feat: migrate x/staking to app wiring (#12102)

## Description
Migrate x/staking to the new app wiring (dependency injection).

Tracking progress at https://github.com/cosmos/cosmos-sdk/issues/12036

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/main/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [x] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

api/cosmos/staking/module/v1/module.pulsar.go

@@ -0,0 +1,503 @@
+// Code generated by protoc-gen-go-pulsar. DO NOT EDIT.
+package modulev1
+
+import (
+	_ "cosmossdk.io/api/cosmos/app/v1alpha1"
+	fmt "fmt"
+	runtime "github.com/cosmos/cosmos-proto/runtime"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoiface "google.golang.org/protobuf/runtime/protoiface"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	io "io"
+	reflect "reflect"
+	sync "sync"
+)
+
+var (
+	md_Module protoreflect.MessageDescriptor
+)
+
+func init() {
+	file_cosmos_staking_module_v1_module_proto_init()
+	md_Module = File_cosmos_staking_module_v1_module_proto.Messages().ByName("Module")
+}
+
+var _ protoreflect.Message = (*fastReflection_Module)(nil)
+
+type fastReflection_Module Module
+
+func (x *Module) ProtoReflect() protoreflect.Message {
+	return (*fastReflection_Module)(x)
+}
+
+func (x *Module) slowProtoReflect() protoreflect.Message {
+	mi := &file_cosmos_staking_module_v1_module_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+var _fastReflection_Module_messageType fastReflection_Module_messageType
+var _ protoreflect.MessageType = fastReflection_Module_messageType{}
+
+type fastReflection_Module_messageType struct{}
+
+func (x fastReflection_Module_messageType) Zero() protoreflect.Message {
+	return (*fastReflection_Module)(nil)
+}
+func (x fastReflection_Module_messageType) New() protoreflect.Message {
+	return new(fastReflection_Module)
+}
+func (x fastReflection_Module_messageType) Descriptor() protoreflect.MessageDescriptor {
+	return md_Module
+}
+
+// Descriptor returns message descriptor, which contains only the protobuf
+// type information for the message.
+func (x *fastReflection_Module) Descriptor() protoreflect.MessageDescriptor {
+	return md_Module
+}
+
+// Type returns the message type, which encapsulates both Go and protobuf
+// type information. If the Go type information is not needed,
+// it is recommended that the message descriptor be used instead.
+func (x *fastReflection_Module) Type() protoreflect.MessageType {
+	return _fastReflection_Module_messageType
+}
+
+// New returns a newly allocated and mutable empty message.
+func (x *fastReflection_Module) New() protoreflect.Message {
+	return new(fastReflection_Module)
+}
+
+// Interface unwraps the message reflection interface and
+// returns the underlying ProtoMessage interface.
+func (x *fastReflection_Module) Interface() protoreflect.ProtoMessage {
+	return (*Module)(x)
+}
+
+// Range iterates over every populated field in an undefined order,
+// calling f for each field descriptor and value encountered.
+// Range returns immediately if f returns false.
+// While iterating, mutating operations may only be performed
+// on the current field descriptor.
+func (x *fastReflection_Module) Range(f func(protoreflect.FieldDescriptor, protoreflect.Value) bool) {
+}
+
+// Has reports whether a field is populated.
+//
+// Some fields have the property of nullability where it is possible to
+// distinguish between the default value of a field and whether the field
+// was explicitly populated with the default value. Singular message fields,
+// member fields of a oneof, and proto2 scalar fields are nullable. Such
+// fields are populated only if explicitly set.
+//
+// In other cases (aside from the nullable cases above),
+// a proto3 scalar field is populated if it contains a non-zero value, and
+// a repeated field is populated if it is non-empty.
+func (x *fastReflection_Module) Has(fd protoreflect.FieldDescriptor) bool {
+	switch fd.FullName() {
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.staking.module.v1.Module"))
+		}
+		panic(fmt.Errorf("message cosmos.staking.module.v1.Module does not contain field %s", fd.FullName()))
+	}
+}
+
+// Clear clears the field such that a subsequent Has call reports false.
+//
+// Clearing an extension field clears both the extension type and value
+// associated with the given field number.
+//
+// Clear is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_Module) Clear(fd protoreflect.FieldDescriptor) {
+	switch fd.FullName() {
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.staking.module.v1.Module"))
+		}
+		panic(fmt.Errorf("message cosmos.staking.module.v1.Module does not contain field %s", fd.FullName()))
+	}
+}
+
+// Get retrieves the value for a field.
+//
+// For unpopulated scalars, it returns the default value, where
+// the default value of a bytes scalar is guaranteed to be a copy.
+// For unpopulated composite types, it returns an empty, read-only view
+// of the value; to obtain a mutable reference, use Mutable.
+func (x *fastReflection_Module) Get(descriptor protoreflect.FieldDescriptor) protoreflect.Value {
+	switch descriptor.FullName() {
+	default:
+		if descriptor.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.staking.module.v1.Module"))
+		}
+		panic(fmt.Errorf("message cosmos.staking.module.v1.Module does not contain field %s", descriptor.FullName()))
+	}
+}
+
+// Set stores the value for a field.
+//
+// For a field belonging to a oneof, it implicitly clears any other field
+// that may be currently set within the same oneof.
+// For extension fields, it implicitly stores the provided ExtensionType.
+// When setting a composite type, it is unspecified whether the stored value
+// aliases the source's memory in any way. If the composite value is an
+// empty, read-only value, then it panics.
+//
+// Set is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_Module) Set(fd protoreflect.FieldDescriptor, value protoreflect.Value) {
+	switch fd.FullName() {
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.staking.module.v1.Module"))
+		}
+		panic(fmt.Errorf("message cosmos.staking.module.v1.Module does not contain field %s", fd.FullName()))
+	}
+}
+
+// Mutable returns a mutable reference to a composite type.
+//
+// If the field is unpopulated, it may allocate a composite value.
+// For a field belonging to a oneof, it implicitly clears any other field
+// that may be currently set within the same oneof.
+// For extension fields, it implicitly stores the provided ExtensionType
+// if not already stored.
+// It panics if the field does not contain a composite type.
+//
+// Mutable is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_Module) Mutable(fd protoreflect.FieldDescriptor) protoreflect.Value {
+	switch fd.FullName() {
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.staking.module.v1.Module"))
+		}
+		panic(fmt.Errorf("message cosmos.staking.module.v1.Module does not contain field %s", fd.FullName()))
+	}
+}
+
+// NewField returns a new value that is assignable to the field
+// for the given descriptor. For scalars, this returns the default value.
+// For lists, maps, and messages, this returns a new, empty, mutable value.
+func (x *fastReflection_Module) NewField(fd protoreflect.FieldDescriptor) protoreflect.Value {
+	switch fd.FullName() {
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.staking.module.v1.Module"))
+		}
+		panic(fmt.Errorf("message cosmos.staking.module.v1.Module does not contain field %s", fd.FullName()))
+	}
+}
+
+// WhichOneof reports which field within the oneof is populated,
+// returning nil if none are populated.
+// It panics if the oneof descriptor does not belong to this message.
+func (x *fastReflection_Module) WhichOneof(d protoreflect.OneofDescriptor) protoreflect.FieldDescriptor {
+	switch d.FullName() {
+	default:
+		panic(fmt.Errorf("%s is not a oneof field in cosmos.staking.module.v1.Module", d.FullName()))
