Add scopedkeeper as an interface to exported package (#2638)

## Description

Move all expected scoped keepers to a unified interface in `core/exported` package.

closes: #2020

---

Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

- [ ] Targeted PR against correct branch (see [CONTRIBUTING.md](https://github.com/cosmos/ibc-go/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
- [ ] Code follows the [module structure standards](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules/10-structure.md).
- [ ] Wrote unit and integration [tests](https://github.com/cosmos/ibc-go/blob/master/CONTRIBUTING.md#testing)
- [ ] Updated relevant documentation (`docs/`) or specification (`x/<module>/spec/`)
- [ ] Added relevant `godoc` [comments](https://blog.golang.org/godoc-documenting-go-code).
- [ ] Added a relevant changelog entry to the `Unreleased` section in `CHANGELOG.md`
- [ ] Re-reviewed `Files changed` in the Github PR explorer
- [ ] Review `Codecov Report` in the comment section below once CI passes

(cherry picked from commit ce74b00)

# Conflicts:
#	CHANGELOG.md

CHANGELOG.md

@@ -46,10 +46,30 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (apps/transfer) [\#2446](https://github.com/cosmos/ibc-go/pull/2446) Remove `SendTransfer` function in favor of a private `sendTransfer` function. All IBC transfers must be initiated with `MsgTransfer`.
 * (apps/29-fee) [\#2395](https://github.com/cosmos/ibc-go/pull/2395) Remove param space from ics29 NewKeeper function. The field was unused.
 * (apps/27-interchain-accounts) [\#2133](https://github.com/cosmos/ibc-go/pull/2133) Generates genesis protos in a separate directory to avoid circular import errors. The protobuf package name has changed for the genesis types.
+<<<<<<< HEAD
 * (apps/27-interchain-accounts) [\#2035](https://github.com/cosmos/ibc-go/pull/2035) Interchain accounts host and controller Keepers now expects a keeper which fulfills the expected `ScopedKeeper` interface for the capability keeper.
 * (transfer) [\#2034](https://github.com/cosmos/ibc-go/pull/2034) Transfer Keeper now expects a keeper which fulfills the expected `ScopedKeeper` interface for the capability keeper.
 * (05-port) [\#2025](https://github.com/cosmos/ibc-go/pull/2025) Port Keeper now expects a keeper which fulfills the expected `ScopedKeeper` interface for the capability keeper.
 * (04-channel) [\#2024](https://github.com/cosmos/ibc-go/pull/2024) Channel Keeper now expects a keeper which fulfills the expected `ScopedKeeper` interface for the capability keeper.
+=======
+* (light-clients/tendermint)[\#1768](https://github.com/cosmos/ibc-go/pull/1768) Removed `AllowUpdateAfterExpiry`, `AllowUpdateAfterMisbehaviour` booleans as they are deprecated (see ADR026)
+* (06-solomachine) [\#1679](https://github.com/cosmos/ibc-go/pull/1679) Remove `types` sub-package from `06-solomachine` lightclient directory. 
+* (07-tendermint) [\#1677](https://github.com/cosmos/ibc-go/pull/1677) Remove `types` sub-package from `07-tendermint` lightclient directory. 
+* (06-solomachine) [\#1687](https://github.com/cosmos/ibc-go/pull/1687) Bump `06-solomachine` protobuf version from `v2` to `v3`.
+* (06-solomachine) [\#1687](https://github.com/cosmos/ibc-go/pull/1687) Removed `DataType` enum and associated message types from `06-solomachine`. `DataType` has been removed from `SignBytes` and `SignatureAndData` in favour of `path`.
+* (02-client) [\#598](https://github.com/cosmos/ibc-go/pull/598) The client state and consensus state return value has been removed from `VerifyUpgradeAndUpdateState`. Light client implementations must update the client state and consensus state after verifying a valid client upgrade. 
+* (06-solomachine) [\#1100](https://github.com/cosmos/ibc-go/pull/1100) Remove `GetClientID` function from 06-solomachine `Misbehaviour` type.
+* (06-solomachine) [\#1100](https://github.com/cosmos/ibc-go/pull/1100) Deprecate `ClientId` field in 06-solomachine `Misbehaviour` type. 
+* (07-tendermint) [\#1097](https://github.com/cosmos/ibc-go/pull/1097) Remove `GetClientID` function from 07-tendermint `Misbehaviour` type.
+* (07-tendermint) [\#1097](https://github.com/cosmos/ibc-go/pull/1097) Deprecate `ClientId` field in 07-tendermint `Misbehaviour` type.
+* (modules/core/exported) [\#1107](https://github.com/cosmos/ibc-go/pull/1107) Merging the `Header` and `Misbehaviour` interfaces into a single `ClientMessage` type.
+* (06-solomachine)[\#1906](https://github.com/cosmos/ibc-go/pull/1906/files) Removed `AllowUpdateAfterProposal` boolean as it has been deprecated (see 01_concepts of the solo machine spec for more details).
+* (07-tendermint) [\#1896](https://github.com/cosmos/ibc-go/pull/1896) Remove error return from `IterateConsensusStateAscending` in `07-tendermint`.
+* (apps/27-interchain-accounts) [\#2638](https://github.com/cosmos/ibc-go/pull/2638) Interchain accounts host and controller Keepers now expects a keeper which fulfills the expected `exported.ScopedKeeper` interface for the capability keeper.
+* (transfer) [\#2638](https://github.com/cosmos/ibc-go/pull/2638) Transfer Keeper now expects a keeper which fulfills the expected `exported.ScopedKeeper` interface for the capability keeper.
+* (05-port) [\#2638](https://github.com/cosmos/ibc-go/pull/2638) Port Keeper now expects a keeper which fulfills the expected `exported.ScopedKeeper` interface for the capability keeper.
+* (04-channel) [\#2638](https://github.com/cosmos/ibc-go/pull/2638) Channel Keeper now expects a keeper which fulfills the expected `exported.ScopedKeeper` interface for the capability keeper.
+>>>>>>> ce74b00 (Add scopedkeeper as an interface to exported package (#2638))
 * (core/04-channel)[\#1703](https://github.com/cosmos/ibc-go/pull/1703) Update `SendPacket` API to take in necessary arguments and construct rest of packet rather than taking in entire packet. The generated packet sequence is returned by the `SendPacket` function.
 * (modules/apps/27-interchain-accounts) [\#2433](https://github.com/cosmos/ibc-go/pull/2450) Renamed icatypes.PortPrefix to icatypes.ControllerPortPrefix & icatypes.PortID to icatypes.HostPortID
 * (core/02-client) [\#2573](https://github.com/cosmos/ibc-go/pull/2573) Renames `ClientParams` gRPC query method to `Params`.

