nak relays

main.go

@@ -102,6 +102,7 @@ var app = &cli.Command{
 		spell,
 		profile,
 		validateCmd,
+		relaysCmd,
 	},
 	Version: version,
 	Flags: combineFlags([][]cli.Flag{

relays.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"context"
+
+	"github.com/urfave/cli/v3"
+)
+
+var relaysCmd = &cli.Command{
+	Name:      "relays",
+	Usage:     "prints the nip65 relays for a given pubkey, one relay per line",
+	ArgsUsage: "[pubkey]",
+	Flags: []cli.Flag{
+		&cli.BoolFlag{
+			Name:    "inbox",
+			Aliases: []string{"read"},
+			Usage:   "only print relays marked as inbox/read",
+		},
+		&cli.BoolFlag{
+			Name:    "outbox",
+			Aliases: []string{"write"},
+			Usage:   "only print relays marked as outbox/write",
+		},
+	},
+	Action: func(ctx context.Context, c *cli.Command) error {
+		wantInbox := c.Bool("inbox")
+		wantOutbox := c.Bool("outbox")
+
+		for pubkeyInput := range getStdinLinesOrArguments(c.Args()) {
+			pk, err := parsePubKeyForCommand(ctx, c, pubkeyInput)
+			if err != nil {
+				ctx = lineProcessingError(ctx, "invalid pubkey '%s': %s", pubkeyInput, err)
+				continue
+			}
+
+			relayList := sys.FetchRelayList(ctx, pk)
+			for _, rl := range relayList.Items {
+				if wantInbox && wantOutbox {
+					if !(rl.Inbox && rl.Outbox) {
+						continue
+					}
+				} else if wantInbox {
+					if !rl.Inbox {
+						continue
+					}
+				} else if wantOutbox {
+					if !rl.Outbox {
+						continue
+					}
+				}
+				stdout(rl.URL)
+			}
+		}
+
+		exitIfLineProcessingError(ctx)
+		return nil
+	},
+}