From 6e6a7f65a0b1064fffb720415b6bdfcb95690e39 Mon Sep 17 00:00:00 2001
From: kenta-elys <kenta@elys.enetwork>
Date: Fri, 24 Nov 2023 07:54:20 +0000
Subject: [PATCH] chore: add exception handling in amm price query and fix
 price feeder tx issue

---
 config.yml                                    | 2 ++
 x/amm/client/wasm/query_amm_price_by_denom.go | 9 +++++++++
 x/oracle/client/cli/tx_price_feeder.go        | 2 +-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/config.yml b/config.yml
index dbd473a71..d45b68926 100644
--- a/config.yml
+++ b/config.yml
@@ -419,6 +419,8 @@ genesis:
       priceFeeders:
         - feeder: "elys12tzylat4udvjj56uuhu3vj2n4vgp7cf9fwna9w"
           is_active: true
+        - feeder: "elys1v30pe777dj9mgsnlv0j2c5wh05m0ya0nlhuv7t"
+          is_active: true
       prices:
         - asset: USDT
           price: "1.00"
diff --git a/x/amm/client/wasm/query_amm_price_by_denom.go b/x/amm/client/wasm/query_amm_price_by_denom.go
index e20c2c206..08bd0c465 100644
--- a/x/amm/client/wasm/query_amm_price_by_denom.go
+++ b/x/amm/client/wasm/query_amm_price_by_denom.go
@@ -17,6 +17,15 @@ func (oq *Querier) queryAmmPriceByDenom(ctx sdk.Context, query *ammtypes.QueryAM
 		return nil, errorsmod.Wrapf(aptypes.ErrAssetProfileNotFound, "denom: %s", denom)
 	}
 
+	// If amount is zero
+	if query.TokenIn.Amount.IsZero() {
+		responseBytes, err := json.Marshal(sdk.ZeroDec())
+		if err != nil {
+			return nil, errorsmod.Wrap(err, "failed to serialize in route by denom response")
+		}
+		return responseBytes, nil
+	}
+
 	// uses asset profile denom
 	usdcDenom := assetProfile.Denom
 
diff --git a/x/oracle/client/cli/tx_price_feeder.go b/x/oracle/client/cli/tx_price_feeder.go
index 4f027b724..8d95e58b5 100644
--- a/x/oracle/client/cli/tx_price_feeder.go
+++ b/x/oracle/client/cli/tx_price_feeder.go
@@ -21,7 +21,7 @@ func CmdSetPriceFeeder() *cobra.Command {
 				return err
 			}
 
-			isActive, err := strconv.ParseBool(args[1])
+			isActive, err := strconv.ParseBool(args[0])
 			if err != nil {
 				return err
 			}