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

@@ -18,6 +18,7 @@ import (
 	channeltypes "github.com/cosmos/ibc-go/v6/modules/core/04-channel/types"
 	porttypes "github.com/cosmos/ibc-go/v6/modules/core/05-port/types"
 	host "github.com/cosmos/ibc-go/v6/modules/core/24-host"
+	"github.com/cosmos/ibc-go/v6/modules/core/exported"
 )
 
 // Keeper defines the IBC interchain accounts controller keeper
@@ -30,7 +31,7 @@ type Keeper struct {
 	channelKeeper icatypes.ChannelKeeper
 	portKeeper    icatypes.PortKeeper
 
-	scopedKeeper icatypes.ScopedKeeper
+	scopedKeeper exported.ScopedKeeper
 
 	msgRouter icatypes.MessageRouter
 }
@@ -39,7 +40,7 @@ type Keeper struct {
 func NewKeeper(
 	cdc codec.BinaryCodec, key storetypes.StoreKey, paramSpace paramtypes.Subspace,
 	ics4Wrapper porttypes.ICS4Wrapper, channelKeeper icatypes.ChannelKeeper, portKeeper icatypes.PortKeeper,
-	scopedKeeper icatypes.ScopedKeeper, msgRouter icatypes.MessageRouter,
+	scopedKeeper exported.ScopedKeeper, msgRouter icatypes.MessageRouter,
 ) Keeper {
 	// set KeyTable if it has not already been set
 	if !paramSpace.HasKeyTable() {