+	}
+	panic("unreachable")
+}
+
+// GetUnknown retrieves the entire list of unknown fields.
+// The caller may only mutate the contents of the RawFields
+// if the mutated bytes are stored back into the message with SetUnknown.
+func (x *fastReflection_Module) GetUnknown() protoreflect.RawFields {
+	return x.unknownFields
+}
+
+// SetUnknown stores an entire list of unknown fields.
+// The raw fields must be syntactically valid according to the wire format.
+// An implementation may panic if this is not the case.
+// Once stored, the caller must not mutate the content of the RawFields.
+// An empty RawFields may be passed to clear the fields.
+//
+// SetUnknown is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_Module) SetUnknown(fields protoreflect.RawFields) {
+	x.unknownFields = fields
+}
+
+// IsValid reports whether the message is valid.
+//
+// An invalid message is an empty, read-only value.
+//
+// An invalid message often corresponds to a nil pointer of the concrete
+// message type, but the details are implementation dependent.
+// Validity is not part of the protobuf data model, and may not
+// be preserved in marshaling or other operations.
+func (x *fastReflection_Module) IsValid() bool {
+	return x != nil
+}
+
+// ProtoMethods returns optional fastReflectionFeature-path implementations of various operations.
+// This method may return nil.
+//
+// The returned methods type is identical to
+// "google.golang.org/protobuf/runtime/protoiface".Methods.
+// Consult the protoiface package documentation for details.
+func (x *fastReflection_Module) ProtoMethods() *protoiface.Methods {
+	size := func(input protoiface.SizeInput) protoiface.SizeOutput {
+		x := input.Message.Interface().(*Module)
+		if x == nil {
+			return protoiface.SizeOutput{
+				NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+				Size:              0,
+			}
+		}
+		options := runtime.SizeInputToOptions(input)
+		_ = options
+		var n int
+		var l int
+		_ = l
+		if x.unknownFields != nil {
+			n += len(x.unknownFields)
+		}
+		return protoiface.SizeOutput{
+			NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+			Size:              n,
+		}
+	}
+
+	marshal := func(input protoiface.MarshalInput) (protoiface.MarshalOutput, error) {
+		x := input.Message.Interface().(*Module)
+		if x == nil {
+			return protoiface.MarshalOutput{
+				NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+				Buf:               input.Buf,
+			}, nil
+		}
+		options := runtime.MarshalInputToOptions(input)
+		_ = options
+		size := options.Size(x)
+		dAtA := make([]byte, size)
+		i := len(dAtA)
+		_ = i
+		var l int
+		_ = l
+		if x.unknownFields != nil {
+			i -= len(x.unknownFields)
+			copy(dAtA[i:], x.unknownFields)
+		}
+		if input.Buf != nil {
+			input.Buf = append(input.Buf, dAtA...)
+		} else {
+			input.Buf = dAtA
+		}
+		return protoiface.MarshalOutput{
+			NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+			Buf:               input.Buf,
+		}, nil
+	}
+	unmarshal := func(input protoiface.UnmarshalInput) (protoiface.UnmarshalOutput, error) {
+		x := input.Message.Interface().(*Module)
+		if x == nil {
+			return protoiface.UnmarshalOutput{
+				NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+				Flags:             input.Flags,
+			}, nil
+		}
+		options := runtime.UnmarshalInputToOptions(input)
+		_ = options
+		dAtA := input.Buf
+		l := len(dAtA)
+		iNdEx := 0
+		for iNdEx < l {
+			preIndex := iNdEx
+			var wire uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+				}
+				if iNdEx >= l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				wire |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			fieldNum := int32(wire >> 3)
+			wireType := int(wire & 0x7)
+			if wireType == 4 {
+				return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: Module: wiretype end group for non-group")
+			}
+			if fieldNum <= 0 {
+				return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: Module: illegal tag %d (wire type %d)", fieldNum, wire)
+			}
+			switch fieldNum {
+			default:
+				iNdEx = preIndex
+				skippy, err := runtime.Skip(dAtA[iNdEx:])
+				if err != nil {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, err
+				}
+				if (skippy < 0) || (iNdEx+skippy) < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if (iNdEx + skippy) > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				if !options.DiscardUnknown {
+					x.unknownFields = append(x.unknownFields, dAtA[iNdEx:iNdEx+skippy]...)
+				}
+				iNdEx += skippy
+			}
+		}
+
+		if iNdEx > l {
+			return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+		}
+		return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, nil
+	}
+	return &protoiface.Methods{
+		NoUnkeyedLiterals: struct{}{},
+		Flags:             protoiface.SupportMarshalDeterministic | protoiface.SupportUnmarshalDiscardUnknown,
+		Size:              size,
+		Marshal:           marshal,
+		Unmarshal:         unmarshal,
+		Merge:             nil,
+		CheckInitialized:  nil,
+	}
+}
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.0
+// 	protoc        (unknown)
+// source: cosmos/staking/module/v1/module.proto
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Module is the config object of the staking module.
+type Module struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *Module) Reset() {
+	*x = Module{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cosmos_staking_module_v1_module_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Module) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Module) ProtoMessage() {}
+
+// Deprecated: Use Module.ProtoReflect.Descriptor instead.
+func (*Module) Descriptor() ([]byte, []int) {
+	return file_cosmos_staking_module_v1_module_proto_rawDescGZIP(), []int{0}
+}
+
+var File_cosmos_staking_module_v1_module_proto protoreflect.FileDescriptor
+
+var file_cosmos_staking_module_v1_module_proto_rawDesc = []byte{
+	0x0a, 0x25, 0x63, 0x6f, 0x73, 0x6d, 0x6f, 0x73, 0x2f, 0x73, 0x74, 0x61, 0x6b, 0x69, 0x6e, 0x67,
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+	0x56, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_cosmos_staking_module_v1_module_proto_rawDescOnce sync.Once
+	file_cosmos_staking_module_v1_module_proto_rawDescData = file_cosmos_staking_module_v1_module_proto_rawDesc
+)
+
+func file_cosmos_staking_module_v1_module_proto_rawDescGZIP() []byte {
+	file_cosmos_staking_module_v1_module_proto_rawDescOnce.Do(func() {
+		file_cosmos_staking_module_v1_module_proto_rawDescData = protoimpl.X.CompressGZIP(file_cosmos_staking_module_v1_module_proto_rawDescData)
+	})
+	return file_cosmos_staking_module_v1_module_proto_rawDescData
+}
+
+var file_cosmos_staking_module_v1_module_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_cosmos_staking_module_v1_module_proto_goTypes = []interface{}{
+	(*Module)(nil), // 0: cosmos.staking.module.v1.Module
+}
+var file_cosmos_staking_module_v1_module_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_cosmos_staking_module_v1_module_proto_init() }
+func file_cosmos_staking_module_v1_module_proto_init() {
+	if File_cosmos_staking_module_v1_module_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_cosmos_staking_module_v1_module_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Module); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_cosmos_staking_module_v1_module_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_cosmos_staking_module_v1_module_proto_goTypes,
+		DependencyIndexes: file_cosmos_staking_module_v1_module_proto_depIdxs,
+		MessageInfos:      file_cosmos_staking_module_v1_module_proto_msgTypes,
+	}.Build()
+	File_cosmos_staking_module_v1_module_proto = out.File
+	file_cosmos_staking_module_v1_module_proto_rawDesc = nil
+	file_cosmos_staking_module_v1_module_proto_goTypes = nil
+	file_cosmos_staking_module_v1_module_proto_depIdxs = nil
+}

