nak key combine now returns all possible combinations.

* c.Args().Len() - 1 might be negative value

* fix getStdinLinesOrFirstArgument

* fix getStdinLinesOrFirstArgument

README.md

@@ -16,7 +16,7 @@ take a look at the help text that comes in it to learn all possibilities, but he
 
 ### make a nostr event with custom content and tags, sign it with a different key and publish it to two relays
 ```shell
-~> nak event --sec 02 -c 'good morning' --tag t=gm wss://nostr-pub.wellorder.net wss://relay.damus.io
+~> nak event --sec 02 -c 'good morning' --tag t=gm nostr-pub.wellorder.net relay.damus.io
 {"id":"e20978737ab7cd36eca300a65f11738176123f2e0c23054544b18fe493e2aa1a","pubkey":"c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee5","created_at":1698632753,"kind":1,"tags":[["t","gm"]],"content":"good morning","sig":"5687c1a97066c349cb3bde0c0719fd1652a13403ba6aca7557b646307ee6718528cd86989db08bf6a7fd04bea0b0b87c1dd1b78c2d21b80b80eebab7f40b8916"}
 publishing to wss://nostr-pub.wellorder.net... success.
 publishing to wss://relay.damus.io... success.
@@ -24,7 +24,7 @@ publishing to wss://relay.damus.io... success.
 
 ### query a bunch of relays for a tag with a limit of 2 for each, print their content
 ```shell
-~> nak req -k 1 -t t=gm -l 2 wss://nostr.mom wss://nostr.wine wss://nostr-pub.wellorder.net | jq .content
+~> nak req -k 1 -t t=gm -l 2 nostr.mom nostr.wine nostr-pub.wellorder.net | jq .content
 "#GM, you sovereign savage #freeple of the #nostrverse. Let's cause some #nostroversy. "
 "ITM slaves!\n#gm https://image.nostr.build/cbbcdf80bfc302a6678ecf9387c87d87deca3e0e288a12e262926c34feb3f6aa.jpg "
 "good morning"
@@ -34,13 +34,13 @@ publishing to wss://relay.damus.io... success.
 
 ### decode a nip19 note1 code, add a relay hint, encode it back to nevent1
 ```shell
-~> nak decode note1ttnnrw78wy0hs5fa59yj03yvcu2r4y0xetg9vh7uf4em39n604vsyp37f2 | jq -r .id | nak encode nevent -r wss://nostr.zbd.gg
+~> nak decode note1ttnnrw78wy0hs5fa59yj03yvcu2r4y0xetg9vh7uf4em39n604vsyp37f2 | jq -r .id | nak encode nevent -r nostr.zbd.gg
 nevent1qqs94ee3h0rhz8mc2y76zjf8cjxvw9p6j8nv45zktlwy6uacjea86kgpzfmhxue69uhkummnw3ezu7nzvshxwec8zw8h7
 ~> nak decode nevent1qqs94ee3h0rhz8mc2y76zjf8cjxvw9p6j8nv45zktlwy6uacjea86kgpzfmhxue69uhkummnw3ezu7nzvshxwec8zw8h7
 {
   "id": "5ae731bbc7711f78513da14927c48cc7143a91e6cad0565fdc4d73b8967a7d59",
   "relays": [
-    "wss://nostr.zbd.gg"
+    "nostr.zbd.gg"
   ]
 }
 ```
@@ -61,7 +61,7 @@ nak fetch nevent1qqs2e3k48vtrkzjm8vvyzcmsmkf58unrxtq2k4h5yspay6vhcqm4wqcpz9mhxue
 
 ### republish an event from one relay to multiple others
 ```shell
-~> nak req -i e20978737ab7cd36eca300a65f11738176123f2e0c23054544b18fe493e2aa1a wss://nostr.wine/ wss://nostr-pub.wellorder.net | nak event wss://nostr.wine wss://offchain.pub wss://public.relaying.io wss://eden.nostr.land wss://atlas.nostr.land wss://relayable.org
+~> nak req -i e20978737ab7cd36eca300a65f11738176123f2e0c23054544b18fe493e2aa1a nostr.wine/ nostr-pub.wellorder.net | nak event nostr.wine offchain.pub public.relaying.io eden.nostr.land atlas.nostr.land relayable.org
 {"id":"e20978737ab7cd36eca300a65f11738176123f2e0c23054544b18fe493e2aa1a","pubkey":"c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee5","created_at":1698632753,"kind":1,"tags":[["t","gm"]],"content":"good morning","sig":"5687c1a97066c349cb3bde0c0719fd1652a13403ba6aca7557b646307ee6718528cd86989db08bf6a7fd04bea0b0b87c1dd1b78c2d21b80b80eebab7f40b8916"}
 publishing to wss://nostr.wine... failed: msg: blocked: not an active paid member
 publishing to wss://offchain.pub... success.
@@ -79,7 +79,7 @@ invalid .id, expected 05bd99d54cb835f427e0092c4275ee44c7ff51219eff417c19f70c9e2c
 
 ### fetch all quoted events by a given pubkey in their last 100 notes
 ```shell
-nak req -l 100 -k 1 -a 2edbcea694d164629854a52583458fd6d965b161e3c48b57d3aff01940558884 wss://relay.damus.io | jq -r '.content | match("nostr:((note1|nevent1)[a-z0-9]+)";"g") | .captures[0].string' | nak decode | jq -cr '{ids: [.id]}' | nak req wss://relay.damus.io
+nak req -l 100 -k 1 -a 2edbcea694d164629854a52583458fd6d965b161e3c48b57d3aff01940558884 relay.damus.io | jq -r '.content | match("nostr:((note1|nevent1)[a-z0-9]+)";"g") | .captures[0].string' | nak decode | jq -cr '{ids: [.id]}' | nak req relay.damus.io
 ```
 
 ## Contributing to this repository

bunker.go

@@ -1,12 +1,16 @@
 package main
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"net/url"
 	"os"
+	"strings"
+	"sync"
+	"time"
 
-	"github.com/manifoldco/promptui"
+	"github.com/fatih/color"
 	"github.com/nbd-wtf/go-nostr"
 	"github.com/nbd-wtf/go-nostr/nip19"
 	"github.com/nbd-wtf/go-nostr/nip46"
@@ -30,10 +34,15 @@ var bunker = &cli.Command{
 			Name:  "prompt-sec",
 			Usage: "prompt the user to paste a hex or nsec with which to sign the event",
 		},
-		&cli.BoolFlag{
-			Name:    "yes",
-			Aliases: []string{"y"},
-			Usage:   "always respond to any NIP-46 requests from anyone",
+		&cli.StringSliceFlag{
+			Name:    "authorized-secrets",
+			Aliases: []string{"s"},
+			Usage:   "secrets for which we will always respond",
+		},
+		&cli.StringSliceFlag{
+			Name:    "authorized-keys",
+			Aliases: []string{"k"},
+			Usage:   "pubkeys for which we will always respond",
 		},
 	},
 	Action: func(c *cli.Context) error {
@@ -56,85 +65,161 @@ var bunker = &cli.Command{
 		}
 
 		// gather the secret key
-		sec, err := gatherSecretKeyFromArguments(c)
+		sec, _, err := gatherSecretKeyOrBunkerFromArguments(c)
 		if err != nil {
 			return err
 		}
+
+		// other arguments
+		authorizedKeys := c.StringSlice("authorized-keys")
+		authorizedSecrets := c.StringSlice("authorized-secrets")
+
+		// this will be used to auto-authorize the next person who connects who isn't pre-authorized
+		// it will be stored
+		newSecret := randString(12)
+
+		// static information
 		pubkey, err := nostr.GetPublicKey(sec)
 		if err != nil {
 			return err
 		}
 		npub, _ := nip19.EncodePublicKey(pubkey)
-		log("listening at %s%v%s:\n  %spubkey:%s %s\n  %snpub:%s %s\n  %sconnection code:%s %s\n  %sbunker:%s %s\n\n",
-			BOLD_ON, relayURLs, BOLD_OFF,
-			BOLD_ON, BOLD_OFF, pubkey,
-			BOLD_ON, BOLD_OFF, npub,
-			BOLD_ON, BOLD_OFF, fmt.Sprintf("%s#secret?%s", npub, qs.Encode()),
-			BOLD_ON, BOLD_OFF, fmt.Sprintf("bunker://%s?%s", pubkey, qs.Encode()),
-		)
+		bold := color.New(color.Bold).Sprint
+		italic := color.New(color.Italic).Sprint
 
-		alwaysYes := c.Bool("yes")
+		// this function will be called every now and then
+		printBunkerInfo := func() {
+			qs.Set("secret", newSecret)
+			bunkerURI := fmt.Sprintf("bunker://%s?%s", pubkey, qs.Encode())
+
+			authorizedKeysStr := ""
+			if len(authorizedKeys) != 0 {
+				authorizedKeysStr = "\n  authorized keys:\n    - " + italic(strings.Join(authorizedKeys, "\n    - "))
+			}
+
+			authorizedSecretsStr := ""
+			if len(authorizedSecrets) != 0 {
+				authorizedSecretsStr = "\n  authorized secrets:\n    - " + italic(strings.Join(authorizedSecrets, "\n    - "))
+			}
+
+			preauthorizedFlags := ""
+			for _, k := range authorizedKeys {
+				preauthorizedFlags += " -k " + k
+			}
+			for _, s := range authorizedSecrets {
+				preauthorizedFlags += " -s " + s
+			}
+
+			secretKeyFlag := ""
+			if sec := c.String("sec"); sec != "" {
+				secretKeyFlag = "--sec " + sec
+			}
+
+			restartCommand := fmt.Sprintf("nak bunker %s%s %s",
+				secretKeyFlag,
+				preauthorizedFlags,
+				strings.Join(relayURLs, " "),
+			)
+
+			log("listening at %v:\n  pubkey: %s \n  npub: %s%s%s\n  to restart: %s\n  bunker: %s\n\n",
+				bold(relayURLs),
+				bold(pubkey),
+				bold(npub),
+				authorizedKeysStr,
+				authorizedSecretsStr,
+				color.CyanString(restartCommand),
+				bold(bunkerURI),
+			)
+		}
+		printBunkerInfo()
 
 		// subscribe to relays
 		pool := nostr.NewSimplePool(c.Context)
