMiningDate { get; init; }
+
+ /// EN: Available freeze tokens / VI: Số token đóng băng khả dụng
+ public int FreezeTokens { get; init; }
+
+ /// EN: Is in grace period (missed 1 day) / VI: Đang trong thời gian ân hạn
+ public bool IsGracePeriod { get; init; }
+
+ ///
+ /// EN: Get bonus multiplier based on streak tier.
+ /// VI: Lấy hệ số thưởng dựa trên cấp streak.
+ ///
+ public decimal BonusMultiplier => CurrentStreak switch
+ {
+ < 3 => 0m, // Day 1-2: 0%
+ < 7 => 0.10m, // Day 3-6: +10%
+ < 14 => 0.25m, // Day 7-13: +25%
+ < 30 => 0.50m, // Day 14-29: +50%
+ < 60 => 1.00m, // Day 30-59: +100%
+ < 90 => 1.25m, // Day 60-89: +125%
+ _ => 1.50m // Day 90+: +150%
+ };
+
+ ///
+ /// EN: Create initial streak for new miner.
+ /// VI: Tạo streak ban đầu cho thợ đào mới.
+ ///
+ public static MiningStreak CreateNew() => new()
+ {
+ CurrentStreak = 0,
+ LongestStreak = 0,
+ LastMiningDate = DateTime.MinValue,
+ FreezeTokens = 0,
+ IsGracePeriod = false
+ };
+
+ ///
+ /// EN: Increment streak after successful claim.
+ /// VI: Tăng streak sau khi nhận thưởng thành công.
+ ///
+ public MiningStreak IncrementStreak()
+ {
+ var newStreak = CurrentStreak + 1;
+ var earnedToken = newStreak % 7 == 0; // Earn 1 token per 7 days
+
+ return this with
+ {
+ CurrentStreak = newStreak,
+ LongestStreak = Math.Max(LongestStreak, newStreak),
+ LastMiningDate = DateTime.UtcNow,
+ FreezeTokens = earnedToken ? FreezeTokens + 1 : FreezeTokens,
+ IsGracePeriod = false
+ };
+ }
+
+ ///
+ /// EN: Reset streak (missed beyond grace period).
+ /// VI: Reset streak (bỏ lỡ quá thời gian ân hạn).
+ ///
+ public MiningStreak Reset() => this with
+ {
+ CurrentStreak = 0,
+ IsGracePeriod = false
+ };
+}
+
+///
+/// EN: Value object representing a mining session.
+/// VI: Value object đại diện cho phiên đào.
+///
+public record MiningSession
+{
+ /// EN: Session unique identifier / VI: Định danh phiên duy nhất
+ public Guid SessionId { get; init; }
+
+ /// EN: Session start time / VI: Thời gian bắt đầu phiên
+ public DateTime StartTime { get; init; }
+
+ /// EN: Session end time / VI: Thời gian kết thúc phiên
+ public DateTime EndTime { get; init; }
+
+ /// EN: Mining rate at session start / VI: Tỷ lệ đào khi bắt đầu phiên
+ public decimal HourlyRate { get; init; }
+
+ /// EN: Current session status / VI: Trạng thái phiên hiện tại
+ public MiningSessionStatus Status { get; init; }
+
+ /// EN: Points accumulated in this session / VI: Điểm tích lũy trong phiên
+ public decimal AccumulatedPoints { get; init; }
+
+ ///
+ /// EN: Create a new 24-hour mining session.
+ /// VI: Tạo phiên đào 24 giờ mới.
+ ///
+ public static MiningSession Create(decimal hourlyRate, int sessionHours = 24)
+ {
+ var now = DateTime.UtcNow;
+ return new MiningSession
+ {
+ SessionId = Guid.NewGuid(),
+ StartTime = now,
+ EndTime = now.AddHours(sessionHours),
+ HourlyRate = hourlyRate,
+ Status = MiningSessionStatus.Active,
+ AccumulatedPoints = 0
+ };
+ }
+
+ ///
+ /// EN: Check if session is ready to claim.
+ /// VI: Kiểm tra phiên đã sẵn sàng để nhận thưởng chưa.