proto/cosmos/staking/module/v1/module.proto

@@ -0,0 +1,12 @@
+syntax = "proto3";
+
+package cosmos.staking.module.v1;
+
+import "cosmos/app/v1alpha1/module.proto";
+
+// Module is the config object of the staking module.
+message Module {
+  option (cosmos.app.v1alpha1.module) = {
+    go_import: "github.com/cosmos/cosmos-sdk/x/staking"
+  };
+}

simapp/app.go

@@ -170,7 +170,7 @@ type SimApp struct {
 	AccountKeeper    authkeeper.AccountKeeper
 	BankKeeper       bankkeeper.Keeper
 	CapabilityKeeper *capabilitykeeper.Keeper
-	StakingKeeper    stakingkeeper.Keeper
+	StakingKeeper    *stakingkeeper.Keeper
 	SlashingKeeper   slashingkeeper.Keeper
 	MintKeeper       mintkeeper.Keeper
 	DistrKeeper      distrkeeper.Keeper
@@ -224,6 +224,7 @@ func NewSimApp(
 		&app.AccountKeeper,
 		&app.BankKeeper,
 		&app.FeeGrantKeeper,
+		&app.StakingKeeper,
 	)
 	if err != nil {
 		panic(err)
@@ -232,7 +233,7 @@ func NewSimApp(
 	app.App = appBuilder.Build(logger, db, traceStore, baseAppOptions...)
 
 	app.keys = sdk.NewKVStoreKeys(
-		stakingtypes.StoreKey, minttypes.StoreKey, distrtypes.StoreKey,
+		minttypes.StoreKey, distrtypes.StoreKey,
 		slashingtypes.StoreKey, govtypes.StoreKey, upgradetypes.StoreKey,
 		evidencetypes.StoreKey, authzkeeper.StoreKey, nftkeeper.StoreKey,
 		group.StoreKey,
@@ -249,28 +250,22 @@ func NewSimApp(
 
 	initParamsKeeper(app.ParamsKeeper)
 
-	// add keepers
-	stakingKeeper := stakingkeeper.NewKeeper(
-		app.appCodec, app.keys[stakingtypes.StoreKey], app.AccountKeeper, app.BankKeeper, app.GetSubspace(stakingtypes.ModuleName),
-	)
 	app.MintKeeper = mintkeeper.NewKeeper(
-		app.appCodec, app.keys[minttypes.StoreKey], app.GetSubspace(minttypes.ModuleName), &stakingKeeper,
+		app.appCodec, app.keys[minttypes.StoreKey], app.GetSubspace(minttypes.ModuleName), app.StakingKeeper,
 		app.AccountKeeper, app.BankKeeper, authtypes.FeeCollectorName,
 	)
 	app.DistrKeeper = distrkeeper.NewKeeper(
 		app.appCodec, app.keys[distrtypes.StoreKey], app.GetSubspace(distrtypes.ModuleName), app.AccountKeeper, app.BankKeeper,
-		&stakingKeeper, authtypes.FeeCollectorName,
+		app.StakingKeeper, authtypes.FeeCollectorName,
 	)
 	app.SlashingKeeper = slashingkeeper.NewKeeper(
-		app.appCodec, app.keys[slashingtypes.StoreKey], &stakingKeeper, app.GetSubspace(slashingtypes.ModuleName),
+		app.appCodec, app.keys[slashingtypes.StoreKey], app.StakingKeeper, app.GetSubspace(slashingtypes.ModuleName),
 	)
 	app.CrisisKeeper = crisiskeeper.NewKeeper(
 		app.GetSubspace(crisistypes.ModuleName), invCheckPeriod, app.BankKeeper, authtypes.FeeCollectorName,
 	)
 
-	// register the staking hooks
-	// NOTE: stakingKeeper above is passed by reference, so that it will contain these hooks
-	app.StakingKeeper = *stakingKeeper.SetHooks(
+	app.StakingKeeper.SetHooks(
 		stakingtypes.NewMultiStakingHooks(app.DistrKeeper.Hooks(), app.SlashingKeeper.Hooks()),
 	)
 
