Add a method to update bond module params

api/cerc/bond/module/v1/module.pulsar.go

@@ -15,11 +15,13 @@ import (
 
 var (
 	md_Module           protoreflect.MessageDescriptor
+	fd_Module_authority protoreflect.FieldDescriptor
 )
 
 func init() {
 	file_cerc_bond_module_v1_module_proto_init()
 	md_Module = File_cerc_bond_module_v1_module_proto.Messages().ByName("Module")
+	fd_Module_authority = md_Module.Fields().ByName("authority")
 }
 
 var _ protoreflect.Message = (*fastReflection_Module)(nil)
@@ -87,6 +89,12 @@ func (x *fastReflection_Module) Interface() protoreflect.ProtoMessage {
 // 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) {
+	if x.Authority != "" {
+		value := protoreflect.ValueOfString(x.Authority)
+		if !f(fd_Module_authority, value) {
+			return
+		}
+	}
 }
 
 // Has reports whether a field is populated.
@@ -102,6 +110,8 @@ func (x *fastReflection_Module) Range(f func(protoreflect.FieldDescriptor, proto
 // a repeated field is populated if it is non-empty.
 func (x *fastReflection_Module) Has(fd protoreflect.FieldDescriptor) bool {
 	switch fd.FullName() {
+	case "cerc.bond.module.v1.Module.authority":
+		return x.Authority != ""
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.bond.module.v1.Module"))
@@ -118,6 +128,8 @@ func (x *fastReflection_Module) Has(fd protoreflect.FieldDescriptor) bool {
 // Clear is a mutating operation and unsafe for concurrent use.
 func (x *fastReflection_Module) Clear(fd protoreflect.FieldDescriptor) {
 	switch fd.FullName() {
+	case "cerc.bond.module.v1.Module.authority":
+		x.Authority = ""
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.bond.module.v1.Module"))
@@ -134,6 +146,9 @@ func (x *fastReflection_Module) Clear(fd protoreflect.FieldDescriptor) {
 // of the value; to obtain a mutable reference, use Mutable.
 func (x *fastReflection_Module) Get(descriptor protoreflect.FieldDescriptor) protoreflect.Value {
 	switch descriptor.FullName() {
+	case "cerc.bond.module.v1.Module.authority":
+		value := x.Authority
+		return protoreflect.ValueOfString(value)
 	default:
 		if descriptor.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.bond.module.v1.Module"))
@@ -154,6 +169,8 @@ func (x *fastReflection_Module) Get(descriptor protoreflect.FieldDescriptor) pro
 // Set is a mutating operation and unsafe for concurrent use.
 func (x *fastReflection_Module) Set(fd protoreflect.FieldDescriptor, value protoreflect.Value) {
 	switch fd.FullName() {
+	case "cerc.bond.module.v1.Module.authority":
+		x.Authority = value.Interface().(string)
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.bond.module.v1.Module"))
@@ -174,6 +191,8 @@ func (x *fastReflection_Module) Set(fd protoreflect.FieldDescriptor, value proto
 // Mutable is a mutating operation and unsafe for concurrent use.
 func (x *fastReflection_Module) Mutable(fd protoreflect.FieldDescriptor) protoreflect.Value {
 	switch fd.FullName() {
+	case "cerc.bond.module.v1.Module.authority":
+		panic(fmt.Errorf("field authority of message cerc.bond.module.v1.Module is not mutable"))
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.bond.module.v1.Module"))
@@ -187,6 +206,8 @@ func (x *fastReflection_Module) Mutable(fd protoreflect.FieldDescriptor) protore
 // 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() {
+	case "cerc.bond.module.v1.Module.authority":
+		return protoreflect.ValueOfString("")
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.bond.module.v1.Module"))
@@ -256,6 +277,10 @@ func (x *fastReflection_Module) ProtoMethods() *protoiface.Methods {
 		var n int
 		var l int
 		_ = l
+		l = len(x.Authority)
+		if l > 0 {
+			n += 1 + l + runtime.Sov(uint64(l))
+		}
 		if x.unknownFields != nil {
 			n += len(x.unknownFields)
 		}
@@ -285,6 +310,13 @@ func (x *fastReflection_Module) ProtoMethods() *protoiface.Methods {
 			i -= len(x.unknownFields)
 			copy(dAtA[i:], x.unknownFields)
 		}
+		if len(x.Authority) > 0 {
+			i -= len(x.Authority)
+			copy(dAtA[i:], x.Authority)
+			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.Authority)))
+			i--
+			dAtA[i] = 0x12
+		}
 		if input.Buf != nil {
 			input.Buf = append(input.Buf, dAtA...)
 		} else {
@@ -334,6 +366,38 @@ func (x *fastReflection_Module) ProtoMethods() *protoiface.Methods {
 				return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: Module: illegal tag %d (wire type %d)", fieldNum, wire)
 			}
 			switch fieldNum {
+			case 2:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field Authority", wireType)
+				}
+				var stringLen 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++
+					stringLen |= uint64(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLen := int(stringLen)
+				if intStringLen < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				postIndex := iNdEx + intStringLen
+				if postIndex < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if postIndex > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				x.Authority = string(dAtA[iNdEx:postIndex])
+				iNdEx = postIndex
 			default:
 				iNdEx = preIndex
 				skippy, err := runtime.Skip(dAtA[iNdEx:])
@@ -388,6 +452,10 @@ type Module struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
+
+	// authority defines the custom module authority. If not set, defaults to the
+	// governance module.
+	Authority string `protobuf:"bytes,2,opt,name=authority,proto3" json:"authority,omitempty"`
 }
 