+ ///
+ public bool IsReadyToClaim => Status == MiningSessionStatus.Active && DateTime.UtcNow >= EndTime;
+
+ ///
+ /// EN: Calculate earned points for completed session.
+ /// VI: Tính điểm kiếm được cho phiên hoàn thành.
+ ///
+ public decimal CalculateEarnedPoints()
+ {
+ if (Status != MiningSessionStatus.Active)
+ return AccumulatedPoints;
+
+ var elapsedHours = (decimal)(DateTime.UtcNow - StartTime).TotalHours;
+ var cappedHours = Math.Min(elapsedHours, 24); // Cap at 24 hours
+ return Math.Round(cappedHours * HourlyRate, 4);
+ }
+
+ ///
+ /// EN: Mark session as claimed with final points.
+ /// VI: Đánh dấu phiên đã nhận với điểm cuối cùng.
+ ///
+ public MiningSession MarkAsClaimed(decimal earnedPoints) => this with
+ {
+ Status = MiningSessionStatus.Claimed,
+ AccumulatedPoints = earnedPoints
+ };
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/MiningHistory.cs b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/MiningHistory.cs
new file mode 100644
index 00000000..00ab4f02
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/MinerAggregate/MiningHistory.cs
@@ -0,0 +1,80 @@
+using MiningService.Domain.SeedWork;
+
+namespace MiningService.Domain.AggregatesModel.MinerAggregate;
+
+///
+/// EN: Entity tracking mining history entries.
+/// VI: Entity theo dõi các bản ghi lịch sử đào.
+///
+public class MiningHistory : Entity
+{
+ /// EN: Miner who earned these points / VI: Thợ đào kiếm được điểm này
+ public Guid MinerId { get; private set; }
+
+ /// EN: Points earned in this entry / VI: Điểm kiếm được trong bản ghi này
+ public decimal PointsEarned { get; private set; }
+
+ /// EN: Source of points / VI: Nguồn điểm
+ public string Source { get; private set; } = string.Empty;
+
+ /// EN: Session ID if from mining / VI: ID phiên nếu từ đào
+ public Guid? SessionId { get; private set; }
+
+ /// EN: When points were earned / VI: Khi nào điểm được kiếm
+ public DateTime EarnedAt { get; private set; }
+
+ /// EN: Mining rate at time of earning / VI: Tỷ lệ đào khi kiếm điểm
+ public decimal HourlyRateSnapshot { get; private set; }
+
+ /// EN: Streak day at time of earning / VI: Ngày streak khi kiếm điểm
+ public int StreakDaySnapshot { get; private set; }
+
+ // EF Core constructor
+ protected MiningHistory() { }
+
+ ///
+ /// EN: Create mining history from session claim.
+ /// VI: Tạo lịch sử đào từ việc nhận thưởng phiên.
+ ///
+ public static MiningHistory CreateFromSession(
+ Guid minerId,
+ decimal pointsEarned,
+ Guid sessionId,
+ decimal hourlyRate,
+ int streakDay)
+ {
+ return new MiningHistory
+ {
+ Id = Guid.NewGuid(),
+ MinerId = minerId,
+ PointsEarned = pointsEarned,
+ Source = "Mining",
+ SessionId = sessionId,
+ EarnedAt = DateTime.UtcNow,
+ HourlyRateSnapshot = hourlyRate,
+ StreakDaySnapshot = streakDay
+ };
+ }
+
+ ///
+ /// EN: Create mining history from bonus (referral, milestone, etc).
+ /// VI: Tạo lịch sử đào từ thưởng (giới thiệu, mốc, v.v.).
+ ///
+ public static MiningHistory CreateFromBonus(
+ Guid minerId,
+ decimal pointsEarned,
+ string source)
+ {
+ return new MiningHistory
+ {
+ Id = Guid.NewGuid(),
+ MinerId = minerId,
+ PointsEarned = pointsEarned,
+ Source = source,
+ SessionId = null,
+ EarnedAt = DateTime.UtcNow,
+ HourlyRateSnapshot = 0,
+ StreakDaySnapshot = 0
+ };
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/AggregatesModel/ReferralAggregate/IReferralRepository.cs b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/ReferralAggregate/IReferralRepository.cs
new file mode 100644
index 00000000..a77d5d65
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/ReferralAggregate/IReferralRepository.cs
@@ -0,0 +1,46 @@
+using MiningService.Domain.SeedWork;
+
+namespace MiningService.Domain.AggregatesModel.ReferralAggregate;
+
+///
+/// EN: Repository interface for Referral aggregate.
