충전이벤트가 적용되지 않는 버그 수정

src/main/kotlin/kr/co/vividnext/sodalive/can/charge/event/ChargeEventService.kt

@@ -15,6 +15,7 @@ import kr.co.vividnext.sodalive.member.auth.AuthRepository
 import org.springframework.context.ApplicationEventPublisher
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
 import kotlin.math.ceil
 import kotlin.math.round
 
@@ -27,6 +28,7 @@ class ChargeEventService(
     private val chargeEventRepository: ChargeEventRepository,
     private val applicationEventPublisher: ApplicationEventPublisher
 ) {
+    @Transactional
     fun applyChargeEvent(chargeId: Long, memberId: Long) {
         val charge = chargeRepository.findByIdOrNull(chargeId)
             ?: throw SodaException("결제정보에 오류가 있습니다.")