group chat: handle events synchronously in select, drop goroutine and mutex

NIP-17 requires clients verify that the kind:14 pubkey matches
the kind:13 pubkey to prevent sender impersonation. The CLI
gift unwrap path outputs the rumor as-is without setting the
pubkey from the verified seal or recomputing the event ID.

This mirrors nip59.GiftUnwrap() which does both operations.
The override is placed after the ZeroID sentinel check to
preserve decryption failure detection.

Fixes https://github.com/fiatjaf/nak/issues/110

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/release-cli.yml

@@ -47,3 +47,93 @@ jobs:
           md5sum: false
           sha256sum: false
           compress_assets: false
+
+  smoke-test-linux-amd64:
+    runs-on: ubuntu-latest
+    needs:
+      - build-all-for-all
+    steps:
+      - name: download and smoke test latest binary
+        run: |
+          set -eo pipefail # exit on error, and on pipe failures
+
+          echo "downloading nak binary from releases"
+          RELEASE_URL="https://api.github.com/repos/fiatjaf/nak/releases/latest"
+          wget $(wget -q -O - ${RELEASE_URL} | jq -r '.assets[] | select(.name | contains("linux-amd64")) | .browser_download_url') -O nak -nv
+          chmod +x nak
+
+          echo "printing version..."
+          ./nak --version
+
+          # generate and manipulate keys
+          echo "testing key operations..."
+          SECRET_KEY=$(./nak key generate)
+          PUBLIC_KEY=$(echo $SECRET_KEY | ./nak key public)
+          echo "generated key pair: $SECRET_KEY => $PUBLIC_KEY"
+
+          # create events
+          echo "testing event creation..."
+          ./nak event -c "hello world"
+          HELLOWORLD=$(./nak event -c "hello world")
+          echo "  hello world again: $HELLOWORLD"
+          ./nak event --ts "2 days ago" -c "event with timestamp"
+          ./nak event -k 1 -t "t=test" -c "event with tag"
+
+          # test NIP-19 encoding/decoding
+          echo "testing NIP-19 encoding/decoding..."
+          NSEC=$(echo $SECRET_KEY | ./nak encode nsec)
+          echo "encoded nsec: $NSEC"
+          ./nak encode npub 79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798
+          EVENT_ID="5ae731bbc7711f78513da14927c48cc7143a91e6cad0565fdc4d73b8967a7d59"
+          NEVENT1=$(./nak encode nevent $EVENT_ID)
+          echo "encoded nevent1: $NEVENT1"
+          ./nak decode $NEVENT1
+          ./nak decode npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6
+
+          # test event verification
+          echo "testing event verification..."
+          # create an event and verify it
+          VERIFY_EVENT=$(./nak event -c "verify me")
+          echo $VERIFY_EVENT | ./nak verify
+
+          # test PoW
+          echo "testing pow..."
+          ./nak event -c "testing pow" --pow 8
+
+          # test NIP-49 key encryption/decryption
+          echo "testing NIP-49 key encryption/decryption..."
+          ENCRYPTED_KEY=$(./nak key encrypt $SECRET_KEY "testpassword")
+          echo "encrypted key: ${ENCRYPTED_KEY: 0:20}..."
+          DECRYPTED_KEY=$(./nak key decrypt $ENCRYPTED_KEY "testpassword")
+          if [ "$DECRYPTED_KEY" != "$SECRET_KEY" ]; then
+            echo "nip-49 encryption/decryption test failed!"
+            exit 1
+          fi
+
+          # test multi-value tags
+          echo "testing multi-value tags..."
+          ./nak event --ts "yesterday" -t "e=f59911b561c37c90b01e9e5c2557307380835c83399756f4d62d8167227e420a;wss://relay.example.com;root" -c "testing multi-value tags"
+
+          # test relay operations (with a public relay)
+          echo "testing publishing..."
+          # publish a simple event to a public relay
+          EVENT_JSON=$(./nak event --sec $SECRET_KEY -c "test from nak smoke test" nos.lol < /dev/null)
+          EVENT_ID=$(echo $EVENT_JSON | jq -r .id)
+          echo "published event ID: $EVENT_ID"
+
+          # wait a moment for propagation
+          sleep 2
+
+          # fetch the event we just published
+          ./nak req -i $EVENT_ID nos.lol
+
+          # test serving (just start and immediately kill)
+          echo "testing serve command..."
+          timeout 2s ./nak serve || true
+
+          # test filesystem mount (just start and immediately kill)
+          echo "testing fs mount command..."
+          mkdir -p /tmp/nostr-mount
+          timeout 2s ./nak fs --sec $SECRET_KEY /tmp/nostr-mount || true
+
+          echo "all tests passed"