+/// VI: Interface repository cho Referral aggregate.
+///
+public interface IReferralRepository : IRepository
+{
+ ///
+ /// EN: Get referral by ID.
+ /// VI: Lấy giới thiệu theo ID.
+ ///
+ Task GetByIdAsync(Guid id, CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Get all referrals made by a miner.
+ /// VI: Lấy tất cả giới thiệu bởi một thợ đào.
+ ///
+ Task> GetByReferrerIdAsync(Guid referrerId, CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Get active referrals count for a miner.
+ /// VI: Lấy số lượng giới thiệu hoạt động của thợ đào.
+ ///
+ Task GetActiveCountByReferrerIdAsync(Guid referrerId, CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Get referral by referred miner ID.
+ /// VI: Lấy giới thiệu theo ID thợ đào được giới thiệu.
+ ///
+ Task GetByReferredIdAsync(Guid referredId, CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Add new referral.
+ /// VI: Thêm giới thiệu mới.
+ ///
+ Referral Add(Referral referral);
+
+ ///
+ /// EN: Update existing referral.
+ /// VI: Cập nhật giới thiệu hiện có.
+ ///
+ void Update(Referral referral);
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/AggregatesModel/ReferralAggregate/Referral.cs b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/ReferralAggregate/Referral.cs
new file mode 100644
index 00000000..79231d25
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/AggregatesModel/ReferralAggregate/Referral.cs
@@ -0,0 +1,113 @@
+using MiningService.Domain.Events;
+using MiningService.Domain.Exceptions;
+using MiningService.Domain.SeedWork;
+
+namespace MiningService.Domain.AggregatesModel.ReferralAggregate;
+
+///
+/// EN: Referral Aggregate Root - tracks referral relationships.
+/// VI: Referral Aggregate Root - theo dõi quan hệ giới thiệu.
+///
+public class Referral : Entity, IAggregateRoot
+{
+ #region Properties
+
+ /// EN: Miner who made the referral / VI: Thợ đào thực hiện giới thiệu
+ public Guid ReferrerId { get; private set; }
+
+ /// EN: Miner who was referred / VI: Thợ đào được giới thiệu
+ public Guid ReferredId { get; private set; }
+
+ /// EN: Referral code used / VI: Mã giới thiệu đã sử dụng
+ public string ReferralCode { get; private set; } = string.Empty;
+
+ /// EN: Bonus rate for referrer (e.g., 0.25 = 25%) / VI: Tỷ lệ thưởng cho người giới thiệu
+ public decimal BonusRate { get; private set; }
+
+ /// EN: Whether referral is active (KYC verified) / VI: Giới thiệu có hoạt động không (KYC đã xác minh)
+ public bool IsActive { get; private set; }
+
+ /// EN: Referral level (1 = direct) / VI: Cấp giới thiệu (1 = trực tiếp)
+ public int Level { get; private set; }
+
+ /// EN: When referral was created / VI: Khi giới thiệu được tạo
+ public DateTime CreatedAt { get; private set; }
+
+ /// EN: When referral was activated / VI: Khi giới thiệu được kích hoạt
+ public DateTime? ActivatedAt { get; private set; }
+
+ #endregion
+
+ // EF Core
+ protected Referral() { }
+
+ #region Factory
+
+ ///
+ /// EN: Create a new referral (inactive until KYC).
+ /// VI: Tạo giới thiệu mới (chưa hoạt động cho đến khi KYC).
+ ///
+ public static Referral Create(
+ Guid referrerId,
+ Guid referredId,
+ string referralCode,
+ decimal bonusRate = 0.25m,
+ int level = 1)
+ {
+ if (referrerId == referredId)
+ throw new ReferralDomainException("Cannot refer yourself");
+
+ return new Referral
+ {
+ Id = Guid.NewGuid(),
+ ReferrerId = referrerId,
+ ReferredId = referredId,
+ ReferralCode = referralCode,
+ BonusRate = bonusRate,
+ IsActive = false, // Inactive until KYC
+ Level = level,
+ CreatedAt = DateTime.UtcNow,
+ ActivatedAt = null
+ };
+ }
+
+ #endregion
+
+ #region Methods
+
+ ///
+ /// EN: Activate referral (after KYC verification).
