From 8e10ac8291e3e46957ef70a3e9f84e2796d1fa23 Mon Sep 17 00:00:00 2001
From: Senna46 <29295263+Senna46@users.noreply.github.com>
Date: Thu, 8 Jun 2023 21:44:38 +0900
Subject: [PATCH] feat: min_deposit_rate too high

---
 x/nftbackedloan/keeper/utils.go | 9 +++++++--
 x/nftbackedloan/types/errors.go | 1 +
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/x/nftbackedloan/keeper/utils.go b/x/nftbackedloan/keeper/utils.go
index 4b9e4c06f..936d25bd7 100644
--- a/x/nftbackedloan/keeper/utils.go
+++ b/x/nftbackedloan/keeper/utils.go
@@ -20,10 +20,10 @@ func validateListNftMsg(k Keeper, ctx sdk.Context, msg *types.MsgListNft) error
 	if err != nil {
 		return err
 	}
-	return checkListNft(k, ctx, sender, msg.NftId, msg.BidToken)
+	return checkListNft(k, ctx, sender, msg.NftId, msg.BidToken, msg.MinimumDepositRate)
 }
 
-func checkListNft(k Keeper, ctx sdk.Context, sender sdk.AccAddress, nftId types.NftIdentifier, bidToken string) error {
+func checkListNft(k Keeper, ctx sdk.Context, sender sdk.AccAddress, nftId types.NftIdentifier, bidToken string, minimumDepositRate sdk.Dec) error {
 	// check listing already exists
 	_, err := k.GetNftListingByIdBytes(ctx, nftId.IdBytes())
 	if err == nil {
@@ -45,5 +45,10 @@ func checkListNft(k Keeper, ctx sdk.Context, sender sdk.AccAddress, nftId types.
 	for !Contains(params.BidTokens, bidToken) {
 		return types.ErrNotSupportedBidToken
 	}
+
+	if minimumDepositRate.GTE(sdk.MustNewDecFromStr("0.5")) {
+		return types.ErrMinimumDepositRateTooHigh
+	}
+
 	return nil
 }
diff --git a/x/nftbackedloan/types/errors.go b/x/nftbackedloan/types/errors.go
index 2af8827ce..3169c7d00 100644
--- a/x/nftbackedloan/types/errors.go
+++ b/x/nftbackedloan/types/errors.go
@@ -44,4 +44,5 @@ var (
 	ErrInsufficientBalance               = sdkerrors.Register(ModuleName, 37, "insufficient balance")
 	ErrSmallBiddingPeriod                = sdkerrors.Register(ModuleName, 38, "bidding period is too short")
 	ErrNotExistsNft                      = sdkerrors.Register(ModuleName, 39, "not exists nft")
+	ErrMinimumDepositRateTooHigh         = sdkerrors.Register(ModuleName, 40, "minimum deposit rate too high")
 )