.github/workflows/smoke-test-release.yml

@@ -1,97 +0,0 @@
-name: Smoke test the binary
-
-on:
-  workflow_run:
-    workflows: ["build cli for all platforms"]
-    types:
-      - completed
-    branches:
-      - master
-
-jobs:
-  smoke-test-linux-amd64:
-    runs-on: ubuntu-latest
-    if: ${{ github.event.workflow_run.conclusion == 'success' }}
-    steps:
-      - name: Download and smoke test latest binary
-        run: |
-          set -eo pipefail # Exit on error, and on pipe failures
-
-          echo "Downloading nak binary from releases"
-          RELEASE_URL="https://api.github.com/repos/fiatjaf/nak/releases/latest"
-          wget $(wget -q -O - ${RELEASE_URL} | jq -r '.assets[] | select(.name | contains("linux-amd64")) | .browser_download_url') -O nak -nv
-          chmod +x nak
-
-          echo "Running basic tests..."
-          ./nak --version
-
-          # Generate and manipulate keys
-          echo "Testing key operations..."
-          SECRET_KEY=$(./nak key generate)
-          PUBLIC_KEY=$(echo $SECRET_KEY | ./nak key public)
-          echo "Generated key pair: $PUBLIC_KEY"
-
-          # Create events
-          echo "Testing event creation..."
-          ./nak event -c "hello world"
-          ./nak event --ts "2 days ago" -c "event with timestamp"
-          ./nak event -k 1 -t "t=test" -c "event with tag"
-
-          # Test NIP-19 encoding/decoding
-          echo "Testing NIP-19 encoding/decoding..."
-          NSEC=$(echo $SECRET_KEY | ./nak encode nsec)
-          echo "Encoded nsec: $NSEC"
-          ./nak encode npub 79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798
-          NOTE_ID="5ae731bbc7711f78513da14927c48cc7143a91e6cad0565fdc4d73b8967a7d59"
-          NOTE1=$(./nak encode note $NOTE_ID)
-          echo "Encoded note1: $NOTE1"
-          ./nak decode $NOTE1
-          ./nak decode npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6
-
-          # Test event verification
-          echo "Testing event verification..."
-          # Create an event and verify it
-          VERIFY_EVENT=$(./nak event -c "verify me")
-          echo $VERIFY_EVENT | ./nak verify
-
-          # Test PoW
-          echo "Testing PoW..."
-          ./nak event -c "testing pow" --pow 8
-
-          # Test NIP-49 key encryption/decryption
-          echo "Testing NIP-49 key encryption/decryption..."
-          ENCRYPTED_KEY=$(./nak key encrypt $SECRET_KEY "testpassword")
-          echo "Encrypted key: ${ENCRYPTED_KEY:0:20}..."
-          DECRYPTED_KEY=$(./nak key decrypt $ENCRYPTED_KEY "testpassword")
-          if [ "$DECRYPTED_KEY" != "$SECRET_KEY" ]; then
-            echo "NIP-49 encryption/decryption test failed!"
-            exit 1
-          fi
-
-          # Test multi-value tags
-          echo "Testing multi-value tags..."
-          ./nak event --ts "yesterday" -t "e=f59911b561c37c90b01e9e5c2557307380835c83399756f4d62d8167227e420a;wss://relay.example.com;root" -c "Testing multi-value tags"
-
-          # Test relay operations (with a public relay)
-          echo "Testing relay operations..."
-          # Publish a simple event to a public relay
-          EVENT_JSON=$(./nak event --sec $SECRET_KEY -c "Test from nak smoke test" nos.lol)
-          EVENT_ID=$(echo $EVENT_JSON | jq -r .id)
-          echo "Published event ID: $EVENT_ID"
-
-          # Wait a moment for propagation
-          sleep 2
-
-          # Fetch the event we just published
-          ./nak req -i $EVENT_ID nos.lol
-
-          # Test serving (just start and immediately kill)
-          echo "Testing serve command..."
-          timeout 2s ./nak serve || true
-
-          # Test filesystem mount (just start and immediately kill)
-          echo "Testing fs mount command..."
-          mkdir -p /tmp/nostr-mount
-          timeout 2s ./nak fs --sec $SECRET_KEY /tmp/nostr-mount || true
-
-          echo "All tests passed"