@@ -296,7 +291,7 @@ func NewSimApp(
 	*/
 	govKeeper := govkeeper.NewKeeper(
 		app.appCodec, app.keys[govtypes.StoreKey], app.GetSubspace(govtypes.ModuleName), app.AccountKeeper, app.BankKeeper,
-		&stakingKeeper, govRouter, app.MsgServiceRouter(), govConfig,
+		app.StakingKeeper, govRouter, app.MsgServiceRouter(), govConfig,
 	)
 
 	app.GovKeeper = *govKeeper.SetHooks(
@@ -311,7 +306,7 @@ func NewSimApp(
 
 	// create evidence keeper with router
 	evidenceKeeper := evidencekeeper.NewKeeper(
-		app.appCodec, app.keys[evidencetypes.StoreKey], &app.StakingKeeper, app.SlashingKeeper,
+		app.appCodec, app.keys[evidencetypes.StoreKey], app.StakingKeeper, app.SlashingKeeper,
 	)
 	// If evidence needs to be handled for the app, set routes in router here and seal
 	app.EvidenceKeeper = *evidenceKeeper
@@ -335,7 +330,6 @@ func NewSimApp(
 		mint.NewAppModule(app.appCodec, app.MintKeeper, app.AccountKeeper, nil),
 		slashing.NewAppModule(app.appCodec, app.SlashingKeeper, app.AccountKeeper, app.BankKeeper, app.StakingKeeper),
 		distr.NewAppModule(app.appCodec, app.DistrKeeper, app.AccountKeeper, app.BankKeeper, app.StakingKeeper),
-		staking.NewAppModule(app.appCodec, app.StakingKeeper, app.AccountKeeper, app.BankKeeper),
 		upgrade.NewAppModule(app.UpgradeKeeper),
 		evidence.NewAppModule(app.EvidenceKeeper),
 		authzmodule.NewAppModule(app.appCodec, app.AuthzKeeper, app.AccountKeeper, app.BankKeeper, app.interfaceRegistry),
@@ -582,7 +576,6 @@ func GetMaccPerms() map[string][]string {
 
 // initParamsKeeper init params keeper and its subspaces
 func initParamsKeeper(paramsKeeper paramskeeper.Keeper) {
-	paramsKeeper.Subspace(stakingtypes.ModuleName)
 	paramsKeeper.Subspace(minttypes.ModuleName)
 	paramsKeeper.Subspace(distrtypes.ModuleName)
 	paramsKeeper.Subspace(slashingtypes.ModuleName)

simapp/app.yaml

@@ -59,3 +59,7 @@ modules:
     config:
       "@type": cosmos.capability.module.v1.Module
       seal_keeper: true
+      
+  - name: staking
+    config:
+      "@type": cosmos.staking.module.v1.Module

simapp/export.go

@@ -163,7 +163,7 @@ func (app *SimApp) prepForZeroHeightGenesis(ctx sdk.Context, jailAllowedAddrs []
 
 	// Iterate through validators by power descending, reset bond heights, and
 	// update bond intra-tx counters.
-	store := ctx.KVStore(app.keys[stakingtypes.StoreKey])
+	store := ctx.KVStore(app.GetKey(stakingtypes.StoreKey))
 	iter := sdk.KVStoreReversePrefixIterator(store, stakingtypes.ValidatorsKey)
 	counter := int16(0)
 

x/bank/module.go

@@ -231,8 +231,8 @@ type bankInputs struct {
 type bankOutputs struct {
 	depinject.Out
 
-	Keeper keeper.Keeper `key:"cosmos.bank.v1.Keeper"`
-	Module runtime.AppModuleWrapper
+	BankKeeper keeper.Keeper `key:"cosmos.bank.v1.Keeper"`
+	Module     runtime.AppModuleWrapper
 }
 
 func provideModule(in bankInputs) bankOutputs {
@@ -254,5 +254,5 @@ func provideModule(in bankInputs) bankOutputs {
 
 	bankKeeper := keeper.NewBaseKeeper(in.Cdc, in.Key, in.AccountKeeper, in.Subspace, blockedAddresses)
 	m := NewAppModule(in.Cdc, bankKeeper, in.AccountKeeper)
-	return bankOutputs{Keeper: bankKeeper, Module: runtime.WrapAppModule(m)}
+	return bankOutputs{BankKeeper: bankKeeper, Module: runtime.WrapAppModule(m)}
 }

x/distribution/module.go

@@ -89,13 +89,13 @@ type AppModule struct {
 	keeper        keeper.Keeper
 	accountKeeper types.AccountKeeper
 	bankKeeper    types.BankKeeper
-	stakingKeeper stakingkeeper.Keeper
+	stakingKeeper *stakingkeeper.Keeper
 }
 
 // NewAppModule creates a new AppModule object
 func NewAppModule(
 	cdc codec.Codec, keeper keeper.Keeper, accountKeeper types.AccountKeeper,
-	bankKeeper types.BankKeeper, stakingKeeper stakingkeeper.Keeper,
+	bankKeeper types.BankKeeper, stakingKeeper *stakingkeeper.Keeper,
 ) AppModule {
 	return AppModule{
 		AppModuleBasic: AppModuleBasic{cdc: cdc},

x/distribution/simulation/operations.go

@@ -24,10 +24,7 @@ const (
 )
 
 // WeightedOperations returns all the operations from the module with their respective weights
-func WeightedOperations(
-	appParams simtypes.AppParams, cdc codec.JSONCodec, ak types.AccountKeeper,
-	bk types.BankKeeper, k keeper.Keeper, sk stakingkeeper.Keeper,
-) simulation.WeightedOperations {
+func WeightedOperations(appParams simtypes.AppParams, cdc codec.JSONCodec, ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper, sk *stakingkeeper.Keeper) simulation.WeightedOperations {
 	var weightMsgSetWithdrawAddress int
 	appParams.GetOrGenerate(cdc, OpWeightMsgSetWithdrawAddress, &weightMsgSetWithdrawAddress, nil,
 		func(_ *rand.Rand) {
@@ -113,7 +110,7 @@ func SimulateMsgSetWithdrawAddress(ak types.AccountKeeper, bk types.BankKeeper,
 }
 
 // SimulateMsgWithdrawDelegatorReward generates a MsgWithdrawDelegatorReward with random values.
-func SimulateMsgWithdrawDelegatorReward(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper, sk stakingkeeper.Keeper) simtypes.Operation {
+func SimulateMsgWithdrawDelegatorReward(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper, sk *stakingkeeper.Keeper) simtypes.Operation {
 	return func(
 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
 	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
@@ -155,7 +152,7 @@ func SimulateMsgWithdrawDelegatorReward(ak types.AccountKeeper, bk types.BankKee
 }
 