+		now := nostr.Now()
 		events := pool.SubMany(c.Context, relayURLs, nostr.Filters{
 			{
-				Kinds: []int{24133},
-				Tags:  nostr.TagMap{"p": []string{pubkey}},
+				Kinds:     []int{nostr.KindNostrConnect},
+				Tags:      nostr.TagMap{"p": []string{pubkey}},
+				Since:     &now,
+				LimitZero: true,
 			},
 		})
 
 		signer := nip46.NewStaticKeySigner(sec)
+		handlerWg := sync.WaitGroup{}
+		printLock := sync.Mutex{}
+
+		// just a gimmick
+		var cancelPreviousBunkerInfoPrint context.CancelFunc
+		_, cancel := context.WithCancel(c.Context)
+		cancelPreviousBunkerInfoPrint = cancel
+
+		// asking user for authorization
+		signer.AuthorizeRequest = func(harmless bool, from string, secret string) bool {
+			if secret == newSecret {
+				// store this key
+				authorizedKeys = append(authorizedKeys, from)
+				// discard this and generate a new secret
+				newSecret = randString(12)
+				// print bunker info again after this
+				go func() {
+					time.Sleep(3 * time.Second)
+					printBunkerInfo()
+				}()
+			}
+
+			return harmless || slices.Contains(authorizedKeys, from) || slices.Contains(authorizedSecrets, secret)
+		}
+
 		for ie := range events {
-			req, resp, eventResponse, harmless, err := signer.HandleRequest(ie.Event)
+			cancelPreviousBunkerInfoPrint() // this prevents us from printing a million bunker info blocks
+
+			// handle the NIP-46 request event
+			req, resp, eventResponse, err := signer.HandleRequest(ie.Event)
 			if err != nil {
-				log("< failed to handle request from %s: %s", ie.Event.PubKey, err.Error())
+				log("< failed to handle request from %s: %s\n", ie.Event.PubKey, err.Error())
 				continue
 			}
 
 			jreq, _ := json.MarshalIndent(req, "  ", "  ")
-			log("- got request from '%s': %s\n", ie.Event.PubKey, string(jreq))
+			log("- got request from '%s': %s\n", color.New(color.Bold, color.FgBlue).Sprint(ie.Event.PubKey), string(jreq))
 			jresp, _ := json.MarshalIndent(resp, "  ", "  ")
 			log("~ responding with %s\n", string(jresp))
 
-			if alwaysYes || harmless || askProceed(ie.Event.PubKey) {
-				if err := ie.Relay.Publish(c.Context, eventResponse); err == nil {
-					log("* sent response!\n")
-				} else {
-					log("* failed to send response: %s\n", err)
-				}
+			handlerWg.Add(len(relayURLs))
+			for _, relayURL := range relayURLs {
+				go func(relayURL string) {
+					if relay, _ := pool.EnsureRelay(relayURL); relay != nil {
+						err := relay.Publish(c.Context, eventResponse)
+						printLock.Lock()
+						if err == nil {
+							log("* sent response through %s\n", relay.URL)
+						} else {
+							log("* failed to send response: %s\n", err)
+						}
+						printLock.Unlock()
+						handlerWg.Done()
+					}
+				}(relayURL)
 			}
+			handlerWg.Wait()
+
+			// just after handling one request we trigger this
+			go func() {
+				ctx, cancel := context.WithCancel(c.Context)
+				defer cancel()
+				cancelPreviousBunkerInfoPrint = cancel
+				// the idea is that we will print the bunker URL again so it is easier to copy-paste by users
+				// but we will only do if the bunker is inactive for more than 5 minutes
+				select {
+				case <-ctx.Done():
+				case <-time.After(time.Minute * 5):
+					fmt.Fprintf(os.Stderr, "\n")
+					printBunkerInfo()
+				}
+			}()
 		}
 
 		return nil
 	},
 }
-
-var allowedSources = make([]string, 0, 2)
-
-func askProceed(source string) bool {
-	if slices.Contains(allowedSources, source) {
-		return true
-	}
-
-	prompt := promptui.Select{
-		Label: "proceed?",
-		Items: []string{
-			"no",
-			"yes",
-			"always from this source",
-		},
-	}
-	n, _, _ := prompt.Run()
-	switch n {
-	case 0:
-		return false
-	case 1:
-		return true
-	case 2:
-		allowedSources = append(allowedSources, source)
-		return true
-	}
-
-	return false
-}

decode.go

@@ -33,7 +33,7 @@ var decode = &cli.Command{
 	},
 	ArgsUsage: "<npub | nprofile | nip05 | nevent | naddr | nsec>",
 	Action: func(c *cli.Context) error {
-		for input := range getStdinLinesOrFirstArgument(c) {
+		for input := range getStdinLinesOrArguments(c.Args()) {
 			if strings.HasPrefix(input, "nostr:") {
 				input = input[6:]
 			}

encode.go

@@ -29,7 +29,7 @@ var encode = &cli.Command{
 			Name:  "npub",
 			Usage: "encode a hex public key into bech32 'npub' format",
 			Action: func(c *cli.Context) error {
-				for target := range getStdinLinesOrFirstArgument(c) {
+				for target := range getStdinLinesOrArguments(c.Args()) {
 					if ok := nostr.IsValidPublicKey(target); !ok {
 						lineProcessingError(c, "invalid public key: %s", target)
 						continue
@@ -50,7 +50,7 @@ var encode = &cli.Command{
 			Name:  "nsec",
 			Usage: "encode a hex private key into bech32 'nsec' format",
 			Action: func(c *cli.Context) error {
-				for target := range getStdinLinesOrFirstArgument(c) {
+				for target := range getStdinLinesOrArguments(c.Args()) {
 					if ok := nostr.IsValid32ByteHex(target); !ok {
 						lineProcessingError(c, "invalid private key: %s", target)
 						continue
@@ -78,7 +78,7 @@ var encode = &cli.Command{
 				},
 			},
 			Action: func(c *cli.Context) error {
-				for target := range getStdinLinesOrFirstArgument(c) {
+				for target := range getStdinLinesOrArguments(c.Args()) {
 					if ok := nostr.IsValid32ByteHex(target); !ok {
 						lineProcessingError(c, "invalid public key: %s", target)
 						continue
@@ -115,7 +115,7 @@ var encode = &cli.Command{
 				},
 			},
 			Action: func(c *cli.Context) error {
-				for target := range getStdinLinesOrFirstArgument(c) {
+				for target := range getStdinLinesOrArguments(c.Args()) {
 					if ok := nostr.IsValid32ByteHex(target); !ok {
 						lineProcessingError(c, "invalid event id: %s", target)
 						continue
@@ -212,7 +212,7 @@ var encode = &cli.Command{
 			Name:  "note",
 			Usage: "generate note1 event codes (not recommended)",
 			Action: func(c *cli.Context) error {
-				for target := range getStdinLinesOrFirstArgument(c) {
+				for target := range getStdinLinesOrArguments(c.Args()) {
 					if ok := nostr.IsValid32ByteHex(target); !ok {
 						lineProcessingError(c, "invalid event id: %s", target)
 						continue

event.go

@@ -44,6 +44,40 @@ example:
 			Name:  "prompt-sec",
 			Usage: "prompt the user to paste a hex or nsec with which to sign the event",
 		},
+		&cli.StringFlag{
+			Name:  "connect",
+			Usage: "sign event using NIP-46, expects a bunker://... URL",
+		},
+		&cli.StringFlag{
+			Name:        "connect-as",
+			Usage:       "private key to when communicating with the bunker given on --connect",
+			DefaultText: "a random key",
+		},
+		// ~ these args are only for the convoluted musig2 signing process
+		// they will be generally copy-shared-pasted across some manual coordination method between participants
+		&cli.UintFlag{
+			Name:        "musig",
+			Usage:       "number of signers to use for musig2",
+			Value:       1,
+			DefaultText: "1 -- i.e. do not use musig2 at all",
+		},
+		&cli.StringSliceFlag{
+			Name:   "musig-pubkey",
+			Hidden: true,
+		},
+		&cli.StringFlag{
+			Name:   "musig-nonce-secret",
+			Hidden: true,
+		},
+		&cli.StringSliceFlag{
+			Name:   "musig-nonce",
+			Hidden: true,
+		},
+		&cli.StringSliceFlag{
+			Name:   "musig-partial",
+			Hidden: true,
+		},
+		// ~~~
 		&cli.BoolFlag{
 			Name:  "envelope",
 			Usage: "print the event enveloped in a [\"EVENT\", ...] message ready to be sent to a relay",
@@ -124,8 +158,7 @@ example:
 			}
 		}()
 
-		// gather the secret key
-		sec, err := gatherSecretKeyFromArguments(c)
+		sec, bunker, err := gatherSecretKeyOrBunkerFromArguments(c)
 		if err != nil {
 			return err
 		}
@@ -174,9 +207,8 @@ example:
 					// tags may also contain extra elements separated with a ";"
 					tagValues := strings.Split(tagValue, ";")
 					tag = append(tag, tagValues...)
