credit

var Command = cli.Command{
	Name:  "credit",
	Usage: "Manage credits.",
	Subcommands: []*cli.Command{
		{
			Name:      "transfer",
			Usage:     "Transfer credits to an another account",
			ArgsUsage: "<0x recipient address> <amount>",
			Flags:     flags,
			Action: func(cCtx *cli.Context) error {
				if cCtx.NArg() < 2 {
					return errors.New("missing arguments")
				}
				if wei {
					c, ok := new(big.Int).SetString(cCtx.Args().Get(1), 10)
					if !ok {
						return errors.New("couldn't parse amount")
					}
					creditsWei = c
					credits = ether.FromWei(creditsWei)
				} else {
					c, ok := new(big.Float).SetString(cCtx.Args().Get(1))
					if !ok {
						return errors.New("couldn't parse amount")
					}
					credits = c
					creditsWei = ether.ToWei(credits)
				}
				ctx := cCtx.Context
				recipient := common.HexToAddress(cCtx.Args().First())
				clientset, err := initClient(ctx)
				if err != nil {
					return err
				}

				if !force {
					msg := fmt.Sprintf(
						"Confirm transfer of %s credits (%s wei) to %s?",
						credits.String(),
						creditsWei.String(),
						recipient.Hex(),
					)
					input := confirmation.New(msg, confirmation.No)
					ok, err := input.RunPrompt()
					if err != nil {
						return err
					}
					if !ok {
						fmt.Println("Cancelled.")
						return nil
					}
				}

				if err := clientset.CreditManager().Transfer(ctx, recipient, creditsWei); err != nil {
					return err
				}

				fmt.Println("Done.")
				return nil
			},
		},
		{
			Name:      "get",
			Usage:     "Get the amount of credits owned by you or an user (if first argument is specified).",
			ArgsUsage: "(0x)",
			Flags:     flags,
			Action: func(cCtx *cli.Context) error {
				ctx := cCtx.Context
				clientset, err := initClient(ctx)
				if err != nil {
					return err
				}

				var amount *big.Int
				if cCtx.NArg() >= 1 {
					amount, err = clientset.CreditManager().
						BalanceOf(ctx, common.HexToAddress(cCtx.Args().First()))
					if err != nil {
						return err
					}
				} else {
					amount, err = clientset.CreditManager().Balance(ctx)
					if err != nil {
						return err
					}
				}

				if wei {
					fmt.Println(amount.String())
				} else {
					fmt.Println(ether.FromWei(amount).String())
				}

				return nil
			},
		},
	},
}