update params

app/app.go

@@ -1046,6 +1046,7 @@ func NewElysApp(
 		appCodec,
 		keys[tradeshieldmoduletypes.StoreKey],
 		keys[tradeshieldmoduletypes.MemStoreKey],
+		authtypes.NewModuleAddress(govtypes.ModuleName).String(),
 	)
 	tradeshieldModule := tradeshieldmodule.NewAppModule(appCodec, app.TradeshieldKeeper, app.AccountKeeper, app.BankKeeper)
 

testutil/keeper/tradeshield.go

@@ -11,6 +11,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/store"
 	storetypes "github.com/cosmos/cosmos-sdk/store/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/address"
 	"github.com/elys-network/elys/x/tradeshield/keeper"
 	"github.com/elys-network/elys/x/tradeshield/types"
 	"github.com/stretchr/testify/require"
@@ -28,11 +29,13 @@ func TradeshieldKeeper(t testing.TB) (*keeper.Keeper, sdk.Context) {
 
 	registry := codectypes.NewInterfaceRegistry()
 	cdc := codec.NewProtoCodec(registry)
+	govAddress := sdk.AccAddress(address.Module("gov"))
 
 	k := keeper.NewKeeper(
 		cdc,
 		storeKey,
 		memStoreKey,
+		govAddress.String(),
 	)
 
 	ctx := sdk.NewContext(stateStore, tmproto.Header{}, false, log.NewNopLogger())

x/tradeshield/client/cli/tx_update_params_test.go

@@ -0,0 +1,51 @@
+package cli_test
+
+import (
+	"testing"
+
+	clitestutil "github.com/cosmos/cosmos-sdk/testutil/cli"
+	"github.com/stretchr/testify/require"
+
+	"github.com/elys-network/elys/testutil/network"
+	"github.com/elys-network/elys/x/tradeshield/client/cli"
+)
+
+func setupNetwork(t *testing.T) *network.Network {
+	t.Helper()
+
+	cfg := network.DefaultConfig()
+	return network.New(t, cfg)
+}
+
+func TestGovUpdateParams(t *testing.T) {
+	net := setupNetwork(t)
+	ctx := net.Validators[0].ClientCtx
+	val := net.Validators[0]
+
+	// Use baseURL to make API HTTP requests or use val.RPCClient to make direct
+	// Tendermint RPC calls.
+	// ...
+
+	args := []string{
+		"--title=test",
+		"--summary=test",
+		"--metadata=test",
+		"--deposit=1000000uelys",
+		"--market-order-enabled=true",
+		"--stake-enabled=true",
+		"--process-orders-enabled=true",
+		"--swap-enabled=true",
+		"--perpetual-enabled=true",
+		"--reward-enabled=true",
+		"--leverage-enabled=true",
+		"--limit-process-order=10000",
+		"--reward-percentage=0.1",
+		"--margin-error=0.1",
+		"--minimum-deposit=1000000",
+		"--from=" + val.Address.String(),
+		"-y",
+	}
+
+	_, err := clitestutil.ExecTestCLICmd(ctx, cli.CmdUpdateParams(), args)
+	require.NoError(t, err)
+}

x/tradeshield/keeper/keeper.go

@@ -13,21 +13,24 @@ import (
 
 type (
 	Keeper struct {
-		cdc      codec.BinaryCodec
-		storeKey storetypes.StoreKey
-		memKey   storetypes.StoreKey
+		cdc       codec.BinaryCodec
+		storeKey  storetypes.StoreKey
+		memKey    storetypes.StoreKey
+		authority string
 	}
 )
 
 func NewKeeper(
 	cdc codec.BinaryCodec,
 	storeKey,
 	memKey storetypes.StoreKey,
+	authority string,
 ) *Keeper {
 	return &Keeper{
-		cdc:      cdc,
-		storeKey: storeKey,
-		memKey:   memKey,
+		cdc:       cdc,
+		storeKey:  storeKey,
+		memKey:    memKey,
+		authority: authority,
 	}
 }
 

x/tradeshield/keeper/msg_server_update_params.go

@@ -3,15 +3,23 @@ package keeper
 import (
 	"context"
 
+	errorsmod "cosmossdk.io/errors"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
 	"github.com/elys-network/elys/x/tradeshield/types"
 )
 
 func (k msgServer) UpdateParams(goCtx context.Context, msg *types.MsgUpdateParams) (*types.MsgUpdateParamsResponse, error) {
 	ctx := sdk.UnwrapSDKContext(goCtx)
 
-	// TODO: Handling the message
-	_ = ctx
+	if k.authority != msg.Authority {
+		return nil, errorsmod.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", k.authority, msg.Authority)
+	}
+
+	// store params
+	if err := k.SetParams(ctx, msg.Params); err != nil {
+		return nil, err
+	}
 
 	return &types.MsgUpdateParamsResponse{}, nil
 }