 func (x *Module) Reset() {
@@ -410,6 +478,13 @@ func (*Module) Descriptor() ([]byte, []int) {
 	return file_cerc_bond_module_v1_module_proto_rawDescGZIP(), []int{0}
 }
 
+func (x *Module) GetAuthority() string {
+	if x != nil {
+		return x.Authority
+	}
+	return ""
+}
+
 var File_cerc_bond_module_v1_module_proto protoreflect.FileDescriptor
 
 var file_cerc_bond_module_v1_module_proto_rawDesc = []byte{
@@ -418,24 +493,26 @@ var file_cerc_bond_module_v1_module_proto_rawDesc = []byte{
 	0x74, 0x6f, 0x12, 0x13, 0x63, 0x65, 0x72, 0x63, 0x2e, 0x62, 0x6f, 0x6e, 0x64, 0x2e, 0x6d, 0x6f,
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+	0x3a, 0x56, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

api/cerc/bond/v1/tx_grpc.pb.go

@@ -23,6 +23,7 @@ const (
 	Msg_RefillBond_FullMethodName   = "/cerc.bond.v1.Msg/RefillBond"
 	Msg_WithdrawBond_FullMethodName = "/cerc.bond.v1.Msg/WithdrawBond"
 	Msg_CancelBond_FullMethodName   = "/cerc.bond.v1.Msg/CancelBond"
+	Msg_UpdateParams_FullMethodName = "/cerc.bond.v1.Msg/UpdateParams"
 )
 
 // MsgClient is the client API for Msg service.
@@ -37,6 +38,9 @@ type MsgClient interface {
 	WithdrawBond(ctx context.Context, in *MsgWithdrawBond, opts ...grpc.CallOption) (*MsgWithdrawBondResponse, error)
 	// CancelBond defines a method for cancelling a bond.
 	CancelBond(ctx context.Context, in *MsgCancelBond, opts ...grpc.CallOption) (*MsgCancelBondResponse, error)
+	// UpdateParams defines an operation for updating the x/staking module
+	// parameters.
+	UpdateParams(ctx context.Context, in *MsgUpdateParams, opts ...grpc.CallOption) (*MsgUpdateParamsResponse, error)
 }
 
 type msgClient struct {
@@ -83,6 +87,15 @@ func (c *msgClient) CancelBond(ctx context.Context, in *MsgCancelBond, opts ...g
 	return out, nil
 }
 
+func (c *msgClient) UpdateParams(ctx context.Context, in *MsgUpdateParams, opts ...grpc.CallOption) (*MsgUpdateParamsResponse, error) {
+	out := new(MsgUpdateParamsResponse)
+	err := c.cc.Invoke(ctx, Msg_UpdateParams_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // MsgServer is the server API for Msg service.
 // All implementations must embed UnimplementedMsgServer
 // for forward compatibility
@@ -95,6 +108,9 @@ type MsgServer interface {
 	WithdrawBond(context.Context, *MsgWithdrawBond) (*MsgWithdrawBondResponse, error)
 	// CancelBond defines a method for cancelling a bond.
 	CancelBond(context.Context, *MsgCancelBond) (*MsgCancelBondResponse, error)
+	// UpdateParams defines an operation for updating the x/staking module
+	// parameters.
+	UpdateParams(context.Context, *MsgUpdateParams) (*MsgUpdateParamsResponse, error)
 	mustEmbedUnimplementedMsgServer()
 }
 
