From 63f664b7c95b9819a9b8207d40cae30262659b70 Mon Sep 17 00:00:00 2001
From: Dreamer <745124335@qq.com>
Date: Mon, 12 Jun 2023 14:09:40 +0800
Subject: [PATCH 1/9] update proto file & regenerate

---
 modules/farm/keeper/keeper.go     |   1 +
 modules/farm/keeper/msg_server.go |  58 +++-
 modules/farm/types/farm.pb.go     |   8 +-
 modules/farm/types/genesis.pb.go  |   1 +
 modules/farm/types/query.pb.go    |  20 +-
 modules/farm/types/tx.pb.go       | 523 ++++++++++++++++++++++++++----
 proto/farm/farm.proto             |   8 +-
 proto/farm/genesis.proto          |   1 +
 proto/farm/query.proto            |  18 +-
 proto/farm/tx.proto               |  57 +++-
 10 files changed, 614 insertions(+), 81 deletions(-)

diff --git a/modules/farm/keeper/keeper.go b/modules/farm/keeper/keeper.go
index 4e172639..41472915 100644
--- a/modules/farm/keeper/keeper.go
+++ b/modules/farm/keeper/keeper.go
@@ -24,6 +24,7 @@ type Keeper struct {
 	dk                                  types.DistrKeeper
 	gk                                  types.GovKeeper
 	feeCollectorName, communityPoolName string // name of the fee collector
+	authority                           string
 }
 
 func NewKeeper(
diff --git a/modules/farm/keeper/msg_server.go b/modules/farm/keeper/msg_server.go
index a4bf5839..10e9eded 100644
--- a/modules/farm/keeper/msg_server.go
+++ b/modules/farm/keeper/msg_server.go
@@ -24,7 +24,10 @@ func NewMsgServerImpl(keeper Keeper) types.MsgServer {
 	return &msgServer{Keeper: keeper}
 }
 
-func (m msgServer) CreatePool(goCtx context.Context, msg *types.MsgCreatePool) (*types.MsgCreatePoolResponse, error) {
+func (m msgServer) CreatePool(
+	goCtx context.Context,
+	msg *types.MsgCreatePool,
+) (*types.MsgCreatePoolResponse, error) {
 	creator, err := sdk.AccAddressFromBech32(msg.Creator)
 	if err != nil {
 		return nil, err
@@ -40,7 +43,9 @@ func (m msgServer) CreatePool(goCtx context.Context, msg *types.MsgCreatePool) (
 		)
 	}
 
-	if maxRewardCategories := m.Keeper.MaxRewardCategories(ctx); uint32(len(msg.TotalReward)) > maxRewardCategories {
+	if maxRewardCategories := m.Keeper.MaxRewardCategories(ctx); uint32(
+		len(msg.TotalReward),
+	) > maxRewardCategories {
 		return nil, sdkerrors.Wrapf(
 			types.ErrInvalidRewardRule,
 			"the max reward category num is [%d], but got [%d]",
@@ -85,8 +90,10 @@ func (m msgServer) CreatePool(goCtx context.Context, msg *types.MsgCreatePool) (
 	return &types.MsgCreatePoolResponse{}, nil
 }
 
-func (m msgServer) CreatePoolWithCommunityPool(goCtx context.Context,
-	msg *types.MsgCreatePoolWithCommunityPool) (*types.MsgCreatePoolWithCommunityPoolResponse, error) {
+func (m msgServer) CreatePoolWithCommunityPool(
+	goCtx context.Context,
+	msg *types.MsgCreatePoolWithCommunityPool,
+) (*types.MsgCreatePoolWithCommunityPoolResponse, error) {
 	proposer, err := sdk.AccAddressFromBech32(msg.Proposer)
 	if err != nil {
 		return nil, err
@@ -169,7 +176,10 @@ func (m msgServer) CreatePoolWithCommunityPool(goCtx context.Context,
 	return &types.MsgCreatePoolWithCommunityPoolResponse{}, nil
 }
 
-func (m msgServer) DestroyPool(goCtx context.Context, msg *types.MsgDestroyPool) (*types.MsgDestroyPoolResponse, error) {
+func (m msgServer) DestroyPool(
+	goCtx context.Context,
+	msg *types.MsgDestroyPool,
+) (*types.MsgDestroyPoolResponse, error) {
 	creator, err := sdk.AccAddressFromBech32(msg.Creator)
 	if err != nil {
 		return nil, err
@@ -197,7 +207,10 @@ func (m msgServer) DestroyPool(goCtx context.Context, msg *types.MsgDestroyPool)
 	return &types.MsgDestroyPoolResponse{}, nil
 }
 
-func (m msgServer) AdjustPool(goCtx context.Context, msg *types.MsgAdjustPool) (*types.MsgAdjustPoolResponse, error) {
+func (m msgServer) AdjustPool(
+	goCtx context.Context,
+	msg *types.MsgAdjustPool,
+) (*types.MsgAdjustPoolResponse, error) {
 	creator, err := sdk.AccAddressFromBech32(msg.Creator)
 	if err != nil {
 		return nil, err
@@ -228,7 +241,10 @@ func (m msgServer) AdjustPool(goCtx context.Context, msg *types.MsgAdjustPool) (
 	return &types.MsgAdjustPoolResponse{}, nil
 }
 
-func (m msgServer) Stake(goCtx context.Context, msg *types.MsgStake) (*types.MsgStakeResponse, error) {
+func (m msgServer) Stake(
+	goCtx context.Context,
+	msg *types.MsgStake,
+) (*types.MsgStakeResponse, error) {
 	sender, err := sdk.AccAddressFromBech32(msg.Sender)
 	if err != nil {
 		return nil, err
@@ -256,7 +272,10 @@ func (m msgServer) Stake(goCtx context.Context, msg *types.MsgStake) (*types.Msg
 	return &types.MsgStakeResponse{Reward: reward}, nil
 }
 
-func (m msgServer) Unstake(goCtx context.Context, msg *types.MsgUnstake) (*types.MsgUnstakeResponse, error) {
+func (m msgServer) Unstake(
+	goCtx context.Context,
+	msg *types.MsgUnstake,
+) (*types.MsgUnstakeResponse, error) {
 	sender, err := sdk.AccAddressFromBech32(msg.Sender)
 	if err != nil {
 		return nil, err
@@ -284,7 +303,10 @@ func (m msgServer) Unstake(goCtx context.Context, msg *types.MsgUnstake) (*types
 	return &types.MsgUnstakeResponse{Reward: reward}, nil
 }
 
-func (m msgServer) Harvest(goCtx context.Context, msg *types.MsgHarvest) (*types.MsgHarvestResponse, error) {
+func (m msgServer) Harvest(
+	goCtx context.Context,
+	msg *types.MsgHarvest,
+) (*types.MsgHarvestResponse, error) {
 	sender, err := sdk.AccAddressFromBech32(msg.Sender)
 	if err != nil {
 		return nil, err
@@ -310,3 +332,21 @@ func (m msgServer) Harvest(goCtx context.Context, msg *types.MsgHarvest) (*types
 	})
 	return &types.MsgHarvestResponse{Reward: reward}, nil
 }
+
+func (m msgServer) UpdateParams(
+	goCtx context.Context,
+	msg *types.MsgUpdateParams,
+) (*types.MsgUpdateParamsResponse, error) {
+	if m.authority != msg.Authority {
+		return nil, sdkerrors.Wrapf(
+			sdkerrors.ErrUnauthorized,
+			"invalid authority; expected %s, got %s",
+			m.authority,
+			msg.Authority,
+		)
+	}
+
+	ctx := sdk.UnwrapSDKContext(goCtx)
+	m.SetParams(ctx, msg.Params)
+	return &types.MsgUpdateParamsResponse{}, nil
+}
diff --git a/modules/farm/types/farm.pb.go b/modules/farm/types/farm.pb.go
index 272d7924..224586de 100644
--- a/modules/farm/types/farm.pb.go
+++ b/modules/farm/types/farm.pb.go
@@ -25,6 +25,7 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
+// FarmPool defines the properties of farm pool
 type FarmPool struct {
 	Id                     string                                  `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
 	Creator                string                                  `protobuf:"bytes,2,opt,name=creator,proto3" json:"creator,omitempty"`
@@ -70,6 +71,7 @@ func (m *FarmPool) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_FarmPool proto.InternalMessageInfo
 
+// RewardRule defines the properties of farm pool reward
 type RewardRule struct {
 	Reward          string                                 `protobuf:"bytes,1,opt,name=reward,proto3" json:"reward,omitempty"`
 	TotalReward     github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,2,opt,name=total_reward,json=totalReward,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"total_reward"`
@@ -111,6 +113,7 @@ func (m *RewardRule) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_RewardRule proto.InternalMessageInfo
 
+// FarmInfo records the current information of the farm pool
 type FarmInfo struct {
 	PoolId     string                                   `protobuf:"bytes,1,opt,name=pool_id,json=poolId,proto3" json:"pool_id,omitempty"`
 	Address    string                                   `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
@@ -151,6 +154,7 @@ func (m *FarmInfo) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_FarmInfo proto.InternalMessageInfo
 
+// Params records the current params information of the farm pool
 type Params struct {
 	PoolCreationFee     github_com_cosmos_cosmos_sdk_types.Coin `protobuf:"bytes,1,opt,name=pool_creation_fee,json=poolCreationFee,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Coin" json:"pool_creation_fee"`
 	MaxRewardCategories uint32                                  `protobuf:"varint,2,opt,name=max_reward_categories,json=maxRewardCategories,proto3" json:"max_reward_categories,omitempty"`
@@ -190,6 +194,7 @@ func (m *Params) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_Params proto.InternalMessageInfo
 
+// EscrowInfo create delegate information for farm pool proposals
 type EscrowInfo struct {
 	Proposer     string       `protobuf:"bytes,1,opt,name=proposer,proto3" json:"proposer,omitempty"`
 	FundApplied  []types.Coin `protobuf:"bytes,2,rep,name=fund_applied,json=fundApplied,proto3" json:"fund_applied"`
@@ -230,8 +235,7 @@ func (m *EscrowInfo) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_EscrowInfo proto.InternalMessageInfo
 
-// CommunityPoolCreateFarmProposal is a gov Content type for creating a farm
-// pool with community pool
+// CommunityPoolCreateFarmProposal is a gov Content type for creating a farm pool with community pool
 type CommunityPoolCreateFarmProposal struct {
 	Title           string       `protobuf:"bytes,1,opt,name=title,proto3" json:"title,omitempty"`
 	Description     string       `protobuf:"bytes,2,opt,name=description,proto3" json:"description,omitempty"`
diff --git a/modules/farm/types/genesis.pb.go b/modules/farm/types/genesis.pb.go
index a21f8f53..cb566abd 100644
--- a/modules/farm/types/genesis.pb.go
+++ b/modules/farm/types/genesis.pb.go
@@ -23,6 +23,7 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
+// GenesisState defines the genesis information exported by the farm module
 type GenesisState struct {
 	Params    Params       `protobuf:"bytes,1,opt,name=params,proto3" json:"params"`
 	Pools     []FarmPool   `protobuf:"bytes,2,rep,name=pools,proto3" json:"pools"`
diff --git a/modules/farm/types/query.pb.go b/modules/farm/types/query.pb.go
index 35b6bee5..2f9bf72e 100644
--- a/modules/farm/types/query.pb.go
+++ b/modules/farm/types/query.pb.go
@@ -32,6 +32,7 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
+// QueryFarmPoolsRequest is request type for the Query/FarmPools RPC method
 type QueryFarmPoolsRequest struct {
 	Pagination *query.PageRequest `protobuf:"bytes,3,opt,name=pagination,proto3" json:"pagination,omitempty"`
 }
@@ -76,6 +77,7 @@ func (m *QueryFarmPoolsRequest) GetPagination() *query.PageRequest {
 	return nil
 }
 
+// FarmPoolEntry defines the properties of farm pool
 type FarmPoolEntry struct {
 	Id              string                                   `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
 	Creator         string                                   `protobuf:"bytes,2,opt,name=creator,proto3" json:"creator,omitempty"`
@@ -193,6 +195,7 @@ func (m *FarmPoolEntry) GetRewardPerBlock() github_com_cosmos_cosmos_sdk_types.C
 	return nil
 }
 
+// QueryFarmPoolsResponse is response type for the Query/FarmPools RPC method
 type QueryFarmPoolsResponse struct {
 	Pools      []*FarmPoolEntry    `protobuf:"bytes,1,rep,name=pools,proto3" json:"pools,omitempty"`
 	Pagination *query.PageResponse `protobuf:"bytes,2,opt,name=pagination,proto3" json:"pagination,omitempty"`
@@ -245,6 +248,7 @@ func (m *QueryFarmPoolsResponse) GetPagination() *query.PageResponse {
 	return nil
 }
 
+// QueryFarmPoolsRequest is request type for the Query/FarmPool RPC method
 type QueryFarmPoolRequest struct {
 	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
 }
@@ -289,6 +293,7 @@ func (m *QueryFarmPoolRequest) GetId() string {
 	return ""
 }
 
+// QueryFarmPoolResponse is response type for the Query/FarmPool RPC method
 type QueryFarmPoolResponse struct {
 	Pool *FarmPoolEntry `protobuf:"bytes,1,opt,name=pool,proto3" json:"pool,omitempty"`
 }
@@ -333,6 +338,7 @@ func (m *QueryFarmPoolResponse) GetPool() *FarmPoolEntry {
 	return nil
 }
 
+// QueryFarmerRequest is request type for the Query/Farmer RPC method
 type QueryFarmerRequest struct {
 	Farmer string `protobuf:"bytes,1,opt,name=farmer,proto3" json:"farmer,omitempty"`
 	PoolId string `protobuf:"bytes,2,opt,name=pool_id,json=poolId,proto3" json:"pool_id,omitempty"`
@@ -385,6 +391,7 @@ func (m *QueryFarmerRequest) GetPoolId() string {
 	return ""
 }
 
+// QueryFarmerResponse is response type for the Query/Farmer RPC method
 type QueryFarmerResponse struct {
 	List   []*LockedInfo `protobuf:"bytes,1,rep,name=list,proto3" json:"list,omitempty"`
 	Height int64         `protobuf:"varint,2,opt,name=height,proto3" json:"height,omitempty"`
@@ -437,6 +444,7 @@ func (m *QueryFarmerResponse) GetHeight() int64 {
 	return 0
 }
 
+// QueryParamsRequest is request type for the Query/Params RPC method
 type QueryParamsRequest struct {
 }
 
@@ -473,6 +481,7 @@ func (m *QueryParamsRequest) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_QueryParamsRequest proto.InternalMessageInfo
 
+// QueryParamsResponse is response type for the Query/Params RPC method
 type QueryParamsResponse struct {
 	Params Params `protobuf:"bytes,1,opt,name=params,proto3" json:"params"`
 }
@@ -517,6 +526,7 @@ func (m *QueryParamsResponse) GetParams() Params {
 	return Params{}
 }
 
+// LockedInfo defines the information of the farmer's current pledge
 type LockedInfo struct {
 	PoolId        string                                   `protobuf:"bytes,1,opt,name=pool_id,json=poolId,proto3" json:"pool_id,omitempty"`
 	Locked        github_com_cosmos_cosmos_sdk_types.Coin  `protobuf:"bytes,2,opt,name=locked,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Coin" json:"locked"`
@@ -656,10 +666,13 @@ const _ = grpc.SupportPackageIsVersion4
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
 type QueryClient interface {
+	// FarmPools returns all the farm pool
 	FarmPools(ctx context.Context, in *QueryFarmPoolsRequest, opts ...grpc.CallOption) (*QueryFarmPoolsResponse, error)
+	// FarmPool returns the farm pool for the provided id
 	FarmPool(ctx context.Context, in *QueryFarmPoolRequest, opts ...grpc.CallOption) (*QueryFarmPoolResponse, error)
+	// Farmer returns the farmer for the provided farmer address
 	Farmer(ctx context.Context, in *QueryFarmerRequest, opts ...grpc.CallOption) (*QueryFarmerResponse, error)
-	// Params queries the htlc parameters
+	// Params queries the farm parameters
 	Params(ctx context.Context, in *QueryParamsRequest, opts ...grpc.CallOption) (*QueryParamsResponse, error)
 }
 
@@ -709,10 +722,13 @@ func (c *queryClient) Params(ctx context.Context, in *QueryParamsRequest, opts .
 
