fix: init gov MinDepositRatio params

CHANGELOG.md

@@ -16,6 +16,7 @@
 * (IRISHub) [\#2918](https://github.com/irisnet/irishub/pull/2918) Adjusting the parameters of the ica module.
 * (IRISHub) [\#2919](https://github.com/irisnet/irishub/pull/2919) Adjusting gov config.
 * (IRISHub) [\#2924](https://github.com/irisnet/irishub/pull/2924) Update evm `AllowUnprotectedTxs` params.
+* (IRISHub) [\#2928](https://github.com/irisnet/irishub/pull/2928) Initialize gov `MinDepositRatio` params.
 * (IRISMod) [\#385](https://github.com/irisnet/irismod/pull/385) Bump cosmos-sdk to v0.47.9-ics-lsm.
 
 ## 2.1.0

app/upgrades/v300/constants.go

@@ -19,5 +19,8 @@ var (
 	// BeaconContractAddress is the address of the beacon contract
 	BeaconContractAddress = ""
 
+	// MinDepositRatio is the minimum deposit ratio
+	MinDepositRatio = sdk.MustNewDecFromStr("0.01")
+
 	allowMessages = []string{"*"}
 )

app/upgrades/v300/upgrades.go

@@ -37,6 +37,10 @@ func upgradeHandlerConstructor(
 		if err := mergeToken(ctx, box); err != nil {
 			return nil, err
 		}
+
+		if err := mergeGov(ctx, box); err != nil {
+			return nil, err
+		}
 		// initialize ICS27 module
 		initICAModule(ctx, m, fromVM)
 
@@ -84,3 +88,11 @@ func mergeToken(ctx sdk.Context, box upgrades.Toolbox) error {
 	params.Beacon = BeaconContractAddress
 	return box.TokenKeeper.SetParams(ctx, params)
 }
+
+func mergeGov(ctx sdk.Context, box upgrades.Toolbox) error {
+	ctx.Logger().Info("start to run gov module migrations...")
+
+	params := box.GovKeeper.GetParams(ctx)
+	params.MinDepositRatio = MinDepositRatio.String()
+	return box.GovKeeper.SetParams(ctx, params)
+}