-					// ~
-					tags = tags.AppendUnique(tag)
 				}
+				tags = tags.AppendUnique(tag)
 			}
 
 			for _, etag := range c.StringSlice("e") {
@@ -215,7 +247,26 @@ example:
 			}
 
 			if evt.Sig == "" || mustRehashAndResign {
-				if err := evt.Sign(sec); err != nil {
+				if bunker != nil {
+					if err := bunker.SignEvent(c.Context, &evt); err != nil {
+						return fmt.Errorf("failed to sign with bunker: %w", err)
+					}
+				} else if numSigners := c.Uint("musig"); numSigners > 1 && sec != "" {
+					pubkeys := c.StringSlice("musig-pubkey")
+					secNonce := c.String("musig-nonce-secret")
+					pubNonces := c.StringSlice("musig-nonce")
+					partialSigs := c.StringSlice("musig-partial")
+					signed, err := performMusig(c.Context,
+						sec, &evt, int(numSigners), pubkeys, pubNonces, secNonce, partialSigs)
+					if err != nil {
+						return fmt.Errorf("musig error: %w", err)
+					}
+					if !signed {
+						// we haven't finished signing the event, so the users still have to do more steps
+						// instructions for what to do should have been printed by the performMusig() function
+						return nil
+					}
+				} else if err := evt.Sign(sec); err != nil {
 					return fmt.Errorf("error signing with provided key: %w", err)
 				}
 			}
@@ -252,11 +303,24 @@ example:
 					}
 
 					// error publishing
-					if strings.HasPrefix(err.Error(), "msg: auth-required:") && sec != "" && doAuth {
+					if strings.HasPrefix(err.Error(), "msg: auth-required:") && (sec != "" || bunker != nil) && doAuth {
 						// if the relay is requesting auth and we can auth, let's do it
-						pk, _ := nostr.GetPublicKey(sec)
+						var pk string
+						if bunker != nil {
+							pk, err = bunker.GetPublicKey(c.Context)
+							if err != nil {
+								return fmt.Errorf("failed to get public key from bunker: %w", err)
+							}
+						} else {
+							pk, _ = nostr.GetPublicKey(sec)
+						}
 						log("performing auth as %s... ", pk)
-						if err := relay.Auth(c.Context, func(evt *nostr.Event) error { return evt.Sign(sec) }); err == nil {
+						if err := relay.Auth(c.Context, func(evt *nostr.Event) error {
+							if bunker != nil {
+								return bunker.SignEvent(c.Context, evt)
+							}
+							return evt.Sign(sec)
+						}); err == nil {
 							// try to publish again, but this time don't try to auth again
 							doAuth = false
 							goto publish

example_test.go

@@ -1,31 +1,135 @@
 package main
 
+import "os"
+
 func ExampleEventBasic() {
 	app.Run([]string{"nak", "event", "--ts", "1699485669"})
 	// Output:
 	// {"id":"36d88cf5fcc449f2390a424907023eda7a74278120eebab8d02797cd92e7e29c","pubkey":"79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","created_at":1699485669,"kind":1,"tags":[],"content":"hello from the nostr army knife","sig":"68e71a192e8abcf8582a222434ac823ecc50607450ebe8cc4c145eb047794cc382dc3f888ce879d2f404f5ba6085a47601360a0fa2dd4b50d317bd0c6197c2c2"}
 }
 
+// (for some reason there can only be one test dealing with stdin in the suite otherwise it halts)
+func ExampleEventParsingFromStdin() {
+	prevStdin := os.Stdin
+	defer func() { os.Stdin = prevStdin }()
+	r, w, _ := os.Pipe()
+	os.Stdin = r
+	w.WriteString("{\"content\":\"hello world\"}\n{\"content\":\"hello sun\"}\n")
+	app.Run([]string{"nak", "event", "-t", "t=spam", "--ts", "1699485669"})
+	// Output:
+	// {"id":"bda134f9077c11973afe6aa5a1cc6f5bcea01c40d318b8f91dcb8e50507cfa52","pubkey":"79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","created_at":1699485669,"kind":1,"tags":[["t","spam"]],"content":"hello world","sig":"7552454bb8e7944230142634e3e34ac7468bad9b21ed6909da572c611018dff1d14d0792e98b5806f6330edc51e09efa6d0b66a9694dc34606c70f4e580e7493"}
+	// {"id":"879c36ec73acca288825b53585389581d3836e7f0fe4d46e5eba237ca56d6af5","pubkey":"79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","created_at":1699485669,"kind":1,"tags":[["t","spam"]],"content":"hello sun","sig":"6c7e6b13ebdf931d26acfdd00bec2ec1140ddaf8d1ed61453543a14e729a460fe36c40c488ccb194a0e1ab9511cb6c36741485f501bdb93c39ca4c51bc59cbd4"}
+}
+
 func ExampleEventComplex() {
 	app.Run([]string{"nak", "event", "--ts", "1699485669", "-k", "11", "-c", "skjdbaskd", "--sec", "17", "-t", "t=spam", "-e", "36d88cf5fcc449f2390a424907023eda7a74278120eebab8d02797cd92e7e29c", "-t", "r=https://abc.def?name=foobar;nothing"})
 	// Output:
 	// {"id":"19aba166dcf354bf5ef64f4afe69ada1eb851495001ee05e07d393ee8c8ea179","pubkey":"2fa2104d6b38d11b0230010559879124e42ab8dfeff5ff29dc9cdadd4ecacc3f","created_at":1699485669,"kind":11,"tags":[["t","spam"],["r","https://abc.def?name=foobar","nothing"],["e","36d88cf5fcc449f2390a424907023eda7a74278120eebab8d02797cd92e7e29c"]],"content":"skjdbaskd","sig":"cf452def4a68341c897c3fc96fa34dc6895a5b8cc266d4c041bcdf758ec992ec5adb8b0179e98552aaaf9450526a26d7e62e413b15b1c57e0cfc8db6b29215d7"}
 }
 
+func ExampleEncode() {
+	app.Run([]string{"nak", "encode", "npub", "a6a67ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f8179822"})
+	app.Run([]string{"nak", "encode", "nprofile", "-r", "wss://example.com", "a6a67ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f8179822"})
+	app.Run([]string{"nak", "encode", "nprofile", "-r", "wss://example.com", "a6a67ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f8179822", "a5592173975ded9f836a9572ea8b11a7e16ceb66464d66d50b27163f7f039d2c"})
+	// npub156n8a7wuhwk9tgrzjh8gwzc8q2dlekedec5djk0js9d3d7qhnq3qjpdq28
+	// nprofile1qqs2dfn7l8wthtz45p3ftn58pvrs9xlumvkuu2xet8egzkcklqtesgspz9mhxue69uhk27rpd4cxcefwvdhk6fl5jug
+	// nprofile1qqs2dfn7l8wthtz45p3ftn58pvrs9xlumvkuu2xet8egzkcklqtesgspz9mhxue69uhk27rpd4cxcefwvdhk6fl5jug
+	// nprofile1qqs22kfpwwt4mmvlsd4f2uh23vg60ctvadnyvntx659jw93l0upe6tqpz9mhxue69uhk27rpd4cxcefwvdhk64h265a
+}
+
+func ExampleDecode() {
+	app.Run([]string{"nak", "decode", "naddr1qqyrgcmyxe3kvefhqyxhwumn8ghj7mn0wvhxcmmvqgs9kqvr4dkruv3t7n2pc6e6a7v9v2s5fprmwjv4gde8c4fe5y29v0srqsqqql9ngrt6tu", "nevent1qyd8wumn8ghj7urewfsk66ty9enxjct5dfskvtnrdakj7qgmwaehxw309aex2mrp0yh8wetnw3jhymnzw33jucm0d5hszxthwden5te0wfjkccte9eekummjwsh8xmmrd9skctcpzamhxue69uhkzarvv9ejumn0wd68ytnvv9hxgtcqyqllp5v5j0nxr74fptqxkhvfv0h3uj870qpk3ln8a58agyxl3fka296ewr8"})
+	// Output:
+	// {
+	//   "pubkey": "5b0183ab6c3e322bf4d41c6b3aef98562a144847b7499543727c5539a114563e",
+	//   "kind": 31923,
+	//   "identifier": "4cd6cfe7",
+	//   "relays": [
+	//     "wss://nos.lol"
+	//   ]
+	// }
+	// {
+	//   "id": "3ff0d19493e661faa90ac06b5d8963ef1e48fe780368fe67ed0fd410df8a6dd5",
+	//   "relays": [
+	//     "wss://pyramid.fiatjaf.com/",
+	//     "wss://relay.westernbtc.com/",
+	//     "wss://relay.snort.social/",
+	//     "wss://atlas.nostr.land/"
+	//   ]
+	// }
+}
+
 func ExampleReq() {
 	app.Run([]string{"nak", "req", "-k", "1", "-l", "18", "-a", "2fa2104d6b38d11b0230010559879124e42ab8dfeff5ff29dc9cdadd4ecacc3f", "-e", "aec4de6d051a7c2b6ca2d087903d42051a31e07fb742f1240970084822de10a6"})
 	// Output:
 	// ["REQ","nak",{"kinds":[1],"authors":["2fa2104d6b38d11b0230010559879124e42ab8dfeff5ff29dc9cdadd4ecacc3f"],"limit":18,"#e":["aec4de6d051a7c2b6ca2d087903d42051a31e07fb742f1240970084822de10a6"]}]
 }
 
-func ExampleEncodeNpub() {
-	app.Run([]string{"nak", "encode", "npub", "a6a67ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f8179822"})
+func ExampleReqIdFromRelay() {
+	app.Run([]string{"nak", "req", "-i", "3ff0d19493e661faa90ac06b5d8963ef1e48fe780368fe67ed0fd410df8a6dd5", "wss://nostr.wine"})
 	// Output:
-	// npub156n8a7wuhwk9tgrzjh8gwzc8q2dlekedec5djk0js9d3d7qhnq3qjpdq28