Dockerfile

@@ -1,8 +1,8 @@
 # build stage
-FROM golang:1.24-alpine AS builder
+FROM golang:1.25-alpine AS builder
 
 # install git and ca-certificates (needed for fetching dependencies)
-RUN apk add --no-cache git ca-certificates
+RUN apk add --no-cache git ca-certificates gcc musl-dev
 
 # set working directory
 WORKDIR /app
@@ -19,7 +19,7 @@ COPY . .
 # build the application
 # use cgo_enabled=0 to create a static binary
 # use -ldflags to strip debug info and reduce binary size
-RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-w -s" -o nak .
+RUN CGO_ENABLED=1 GOOS=linux go build -ldflags="-w -s" -o nak .
 
 # runtime stage
 FROM alpine:latest

blossom.go

@@ -3,11 +3,12 @@ package main
 import (
 	"bytes"
 	"context"
+	"encoding/hex"
 	"fmt"
 	"io"
 	"os"
+	"unsafe"
 
-	"fiatjaf.com/nostr"
 	"fiatjaf.com/nostr/keyer"
 	"fiatjaf.com/nostr/nipb0/blossom"
 	"github.com/urfave/cli/v3"
@@ -20,7 +21,7 @@ var blossomCmd = &cli.Command{
 	Usage:                     "an army knife for blossom things",
 	DisableSliceFlagSeparator: true,
 	Flags: append(defaultKeyFlags,
-		&cli.StringFlag{
+		&cli.StringSliceFlag{
 			Name:     "server",
 			Aliases:  []string{"s"},
 			Usage:    "the hostname of the target mediaserver",
@@ -38,11 +39,15 @@ var blossomCmd = &cli.Command{
 				var client *blossom.Client
 				pubkey := c.Args().First()
 				if pubkey != "" {
-					if pk, err := nostr.PubKeyFromHex(pubkey); err != nil {
+					pk, err := parsePubKey(pubkey)
+					if err != nil {
 						return fmt.Errorf("invalid public key '%s': %w", pubkey, err)
-					} else {
-						client = blossom.NewClient(c.String("server"), keyer.NewReadOnlySigner(pk))
 					}
+					servers := c.StringSlice("server")
+					if err != nil {
+						return err
+					}
+					client = blossom.NewClient(servers[0], keyer.NewReadOnlySigner(pk))
 				} else {
 					var err error
 					client, err = getBlossomClient(ctx, c)
@@ -70,11 +75,17 @@ var blossomCmd = &cli.Command{
 			DisableSliceFlagSeparator: true,
 			ArgsUsage:                 "[files...]",
 			Action: func(ctx context.Context, c *cli.Command) error {
-				client, err := getBlossomClient(ctx, c)
+				keyer, _, err := gatherKeyerFromArguments(ctx, c)
 				if err != nil {
 					return err
 				}
 