 // SimulateMsgWithdrawValidatorCommission generates a MsgWithdrawValidatorCommission with random values.
-func SimulateMsgWithdrawValidatorCommission(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper, sk stakingkeeper.Keeper) simtypes.Operation {
+func SimulateMsgWithdrawValidatorCommission(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper, sk *stakingkeeper.Keeper) simtypes.Operation {
 	return func(
 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
 	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
@@ -200,7 +197,7 @@ func SimulateMsgWithdrawValidatorCommission(ak types.AccountKeeper, bk types.Ban
 
 // SimulateMsgFundCommunityPool simulates MsgFundCommunityPool execution where
 // a random account sends a random amount of its funds to the community pool.
-func SimulateMsgFundCommunityPool(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper, sk stakingkeeper.Keeper) simtypes.Operation {
+func SimulateMsgFundCommunityPool(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper, sk *stakingkeeper.Keeper) simtypes.Operation {
 	return func(
 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
 	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {

x/slashing/module.go

@@ -91,11 +91,11 @@ type AppModule struct {
 	keeper        keeper.Keeper
 	accountKeeper types.AccountKeeper
 	bankKeeper    types.BankKeeper
-	stakingKeeper stakingkeeper.Keeper
+	stakingKeeper *stakingkeeper.Keeper
 }
 
 // NewAppModule creates a new AppModule object
-func NewAppModule(cdc codec.Codec, keeper keeper.Keeper, ak types.AccountKeeper, bk types.BankKeeper, sk stakingkeeper.Keeper) AppModule {
+func NewAppModule(cdc codec.Codec, keeper keeper.Keeper, ak types.AccountKeeper, bk types.BankKeeper, sk *stakingkeeper.Keeper) AppModule {
 	return AppModule{
 		AppModuleBasic: AppModuleBasic{cdc: cdc},
 		keeper:         keeper,

x/slashing/simulation/operations.go

@@ -24,7 +24,7 @@ const (
 // WeightedOperations returns all the operations from the module with their respective weights
 func WeightedOperations(
 	appParams simtypes.AppParams, cdc codec.JSONCodec, ak types.AccountKeeper,
-	bk types.BankKeeper, k keeper.Keeper, sk stakingkeeper.Keeper,
+	bk types.BankKeeper, k keeper.Keeper, sk *stakingkeeper.Keeper,
 ) simulation.WeightedOperations {
 	var weightMsgUnjail int
 	appParams.GetOrGenerate(cdc, OpWeightMsgUnjail, &weightMsgUnjail, nil,
@@ -42,7 +42,7 @@ func WeightedOperations(
 }
 
 // SimulateMsgUnjail generates a MsgUnjail with random values
-func SimulateMsgUnjail(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper, sk stakingkeeper.Keeper) simtypes.Operation {
+func SimulateMsgUnjail(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper, sk *stakingkeeper.Keeper) simtypes.Operation {
 	return func(
 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context,
 		accs []simtypes.Account, chainID string,

x/staking/abci.go

@@ -13,14 +13,14 @@ import (
 
 // BeginBlocker will persist the current header and validator set as a historical entry
 // and prune the oldest entry based on the HistoricalEntries parameter
-func BeginBlocker(ctx sdk.Context, k keeper.Keeper) {
+func BeginBlocker(ctx sdk.Context, k *keeper.Keeper) {
 	defer telemetry.ModuleMeasureSince(types.ModuleName, time.Now(), telemetry.MetricKeyBeginBlocker)
 
 	k.TrackHistoricalInfo(ctx)
 }
 
 // Called every block, update validator set
-func EndBlocker(ctx sdk.Context, k keeper.Keeper) []abci.ValidatorUpdate {
+func EndBlocker(ctx sdk.Context, k *keeper.Keeper) []abci.ValidatorUpdate {
 	defer telemetry.ModuleMeasureSince(types.ModuleName, time.Now(), telemetry.MetricKeyEndBlocker)
 
 	return k.BlockValidatorUpdates(ctx)

x/staking/genesis.go

@@ -12,7 +12,7 @@ import (
 )
 
 // WriteValidators returns a slice of bonded genesis validators.
-func WriteValidators(ctx sdk.Context, keeper keeper.Keeper) (vals []tmtypes.GenesisValidator, err error) {
+func WriteValidators(ctx sdk.Context, keeper *keeper.Keeper) (vals []tmtypes.GenesisValidator, err error) {
 	keeper.IterateLastValidators(ctx, func(_ int64, validator types.ValidatorI) (stop bool) {
 		pk, err := validator.ConsPubKey()
 		if err != nil {

x/staking/keeper/grpc_query.go

@@ -15,7 +15,7 @@ import (
 
 // Querier is used as Keeper will have duplicate methods if used directly, and gRPC names take precedence over keeper
 type Querier struct {
-	Keeper
+	*Keeper
 }
 
 var _ types.QueryServer = Querier{}

x/staking/keeper/invariants.go

@@ -9,7 +9,7 @@ import (
 )
 
 // RegisterInvariants registers all staking invariants
-func RegisterInvariants(ir sdk.InvariantRegistry, k Keeper) {
+func RegisterInvariants(ir sdk.InvariantRegistry, k *Keeper) {
 	ir.RegisterRoute(types.ModuleName, "module-accounts",
 		ModuleAccountInvariants(k))
 	ir.RegisterRoute(types.ModuleName, "nonnegative-power",
@@ -21,7 +21,7 @@ func RegisterInvariants(ir sdk.InvariantRegistry, k Keeper) {
 }
 
 // AllInvariants runs all invariants of the staking module.
-func AllInvariants(k Keeper) sdk.Invariant {
+func AllInvariants(k *Keeper) sdk.Invariant {
 	return func(ctx sdk.Context) (string, bool) {
 		res, stop := ModuleAccountInvariants(k)(ctx)
 		if stop {
@@ -44,7 +44,7 @@ func AllInvariants(k Keeper) sdk.Invariant {
 
 // ModuleAccountInvariants checks that the bonded and notBonded ModuleAccounts pools
 // reflects the tokens actively bonded and not bonded
-func ModuleAccountInvariants(k Keeper) sdk.Invariant {
+func ModuleAccountInvariants(k *Keeper) sdk.Invariant {
 	return func(ctx sdk.Context) (string, bool) {
 		bonded := sdk.ZeroInt()
 		notBonded := sdk.ZeroInt()
@@ -91,7 +91,7 @@ func ModuleAccountInvariants(k Keeper) sdk.Invariant {
 }
 
