system_ram.go

package iwallet

import (
	"strconv"

	"github.com/spf13/cobra"
)

var other string

var buyCmd = &cobra.Command{
	Use:     "ram-buy amount",
	Aliases: []string{"buy"},
	Short:   "Buy ram from system",
	Long:    `Buy ram from system`,
	Example: `  iwallet sys buy 100 --account test0
  iwallet sys buy 100 --account test0 --ram_receiver test1`,
	Args: func(cmd *cobra.Command, args []string) error {
		if err := checkArgsNumber(cmd, args, "amount"); err != nil {
			return err
		}
		if err := checkFloat(cmd, args[0], "amount"); err != nil {
			return err
		}
		return checkAccount(cmd)
	},
	RunE: func(cmd *cobra.Command, args []string) error {
		if other == "" {
			other = accountName
		}
		amount, _ := strconv.ParseFloat(args[0], 64)
		return saveOrSendAction("ram.iost", "buy", accountName, other, amount)
	},
}

var sellCmd = &cobra.Command{
	Use:     "ram-sell amount",
	Aliases: []string{"sell"},
	Short:   "Sell unused ram to system",
	Long:    `Sell unused ram to system`,
	Example: `  iwallet sys sell 100 --account test0
  iwallet sys sell 100 --account test0 --token_receiver test1`,
	Args: buyCmd.Args,
	RunE: func(cmd *cobra.Command, args []string) error {
		if other == "" {
			other = accountName
		}
		amount, _ := strconv.ParseFloat(args[0], 64)
		return saveOrSendAction("ram.iost", "sell", accountName, other, amount)
	},
}

var rtransCmd = &cobra.Command{
	Use:     "ram-transfer receiver amount",
	Aliases: []string{"ram-trans", "rtrans"},
	Short:   "Transfer ram",
	Long:    `Transfer ram`,
	Example: `  iwallet sys ram-transfer test1 100 --account test0`,
	Args: func(cmd *cobra.Command, args []string) error {
		if err := checkArgsNumber(cmd, args, "receiver", "amount"); err != nil {
			return err
		}
		if err := checkFloat(cmd, args[1], "amount"); err != nil {
			return err
		}
		return checkAccount(cmd)
	},
	RunE: func(cmd *cobra.Command, args []string) error {
		amount, _ := strconv.ParseFloat(args[1], 64)
		return saveOrSendAction("ram.iost", "lend", accountName, args[0], amount)
	},
}

func init() {
	systemCmd.AddCommand(buyCmd)
	buyCmd.Flags().StringVarP(&other, "ram_receiver", "", "", "who gets the bought ram")
	systemCmd.AddCommand(sellCmd)
	sellCmd.Flags().StringVarP(&other, "token_receiver", "", "", "who gets the returned IOST after selling")
	systemCmd.AddCommand(rtransCmd)
}