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

@@ -17,6 +17,7 @@ import (
 	channeltypes "github.com/cosmos/ibc-go/v6/modules/core/04-channel/types"
 	porttypes "github.com/cosmos/ibc-go/v6/modules/core/05-port/types"
 	host "github.com/cosmos/ibc-go/v6/modules/core/24-host"
+	"github.com/cosmos/ibc-go/v6/modules/core/exported"
 )
 
 // Keeper defines the IBC interchain accounts host keeper
@@ -30,7 +31,7 @@ type Keeper struct {
 	portKeeper    icatypes.PortKeeper
 	accountKeeper icatypes.AccountKeeper
 
-	scopedKeeper icatypes.ScopedKeeper
+	scopedKeeper exported.ScopedKeeper
 
 	msgRouter icatypes.MessageRouter
 }
@@ -39,7 +40,7 @@ type Keeper struct {
 func NewKeeper(
 	cdc codec.BinaryCodec, key storetypes.StoreKey, paramSpace paramtypes.Subspace,
 	ics4Wrapper porttypes.ICS4Wrapper, channelKeeper icatypes.ChannelKeeper, portKeeper icatypes.PortKeeper,
-	accountKeeper icatypes.AccountKeeper, scopedKeeper icatypes.ScopedKeeper, msgRouter icatypes.MessageRouter,
+	accountKeeper icatypes.AccountKeeper, scopedKeeper exported.ScopedKeeper, msgRouter icatypes.MessageRouter,
 ) Keeper {
 	// ensure ibc interchain accounts module account is set
 	if addr := accountKeeper.GetModuleAddress(icatypes.ModuleName); addr == nil {

modules/apps/27-interchain-accounts/types/expected_keepers.go

@@ -31,11 +31,3 @@ type PortKeeper interface {
 	BindPort(ctx sdk.Context, portID string) *capabilitytypes.Capability
 	IsBound(ctx sdk.Context, portID string) bool
 }
-
-// ScopedKeeper defines the expected x/capability scoped keeper interface
-type ScopedKeeper interface {
-	GetCapability(ctx sdk.Context, name string) (*capabilitytypes.Capability, bool)
-	AuthenticateCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) bool
-	LookupModules(ctx sdk.Context, name string) ([]string, *capabilitytypes.Capability, error)
-	ClaimCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) error
-}

modules/apps/transfer/keeper/keeper.go

@@ -13,6 +13,7 @@ import (
 	"github.com/cosmos/ibc-go/v6/modules/apps/transfer/types"
 	porttypes "github.com/cosmos/ibc-go/v6/modules/core/05-port/types"
 	host "github.com/cosmos/ibc-go/v6/modules/core/24-host"
+	"github.com/cosmos/ibc-go/v6/modules/core/exported"
 )
 
 // Keeper defines the IBC fungible transfer keeper
@@ -26,14 +27,14 @@ type Keeper struct {
 	portKeeper    types.PortKeeper
 	authKeeper    types.AccountKeeper
 	bankKeeper    types.BankKeeper
-	scopedKeeper  types.ScopedKeeper
+	scopedKeeper  exported.ScopedKeeper
 }
 