 // NonNegativePowerInvariant checks that all stored validators have >= 0 power.
-func NonNegativePowerInvariant(k Keeper) sdk.Invariant {
+func NonNegativePowerInvariant(k *Keeper) sdk.Invariant {
 	return func(ctx sdk.Context) (string, bool) {
 		var (
 			msg    string
@@ -126,7 +126,7 @@ func NonNegativePowerInvariant(k Keeper) sdk.Invariant {
 }
 
 // PositiveDelegationInvariant checks that all stored delegations have > 0 shares.
-func PositiveDelegationInvariant(k Keeper) sdk.Invariant {
+func PositiveDelegationInvariant(k *Keeper) sdk.Invariant {
 	return func(ctx sdk.Context) (string, bool) {
 		var (
 			msg   string
@@ -156,7 +156,7 @@ func PositiveDelegationInvariant(k Keeper) sdk.Invariant {
 // DelegatorSharesInvariant checks whether all the delegator shares which persist
 // in the delegator object add up to the correct total delegator shares
 // amount stored in each validator.
-func DelegatorSharesInvariant(k Keeper) sdk.Invariant {
+func DelegatorSharesInvariant(k *Keeper) sdk.Invariant {
 	return func(ctx sdk.Context) (string, bool) {
 		var (
 			msg    string

x/staking/keeper/keeper.go

@@ -32,7 +32,7 @@ type Keeper struct {
 func NewKeeper(
 	cdc codec.BinaryCodec, key storetypes.StoreKey, ak types.AccountKeeper, bk types.BankKeeper,
 	ps paramtypes.Subspace,
-) Keeper {
+) *Keeper {
 	// set KeyTable if it has not already been set
 	if !ps.HasKeyTable() {
 		ps = ps.WithKeyTable(types.ParamKeyTable())
@@ -47,7 +47,7 @@ func NewKeeper(
 		panic(fmt.Sprintf("%s module account has not been set", types.NotBondedPoolName))
 	}
 
-	return Keeper{
+	return &Keeper{
 		storeKey:   key,
 		cdc:        cdc,
 		authKeeper: ak,
@@ -63,14 +63,12 @@ func (k Keeper) Logger(ctx sdk.Context) log.Logger {
 }
 
 // Set the validator hooks
-func (k *Keeper) SetHooks(sh types.StakingHooks) *Keeper {
+func (k *Keeper) SetHooks(sh types.StakingHooks) {
 	if k.hooks != nil {
 		panic("cannot set validator hooks twice")
 	}
 
 	k.hooks = sh
-
-	return k
 }
 
 // Load the last total validator power.

x/staking/keeper/migrations.go

@@ -8,11 +8,11 @@ import (
 
 // Migrator is a struct for handling in-place store migrations.
 type Migrator struct {
-	keeper Keeper
+	keeper *Keeper
 }
 
 // NewMigrator returns a new Migrator.
-func NewMigrator(keeper Keeper) Migrator {
+func NewMigrator(keeper *Keeper) Migrator {
 	return Migrator{
 		keeper: keeper,
 	}

x/staking/keeper/msg_server.go

@@ -19,12 +19,12 @@ import (
 )
 
 type msgServer struct {
-	Keeper
+	*Keeper
 }
 
 // NewMsgServerImpl returns an implementation of the bank MsgServer interface
 // for the provided Keeper.
-func NewMsgServerImpl(keeper Keeper) types.MsgServer {
+func NewMsgServerImpl(keeper *Keeper) types.MsgServer {
 	return &msgServer{Keeper: keeper}
 }
 

x/staking/keeper/querier.go

@@ -14,7 +14,7 @@ import (
 )
 
 // creates a querier for staking REST endpoints
-func NewQuerier(k Keeper, legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
+func NewQuerier(k *Keeper, legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
 	return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, error) {
 		switch path[0] {
 		case types.QueryValidators:
@@ -65,7 +65,7 @@ func NewQuerier(k Keeper, legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
 	}
 }
 
-func queryValidators(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryValidators(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryValidatorsParams
 
 	err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params)
@@ -97,7 +97,7 @@ func queryValidators(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQue
 	return res, nil
 }
 
-func queryValidator(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryValidator(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryValidatorParams
 
 	err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params)
@@ -118,7 +118,7 @@ func queryValidator(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuer
 	return res, nil
 }
 
-func queryValidatorDelegations(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryValidatorDelegations(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryValidatorParams
 
 	err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params)
@@ -152,7 +152,7 @@ func queryValidatorDelegations(ctx sdk.Context, req abci.RequestQuery, k Keeper,
 	return res, nil
 }
 
-func queryValidatorUnbondingDelegations(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryValidatorUnbondingDelegations(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryValidatorParams
 
 	err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params)
@@ -180,7 +180,7 @@ func queryValidatorUnbondingDelegations(ctx sdk.Context, req abci.RequestQuery,
 	return res, nil
 }
 
-func queryDelegatorDelegations(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryDelegatorDelegations(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryDelegatorParams
 
 	err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params)
@@ -206,7 +206,7 @@ func queryDelegatorDelegations(ctx sdk.Context, req abci.RequestQuery, k Keeper,
 	return res, nil
 }
 
-func queryDelegatorUnbondingDelegations(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryDelegatorUnbondingDelegations(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryDelegatorParams
 
 	err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params)
@@ -227,7 +227,7 @@ func queryDelegatorUnbondingDelegations(ctx sdk.Context, req abci.RequestQuery,
 	return res, nil
 }
 
-func queryDelegatorValidators(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryDelegatorValidators(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryDelegatorParams
 
 	stakingParams := k.GetParams(ctx)
@@ -250,7 +250,7 @@ func queryDelegatorValidators(ctx sdk.Context, req abci.RequestQuery, k Keeper,
 	return res, nil
 }
 
-func queryDelegatorValidator(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryDelegatorValidator(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryDelegatorValidatorRequest
 
 	err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params)
@@ -281,7 +281,7 @@ func queryDelegatorValidator(ctx sdk.Context, req abci.RequestQuery, k Keeper, l
 	return res, nil
 }
 
-func queryDelegation(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryDelegation(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryDelegatorValidatorRequest
 
 	err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params)
@@ -317,7 +317,7 @@ func queryDelegation(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQue
 	return res, nil
 }
 