+	// {"id":"3ff0d19493e661faa90ac06b5d8963ef1e48fe780368fe67ed0fd410df8a6dd5","pubkey":"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d","created_at":1710759386,"kind":1,"tags":[],"content":"Nostr was coopted by our the corporate overlords. It is now featured in https://www.iana.org/assignments/well-known-uris/well-known-uris.xhtml.","sig":"faaec167cca4de50b562b7702e8854e2023f0ccd5f36d1b95b6eac20d352206342d6987e9516d283068c768e94dbe8858e2990c3e05405e707fb6fb771ef92f9"}
 }
 
-func ExampleEncodeNprofile() {
-	app.Run([]string{"nak", "encode", "nprofile", "-r", "wss://example.com", "a6a67ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f8179822"})
+func ExampleMultipleFetch() {
+	app.Run([]string{"nak", "fetch", "naddr1qqyrgcmyxe3kvefhqyxhwumn8ghj7mn0wvhxcmmvqgs9kqvr4dkruv3t7n2pc6e6a7v9v2s5fprmwjv4gde8c4fe5y29v0srqsqqql9ngrt6tu", "nevent1qyd8wumn8ghj7urewfsk66ty9enxjct5dfskvtnrdakj7qgmwaehxw309aex2mrp0yh8wetnw3jhymnzw33jucm0d5hszxthwden5te0wfjkccte9eekummjwsh8xmmrd9skctcpzamhxue69uhkzarvv9ejumn0wd68ytnvv9hxgtcqyqllp5v5j0nxr74fptqxkhvfv0h3uj870qpk3ln8a58agyxl3fka296ewr8"})
 	// Output:
-	// nprofile1qqs2dfn7l8wthtz45p3ftn58pvrs9xlumvkuu2xet8egzkcklqtesgspz9mhxue69uhk27rpd4cxcefwvdhk6fl5jug
+	// {"id":"9ae5014573fc75ced00b343868d2cd9343ebcbbae50591c6fa8ae1cd99568f05","pubkey":"5b0183ab6c3e322bf4d41c6b3aef98562a144847b7499543727c5539a114563e","created_at":1707764605,"kind":31923,"tags":[["d","4cd6cfe7"],["name","Nostr PHX Presents Culture Shock"],["description","Nostr PHX presents Culture Shock the first Value 4 Value Cultural Event in Downtown Phoenix. We will showcase the power of Nostr + Bitcoin / Lightning with a full day of education, food, drinks, conversation, vendors and best of all, a live convert which will stream globally for the world to zap. "],["start","1708185600"],["end","1708228800"],["start_tzid","America/Phoenix"],["p","5b0183ab6c3e322bf4d41c6b3aef98562a144847b7499543727c5539a114563e","","host"],["location","Hello Merch, 850 W Lincoln St, Phoenix, AZ 85007, USA","Hello Merch","850 W Lincoln St, Phoenix, AZ 85007, USA"],["address","Hello Merch, 850 W Lincoln St, Phoenix, AZ 85007, USA","Hello Merch","850 W Lincoln St, Phoenix, AZ 85007, USA"],["g","9tbq1rzn"],["image","https://flockstr.s3.amazonaws.com/event/15vSaiscDhVH1KBXhA0i8"],["about","Nostr PHX presents Culture Shock : the first Value 4 Value Cultural Event in Downtown Phoenix. We will showcase the power of Nostr + Bitcoin / Lightning with a full day of education, conversation, food and goods which will be capped off with a live concert streamed globally for the world to boost \u0026 zap. \n\nWe strive to source local vendors, local artists, local partnerships. Please reach out to us if you are interested in participating in this historic event. "],["calendar","31924:5b0183ab6c3e322bf4d41c6b3aef98562a144847b7499543727c5539a114563e:1f238c94"]],"content":"Nostr PHX presents Culture Shock : the first Value 4 Value Cultural Event in Downtown Phoenix. We will showcase the power of Nostr + Bitcoin / Lightning with a full day of education, conversation, food and goods which will be capped off with a live concert streamed globally for the world to boost \u0026 zap. \n\nWe strive to source local vendors, local artists, local partnerships. Please reach out to us if you are interested in participating in this historic event. ","sig":"f676629d1414d96b464644de6babde0c96bd21ef9b41ba69ad886a1d13a942b855b715b22ccf38bc07fead18d3bdeee82d9e3825cf6f003fb5ff1766d95c70a0"}
+	// {"id":"3ff0d19493e661faa90ac06b5d8963ef1e48fe780368fe67ed0fd410df8a6dd5","pubkey":"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d","created_at":1710759386,"kind":1,"tags":[],"content":"Nostr was coopted by our the corporate overlords. It is now featured in https://www.iana.org/assignments/well-known-uris/well-known-uris.xhtml.","sig":"faaec167cca4de50b562b7702e8854e2023f0ccd5f36d1b95b6eac20d352206342d6987e9516d283068c768e94dbe8858e2990c3e05405e707fb6fb771ef92f9"}
+}
+
+func ExampleKeyPublic() {
+	app.Run([]string{"nak", "key", "public", "3ff0d19493e661faa90ac06b5d8963ef1e48fe780368fe67ed0fd410df8a6dd5", "3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d"})
+	// Output:
+	// 70f7120d065870513a6bddb61c8d400ad1e43449b1900ffdb5551e4c421375c8
+	// 718d756f60cf5179ef35b39dc6db3ff58f04c0734f81f6d4410f0b047ddf9029
+}
+
+func ExampleKeyDecrypt() {
+	app.Run([]string{"nak", "key", "decrypt", "ncryptsec1qggfep0m5ythsegkmwfrhhx2zx5gazyhdygvlngcds4wsgdpzfy6nr0exy0pdk0ydwrqyhndt2trtwcgwwag0ja3aqclzptfxxqvprdyaz3qfrmazpecx2ff6dph5mfdjnh5sw8sgecul32eru6xet34", "banana"})
+	// Output:
+	// nsec180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsgyumg0
+}
+
+func ExampleRelay() {
+	app.Run([]string{"nak", "relay", "relay.nos.social", "pyramid.fiatjaf.com"})
+	// Output:
+	// {
+	//   "name": "nos.social strfry relay",
+	//   "description": "This is a strfry instance handled by nos.social",
+	//   "pubkey": "89ef92b9ebe6dc1e4ea398f6477f227e95429627b0a33dc89b640e137b256be5",
+	//   "contact": "https://nos.social",
+	//   "supported_nips": [
+	//     1,
+	//     2,
+	//     4,
+	//     9,
+	//     11,
+	//     12,
+	//     16,
+	//     20,
+	//     22,
+	//     28,
+	//     33,
+	//     40
+	//   ],
+	//   "software": "git+https://github.com/hoytech/strfry.git",
+	//   "version": "0.9.4",
+	//   "icon": ""
+	// }
+	// {
+	//   "name": "the fiatjaf pyramid",
+	//   "description": "a relay just for the coolest of the coolest",
+	//   "pubkey": "3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d",
+	//   "contact": "",
+	//   "supported_nips": [],
+	//   "software": "https://github.com/fiatjaf/khatru",
+	//   "version": "n/a",
+	//   "limitation": {
+	//     "auth_required": false,
+	//     "payment_required": false,
+	//     "restricted_writes": true
+	//   },
+	//   "icon": "https://clipart-library.com/images_k/pyramid-transparent/pyramid-transparent-19.png"
+	// }
 }

fetch.go

@@ -31,7 +31,7 @@ var fetch = &cli.Command{
 			})
 		}()
 
-		for code := range getStdinLinesOrFirstArgument(c) {
+		for code := range getStdinLinesOrArguments(c.Args()) {
 			filter := nostr.Filter{}
 
 			prefix, value, err := nip19.Decode(code)

go.mod

@@ -5,36 +5,38 @@ go 1.21
 toolchain go1.21.0
 
 require (
+	github.com/btcsuite/btcd/btcec/v2 v2.3.3
 	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e
 	github.com/fatih/color v1.16.0
 	github.com/mailru/easyjson v0.7.7
-	github.com/manifoldco/promptui v0.9.0
-	github.com/nbd-wtf/go-nostr v0.28.2
+	github.com/nbd-wtf/go-nostr v0.31.2
 	github.com/nbd-wtf/nostr-sdk v0.0.5
 	github.com/urfave/cli/v2 v2.25.7
-	golang.org/x/exp v0.0.0-20231006140011-7918f672742d
+	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842
 )
 
 require (
-	github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
 	github.com/btcsuite/btcd/btcutil v1.1.3 // indirect
-	github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2 // indirect
+	github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0 // indirect
+	github.com/chzyer/logex v1.1.10 // indirect
+	github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/decred/dcrd/crypto/blake256 v1.0.1 // indirect
-	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0 // indirect
 	github.com/fiatjaf/eventstore v0.2.16 // indirect
 	github.com/gobwas/httphead v0.1.0 // indirect
 	github.com/gobwas/pool v0.2.1 // indirect
-	github.com/gobwas/ws v1.3.1 // indirect
+	github.com/gobwas/ws v1.4.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/puzpuzpuz/xsync/v3 v3.0.2 // indirect
+	github.com/puzpuzpuz/xsync/v3 v3.1.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/tidwall/gjson v1.17.0 // indirect
+	github.com/tidwall/gjson v1.17.1 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
 	golang.org/x/crypto v0.7.0 // indirect