@@ -114,6 +130,9 @@ func (UnimplementedMsgServer) WithdrawBond(context.Context, *MsgWithdrawBond) (*
 func (UnimplementedMsgServer) CancelBond(context.Context, *MsgCancelBond) (*MsgCancelBondResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method CancelBond not implemented")
 }
+func (UnimplementedMsgServer) UpdateParams(context.Context, *MsgUpdateParams) (*MsgUpdateParamsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateParams not implemented")
+}
 func (UnimplementedMsgServer) mustEmbedUnimplementedMsgServer() {}
 
 // UnsafeMsgServer may be embedded to opt out of forward compatibility for this service.
@@ -199,6 +218,24 @@ func _Msg_CancelBond_Handler(srv interface{}, ctx context.Context, dec func(inte
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Msg_UpdateParams_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MsgUpdateParams)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MsgServer).UpdateParams(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Msg_UpdateParams_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MsgServer).UpdateParams(ctx, req.(*MsgUpdateParams))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // Msg_ServiceDesc is the grpc.ServiceDesc for Msg service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -222,6 +259,10 @@ var Msg_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "CancelBond",
 			Handler:    _Msg_CancelBond_Handler,
 		},
+		{
+			MethodName: "UpdateParams",
+			Handler:    _Msg_UpdateParams_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "cerc/bond/v1/tx.proto",

proto/cerc/bond/module/v1/module.proto

@@ -10,4 +10,8 @@ message Module {
   option (cosmos.app.v1alpha1.module) = {
     go_import : "git.vdb.to/cerc-io/laconicd/x/bond"
   };
+
+  // authority defines the custom module authority. If not set, defaults to the
+  // governance module.
+  string authority = 2;
 }

proto/cerc/bond/v1/tx.proto

@@ -6,6 +6,8 @@ import "cosmos/msg/v1/msg.proto";
 import "gogoproto/gogo.proto";
 import "google/api/annotations.proto";
 import "cosmos/base/v1beta1/coin.proto";
+import "cosmos_proto/cosmos.proto";
+import "cerc/bond/v1/bond.proto";
 
 option go_package = "git.vdb.to/cerc-io/laconicd/x/bond";
 
@@ -32,6 +34,10 @@ service Msg {
   rpc CancelBond(MsgCancelBond) returns (MsgCancelBondResponse) {
     option (google.api.http).post = "/cerc/bond/v1/cancel_bond";
   };
+
+  // UpdateParams defines an operation for updating the x/staking module
+  // parameters.
+  rpc UpdateParams(MsgUpdateParams) returns (MsgUpdateParamsResponse);
 }
 
 // MsgCreateBond defines a SDK message for creating a new bond.
@@ -91,3 +97,21 @@ message MsgCancelBond {
 
 // MsgCancelBondResponse defines the Msg/CancelBond response type.
 message MsgCancelBondResponse {}
+
+// MsgUpdateParams is the Msg/UpdateParams request type.
+message MsgUpdateParams {
+  option (cosmos.msg.v1.signer) = "authority";
+
+  // authority is the address that controls the module (defaults to x/gov unless
+  // overwritten).
+  string authority = 1 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
+
+  // params defines the x/bond parameters to update.
+  //
+  // NOTE: All parameters must be supplied.
+  Params params = 2 [ (gogoproto.nullable) = false ];
+}
+
+// MsgUpdateParamsResponse defines the response structure for executing a
+// MsgUpdateParams message.
+message MsgUpdateParamsResponse {};

tests/integration/common.go

@@ -101,7 +101,7 @@ func (tf *TestFixture) Setup() error {
 
 	auctionKeeper := auctionkeeper.NewKeeper(cdc, runtime.NewKVStoreService(keys[auctionTypes.StoreKey]), accountKeeper, bankKeeper)
 