-func queryUnbondingDelegation(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryUnbondingDelegation(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryDelegatorValidatorRequest
 
 	err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params)
@@ -348,7 +348,7 @@ func queryUnbondingDelegation(ctx sdk.Context, req abci.RequestQuery, k Keeper,
 	return res, nil
 }
 
-func queryRedelegations(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryRedelegations(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryRedelegationParams
 
 	err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params)
@@ -389,7 +389,7 @@ func queryRedelegations(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacy
 	return res, nil
 }
 
-func queryHistoricalInfo(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryHistoricalInfo(ctx sdk.Context, req abci.RequestQuery, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	var params types.QueryHistoricalInfoRequest
 
 	err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params)
@@ -410,7 +410,7 @@ func queryHistoricalInfo(ctx sdk.Context, req abci.RequestQuery, k Keeper, legac
 	return res, nil
 }
 
-func queryPool(ctx sdk.Context, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryPool(ctx sdk.Context, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	bondDenom := k.BondDenom(ctx)
 	bondedPool := k.GetBondedPool(ctx)
 	notBondedPool := k.GetNotBondedPool(ctx)
@@ -432,7 +432,7 @@ func queryPool(ctx sdk.Context, k Keeper, legacyQuerierCdc *codec.LegacyAmino) (
 	return res, nil
 }
 
-func queryParameters(ctx sdk.Context, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
+func queryParameters(ctx sdk.Context, k *Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
 	params := k.GetParams(ctx)
 
 	res, err := codec.MarshalJSONIndent(legacyQuerierCdc, params)
@@ -445,7 +445,7 @@ func queryParameters(ctx sdk.Context, k Keeper, legacyQuerierCdc *codec.LegacyAm
 
 // util
 
-func DelegationToDelegationResponse(ctx sdk.Context, k Keeper, del types.Delegation) (types.DelegationResponse, error) {
+func DelegationToDelegationResponse(ctx sdk.Context, k *Keeper, del types.Delegation) (types.DelegationResponse, error) {
 	val, found := k.GetValidator(ctx, del.GetValidatorAddr())
 	if !found {
 		return types.DelegationResponse{}, types.ErrNoValidatorFound
@@ -464,9 +464,7 @@ func DelegationToDelegationResponse(ctx sdk.Context, k Keeper, del types.Delegat
 	), nil
 }
 
-func DelegationsToDelegationResponses(
-	ctx sdk.Context, k Keeper, delegations types.Delegations,
-) (types.DelegationResponses, error) {
+func DelegationsToDelegationResponses(ctx sdk.Context, k *Keeper, delegations types.Delegations) (types.DelegationResponses, error) {
 	resp := make(types.DelegationResponses, len(delegations))
 
 	for i, del := range delegations {
@@ -481,9 +479,7 @@ func DelegationsToDelegationResponses(
 	return resp, nil
 }
 
-func RedelegationsToRedelegationResponses(
-	ctx sdk.Context, k Keeper, redels types.Redelegations,
-) (types.RedelegationResponses, error) {
+func RedelegationsToRedelegationResponses(ctx sdk.Context, k *Keeper, redels types.Redelegations) (types.RedelegationResponses, error) {
 	resp := make(types.RedelegationResponses, len(redels))
 
 	for i, redel := range redels {

x/staking/keeper/test_common.go

@@ -9,13 +9,13 @@ import (
 )
 
 // does a certain by-power index record exist
-func ValidatorByPowerIndexExists(ctx sdk.Context, keeper Keeper, power []byte) bool {
+func ValidatorByPowerIndexExists(ctx sdk.Context, keeper *Keeper, power []byte) bool {
 	store := ctx.KVStore(keeper.storeKey)
 	return store.Has(power)
 }
 
 // update validator for testing
-func TestingUpdateValidator(keeper Keeper, ctx sdk.Context, validator types.Validator, apply bool) types.Validator {
+func TestingUpdateValidator(keeper *Keeper, ctx sdk.Context, validator types.Validator, apply bool) types.Validator {
 	keeper.SetValidator(ctx, validator)
 
 	// Remove any existing power key for validator.
@@ -57,7 +57,7 @@ func TestingUpdateValidator(keeper Keeper, ctx sdk.Context, validator types.Vali
 }
 
 // RandomValidator returns a random validator given access to the keeper and ctx
-func RandomValidator(r *rand.Rand, keeper Keeper, ctx sdk.Context) (val types.Validator, ok bool) {
+func RandomValidator(r *rand.Rand, keeper *Keeper, ctx sdk.Context) (val types.Validator, ok bool) {
 	vals := keeper.GetAllValidators(ctx)
 	if len(vals) == 0 {
 		return types.Validator{}, false

x/staking/keeper/validator_test.go

@@ -1113,7 +1113,7 @@ func TestUpdateValidatorCommission(t *testing.T) {
 	}
 }
 
-func applyValidatorSetUpdates(t *testing.T, ctx sdk.Context, k keeper.Keeper, expectedUpdatesLen int) []abci.ValidatorUpdate {
+func applyValidatorSetUpdates(t *testing.T, ctx sdk.Context, k *keeper.Keeper, expectedUpdatesLen int) []abci.ValidatorUpdate {
 	updates, err := k.ApplyAndReturnValidatorSetUpdates(ctx)
 	require.NoError(t, err)
 	if expectedUpdatesLen >= 0 {

x/staking/module.go

@@ -6,7 +6,14 @@ import (
 	"fmt"
 	"math/rand"
 
-	"github.com/grpc-ecosystem/grpc-gateway/runtime"
+	modulev1 "cosmossdk.io/api/cosmos/staking/module/v1"
+	"cosmossdk.io/core/appmodule"
+	"github.com/cosmos/cosmos-sdk/depinject"
+	"github.com/cosmos/cosmos-sdk/runtime"
+	store "github.com/cosmos/cosmos-sdk/store/types"
+	paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
+	gwruntime "github.com/grpc-ecosystem/grpc-gateway/runtime"
+
 	"github.com/spf13/cobra"
 	abci "github.com/tendermint/tendermint/abci/types"
 
@@ -71,7 +78,7 @@ func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, config client.TxEncod
 }
 
 // RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the staking module.
-func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
+func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *gwruntime.ServeMux) {
 	if err := types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx)); err != nil {
 		panic(err)
 	}
@@ -91,13 +98,13 @@ func (AppModuleBasic) GetQueryCmd() *cobra.Command {
 type AppModule struct {
 	AppModuleBasic
 