 // QueryServer is the server API for Query service.
 type QueryServer interface {
+	// FarmPools returns all the farm pool
 	FarmPools(context.Context, *QueryFarmPoolsRequest) (*QueryFarmPoolsResponse, error)
+	// FarmPool returns the farm pool for the provided id
 	FarmPool(context.Context, *QueryFarmPoolRequest) (*QueryFarmPoolResponse, error)
+	// Farmer returns the farmer for the provided farmer address
 	Farmer(context.Context, *QueryFarmerRequest) (*QueryFarmerResponse, error)
-	// Params queries the htlc parameters
+	// Params queries the farm parameters
 	Params(context.Context, *QueryParamsRequest) (*QueryParamsResponse, error)
 }
 
diff --git a/modules/farm/types/tx.pb.go b/modules/farm/types/tx.pb.go
index a50ec246..3f489336 100644
--- a/modules/farm/types/tx.pb.go
+++ b/modules/farm/types/tx.pb.go
@@ -6,8 +6,10 @@ package types
 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"
 	_ "github.com/cosmos/gogoproto/gogoproto"
 	grpc1 "github.com/cosmos/gogoproto/grpc"
 	proto "github.com/cosmos/gogoproto/proto"
@@ -30,6 +32,7 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
+// MsgCreatePool defines a msg for creating a new farm pool
 type MsgCreatePool struct {
 	Description    string                                   `protobuf:"bytes,1,opt,name=description,proto3" json:"description,omitempty"`
 	LptDenom       string                                   `protobuf:"bytes,2,opt,name=lpt_denom,json=lptDenom,proto3" json:"lpt_denom,omitempty"`
@@ -73,9 +76,10 @@ func (m *MsgCreatePool) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgCreatePool proto.InternalMessageInfo
 
+// MsgCreatePoolWithCommunityPool defines a msg for creating a new farm pool by proposal
 type MsgCreatePoolWithCommunityPool struct {
 	Content        CommunityPoolCreateFarmProposal          `protobuf:"bytes,1,opt,name=content,proto3" json:"content"`
-	InitialDeposit github_com_cosmos_cosmos_sdk_types.Coins `protobuf:"bytes,2,rep,name=initial_deposit,json=initialDeposit,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coins" json:"initial_deposit" yaml:"initial_deposit"`
+	InitialDeposit github_com_cosmos_cosmos_sdk_types.Coins `protobuf:"bytes,2,rep,name=initial_deposit,json=initialDeposit,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coins" json:"initial_deposit"`
 	Proposer       string                                   `protobuf:"bytes,3,opt,name=proposer,proto3" json:"proposer,omitempty"`
 }
 
@@ -112,6 +116,7 @@ func (m *MsgCreatePoolWithCommunityPool) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgCreatePoolWithCommunityPool proto.InternalMessageInfo
 
+// MsgDestroyPool defines a msg for destroying a existed farm pool
 type MsgDestroyPool struct {
 	PoolId  string `protobuf:"bytes,1,opt,name=pool_id,json=poolId,proto3" json:"pool_id,omitempty"`
 	Creator string `protobuf:"bytes,2,opt,name=creator,proto3" json:"creator,omitempty"`
@@ -150,6 +155,7 @@ func (m *MsgDestroyPool) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgDestroyPool proto.InternalMessageInfo
 
+// MsgAdjustPool defines a msg for adjusting the farm pool params
 type MsgAdjustPool struct {
 	PoolId           string                                   `protobuf:"bytes,1,opt,name=pool_id,json=poolId,proto3" json:"pool_id,omitempty"`
 	AdditionalReward github_com_cosmos_cosmos_sdk_types.Coins `protobuf:"bytes,2,rep,name=additional_reward,json=additionalReward,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coins" json:"additional_reward"`
@@ -190,6 +196,7 @@ func (m *MsgAdjustPool) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgAdjustPool proto.InternalMessageInfo
 
+// MsgStake defines a msg for staking some lp token to a farm pool
 type MsgStake struct {
 	PoolId string                                  `protobuf:"bytes,1,opt,name=pool_id,json=poolId,proto3" json:"pool_id,omitempty"`
 	Amount github_com_cosmos_cosmos_sdk_types.Coin `protobuf:"bytes,2,opt,name=amount,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Coin" json:"amount"`
@@ -229,6 +236,7 @@ func (m *MsgStake) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgStake proto.InternalMessageInfo
 
+// MsgUnstake defines a msg for unstaking some lp token from a farm pool and withdraw some reward
 type MsgUnstake struct {
 	PoolId string                                  `protobuf:"bytes,1,opt,name=pool_id,json=poolId,proto3" json:"pool_id,omitempty"`
 	Amount github_com_cosmos_cosmos_sdk_types.Coin `protobuf:"bytes,2,opt,name=amount,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Coin" json:"amount"`
@@ -268,6 +276,7 @@ func (m *MsgUnstake) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgUnstake proto.InternalMessageInfo
 
+// MsgHarvest defines a msg withdraw some reward from a farm pool
 type MsgHarvest struct {
 	PoolId string `protobuf:"bytes,1,opt,name=pool_id,json=poolId,proto3" json:"pool_id,omitempty"`
 	Sender string `protobuf:"bytes,2,opt,name=sender,proto3" json:"sender,omitempty"`
@@ -306,6 +315,7 @@ func (m *MsgHarvest) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgHarvest proto.InternalMessageInfo
 
+// MsgCreatePoolResponse defines the Msg/CreatePool response type
 type MsgCreatePoolResponse struct {
 }
 
@@ -342,6 +352,7 @@ func (m *MsgCreatePoolResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgCreatePoolResponse proto.InternalMessageInfo
 
+// MsgCreatePoolWithCommunityPoolResponse defines the Msg/CreatePoolWithCommunityPool response type
 type MsgCreatePoolWithCommunityPoolResponse struct {
 }
 
@@ -380,6 +391,7 @@ func (m *MsgCreatePoolWithCommunityPoolResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgCreatePoolWithCommunityPoolResponse proto.InternalMessageInfo
 
+// MsgDestroyPoolResponse defines the Msg/DestroyPool response type
 type MsgDestroyPoolResponse struct {
 }
 
@@ -416,6 +428,7 @@ func (m *MsgDestroyPoolResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgDestroyPoolResponse proto.InternalMessageInfo
 
+// MsgAdjustPoolResponse defines the Msg/AdjustPool response type
 type MsgAdjustPoolResponse struct {
 }
 
@@ -452,6 +465,7 @@ func (m *MsgAdjustPoolResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgAdjustPoolResponse proto.InternalMessageInfo
 
+// MsgStakeResponse defines the Msg/Stake response type
 type MsgStakeResponse struct {
 	Reward github_com_cosmos_cosmos_sdk_types.Coins `protobuf:"bytes,2,rep,name=reward,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coins" json:"reward"`
 }
@@ -489,6 +503,7 @@ func (m *MsgStakeResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgStakeResponse proto.InternalMessageInfo
 
+// MsgUnstakeResponse defines the Msg/Unstake response type
 type MsgUnstakeResponse struct {
 	Reward github_com_cosmos_cosmos_sdk_types.Coins `protobuf:"bytes,2,rep,name=reward,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coins" json:"reward"`
 }
@@ -526,6 +541,7 @@ func (m *MsgUnstakeResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgUnstakeResponse proto.InternalMessageInfo
 
+// MsgHarvestResponse defines the Msg/Harvest response type
 type MsgHarvestResponse struct {
 	Reward github_com_cosmos_cosmos_sdk_types.Coins `protobuf:"bytes,2,rep,name=reward,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coins" json:"reward"`
 }
@@ -563,6 +579,91 @@ func (m *MsgHarvestResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgHarvestResponse proto.InternalMessageInfo
 
+// MsgUpdateParams is the Msg/UpdateParams request type.
+//
+// Since: cosmos-sdk 0.47
+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/coinswap 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_6b714bf6ff5a5095, []int{14}
+}
+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
+
+// MsgUpdateParamsResponse defines the response structure for executing a
+// MsgUpdateParams message.
+//
+// Since: cosmos-sdk 0.47
+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_6b714bf6ff5a5095, []int{15}
+}
+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((*MsgCreatePool)(nil), "irismod.farm.MsgCreatePool")
 	proto.RegisterType((*MsgCreatePoolWithCommunityPool)(nil), "irismod.farm.MsgCreatePoolWithCommunityPool")
@@ -578,66 +679,74 @@ func init() {
 	proto.RegisterType((*MsgStakeResponse)(nil), "irismod.farm.MsgStakeResponse")
 	proto.RegisterType((*MsgUnstakeResponse)(nil), "irismod.farm.MsgUnstakeResponse")
 	proto.RegisterType((*MsgHarvestResponse)(nil), "irismod.farm.MsgHarvestResponse")
+	proto.RegisterType((*MsgUpdateParams)(nil), "irismod.farm.MsgUpdateParams")
+	proto.RegisterType((*MsgUpdateParamsResponse)(nil), "irismod.farm.MsgUpdateParamsResponse")
 }
 
 func init() { proto.RegisterFile("farm/tx.proto", fileDescriptor_6b714bf6ff5a5095) }
 
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+	0x23, 0x3d, 0x0e, 0xbe, 0x5a, 0x84, 0x52, 0x47, 0x04, 0xf6, 0x5d, 0x80, 0xdc, 0x27, 0xc5, 0xce,
+	0x64, 0x92, 0x89, 0xc1, 0xac, 0x3d, 0x3b, 0x07, 0xcc, 0x74, 0xfe, 0xd8, 0x82, 0x9d, 0x79, 0x8f,
+	0xe1, 0xcb, 0x73, 0x48, 0xa6, 0xa2, 0x6b, 0xaf, 0xfd, 0x9d, 0xe8, 0xac, 0x86, 0x77, 0xa0, 0x9a,
+	0x7f, 0x86, 0x9e, 0x9a, 0x22, 0xc9, 0xa1, 0xb5, 0xe7, 0xe6, 0xa1, 0x19, 0xe5, 0x5d, 0x80, 0xdc,
+	0x6b, 0x34, 0x2d, 0xd3, 0x18, 0x9c, 0x21, 0xd3, 0xf4, 0x62, 0xda, 0x6f, 0xc0, 0x62, 0x7a, 0x43,
+	0x6f, 0x4e, 0x45, 0x6b, 0x7f, 0xcd, 0x9d, 0xed, 0xcf, 0x08, 0xde, 0x84, 0xca, 0xe8, 0xea, 0x74,
+	0xa6, 0x42, 0x0d, 0x52, 0xab, 0x5f, 0x85, 0xe4, 0x69, 0x46, 0x17, 0xdb, 0x34, 0x8d, 0x41, 0x66,
+	0xd0, 0x3c, 0xbe, 0x5d, 0xef, 0xc2, 0xca, 0xc4, 0xd0, 0x3f, 0x3d, 0x9d, 0x38, 0x07, 0xd7, 0x9e,
+	0x9f, 0x0b, 0x8f, 0x58, 0xdb, 0x6f, 0x9f, 0xff, 0xe6, 0x16, 0xce, 0x2f, 0x5c, 0xeb, 0xe1, 0x85,
+	0x6b, 0xfd, 0x7a, 0xe1, 0x5a, 0x9f, 0x5f, 0xba, 0x85, 0x87, 0x97, 0x6e, 0xe1, 0xa7, 0x4b, 0xb7,
+	0xf0, 0xc1, 0x5e, 0x6e, 0x3d, 0x15, 0x5d, 0x4c, 0xa4, 0x67, 0x68, 0xbd, 0x88, 0xe1, 0x61, 0x48,
+	0x84, 0x97, 0x7e, 0xcb, 0xab, 0x4d, 0xed, 0x95, 0xf5, 0x67, 0xf4, 0xab, 0x7f, 0x06, 0x00, 0x00,
+	0xff, 0xff, 0xde, 0xfe, 0xf6, 0xf0, 0xe0, 0x0b, 0x00, 0x00,
 }
 
 func (this *MsgCreatePool) Equal(that interface{}) bool {
@@ -907,11 +1016,15 @@ type MsgClient interface {
 	AdjustPool(ctx context.Context, in *MsgAdjustPool, opts ...grpc.CallOption) (*MsgAdjustPoolResponse, error)
 	// Stake defines a method for staking some lp token to a farm pool
 	Stake(ctx context.Context, in *MsgStake, opts ...grpc.CallOption) (*MsgStakeResponse, error)
-	// Unstake defines a method for unstaking some lp token from a farm pool and
-	// withdraw some reward
+	// Unstake defines a method for unstaking some lp token from a farm pool and withdraw some reward
 	Unstake(ctx context.Context, in *MsgUnstake, opts ...grpc.CallOption) (*MsgUnstakeResponse, error)
 	// Harvest defines a method withdraw some reward from a farm pool
 	Harvest(ctx context.Context, in *MsgHarvest, opts ...grpc.CallOption) (*MsgHarvestResponse, error)
+	// UpdateParams defines a governance operation for updating the x/coinswap module parameters.
+	// The authority is defined in the keeper.
+	//
+	// Since: cosmos-sdk 0.47
+	UpdateParams(ctx context.Context, in *MsgUpdateParams, opts ...grpc.CallOption) (*MsgUpdateParamsResponse, error)
 }
 
 type msgClient struct {
@@ -985,6 +1098,15 @@ func (c *msgClient) Harvest(ctx context.Context, in *MsgHarvest, opts ...grpc.Ca
 	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, "/irismod.farm.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 {
 	// CreatePool defines a method for creating a new farm pool
@@ -997,11 +1119,15 @@ type MsgServer interface {
 	AdjustPool(context.Context, *MsgAdjustPool) (*MsgAdjustPoolResponse, error)
 	// Stake defines a method for staking some lp token to a farm pool
 	Stake(context.Context, *MsgStake) (*MsgStakeResponse, error)
-	// Unstake defines a method for unstaking some lp token from a farm pool and
-	// withdraw some reward
+	// Unstake defines a method for unstaking some lp token from a farm pool and withdraw some reward
 	Unstake(context.Context, *MsgUnstake) (*MsgUnstakeResponse, error)
 	// Harvest defines a method withdraw some reward from a farm pool
 	Harvest(context.Context, *MsgHarvest) (*MsgHarvestResponse, error)
+	// UpdateParams defines a governance operation for updating the x/coinswap module parameters.
+	// The authority is defined in the keeper.
+	//
+	// Since: cosmos-sdk 0.47
+	UpdateParams(context.Context, *MsgUpdateParams) (*MsgUpdateParamsResponse, error)
 }
 
 // UnimplementedMsgServer can be embedded to have forward compatible implementations.
@@ -1029,6 +1155,9 @@ func (*UnimplementedMsgServer) Unstake(ctx context.Context, req *MsgUnstake) (*M
 func (*UnimplementedMsgServer) Harvest(ctx context.Context, req *MsgHarvest) (*MsgHarvestResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Harvest 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)
@@ -1160,6 +1289,24 @@ func _Msg_Harvest_Handler(srv interface{}, ctx context.Context, dec func(interfa
 	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: "/irismod.farm.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: "irismod.farm.Msg",
 	HandlerType: (*MsgServer)(nil),
@@ -1192,6 +1339,10 @@ var _Msg_serviceDesc = grpc.ServiceDesc{
 			MethodName: "Harvest",
 			Handler:    _Msg_Harvest_Handler,
 		},
+		{
+			MethodName: "UpdateParams",
+			Handler:    _Msg_UpdateParams_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "farm/tx.proto",
@@ -1774,6 +1925,69 @@ func (m *MsgHarvestResponse) 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
@@ -2027,6 +2241,30 @@ func (m *MsgHarvestResponse) 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
 }
@@ -3591,6 +3829,171 @@ func (m *MsgHarvestResponse) 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
diff --git a/proto/farm/farm.proto b/proto/farm/farm.proto
index f3c47790..bc261bf4 100644
--- a/proto/farm/farm.proto
+++ b/proto/farm/farm.proto
@@ -7,6 +7,7 @@ import "gogoproto/gogo.proto";
 option go_package = "github.com/irisnet/irismod/modules/farm/types";
 option (gogoproto.goproto_getters_all) = false;
 
+// FarmPool defines the properties of farm pool
 message FarmPool {
   option (gogoproto.equal) = true;
 
@@ -24,6 +25,7 @@ message FarmPool {
   repeated RewardRule rules = 9 [ (gogoproto.nullable) = false ];
 }
 
+// RewardRule defines the properties of farm pool reward
 message RewardRule {
   option (gogoproto.equal) = true;
 
@@ -46,6 +48,7 @@ message RewardRule {
   ];
 }
 
+// FarmInfo records the current information of the farm pool
 message FarmInfo {
   option (gogoproto.equal) = true;
 
@@ -61,6 +64,7 @@ message FarmInfo {
   ];
 }
 
+// Params records the current params information of the farm pool
 message Params {
   cosmos.base.v1beta1.Coin pool_creation_fee = 1 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Coin",
@@ -73,6 +77,7 @@ message Params {
   ];
 }
 
+// EscrowInfo create delegate information for farm pool proposals
 message EscrowInfo {
   option (gogoproto.equal) = true;
 
@@ -84,8 +89,7 @@ message EscrowInfo {
   uint64 proposal_id = 4;
 }
 
-// CommunityPoolCreateFarmProposal is a gov Content type for creating a farm
-// pool with community pool
+// CommunityPoolCreateFarmProposal is a gov Content type for creating a farm pool with community pool
 message CommunityPoolCreateFarmProposal {
   option (gogoproto.equal) = true;
   option (gogoproto.goproto_stringer) = false;
diff --git a/proto/farm/genesis.proto b/proto/farm/genesis.proto
index 58e04602..271b5a91 100644
--- a/proto/farm/genesis.proto
+++ b/proto/farm/genesis.proto
@@ -6,6 +6,7 @@ import "farm/farm.proto";
 
 option go_package = "github.com/irisnet/irismod/modules/farm/types";
 