-	golang.org/x/sys v0.14.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
 )

go.sum

@@ -4,16 +4,16 @@ github.com/btcsuite/btcd v0.22.0-beta.0.20220111032746-97732e52810c/go.mod h1:tj
 github.com/btcsuite/btcd v0.23.0/go.mod h1:0QJIIN1wwIXF/3G/m87gIwGniDMDQqjVn4SZgnFpsYY=
 github.com/btcsuite/btcd/btcec/v2 v2.1.0/go.mod h1:2VzYrv4Gm4apmbVVsSq5bqf1Ec8v56E48Vt0Y/umPgA=
 github.com/btcsuite/btcd/btcec/v2 v2.1.3/go.mod h1:ctjw4H1kknNJmRN4iP1R7bTQ+v3GJkZBd6mui8ZsAZE=
-github.com/btcsuite/btcd/btcec/v2 v2.3.2 h1:5n0X6hX0Zk+6omWcihdYvdAlGf2DfasC0GMf7DClJ3U=
-github.com/btcsuite/btcd/btcec/v2 v2.3.2/go.mod h1:zYzJ8etWJQIv1Ogk7OzpWjowwOdXY1W/17j2MW85J04=
+github.com/btcsuite/btcd/btcec/v2 v2.3.3 h1:6+iXlDKE8RMtKsvK0gshlXIuPbyWM/h84Ensb7o3sC0=
+github.com/btcsuite/btcd/btcec/v2 v2.3.3/go.mod h1:zYzJ8etWJQIv1Ogk7OzpWjowwOdXY1W/17j2MW85J04=
 github.com/btcsuite/btcd/btcutil v1.0.0/go.mod h1:Uoxwv0pqYWhD//tfTiipkxNfdhG9UrLwaeswfjfdF0A=
 github.com/btcsuite/btcd/btcutil v1.1.0/go.mod h1:5OapHB7A2hBBWLm48mmw4MOHNJCcUBTwmWH/0Jn8VHE=
 github.com/btcsuite/btcd/btcutil v1.1.3 h1:xfbtw8lwpp0G6NwSHb+UE67ryTFHJAiNuipusjXSohQ=
 github.com/btcsuite/btcd/btcutil v1.1.3/go.mod h1:UR7dsSJzJUfMmFiiLlIrMq1lS9jh9EdCV7FStZSnpi0=
 github.com/btcsuite/btcd/chaincfg/chainhash v1.0.0/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
 github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
-github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2 h1:KdUfX2zKommPRa+PD0sWZUyXe9w277ABlgELO7H04IM=
-github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
+github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0 h1:59Kx4K6lzOW5w6nFlA0v5+lk/6sjybR934QNHSJZPTQ=
+github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
 github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
 github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd/go.mod h1:HHNXQzUsZCxOoE+CPiyCTO6x34Zs86zZUiwtpXoGdtg=
@@ -39,8 +39,8 @@ github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn
 github.com/decred/dcrd/crypto/blake256 v1.0.1 h1:7PltbUIQB7u/FfZ39+DGa/ShuMyJ5ilcvdfma9wOH6Y=
 github.com/decred/dcrd/crypto/blake256 v1.0.1/go.mod h1:2OfgNZ5wDpcsFmHmCK5gZTPcCXqlm2ArzUIkw9czNJo=
 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeCxkaw7y45JueMRL4DIyJDKs=
-github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 h1:8UrgZ3GkP4i/CLijOJx79Yu+etlyjdBU4sfcs2WYQMs=
-github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0/go.mod h1:v57UDF4pDQJcEfFUCRop3lJL149eHGSe9Jvczhzjo/0=
+github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0 h1:rpfIENRNNilwHwZeG5+P150SMrnNEcHYvcCuK6dPZSg=
+github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0/go.mod h1:v57UDF4pDQJcEfFUCRop3lJL149eHGSe9Jvczhzjo/0=
 github.com/decred/dcrd/lru v1.0.0/go.mod h1:mxKOwFd7lFjN2GZYsiz/ecgqR6kkYAl+0pz0tEMk218=
 github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
 github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
@@ -52,8 +52,8 @@ github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU
 github.com/gobwas/httphead v0.1.0/go.mod h1:O/RXo79gxV8G+RqlR/otEwx4Q36zl9rqC5u12GKvMCM=
 github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
 github.com/gobwas/pool v0.2.1/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
-github.com/gobwas/ws v1.3.1 h1:Qi34dfLMWJbiKaNbDVzM9x27nZBjmkaW6i4+Ku+pGVU=
-github.com/gobwas/ws v1.3.1/go.mod h1:hRKAFb8wOxFROYNsT1bqfWnhX+b5MFeJM9r2ZSwg/KY=
+github.com/gobwas/ws v1.4.0 h1:CTaoG1tojrh4ucGPcoJFiAQUAsEWekEWvLy7GsVNqGs=
+github.com/gobwas/ws v1.4.0/go.mod h1:G3gNqMNtPppf5XUz7O4shetPpcZ1VJ7zt18dlUeakrc=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
 github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
@@ -74,15 +74,13 @@ github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlT
 github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4=
 github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
 github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
-github.com/manifoldco/promptui v0.9.0 h1:3V4HzJk1TtXW1MTZMP7mdlwbBpIinw3HztaIlYthEiA=
-github.com/manifoldco/promptui v0.9.0/go.mod h1:ka04sppxSGFAtxX0qhlYQjISsg9mR4GWtQEhdbn6Pgg=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/nbd-wtf/go-nostr v0.28.2 h1:KhpGcs6KMLBqYExzKoqt7vP5Re2f8Kpy9SavYZa2PTI=
-github.com/nbd-wtf/go-nostr v0.28.2/go.mod h1:l9NRRaHPN+QwkqrjNKhnfYjQ0+nKP1xZrVxePPGUs+A=
+github.com/nbd-wtf/go-nostr v0.31.2 h1:PkHCAsSzG0Ce8tfF7LKyvZOjYtCdC+hPh5KfO/Rl1b4=
+github.com/nbd-wtf/go-nostr v0.31.2/go.mod h1:vHKtHyLXDXzYBN0fi/9Y/Q5AD0p+hk8TQVKlldAi0gI=
 github.com/nbd-wtf/nostr-sdk v0.0.5 h1:rec+FcDizDVO0W25PX0lgYMXvP7zNNOgI3Fu9UCm4BY=
 github.com/nbd-wtf/nostr-sdk v0.0.5/go.mod h1:iJJsikesCGLNFZ9dLqhLPDzdt924EagUmdQxT3w2Lmk=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
@@ -94,16 +92,19 @@ github.com/onsi/gomega v1.4.1/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5
 github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
 github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/puzpuzpuz/xsync/v3 v3.0.2 h1:3yESHrRFYr6xzkz61LLkvNiPFXxJEAABanTQpKbAaew=
-github.com/puzpuzpuz/xsync/v3 v3.0.2/go.mod h1:VjzYrABPabuM4KyBh1Ftq6u8nhwY5tBPKP9jpmh0nnA=
+github.com/puzpuzpuz/xsync/v3 v3.1.0 h1:EewKT7/LNac5SLiEblJeUu8z5eERHrmRLnMQL2d7qX4=
+github.com/puzpuzpuz/xsync/v3 v3.1.0/go.mod h1:VjzYrABPabuM4KyBh1Ftq6u8nhwY5tBPKP9jpmh0nnA=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7/go.mod h1:q4W45IWZaF22tdD+VEXcAWRA037jwmWEB5VWYORlTpc=
-github.com/tidwall/gjson v1.17.0 h1:/Jocvlh98kcTfpN2+JzGQWQcqrPQwDrVEMApx/M5ZwM=
-github.com/tidwall/gjson v1.17.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/gjson v1.17.1 h1:wlYEnwqAHgzmhNUFfw7Xalt2JzQvsMx2Se4PcoFCT/U=
+github.com/tidwall/gjson v1.17.1/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
 github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
 github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
 github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
@@ -118,8 +119,8 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.7.0 h1:AvwMYaRytfdeVt3u6mLaxYtErKYjxA2OXjJ1HHq6t3A=
 golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
-golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
-golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
+golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842 h1:vr/HnozRka3pE4EsMEg1lgkXJkTFJCVUX+S/ZT6wYzM=
+golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842/go.mod h1:XtvwrStGgqGPLc4cjQfWqZHG1YFdYs6swckp8vpsjnc=
 golang.org/x/net v0.0.0-20180719180050-a680a1efc54d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -129,7 +130,6 @@ golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
 golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -140,11 +140,13 @@ golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200814200057-3d37ad5750ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
-golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
+golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -161,3 +163,5 @@ gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

helpers.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"encoding/hex"
 	"fmt"
+	"math/rand"
 	"net/url"
 	"os"
 	"strings"
@@ -13,19 +14,17 @@ import (
 	"github.com/fatih/color"
 	"github.com/nbd-wtf/go-nostr"
 	"github.com/nbd-wtf/go-nostr/nip19"
+	"github.com/nbd-wtf/go-nostr/nip46"
 	"github.com/nbd-wtf/go-nostr/nip49"
 	"github.com/urfave/cli/v2"
 )
 
 const (
 	LINE_PROCESSING_ERROR = iota
-
-	BOLD_ON  = "\033[1m"
-	BOLD_OFF = "\033[21m"
 )
 
 var log = func(msg string, args ...any) {
-	fmt.Fprintf(os.Stderr, msg, args...)
+	fmt.Fprintf(color.Error, msg, args...)
