move legacy keytable init to migration handler code

modules/apps/27-interchain-accounts/controller/keeper/keeper.go

@@ -48,11 +48,6 @@ func NewKeeper(
 	ics4Wrapper porttypes.ICS4Wrapper, channelKeeper icatypes.ChannelKeeper, portKeeper icatypes.PortKeeper,
 	scopedKeeper exported.ScopedKeeper, msgRouter icatypes.MessageRouter, authority string,
 ) Keeper {
-	// set KeyTable if it has not already been set
-	if !legacySubspace.HasKeyTable() {
-		legacySubspace = legacySubspace.WithKeyTable(types.ParamKeyTable())
-	}
-
 	if strings.TrimSpace(authority) == "" {
 		panic(errors.New("authority must be non-empty"))
 	}

modules/apps/27-interchain-accounts/host/keeper/keeper.go

@@ -55,11 +55,6 @@ func NewKeeper(
 		panic(errors.New("the Interchain Accounts module account has not been set"))
 	}
 
-	// set KeyTable if it has not already been set
-	if !legacySubspace.HasKeyTable() {
-		legacySubspace = legacySubspace.WithKeyTable(types.ParamKeyTable())
-	}
-
 	if strings.TrimSpace(authority) == "" {
 		panic(errors.New("authority must be non-empty"))
 	}

modules/apps/transfer/keeper/keeper.go

@@ -59,10 +59,6 @@ func NewKeeper(
 	if addr := authKeeper.GetModuleAddress(types.ModuleName); addr == nil {
 		panic(errors.New("the IBC transfer module account has not been set"))
 	}
-	// set KeyTable if it has not already been set
-	if !legacySubspace.HasKeyTable() {
-		legacySubspace = legacySubspace.WithKeyTable(types.ParamKeyTable())
-	}
 
 	if strings.TrimSpace(authority) == "" {
 		panic(errors.New("authority must be non-empty"))

modules/core/02-client/keeper/keeper.go

@@ -39,11 +39,6 @@ type Keeper struct {
 
 // NewKeeper creates a new NewKeeper instance
 func NewKeeper(cdc codec.BinaryCodec, key storetypes.StoreKey, legacySubspace paramtypes.Subspace, sk types.StakingKeeper, uk types.UpgradeKeeper) Keeper {
-	// set KeyTable if it has not already been set
-	if !legacySubspace.HasKeyTable() {
-		legacySubspace = legacySubspace.WithKeyTable(types.ParamKeyTable())
-	}
-
 	return Keeper{
 		storeKey:       key,
 		cdc:            cdc,

modules/core/02-client/keeper/migrations.go

@@ -39,10 +39,10 @@ func (m Migrator) Migrate3to4(ctx sdk.Context) error {
 func (m Migrator) MigrateParams(ctx sdk.Context) error {
 	var params types.Params
 	m.keeper.legacySubspace.GetParamSet(ctx, &params)
-
 	if err := params.Validate(); err != nil {
 		return err
 	}
+
 	m.keeper.SetParams(ctx, params)
 	m.keeper.Logger(ctx).Info("successfully migrated client to self-manage params")
 	return nil

modules/core/03-connection/keeper/keeper.go

@@ -31,11 +31,6 @@ type Keeper struct {
 
 // NewKeeper creates a new IBC connection Keeper instance
 func NewKeeper(cdc codec.BinaryCodec, key storetypes.StoreKey, legacySubspace paramtypes.Subspace, ck types.ClientKeeper) Keeper {
-	// set KeyTable if it has not already been set
-	if !legacySubspace.HasKeyTable() {
-		legacySubspace = legacySubspace.WithKeyTable(types.ParamKeyTable())
-	}
-
 	return Keeper{
 		storeKey:       key,
 		cdc:            cdc,

modules/core/03-connection/keeper/migrations.go

@@ -30,10 +30,10 @@ func (m Migrator) Migrate3to4(ctx sdk.Context) error {
 func (m Migrator) MigrateParams(ctx sdk.Context) error {
 	var params types.Params
 	m.keeper.legacySubspace.GetParamSet(ctx, &params)
-
 	if err := params.Validate(); err != nil {
 		return err
 	}
+
 	m.keeper.SetParams(ctx, params)
 	m.keeper.Logger(ctx).Info("successfully migrated connection to self-manage params")
 	return nil