+// GenesisState defines the genesis information exported by the farm module
 message GenesisState {
   Params params = 1 [ (gogoproto.nullable) = false ];
   repeated FarmPool pools = 2 [ (gogoproto.nullable) = false ];
diff --git a/proto/farm/query.proto b/proto/farm/query.proto
index ffcb24f4..40f0d64e 100644
--- a/proto/farm/query.proto
+++ b/proto/farm/query.proto
@@ -9,29 +9,35 @@ import "farm/farm.proto";
 
 option go_package = "github.com/irisnet/irismod/modules/farm/types";
 
+// Query creates service with farm as rpc
 service Query {
+  // FarmPools returns all the farm pool
   rpc FarmPools(QueryFarmPoolsRequest) returns (QueryFarmPoolsResponse) {
     option (google.api.http).get = "/irismod/farm/pools";
   }
 
+  // FarmPool returns the farm pool for the provided id
   rpc FarmPool(QueryFarmPoolRequest) returns (QueryFarmPoolResponse) {
     option (google.api.http).get = "/irismod/farm/pool/{id}";
   }
 
+  // Farmer returns the farmer for the provided farmer address
   rpc Farmer(QueryFarmerRequest) returns (QueryFarmerResponse) {
     option (google.api.http).get = "/irismod/farm/farmers/{farmer}";
   }
 
-  // Params queries the htlc parameters
+  // Params queries the farm parameters
   rpc Params(QueryParamsRequest) returns (QueryParamsResponse) {
     option (google.api.http).get = "/irismod/farm/params";
   }
 }
 
+// QueryFarmPoolsRequest is request type for the Query/FarmPools RPC method
 message QueryFarmPoolsRequest {
   cosmos.base.query.v1beta1.PageRequest pagination = 3;
 }
 
+// FarmPoolEntry defines the properties of farm pool
 message FarmPoolEntry {
   string id = 1;
   string creator = 2;
@@ -58,30 +64,40 @@ message FarmPoolEntry {
   ];
 }
 
+// QueryFarmPoolsResponse is response type for the Query/FarmPools RPC method
 message QueryFarmPoolsResponse {
   repeated FarmPoolEntry pools = 1;
   cosmos.base.query.v1beta1.PageResponse pagination = 2;
 }
 
+// QueryFarmPoolsRequest is request type for the Query/FarmPool RPC method
 message QueryFarmPoolRequest { string id = 1; }
+
+// QueryFarmPoolResponse is response type for the Query/FarmPool RPC method
 message QueryFarmPoolResponse { FarmPoolEntry pool = 1; }
 
+
+// QueryFarmerRequest is request type for the Query/Farmer RPC method
 message QueryFarmerRequest {
   string farmer = 1;
   string pool_id = 2;
 }
 
+// QueryFarmerResponse is response type for the Query/Farmer RPC method
 message QueryFarmerResponse {
   repeated LockedInfo list = 1;
   int64 height = 2;
 }
 
+// QueryParamsRequest is request type for the Query/Params RPC method
 message QueryParamsRequest {}
 
+// QueryParamsResponse is response type for the Query/Params RPC method
 message QueryParamsResponse {
   Params params = 1 [ (gogoproto.nullable) = false ];
 }
 
+// LockedInfo defines the information of the farmer's current pledge
 message LockedInfo {
   string pool_id = 1;
   cosmos.base.v1beta1.Coin locked = 2 [
diff --git a/proto/farm/tx.proto b/proto/farm/tx.proto
index 256e05c0..0514f80b 100644
--- a/proto/farm/tx.proto
+++ b/proto/farm/tx.proto
@@ -2,6 +2,8 @@ syntax = "proto3";
 package irismod.farm;
 
 import "cosmos/base/v1beta1/coin.proto";
+import "cosmos/msg/v1/msg.proto";
+import "cosmos_proto/cosmos.proto";
 import "gogoproto/gogo.proto";
 import "farm/farm.proto";
 
@@ -26,14 +28,20 @@ service Msg {
   // Stake defines a method for staking some lp token to a farm pool
   rpc Stake(MsgStake) returns (MsgStakeResponse);
 
-  // Unstake defines a method for unstaking some lp token from a farm pool and
-  // withdraw some reward
+  // Unstake defines a method for unstaking some lp token from a farm pool and withdraw some reward
   rpc Unstake(MsgUnstake) returns (MsgUnstakeResponse);
 
   // Harvest defines a method withdraw some reward from a farm pool
   rpc Harvest(MsgHarvest) returns (MsgHarvestResponse);
+
+  // UpdateParams defines a governance operation for updating the x/coinswap module parameters.
+  // The authority is defined in the keeper.
+  //
+  // Since: cosmos-sdk 0.47
+  rpc UpdateParams(MsgUpdateParams) returns (MsgUpdateParamsResponse);
 }
 
+// MsgCreatePool defines a msg for creating a new farm pool
 message MsgCreatePool {
   option (gogoproto.equal) = true;
 
@@ -52,18 +60,19 @@ message MsgCreatePool {
   string creator = 7;
 }
 
+// MsgCreatePoolWithCommunityPool defines a msg for creating a new farm pool by proposal
 message MsgCreatePoolWithCommunityPool {
   option (gogoproto.equal) = true;
 
   CommunityPoolCreateFarmProposal content = 1 [ (gogoproto.nullable) = false ];
   repeated cosmos.base.v1beta1.Coin initial_deposit = 2 [
     (gogoproto.nullable) = false,
-    (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
-    (gogoproto.moretags) = "yaml:\"initial_deposit\""
+    (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"
   ];
   string proposer = 3;
 }
 
+// MsgDestroyPool defines a msg for destroying a existed farm pool
 message MsgDestroyPool {
   option (gogoproto.equal) = true;
 
@@ -71,6 +80,7 @@ message MsgDestroyPool {
   string creator = 2;
 }
 
+// MsgAdjustPool defines a msg for adjusting the farm pool params
 message MsgAdjustPool {
   option (gogoproto.equal) = true;
 
@@ -86,6 +96,7 @@ message MsgAdjustPool {
   string creator = 4;
 }
 
+// MsgStake defines a msg for staking some lp token to a farm pool
 message MsgStake {
   option (gogoproto.equal) = true;
 
@@ -97,6 +108,7 @@ message MsgStake {
   string sender = 3;
 }
 
+// MsgUnstake defines a msg for unstaking some lp token from a farm pool and withdraw some reward
 message MsgUnstake {
   option (gogoproto.equal) = true;
 
@@ -108,6 +120,7 @@ message MsgUnstake {
   string sender = 3;
 }
 
+// MsgHarvest defines a msg withdraw some reward from a farm pool
 message MsgHarvest {
   option (gogoproto.equal) = true;
 
@@ -115,25 +128,59 @@ message MsgHarvest {
   string sender = 2;
 }
 
+// MsgCreatePoolResponse defines the Msg/CreatePool response type
 message MsgCreatePoolResponse {}
+
+// MsgCreatePoolWithCommunityPoolResponse defines the Msg/CreatePoolWithCommunityPool response type
 message MsgCreatePoolWithCommunityPoolResponse {}
+
+// MsgDestroyPoolResponse defines the Msg/DestroyPool response type
 message MsgDestroyPoolResponse {}
+
+// MsgAdjustPoolResponse defines the Msg/AdjustPool response type
 message MsgAdjustPoolResponse {}
+
+// MsgStakeResponse defines the Msg/Stake response type
 message MsgStakeResponse {
   repeated cosmos.base.v1beta1.Coin reward = 2 [
     (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
     (gogoproto.nullable) = false
   ];
 }
+
+// MsgUnstakeResponse defines the Msg/Unstake response type
 message MsgUnstakeResponse {
   repeated cosmos.base.v1beta1.Coin reward = 2 [
     (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
     (gogoproto.nullable) = false
   ];
 }
+
+// MsgHarvestResponse defines the Msg/Harvest response type
 message MsgHarvestResponse {
   repeated cosmos.base.v1beta1.Coin reward = 2 [
     (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
     (gogoproto.nullable) = false
   ];
-}
\ No newline at end of file
+}
+
+// MsgUpdateParams is the Msg/UpdateParams request type.
+//
+// Since: cosmos-sdk 0.47
+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/coinswap 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.
+//
+// Since: cosmos-sdk 0.47
+message MsgUpdateParamsResponse {}
\ No newline at end of file

From 71ee40897cd8f7f153a2492ff6a453888af3de50 Mon Sep 17 00:00:00 2001
From: Dreamer <745124335@qq.com>
Date: Mon, 12 Jun 2023 14:46:08 +0800
Subject: [PATCH 2/9] add migrate function for farm module

---
 modules/coinswap/keeper/params.go             |  3 +-
 modules/farm/exported/exported.go             | 23 +++++++++
 modules/farm/keeper/keeper.go                 |  3 +-
 modules/farm/keeper/migrations.go             | 19 +++++--
 modules/farm/keeper/msg_server.go             | 42 ++++++++--------
 modules/farm/keeper/params.go                 | 49 ++++++++++++-------
 .../farm/migarations/{v152 => v2}/migrate.go  | 17 +++++--
 modules/farm/migarations/v3/migrate.go        | 20 ++++++++
 modules/farm/module.go                        | 18 +++++--
 modules/farm/types/keys.go                    |  5 +-
 simapp/app.go                                 |  9 +++-
 11 files changed, 148 insertions(+), 60 deletions(-)
 create mode 100644 modules/farm/exported/exported.go
 rename modules/farm/migarations/{v152 => v2}/migrate.go (82%)
 create mode 100644 modules/farm/migarations/v3/migrate.go

diff --git a/modules/coinswap/keeper/params.go b/modules/coinswap/keeper/params.go
index f007358b..455d861c 100644
--- a/modules/coinswap/keeper/params.go
+++ b/modules/coinswap/keeper/params.go
@@ -6,7 +6,7 @@ import (
 	"github.com/irisnet/irismod/modules/coinswap/types"
 )
 
-// GetParams sets the x/staking module parameters.
+// GetParams sets the coinswap module parameters.
 func (k Keeper) GetParams(ctx sdk.Context) (params types.Params) {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get([]byte(types.ParamsKey))
@@ -19,7 +19,6 @@ func (k Keeper) GetParams(ctx sdk.Context) (params types.Params) {
 }
 
 // SetParams sets the parameters for the coinswap module.
-// SetParams sets the x/staking module parameters.
 func (k Keeper) SetParams(ctx sdk.Context, params types.Params) error {
 	if err := params.Validate(); err != nil {
 		return err
diff --git a/modules/farm/exported/exported.go b/modules/farm/exported/exported.go
new file mode 100644
index 00000000..e8a61790
--- /dev/null
+++ b/modules/farm/exported/exported.go
@@ -0,0 +1,23 @@
+package exported
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
+)
+
+var (
+	NewParamSetPair = paramtypes.NewParamSetPair
+)
+
+type (
+	ParamSet      = paramtypes.ParamSet
+	ParamSetPairs = paramtypes.ParamSetPairs
+
+	// Subspace defines an interface that implements the legacy x/params Subspace
+	// type.
+	//
+	// NOTE: This is used solely for migration of x/params managed parameters.
+	Subspace interface {
+		GetParamSet(ctx sdk.Context, ps ParamSet)
+	}
+)
diff --git a/modules/farm/keeper/keeper.go b/modules/farm/keeper/keeper.go
index 41472915..cca9990b 100644
--- a/modules/farm/keeper/keeper.go
+++ b/modules/farm/keeper/keeper.go
@@ -36,7 +36,7 @@ func NewKeeper(
 	gk types.GovKeeper,
 	validateLPToken types.ValidateLPToken,
 	paramSpace paramstypes.Subspace,
-	feeCollectorName, communityPoolName string,
+	feeCollectorName, communityPoolName, authority string,
 ) Keeper {
 	// set KeyTable if it has not already been set
 	if !paramSpace.HasKeyTable() {
@@ -63,6 +63,7 @@ func NewKeeper(
 		paramSpace:        paramSpace,
 		feeCollectorName:  feeCollectorName,
 		communityPoolName: communityPoolName,
+		authority:         authority,
 	}
 }
 
diff --git a/modules/farm/keeper/migrations.go b/modules/farm/keeper/migrations.go
index f30a4b41..90c0a254 100644
--- a/modules/farm/keeper/migrations.go
+++ b/modules/farm/keeper/migrations.go
@@ -2,20 +2,29 @@ package keeper
 
 import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	v152 "github.com/irisnet/irismod/modules/farm/migarations/v152"
+
+	"github.com/irisnet/irismod/modules/farm/exported"
+	v2 "github.com/irisnet/irismod/modules/farm/migarations/v2"
+	v3 "github.com/irisnet/irismod/modules/farm/migarations/v3"
 )
 
 // Migrator is a struct for handling in-place store migrations.
 type Migrator struct {
-	k Keeper
+	k              Keeper
+	legacySubspace exported.Subspace
 }
 
 // NewMigrator returns a new Migrator.
-func NewMigrator(k Keeper) Migrator {
-	return Migrator{k: k}
+func NewMigrator(k Keeper, legacySubspace exported.Subspace) Migrator {
+	return Migrator{k: k, legacySubspace: legacySubspace}
 }
 
 // Migrate1to2 migrates from version 1 to 2.
 func (m Migrator) Migrate1to2(ctx sdk.Context) error {
-	return v152.Migrate(ctx, m.k, m.k.ak, m.k.paramSpace)
+	return v2.Migrate(ctx, m.k, m.k.ak, m.k.paramSpace)
+}
+
+// Migrate1to2 migrates from version 2 to 3.
+func (m Migrator) Migrate2to3(ctx sdk.Context) error {
+	return v3.Migrate(ctx, m.k, m.k.paramSpace)
 }
diff --git a/modules/farm/keeper/msg_server.go b/modules/farm/keeper/msg_server.go
index 10e9eded..6bf5aa0a 100644
--- a/modules/farm/keeper/msg_server.go
+++ b/modules/farm/keeper/msg_server.go
@@ -13,7 +13,7 @@ import (
 )
 
 type msgServer struct {
-	Keeper
+	k Keeper
 }
 
 var _ types.MsgServer = msgServer{}
@@ -21,7 +21,7 @@ var _ types.MsgServer = msgServer{}
 // NewMsgServerImpl returns an implementation of the farm MsgServer interface
 // for the provided Keeper.
 func NewMsgServerImpl(keeper Keeper) types.MsgServer {
-	return &msgServer{Keeper: keeper}
+	return &msgServer{k: keeper}
 }
 
 func (m msgServer) CreatePool(
@@ -43,7 +43,7 @@ func (m msgServer) CreatePool(
 		)
 	}
 
-	if maxRewardCategories := m.Keeper.MaxRewardCategories(ctx); uint32(
+	if maxRewardCategories := m.k.MaxRewardCategories(ctx); uint32(
 		len(msg.TotalReward),
 	) > maxRewardCategories {
 		return nil, sdkerrors.Wrapf(
@@ -54,14 +54,14 @@ func (m msgServer) CreatePool(
 	}
 
 	//check valid lp token denom
-	if err := m.Keeper.validateLPToken(ctx, msg.LptDenom); err != nil {
+	if err := m.k.validateLPToken(ctx, msg.LptDenom); err != nil {
 		return nil, sdkerrors.Wrapf(
 			types.ErrInvalidLPToken,
 			"The lp token denom[%s] is not exist",
 			msg.LptDenom,
 		)
 	}
-	pool, err := m.Keeper.CreatePool(
+	pool, err := m.k.CreatePool(
 		ctx,
 		msg.Description,
 		msg.LptDenom,
@@ -101,7 +101,7 @@ func (m msgServer) CreatePoolWithCommunityPool(
 
 	ctx := sdk.UnwrapSDKContext(goCtx)
 	totalReward := sdk.NewCoins(msg.Content.FundApplied...).Add(msg.Content.FundSelfBond...)
-	maxRewardCategories := m.Keeper.MaxRewardCategories(ctx)
+	maxRewardCategories := m.k.MaxRewardCategories(ctx)
 	if uint32(len(totalReward)) > maxRewardCategories {
 		return nil, sdkerrors.Wrapf(
 			types.ErrInvalidRewardRule,
@@ -111,7 +111,7 @@ func (m msgServer) CreatePoolWithCommunityPool(
 	}
 
 	//check valid lp token denom
-	if err := m.Keeper.validateLPToken(ctx, msg.Content.LptDenom); err != nil {
+	if err := m.k.validateLPToken(ctx, msg.Content.LptDenom); err != nil {
 		return nil, sdkerrors.Wrapf(
 			types.ErrInvalidLPToken,
 			"The lp token denom[%s] is not exist",
@@ -120,13 +120,13 @@ func (m msgServer) CreatePoolWithCommunityPool(
 	}
 
 	//escrow FundSelfBond to EscrowCollector
-	if err := m.bk.SendCoinsFromAccountToModule(ctx,
+	if err := m.k.bk.SendCoinsFromAccountToModule(ctx,
 		proposer, types.EscrowCollector, msg.Content.FundSelfBond); err != nil {
 		return nil, err
 	}
 