-	bondKeeper := bondkeeper.NewKeeper(cdc, runtime.NewKVStoreService(keys[bondTypes.StoreKey]), accountKeeper, bankKeeper)
+	bondKeeper := bondkeeper.NewKeeper(cdc, runtime.NewKVStoreService(keys[bondTypes.StoreKey]), accountKeeper, bankKeeper, authority.String())
 
 	registryKeeper := registrykeeper.NewKeeper(
 		cdc,

x/bond/keeper/keeper.go

@@ -45,6 +45,8 @@ type Keeper struct {
 	// Codecs
 	cdc codec.BinaryCodec
 
+	authority string
+
 	// External keepers
 	accountKeeper auth.AccountKeeper
 	bankKeeper    bank.Keeper
@@ -64,10 +66,17 @@ func NewKeeper(
 	storeService store.KVStoreService,
 	accountKeeper auth.AccountKeeper,
 	bankKeeper bank.Keeper,
+	authority string,
 ) *Keeper {
+	// ensure that authority is a valid AccAddress
+	if _, err := accountKeeper.AddressCodec().StringToBytes(authority); err != nil {
+		panic("authority is not a valid acc address")
+	}
+
 	sb := collections.NewSchemaBuilder(storeService)
 	k := Keeper{
 		cdc:           cdc,
+		authority:     authority,
 		accountKeeper: accountKeeper,
 		bankKeeper:    bankKeeper,
 		Params:        collections.NewItem(sb, bondtypes.ParamsPrefix, "params", codec.CollValue[bondtypes.Params](cdc)),
@@ -355,6 +364,11 @@ func (k Keeper) CancelBond(ctx sdk.Context, id string, ownerAddress sdk.AccAddre
 	return &bond, nil
 }
 
+// GetAuthority returns the x/bond module's authority.
+func (k Keeper) GetAuthority() string {
+	return k.authority
+}
+
 // GetParams gets the bond module's parameters.
 func (k Keeper) GetParams(ctx sdk.Context) (*bondtypes.Params, error) {
 	params, err := k.Params.Get(ctx)
@@ -365,6 +379,11 @@ func (k Keeper) GetParams(ctx sdk.Context) (*bondtypes.Params, error) {
 	return &params, nil
 }
 
+// SetParams sets the x/bond module parameters.
+func (k Keeper) SetParams(ctx sdk.Context, params bondtypes.Params) error {
+	return k.Params.Set(ctx, params)
+}
+
 func (k Keeper) getMaxBondAmount(ctx sdk.Context) (sdk.Coins, error) {
 	params, err := k.GetParams(ctx)
 	if err != nil {

x/bond/keeper/msg_server.go

@@ -3,7 +3,9 @@ package keeper
 import (
 	"context"
 
+	errorsmod "cosmossdk.io/errors"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
 
 	"git.vdb.to/cerc-io/laconicd/utils"
 	"git.vdb.to/cerc-io/laconicd/x/bond"
@@ -168,3 +170,22 @@ func (ms msgServer) CancelBond(c context.Context, msg *bond.MsgCancelBond) (*bon
 
 	return &bond.MsgCancelBondResponse{}, nil
 }
+
+// UpdateParams defines a method to perform updation of module params.
+func (ms msgServer) UpdateParams(c context.Context, msg *bond.MsgUpdateParams) (*bond.MsgUpdateParamsResponse, error) {
+	if ms.k.authority != msg.Authority {
+		return nil, errorsmod.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", ms.k.authority, msg.Authority)
+	}
+
+	if err := msg.Params.Validate(); err != nil {
+		return nil, err
+	}
+
+	ctx := sdk.UnwrapSDKContext(c)
+
+	if err := ms.k.SetParams(ctx, msg.Params); err != nil {
+		return nil, err
+	}
+
+	return &bond.MsgUpdateParamsResponse{}, nil
+}

x/bond/module/autocli.go

@@ -88,6 +88,10 @@ func (am AppModule) AutoCLIOptions() *autocliv1.ModuleOptions {
 						{ProtoField: "id"},
 					},
 				},
+				{
+					RpcMethod: "UpdateParams",
+					Skip:      true, // skipped because authority gated
+				},
 			},
 		},
 	}

x/bond/module/depinject.go

@@ -7,7 +7,9 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/codec"
 	auth "github.com/cosmos/cosmos-sdk/x/auth/keeper"
+	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
 	bank "github.com/cosmos/cosmos-sdk/x/bank/keeper"
+	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
 
 	modulev1 "git.vdb.to/cerc-io/laconicd/api/cerc/bond/module/v1"
 	"git.vdb.to/cerc-io/laconicd/x/bond"
@@ -33,6 +35,7 @@ func init() {
 type ModuleInputs struct {
 	depinject.In
 