+				servers := c.StringSlice("server")
+
+				if len(servers) == 0 {
+					return fmt.Errorf("no server specified")
+				}
+
 				if isPiped() {
 					// get file from stdin
 					if c.Args().Len() > 0 {
@@ -85,34 +96,36 @@ var blossomCmd = &cli.Command{
 					if err != nil {
 						return fmt.Errorf("failed to read stdin: %w", err)
 					}
-
-					bd, err := client.UploadBlob(ctx, bytes.NewReader(data), "")
-					if err != nil {
-						return err
-					}
-
-					j, _ := json.Marshal(bd)
-					stdout(string(j))
-				} else {
-					// get filenames from arguments
-					hasError := false
-					for _, fpath := range c.Args().Slice() {
-						bd, err := client.UploadFilePath(ctx, fpath)
+					for _, server := range servers {
+						client := blossom.NewClient(server, keyer)
+						bd, err := client.UploadBlob(ctx, bytes.NewReader(data), "")
 						if err != nil {
-							fmt.Fprintf(os.Stderr, "%s\n", err)
-							hasError = true
+							ctx = lineProcessingError(ctx, "failed to upload to '%s': %s", server, err)
 							continue
 						}
 
 						j, _ := json.Marshal(bd)
 						stdout(string(j))
 					}
+				} else {
+					// get filenames from arguments
+					for _, fpath := range c.Args().Slice() {
+						for _, server := range servers {
+							client := blossom.NewClient(server, keyer)
+							bd, err := client.UploadFilePath(ctx, fpath)
+							if err != nil {
+								ctx = lineProcessingError(ctx, "failed to upload '%s' to '%s': %s", fpath, server, err)
+								continue
+							}
 
-					if hasError {
-						os.Exit(3)
+							j, _ := json.Marshal(bd)
+							stdout(string(j))
+						}
 					}
 				}
 
+				exitIfLineProcessingError(ctx)
+
 				return nil
 			},
 		},
@@ -138,12 +151,24 @@ var blossomCmd = &cli.Command{
 				outputs := c.StringSlice("output")
 
 				hasError := false
-				for i, hash := range c.Args().Slice() {
+				var hash [32]byte
+				for i, hhash := range c.Args().Slice() {
+					if len(hhash) != 64 {
+						log("invalid blob hash '%s'\n", hhash)
+						hasError = true
+						continue
+					}
+					if _, err := hex.Decode(hash[:], unsafe.Slice(unsafe.StringData(hhash), 64)); err != nil {
+						log("invalid blob hash '%s': %s\n", hhash, err)
+						hasError = true
+						continue
+					}
+
 					if len(outputs)-1 >= i && outputs[i] != "--" {
 						// save to this file
 						err := client.DownloadToFile(ctx, hash, outputs[i])
 						if err != nil {
-							fmt.Fprintf(os.Stderr, "%s\n", err)
+							log("download failed for '%s': %s\n", hhash, err)
 							hasError = true
 						}
 					} else {
@@ -230,12 +255,55 @@ if any of the files are not found the command will fail, otherwise it will succe
 			},
 		},
 		{
-			Name:                      "mirror",
-			Usage:                     "",
-			Description:               ``,
+			Name:  "mirror",
+			Usage: "mirrors a from a server to another",
+			Description: `examples:
+  mirroring a single blob:
+    nak blossom mirror https://nostr.download/5672be22e6da91c12b929a0f46b9e74de8b5366b9b19a645ff949c24052f9ad4 -s blossom.band
+
+  mirroring all blobs from a certain pubkey from one server to the other:
+    nak blossom list 78ce6faa72264387284e647ba6938995735ec8c7d5c5a65737e55130f026307d -s nostr.download | nak blossom mirror -s blossom.band`,
 			DisableSliceFlagSeparator: true,
-			ArgsUsage:                 "",
 			Action: func(ctx context.Context, c *cli.Command) error {
+				client, err := getBlossomClient(ctx, c)
+				if err != nil {
+					return err
+				}
+
+				var bd blossom.BlobDescriptor
+				if input := c.Args().First(); input != "" {
+					blobURL := input
+					if err := json.Unmarshal([]byte(input), &bd); err == nil {
+						blobURL = bd.URL
+					}
+					bd, err := client.MirrorBlob(ctx, blobURL)
+					if err != nil {
+						return err
+					}
+					out, _ := json.Marshal(bd)
+					stdout(out)
+					return nil
+				}
+
+				for input := range getJsonsOrBlank() {
+					if input == "{}" {
+						continue
+					}
+
+					blobURL := input
+					if err := json.Unmarshal([]byte(input), &bd); err == nil {
+						blobURL = bd.URL
+					}
+					bd, err := client.MirrorBlob(ctx, blobURL)
+					if err != nil {
+						ctx = lineProcessingError(ctx, "failed to mirror '%s': %s", blobURL, err)
+						continue
+					}
+					out, _ := json.Marshal(bd)
+					stdout(out)
+				}
+
+				exitIfLineProcessingError(ctx)
 				return nil
 			},
 		},
@@ -247,5 +315,9 @@ func getBlossomClient(ctx context.Context, c *cli.Command) (*blossom.Client, err
 	if err != nil {
 		return nil, err
 	}
-	return blossom.NewClient(c.String("server"), keyer), nil
+	servers := c.StringSlice("server")
+	if err != nil {
+		return nil, err
+	}
+	return blossom.NewClient(servers[0], keyer), nil
 }