 	//escrow FundApplied to EscrowCollector
-	if err := m.escrowFromFeePool(ctx, msg.Content.FundApplied); err != nil {
+	if err := m.k.escrowFromFeePool(ctx, msg.Content.FundApplied); err != nil {
 		return nil, err
 	}
 
@@ -138,24 +138,24 @@ func (m msgServer) CreatePoolWithCommunityPool(
 	msgs := []sdk.Msg{
 		&govv1.MsgExecLegacyContent{
 			Content:   data,
-			Authority: m.gk.GetGovernanceAccount(ctx).GetAddress().String(),
+			Authority: m.k.gk.GetGovernanceAccount(ctx).GetAddress().String(),
 		},
 	}
 
 	//create new proposal given a content
-	proposal, err := m.gk.SubmitProposal(ctx, msgs, "")
+	proposal, err := m.k.gk.SubmitProposal(ctx, msgs, "")
 	if err != nil {
 		return nil, err
 	}
 
 	// adds a deposit of a specific depositor on a specific proposal
-	_, err = m.gk.AddDeposit(ctx, proposal.Id, proposer, msg.InitialDeposit)
+	_, err = m.k.gk.AddDeposit(ctx, proposal.Id, proposer, msg.InitialDeposit)
 	if err != nil {
 		return nil, err
 	}
 
 	// add a escrowInfo to the proposal
-	m.SetEscrowInfo(ctx, types.EscrowInfo{
+	m.k.SetEscrowInfo(ctx, types.EscrowInfo{
 		Proposer:     msg.Proposer,
 		FundApplied:  msg.Content.FundApplied,
 		FundSelfBond: msg.Content.FundSelfBond,
@@ -187,7 +187,7 @@ func (m msgServer) DestroyPool(
 
 	ctx := sdk.UnwrapSDKContext(goCtx)
 
-	refundCoin, err := m.Keeper.DestroyPool(ctx, msg.PoolId, creator)
+	refundCoin, err := m.k.DestroyPool(ctx, msg.PoolId, creator)
 	if err != nil {
 		return nil, err
 	}
@@ -217,7 +217,7 @@ func (m msgServer) AdjustPool(
 	}
 
 	ctx := sdk.UnwrapSDKContext(goCtx)
-	if err = m.Keeper.AdjustPool(
+	if err = m.k.AdjustPool(
 		ctx,
 		msg.PoolId,
 		msg.AdditionalReward,
@@ -251,7 +251,7 @@ func (m msgServer) Stake(
 	}
 
 	ctx := sdk.UnwrapSDKContext(goCtx)
-	reward, err := m.Keeper.Stake(ctx, msg.PoolId, msg.Amount, sender)
+	reward, err := m.k.Stake(ctx, msg.PoolId, msg.Amount, sender)
 	if err != nil {
 		return nil, err
 	}
@@ -282,7 +282,7 @@ func (m msgServer) Unstake(
 	}
 
 	ctx := sdk.UnwrapSDKContext(goCtx)
-	reward, err := m.Keeper.Unstake(ctx, msg.PoolId, msg.Amount, sender)
+	reward, err := m.k.Unstake(ctx, msg.PoolId, msg.Amount, sender)
 	if err != nil {
 		return nil, err
 	}
@@ -313,7 +313,7 @@ func (m msgServer) Harvest(
 	}
 
 	ctx := sdk.UnwrapSDKContext(goCtx)
-	reward, err := m.Keeper.Harvest(ctx, msg.PoolId, sender)
+	reward, err := m.k.Harvest(ctx, msg.PoolId, sender)
 	if err != nil {
 		return nil, err
 	}
@@ -337,16 +337,16 @@ func (m msgServer) UpdateParams(
 	goCtx context.Context,
 	msg *types.MsgUpdateParams,
 ) (*types.MsgUpdateParamsResponse, error) {
-	if m.authority != msg.Authority {
+	if m.k.authority != msg.Authority {
 		return nil, sdkerrors.Wrapf(
 			sdkerrors.ErrUnauthorized,
 			"invalid authority; expected %s, got %s",
-			m.authority,
+			m.k.authority,
 			msg.Authority,
 		)
 	}
 
 	ctx := sdk.UnwrapSDKContext(goCtx)
-	m.SetParams(ctx, msg.Params)
+	m.k.SetParams(ctx, msg.Params)
 	return &types.MsgUpdateParamsResponse{}, nil
 }
diff --git a/modules/farm/keeper/params.go b/modules/farm/keeper/params.go
index dfe0f5b1..21815581 100644
--- a/modules/farm/keeper/params.go
+++ b/modules/farm/keeper/params.go
@@ -13,33 +13,44 @@ func ParamKeyTable() paramstypes.KeyTable {
 }
 
 // CreatePoolFee returns the create pool fee
-func (k Keeper) CreatePoolFee(ctx sdk.Context) (fee sdk.Coin) {
-	k.paramSpace.Get(ctx, types.KeyPoolCreationFee, &fee)
-	return
+func (k Keeper) CreatePoolFee(ctx sdk.Context) sdk.Coin {
+	return k.GetParams(ctx).PoolCreationFee
 }
 
 // MaxRewardCategories returns the maxRewardCategories
-func (k Keeper) MaxRewardCategories(ctx sdk.Context) (maxRewardCategories uint32) {
-	k.paramSpace.Get(ctx, types.KeyMaxRewardCategories, &maxRewardCategories)
-	return
+func (k Keeper) MaxRewardCategories(ctx sdk.Context) uint32 {
+	return k.GetParams(ctx).MaxRewardCategories
 }
 
 // MaxRewardCategories returns the maxRewardCategories
-func (k Keeper) TaxRate(ctx sdk.Context) (taxRate sdk.Dec) {
-	k.paramSpace.Get(ctx, types.KeyTaxRate, &taxRate)
-	return
+func (k Keeper) TaxRate(ctx sdk.Context) sdk.Dec {
+	return k.GetParams(ctx).TaxRate
 }
 
-// SetParams sets the params to the store
-func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
-	k.paramSpace.SetParamSet(ctx, &params)
+// GetParams sets the farm module parameters.
+func (k Keeper) GetParams(ctx sdk.Context) (params types.Params) {
+	store := ctx.KVStore(k.storeKey)
+	bz := store.Get([]byte(types.ParamsKey))
+	if bz == nil {
+		return params
+	}
+
+	k.cdc.MustUnmarshal(bz, &params)
+	return params
 }
 
-// GetParams gets all parameteras as types.Params
-func (k Keeper) GetParams(ctx sdk.Context) types.Params {
-	return types.NewParams(
-		k.CreatePoolFee(ctx),
-		k.MaxRewardCategories(ctx),
-		k.TaxRate(ctx),
-	)
+// SetParams sets the farm module parameters.
+func (k Keeper) SetParams(ctx sdk.Context, params types.Params) error {
+	if err := params.Validate(); err != nil {
+		return err
+	}
+
+	store := ctx.KVStore(k.storeKey)
+	bz, err := k.cdc.Marshal(&params)
+	if err != nil {
+		return err
+	}
+	store.Set([]byte(types.ParamsKey), bz)
+
+	return nil
 }
diff --git a/modules/farm/migarations/v152/migrate.go b/modules/farm/migarations/v2/migrate.go
similarity index 82%
rename from modules/farm/migarations/v152/migrate.go
rename to modules/farm/migarations/v2/migrate.go
index 535f0f90..34101e9e 100644
--- a/modules/farm/migarations/v152/migrate.go
+++ b/modules/farm/migarations/v2/migrate.go
@@ -17,24 +17,31 @@ var (
 
 type (
 	FarmKeeper interface {
-		SetParams(ctx sdk.Context, params types.Params)
+		SetParams(ctx sdk.Context, params types.Params) error
 	}
 
 	Params struct {
 		PoolCreationFee     sdk.Coin `protobuf:"bytes,1,opt,name=pool_creation_fee,json=poolCreationFee,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Coin" json:"pool_creation_fee"`
-		MaxRewardCategories uint32   `protobuf:"varint,2,opt,name=max_reward_categories,json=maxRewardCategories,proto3" json:"max_reward_categories,omitempty"`
-		TaxRate             sdk.Dec  `protobuf:"bytes,3,opt,name=tax_rate,json=taxRate,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Dec" json:"tax_rate"`
+		MaxRewardCategories uint32   `protobuf:"varint,2,opt,name=max_reward_categories,json=maxRewardCategories,proto3"                                           json:"max_reward_categories,omitempty"`
+		TaxRate             sdk.Dec  `protobuf:"bytes,3,opt,name=tax_rate,json=taxRate,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Dec"                   json:"tax_rate"`
 	}
 )
 
-func Migrate(ctx sdk.Context, k FarmKeeper, ak types.AccountKeeper, paramSpace paramstypes.Subspace) error {
+func Migrate(
+	ctx sdk.Context,
+	k FarmKeeper,
+	ak types.AccountKeeper,
+	paramSpace paramstypes.Subspace,
+) error {
 	params := GetLegacyParams(ctx, paramSpace)
 	newParams := types.Params{
 		MaxRewardCategories: params.MaxRewardCategories,
 		PoolCreationFee:     DefaultPoolCreationFee,
 		TaxRate:             DefaultTaxRate,
 	}
-	k.SetParams(ctx, newParams)
+	if err := k.SetParams(ctx, newParams); err != nil {
+		return err
+	}
 
 	//Grant burner permissions to the farm module account
 	acc := ak.GetModuleAccount(ctx, types.ModuleName)
diff --git a/modules/farm/migarations/v3/migrate.go b/modules/farm/migarations/v3/migrate.go
new file mode 100644
index 00000000..11a08b26
--- /dev/null
+++ b/modules/farm/migarations/v3/migrate.go
@@ -0,0 +1,20 @@
+package v3
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/irisnet/irismod/modules/farm/exported"
+	"github.com/irisnet/irismod/modules/farm/types"
+)
+
+// FarmKeeper defines a interface for SetParams function
+type FarmKeeper interface {
+	SetParams(ctx sdk.Context, params types.Params) error
+}
+
+// Migrate migrate the coinswap params from legacy x/params module to coinswap module
+func Migrate(ctx sdk.Context, k FarmKeeper, legacySubspace exported.Subspace) error {
+	var params types.Params
+	legacySubspace.GetParamSet(ctx, &params)
+	return k.SetParams(ctx, params)
+}
diff --git a/modules/farm/module.go b/modules/farm/module.go
index 05ebe2e9..801e95a4 100644
--- a/modules/farm/module.go
+++ b/modules/farm/module.go
@@ -19,6 +19,7 @@ import (
 	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
 
 	"github.com/irisnet/irismod/modules/farm/client/cli"
+	"github.com/irisnet/irismod/modules/farm/exported"
 	"github.com/irisnet/irismod/modules/farm/keeper"
 	"github.com/irisnet/irismod/modules/farm/simulation"
 	"github.com/irisnet/irismod/modules/farm/types"
@@ -94,9 +95,10 @@ func (AppModuleBasic) RegisterInterfaces(registry codectypes.InterfaceRegistry)
 type AppModule struct {
 	AppModuleBasic
 
-	keeper        keeper.Keeper
-	accountKeeper types.AccountKeeper
-	bankKeeper    types.BankKeeper
+	keeper         keeper.Keeper
+	accountKeeper  types.AccountKeeper
+	bankKeeper     types.BankKeeper
+	legacySubspace exported.Subspace
 }
 
 // NewAppModule creates a new AppModule object
@@ -105,12 +107,14 @@ func NewAppModule(
 	keeper keeper.Keeper,
 	accountKeeper types.AccountKeeper,
 	bankKeeper types.BankKeeper,
+	legacySubspace exported.Subspace,
 ) AppModule {
 	return AppModule{
 		AppModuleBasic: AppModuleBasic{cdc: cdc},
 		keeper:         keeper,
 		accountKeeper:  accountKeeper,
 		bankKeeper:     bankKeeper,
+		legacySubspace: legacySubspace,
 	}
 }
 
@@ -122,10 +126,14 @@ func (am AppModule) RegisterServices(cfg module.Configurator) {
 	types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
 	types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
 
-	m := keeper.NewMigrator(am.keeper)
+	m := keeper.NewMigrator(am.keeper, am.legacySubspace)
 	if err := cfg.RegisterMigration(types.ModuleName, 1, m.Migrate1to2); err != nil {
 		panic(err)
 	}
+
+	if err := cfg.RegisterMigration(types.ModuleName, 2, m.Migrate2to3); err != nil {
+		panic(err)
+	}
 }
 
 // RegisterInvariants registers the farm module invariants.
@@ -153,7 +161,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 }
 
 // ConsensusVersion implements AppModule/ConsensusVersion.
-func (AppModule) ConsensusVersion() uint64 { return 2 }
+func (AppModule) ConsensusVersion() uint64 { return 3 }
 
 // BeginBlock performs a no-op.
 func (am AppModule) BeginBlock(ctx sdk.Context, _ abci.RequestBeginBlock) {}
diff --git a/modules/farm/types/keys.go b/modules/farm/types/keys.go
index c5279181..7a9d33ee 100644
--- a/modules/farm/types/keys.go
+++ b/modules/farm/types/keys.go
@@ -37,6 +37,7 @@ var (
 	FarmPoolSeq       = []byte{0x05}
 	FarmPoolKey       = []byte{0x06} // key for farm pool
 	EscrowInfoKey     = []byte{0x07}
+	ParamsKey         = []byte{0x08}
 )
 
 func KeyFarmPool(poolId string) []byte {
@@ -66,7 +67,9 @@ func PrefixFarmInfo(address string) []byte {
 }
 
 func KeyActiveFarmPool(height int64, poolId string) []byte {
-	return append(append(ActiveFarmPoolKey, sdk.Uint64ToBigEndian(uint64(height))...), []byte(poolId)...)
+	return append(
+		append(ActiveFarmPoolKey, sdk.Uint64ToBigEndian(uint64(height))...),
+		[]byte(poolId)...)
 }
 
 func PrefixActiveFarmPool(height int64) []byte {
diff --git a/simapp/app.go b/simapp/app.go
index 32781512..8063b751 100644
--- a/simapp/app.go
+++ b/simapp/app.go
@@ -497,6 +497,7 @@ func NewSimApp(
 		app.GetSubspace(farmtypes.ModuleName),
 		authtypes.FeeCollectorName,
 		distrtypes.ModuleName,
+		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
 	)
 
 	// register the proposal types
@@ -631,7 +632,13 @@ func NewSimApp(
 		service.NewAppModule(appCodec, app.ServiceKeeper, app.AccountKeeper, app.BankKeeper),
 		oracle.NewAppModule(appCodec, app.OracleKeeper, app.AccountKeeper, app.BankKeeper),
 		random.NewAppModule(appCodec, app.RandomKeeper, app.AccountKeeper, app.BankKeeper),
-		farm.NewAppModule(appCodec, app.FarmKeeper, app.AccountKeeper, app.BankKeeper),
+		farm.NewAppModule(
+			appCodec,
+			app.FarmKeeper,
+			app.AccountKeeper,
+			app.BankKeeper,
+			app.GetSubspace(coinswaptypes.ModuleName),
+		),
 		consensus.NewAppModule(appCodec, app.ConsensusParamsKeeper),
 	)
 

From d5e7cdbd30e88ccb07ae043cc524b294830a58a3 Mon Sep 17 00:00:00 2001
From: Dreamer <745124335@qq.com>
Date: Mon, 12 Jun 2023 14:56:42 +0800
Subject: [PATCH 3/9] refactor code

---
 modules/farm/keeper/keeper.go          |  9 -------
 modules/farm/keeper/migrations.go      |  4 +--
 modules/farm/keeper/params.go          |  6 -----
 modules/farm/migarations/v2/migrate.go | 18 ++++++-------
 modules/farm/types/legacy_params.go    | 35 ++++++++++++++++++++++++++
 modules/farm/types/params.go           | 18 -------------
 simapp/app.go                          |  3 +--
 7 files changed, 47 insertions(+), 46 deletions(-)
 create mode 100644 modules/farm/types/legacy_params.go

diff --git a/modules/farm/keeper/keeper.go b/modules/farm/keeper/keeper.go
index cca9990b..51d8eeea 100644
--- a/modules/farm/keeper/keeper.go
+++ b/modules/farm/keeper/keeper.go
@@ -8,7 +8,6 @@ import (
 	"github.com/cosmos/cosmos-sdk/codec"
 	storetypes "github.com/cosmos/cosmos-sdk/store/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
 