+ /// VI: Kích hoạt giới thiệu (sau khi xác minh KYC).
+ ///
+ public void Activate()
+ {
+ if (IsActive)
+ throw new ReferralDomainException("Referral is already active");
+
+ IsActive = true;
+ ActivatedAt = DateTime.UtcNow;
+
+ AddDomainEvent(new ReferralActivatedDomainEvent(Id, ReferrerId, ReferredId));
+ }
+
+ ///
+ /// EN: Deactivate referral (fraud, account ban, etc).
+ /// VI: Hủy kích hoạt giới thiệu (gian lận, cấm tài khoản, v.v.).
+ ///
+ public void Deactivate()
+ {
+ IsActive = false;
+ }
+
+ ///
+ /// EN: Calculate bonus amount for referrer.
+ /// VI: Tính số tiền thưởng cho người giới thiệu.
+ ///
+ public decimal CalculateBonus(decimal baseRate)
+ {
+ if (!IsActive) return 0;
+ return baseRate * BonusRate;
+ }
+
+ #endregion
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/Events/MiningDomainEvents.cs b/services/mining-service-net/src/MiningService.Domain/Events/MiningDomainEvents.cs
new file mode 100644
index 00000000..ccf8ba9e
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/Events/MiningDomainEvents.cs
@@ -0,0 +1,65 @@
+using MediatR;
+
+namespace MiningService.Domain.Events;
+
+///
+/// EN: Event raised when a new miner profile is created.
+/// VI: Sự kiện khi hồ sơ thợ đào mới được tạo.
+///
+public record MinerCreatedDomainEvent(Guid MinerId, Guid UserId) : INotification;
+
+///
+/// EN: Event raised when a mining session is started.
+/// VI: Sự kiện khi phiên đào được bắt đầu.
+///
+public record MiningSessionStartedDomainEvent(
+ Guid MinerId,
+ Guid SessionId,
+ decimal HourlyRate) : INotification;
+
+///
+/// EN: Event raised when points are mined (session claimed).
+/// VI: Sự kiện khi điểm được đào (phiên được nhận thưởng).
+///
+public record PointsMinedDomainEvent(
+ Guid MinerId,
+ decimal PointsEarned,
+ decimal TotalPoints,
+ int StreakDays) : INotification;
+
+///
+/// EN: Event raised when streak tier changes.
+/// VI: Sự kiện khi cấp streak thay đổi.
+///
+public record StreakUpdatedDomainEvent(
+ Guid MinerId,
+ int PreviousStreak,
+ int NewStreak,
+ decimal NewBonusMultiplier) : INotification;
+
+///
+/// EN: Event raised when a security circle is completed (3+ members).
+/// VI: Sự kiện khi vòng tròn an toàn hoàn thành (3+ thành viên).
+///
+public record CircleCompletedDomainEvent(
+ Guid CircleId,
+ Guid OwnerId,
+ int MemberCount) : INotification;
+
+///
+/// EN: Event raised when a referral is activated (KYC verified).
+/// VI: Sự kiện khi giới thiệu được kích hoạt (KYC đã xác minh).
+///
+public record ReferralActivatedDomainEvent(
+ Guid ReferralId,
+ Guid ReferrerId,
+ Guid ReferredId) : INotification;
+
+///
+/// EN: Event raised when admin updates system configuration.
+/// VI: Sự kiện khi admin cập nhật cấu hình hệ thống.
+///
+public record ConfigurationUpdatedDomainEvent(
+ string ConfigType,
+ Guid UpdatedBy,
+ DateTime UpdatedAt) : INotification;
diff --git a/services/mining-service-net/src/MiningService.Domain/Exceptions/MiningDomainException.cs b/services/mining-service-net/src/MiningService.Domain/Exceptions/MiningDomainException.cs
new file mode 100644
index 00000000..5ce063a3
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/Exceptions/MiningDomainException.cs
@@ -0,0 +1,45 @@
+namespace MiningService.Domain.Exceptions;
+
+///
+/// EN: Base exception for mining domain errors.
