Dex get price endpoint

proto/dex/query.proto

@@ -45,6 +45,10 @@ service Query {
 		option (google.api.http).get = "/sei-protocol/seichain/dex/short_book/{contractAddr}/{priceDenom}/{assetDenom}";
 	}
 
+	rpc GetPrice(QueryGetPriceRequest) returns (QueryGetPriceResponse) {
+		option (google.api.http).get = "/sei-protocol/seichain/dex/get_price/{contractAddr}/{priceDenom}/{assetDenom}";
+	}
+
 	rpc GetPrices(QueryGetPricesRequest) returns (QueryGetPricesResponse) {
 		option (google.api.http).get = "/sei-protocol/seichain/dex/get_prices/{contractAddr}/{priceDenom}/{assetDenom}";
 	}
@@ -156,6 +160,18 @@ message QueryGetPricesResponse {
 	repeated Price prices = 1;
 }
 
+message QueryGetPriceRequest {
+	string priceDenom = 1;
+	string assetDenom = 2;
+	string contractAddr = 3;
+	uint64 timestamp  = 4;
+}
+
+message QueryGetPriceResponse {
+	Price price = 1;
+	bool found = 2;
+}
+
 message QueryGetTwapsRequest {
 	string contractAddr = 1 [
 		(gogoproto.jsontag) = "contract_address"

x/dex/client/cli/query/query.go

@@ -30,6 +30,7 @@ func GetQueryCmd(queryRoute string) *cobra.Command {
 	cmd.AddCommand(CmdListShortBook())
 	cmd.AddCommand(CmdShowShortBook())
 	cmd.AddCommand(CmdGetPrice())
+	cmd.AddCommand(CmdGetPrices())
 	cmd.AddCommand(CmdGetTwaps())
 	cmd.AddCommand(CmdGetAssetList())
 	cmd.AddCommand(CmdGetAssetMetadata())

x/dex/client/cli/query/query_get_price.go

@@ -0,0 +1,54 @@
+package query
+
+import (
+	"strconv"
+
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/sei-protocol/sei-chain/x/dex/types"
+	"github.com/spf13/cobra"
+)
+
+var _ = strconv.Itoa(0)
+
+func CmdGetPrice() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "get-price [contract-address] [timestamp] [price-denom] [asset-denom]",
+		Short: "Query getPrice",
+		Args:  cobra.ExactArgs(3),
+		RunE: func(cmd *cobra.Command, args []string) (err error) {
+			reqContractAddr := args[0]
+			reqTimestamp, err := strconv.ParseUint(args[1], 10, 64)
+			if err != nil {
+				return err
+			}
+			reqPriceDenom := args[2]
+			reqAssetDenom := args[3]
+
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			queryClient := types.NewQueryClient(clientCtx)
+
+			params := &types.QueryGetPriceRequest{
+				ContractAddr: reqContractAddr,
+				PriceDenom:   reqPriceDenom,
+				AssetDenom:   reqAssetDenom,
+				Timestamp:    reqTimestamp,
+			}
+
+			res, err := queryClient.GetPrice(cmd.Context(), params)
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintProto(res)
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+}

x/dex/client/cli/query/query_get_prices.go

@@ -11,7 +11,7 @@ import (
 
 var _ = strconv.Itoa(0)
 
-func CmdGetPrice() *cobra.Command {
+func CmdGetPrices() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "get-prices [contract-address] [price-denom] [asset-denom]",
 		Short: "Query getPrices",

x/dex/keeper/query/grpc_query_get_price.go

@@ -0,0 +1,25 @@
+package query
+
+import (
+	"context"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/sei-protocol/sei-chain/x/dex/types"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+func (k KeeperWrapper) GetPrice(goCtx context.Context, req *types.QueryGetPriceRequest) (*types.QueryGetPriceResponse, error) {
+	if req == nil {
+		return nil, status.Error(codes.InvalidArgument, "invalid request")
+	}
+
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	price, found := k.GetPriceState(ctx, req.ContractAddr, req.Timestamp, types.Pair{PriceDenom: req.PriceDenom, AssetDenom: req.AssetDenom})
+
+	return &types.QueryGetPriceResponse{
+		Price: &price,
+		Found: found,
+	}, nil
+}