 	"github.com/irisnet/irismod/modules/farm/types"
 )
@@ -17,7 +16,6 @@ import (
 type Keeper struct {
 	cdc                                 codec.Codec
 	storeKey                            storetypes.StoreKey
-	paramSpace                          paramstypes.Subspace
 	validateLPToken                     types.ValidateLPToken
 	bk                                  types.BankKeeper
 	ak                                  types.AccountKeeper
@@ -35,14 +33,8 @@ func NewKeeper(
 	dk types.DistrKeeper,
 	gk types.GovKeeper,
 	validateLPToken types.ValidateLPToken,
-	paramSpace paramstypes.Subspace,
 	feeCollectorName, communityPoolName, authority string,
 ) Keeper {
-	// set KeyTable if it has not already been set
-	if !paramSpace.HasKeyTable() {
-		paramSpace = paramSpace.WithKeyTable(ParamKeyTable())
-	}
-
 	if addr := ak.GetModuleAddress(types.ModuleName); addr == nil {
 		panic(fmt.Sprintf("%s module account has not been set", types.ModuleName))
 	}
@@ -60,7 +52,6 @@ func NewKeeper(
 		dk:                dk,
 		gk:                gk,
 		validateLPToken:   validateLPToken,
-		paramSpace:        paramSpace,
 		feeCollectorName:  feeCollectorName,
 		communityPoolName: communityPoolName,
 		authority:         authority,
diff --git a/modules/farm/keeper/migrations.go b/modules/farm/keeper/migrations.go
index 90c0a254..e880eec9 100644
--- a/modules/farm/keeper/migrations.go
+++ b/modules/farm/keeper/migrations.go
@@ -21,10 +21,10 @@ func NewMigrator(k Keeper, legacySubspace exported.Subspace) Migrator {
 
 // Migrate1to2 migrates from version 1 to 2.
 func (m Migrator) Migrate1to2(ctx sdk.Context) error {
-	return v2.Migrate(ctx, m.k, m.k.ak, m.k.paramSpace)
+	return v2.Migrate(ctx, m.k, m.k.ak, m.legacySubspace)
 }
 
 // Migrate1to2 migrates from version 2 to 3.
 func (m Migrator) Migrate2to3(ctx sdk.Context) error {
-	return v3.Migrate(ctx, m.k, m.k.paramSpace)
+	return v3.Migrate(ctx, m.k, m.legacySubspace)
 }
diff --git a/modules/farm/keeper/params.go b/modules/farm/keeper/params.go
index 21815581..06d483da 100644
--- a/modules/farm/keeper/params.go
+++ b/modules/farm/keeper/params.go
@@ -2,16 +2,10 @@ package keeper
 
 import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
 
 	"github.com/irisnet/irismod/modules/farm/types"
 )
 
-// ParamKeyTable for farm module
-func ParamKeyTable() paramstypes.KeyTable {
-	return paramstypes.NewKeyTable().RegisterParamSet(&types.Params{})
-}
-
 // CreatePoolFee returns the create pool fee
 func (k Keeper) CreatePoolFee(ctx sdk.Context) sdk.Coin {
 	return k.GetParams(ctx).PoolCreationFee
diff --git a/modules/farm/migarations/v2/migrate.go b/modules/farm/migarations/v2/migrate.go
index 34101e9e..3964336e 100644
--- a/modules/farm/migarations/v2/migrate.go
+++ b/modules/farm/migarations/v2/migrate.go
@@ -4,8 +4,8 @@ import (
 	sdkmath "cosmossdk.io/math"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
-	paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
 
+	"github.com/irisnet/irismod/modules/farm/exported"
 	"github.com/irisnet/irismod/modules/farm/types"
 )
 
@@ -31,9 +31,9 @@ func Migrate(
 	ctx sdk.Context,
 	k FarmKeeper,
 	ak types.AccountKeeper,
-	paramSpace paramstypes.Subspace,
+	legacySubspace exported.Subspace,
 ) error {
-	params := GetLegacyParams(ctx, paramSpace)
+	params := GetLegacyParams(ctx, legacySubspace)
 	newParams := types.Params{
 		MaxRewardCategories: params.MaxRewardCategories,
 		PoolCreationFee:     DefaultPoolCreationFee,
@@ -54,16 +54,16 @@ func Migrate(
 }
 
 // GetLegacyParams gets the parameters for the coinswap module.
-func GetLegacyParams(ctx sdk.Context, paramSpace paramstypes.Subspace) Params {
+func GetLegacyParams(ctx sdk.Context, legacySubspace exported.Subspace) Params {
 	var swapParams Params
-	paramSpace.GetParamSet(ctx, &swapParams)
+	legacySubspace.GetParamSet(ctx, &swapParams)
 	return swapParams
 }
 
 // ParamSetPairs implements paramtypes.KeyValuePairs
-func (p *Params) ParamSetPairs() paramstypes.ParamSetPairs {
-	return paramstypes.ParamSetPairs{
-		paramstypes.NewParamSetPair(types.KeyPoolCreationFee, &p.PoolCreationFee, nil),
-		paramstypes.NewParamSetPair(types.KeyMaxRewardCategories, &p.MaxRewardCategories, nil),
+func (p *Params) ParamSetPairs() exported.ParamSetPairs {
+	return exported.ParamSetPairs{
+		exported.NewParamSetPair(types.KeyPoolCreationFee, &p.PoolCreationFee, nil),
+		exported.NewParamSetPair(types.KeyMaxRewardCategories, &p.MaxRewardCategories, nil),
 	}
 }
diff --git a/modules/farm/types/legacy_params.go b/modules/farm/types/legacy_params.go
new file mode 100644
index 00000000..2129ec4c
--- /dev/null
+++ b/modules/farm/types/legacy_params.go
@@ -0,0 +1,35 @@
+package types
+
+import (
+	paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
+)
+
+// Keys for parameter access
+// nolint
+var (
+	KeyPoolCreationFee     = []byte("CreatePoolFee")
+	KeyTaxRate             = []byte("TaxRate") // fee key
+	KeyMaxRewardCategories = []byte("MaxRewardCategories")
+)
+
+// ParamSetPairs implements paramstypes.ParamSet
+func (p *Params) ParamSetPairs() paramstypes.ParamSetPairs {
+	return paramstypes.ParamSetPairs{
+		paramstypes.NewParamSetPair(
+			KeyPoolCreationFee,
+			&p.PoolCreationFee,
+			validatePoolCreationFee,
+		),
+		paramstypes.NewParamSetPair(
+			KeyMaxRewardCategories,
+			&p.MaxRewardCategories,
+			validateMaxRewardCategories,
+		),
+		paramstypes.NewParamSetPair(KeyTaxRate, &p.TaxRate, validateTaxRate),
+	}
+}
+
+// ParamKeyTable for farm module
+func ParamKeyTable() paramstypes.KeyTable {
+	return paramstypes.NewKeyTable().RegisterParamSet(&Params{})
+}
diff --git a/modules/farm/types/params.go b/modules/farm/types/params.go
index 7ccebb66..8476f553 100644
--- a/modules/farm/types/params.go
+++ b/modules/farm/types/params.go
@@ -4,7 +4,6 @@ import (
 	fmt "fmt"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
 )
 
 // Farm params default values
@@ -14,14 +13,6 @@ var (
 	DefaultMaxRewardCategories = uint32(2)
 )
 
-// Keys for parameter access
-// nolint
-var (
-	KeyPoolCreationFee     = []byte("CreatePoolFee")
-	KeyTaxRate             = []byte("TaxRate") // fee key
-	KeyMaxRewardCategories = []byte("MaxRewardCategories")
-)
-
 // NewParams creates a new Params instance
 func NewParams(createPoolFee sdk.Coin, maxRewardCategories uint32, taxRate sdk.Dec) Params {
 	return Params{
@@ -31,15 +22,6 @@ func NewParams(createPoolFee sdk.Coin, maxRewardCategories uint32, taxRate sdk.D
 	}
 }
 
-// ParamSetPairs implements paramstypes.ParamSet
-func (p *Params) ParamSetPairs() paramstypes.ParamSetPairs {
-	return paramstypes.ParamSetPairs{
-		paramstypes.NewParamSetPair(KeyPoolCreationFee, &p.PoolCreationFee, validatePoolCreationFee),
-		paramstypes.NewParamSetPair(KeyMaxRewardCategories, &p.MaxRewardCategories, validateMaxRewardCategories),
-		paramstypes.NewParamSetPair(KeyTaxRate, &p.TaxRate, validateTaxRate),
-	}
-}
-
 // DefaultParams returns a default set of parameters.
 func DefaultParams() Params {
 	return NewParams(DefaultPoolCreationFee, DefaultMaxRewardCategories, DefaulttTaxRate)
diff --git a/simapp/app.go b/simapp/app.go
index 8063b751..39a82625 100644
--- a/simapp/app.go
+++ b/simapp/app.go
@@ -494,7 +494,6 @@ func NewSimApp(
 		//app.GovKeeper,
 		nil,
 		func(ctx sdk.Context, lpTokenDenom string) error { return nil },
-		app.GetSubspace(farmtypes.ModuleName),
 		authtypes.FeeCollectorName,
 		distrtypes.ModuleName,
 		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
@@ -1068,7 +1067,7 @@ func initParamsKeeper(
 	paramsKeeper.Subspace(htlctypes.ModuleName)
 	paramsKeeper.Subspace(coinswaptypes.ModuleName).WithKeyTable(coinswaptypes.ParamKeyTable())
 	paramsKeeper.Subspace(servicetypes.ModuleName)
-	paramsKeeper.Subspace(farmtypes.ModuleName)
+	paramsKeeper.Subspace(farmtypes.ModuleName).WithKeyTable(farmtypes.ParamKeyTable())
 
 	return paramsKeeper
 }

From 8a04a62d8bf9ef1146e892a696e20ca0eaf03133 Mon Sep 17 00:00:00 2001
From: Dreamer <745124335@qq.com>
Date: Mon, 12 Jun 2023 15:26:00 +0800
Subject: [PATCH 4/9] refactor code

---
 modules/coinswap/types/legacy_params.go |  33 ++++++
 modules/coinswap/types/params.go        |  31 +----
 modules/farm/types/farm.pb.go           | 144 ++++++++++++++----------
 modules/farm/types/msgs.go              |  22 ++++
 modules/farm/types/params.go            |   8 ++
 proto/farm/farm.proto                   |   3 +
 6 files changed, 154 insertions(+), 87 deletions(-)
 create mode 100644 modules/coinswap/types/legacy_params.go

diff --git a/modules/coinswap/types/legacy_params.go b/modules/coinswap/types/legacy_params.go
new file mode 100644
index 00000000..aee39a73
--- /dev/null
+++ b/modules/coinswap/types/legacy_params.go
@@ -0,0 +1,33 @@
+package types
+
+import (
+	paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
+)
+
+// Parameter store keys
+var (
+	KeyFee                    = []byte("Fee")                    // fee key
+	KeyPoolCreationFee        = []byte("PoolCreationFee")        // fee key
+	KeyTaxRate                = []byte("TaxRate")                // fee key
+	KeyStandardDenom          = []byte("StandardDenom")          // standard token denom key
+	KeyUnilateralLiquidityFee = []byte("UnilateralLiquidityFee") // fee key
+)
+
+// ParamKeyTable returns the TypeTable for coinswap module
+func ParamKeyTable() paramtypes.KeyTable {
+	return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
+}
+
+// ParamSetPairs implements paramtypes.KeyValuePairs
+func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
+	return paramtypes.ParamSetPairs{
+		paramtypes.NewParamSetPair(KeyFee, &p.Fee, validateFee),
+		paramtypes.NewParamSetPair(KeyPoolCreationFee, &p.PoolCreationFee, validatePoolCreationFee),
+		paramtypes.NewParamSetPair(KeyTaxRate, &p.TaxRate, validateTaxRate),
+		paramtypes.NewParamSetPair(
+			KeyUnilateralLiquidityFee,
+			&p.UnilateralLiquidityFee,
+			validateUnilateraLiquiditylFee,
+		),
+	}
+}
diff --git a/modules/coinswap/types/params.go b/modules/coinswap/types/params.go
index 87d20332..f387a827 100644
--- a/modules/coinswap/types/params.go
+++ b/modules/coinswap/types/params.go
@@ -3,19 +3,9 @@ package types
 import (
 	"fmt"
 
-	"gopkg.in/yaml.v2"
+	"sigs.k8s.io/yaml"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
-)
-
-// Parameter store keys
-var (
-	KeyFee                    = []byte("Fee")                    // fee key
-	KeyPoolCreationFee        = []byte("PoolCreationFee")        // fee key
-	KeyTaxRate                = []byte("TaxRate")                // fee key
-	KeyStandardDenom          = []byte("StandardDenom")          // standard token denom key
-	KeyUnilateralLiquidityFee = []byte("UnilateralLiquidityFee") // fee key
 )
 
 // NewParams is the coinswap params constructor
@@ -28,25 +18,6 @@ func NewParams(fee, taxRate, unilateralLiquidityFee sdk.Dec, poolCreationFee sdk
 	}
 }
 
-// ParamKeyTable returns the TypeTable for coinswap module
-func ParamKeyTable() paramtypes.KeyTable {
-	return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
-}
-
-// ParamSetPairs implements paramtypes.KeyValuePairs
-func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
-	return paramtypes.ParamSetPairs{
-		paramtypes.NewParamSetPair(KeyFee, &p.Fee, validateFee),
-		paramtypes.NewParamSetPair(KeyPoolCreationFee, &p.PoolCreationFee, validatePoolCreationFee),
-		paramtypes.NewParamSetPair(KeyTaxRate, &p.TaxRate, validateTaxRate),
-		paramtypes.NewParamSetPair(
-			KeyUnilateralLiquidityFee,
-			&p.UnilateralLiquidityFee,
-			validateUnilateraLiquiditylFee,
-		),
-	}
-}
-
 // DefaultParams returns the default coinswap module parameters
 func DefaultParams() Params {
 	fee := sdk.NewDecWithPrec(3, 3)
diff --git a/modules/farm/types/farm.pb.go b/modules/farm/types/farm.pb.go
index 224586de..07e07e94 100644
--- a/modules/farm/types/farm.pb.go
+++ b/modules/farm/types/farm.pb.go
@@ -161,9 +161,8 @@ type Params struct {
 	TaxRate             github_com_cosmos_cosmos_sdk_types.Dec  `protobuf:"bytes,3,opt,name=tax_rate,json=taxRate,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Dec" json:"tax_rate"`
 }
 
-func (m *Params) Reset()         { *m = Params{} }
-func (m *Params) String() string { return proto.CompactTextString(m) }
-func (*Params) ProtoMessage()    {}
+func (m *Params) Reset()      { *m = Params{} }
+func (*Params) ProtoMessage() {}
 func (*Params) Descriptor() ([]byte, []int) {
 	return fileDescriptor_a85c74c264ccc821, []int{3}
 }
@@ -290,62 +289,63 @@ func init() {
 func init() { proto.RegisterFile("farm/farm.proto", fileDescriptor_a85c74c264ccc821) }
 