+/// VI: Exception cơ sở cho lỗi domain mining.
+///
+public class MiningDomainException : Exception
+{
+ public MiningDomainException() { }
+
+ public MiningDomainException(string message) : base(message) { }
+
+ public MiningDomainException(string message, Exception innerException)
+ : base(message, innerException) { }
+}
+
+///
+/// EN: Exception when miner is not found.
+/// VI: Exception khi không tìm thấy thợ đào.
+///
+public class MinerNotFoundException : MiningDomainException
+{
+ public MinerNotFoundException(Guid minerId)
+ : base($"Miner with ID {minerId} was not found") { }
+
+ public MinerNotFoundException(string message) : base(message) { }
+}
+
+///
+/// EN: Exception when circle operation fails.
+/// VI: Exception khi thao tác vòng tròn thất bại.
+///
+public class CircleDomainException : MiningDomainException
+{
+ public CircleDomainException(string message) : base(message) { }
+}
+
+///
+/// EN: Exception when referral operation fails.
+/// VI: Exception khi thao tác giới thiệu thất bại.
+///
+public class ReferralDomainException : MiningDomainException
+{
+ public ReferralDomainException(string message) : base(message) { }
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/MiningService.Domain.csproj b/services/mining-service-net/src/MiningService.Domain/MiningService.Domain.csproj
new file mode 100644
index 00000000..fbb9871d
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/MiningService.Domain.csproj
@@ -0,0 +1,14 @@
+
+
+
+ MiningService.Domain
+ MiningService.Domain
+ Domain layer containing core business logic and entities
+
+
+
+
+
+
+
+
diff --git a/services/mining-service-net/src/MiningService.Domain/SeedWork/Entity.cs b/services/mining-service-net/src/MiningService.Domain/SeedWork/Entity.cs
new file mode 100644
index 00000000..24d78bd0
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/SeedWork/Entity.cs
@@ -0,0 +1,102 @@
+using MediatR;
+
+namespace MiningService.Domain.SeedWork;
+
+///
+/// EN: Base class for all domain entities.
+/// VI: Lớp cơ sở cho tất cả các entity trong domain.
+///
+public abstract class Entity
+{
+ private int? _requestedHashCode;
+ private Guid _id;
+ private List _domainEvents = new();
+
+ ///
+ /// EN: Unique identifier for the entity.
+ /// VI: Định danh duy nhất cho entity.
+ ///
+ public virtual Guid Id
+ {
+ get => _id;
+ protected set => _id = value;
+ }
+
+ ///
+ /// EN: Domain events raised by this entity.
+ /// VI: Các domain event được phát ra bởi entity này.
+ ///
+ public IReadOnlyCollection DomainEvents => _domainEvents.AsReadOnly();
+
+ ///
+ /// EN: Add a domain event to be dispatched.
+ /// VI: Thêm một domain event để dispatch.
+ ///
+ public void AddDomainEvent(INotification eventItem)
+ {
+ _domainEvents.Add(eventItem);
+ }
+
+ ///
+ /// EN: Remove a domain event.
+ /// VI: Xóa một domain event.
+ ///
+ public void RemoveDomainEvent(INotification eventItem)
+ {
+ _domainEvents.Remove(eventItem);
+ }
+
+ ///
+ /// EN: Clear all domain events.
+ /// VI: Xóa tất cả domain events.
+ ///
+ public void ClearDomainEvents()
+ {
+ _domainEvents.Clear();
+ }
+
+ ///
+ /// EN: Check if entity is transient (not persisted yet).
+ /// VI: Kiểm tra xem entity có phải là transient (chưa lưu) không.
