loopcli: add hyperloop cmd

Author: sputn1ck

cmd/loop/hyperloop.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"context"
+
+	"github.com/lightninglabs/loop/looprpc"
+	"github.com/urfave/cli"
+)
+
+var hyperloopCommand = cli.Command{
+	Name:  "hyperloop",
+	Usage: "perform a fee optimized off-chain to on-chain swap (hyperloop)",
+	Description: `
+
+	`,
+	ArgsUsage: "amt",
+	Flags: []cli.Flag{
+		cli.Uint64Flag{
+			Name: "amt",
+			Usage: "the amount in satoshis to loop out. To check " +
+				"for the minimum and maximum amounts to loop " +
+				"out please consult \"loop terms\"",
+		},
+		cli.StringFlag{
+			Name: "addr",
+			Usage: "the optional address that the looped out funds " +
+				"should be sent to, if let blank the funds " +
+				"will go to lnd's wallet",
+		},
+	},
+
+	Action: hyperloop,
+}
+
+func hyperloop(ctx *cli.Context) error {
+	args := ctx.Args()
+
+	var amtStr string
+	switch {
+	case ctx.IsSet("amt"):
+		amtStr = ctx.String("amt")
+
+	case ctx.NArg() > 0:
+		amtStr = args[0]
+
+	default:
+		// Show command help if no arguments and flags were provided.
+		return cli.ShowCommandHelp(ctx, "hyperloop")
+	}
+
+	amt, err := parseAmt(amtStr)
+	if err != nil {
+		return err
+	}
+
+	// First set up the swap client itself.
+	client, cleanup, err := getClient(ctx)
+	if err != nil {
+		return err
+	}
+	defer cleanup()
+	ctxb := context.Background()
+
+	hyperloopRes, err := client.HyperLoopOut(
+		ctxb,
+		&looprpc.HyperLoopOutRequest{
+			Amt:             uint64(amt),
+			CustomSweepAddr: ctx.String("addr"),
+		},
+	)
+	if err != nil {
+		return err
+	}
+
+	printJSON(hyperloopRes)
+
+	return nil
+}

cmd/loop/main.go

@@ -148,7 +148,7 @@ func main() {
 		listSwapsCommand, swapInfoCommand, getLiquidityParamsCommand,
 		setLiquidityRuleCommand, suggestSwapCommand, setParamsCommand,
 		getInfoCommand, abandonSwapCommand, reservationsCommands,
-		instantOutCommand, listInstantOutsCommand,
+		instantOutCommand, listInstantOutsCommand, hyperloopCommand,
 	}
 
 	err := app.Run(os.Args)