 var fileDescriptor_a85c74c264ccc821 = []byte{
-	// 880 bytes of a gzipped FileDescriptorProto
+	// 883 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x56, 0xbf, 0x73, 0x1b, 0x45,
-	0x14, 0xd6, 0x59, 0xb6, 0x24, 0x3f, 0x19, 0xdb, 0x2c, 0x21, 0x5c, 0xcc, 0x20, 0x09, 0x17, 0x20,
+	0x14, 0xd6, 0x59, 0xb6, 0x24, 0x3f, 0x19, 0xdb, 0x2c, 0x21, 0x5c, 0xcc, 0x20, 0x89, 0x14, 0x20,
 	0x8a, 0xdc, 0x11, 0x43, 0x43, 0x3a, 0x64, 0xc5, 0x83, 0x86, 0x14, 0xe6, 0xd2, 0x00, 0xcd, 0xcd,
-	0xde, 0xed, 0x93, 0xbc, 0x93, 0xbb, 0xdb, 0x9b, 0xdd, 0x55, 0xe2, 0x94, 0xf4, 0x14, 0x94, 0x94,
-	0xa1, 0xe5, 0x2f, 0x71, 0x99, 0x92, 0x49, 0x11, 0xc0, 0x6e, 0xf8, 0x17, 0xa8, 0x60, 0xf6, 0x87,
-	0x84, 0xc6, 0x61, 0xc0, 0xf1, 0xa4, 0xb1, 0xef, 0xbd, 0x7d, 0xfb, 0xbd, 0xdd, 0xf7, 0x7d, 0x6f,
-	0x9f, 0x60, 0x67, 0x4a, 0x65, 0x19, 0x9b, 0x3f, 0x51, 0x2d, 0x85, 0x16, 0x64, 0x8b, 0x4b, 0xae,
-	0x4a, 0xc1, 0x22, 0xe3, 0xdb, 0xeb, 0xe5, 0x42, 0x95, 0x42, 0xc5, 0x19, 0x55, 0x18, 0x3f, 0xba,
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-	0xb1, 0xf9, 0x72, 0xde, 0xfd, 0x9f, 0x9a, 0xd0, 0x39, 0xa2, 0xb2, 0x3c, 0x16, 0xa2, 0x20, 0xdb,
-	0xb0, 0xc6, 0x59, 0x18, 0x0c, 0x82, 0xe1, 0x66, 0xb2, 0xc6, 0x19, 0x09, 0xa1, 0x9d, 0x4b, 0xa4,
-	0x5a, 0xc8, 0x70, 0xcd, 0x3a, 0x17, 0x26, 0x19, 0x40, 0x97, 0xa1, 0xca, 0x25, 0xaf, 0x35, 0x17,
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-	0x2b, 0xb6, 0x08, 0xd8, 0xb0, 0x01, 0x9b, 0x58, 0x31, 0xbf, 0xfc, 0x19, 0xdc, 0x2a, 0xa8, 0x5a,
-	0x00, 0xa4, 0x8c, 0x2b, 0x2d, 0x53, 0x89, 0x8f, 0xa9, 0x64, 0x2a, 0x6c, 0xd9, 0xe8, 0x9b, 0x26,
-	0xc0, 0x85, 0x8f, 0xcd, 0x72, 0xe2, 0x56, 0xc9, 0x1e, 0x74, 0x90, 0x71, 0x4d, 0xb3, 0x02, 0xc3,
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-	0xde, 0x22, 0x5f, 0xc1, 0x96, 0xbb, 0x98, 0x5f, 0xb5, 0x94, 0x8d, 0x22, 0x7f, 0xf2, 0x0f, 0xae,
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-	0xe2, 0xd5, 0x6c, 0x01, 0xdb, 0xbc, 0x16, 0xec, 0xce, 0x12, 0xc7, 0x43, 0x7f, 0x6d, 0xa0, 0xcd,
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-	0x23, 0x83, 0x72, 0x09, 0x59, 0x9d, 0x50, 0x89, 0x56, 0x5c, 0xaf, 0x86, 0x3c, 0xc6, 0x7c, 0x05,
-	0xf9, 0x81, 0x41, 0xf1, 0x74, 0xfc, 0x19, 0xb8, 0x96, 0x99, 0x54, 0x53, 0x41, 0xde, 0x81, 0x76,
-	0x2d, 0x44, 0x91, 0x2e, 0xfb, 0xa6, 0x65, 0xcc, 0x89, 0xed, 0x1d, 0xca, 0x98, 0x44, 0xa5, 0x16,
-	0xbd, 0xe3, 0x4d, 0x72, 0x04, 0x2d, 0x2f, 0xbb, 0xeb, 0x95, 0xd2, 0xef, 0x26, 0x05, 0x74, 0xfd,
-	0x3d, 0x19, 0x66, 0xa6, 0xc1, 0x9a, 0xff, 0xad, 0xe1, 0x8f, 0x4d, 0x9e, 0x9f, 0x7f, 0xed, 0x0f,
-	0xaf, 0xa8, 0x61, 0x95, 0x80, 0xc3, 0x1f, 0x63, 0xa6, 0xfd, 0xdd, 0xff, 0x0a, 0xa0, 0x75, 0x4c,
-	0x25, 0x2d, 0x15, 0x79, 0x04, 0x6f, 0xda, 0x9b, 0xdb, 0x27, 0x81, 0x8b, 0x2a, 0x9d, 0x22, 0xda,
-	0x1a, 0xbc, 0xde, 0x46, 0xda, 0x31, 0x49, 0x0e, 0x7d, 0x8e, 0x23, 0x44, 0x72, 0x00, 0x6f, 0x97,
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-	0xb1, 0xe5, 0x7f, 0x0f, 0x3a, 0xb5, 0x14, 0xb5, 0x50, 0x28, 0xbd, 0x00, 0x96, 0x36, 0x19, 0xc1,
-	0xd6, 0x74, 0x5e, 0xb1, 0x94, 0xd6, 0x75, 0xc1, 0xd1, 0x34, 0xe4, 0xff, 0x30, 0xe4, 0x7a, 0xbf,
-	0x6b, 0x36, 0x7d, 0xee, 0xf6, 0x90, 0x7b, 0xb0, 0x6d, 0x31, 0x14, 0x16, 0xd3, 0x34, 0x13, 0x95,
-	0x11, 0xcd, 0x95, 0x50, 0x6c, 0xea, 0x07, 0x58, 0x4c, 0x47, 0xa2, 0x62, 0xa4, 0x0f, 0x5d, 0x77,
-	0x2c, 0x6a, 0xa5, 0x6a, 0x1a, 0x6d, 0x3d, 0x81, 0x85, 0x6b, 0xc2, 0x3c, 0xbd, 0xdf, 0x35, 0xa1,
-	0x7f, 0x28, 0xca, 0x72, 0x5e, 0x71, 0xfd, 0xe4, 0x78, 0x51, 0x78, 0xb4, 0x03, 0xc2, 0xc7, 0x92,
-	0x1b, 0xb0, 0xa1, 0xb9, 0x2e, 0xd0, 0x5f, 0xd7, 0x19, 0x97, 0x07, 0xc2, 0xda, 0xcb, 0x03, 0xe1,
-	0x23, 0xd8, 0xb5, 0x7a, 0x79, 0x79, 0x6e, 0x58, 0x8a, 0xc7, 0x2b, 0xa1, 0xef, 0xc2, 0xa6, 0x79,
-	0x9c, 0x19, 0x56, 0xa2, 0x74, 0x8f, 0x42, 0xd2, 0x29, 0x6a, 0x3d, 0x36, 0x36, 0x99, 0xfc, 0xcb,
-	0xc3, 0xb1, 0x71, 0xb5, 0x9a, 0x5c, 0x7e, 0x29, 0x2e, 0x13, 0xd4, 0x7a, 0x2d, 0x04, 0xb5, 0xaf,
-	0x41, 0xd0, 0xdd, 0xce, 0x8f, 0x4f, 0xfb, 0x0d, 0xc3, 0xc1, 0xe8, 0xcb, 0xb3, 0xdf, 0x7b, 0x8d,
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-	0x5d, 0xf4, 0x1a, 0xbf, 0x5c, 0xf4, 0x1a, 0xdf, 0xde, 0x5e, 0xd1, 0xab, 0x19, 0x21, 0x15, 0xea,
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-	0xff, 0xc9, 0xdf, 0x01, 0x00, 0x00, 0xff, 0xff, 0x2f, 0x22, 0x5d, 0xf3, 0x3c, 0x08, 0x00, 0x00,
+	0xde, 0xed, 0x93, 0xbc, 0x93, 0xbb, 0xdb, 0x9b, 0xdd, 0x55, 0xe2, 0x94, 0x94, 0xcc, 0x50, 0x50,
+	0x52, 0x86, 0x96, 0xbf, 0xc4, 0x65, 0x4a, 0x26, 0x45, 0x00, 0xbb, 0xe1, 0x5f, 0xa0, 0x63, 0xf6,
+	0x87, 0x14, 0x8d, 0xc3, 0x10, 0xc7, 0x93, 0xc6, 0xbe, 0xf7, 0xf6, 0xed, 0xf7, 0x76, 0xdf, 0xf7,
+	0xbd, 0x7d, 0x82, 0x9d, 0x29, 0x95, 0x65, 0x6c, 0xfe, 0x44, 0xb5, 0x14, 0x5a, 0x90, 0x2d, 0x2e,
+	0xb9, 0x2a, 0x05, 0x8b, 0x8c, 0x6f, 0xaf, 0x97, 0x0b, 0x55, 0x0a, 0x15, 0x67, 0x54, 0x61, 0xfc,
+	0xf0, 0x76, 0x86, 0x9a, 0xde, 0x8e, 0x73, 0xc1, 0x2b, 0x17, 0xbd, 0x77, 0x6d, 0x26, 0x66, 0xc2,
+	0x7e, 0xc6, 0xe6, 0xcb, 0x79, 0x6f, 0xfe, 0xda, 0x84, 0xce, 0x21, 0x95, 0xe5, 0x91, 0x10, 0x05,
+	0xd9, 0x86, 0x35, 0xce, 0xc2, 0x60, 0x10, 0x0c, 0x37, 0x93, 0x35, 0xce, 0x48, 0x08, 0xed, 0x5c,
+	0x22, 0xd5, 0x42, 0x86, 0x6b, 0xd6, 0xb9, 0x30, 0xc9, 0x00, 0xba, 0x0c, 0x55, 0x2e, 0x79, 0xad,
+	0xb9, 0xa8, 0xc2, 0xa6, 0x5d, 0x5d, 0x75, 0x91, 0x0f, 0x61, 0x4b, 0x69, 0x2a, 0x75, 0x7a, 0x8c,
+	0x7c, 0x76, 0xac, 0xc3, 0xf5, 0x41, 0x30, 0x6c, 0x26, 0x5d, 0xeb, 0xfb, 0xca, 0xba, 0xc8, 0x07,
+	0x00, 0x58, 0xb1, 0x45, 0xc0, 0x86, 0x0d, 0xd8, 0xc4, 0x8a, 0xf9, 0xe5, 0x2f, 0xe0, 0x46, 0x41,
+	0xd5, 0x02, 0x20, 0x65, 0x5c, 0x69, 0x99, 0x4a, 0x7c, 0x44, 0x25, 0x53, 0x61, 0xcb, 0x46, 0x5f,
+	0x37, 0x01, 0x2e, 0x7c, 0x6c, 0x96, 0x13, 0xb7, 0x4a, 0xf6, 0xa0, 0x83, 0x8c, 0x6b, 0x9a, 0x15,
+	0x18, 0xb6, 0x07, 0xc1, 0xb0, 0x93, 0x2c, 0x6d, 0xa2, 0x61, 0x57, 0x0b, 0x4d, 0x8b, 0xb4, 0xa8,
+	0x75, 0x5a, 0x88, 0xfc, 0x01, 0xb2, 0xb0, 0x33, 0x08, 0x86, 0xdd, 0xfd, 0x1b, 0x91, 0x2b, 0x61,
+	0x64, 0x4a, 0x18, 0xf9, 0x12, 0x46, 0x07, 0x82, 0x57, 0xa3, 0xf8, 0xf4, 0x79, 0xbf, 0xf1, 0xec,
+	0x79, 0xff, 0xe3, 0x19, 0xd7, 0xc7, 0xf3, 0x2c, 0xca, 0x45, 0x19, 0xfb, 0x7a, 0xbb, 0x7f, 0xb7,
+	0x14, 0x7b, 0x10, 0xeb, 0xc7, 0x35, 0x2a, 0xbb, 0x21, 0xd9, 0xb6, 0x39, 0xee, 0xd5, 0xfa, 0x9e,
+	0xcd, 0x40, 0x3e, 0x87, 0x0d, 0x39, 0x2f, 0x50, 0x85, 0x9b, 0x83, 0xe6, 0xb0, 0xbb, 0x1f, 0x46,
+	0xab, 0xdc, 0x45, 0xee, 0xdc, 0xc9, 0xbc, 0xc0, 0xd1, 0xba, 0xc9, 0x94, 0xb8, 0xe0, 0x3b, 0xeb,
+	0x7f, 0x3f, 0xe9, 0x07, 0x37, 0x7f, 0x6a, 0x02, 0xbc, 0x88, 0x20, 0xd7, 0xa1, 0xe5, 0xaa, 0xe0,
+	0x99, 0xf2, 0x16, 0xf9, 0x06, 0xb6, 0xdc, 0xc5, 0xfc, 0xaa, 0xa5, 0x6c, 0x14, 0xf9, 0x93, 0x7f,
+	0x74, 0x89, 0x93, 0x4f, 0x2a, 0x9d, 0x74, 0x2d, 0x86, 0x4b, 0x47, 0xbe, 0x83, 0x5d, 0x89, 0x25,
+	0xe5, 0x15, 0xaf, 0x66, 0x0b, 0xd8, 0xe6, 0x95, 0x60, 0x77, 0x96, 0x38, 0x1e, 0xfa, 0x5b, 0x03,
+	0x6d, 0xbe, 0xd2, 0x1a, 0x65, 0x9a, 0x19, 0x22, 0xac, 0x46, 0x5e, 0x1f, 0x7a, 0xdb, 0xe1, 0x1c,
+	0xa1, 0x1c, 0x19, 0x94, 0x0b, 0xc8, 0xea, 0x98, 0x4a, 0xb4, 0xe2, 0x7a, 0x3d, 0xe4, 0x31, 0xe6,
+	0x2b, 0xc8, 0xf7, 0x0d, 0x8a, 0xa7, 0xe3, 0x9f, 0xc0, 0xb5, 0xcc, 0xa4, 0x9a, 0x0a, 0xf2, 0x1e,
+	0xb4, 0x6b, 0x21, 0x8a, 0x74, 0xd9, 0x37, 0x2d, 0x63, 0x4e, 0x6c, 0xef, 0x50, 0xc6, 0x24, 0x2a,
+	0xb5, 0xe8, 0x1d, 0x6f, 0x92, 0x43, 0x68, 0x79, 0xd9, 0x5d, 0xad, 0x94, 0x7e, 0x37, 0x29, 0xa0,
+	0xeb, 0xef, 0xc9, 0x30, 0x33, 0x0d, 0xd6, 0xfc, 0x7f, 0x0d, 0x7f, 0x6a, 0xf2, 0xfc, 0xf6, 0x47,
+	0x7f, 0x78, 0x49, 0x0d, 0xab, 0x04, 0x1c, 0xfe, 0x18, 0x33, 0xed, 0xef, 0xfe, 0xe3, 0x1a, 0xb4,
+	0x8e, 0xa8, 0xa4, 0xa5, 0x22, 0x0f, 0xe1, 0x6d, 0x7b, 0x73, 0xfb, 0x24, 0x70, 0x51, 0xa5, 0x53,
+	0x44, 0x5b, 0x83, 0x37, 0xdb, 0x48, 0x3b, 0x26, 0xc9, 0x81, 0xcf, 0x71, 0x88, 0x48, 0xf6, 0xe1,
+	0xdd, 0x92, 0x9e, 0x78, 0x35, 0xa6, 0x39, 0xd5, 0x38, 0x13, 0x92, 0xa3, 0x2b, 0xf3, 0x5b, 0xc9,
+	0x3b, 0x25, 0x3d, 0x71, 0x12, 0x3b, 0x58, 0x2e, 0x91, 0x09, 0x74, 0xb4, 0xd9, 0x43, 0x35, 0x5e,
+	0xa1, 0xe8, 0x46, 0x0a, 0x6d, 0x4d, 0x4f, 0x12, 0xaa, 0xf1, 0x4e, 0xe7, 0x97, 0x27, 0xfd, 0x86,
+	0xad, 0xc5, 0xb3, 0x00, 0xe0, 0xae, 0xca, 0xa5, 0x78, 0x64, 0x95, 0xb0, 0x07, 0x9d, 0x5a, 0x8a,
+	0x5a, 0x28, 0x94, 0x5e, 0x0a, 0x4b, 0x9b, 0x8c, 0x60, 0x6b, 0x3a, 0xaf, 0x58, 0x4a, 0xeb, 0xba,
+	0xe0, 0x68, 0x5a, 0xf3, 0x15, 0x5c, 0xb9, 0x57, 0xa0, 0x6b, 0x36, 0x7d, 0xe9, 0xf6, 0x90, 0xbb,
+	0xb0, 0x6d, 0x31, 0x14, 0x16, 0xd3, 0x34, 0x13, 0x95, 0x91, 0xcf, 0xa5, 0x50, 0x6c, 0xea, 0xfb,
+	0x58, 0x4c, 0x47, 0xa2, 0x62, 0xa4, 0x0f, 0x5d, 0x77, 0x2c, 0x6a, 0x45, 0x6b, 0x5a, 0x6e, 0x3d,
+	0x81, 0x85, 0x6b, 0xc2, 0x3c, 0xd1, 0x3f, 0x34, 0xa1, 0x7f, 0x20, 0xca, 0x72, 0x5e, 0x71, 0xfd,
+	0xf8, 0x68, 0x41, 0x01, 0xda, 0x51, 0xe1, 0x63, 0xc9, 0x35, 0xd8, 0xd0, 0x5c, 0x17, 0xe8, 0xaf,
+	0xeb, 0x8c, 0x8b, 0xa3, 0x61, 0xed, 0xe5, 0xd1, 0xf0, 0x09, 0xec, 0x5a, 0xe5, 0xbc, 0x3c, 0x41,
+	0x2c, 0xd9, 0xe3, 0x95, 0xd0, 0xf7, 0x61, 0xd3, 0x3c, 0xd3, 0x0c, 0x2b, 0x51, 0xba, 0xe7, 0x21,
+	0xe9, 0x14, 0xb5, 0x1e, 0x1b, 0x9b, 0x4c, 0xfe, 0xe3, 0x09, 0xd9, 0xb8, 0x5c, 0x4d, 0x2e, 0xbe,
+	0x19, 0x17, 0x09, 0x6a, 0xbd, 0x11, 0x82, 0xda, 0x57, 0x20, 0xe8, 0x85, 0xc0, 0x46, 0x5f, 0x9f,
+	0xfe, 0xd5, 0x6b, 0x9c, 0x9e, 0xf5, 0x82, 0xa7, 0x67, 0xbd, 0xe0, 0xcf, 0xb3, 0x5e, 0xf0, 0xf3,
+	0x79, 0xaf, 0xf1, 0xf4, 0xbc, 0xd7, 0xf8, 0xfd, 0xbc, 0xd7, 0xf8, 0xfe, 0xd6, 0x8a, 0x72, 0xcd,
+	0x30, 0xa9, 0x50, 0xc7, 0x7e, 0xa8, 0xc4, 0xa5, 0x60, 0x66, 0x7e, 0xd8, 0x1f, 0x0b, 0x4e, 0xc4,
+	0x59, 0xcb, 0xce, 0xfb, 0xcf, 0xfe, 0x0d, 0x00, 0x00, 0xff, 0xff, 0xfb, 0xca, 0x83, 0x38, 0x46,
+	0x08, 0x00, 0x00,
 }
 
 func (this *FarmPool) Equal(that interface{}) bool {
@@ -475,6 +475,36 @@ func (this *FarmInfo) Equal(that interface{}) bool {
 	}
 	return true
 }
+func (this *Params) Equal(that interface{}) bool {
+	if that == nil {
+		return this == nil
+	}
+
+	that1, ok := that.(*Params)
+	if !ok {
+		that2, ok := that.(Params)
+		if ok {
+			that1 = &that2
+		} else {
+			return false
+		}
+	}
+	if that1 == nil {
+		return this == nil
+	} else if this == nil {
+		return false
+	}
+	if !this.PoolCreationFee.Equal(that1.PoolCreationFee) {
+		return false
+	}
+	if this.MaxRewardCategories != that1.MaxRewardCategories {
+		return false
+	}
+	if !this.TaxRate.Equal(that1.TaxRate) {
+		return false
+	}
+	return true
+}
 func (this *EscrowInfo) Equal(that interface{}) bool {
 	if that == nil {
 		return this == nil
diff --git a/modules/farm/types/msgs.go b/modules/farm/types/msgs.go
index 76e3896a..7eec6a8f 100644
--- a/modules/farm/types/msgs.go
+++ b/modules/farm/types/msgs.go
@@ -36,6 +36,7 @@ var (
 	_ sdk.Msg = &MsgStake{}
 	_ sdk.Msg = &MsgUnstake{}
 	_ sdk.Msg = &MsgHarvest{}
+	_ sdk.Msg = &MsgUpdateParams{}
 )
 