+ ///
+ public bool IsTransient()
+ {
+ return Id == default;
+ }
+
+ public override bool Equals(object? obj)
+ {
+ if (obj is not Entity item)
+ return false;
+
+ if (ReferenceEquals(this, item))
+ return true;
+
+ if (GetType() != item.GetType())
+ return false;
+
+ if (item.IsTransient() || IsTransient())
+ return false;
+
+ return item.Id == Id;
+ }
+
+ public override int GetHashCode()
+ {
+ if (IsTransient())
+ return base.GetHashCode();
+
+ _requestedHashCode ??= Id.GetHashCode() ^ 31;
+ return _requestedHashCode.Value;
+ }
+
+ public static bool operator ==(Entity? left, Entity? right)
+ {
+ return left?.Equals(right) ?? right is null;
+ }
+
+ public static bool operator !=(Entity? left, Entity? right)
+ {
+ return !(left == right);
+ }
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/SeedWork/Enumeration.cs b/services/mining-service-net/src/MiningService.Domain/SeedWork/Enumeration.cs
new file mode 100644
index 00000000..9347e8eb
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/SeedWork/Enumeration.cs
@@ -0,0 +1,95 @@
+using System.Reflection;
+
+namespace MiningService.Domain.SeedWork;
+
+///
+/// EN: Base class for enumeration classes (type-safe enum pattern).
+/// VI: Lớp cơ sở cho các lớp enumeration (pattern enum an toàn kiểu).
+///
+///
+/// EN: This provides a type-safe alternative to enums with additional functionality
+/// like validation, parsing, and rich behavior.
+/// VI: Cung cấp một thay thế an toàn kiểu cho enums với các chức năng bổ sung
+/// như validation, parsing, và hành vi phong phú.
+///
+public abstract class Enumeration : IComparable
+{
+ ///
+ /// EN: The name of the enumeration value.
+ /// VI: Tên của giá trị enumeration.
+ ///
+ public string Name { get; private set; }
+
+ ///
+ /// EN: The unique identifier of the enumeration value.
+ /// VI: Định danh duy nhất của giá trị enumeration.
+ ///
+ public int Id { get; private set; }
+
+ protected Enumeration(int id, string name) => (Id, Name) = (id, name);
+
+ public override string ToString() => Name;
+
+ ///
+ /// EN: Get all enumeration values of a given type.
+ /// VI: Lấy tất cả các giá trị enumeration của một kiểu cho trước.
+ ///
+ public static IEnumerable GetAll() where T : Enumeration =>
+ typeof(T).GetFields(BindingFlags.Public | BindingFlags.Static | BindingFlags.DeclaredOnly)
+ .Select(f => f.GetValue(null))
+ .Cast();
+
+ public override bool Equals(object? obj)
+ {
+ if (obj is not Enumeration otherValue)
+ return false;
+
+ var typeMatches = GetType() == obj.GetType();
+ var valueMatches = Id.Equals(otherValue.Id);
+
+ return typeMatches && valueMatches;
+ }
+
+ public override int GetHashCode() => Id.GetHashCode();
+
+ ///
+ /// EN: Get absolute difference between two enumeration values.
+ /// VI: Lấy sự khác biệt tuyệt đối giữa hai giá trị enumeration.
+ ///
+ public static int AbsoluteDifference(Enumeration firstValue, Enumeration secondValue)
+ {
+ return Math.Abs(firstValue.Id - secondValue.Id);
+ }
+
+ ///
+ /// EN: Parse an integer ID to the corresponding enumeration value.
+ /// VI: Parse một ID integer thành giá trị enumeration tương ứng.
+ ///
+ public static T FromValue(int value) where T : Enumeration
+ {
+ var matchingItem = Parse(value, "value", item => item.Id == value);
+ return matchingItem;
+ }
+
+ ///
+ /// EN: Parse a display name to the corresponding enumeration value.
+ /// VI: Parse một tên hiển thị thành giá trị enumeration tương ứng.
+ ///
+ public static T FromDisplayName(string displayName) where T : Enumeration
+ {
+ var matchingItem = Parse(displayName, "display name", item => item.Name == displayName);
+ return matchingItem;
+ }
+
+ private static T Parse(TValue value, string description, Func predicate) where T : Enumeration
+ {
+ var matchingItem = GetAll().FirstOrDefault(predicate);
+
+ if (matchingItem is null)
+ throw new InvalidOperationException($"'{value}' is not a valid {description} in {typeof(T)}");
+
+ return matchingItem;
+ }
+
+ public int CompareTo(object? other) => Id.CompareTo(((Enumeration)other!).Id);
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/SeedWork/IAggregateRoot.cs b/services/mining-service-net/src/MiningService.Domain/SeedWork/IAggregateRoot.cs
new file mode 100644
index 00000000..9e5a8c2d
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/SeedWork/IAggregateRoot.cs
@@ -0,0 +1,15 @@
+namespace MiningService.Domain.SeedWork;
+
+///
+/// EN: Marker interface for aggregate roots.
