Add Taker Fee Query

CHANGELOG.md

@@ -58,6 +58,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * [#6421](https://github.com/osmosis-labs/osmosis/pull/6421) Moves ValidatePermissionlessPoolCreationEnabled out of poolmanager module
 * [#6627](https://github.com/osmosis-labs/osmosis/pull/6627) Limit pow iterations in osmomath.
 * [#6586](https://github.com/osmosis-labs/osmosis/pull/6586) add auth.moduleaccounts to the stargate whitelist
+* [#6680](https://github.com/osmosis-labs/osmosis/pull/6680) Add Taker Fee query and add it to stargate whitelist
 
 ### Bug Fixes
 * [#6644](https://github.com/osmosis-labs/osmosis/pull/6644) fix: genesis bug in pool incentives linking NoLock gauges and PoolIDs

proto/osmosis/poolmanager/v1beta1/query.proto

@@ -119,6 +119,13 @@ service Query {
         "/osmosis/poolmanager/v1beta1/pools/{pool_id}/total_volume";
   }
 
+  // TotalVolumeForPool returns the total volume of the specified pool.
+  rpc TradingPairTakerFee(TradingPairTakerFeeRequest)
+      returns (TradingPairTakerFeeResponse) {
+    option (google.api.http).get =
+        "/osmosis/poolmanager/v1beta1/pools/trading_pair_takerfee";
+  }
+
   // EstimateTradeBasedOnPriceImpact returns an estimated trade based on price
   // impact, if a trade cannot be estimated a 0 input and 0 output would be
   // returned.
@@ -281,6 +288,19 @@ message TotalVolumeForPoolResponse {
   ];
 }
 
+//=============================== TotalVolumeForPool
+message TradingPairTakerFeeRequest {
+  string denom_0 = 1 [ (gogoproto.moretags) = "yaml:\"denom_0\"" ];
+  string denom_1 = 2 [ (gogoproto.moretags) = "yaml:\"denom_1\"" ];
+}
+
+message TradingPairTakerFeeResponse {
+  string taker_fee = 1 [
+    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
+    (gogoproto.nullable) = false
+  ];
+}
+
 //=============================== EstimateTradeBasedOnPriceImpact
 
 // EstimateTradeBasedOnPriceImpactRequest represents a request to estimate a

wasmbinding/stargate_whitelist.go

@@ -145,6 +145,7 @@ func init() {
 	setWhitelistedQuery("/osmosis.poolmanager.v1beta1.Query/SpotPrice", &poolmanagerqueryproto.SpotPriceResponse{})
 	setWhitelistedQuery("/osmosis.poolmanager.v1beta1.Query/TotalPoolLiquidity", &poolmanagerqueryproto.TotalPoolLiquidityResponse{})
 	setWhitelistedQuery("/osmosis.poolmanager.v1beta1.Query/Params", &poolmanagerqueryproto.ParamsResponse{})
+	setWhitelistedQuery("/osmosis.poolmanager.v1beta1.Query/TradingPairTakerFee", &poolmanagerqueryproto.TradingPairTakerFeeResponse{})
 
 	// txfees
 	setWhitelistedQuery("/osmosis.txfees.v1beta1.Query/FeeTokens", &txfeestypes.QueryFeeTokensResponse{})

x/poolmanager/client/query_proto_wrap.go

@@ -298,6 +298,18 @@ func (q Querier) TotalVolumeForPool(ctx sdk.Context, req queryproto.TotalVolumeF
 	}, nil
 }
 
+// TradingPairTakerFee returns the taker fee for the given trading pair
+func (q Querier) TradingPairTakerFee(ctx sdk.Context, req queryproto.TradingPairTakerFeeRequest) (*queryproto.TradingPairTakerFeeResponse, error) {
+	tradingPairTakerFee, err := q.K.GetTradingPairTakerFee(ctx, req.Denom_0, req.Denom_1)
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	return &queryproto.TradingPairTakerFeeResponse{
+		TakerFee: tradingPairTakerFee,
+	}, nil
+}
+
 // EstimateTradeBasedOnPriceImpact returns the input and output amount of coins for a pool trade
 // based on external price and maximum price impact.
 func (q Querier) EstimateTradeBasedOnPriceImpact(