 // Route implements Msg
@@ -306,3 +307,24 @@ func (msg MsgHarvest) GetSigners() []sdk.AccAddress {
 	}
 	return []sdk.AccAddress{from}
 }
+
+// GetSignBytes returns the raw bytes for a MsgUpdateParams message that
+// the expected signer needs to sign.
+func (m *MsgUpdateParams) GetSignBytes() []byte {
+	bz := ModuleCdc.MustMarshalJSON(m)
+	return sdk.MustSortJSON(bz)
+}
+
+// ValidateBasic executes sanity validation on the provided data
+func (m *MsgUpdateParams) ValidateBasic() error {
+	if _, err := sdk.AccAddressFromBech32(m.Authority); err != nil {
+		return sdkerrors.Wrap(err, "invalid authority address")
+	}
+	return m.Params.Validate()
+}
+
+// GetSigners returns the expected signers for a MsgUpdateParams message
+func (m *MsgUpdateParams) GetSigners() []sdk.AccAddress {
+	addr, _ := sdk.AccAddressFromBech32(m.Authority)
+	return []sdk.AccAddress{addr}
+}
diff --git a/modules/farm/types/params.go b/modules/farm/types/params.go
index 8476f553..d6ff9475 100644
--- a/modules/farm/types/params.go
+++ b/modules/farm/types/params.go
@@ -3,6 +3,8 @@ package types
 import (
 	fmt "fmt"
 
+	"sigs.k8s.io/yaml"
+
 	sdk "github.com/cosmos/cosmos-sdk/types"
 )
 
@@ -32,6 +34,12 @@ func (p Params) Validate() error {
 	return validatePoolCreationFee(p.PoolCreationFee)
 }
 
+// String returns a human readable string representation of the parameters.
+func (p Params) String() string {
+	out, _ := yaml.Marshal(p)
+	return string(out)
+}
+
 func validatePoolCreationFee(i interface{}) error {
 	v, ok := i.(sdk.Coin)
 	if !ok {
diff --git a/proto/farm/farm.proto b/proto/farm/farm.proto
index bc261bf4..9a51fdc9 100644
--- a/proto/farm/farm.proto
+++ b/proto/farm/farm.proto
@@ -66,6 +66,9 @@ message FarmInfo {
 
 // Params records the current params information of the farm pool
 message Params {
+  option (gogoproto.equal) = true;
+  option (gogoproto.goproto_stringer) = false;
+
   cosmos.base.v1beta1.Coin pool_creation_fee = 1 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Coin",
     (gogoproto.nullable) = false

From adef8baec52d90ad46fff33b8bd0e211a1427f30 Mon Sep 17 00:00:00 2001
From: Dreamer <745124335@qq.com>
Date: Mon, 12 Jun 2023 15:54:23 +0800
Subject: [PATCH 5/9] rename package name

---
 modules/farm/keeper/migrations.go             |  4 +--
 .../{migarations => migrations}/v2/migrate.go |  0
 .../{migarations => migrations}/v3/migrate.go |  0
 modules/farm/migrations/v3/migrate_test.go    | 34 +++++++++++++++++++
 4 files changed, 36 insertions(+), 2 deletions(-)
 rename modules/farm/{migarations => migrations}/v2/migrate.go (100%)
 rename modules/farm/{migarations => migrations}/v3/migrate.go (100%)
 create mode 100644 modules/farm/migrations/v3/migrate_test.go

diff --git a/modules/farm/keeper/migrations.go b/modules/farm/keeper/migrations.go
index e880eec9..17e88ac5 100644
--- a/modules/farm/keeper/migrations.go
+++ b/modules/farm/keeper/migrations.go
@@ -4,8 +4,8 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
 	"github.com/irisnet/irismod/modules/farm/exported"
-	v2 "github.com/irisnet/irismod/modules/farm/migarations/v2"
-	v3 "github.com/irisnet/irismod/modules/farm/migarations/v3"
+	v2 "github.com/irisnet/irismod/modules/farm/migrations/v2"
+	v3 "github.com/irisnet/irismod/modules/farm/migrations/v3"
 )
 
 // Migrator is a struct for handling in-place store migrations.
diff --git a/modules/farm/migarations/v2/migrate.go b/modules/farm/migrations/v2/migrate.go
similarity index 100%
rename from modules/farm/migarations/v2/migrate.go
rename to modules/farm/migrations/v2/migrate.go
diff --git a/modules/farm/migarations/v3/migrate.go b/modules/farm/migrations/v3/migrate.go
similarity index 100%
rename from modules/farm/migarations/v3/migrate.go
rename to modules/farm/migrations/v3/migrate.go
diff --git a/modules/farm/migrations/v3/migrate_test.go b/modules/farm/migrations/v3/migrate_test.go
new file mode 100644
index 00000000..eb25428a
--- /dev/null
+++ b/modules/farm/migrations/v3/migrate_test.go
@@ -0,0 +1,34 @@
+package v3_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
+
+	v3 "github.com/irisnet/irismod/modules/farm/migrations/v3"
+	farmtypes "github.com/irisnet/irismod/modules/farm/types"
+	"github.com/irisnet/irismod/simapp"
+)
+
+func TestMigrate(t *testing.T) {
+	app := simapp.Setup(t, false)
+	ctx := app.BaseApp.NewContext(false, tmproto.Header{})
+
+	legacySubspace := app.GetSubspace(farmtypes.ModuleName)
+
+	params := farmtypes.DefaultParams()
+	legacySubspace.SetParamSet(ctx, &params)
+
+	err := v3.Migrate(
+		ctx,
+		app.FarmKeeper,
+		legacySubspace,
+	)
+	require.NoError(t, err)
+
+	expParams := app.CoinswapKeeper.GetParams(ctx)
+	require.Equal(t, expParams, params, "v4.Migrate failed")
+
+}

From 782bb0e762c283c5bb2b9e662b513973f281b78b Mon Sep 17 00:00:00 2001
From: Dreamer <745124335@qq.com>
Date: Mon, 12 Jun 2023 15:56:51 +0800
Subject: [PATCH 6/9] fix test error

---
 modules/farm/migrations/v3/migrate_test.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/farm/migrations/v3/migrate_test.go b/modules/farm/migrations/v3/migrate_test.go
index eb25428a..d86bb4b5 100644
--- a/modules/farm/migrations/v3/migrate_test.go
+++ b/modules/farm/migrations/v3/migrate_test.go
@@ -28,7 +28,7 @@ func TestMigrate(t *testing.T) {
 	)
 	require.NoError(t, err)
 
-	expParams := app.CoinswapKeeper.GetParams(ctx)
-	require.Equal(t, expParams, params, "v4.Migrate failed")
+	expParams := app.FarmKeeper.GetParams(ctx)
+	require.Equal(t, expParams, params, "v3.Migrate failed")
 
 }

From 01697a319b96ef5c1eea60a84b5758b8305e0de1 Mon Sep 17 00:00:00 2001
From: Dreamer <745124335@qq.com>
Date: Tue, 13 Jun 2023 11:45:01 +0800
Subject: [PATCH 7/9] rename file

---
 modules/coinswap/types/{legacy_params.go => params_legacy.go} | 0
 modules/farm/types/{legacy_params.go => params_legacy.go}     | 0
 2 files changed, 0 insertions(+), 0 deletions(-)
 rename modules/coinswap/types/{legacy_params.go => params_legacy.go} (100%)
 rename modules/farm/types/{legacy_params.go => params_legacy.go} (100%)

diff --git a/modules/coinswap/types/legacy_params.go b/modules/coinswap/types/params_legacy.go
similarity index 100%
rename from modules/coinswap/types/legacy_params.go
rename to modules/coinswap/types/params_legacy.go
diff --git a/modules/farm/types/legacy_params.go b/modules/farm/types/params_legacy.go
similarity index 100%
rename from modules/farm/types/legacy_params.go
rename to modules/farm/types/params_legacy.go

From 19004d0500452d371eb805c8ef2d04c76739490a Mon Sep 17 00:00:00 2001
From: Dreamer <745124335@qq.com>
Date: Tue, 13 Jun 2023 13:57:50 +0800
Subject: [PATCH 8/9] format proto file

---
 go.mod                        |   2 +-
 modules/farm/types/farm.pb.go |   3 +-
 modules/farm/types/tx.pb.go   | 150 ++++++++++++++++++----------------
 proto/farm/farm.proto         |   3 +-
 proto/farm/query.proto        |   1 -
 proto/farm/tx.proto           |  44 ++++++----
 6 files changed, 113 insertions(+), 90 deletions(-)

diff --git a/go.mod b/go.mod
index 06420a2c..1326a956 100644
--- a/go.mod
+++ b/go.mod
@@ -25,6 +25,7 @@ require (
 	google.golang.org/grpc v1.54.0
 	google.golang.org/protobuf v1.30.0
 	gopkg.in/yaml.v2 v2.4.0
+	sigs.k8s.io/yaml v1.3.0
 )
 
 require (
@@ -163,7 +164,6 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	nhooyr.io/websocket v1.8.6 // indirect
 	pgregory.net/rapid v0.5.5 // indirect
-	sigs.k8s.io/yaml v1.3.0 // indirect
 )
 
 replace (
diff --git a/modules/farm/types/farm.pb.go b/modules/farm/types/farm.pb.go
index 07e07e94..42fb0725 100644
--- a/modules/farm/types/farm.pb.go
+++ b/modules/farm/types/farm.pb.go
@@ -234,7 +234,8 @@ func (m *EscrowInfo) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_EscrowInfo proto.InternalMessageInfo
 
-// CommunityPoolCreateFarmProposal is a gov Content type for creating a farm pool with community pool
+// CommunityPoolCreateFarmProposal is a gov Content type for creating a farm
+// pool with community pool
 type CommunityPoolCreateFarmProposal struct {
 	Title           string       `protobuf:"bytes,1,opt,name=title,proto3" json:"title,omitempty"`
 	Description     string       `protobuf:"bytes,2,opt,name=description,proto3" json:"description,omitempty"`
diff --git a/modules/farm/types/tx.pb.go b/modules/farm/types/tx.pb.go
index 3f489336..df0b96a8 100644
--- a/modules/farm/types/tx.pb.go
+++ b/modules/farm/types/tx.pb.go
@@ -76,7 +76,8 @@ func (m *MsgCreatePool) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgCreatePool proto.InternalMessageInfo
 
-// MsgCreatePoolWithCommunityPool defines a msg for creating a new farm pool by proposal
+// MsgCreatePoolWithCommunityPool defines a msg for creating a new farm pool by
+// proposal
 type MsgCreatePoolWithCommunityPool struct {
 	Content        CommunityPoolCreateFarmProposal          `protobuf:"bytes,1,opt,name=content,proto3" json:"content"`
 	InitialDeposit github_com_cosmos_cosmos_sdk_types.Coins `protobuf:"bytes,2,rep,name=initial_deposit,json=initialDeposit,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coins" json:"initial_deposit"`
@@ -236,7 +237,8 @@ func (m *MsgStake) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgStake proto.InternalMessageInfo
 
-// MsgUnstake defines a msg for unstaking some lp token from a farm pool and withdraw some reward
+// MsgUnstake defines a msg for unstaking some lp token from a farm pool and
+// withdraw some reward
 type MsgUnstake struct {
 	PoolId string                                  `protobuf:"bytes,1,opt,name=pool_id,json=poolId,proto3" json:"pool_id,omitempty"`
 	Amount github_com_cosmos_cosmos_sdk_types.Coin `protobuf:"bytes,2,opt,name=amount,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Coin" json:"amount"`
@@ -352,7 +354,8 @@ func (m *MsgCreatePoolResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgCreatePoolResponse proto.InternalMessageInfo
 
-// MsgCreatePoolWithCommunityPoolResponse defines the Msg/CreatePoolWithCommunityPool response type
+// MsgCreatePoolWithCommunityPoolResponse defines the
+// Msg/CreatePoolWithCommunityPool response type
 type MsgCreatePoolWithCommunityPoolResponse struct {
 }
 
@@ -583,7 +586,8 @@ var xxx_messageInfo_MsgHarvestResponse proto.InternalMessageInfo
 //
 // Since: cosmos-sdk 0.47
 type MsgUpdateParams struct {
-	// authority is the address that controls the module (defaults to x/gov unless overwritten).
+	// 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/coinswap parameters to update.
 	//
@@ -686,67 +690,69 @@ func init() {
 func init() { proto.RegisterFile("farm/tx.proto", fileDescriptor_6b714bf6ff5a5095) }
 