+	Config       *modulev1.Module
 	Cdc          codec.Codec
 	StoreService store.KVStoreService
 
@@ -48,7 +51,13 @@ type ModuleOutputs struct {
 }
 
 func ProvideModule(in ModuleInputs) ModuleOutputs {
-	k := keeper.NewKeeper(in.Cdc, in.StoreService, in.AccountKeeper, in.BankKeeper)
+	// default to governance authority if not provided
+	authority := authtypes.NewModuleAddress(govtypes.ModuleName)
+	if in.Config.Authority != "" {
+		authority = authtypes.NewModuleAddressOrBech32Address(in.Config.Authority)
+	}
+
+	k := keeper.NewKeeper(in.Cdc, in.StoreService, in.AccountKeeper, in.BankKeeper, authority.String())
 	m := NewAppModule(in.Cdc, k)
 
 	return ModuleOutputs{Module: m, Keeper: k}

x/bond/tx.pb.go

@@ -6,6 +6,7 @@ package bond
 import (
 	context "context"
 	fmt "fmt"
+	_ "github.com/cosmos/cosmos-proto"
 	github_com_cosmos_cosmos_sdk_types "github.com/cosmos/cosmos-sdk/types"
 	types "github.com/cosmos/cosmos-sdk/types"
 	_ "github.com/cosmos/cosmos-sdk/types/msgservice"
@@ -416,6 +417,102 @@ func (m *MsgCancelBondResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgCancelBondResponse proto.InternalMessageInfo
 
+// MsgUpdateParams is the Msg/UpdateParams request type.
+type MsgUpdateParams struct {
+	// authority is the address that controls the module (defaults to x/gov unless
+	// overwritten).
+	Authority string `protobuf:"bytes,1,opt,name=authority,proto3" json:"authority,omitempty"`
+	// params defines the x/bond parameters to update.
+	//
+	// NOTE: All parameters must be supplied.
+	Params Params `protobuf:"bytes,2,opt,name=params,proto3" json:"params"`
+}
+
+func (m *MsgUpdateParams) Reset()         { *m = MsgUpdateParams{} }
+func (m *MsgUpdateParams) String() string { return proto.CompactTextString(m) }
+func (*MsgUpdateParams) ProtoMessage()    {}
+func (*MsgUpdateParams) Descriptor() ([]byte, []int) {
+	return fileDescriptor_efb1a132c2c5bd62, []int{8}
+}
+func (m *MsgUpdateParams) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgUpdateParams) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgUpdateParams.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *MsgUpdateParams) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgUpdateParams.Merge(m, src)
+}
+func (m *MsgUpdateParams) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgUpdateParams) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgUpdateParams.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgUpdateParams proto.InternalMessageInfo
+
+func (m *MsgUpdateParams) GetAuthority() string {
+	if m != nil {
+		return m.Authority
+	}
+	return ""
+}
+
+func (m *MsgUpdateParams) GetParams() Params {
+	if m != nil {
+		return m.Params
+	}
+	return Params{}
+}
+
+// MsgUpdateParamsResponse defines the response structure for executing a
+// MsgUpdateParams message.
+type MsgUpdateParamsResponse struct {
+}
+
+func (m *MsgUpdateParamsResponse) Reset()         { *m = MsgUpdateParamsResponse{} }
+func (m *MsgUpdateParamsResponse) String() string { return proto.CompactTextString(m) }
+func (*MsgUpdateParamsResponse) ProtoMessage()    {}
+func (*MsgUpdateParamsResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_efb1a132c2c5bd62, []int{9}
+}
+func (m *MsgUpdateParamsResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgUpdateParamsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgUpdateParamsResponse.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *MsgUpdateParamsResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgUpdateParamsResponse.Merge(m, src)
+}
+func (m *MsgUpdateParamsResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgUpdateParamsResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgUpdateParamsResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgUpdateParamsResponse proto.InternalMessageInfo
+
 func init() {
 	proto.RegisterType((*MsgCreateBond)(nil), "cerc.bond.v1.MsgCreateBond")
 	proto.RegisterType((*MsgCreateBondResponse)(nil), "cerc.bond.v1.MsgCreateBondResponse")
@@ -425,47 +522,56 @@ func init() {
 	proto.RegisterType((*MsgWithdrawBondResponse)(nil), "cerc.bond.v1.MsgWithdrawBondResponse")
 	proto.RegisterType((*MsgCancelBond)(nil), "cerc.bond.v1.MsgCancelBond")
 	proto.RegisterType((*MsgCancelBondResponse)(nil), "cerc.bond.v1.MsgCancelBondResponse")
+	proto.RegisterType((*MsgUpdateParams)(nil), "cerc.bond.v1.MsgUpdateParams")
+	proto.RegisterType((*MsgUpdateParamsResponse)(nil), "cerc.bond.v1.MsgUpdateParamsResponse")
 }
 
