linter: fix

config/versions/v3.go

@@ -16,7 +16,7 @@ func init() {
 	Manager.registerVersion(3, &Version3{})
 }
 
-// // Exchanges returns all exchanges: "*"
+// Exchanges returns all exchanges: "*"
 func (v *Version3) Exchanges() []string { return []string{"*"} }
 
 // UpgradeExchange will remove the orderbook and publishPeriod from the exchange config
@@ -30,7 +30,7 @@ var defaultOrderbookPublishPeriod = time.Second * 10
 // DowngradeExchange will downgrade the exchange config with the default orderbook publish period
 func (v *Version3) DowngradeExchange(_ context.Context, e []byte) ([]byte, error) {
 	if _, _, _, err := jsonparser.Get(e, "orderbook"); err != nil {
-		return e, nil
+		return e, nil //nolint:nilerr // No error, just return the original config
 	}
 	out, err := json.Marshal(defaultOrderbookPublishPeriod)
 	if err != nil {

config/versions/v3_test.go

@@ -1,6 +1,7 @@
 package versions
 
 import (
+	"context"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -9,29 +10,29 @@ import (
 func TestVersion3UpgradeExchange(t *testing.T) {
 	t.Parallel()
 
-	got, err := (&Version3{}).UpgradeExchange(nil, nil)
+	got, err := (&Version3{}).UpgradeExchange(context.Background(), nil)
 	require.NoError(t, err)
 	require.Nil(t, got)
 
 	payload := []byte(`{"orderbook": {"verificationBypass": false,"websocketBufferLimit": 5,"websocketBufferEnabled": false,"publishPeriod": 10000000000}}`)
 	expected := []byte(`{"orderbook": {"verificationBypass": false,"websocketBufferLimit": 5,"websocketBufferEnabled": false}}`)
-	got, err = (&Version3{}).UpgradeExchange(nil, payload)
+	got, err = (&Version3{}).UpgradeExchange(context.Background(), payload)
 	require.NoError(t, err)
-	require.Equal(t, got, expected)
+	require.Equal(t, expected, got)
 }
 
 func TestVersion3DowngradeExchange(t *testing.T) {
 	t.Parallel()
 
-	got, err := (&Version3{}).DowngradeExchange(nil, nil)
+	got, err := (&Version3{}).DowngradeExchange(context.Background(), nil)
 	require.NoError(t, err)
 	require.Nil(t, got)
 
 	payload := []byte(`{"orderbook": {"verificationBypass": false,"websocketBufferLimit": 5,"websocketBufferEnabled": false}}`)
 	expected := []byte(`{"orderbook": {"verificationBypass": false,"websocketBufferLimit": 5,"websocketBufferEnabled": false,"publishPeriod":10000000000}}`)
-	got, err = (&Version3{}).DowngradeExchange(nil, payload)
+	got, err = (&Version3{}).DowngradeExchange(context.Background(), payload)
 	require.NoError(t, err)
-	require.Equal(t, got, expected)
+	require.Equal(t, expected, got)
 }
 
 func TestVersion3Exchanges(t *testing.T) {