 var fileDescriptor_6b714bf6ff5a5095 = []byte{
-	// 954 bytes of a gzipped FileDescriptorProto
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+	// 987 bytes of a gzipped FileDescriptorProto
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+	0x42, 0x4c, 0xfe, 0x80, 0xf5, 0x96, 0xe2, 0x20, 0xfb, 0x88, 0x76, 0x44, 0x08, 0x3d, 0x84, 0x45,
+	0x4e, 0xb8, 0xe3, 0xf7, 0x63, 0xbb, 0x31, 0xff, 0xcf, 0x87, 0xac, 0xc9, 0x00, 0x3d, 0xc9, 0xaf,
+	0x9b, 0x50, 0x45, 0x2e, 0xe6, 0xce, 0xc0, 0x47, 0x46, 0xb9, 0xae, 0x35, 0xab, 0xbd, 0x74, 0xad,
+	0xb7, 0xa1, 0x32, 0x14, 0x25, 0x27, 0xd4, 0xa8, 0x88, 0x02, 0x76, 0x8c, 0x5f, 0x7e, 0xd8, 0x5a,
+	0x55, 0x3b, 0xb9, 0xe5, 0xba, 0x14, 0x31, 0x76, 0x97, 0x53, 0x1c, 0x7a, 0xbd, 0xc4, 0x71, 0x67,
+	0xe5, 0xcf, 0x6f, 0x36, 0xb5, 0x2f, 0x9f, 0x3e, 0xbc, 0x9e, 0x58, 0x1a, 0xdf, 0x17, 0xc1, 0x9a,
+	0x6a, 0xde, 0xc7, 0x98, 0x8f, 0x76, 0x49, 0x10, 0x8c, 0x43, 0xcc, 0x8f, 0x64, 0x37, 0xbb, 0x50,
+	0x19, 0x92, 0x90, 0xa3, 0x90, 0xcb, 0x4e, 0xd6, 0xda, 0x5b, 0xad, 0xac, 0xf4, 0x5a, 0x53, 0xde,
+	0x31, 0xd1, 0x7b, 0x0e, 0x0d, 0xf6, 0x29, 0x89, 0x08, 0x73, 0xfc, 0xce, 0x9c, 0xa8, 0x41, 0x2f,
+	0xe1, 0xd0, 0x39, 0x2c, 0xe3, 0x10, 0x73, 0xec, 0xf8, 0x7d, 0x17, 0x45, 0x84, 0x61, 0x6e, 0x14,
+	0x2f, 0xa1, 0x73, 0x2a, 0xc6, 0x5e, 0x1c, 0x42, 0xbf, 0x09, 0xd5, 0x48, 0x6e, 0x08, 0x51, 0xa9,
+	0xa7, 0xbc, 0x72, 0xa5, 0x9e, 0x3b, 0x57, 0x93, 0x7a, 0xa5, 0xa6, 0xc6, 0x3d, 0x58, 0xea, 0x32,
+	0x6f, 0x0f, 0x31, 0x4e, 0x49, 0x5c, 0x9f, 0x35, 0xa8, 0x44, 0x84, 0xf8, 0x7d, 0xec, 0x2a, 0xa5,
+	0x97, 0xc5, 0xf2, 0x7d, 0x57, 0x37, 0x26, 0x1d, 0x8a, 0x25, 0x9e, 0xd3, 0x87, 0x27, 0x45, 0x39,
+	0x44, 0xb7, 0xdc, 0xcf, 0xc6, 0x8c, 0xe7, 0xd3, 0x3e, 0x80, 0xab, 0x8e, 0xeb, 0x62, 0x31, 0x47,
+	0x13, 0x25, 0x5e, 0x42, 0x09, 0x57, 0x26, 0x51, 0x94, 0x1c, 0xcf, 0x9a, 0xba, 0xd2, 0xe5, 0x4f,
+	0x5d, 0x46, 0xe9, 0x73, 0x17, 0x57, 0xfa, 0x4f, 0x1a, 0x54, 0xbb, 0xcc, 0xbb, 0xcb, 0x9d, 0x03,
+	0x74, 0x7e, 0x71, 0x07, 0x50, 0x76, 0x02, 0x32, 0x0e, 0xb9, 0x6c, 0x59, 0x6e, 0x62, 0xb6, 0x48,
+	0xec, 0xb7, 0xc7, 0x9b, 0x6f, 0x3c, 0x67, 0x62, 0x3d, 0xc5, 0xac, 0xdf, 0x80, 0x32, 0x43, 0xa1,
+	0xfb, 0x1c, 0x4a, 0x54, 0x7e, 0x3b, 0xcb, 0x49, 0x36, 0xca, 0xd0, 0xf8, 0x59, 0x03, 0xe8, 0x32,
+	0xef, 0x5e, 0xc8, 0xfe, 0x17, 0xe9, 0x8c, 0x64, 0x36, 0xb7, 0x1d, 0x7a, 0x88, 0x18, 0x3f, 0x3f,
+	0x9b, 0x49, 0xa4, 0xe2, 0x45, 0x23, 0xad, 0xc1, 0x0b, 0x53, 0xc7, 0x5d, 0x0f, 0xb1, 0x88, 0x84,
+	0x0c, 0x35, 0x9a, 0xf0, 0x7a, 0xfe, 0x39, 0x98, 0x7a, 0x1a, 0x70, 0x6d, 0xfa, 0x04, 0x48, 0x91,
+	0x98, 0x7c, 0x32, 0xc3, 0x29, 0x70, 0x1f, 0x56, 0x12, 0xe9, 0x25, 0x36, 0x7d, 0x08, 0xe5, 0xcb,
+	0x9b, 0x5d, 0x45, 0xdd, 0x38, 0x02, 0x7d, 0x22, 0x93, 0xff, 0x22, 0xb4, 0xea, 0xe9, 0xbf, 0x1b,
+	0xfa, 0x2b, 0x0d, 0x96, 0x45, 0xda, 0x91, 0x2b, 0x9a, 0xe9, 0x50, 0x27, 0x60, 0xfa, 0xdb, 0xb0,
+	0xe0, 0x8c, 0xf9, 0x88, 0x50, 0xcc, 0x8f, 0x62, 0x59, 0xe5, 0xc8, 0x67, 0xe2, 0xaa, 0xb7, 0xa1,
+	0x1c, 0x49, 0x06, 0x35, 0x41, 0xab, 0xd3, 0x97, 0x5f, 0xcc, 0xae, 0xee, 0x38, 0xe5, 0xb9, 0xb3,
+	0x24, 0x14, 0x37, 0xe1, 0x68, 0xac, 0xc3, 0xda, 0x33, 0xdb, 0x49, 0xea, 0xd1, 0xfe, 0x76, 0x1e,
+	0x4a, 0x5d, 0xe6, 0xe9, 0x77, 0x00, 0x32, 0x7f, 0xa0, 0x36, 0xa6, 0x83, 0x4c, 0x09, 0xd3, 0x7c,
+	0x25, 0x07, 0x4c, 0xeb, 0xfc, 0x85, 0x06, 0x1b, 0x79, 0x97, 0xfa, 0x9b, 0x39, 0x24, 0x33, 0xde,
+	0xe6, 0xcd, 0xbf, 0xe3, 0x9d, 0xee, 0xe1, 0x43, 0xa8, 0x65, 0xef, 0xc9, 0x17, 0x67, 0x48, 0x32,
+	0xa8, 0xf9, 0x6a, 0x1e, 0x9a, 0x52, 0xde, 0x01, 0xc8, 0x5c, 0x91, 0xb3, 0x65, 0x9a, 0x80, 0x67,
+	0x94, 0x69, 0x76, 0x30, 0xf5, 0x77, 0x60, 0x3e, 0xbe, 0x10, 0xae, 0xcd, 0x78, 0x4b, 0xbb, 0x69,
+	0x9d, 0x6d, 0x4f, 0x09, 0xde, 0x85, 0x4a, 0x72, 0x08, 0x1b, 0x33, 0xae, 0x0a, 0x31, 0xeb, 0xe7,
+	0x21, 0x59, 0x9a, 0xe4, 0xf4, 0x9b, 0xa5, 0x51, 0xc8, 0x19, 0x34, 0xcf, 0x4e, 0xd7, 0x47, 0xb0,
+	0x38, 0x25, 0xfa, 0x97, 0x66, 0x03, 0x67, 0x60, 0xf3, 0xb5, 0x5c, 0x38, 0x61, 0x35, 0xe7, 0x3f,
+	0x7f, 0xfa, 0xf0, 0xba, 0xd6, 0xf9, 0xe0, 0xf8, 0x0f, 0xab, 0x70, 0x7c, 0x62, 0x69, 0x8f, 0x4e,
+	0x2c, 0xed, 0xf7, 0x13, 0x4b, 0xfb, 0xfa, 0xd4, 0x2a, 0x3c, 0x3a, 0xb5, 0x0a, 0xbf, 0x9e, 0x5a,
+	0x85, 0x4f, 0xb6, 0x32, 0x53, 0x2a, 0x58, 0x43, 0xc4, 0x6d, 0xc5, 0x6e, 0x07, 0xc4, 0x1d, 0xfb,
+	0x88, 0xd9, 0xf1, 0x0b, 0x8c, 0x18, 0xd8, 0x41, 0x59, 0xbe, 0x3b, 0xbc, 0xf5, 0x57, 0x00, 0x00,
+	0x00, 0xff, 0xff, 0x7c, 0x4d, 0xa1, 0xef, 0xd5, 0x0c, 0x00, 0x00,
 }
 
 func (this *MsgCreatePool) Equal(that interface{}) bool {
@@ -1016,12 +1022,13 @@ type MsgClient interface {
 	AdjustPool(ctx context.Context, in *MsgAdjustPool, opts ...grpc.CallOption) (*MsgAdjustPoolResponse, error)
 	// Stake defines a method for staking some lp token to a farm pool
 	Stake(ctx context.Context, in *MsgStake, opts ...grpc.CallOption) (*MsgStakeResponse, error)
-	// Unstake defines a method for unstaking some lp token from a farm pool and withdraw some reward
+	// Unstake defines a method for unstaking some lp token from a farm pool and
+	// withdraw some reward
 	Unstake(ctx context.Context, in *MsgUnstake, opts ...grpc.CallOption) (*MsgUnstakeResponse, error)
 	// Harvest defines a method withdraw some reward from a farm pool
 	Harvest(ctx context.Context, in *MsgHarvest, opts ...grpc.CallOption) (*MsgHarvestResponse, error)
-	// UpdateParams defines a governance operation for updating the x/coinswap module parameters.
-	// The authority is defined in the keeper.
+	// UpdateParams defines a governance operation for updating the x/coinswap
+	// module parameters. The authority is defined in the keeper.
 	//
 	// Since: cosmos-sdk 0.47
 	UpdateParams(ctx context.Context, in *MsgUpdateParams, opts ...grpc.CallOption) (*MsgUpdateParamsResponse, error)
@@ -1119,12 +1126,13 @@ type MsgServer interface {
 	AdjustPool(context.Context, *MsgAdjustPool) (*MsgAdjustPoolResponse, error)
 	// Stake defines a method for staking some lp token to a farm pool
 	Stake(context.Context, *MsgStake) (*MsgStakeResponse, error)
-	// Unstake defines a method for unstaking some lp token from a farm pool and withdraw some reward
+	// Unstake defines a method for unstaking some lp token from a farm pool and
+	// withdraw some reward
 	Unstake(context.Context, *MsgUnstake) (*MsgUnstakeResponse, error)
 	// Harvest defines a method withdraw some reward from a farm pool
 	Harvest(context.Context, *MsgHarvest) (*MsgHarvestResponse, error)
-	// UpdateParams defines a governance operation for updating the x/coinswap module parameters.
-	// The authority is defined in the keeper.
+	// UpdateParams defines a governance operation for updating the x/coinswap
+	// module parameters. The authority is defined in the keeper.
 	//
 	// Since: cosmos-sdk 0.47
 	UpdateParams(context.Context, *MsgUpdateParams) (*MsgUpdateParamsResponse, error)
diff --git a/proto/farm/farm.proto b/proto/farm/farm.proto
index 9a51fdc9..5068d9c3 100644
--- a/proto/farm/farm.proto
+++ b/proto/farm/farm.proto
@@ -92,7 +92,8 @@ message EscrowInfo {
   uint64 proposal_id = 4;
 }
 
-// CommunityPoolCreateFarmProposal is a gov Content type for creating a farm pool with community pool
+// CommunityPoolCreateFarmProposal is a gov Content type for creating a farm
+// pool with community pool
 message CommunityPoolCreateFarmProposal {
   option (gogoproto.equal) = true;
   option (gogoproto.goproto_stringer) = false;
diff --git a/proto/farm/query.proto b/proto/farm/query.proto
index 40f0d64e..c58c7d2e 100644
--- a/proto/farm/query.proto
+++ b/proto/farm/query.proto
@@ -76,7 +76,6 @@ message QueryFarmPoolRequest { string id = 1; }
 // QueryFarmPoolResponse is response type for the Query/FarmPool RPC method
 message QueryFarmPoolResponse { FarmPoolEntry pool = 1; }
 
-
 // QueryFarmerRequest is request type for the Query/Farmer RPC method
 message QueryFarmerRequest {
   string farmer = 1;
diff --git a/proto/farm/tx.proto b/proto/farm/tx.proto
index 0514f80b..97433f6a 100644
--- a/proto/farm/tx.proto
+++ b/proto/farm/tx.proto
@@ -12,6 +12,8 @@ option (gogoproto.goproto_getters_all) = false;
 
 // Msg defines the farm Msg service.
 service Msg {
+  option (cosmos.msg.v1.service) = true;
+
   // CreatePool defines a method for creating a new farm pool
   rpc CreatePool(MsgCreatePool) returns (MsgCreatePoolResponse);
 
@@ -28,14 +30,15 @@ service Msg {
   // Stake defines a method for staking some lp token to a farm pool
   rpc Stake(MsgStake) returns (MsgStakeResponse);
 
-  // Unstake defines a method for unstaking some lp token from a farm pool and withdraw some reward
+  // Unstake defines a method for unstaking some lp token from a farm pool and
+  // withdraw some reward
   rpc Unstake(MsgUnstake) returns (MsgUnstakeResponse);
 
   // Harvest defines a method withdraw some reward from a farm pool
   rpc Harvest(MsgHarvest) returns (MsgHarvestResponse);
 
-  // UpdateParams defines a governance operation for updating the x/coinswap module parameters.
-  // The authority is defined in the keeper.
+  // UpdateParams defines a governance operation for updating the x/coinswap
+  // module parameters. The authority is defined in the keeper.
   //
   // Since: cosmos-sdk 0.47
   rpc UpdateParams(MsgUpdateParams) returns (MsgUpdateParamsResponse);
@@ -44,6 +47,7 @@ service Msg {
 // MsgCreatePool defines a msg for creating a new farm pool
 message MsgCreatePool {
   option (gogoproto.equal) = true;
+  option (cosmos.msg.v1.signer) = "creator";
 
   string description = 1;
   string lpt_denom = 2;
@@ -57,24 +61,27 @@ message MsgCreatePool {
     (gogoproto.nullable) = false
   ];
   bool editable = 6;
-  string creator = 7;
+  string creator = 7 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
 }
 
-// MsgCreatePoolWithCommunityPool defines a msg for creating a new farm pool by proposal
+// MsgCreatePoolWithCommunityPool defines a msg for creating a new farm pool by
+// proposal
 message MsgCreatePoolWithCommunityPool {
   option (gogoproto.equal) = true;
+  option (cosmos.msg.v1.signer) = "proposer";
 
   CommunityPoolCreateFarmProposal content = 1 [ (gogoproto.nullable) = false ];
   repeated cosmos.base.v1beta1.Coin initial_deposit = 2 [
     (gogoproto.nullable) = false,
     (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"
   ];
-  string proposer = 3;
+  string proposer = 3 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
 }
 
 // MsgDestroyPool defines a msg for destroying a existed farm pool
 message MsgDestroyPool {
   option (gogoproto.equal) = true;
+  option (cosmos.msg.v1.signer) = "creator";
 
   string pool_id = 1;
   string creator = 2;
@@ -83,6 +90,7 @@ message MsgDestroyPool {
 // MsgAdjustPool defines a msg for adjusting the farm pool params
 message MsgAdjustPool {
   option (gogoproto.equal) = true;
+  option (cosmos.msg.v1.signer) = "creator";
 
   string pool_id = 1;
   repeated cosmos.base.v1beta1.Coin additional_reward = 2 [
@@ -93,45 +101,50 @@ message MsgAdjustPool {
     (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
     (gogoproto.nullable) = false
   ];
-  string creator = 4;
+  string creator = 4 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
 }
 
 // MsgStake defines a msg for staking some lp token to a farm pool
 message MsgStake {
   option (gogoproto.equal) = true;
+  option (cosmos.msg.v1.signer) = "sender";
 
   string pool_id = 1;
   cosmos.base.v1beta1.Coin amount = 2 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Coin",
     (gogoproto.nullable) = false
   ];
-  string sender = 3;
+  string sender = 3 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
 }
 
-// MsgUnstake defines a msg for unstaking some lp token from a farm pool and withdraw some reward
+// MsgUnstake defines a msg for unstaking some lp token from a farm pool and
+// withdraw some reward
 message MsgUnstake {
   option (gogoproto.equal) = true;
+  option (cosmos.msg.v1.signer) = "sender";
 
   string pool_id = 1;
   cosmos.base.v1beta1.Coin amount = 2 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Coin",
     (gogoproto.nullable) = false
   ];
-  string sender = 3;
+  string sender = 3 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
 }
 
 // MsgHarvest defines a msg withdraw some reward from a farm pool
 message MsgHarvest {
   option (gogoproto.equal) = true;
+  option (cosmos.msg.v1.signer) = "sender";
 
   string pool_id = 1;
-  string sender = 2;
+  string sender = 2 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
 }
 
 // MsgCreatePoolResponse defines the Msg/CreatePool response type
 message MsgCreatePoolResponse {}
 
-// MsgCreatePoolWithCommunityPoolResponse defines the Msg/CreatePoolWithCommunityPool response type
+// MsgCreatePoolWithCommunityPoolResponse defines the
+// Msg/CreatePoolWithCommunityPool response type
 message MsgCreatePoolWithCommunityPoolResponse {}
 
 // MsgDestroyPoolResponse defines the Msg/DestroyPool response type
@@ -170,13 +183,14 @@ message MsgHarvestResponse {
 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"];
+  // 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/coinswap parameters to update.
   //
   // NOTE: All parameters must be supplied.
-  Params params = 2 [(gogoproto.nullable) = false];
+  Params params = 2 [ (gogoproto.nullable) = false ];
 }
 
 // MsgUpdateParamsResponse defines the response structure for executing a

From 2152e05c46d30233dd62489b40f24039e3b72f07 Mon Sep 17 00:00:00 2001
From: Dreamer <745124335@qq.com>
Date: Tue, 13 Jun 2023 16:03:20 +0800
Subject: [PATCH 9/9] remove unused code

---
 modules/farm/keeper/params.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/farm/keeper/params.go b/modules/farm/keeper/params.go
index 06d483da..46a017ff 100644
--- a/modules/farm/keeper/params.go
+++ b/modules/farm/keeper/params.go
@@ -44,7 +44,7 @@ func (k Keeper) SetParams(ctx sdk.Context, params types.Params) error {
 	if err != nil {
 		return err
 	}
-	store.Set([]byte(types.ParamsKey), bz)
+	store.Set(types.ParamsKey, bz)
 
 	return nil
 }