+/// VI: Interface đánh dấu cho aggregate roots.
+///
+///
+/// EN: Aggregate roots are the entry points to aggregates and are the only objects
+/// that outside code should hold references to.
+/// VI: Aggregate roots là điểm vào của aggregates và là đối tượng duy nhất
+/// mà code bên ngoài nên giữ tham chiếu đến.
+///
+public interface IAggregateRoot
+{
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/SeedWork/IRepository.cs b/services/mining-service-net/src/MiningService.Domain/SeedWork/IRepository.cs
new file mode 100644
index 00000000..c7065343
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/SeedWork/IRepository.cs
@@ -0,0 +1,15 @@
+namespace MiningService.Domain.SeedWork;
+
+///
+/// EN: Generic repository interface for aggregate roots.
+/// VI: Interface repository generic cho aggregate roots.
+///
+/// EN: The aggregate root type / VI: Kiểu aggregate root
+public interface IRepository where T : IAggregateRoot
+{
+ ///
+ /// EN: The unit of work for this repository.
+ /// VI: Unit of work cho repository này.
+ ///
+ IUnitOfWork UnitOfWork { get; }
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/SeedWork/IUnitOfWork.cs b/services/mining-service-net/src/MiningService.Domain/SeedWork/IUnitOfWork.cs
new file mode 100644
index 00000000..a45c56e3
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/SeedWork/IUnitOfWork.cs
@@ -0,0 +1,30 @@
+namespace MiningService.Domain.SeedWork;
+
+///
+/// EN: Unit of Work pattern interface.
+/// VI: Interface cho Unit of Work pattern.
+///
+///
+/// EN: Maintains a list of objects affected by a business transaction
+/// and coordinates the writing out of changes.
+/// VI: Duy trì danh sách các đối tượng bị ảnh hưởng bởi một transaction nghiệp vụ
+/// và điều phối việc ghi các thay đổi.
+///
+public interface IUnitOfWork : IDisposable
+{
+ ///
+ /// EN: Save all changes made in this unit of work.
+ /// VI: Lưu tất cả các thay đổi được thực hiện trong unit of work này.
+ ///
+ /// EN: Cancellation token / VI: Token hủy
+ /// EN: Number of entities written / VI: Số entity đã ghi
+ Task SaveChangesAsync(CancellationToken cancellationToken = default);
+
+ ///
+ /// EN: Save all changes and dispatch domain events.
+ /// VI: Lưu tất cả thay đổi và dispatch domain events.
+ ///
+ /// EN: Cancellation token / VI: Token hủy
+ /// EN: True if successful / VI: True nếu thành công
+ Task SaveEntitiesAsync(CancellationToken cancellationToken = default);
+}
diff --git a/services/mining-service-net/src/MiningService.Domain/SeedWork/ValueObject.cs b/services/mining-service-net/src/MiningService.Domain/SeedWork/ValueObject.cs
new file mode 100644
index 00000000..c0d07912
--- /dev/null
+++ b/services/mining-service-net/src/MiningService.Domain/SeedWork/ValueObject.cs
@@ -0,0 +1,53 @@
+namespace MiningService.Domain.SeedWork;
+
+///
+/// EN: Base class for Value Objects following DDD patterns.
+/// VI: Lớp cơ sở cho Value Objects theo mẫu DDD.
+///
+///
+/// EN: Value objects are immutable and compared by their values, not identity.
+/// VI: Value objects là bất biến và được so sánh theo giá trị, không phải định danh.
+///
+public abstract class ValueObject
+{
+ ///
+ /// EN: Get the atomic values that make up this value object.
+ /// VI: Lấy các giá trị nguyên tử tạo nên value object này.
+ ///
+ protected abstract IEnumerable