 }
 
 var stdout = fmt.Println
@@ -47,14 +46,21 @@ func getStdinLinesOrBlank() chan string {
 	}
 }
 
-func getStdinLinesOrFirstArgument(c *cli.Context) chan string {
+func getStdinLinesOrArguments(args cli.Args) chan string {
+	return getStdinLinesOrArgumentsFromSlice(args.Slice())
+}
+
+func getStdinLinesOrArgumentsFromSlice(args []string) chan string {
 	// try the first argument
-	target := c.Args().First()
-	if target != "" {
-		single := make(chan string, 1)
-		single <- target
-		close(single)
-		return single
+	if len(args) > 0 {
+		argsCh := make(chan string, 1)
+		go func() {
+			for _, arg := range args {
+				argsCh <- arg
+			}
+			close(argsCh)
+		}()
+		return argsCh
 	}
 
 	// try the stdin
@@ -69,8 +75,13 @@ func writeStdinLinesOrNothing(ch chan string) (hasStdinLines bool) {
 		go func() {
 			scanner := bufio.NewScanner(os.Stdin)
 			scanner.Buffer(make([]byte, 16*1024), 256*1024)
+			hasEmittedAtLeastOne := false
 			for scanner.Scan() {
 				ch <- strings.TrimSpace(scanner.Text())
+				hasEmittedAtLeastOne = true
+			}
+			if !hasEmittedAtLeastOne {
+				ch <- ""
 			}
 			close(ch)
 		}()
@@ -130,35 +141,48 @@ func exitIfLineProcessingError(c *cli.Context) {
 	}
 }
 
-func gatherSecretKeyFromArguments(c *cli.Context) (string, error) {
+func gatherSecretKeyOrBunkerFromArguments(c *cli.Context) (string, *nip46.BunkerClient, error) {
 	var err error
+
+	if bunkerURL := c.String("connect"); bunkerURL != "" {
+		clientKey := c.String("connect-as")
+		if clientKey != "" {
+			clientKey = strings.Repeat("0", 64-len(clientKey)) + clientKey
+		} else {
+			clientKey = nostr.GeneratePrivateKey()
+		}
+		bunker, err := nip46.ConnectBunker(c.Context, clientKey, bunkerURL, nil, func(s string) {
+			fmt.Fprintf(color.Error, color.CyanString("[nip46]: open the following URL: %s"), s)
+		})
+		return "", bunker, err
+	}
 	sec := c.String("sec")
 	if c.Bool("prompt-sec") {
 		if isPiped() {
-			return "", fmt.Errorf("can't prompt for a secret key when processing data from a pipe, try again without --prompt-sec")
+			return "", nil, fmt.Errorf("can't prompt for a secret key when processing data from a pipe, try again without --prompt-sec")
 		}
 		sec, err = askPassword("type your secret key as ncryptsec, nsec or hex: ", nil)
 		if err != nil {
-			return "", fmt.Errorf("failed to get secret key: %w", err)
+			return "", nil, fmt.Errorf("failed to get secret key: %w", err)
 		}
 	}
 	if strings.HasPrefix(sec, "ncryptsec1") {
 		sec, err = promptDecrypt(sec)
 		if err != nil {
-			return "", fmt.Errorf("failed to decrypt: %w", err)
+			return "", nil, fmt.Errorf("failed to decrypt: %w", err)
 		}
 	} else if bsec, err := hex.DecodeString(strings.Repeat("0", 64-len(sec)) + sec); err == nil {
 		sec = hex.EncodeToString(bsec)
 	} else if prefix, hexvalue, err := nip19.Decode(sec); err != nil {
-		return "", fmt.Errorf("invalid nsec: %w", err)
+		return "", nil, fmt.Errorf("invalid nsec: %w", err)
 	} else if prefix == "nsec" {
 		sec = hexvalue.(string)
 	}
 
 	if ok := nostr.IsValid32ByteHex(sec); !ok {
-		return "", fmt.Errorf("invalid secret key")
+		return "", nil, fmt.Errorf("invalid secret key")
 	}
-	return sec, nil
+	return sec, nil, nil
 }
 
 func promptDecrypt(ncryptsec1 string) (string, error) {
@@ -180,18 +204,9 @@ func promptDecrypt(ncryptsec1 string) (string, error) {
 	return "", fmt.Errorf("couldn't decrypt private key")
 }
 
-func ask(msg string, defaultValue string, shouldAskAgain func(answer string) bool) (string, error) {
-	return _ask(&readline.Config{
-		Stdout:                 os.Stderr,
-		Prompt:                 color.YellowString(msg),
-		InterruptPrompt:        "^C",
-		DisableAutoSaveHistory: true,
-	}, msg, defaultValue, shouldAskAgain)
-}
-
 func askPassword(msg string, shouldAskAgain func(answer string) bool) (string, error) {
 	config := &readline.Config{
-		Stdout:                 os.Stderr,
+		Stdout:                 color.Error,
 		Prompt:                 color.YellowString(msg),
 		InterruptPrompt:        "^C",
 		DisableAutoSaveHistory: true,
@@ -220,3 +235,13 @@ func _ask(config *readline.Config, msg string, defaultValue string, shouldAskAga
 		return answer, err
 	}
 }
+
+const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+func randString(n int) string {
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letterBytes[rand.Intn(len(letterBytes))]
+	}
+	return string(b)
+}

key.go

@@ -1,9 +1,15 @@
 package main
 
 import (
+	"encoding/hex"
+	"encoding/json"
 	"fmt"
+	"os"
 	"strings"
 
+	"github.com/btcsuite/btcd/btcec/v2"
+	"github.com/btcsuite/btcd/btcec/v2/schnorr/musig2"
+	"github.com/decred/dcrd/dcrec/secp256k1/v4"
 	"github.com/nbd-wtf/go-nostr"
 	"github.com/nbd-wtf/go-nostr/nip19"
 	"github.com/nbd-wtf/go-nostr/nip49"
@@ -19,6 +25,7 @@ var key = &cli.Command{
 		public,
 		encrypt,
 		decrypt,
+		combine,
 	},
 }
 
@@ -39,7 +46,7 @@ var public = &cli.Command{
 	Description: ``,
 	ArgsUsage:   "[secret]",
 	Action: func(c *cli.Context) error {
-		for sec := range getSecretKeyFromStdinLinesOrFirstArgument(c) {
+		for sec := range getSecretKeysFromStdinLinesOrSlice(c, c.Args().Slice()) {
 			pubkey, err := nostr.GetPublicKey(sec)
 			if err != nil {
 				lineProcessingError(c, "failed to derive public key: %s", err)
@@ -65,11 +72,20 @@ var encrypt = &cli.Command{
 		},
 	},
 	Action: func(c *cli.Context) error {
-		password := c.Args().Get(c.Args().Len() - 1)
+		var content string
+		var password string
+		switch c.Args().Len() {
+		case 1:
+			content = ""
+			password = c.Args().Get(0)
+		case 2:
+			content = c.Args().Get(0)
+			password = c.Args().Get(1)
+		}
 		if password == "" {
 			return fmt.Errorf("no password given")
 		}
-		for sec := range getSecretKeyFromStdinLinesOrFirstArgument(c) {
+		for sec := range getSecretKeysFromStdinLinesOrSlice(c, []string{content}) {
 			ncryptsec, err := nip49.Encrypt(sec, password, uint8(c.Int("logn")), 0x02)
 			if err != nil {
 				lineProcessingError(c, "failed to encrypt: %s", err)
@@ -87,11 +103,20 @@ var decrypt = &cli.Command{
 	Description: `uses the NIP-49 standard.`,
 	ArgsUsage:   "<ncryptsec-code> <password>",
 	Action: func(c *cli.Context) error {
-		password := c.Args().Get(c.Args().Len() - 1)
+		var content string
+		var password string
+		switch c.Args().Len() {
+		case 1:
+			content = ""
+			password = c.Args().Get(0)
+		case 2:
+			content = c.Args().Get(0)
+			password = c.Args().Get(1)
+		}
 		if password == "" {
 			return fmt.Errorf("no password given")
 		}
-		for ncryptsec := range getStdinLinesOrFirstArgument(c) {
+		for ncryptsec := range getStdinLinesOrArgumentsFromSlice([]string{content}) {
 			sec, err := nip49.Decrypt(ncryptsec, password)
 			if err != nil {
 				lineProcessingError(c, "failed to decrypt: %s", err)
@@ -104,10 +129,117 @@ var decrypt = &cli.Command{
 	},
 }
 
-func getSecretKeyFromStdinLinesOrFirstArgument(c *cli.Context) chan string {
+var combine = &cli.Command{
+	Name:  "combine",
+	Usage: "combines two or more pubkeys using musig2",
+	Description: `The public keys must have 33 bytes (66 characters hex), with the 02 or 03 prefix. It is common in Nostr to drop that first byte, so you'll have to derive the public keys again from the private keys in order to get it back.
+
+However, if the intent is to check if two existing Nostr pubkeys match a given combined pubkey, then it might be sufficient to calculate the combined key for all the possible combinations of pubkeys in the input.`,
+	ArgsUsage: "[pubkey...]",
+	Action: func(c *cli.Context) error {
+		type Combination struct {
+			Variants []string `json:"input_variants"`
+			Output   struct {
+				XOnly   string `json:"x_only"`
+				Variant string `json:"variant"`
+			} `json:"combined_key"`
+		}
+
+		type Result struct {
+			Keys         []string      `json:"keys"`
+			Combinations []Combination `json:"combinations"`
+		}
+
+		result := Result{}
+
+		result.Keys = c.Args().Slice()
+		keyGroups := make([][]*btcec.PublicKey, 0, len(result.Keys))
+
+		for i, keyhex := range result.Keys {
+			keyb, err := hex.DecodeString(keyhex)
+			if err != nil {
+				return fmt.Errorf("error parsing key %s: %w", keyhex, err)
+			}
+
+			if len(keyb) == 32 /* we'll use both the 02 and the 03 prefix versions */ {
+				group := make([]*btcec.PublicKey, 2)
+				for i, prefix := range []byte{0x02, 0x03} {
+					pubk, err := btcec.ParsePubKey(append([]byte{prefix}, keyb...))