modules/core/03-connection/keeper/migrations_test.go

@@ -18,7 +18,7 @@ func (suite *KeeperTestSuite) TestMigrateParams() {
 			func() {
 				params := types.DefaultParams()
 				subspace := suite.chainA.GetSimApp().GetSubspace(ibcexported.ModuleName)
-				subspace.SetParamSet(suite.chainA.GetContext(), &params) // set params
+				subspace.SetParamSet(suite.chainA.GetContext(), &params)
 			},
 			types.DefaultParams(),
 		},

modules/core/keeper/keeper.go

@@ -14,7 +14,6 @@ import (
 	clientkeeper "github.com/cosmos/ibc-go/v8/modules/core/02-client/keeper"
 	clienttypes "github.com/cosmos/ibc-go/v8/modules/core/02-client/types"
 	connectionkeeper "github.com/cosmos/ibc-go/v8/modules/core/03-connection/keeper"
-	connectiontypes "github.com/cosmos/ibc-go/v8/modules/core/03-connection/types"
 	channelkeeper "github.com/cosmos/ibc-go/v8/modules/core/04-channel/keeper"
 	portkeeper "github.com/cosmos/ibc-go/v8/modules/core/05-port/keeper"
 	porttypes "github.com/cosmos/ibc-go/v8/modules/core/05-port/types"
@@ -45,14 +44,6 @@ func NewKeeper(
 	stakingKeeper clienttypes.StakingKeeper, upgradeKeeper clienttypes.UpgradeKeeper,
 	scopedKeeper capabilitykeeper.ScopedKeeper, authority string,
 ) *Keeper {
-	// register paramSpace at top level keeper
-	// set KeyTable if it has not already been set
-	if !paramSpace.HasKeyTable() {
-		keyTable := clienttypes.ParamKeyTable()
-		keyTable.RegisterParamSet(&connectiontypes.Params{})
-		paramSpace = paramSpace.WithKeyTable(keyTable)
-	}
-
 	// panic if any of the keepers passed in is empty
 	if isEmpty(stakingKeeper) {
 		panic(errors.New("cannot initialize IBC keeper: empty staking keeper"))

testing/simapp/app.go

@@ -123,6 +123,7 @@ import (
 	ibc "github.com/cosmos/ibc-go/v8/modules/core"
 	ibcclient "github.com/cosmos/ibc-go/v8/modules/core/02-client"
 	ibcclienttypes "github.com/cosmos/ibc-go/v8/modules/core/02-client/types"
+	ibcconnectiontypes "github.com/cosmos/ibc-go/v8/modules/core/03-connection/types"
 	porttypes "github.com/cosmos/ibc-go/v8/modules/core/05-port/types"
 	ibcexported "github.com/cosmos/ibc-go/v8/modules/core/exported"
 	ibckeeper "github.com/cosmos/ibc-go/v8/modules/core/keeper"
@@ -1005,12 +1006,13 @@ func BlockedAddresses() map[string]bool {
 func initParamsKeeper(appCodec codec.BinaryCodec, legacyAmino *codec.LegacyAmino, key, tkey storetypes.StoreKey) paramskeeper.Keeper {
 	paramsKeeper := paramskeeper.NewKeeper(appCodec, legacyAmino, key, tkey)
 
-	// TODO: ibc module subspaces can be removed after migration of params
-	// https://github.com/cosmos/ibc-go/issues/2010
-	paramsKeeper.Subspace(ibctransfertypes.ModuleName)
-	paramsKeeper.Subspace(ibcexported.ModuleName)
-	paramsKeeper.Subspace(icacontrollertypes.SubModuleName)
-	paramsKeeper.Subspace(icahosttypes.SubModuleName)
+	// register the key tables for legacy param subspaces
+	keyTable := ibcclienttypes.ParamKeyTable()
+	keyTable.RegisterParamSet(&ibcconnectiontypes.Params{})
+	paramsKeeper.Subspace(ibcexported.ModuleName).WithKeyTable(keyTable)
+	paramsKeeper.Subspace(ibctransfertypes.ModuleName).WithKeyTable(ibctransfertypes.ParamKeyTable())
+	paramsKeeper.Subspace(icacontrollertypes.SubModuleName).WithKeyTable(icacontrollertypes.ParamKeyTable())
+	paramsKeeper.Subspace(icahosttypes.SubModuleName).WithKeyTable(icahosttypes.ParamKeyTable())
 
 	return paramsKeeper
 }