 func init() { proto.RegisterFile("cerc/bond/v1/tx.proto", fileDescriptor_efb1a132c2c5bd62) }
 
 var fileDescriptor_efb1a132c2c5bd62 = []byte{
-	// 548 bytes of a gzipped FileDescriptorProto
+	// 659 bytes of a gzipped FileDescriptorProto
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+	0x3e, 0x98, 0xca, 0xcd, 0xf5, 0xc2, 0x50, 0xdf, 0x2c, 0x5c, 0xbb, 0x7d, 0x25, 0x9c, 0x12, 0x2f,
-	0xbe, 0x05, 0x00, 0x00,
+	0x2b, 0xe2, 0x05, 0x77, 0x3e, 0x4f, 0xbc, 0x63, 0x6a, 0x53, 0xb7, 0x99, 0x79, 0x2b, 0x08, 0x38,
+	0x05, 0x8b, 0x02, 0x1e, 0x9e, 0xb1, 0xcb, 0x02, 0x56, 0x95, 0x9a, 0xf2, 0x09, 0x98, 0xca, 0x8d,
+	0xe0, 0xb0, 0xdb, 0x2c, 0x5c, 0xe0, 0xb6, 0x68, 0x62, 0x6a, 0x63, 0x6f, 0xcf, 0xf6, 0x57, 0xad,
+	0xe6, 0xfd, 0xc3, 0x13, 0xc7, 0x3a, 0x3a, 0x71, 0xac, 0x9f, 0x27, 0x8e, 0xf5, 0xfe, 0xd4, 0x29,
+	0x1d, 0x9d, 0x3a, 0xa5, 0xef, 0xa7, 0x4e, 0xe9, 0xb9, 0x4b, 0xa8, 0xf4, 0x7a, 0x41, 0xc7, 0x4b,
+	0xae, 0x0c, 0x1c, 0xfb, 0x6b, 0x94, 0xc3, 0x2e, 0xf2, 0x39, 0xa3, 0x7e, 0x00, 0x77, 0x95, 0xd2,
+	0xce, 0xb8, 0xba, 0x2b, 0xee, 0xfe, 0x09, 0x00, 0x00, 0xff, 0xff, 0xef, 0x34, 0xfa, 0x7f, 0xf3,
+	0x06, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -488,6 +594,9 @@ type MsgClient interface {
 	WithdrawBond(ctx context.Context, in *MsgWithdrawBond, opts ...grpc.CallOption) (*MsgWithdrawBondResponse, error)
 	// CancelBond defines a method for cancelling a bond.
 	CancelBond(ctx context.Context, in *MsgCancelBond, opts ...grpc.CallOption) (*MsgCancelBondResponse, error)
+	// UpdateParams defines an operation for updating the x/staking module
+	// parameters.
+	UpdateParams(ctx context.Context, in *MsgUpdateParams, opts ...grpc.CallOption) (*MsgUpdateParamsResponse, error)
 }
 
 type msgClient struct {
@@ -534,6 +643,15 @@ func (c *msgClient) CancelBond(ctx context.Context, in *MsgCancelBond, opts ...g
 	return out, nil
 }
 