-	keeper        keeper.Keeper
+	keeper        *keeper.Keeper
 	accountKeeper types.AccountKeeper
 	bankKeeper    types.BankKeeper
 }
 
 // NewAppModule creates a new AppModule object
-func NewAppModule(cdc codec.Codec, keeper keeper.Keeper, ak types.AccountKeeper, bk types.BankKeeper) AppModule {
+func NewAppModule(cdc codec.Codec, keeper *keeper.Keeper, ak types.AccountKeeper, bk types.BankKeeper) AppModule {
 	return AppModule{
 		AppModuleBasic: AppModuleBasic{cdc: cdc},
 		keeper:         keeper,
@@ -172,6 +179,45 @@ func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.Val
 	return EndBlocker(ctx, am.keeper)
 }
 
+func init() {
+	appmodule.Register(
+		&modulev1.Module{},
+		appmodule.Provide(
+			provideModuleBasic,
+			provideModule,
+		),
+	)
+}
+
+func provideModuleBasic() runtime.AppModuleBasicWrapper {
+	return runtime.WrapAppModuleBasic(AppModuleBasic{})
+}
+
+type stakingInputs struct {
+	depinject.In
+
+	Config        *modulev1.Module
+	AccountKeeper types.AccountKeeper `key:"cosmos.auth.v1.AccountKeeper"`
+	BankKeeper    types.BankKeeper    `key:"cosmos.bank.v1.Keeper"`
+	Cdc           codec.Codec
+	Subspace      paramstypes.Subspace
+	Key           *store.KVStoreKey
+}
+
+// Dependency Injection Outputs
+type stakingOutputs struct {
+	depinject.Out
+
+	StakingKeeper *keeper.Keeper `key:"cosmos.staking.v1.Keeper"`
+	Module        runtime.AppModuleWrapper
+}
+
+func provideModule(in stakingInputs) stakingOutputs {
+	k := keeper.NewKeeper(in.Cdc, in.Key, in.AccountKeeper, in.BankKeeper, in.Subspace)
+	m := NewAppModule(in.Cdc, k, in.AccountKeeper, in.BankKeeper)
+	return stakingOutputs{StakingKeeper: k, Module: runtime.WrapAppModule(m)}
+}
+
 // AppModuleSimulation functions
 
 // GenerateGenesisState creates a randomized GenState of the staking module.

x/staking/simulation/operations.go

@@ -27,7 +27,7 @@ const (
 // WeightedOperations returns all the operations from the module with their respective weights
 func WeightedOperations(
 	appParams simtypes.AppParams, cdc codec.JSONCodec, ak types.AccountKeeper,
-	bk types.BankKeeper, k keeper.Keeper,
+	bk types.BankKeeper, k *keeper.Keeper,
 ) simulation.WeightedOperations {
 	var (
 		weightMsgCreateValidator           int
@@ -103,7 +103,7 @@ func WeightedOperations(
 }
 
 // SimulateMsgCreateValidator generates a MsgCreateValidator with random values
-func SimulateMsgCreateValidator(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper) simtypes.Operation {
+func SimulateMsgCreateValidator(ak types.AccountKeeper, bk types.BankKeeper, k *keeper.Keeper) simtypes.Operation {
 	return func(
 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
 	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
@@ -180,7 +180,7 @@ func SimulateMsgCreateValidator(ak types.AccountKeeper, bk types.BankKeeper, k k
 }
 
 // SimulateMsgEditValidator generates a MsgEditValidator with random values
-func SimulateMsgEditValidator(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper) simtypes.Operation {
+func SimulateMsgEditValidator(ak types.AccountKeeper, bk types.BankKeeper, k *keeper.Keeper) simtypes.Operation {
 	return func(
 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
 	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
@@ -240,7 +240,7 @@ func SimulateMsgEditValidator(ak types.AccountKeeper, bk types.BankKeeper, k kee
 }
 
 // SimulateMsgDelegate generates a MsgDelegate with random values
-func SimulateMsgDelegate(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper) simtypes.Operation {
+func SimulateMsgDelegate(ak types.AccountKeeper, bk types.BankKeeper, k *keeper.Keeper) simtypes.Operation {
 	return func(
 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
 	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
@@ -304,7 +304,7 @@ func SimulateMsgDelegate(ak types.AccountKeeper, bk types.BankKeeper, k keeper.K
 }
 
 // SimulateMsgUndelegate generates a MsgUndelegate with random values
-func SimulateMsgUndelegate(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper) simtypes.Operation {
+func SimulateMsgUndelegate(ak types.AccountKeeper, bk types.BankKeeper, k *keeper.Keeper) simtypes.Operation {
 	return func(
 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
 	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
@@ -383,7 +383,7 @@ func SimulateMsgUndelegate(ak types.AccountKeeper, bk types.BankKeeper, k keeper
 }
 
 // SimulateMsgCancelUnbondingDelegate generates a MsgCancelUnbondingDelegate with random values
-func SimulateMsgCancelUnbondingDelegate(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper) simtypes.Operation {
+func SimulateMsgCancelUnbondingDelegate(ak types.AccountKeeper, bk types.BankKeeper, k *keeper.Keeper) simtypes.Operation {
 	return func(
 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
 	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
@@ -451,7 +451,7 @@ func SimulateMsgCancelUnbondingDelegate(ak types.AccountKeeper, bk types.BankKee
 }
 
 // SimulateMsgBeginRedelegate generates a MsgBeginRedelegate with random values
-func SimulateMsgBeginRedelegate(ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper) simtypes.Operation {
+func SimulateMsgBeginRedelegate(ak types.AccountKeeper, bk types.BankKeeper, k *keeper.Keeper) simtypes.Operation {
 	return func(
 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
 	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {

x/staking/teststaking/helper.go

@@ -19,7 +19,7 @@ import (
 type Helper struct {
 	t       *testing.T
 	msgSrvr stakingtypes.MsgServer
-	k       keeper.Keeper
+	k       *keeper.Keeper
 
 	Ctx        sdk.Context
 	Commission stakingtypes.CommissionRates
@@ -28,7 +28,7 @@ type Helper struct {
 }
 
 // NewHelper creates a new instance of Helper.
-func NewHelper(t *testing.T, ctx sdk.Context, k keeper.Keeper) *Helper {
+func NewHelper(t *testing.T, ctx sdk.Context, k *keeper.Keeper) *Helper {
 	return &Helper{t, keeper.NewMsgServerImpl(k), k, ctx, ZeroCommission(), sdk.DefaultBondDenom}
 }