 // NewKeeper creates a new IBC transfer Keeper instance
 func NewKeeper(
 	cdc codec.BinaryCodec, key storetypes.StoreKey, paramSpace paramtypes.Subspace,
 	ics4Wrapper porttypes.ICS4Wrapper, channelKeeper types.ChannelKeeper, portKeeper types.PortKeeper,
-	authKeeper types.AccountKeeper, bankKeeper types.BankKeeper, scopedKeeper types.ScopedKeeper,
+	authKeeper types.AccountKeeper, bankKeeper types.BankKeeper, scopedKeeper exported.ScopedKeeper,
 ) Keeper {
 	// ensure ibc transfer module account is set
 	if addr := authKeeper.GetModuleAddress(types.ModuleName); addr == nil {

modules/apps/transfer/types/expected_keepers.go

@@ -46,11 +46,3 @@ type ConnectionKeeper interface {
 type PortKeeper interface {
 	BindPort(ctx sdk.Context, portID string) *capabilitytypes.Capability
 }
-
-// ScopedKeeper defines the expected x/capability scoped keeper interface
-type ScopedKeeper interface {
-	GetCapability(ctx sdk.Context, name string) (*capabilitytypes.Capability, bool)
-	AuthenticateCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) bool
-	LookupModules(ctx sdk.Context, name string) ([]string, *capabilitytypes.Capability, error)
-	ClaimCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) error
-}

modules/core/04-channel/keeper/keeper.go

@@ -32,14 +32,14 @@ type Keeper struct {
 	clientKeeper     types.ClientKeeper
 	connectionKeeper types.ConnectionKeeper
 	portKeeper       types.PortKeeper
-	scopedKeeper     types.ScopedKeeper
+	scopedKeeper     exported.ScopedKeeper
 }
 
 // NewKeeper creates a new IBC channel Keeper instance
 func NewKeeper(
 	cdc codec.BinaryCodec, key storetypes.StoreKey,
 	clientKeeper types.ClientKeeper, connectionKeeper types.ConnectionKeeper,
-	portKeeper types.PortKeeper, scopedKeeper types.ScopedKeeper,
+	portKeeper types.PortKeeper, scopedKeeper exported.ScopedKeeper,
 ) Keeper {
 	return Keeper{
 		storeKey:         key,

modules/core/04-channel/types/expected_keepers.go

@@ -76,10 +76,3 @@ type ConnectionKeeper interface {
 type PortKeeper interface {
 	Authenticate(ctx sdk.Context, key *capabilitytypes.Capability, portID string) bool
 }
-
-// ScopedKeeper defines the expected x/capability scoped keeper interface
-type ScopedKeeper interface {
-	NewCapability(ctx sdk.Context, name string) (*capabilitytypes.Capability, error)
-	AuthenticateCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) bool
-	LookupModules(ctx sdk.Context, name string) ([]string, *capabilitytypes.Capability, error)
-}

modules/core/05-port/keeper/keeper.go

@@ -9,17 +9,18 @@ import (
 
 	"github.com/cosmos/ibc-go/v6/modules/core/05-port/types"
 	host "github.com/cosmos/ibc-go/v6/modules/core/24-host"
+	"github.com/cosmos/ibc-go/v6/modules/core/exported"
 )
 
 // Keeper defines the IBC connection keeper
 type Keeper struct {
 	Router *types.Router
 
-	scopedKeeper types.ScopedKeeper
+	scopedKeeper exported.ScopedKeeper
 }
 
 // NewKeeper creates a new IBC connection Keeper instance
-func NewKeeper(sck types.ScopedKeeper) Keeper {
+func NewKeeper(sck exported.ScopedKeeper) Keeper {
 	return Keeper{
 		scopedKeeper: sck,
 	}

modules/core/05-port/types/expected_keepers.go → modules/core/exported/expected_keepers.go

@@ -1,4 +1,4 @@
-package types
+package exported
 
 import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -11,4 +11,5 @@ type ScopedKeeper interface {
 	GetCapability(ctx sdk.Context, name string) (*capabilitytypes.Capability, bool)
 	AuthenticateCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) bool
 	LookupModules(ctx sdk.Context, name string) ([]string, *capabilitytypes.Capability, error)
+	ClaimCapability(ctx sdk.Context, cap *capabilitytypes.Capability, name string) error
 }