+func (c *msgClient) UpdateParams(ctx context.Context, in *MsgUpdateParams, opts ...grpc.CallOption) (*MsgUpdateParamsResponse, error) {
+	out := new(MsgUpdateParamsResponse)
+	err := c.cc.Invoke(ctx, "/cerc.bond.v1.Msg/UpdateParams", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // MsgServer is the server API for Msg service.
 type MsgServer interface {
 	// CreateBond defines a method for creating a new bond.
@@ -544,6 +662,9 @@ type MsgServer interface {
 	WithdrawBond(context.Context, *MsgWithdrawBond) (*MsgWithdrawBondResponse, error)
 	// CancelBond defines a method for cancelling a bond.
 	CancelBond(context.Context, *MsgCancelBond) (*MsgCancelBondResponse, error)
+	// UpdateParams defines an operation for updating the x/staking module
+	// parameters.
+	UpdateParams(context.Context, *MsgUpdateParams) (*MsgUpdateParamsResponse, error)
 }
 
 // UnimplementedMsgServer can be embedded to have forward compatible implementations.
@@ -562,6 +683,9 @@ func (*UnimplementedMsgServer) WithdrawBond(ctx context.Context, req *MsgWithdra
 func (*UnimplementedMsgServer) CancelBond(ctx context.Context, req *MsgCancelBond) (*MsgCancelBondResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method CancelBond not implemented")
 }
+func (*UnimplementedMsgServer) UpdateParams(ctx context.Context, req *MsgUpdateParams) (*MsgUpdateParamsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateParams not implemented")
+}
 
 func RegisterMsgServer(s grpc1.Server, srv MsgServer) {
 	s.RegisterService(&_Msg_serviceDesc, srv)
@@ -639,6 +763,24 @@ func _Msg_CancelBond_Handler(srv interface{}, ctx context.Context, dec func(inte
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Msg_UpdateParams_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MsgUpdateParams)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MsgServer).UpdateParams(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/cerc.bond.v1.Msg/UpdateParams",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MsgServer).UpdateParams(ctx, req.(*MsgUpdateParams))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Msg_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "cerc.bond.v1.Msg",
 	HandlerType: (*MsgServer)(nil),
@@ -659,6 +801,10 @@ var _Msg_serviceDesc = grpc.ServiceDesc{
 			MethodName: "CancelBond",
 			Handler:    _Msg_CancelBond_Handler,
 		},
+		{
+			MethodName: "UpdateParams",
+			Handler:    _Msg_UpdateParams_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "cerc/bond/v1/tx.proto",
@@ -946,6 +1092,69 @@ func (m *MsgCancelBondResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *MsgUpdateParams) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *MsgUpdateParams) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgUpdateParams) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	{
+		size, err := m.Params.MarshalToSizedBuffer(dAtA[:i])
+		if err != nil {
+			return 0, err
+		}
+		i -= size
+		i = encodeVarintTx(dAtA, i, uint64(size))
+	}
+	i--
+	dAtA[i] = 0x12
+	if len(m.Authority) > 0 {
+		i -= len(m.Authority)
+		copy(dAtA[i:], m.Authority)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Authority)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *MsgUpdateParamsResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *MsgUpdateParamsResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgUpdateParamsResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintTx(dAtA []byte, offset int, v uint64) int {
 	offset -= sovTx(v)
 	base := offset
@@ -1079,6 +1288,30 @@ func (m *MsgCancelBondResponse) Size() (n int) {
 	return n
 }
 
+func (m *MsgUpdateParams) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Authority)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	l = m.Params.Size()
+	n += 1 + l + sovTx(uint64(l))
+	return n
+}
+
+func (m *MsgUpdateParamsResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	return n
+}
+
 func sovTx(x uint64) (n int) {
 	return (math_bits.Len64(x|1) + 6) / 7
 }
@@ -1843,6 +2076,171 @@ func (m *MsgCancelBondResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *MsgUpdateParams) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTx
+			}
+			if iNdEx >= l {
+				return 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 fmt.Errorf("proto: MsgUpdateParams: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgUpdateParams: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Authority", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Authority = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Params", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := m.Params.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *MsgUpdateParamsResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTx
+			}
+			if iNdEx >= l {
+				return 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 fmt.Errorf("proto: MsgUpdateParamsResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgUpdateParamsResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipTx(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0