+					if err != nil {
+						fmt.Fprintf(os.Stderr, "error parsing key %s: %s", keyhex, err)
+						continue
+					}
+					group[i] = pubk
+				}
+				keyGroups = append(keyGroups, group)
+			} else /* assume it's 33 */ {
+				pubk, err := btcec.ParsePubKey(keyb)
+				if err != nil {
+					return fmt.Errorf("error parsing key %s: %w", keyhex, err)
+				}
+				keyGroups = append(keyGroups, []*btcec.PublicKey{pubk})
+
+				// remove the leading byte from the output just so it is all uniform
+				result.Keys[i] = result.Keys[i][2:]
+			}
+		}
+
+		result.Combinations = make([]Combination, 0, 16)
+
+		var fn func(prepend int, curr []int)
+		fn = func(prepend int, curr []int) {
+			curr = append([]int{prepend}, curr...)
+			if len(curr) == len(keyGroups) {
+				combi := Combination{
+					Variants: make([]string, len(keyGroups)),
+				}
+
+				combining := make([]*btcec.PublicKey, len(keyGroups))
+				for g, altKeys := range keyGroups {
+					altKey := altKeys[curr[g]]
+					variant := secp256k1.PubKeyFormatCompressedEven
+					if altKey.Y().Bit(0) == 1 {
+						variant = secp256k1.PubKeyFormatCompressedOdd
+					}
+					combi.Variants[g] = hex.EncodeToString([]byte{variant})
+					combining[g] = altKey
+				}
+
+				agg, _, _, err := musig2.AggregateKeys(combining, true)
+				if err != nil {
+					fmt.Fprintf(os.Stderr, "error aggregating: %s", err)
+					return
+				}
+
+				serialized := agg.FinalKey.SerializeCompressed()
+				combi.Output.XOnly = hex.EncodeToString(serialized[1:])
+				combi.Output.Variant = hex.EncodeToString(serialized[0:1])
+				result.Combinations = append(result.Combinations, combi)
+				return
+			}
+
+			fn(0, curr)
+			if len(keyGroups[len(keyGroups)-len(curr)-1]) > 1 {
+				fn(1, curr)
+			}
+		}
+
+		fn(0, nil)
+		if len(keyGroups[len(keyGroups)-1]) > 1 {
+			fn(1, nil)
+		}
+
+		res, _ := json.MarshalIndent(result, "", "  ")
+		fmt.Println(string(res))
+
+		return nil
+	},
+}
+
+func getSecretKeysFromStdinLinesOrSlice(c *cli.Context, keys []string) chan string {
 	ch := make(chan string)
 	go func() {
-		for sec := range getStdinLinesOrFirstArgument(c) {
+		for sec := range getStdinLinesOrArgumentsFromSlice(keys) {
 			if sec == "" {
 				continue
 			}
@@ -120,7 +252,7 @@ func getSecretKeyFromStdinLinesOrFirstArgument(c *cli.Context) chan string {
 				sec = data.(string)
 			}
 			if !nostr.IsValid32ByteHex(sec) {
-				lineProcessingError(c, "invalid hex secret key")
+				lineProcessingError(c, "invalid hex key")
 				continue
 			}
 			ch <- sec

musig2.go

@@ -0,0 +1,331 @@
+package main
+
+import (
+	"bytes"
+	"context"
+	"encoding/base64"
+	"encoding/hex"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+
+	"github.com/btcsuite/btcd/btcec/v2"
+	"github.com/btcsuite/btcd/btcec/v2/schnorr/musig2"
+	"github.com/nbd-wtf/go-nostr"
+)
+
+func performMusig(
+	ctx context.Context,
+	sec string,
+	evt *nostr.Event,
+	numSigners int,
+	keys []string,
+	nonces []string,
+	secNonce string,
+	partialSigs []string,
+) (signed bool, err error) {
+	// preprocess data received
+	secb, err := hex.DecodeString(sec)
+	if err != nil {
+		return false, err
+	}
+	seck, pubk := btcec.PrivKeyFromBytes(secb)
+
+	knownSigners := make([]*btcec.PublicKey, 0, numSigners)
+	includesUs := false
+	for _, hexpub := range keys {
+		bpub, err := hex.DecodeString(hexpub)
+		if err != nil {
+			return false, err
+		}
+		spub, err := btcec.ParsePubKey(bpub)
+		if err != nil {
+			return false, err
+		}
+		knownSigners = append(knownSigners, spub)
+
+		if spub.IsEqual(pubk) {
+			includesUs = true
+		}
+	}
+	if !includesUs {
+		knownSigners = append(knownSigners, pubk)
+	}
+
+	knownNonces := make([][66]byte, 0, numSigners)
+	for _, hexnonce := range nonces {
+		bnonce, err := hex.DecodeString(hexnonce)
+		if err != nil {
+			return false, err
+		}
+		if len(bnonce) != 66 {
+			return false, fmt.Errorf("nonce is not 66 bytes: %s", hexnonce)
+		}
+		var b66nonce [66]byte
+		copy(b66nonce[:], bnonce)
+		knownNonces = append(knownNonces, b66nonce)
+	}
+
+	knownPartialSigs := make([]*musig2.PartialSignature, 0, numSigners)
+	for _, hexps := range partialSigs {
+		bps, err := hex.DecodeString(hexps)
+		if err != nil {
+			return false, err
+		}
+		var ps musig2.PartialSignature
+		if err := ps.Decode(bytes.NewBuffer(bps)); err != nil {
+			return false, fmt.Errorf("invalid partial signature %s: %w", hexps, err)
+		}
+		knownPartialSigs = append(knownPartialSigs, &ps)
+	}
+
+	// create the context
+	var mctx *musig2.Context
+	if len(knownSigners) < numSigners {
+		// we don't know all the signers yet
+		mctx, err = musig2.NewContext(seck, true,
+			musig2.WithNumSigners(numSigners),
+			musig2.WithEarlyNonceGen(),
+		)
+		if err != nil {
+			return false, fmt.Errorf("failed to create signing context with %d unknown signers: %w",
+				numSigners, err)
+		}
+	} else {
+		// we know all the signers
+		mctx, err = musig2.NewContext(seck, true,
+			musig2.WithKnownSigners(knownSigners),
+		)
+		if err != nil {
+			return false, fmt.Errorf("failed to create signing context with %d known signers: %w",
+				len(knownSigners), err)
+		}
+	}
+
+	// nonce generation phase -- for sharing
+	if len(knownSigners) < numSigners {
+		// if we don't have all the signers we just generate a nonce and yield it to the next people
+		nonce, err := mctx.EarlySessionNonce()
+		if err != nil {
+			return false, err
+		}
+		fmt.Fprintf(os.Stderr, "the following code should be saved secretly until the next step an included with --musig-nonce-secret:\n")
+		fmt.Fprintf(os.Stderr, "%s\n\n", base64.StdEncoding.EncodeToString(nonce.SecNonce[:]))
+
+		knownNonces = append(knownNonces, nonce.PubNonce)
+		printPublicCommandForNextPeer(evt, numSigners, knownSigners, knownNonces, nil, false)
+		return false, nil
+	}
+
+	// if we got here we have all the pubkeys, so we can print the combined key
+	if comb, err := mctx.CombinedKey(); err != nil {
+		return false, fmt.Errorf("failed to combine keys (after %d signers): %w", len(knownSigners), err)
+	} else {
+		evt.PubKey = hex.EncodeToString(comb.SerializeCompressed()[1:])
+		evt.ID = evt.GetID()
+		fmt.Fprintf(os.Stderr, "combined key: %x\n\n", comb.SerializeCompressed())
+	}
+
+	// we have all the signers, which means we must also have all the nonces
+	var session *musig2.Session
+	if len(keys) == numSigners-1 {
+		// if we were the last to include our key, that means we have to include our nonce here to
+		// i.e. we didn't input our own pub nonce in the parameters
+		session, err = mctx.NewSession()
+		if err != nil {
+			return false, fmt.Errorf("failed to create session as the last peer to include our key: %w", err)
+		}
+		knownNonces = append(knownNonces, session.PublicNonce())
+	} else {
+		// otherwise we have included our own nonce in the parameters (from copypasting) but must
+		// also include the secret nonce that wasn't shared with peers
+		if secNonce == "" {
+			return false, fmt.Errorf("missing --musig-nonce-secret value")
+		}
+		secNonceB, err := base64.StdEncoding.DecodeString(secNonce)
+		if err != nil {
+			return false, fmt.Errorf("invalid --musig-nonce-secret: %w", err)
+		}
+		var secNonce97 [97]byte
+		copy(secNonce97[:], secNonceB)
+		session, err = mctx.NewSession(musig2.WithPreGeneratedNonce(&musig2.Nonces{
+			SecNonce: secNonce97,
+			PubNonce: secNonceToPubNonce(secNonce97),
+		}))
+		if err != nil {
+			return false, fmt.Errorf("failed to create signing session with secret nonce: %w", err)
+		}
+	}
+
+	var noncesOk bool
+	for _, b66nonce := range knownNonces {
+		if b66nonce == session.PublicNonce() {
+			// don't add our own nonce
+			continue
+		}
+
