fix: v1 not accounted for in deposit check

custom/auth/ante/min_initial_deposit.go

@@ -7,6 +7,7 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	govkeeper "github.com/cosmos/cosmos-sdk/x/gov/keeper"
+	govv1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1"
 	govv1beta1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
 )
 
@@ -26,24 +27,34 @@ func NewMinInitialDepositDecorator(govKeeper govkeeper.Keeper, treasuryKeeper Tr
 
 // IsMsgSubmitProposal checks whether the input msg is a MsgSubmitProposal
 func IsMsgSubmitProposal(msg sdk.Msg) bool {
-	_, ok := msg.(*govv1beta1.MsgSubmitProposal)
-	return ok
+	_, okv1beta1 := msg.(*govv1beta1.MsgSubmitProposal)
+	_, okv1 := msg.(*govv1.MsgSubmitProposal)
+	return okv1beta1 || okv1
 }
 
 // HandleCheckMinInitialDeposit
 func HandleCheckMinInitialDeposit(ctx sdk.Context, msg sdk.Msg, govKeeper govkeeper.Keeper, treasuryKeeper TreasuryKeeper) (err error) {
-	submitPropMsg, ok := msg.(*govv1beta1.MsgSubmitProposal)
-	if !ok {
+	submitPropMsgV1Beta1, okV1Beta1 := msg.(*govv1beta1.MsgSubmitProposal)
+	submitPropMsgV1, okV1 := msg.(*govv1.MsgSubmitProposal)
+
+	if !(okV1Beta1 || okV1) {
 		return fmt.Errorf("could not dereference msg as MsgSubmitProposal")
 	}
 
+	var initialDepositCoins sdk.Coins
+
+	if okV1Beta1 {
+		initialDepositCoins = submitPropMsgV1Beta1.GetInitialDeposit()
+	} else if okV1 {
+		initialDepositCoins = submitPropMsgV1.GetInitialDeposit()
+	}
+
 	minDeposit := govKeeper.GetDepositParams(ctx).MinDeposit
 	requiredAmount := sdk.NewDecFromInt(minDeposit[0].Amount).Mul(treasuryKeeper.GetMinInitialDepositRatio(ctx)).TruncateInt()
 
 	requiredDepositCoins := sdk.NewCoins(
 		sdk.NewCoin(core.MicroLunaDenom, requiredAmount),
 	)
-	initialDepositCoins := submitPropMsg.GetInitialDeposit()
 
 	if !initialDepositCoins.IsAllGTE(requiredDepositCoins) {
 		return fmt.Errorf("not enough initial deposit provided. Expected %q; got %q", requiredDepositCoins, initialDepositCoins)