diff --git a/src/main/kotlin/camilyed/github/io/currencyexchangeapi/application/AccountService.kt b/src/main/kotlin/camilyed/github/io/currencyexchangeapi/application/AccountService.kt
index b2c1050..b902965 100644
--- a/src/main/kotlin/camilyed/github/io/currencyexchangeapi/application/AccountService.kt
+++ b/src/main/kotlin/camilyed/github/io/currencyexchangeapi/application/AccountService.kt
@@ -8,7 +8,7 @@ import camilyed.github.io.currencyexchangeapi.domain.AccountRepository
 import camilyed.github.io.currencyexchangeapi.domain.AccountSnapshot
 import camilyed.github.io.currencyexchangeapi.domain.CreateAccountData
 import camilyed.github.io.currencyexchangeapi.domain.CurrentExchangeRateProvider
-import camilyed.github.io.currencyexchangeapi.infrastructure.executeInTransaction
+import camilyed.github.io.currencyexchangeapi.infrastructure.inTransaction
 import java.util.UUID
 
 class AccountService(
@@ -20,11 +20,11 @@ class AccountService(
     fun create(command: CreateAccountCommand): AccountSnapshot {
         val accountId = accountOperationRepository.findAccountIdBy(command.commandId)
         if (accountId != null) {
-            return executeInTransaction { findAccount(accountId).toSnapshot() }
+            return inTransaction { findAccount(accountId).toSnapshot() }
         }
         val id = repository.nextAccountId()
         val account = Account.createNewAccount(command.toCreateAccountData(id))
-        executeInTransaction {
+        inTransaction {
             repository.save(account)
             val events = account.getEvents()
             accountOperationRepository.save(events)
@@ -35,16 +35,16 @@ class AccountService(
     fun exchangePlnToUsd(command: ExchangePlnToUsdCommand): AccountSnapshot {
         val accountId = accountOperationRepository.findAccountIdBy(command.commandId)
         if (accountId != null) {
-            return executeInTransaction { findAccount(accountId).toSnapshot() }
+            return inTransaction { findAccount(accountId).toSnapshot() }
         }
-        val account = executeInTransaction { findAccount(command.accountId) }
+        val account = inTransaction { findAccount(command.accountId) }
         val currentExchange = currentExchangeRateProvider.currentExchange()
         account.exchangePlnToUsd(
             amountPln = Money.pln(command.amount),
             exchangeRate = currentExchange,
             operationId = command.commandId,
         )
-        executeInTransaction {
+        inTransaction {
             repository.save(account)
             accountOperationRepository.save(account.getEvents())
         }
diff --git a/src/main/kotlin/camilyed/github/io/currencyexchangeapi/domain/Account.kt b/src/main/kotlin/camilyed/github/io/currencyexchangeapi/domain/Account.kt
index e198163..5b24184 100644
--- a/src/main/kotlin/camilyed/github/io/currencyexchangeapi/domain/Account.kt
+++ b/src/main/kotlin/camilyed/github/io/currencyexchangeapi/domain/Account.kt
@@ -61,10 +61,6 @@ class Account private constructor(
         balancePln += amountPln
     }
 
-    private fun addEvent(event: AccountEvent) {
-        events.add(event)
-    }
-
     fun getEvents(): List<AccountEvent> = events.toList()
 
     fun toSnapshot(): AccountSnapshot {
@@ -76,6 +72,10 @@ class Account private constructor(
         )
     }
 
+    private fun addEvent(event: AccountEvent) {
+        events.add(event)
+    }
+
     companion object {
         fun createNewAccount(data: CreateAccountData): Account {
             val account = Account(
diff --git a/src/main/kotlin/camilyed/github/io/currencyexchangeapi/infrastructure/TransactionManagerConfig.kt b/src/main/kotlin/camilyed/github/io/currencyexchangeapi/infrastructure/TransactionManagerConfig.kt
index 37acd9a..8899e8f 100644
--- a/src/main/kotlin/camilyed/github/io/currencyexchangeapi/infrastructure/TransactionManagerConfig.kt
+++ b/src/main/kotlin/camilyed/github/io/currencyexchangeapi/infrastructure/TransactionManagerConfig.kt
@@ -6,11 +6,11 @@ import jakarta.annotation.PostConstruct
 import org.jetbrains.exposed.sql.transactions.transaction
 import org.springframework.context.annotation.Configuration
 
-fun <T> executeInTransaction(block: () -> T): T {
-    return inTransaction(block as () -> Any) as T
+fun <T> inTransaction(block: () -> T): T {
+    return executeInTransaction(block as () -> Any) as T
 }
 
-private var inTransaction: (() -> Any) -> Any = { block ->
+private var executeInTransaction: (() -> Any) -> Any = { block ->
     block()
 }
 
@@ -19,7 +19,7 @@ class TransactionManagerConfig {
 
     @PostConstruct
     fun setupProductionTransaction() {
-        inTransaction = { block ->
+        executeInTransaction = { block ->
             transaction { block() }
         }
     }