1. 将需要迁移的代码，统一移到 moved 目录下

pay/pay-application/src/main/java/cn/iocoder/mall/pay/biz/service/PayTransactionServiceImpl.java → moved/pay/pay-application/src/main/java/cn/iocoder/mall/pay/biz/service/PayTransactionServiceImpl.java

@@ -38,28 +38,10 @@ import java.util.List;
 @org.apache.dubbo.config.annotation.Service(validation = "true", version = "${dubbo.provider.PayTransactionService.version}")
 public class PayTransactionServiceImpl implements PayTransactionService {
 
-    private Logger logger = LoggerFactory.getLogger(getClass());
-
-    @Autowired
-    private PayTransactionMapper payTransactionMapper;
-    @Autowired
-    private PayTransactionExtensionMapper payTransactionExtensionMapper;
-    @Autowired
-    private PayNotifyTaskMapper payTransactionNotifyTaskMapper;
-
-    @Autowired
-    private PayAppServiceImpl payAppService;
-    @Autowired
-    private PayNotifyServiceImpl payNotifyService;
-
     public PayTransactionDO getTransaction(Integer id) {
         return payTransactionMapper.selectById(id);
     }
 
-    public PayTransactionDO getTransaction(String appId, String orderId) {
-        return payTransactionMapper.selectByAppIdAndOrderId(appId, orderId);
-    }
-
     public int updateTransactionPriceTotalIncr(Integer id, Integer incr) {
         return payTransactionMapper.updateForRefundTotal(id, incr);
     }
@@ -68,17 +50,6 @@ public class PayTransactionServiceImpl implements PayTransactionService {
         return payTransactionExtensionMapper.selectById(id);
     }
 
-    @Override
-    public PayTransactionBO getTransaction(PayTransactionGetDTO payTransactionGetDTO) {
-        PayTransactionDO payTransaction = payTransactionMapper.selectByAppIdAndOrderId(payTransactionGetDTO.getAppId(),
-                payTransactionGetDTO.getOrderId());
-        if (payTransaction == null) {
-            throw ServiceExceptionUtil.exception(PayErrorCodeEnum.PAY_TRANSACTION_NOT_FOUND.getCode());
-        }
-        // TODO 芋艿 userId 的校验
-        return PayTransactionConvert.INSTANCE.convert(payTransaction);
-    }
-
     @Override
     @Transactional
     public Boolean updateTransactionPaySuccess(Integer payChannel, String params) {

pay/pay-application/src/main/java/cn/iocoder/mall/pay/biz/convert/PayRefundConvert.java

-package cn.iocoder.mall.pay.biz.convert;
-
-import cn.iocoder.mall.pay.api.bo.refund.PayRefundBO;
-import cn.iocoder.mall.pay.api.dto.refund.PayRefundSubmitDTO;
-import cn.iocoder.mall.pay.biz.dataobject.PayRefundDO;
-import org.mapstruct.Mapper;
-import org.mapstruct.Mappings;
-import org.mapstruct.factory.Mappers;
-
-import java.util.List;
-
-@Mapper
-public interface PayRefundConvert {
-
-    PayRefundConvert INSTANCE = Mappers.getMapper(PayRefundConvert.class);
-
-    @Mappings({})
-    PayRefundDO convert(PayRefundSubmitDTO payRefundSubmitDTO);
-
-    @Mappings({})
-    PayRefundBO convert(PayRefundDO refund);
-
-    @Mappings({})
-    List<PayRefundBO> convertList(List<PayRefundDO> refunds);
-
-}