refactor(x/bep3): optimize error handling by replacing fmt.Errorf with errors.New

x/bep3/client/cli/query.go

@@ -3,6 +3,7 @@ package cli
 import (
 	"context"
 	"encoding/hex"
+	"errors"
 	"fmt"
 	"strconv"
 	"strings"
@@ -179,7 +180,7 @@ func QueryGetAssetSuppliesCmd(queryRoute string) *cobra.Command {
 			}
 
 			if len(res.AssetSupplies) == 0 {
-				return fmt.Errorf("there are currently no asset supplies")
+				return errors.New("there are currently no asset supplies")
 			}
 
 			return clientCtx.PrintProto(res)

x/bep3/client/cli/tx.go

@@ -2,6 +2,7 @@ package cli
 
 import (
 	"encoding/hex"
+	"errors"
 	"fmt"
 	"strconv"
 	"strings"
@@ -140,7 +141,7 @@ func GetCmdClaimAtomicSwap() *cobra.Command {
 			}
 
 			if len(strings.TrimSpace(args[1])) == 0 {
-				return fmt.Errorf("random-number cannot be empty")
+				return errors.New("random-number cannot be empty")
 			}
 			randomNumber, err := hex.DecodeString(args[1])
 			if err != nil {

x/bep3/keeper/swap.go

@@ -3,6 +3,7 @@ package keeper
 import (
 	"bytes"
 	"encoding/hex"
+	"errors"
 	"fmt"
 	"time"
 
@@ -31,7 +32,7 @@ func (k Keeper) CreateAtomicSwap(ctx sdk.Context, randomNumberHash []byte, times
 	}
 
 	if len(amount) != 1 {
-		return fmt.Errorf("amount must contain exactly one coin")
+		return errors.New("amount must contain exactly one coin")
 	}
 	asset, err := k.GetAsset(ctx, amount[0].Denom)
 	if err != nil {