From 79626613a874f3a246b0c7e1f0786ded8b300515 Mon Sep 17 00:00:00 2001
From: Chandragupta Singh <chandragupta.singh4@gmail.com>
Date: Mon, 11 Mar 2024 22:27:31 +0530
Subject: [PATCH] update params added

---
 app/app.go                               |  1 +
 x/gasless/keeper/keeper.go               |  3 ++
 x/gasless/keeper/msg_server.go           | 13 +++++++++
 x/gasless/types/codec.go                 |  4 +++
 x/gasless/types/message_update_params.go | 35 ++++++++++++++++++++++++
 5 files changed, 56 insertions(+)
 create mode 100644 x/gasless/types/message_update_params.go

diff --git a/app/app.go b/app/app.go
index 8542f5839..6a58b7642 100644
--- a/app/app.go
+++ b/app/app.go
@@ -971,6 +971,7 @@ func New(
 		app.AccountKeeper,
 		app.BankKeeper,
 		&app.WasmKeeper,
+		govModAddress,
 	)
 
 	// ICQ Keeper
diff --git a/x/gasless/keeper/keeper.go b/x/gasless/keeper/keeper.go
index 220b7a17f..597cc224a 100644
--- a/x/gasless/keeper/keeper.go
+++ b/x/gasless/keeper/keeper.go
@@ -25,6 +25,7 @@ type Keeper struct {
 	accountKeeper expected.AccountKeeper
 	bankKeeper    expected.BankKeeper
 	wasmKeeper    *wasmkeeper.Keeper
+	authority     string
 }
 
 // NewKeeper creates a new gasless Keeper instance.
@@ -36,6 +37,7 @@ func NewKeeper(
 	accountKeeper expected.AccountKeeper,
 	bankKeeper expected.BankKeeper,
 	wasmKeeper *wasmkeeper.Keeper,
+	authority string,
 ) Keeper {
 	if !paramSpace.HasKeyTable() {
 		paramSpace = paramSpace.WithKeyTable(types.ParamKeyTable())
@@ -49,6 +51,7 @@ func NewKeeper(
 		accountKeeper:     accountKeeper,
 		bankKeeper:        bankKeeper,
 		wasmKeeper:        wasmKeeper,
+		authority:         authority,
 	}
 }
 
diff --git a/x/gasless/keeper/msg_server.go b/x/gasless/keeper/msg_server.go
index 2a145e58b..679c72932 100644
--- a/x/gasless/keeper/msg_server.go
+++ b/x/gasless/keeper/msg_server.go
@@ -2,9 +2,11 @@ package keeper
 
 import (
 	"context"
+	"cosmossdk.io/errors"
 
 	"github.com/comdex-official/comdex/x/gasless/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
 )
 
 type msgServer struct {
@@ -95,3 +97,14 @@ func (m msgServer) UpdateGasConsumerLimit(goCtx context.Context, msg *types.MsgU
 
 	return &types.MsgUpdateGasConsumerLimitResponse{}, nil
 }
+
+func (k msgServer) UpdateParams(goCtx context.Context, req *types.MsgUpdateParams) (*types.MsgUpdateParamsResponse, error) {
+	if k.authority != req.Authority {
+		return nil, errors.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", k.authority, req.Authority)
+	}
+
+	ctx := sdk.UnwrapSDKContext(goCtx)
+	k.SetParams(ctx, req.Params)
+
+	return &types.MsgUpdateParamsResponse{}, nil
+}
diff --git a/x/gasless/types/codec.go b/x/gasless/types/codec.go
index 503aacfe4..0c76ef7c9 100644
--- a/x/gasless/types/codec.go
+++ b/x/gasless/types/codec.go
@@ -4,6 +4,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/codec"
 	cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
 	cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
+	"github.com/cosmos/cosmos-sdk/codec/legacy"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/msgservice"
 	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
@@ -19,6 +20,8 @@ func RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
 	cdc.RegisterConcrete(&MsgBlockConsumer{}, "comdex/gasless/MsgBlockConsumer", nil)
 	cdc.RegisterConcrete(&MsgUnblockConsumer{}, "comdex/gasless/MsgUnblockConsumer", nil)
 	cdc.RegisterConcrete(&MsgUpdateGasConsumerLimit{}, "comdex/gasless/MsgUpdateGasConsumerLimit", nil)
+	cdc.RegisterConcrete(&Params{}, "comdex/gasless/Params", nil)
+	legacy.RegisterAminoMsg(cdc, &MsgUpdateParams{}, "comdex/gasless/MsgUpdateParams")
 }
 
 // RegisterInterfaces registers the x/gasless interfaces types with the
@@ -37,6 +40,7 @@ func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
 		&MsgBlockConsumer{},
 		&MsgUnblockConsumer{},
 		&MsgUpdateGasConsumerLimit{},
+		&MsgUpdateParams{},
 	)
 
 	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
diff --git a/x/gasless/types/message_update_params.go b/x/gasless/types/message_update_params.go
new file mode 100644
index 000000000..9c12198b2
--- /dev/null
+++ b/x/gasless/types/message_update_params.go
@@ -0,0 +1,35 @@
+package types
+
+import (
+	errorsmod "cosmossdk.io/errors"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+var _ sdk.Msg = &MsgUpdateParams{}
+
+func (msg *MsgUpdateParams) Route() string {
+	return RouterKey
+}
+
+func (msg *MsgUpdateParams) Type() string {
+	return "update-params"
+}
+
+func (msg *MsgUpdateParams) GetSigners() []sdk.AccAddress {
+	authority, err := sdk.AccAddressFromBech32(msg.Authority)
+	if err != nil { // should never happen as valid basic rejects invalid addresses
+		panic(err.Error())
+	}
+	return []sdk.AccAddress{authority}
+}
+
+func (msg *MsgUpdateParams) GetSignBytes() []byte {
+	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(msg))
+}
+
+func (msg *MsgUpdateParams) ValidateBasic() error {
+	if _, err := sdk.AccAddressFromBech32(msg.Authority); err != nil {
+		return errorsmod.Wrap(err, "authority is invalid")
+	}
+	return nil
+}