added v21 upgrade handler

app/upgrades.go

@@ -29,6 +29,7 @@ import (
 	v19 "github.com/Stride-Labs/stride/v20/app/upgrades/v19"
 	v2 "github.com/Stride-Labs/stride/v20/app/upgrades/v2"
 	v20 "github.com/Stride-Labs/stride/v20/app/upgrades/v20"
+	v21 "github.com/Stride-Labs/stride/v20/app/upgrades/v21"
 	v3 "github.com/Stride-Labs/stride/v20/app/upgrades/v3"
 	v4 "github.com/Stride-Labs/stride/v20/app/upgrades/v4"
 	v5 "github.com/Stride-Labs/stride/v20/app/upgrades/v5"
@@ -275,6 +276,15 @@ func (app *StrideApp) setupUpgradeHandlers(appOpts servertypes.AppOptions) {
 		),
 	)
 
+	// v21 upgrade handler
+	app.UpgradeKeeper.SetUpgradeHandler(
+		v21.UpgradeName,
+		v21.CreateUpgradeHandler(
+			app.mm,
+			app.configurator,
+		),
+	)
+
 	upgradeInfo, err := app.UpgradeKeeper.ReadUpgradeInfoFromDisk()
 	if err != nil {
 		panic(fmt.Errorf("Failed to read upgrade info from disk: %w", err))

app/upgrades/v21/upgrades.go

@@ -0,0 +1,23 @@
+package v21
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/module"
+	upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
+)
+
+const (
+	UpgradeName = "v21"
+)
+
+// CreateUpgradeHandler creates an SDK upgrade handler for v21
+func CreateUpgradeHandler(
+	mm *module.Manager,
+	configurator module.Configurator,
+) upgradetypes.UpgradeHandler {
+	return func(ctx sdk.Context, _ upgradetypes.Plan, vm module.VersionMap) (module.VersionMap, error) {
+		ctx.Logger().Info("Starting upgrade v21...")
+		ctx.Logger().Info("Running module migrations...")
+		return mm.RunMigrations(ctx, configurator, vm)
+	}
+}

app/upgrades/v21/upgrades_test.go

@@ -0,0 +1,27 @@
+package v21_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+
+	"github.com/Stride-Labs/stride/v20/app/apptesting"
+)
+
+type UpgradeTestSuite struct {
+	apptesting.AppTestHelper
+}
+
+func (s *UpgradeTestSuite) SetupTest() {
+	s.Setup()
+}
+
+func TestKeeperTestSuite(t *testing.T) {
+	suite.Run(t, new(UpgradeTestSuite))
+}
+
+func (s *UpgradeTestSuite) TestUpgrade() {
+	dummyUpgradeHeight := int64(5)
+
+	s.ConfirmUpgradeSucceededs("v21", dummyUpgradeHeight)
+}