diff --git a/nns/nns_contract.go b/nns/nns_contract.go
index 9df2d18..d4bc83b 100644
--- a/nns/nns_contract.go
+++ b/nns/nns_contract.go
@@ -41,8 +41,8 @@ const (
 	// prefixRecord contains map from (token key + hash160(token name) + record type)
 	// to record.
 	prefixRecord byte = 0x22
-	//prefixGlobalDomain contains a flag indicating that this domain was created using GlobalDomain.
-	//This is necessary to distinguish it from regular CNAME records.
+	// prefixGlobalDomain contains a flag indicating that this domain was created using GlobalDomain.
+	// This is necessary to distinguish it from regular CNAME records.
 	prefixGlobalDomain byte = 0x23
 	// prefixCountSubDomains contains information about the number of domains in the zone.
 	// If it is nil, it will definitely be calculated on the first removal.
@@ -79,7 +79,7 @@ const (
 
 const (
 	// Cnametgt is a special TXT record ensuring all created subdomains point to the global domain - the value of this variable.
-	//It is guaranteed that two domains cannot point to the same global domain.
+	// It is guaranteed that two domains cannot point to the same global domain.
 	Cnametgt = "cnametgt"
 )
 
diff --git a/tests/nns_test.go b/tests/nns_test.go
index f19a448..56ed98a 100644
--- a/tests/nns_test.go
+++ b/tests/nns_test.go
@@ -177,8 +177,10 @@ func TestNNSRegister(t *testing.T) {
 
 	cAcc := c.WithSigners(acc)
 
-	expected = stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte("testdomain.com")),
-		stackitem.NewBigInteger(big.NewInt(int64(nns.TXT)))})
+	expected = stackitem.NewArray([]stackitem.Item{
+		stackitem.NewByteArray([]byte("testdomain.com")),
+		stackitem.NewBigInteger(big.NewInt(int64(nns.TXT))),
+	})
 	tx = cAcc.Invoke(t, stackitem.Null{}, "addRecord",
 		"testdomain.com", int64(nns.TXT), "first TXT record")
 	c.CheckTxNotificationEvent(t, tx, 0, state.NotificationEvent{ScriptHash: c.Hash, Name: "AddRecord", Item: expected})
@@ -194,8 +196,10 @@ func TestNNSRegister(t *testing.T) {
 	})
 	c.Invoke(t, expected, "getRecords", "testdomain.com", int64(nns.TXT))
 
-	expected = stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte("testdomain.com")),
-		stackitem.NewBigInteger(big.NewInt(int64(nns.TXT)))})
+	expected = stackitem.NewArray([]stackitem.Item{
+		stackitem.NewByteArray([]byte("testdomain.com")),
+		stackitem.NewBigInteger(big.NewInt(int64(nns.TXT))),
+	})
 	tx = cAcc.Invoke(t, stackitem.Null{}, "setRecord",
 		"testdomain.com", int64(nns.TXT), int64(0), "replaced first")
 	c.CheckTxNotificationEvent(t, tx, 0, state.NotificationEvent{ScriptHash: c.Hash, Name: "AddRecord", Item: expected})
@@ -207,8 +211,10 @@ func TestNNSRegister(t *testing.T) {
 	c.Invoke(t, expected, "getRecords", "testdomain.com", int64(nns.TXT))
 
 	tx = cAcc.Invoke(t, stackitem.Null{}, "deleteRecords", "testdomain.com", int64(nns.TXT))
-	expected = stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte("testdomain.com")),
-		stackitem.NewBigInteger(big.NewInt(int64(nns.TXT)))})
+	expected = stackitem.NewArray([]stackitem.Item{
+		stackitem.NewByteArray([]byte("testdomain.com")),
+		stackitem.NewBigInteger(big.NewInt(int64(nns.TXT))),
+	})
 	c.CheckTxNotificationEvent(t, tx, 0, state.NotificationEvent{ScriptHash: c.Hash, Name: "DeleteRecords", Item: expected})
 
 	c.Invoke(t, stackitem.Null{}, "getRecords", "testdomain.com", int64(nns.TXT))
@@ -255,8 +261,10 @@ func TestNNSRegister(t *testing.T) {
 	c.Invoke(t, stackitem.Null{}, "getRecords", "testdomain.com", int64(nns.TXT))
 
 	tx = cAcc.Invoke(t, stackitem.Null{}, "deleteDomain", "testdomain.com")
-	expected = stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte("testdomain.com")),
-		stackitem.NewBigInteger(big.NewInt(int64(nns.CNAME)))})
+	expected = stackitem.NewArray([]stackitem.Item{
+		stackitem.NewByteArray([]byte("testdomain.com")),
+		stackitem.NewBigInteger(big.NewInt(int64(nns.CNAME))),
+	})
 	c.CheckTxNotificationEvent(t, tx, 0, state.NotificationEvent{ScriptHash: c.Hash, Name: "DeleteRecords", Item: expected})
 
 	expected = stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte("testdomain.com"))})
@@ -371,6 +379,7 @@ func TestGlobalDomain(t *testing.T) {
 
 	c.InvokeFail(t, "global domain is already taken", "isAvailable", "dom.testdomain.com")
 }
+
 func TestTLDRecord(t *testing.T) {
 	c := newNNSInvoker(t, true)
 	c.Invoke(t, stackitem.Null{}, "addRecord",