+		noncesOk, err = session.RegisterPubNonce(b66nonce)
+		if err != nil {
+			return false, fmt.Errorf("failed to register nonce: %w", err)
+		}
+	}
+	if !noncesOk {
+		return false, fmt.Errorf("we've registered all the nonces we had but at least one is missing, this shouldn't happen")
+	}
+
+	// signing phase
+	// we always have to sign, so let's do this
+	id := evt.GetID()
+	hash, _ := hex.DecodeString(id)
+	var msg32 [32]byte
+	copy(msg32[:], hash)
+	partialSig, err := session.Sign(msg32) // this will already include our sig in the bundle
+	if err != nil {
+		return false, fmt.Errorf("failed to produce partial signature: %w", err)
+	}
+
+	if len(knownPartialSigs)+1 < len(knownSigners) {
+		// still missing some signatures
+		knownPartialSigs = append(knownPartialSigs, partialSig) // we include ours here just so it's printed
+		printPublicCommandForNextPeer(evt, numSigners, knownSigners, knownNonces, knownPartialSigs, true)
+		return false, nil
+	} else {
+		// we have all signatures
+		for _, ps := range knownPartialSigs {
+			_, err = session.CombineSig(ps)
+			if err != nil {
+				return false, fmt.Errorf("failed to combine partial signature: %w", err)
+			}
+		}
+	}
+
+	// we have the signature
+	evt.Sig = hex.EncodeToString(session.FinalSig().Serialize())
+
+	return true, nil
+}
+
+func printPublicCommandForNextPeer(
+	evt *nostr.Event,
+	numSigners int,
+	knownSigners []*btcec.PublicKey,
+	knownNonces [][66]byte,
+	knownPartialSigs []*musig2.PartialSignature,
+	includeNonceSecret bool,
+) {
+	maybeNonceSecret := ""
+	if includeNonceSecret {
+		maybeNonceSecret = " --musig-nonce-secret '<insert-nonce-secret>'"
+	}
+
+	fmt.Fprintf(os.Stderr, "the next signer and they should call this on their side:\nnak event --sec <insert-secret-key> --musig %d %s%s%s%s%s\n",
+		numSigners,
+		eventToCliArgs(evt),
+		signersToCliArgs(knownSigners),
+		noncesToCliArgs(knownNonces),
+		partialSigsToCliArgs(knownPartialSigs),
+		maybeNonceSecret,
+	)
+}
+
+func eventToCliArgs(evt *nostr.Event) string {
+	b := strings.Builder{}
+	b.Grow(100)
+
+	b.WriteString("-k ")
+	b.WriteString(strconv.Itoa(evt.Kind))
+
+	b.WriteString(" -ts ")
+	b.WriteString(strconv.FormatInt(int64(evt.CreatedAt), 10))
+
+	b.WriteString(" -c '")
+	b.WriteString(evt.Content)
+	b.WriteString("'")
+
+	for _, tag := range evt.Tags {
+		b.WriteString(" -t '")
+		b.WriteString(tag.Key())
+		if len(tag) > 1 {
+			b.WriteString("=")
+			b.WriteString(tag[1])
+			if len(tag) > 2 {
+				for _, item := range tag[2:] {
+					b.WriteString(";")
+					b.WriteString(item)
+				}
+			}
+		}
+		b.WriteString("'")
+	}
+
+	return b.String()
+}
+
+func signersToCliArgs(knownSigners []*btcec.PublicKey) string {
+	b := strings.Builder{}
+	b.Grow(len(knownSigners) * (16 + 66))
+
+	for _, signerPub := range knownSigners {
+		b.WriteString(" --musig-pubkey ")
+		b.WriteString(hex.EncodeToString(signerPub.SerializeCompressed()))
+	}
+
+	return b.String()
+}
+
+func noncesToCliArgs(knownNonces [][66]byte) string {
+	b := strings.Builder{}
+	b.Grow(len(knownNonces) * (15 + 132))
+
+	for _, nonce := range knownNonces {
+		b.WriteString(" --musig-nonce ")
+		b.WriteString(hex.EncodeToString(nonce[:]))
+	}
+
+	return b.String()
+}
+
+func partialSigsToCliArgs(knownPartialSigs []*musig2.PartialSignature) string {
+	b := strings.Builder{}
+	b.Grow(len(knownPartialSigs) * (17 + 64))
+
+	for _, partialSig := range knownPartialSigs {
+		b.WriteString(" --musig-partial ")
+		w := &bytes.Buffer{}
+		partialSig.Encode(w)
+		b.Write([]byte(hex.EncodeToString(w.Bytes())))
+	}
+
+	return b.String()
+}
+
+// this function is copied from btcec because it's not exported for some reason
+func secNonceToPubNonce(secNonce [musig2.SecNonceSize]byte) [musig2.PubNonceSize]byte {
+	var k1Mod, k2Mod btcec.ModNScalar
+	k1Mod.SetByteSlice(secNonce[:btcec.PrivKeyBytesLen])
+	k2Mod.SetByteSlice(secNonce[btcec.PrivKeyBytesLen:])
+
+	var r1, r2 btcec.JacobianPoint
+	btcec.ScalarBaseMultNonConst(&k1Mod, &r1)
+	btcec.ScalarBaseMultNonConst(&k2Mod, &r2)
+
+	// Next, we'll convert the key in jacobian format to a normal public
+	// key expressed in affine coordinates.
+	r1.ToAffine()
+	r2.ToAffine()
+	r1Pub := btcec.NewPublicKey(&r1.X, &r1.Y)
+	r2Pub := btcec.NewPublicKey(&r2.X, &r2.Y)
+
+	var pubNonce [musig2.PubNonceSize]byte
+
+	// The public nonces are serialized as: R1 || R2, where both keys are
+	// serialized in compressed format.
+	copy(pubNonce[:], r1Pub.SerializeCompressed())
+	copy(
+		pubNonce[btcec.PubKeyBytesLenCompressed:],
+		r2Pub.SerializeCompressed(),
+	)
+
+	return pubNonce
+}

relay.go

@@ -16,22 +16,24 @@ var relay = &cli.Command{
 		nak relay nostr.wine`,
 	ArgsUsage: "<relay-url>",
 	Action: func(c *cli.Context) error {
-		url := c.Args().First()
-		if url == "" {
-			return fmt.Errorf("specify the <relay-url>")
-		}
+		for url := range getStdinLinesOrArguments(c.Args()) {
+			if url == "" {
+				return fmt.Errorf("specify the <relay-url>")
+			}
 
-		if !strings.HasPrefix(url, "wss://") && !strings.HasPrefix(url, "ws://") {
-			url = "wss://" + url
-		}
+			if !strings.HasPrefix(url, "wss://") && !strings.HasPrefix(url, "ws://") {
+				url = "wss://" + url
+			}
 
-		info, err := nip11.Fetch(c.Context, url)
-		if err != nil {
-			return fmt.Errorf("failed to fetch '%s' information document: %w", url, err)
-		}
+			info, err := nip11.Fetch(c.Context, url)
+			if err != nil {
+				lineProcessingError(c, "failed to fetch '%s' information document: %w", url, err)
+				continue
+			}
 
-		pretty, _ := json.MarshalIndent(info, "", "  ")
-		stdout(string(pretty))
+			pretty, _ := json.MarshalIndent(info, "", "  ")
+			stdout(string(pretty))
+		}
 		return nil
 	},
 }

req.go

@@ -113,6 +113,15 @@ example:
 			Name:  "prompt-sec",
 			Usage: "prompt the user to paste a hex or nsec with which to sign the AUTH challenge",
 		},
+		&cli.StringFlag{
+			Name:  "connect",
+			Usage: "sign AUTH using NIP-46, expects a bunker://... URL",
+		},
+		&cli.StringFlag{
+			Name:        "connect-as",
+			Usage:       "private key to when communicating with the bunker given on --connect",
+			DefaultText: "a random key",
+		},
 	},
 	ArgsUsage: "[relay...]",
 	Action: func(c *cli.Context) error {
@@ -124,13 +133,27 @@ example:
 				if !c.Bool("auth") {
 					return fmt.Errorf("auth not authorized")
 				}
-				sec, err := gatherSecretKeyFromArguments(c)
+				sec, bunker, err := gatherSecretKeyOrBunkerFromArguments(c)
 				if err != nil {
 					return err
 				}
-				pk, _ := nostr.GetPublicKey(sec)
+
+				var pk string
+				if bunker != nil {
+					pk, err = bunker.GetPublicKey(c.Context)
+					if err != nil {
+						return fmt.Errorf("failed to get public key from bunker: %w", err)
+					}
+				} else {
+					pk, _ = nostr.GetPublicKey(sec)
+				}
 				log("performing auth as %s...\n", pk)
-				return evt.Sign(sec)
+
+				if bunker != nil {
+					return bunker.SignEvent(c.Context, evt)
+				} else {
+					return evt.Sign(sec)
+				}
 			}))
 			if len(relays) == 0 {
 				log("failed to connect to any of the given relays.\n")
@@ -223,6 +246,8 @@ example:
 			}
 			if limit := c.Int("limit"); limit != 0 {
 				filter.Limit = limit
+			} else if c.IsSet("limit") || c.Bool("stream") {
+				filter.LimitZero = true
 			}
 
 			if len(relayUrls) > 0 {

verify.go

@@ -15,7 +15,7 @@ var verify = &cli.Command{
 
 it outputs nothing if the verification is successful.`,
 	Action: func(c *cli.Context) error {
-		for stdinEvent := range getStdinLinesOrBlank() {
+		for stdinEvent := range getStdinLinesOrArguments(c.Args()) {
 			evt := nostr.Event{}
 			if stdinEvent != "" {
 				if err := json.Unmarshal([]byte(stdinEvent), &evt); err != nil {