兼容老版本， token 作为 资产的默认值

plugin/dapp/trade/commands/trade.go

@@ -465,6 +465,7 @@ func addTokenSellFlags(cmd *cobra.Command) {
 	cmd.Flags().Float64P("total", "t", 0, "total tokens to be sold")
 	cmd.MarkFlagRequired("total")
 
+	cmd.Flags().StringP("asset_exec", "e", "", "asset exec, default: token")
 	cmd.Flags().StringP("price_exec", "", "", "price exec")
 	cmd.Flags().StringP("price_symbol", "", "", "price symbol")
 }
@@ -478,6 +479,10 @@ func tokenSell(cmd *cobra.Command, args []string) {
 	total, _ := cmd.Flags().GetFloat64("total")
 	priceExec, _ := cmd.Flags().GetString("price_exec")
 	priceSymbol, _ := cmd.Flags().GetString("price_symbol")
+	exec, _ := cmd.Flags().GetString("asset_exec")
+	if exec == "" {
+		exec = "token"
+	}
 
 	priceInt64 := int64(price * 1e4)
 	feeInt64 := int64(fee * 1e4)
@@ -489,7 +494,7 @@ func tokenSell(cmd *cobra.Command, args []string) {
 		PricePerBoardlot:  priceInt64 * 1e4,
 		TotalBoardlot:     totalInt64,
 		Fee:               feeInt64 * 1e4,
-		AssetExec:         "token",
+		AssetExec:         exec,
 		PriceExec:         priceExec,
 		PriceSymbol:       priceSymbol,
 	}