bunker.go

@@ -4,13 +4,15 @@ import (
 	"bytes"
 	"context"
 	"encoding/hex"
+	"errors"
 	"fmt"
+	"maps"
+	"net"
 	"net/url"
 	"os"
 	"path/filepath"
 	"slices"
 	"strings"
-	"sync"
 	"time"
 
 	"fiatjaf.com/nostr"
@@ -73,14 +75,8 @@ var bunker = &cli.Command{
 	},
 	Action: func(ctx context.Context, c *cli.Command) error {
 		// read config from file
-		config := struct {
-			AuthorizedKeys []nostr.PubKey      `json:"authorized-keys"`
-			Secret         plainOrEncryptedKey `json:"sec"`
-			Relays         []string            `json:"relays"`
-		}{
-			AuthorizedKeys: make([]nostr.PubKey, 0, 3),
-		}
-		baseRelaysUrls := appendUnique(c.Args().Slice(), c.StringSlice("relay")...)
+		config := BunkerConfig{}
+		baseRelaysUrls := nostr.AppendUnique(c.Args().Slice(), c.StringSlice("relay")...)
 		for i, url := range baseRelaysUrls {
 			baseRelaysUrls[i] = nostr.NormalizeURL(url)
 		}
@@ -122,16 +118,16 @@ var bunker = &cli.Command{
 
 			persist = func() {
 				if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
-					log(color.RedString("failed to persist: %w\n"), err)
+					log(color.RedString("failed to persist: %s\n"), err)
 					os.Exit(4)
 				}
 				data, err := json.MarshalIndent(config, "", "  ")
 				if err != nil {
-					log(color.RedString("failed to persist: %w\n"), err)
+					log(color.RedString("failed to persist: %s\n"), err)
 					os.Exit(4)
 				}
 				if err := os.WriteFile(path, data, 0600); err != nil {
-					log(color.RedString("failed to persist: %w\n"), err)
+					log(color.RedString("failed to persist: %s\n"), err)
 					os.Exit(4)
 				}
 			}
@@ -142,6 +138,15 @@ var bunker = &cli.Command{
 				if err := json.Unmarshal(b, &config); err != nil {
 					return err
 				}
+				// convert from deprecated field
+				if len(config.AuthorizedKeys) > 0 {
+					config.Clients = make([]BunkerConfigClient, len(config.AuthorizedKeys))
+					for i := range config.AuthorizedKeys {
+						config.Clients[i] = BunkerConfigClient{PubKey: config.AuthorizedKeys[i]}
+					}
+					config.AuthorizedKeys = nil
+					persist()
+				}
 			} else if !os.IsNotExist(err) {
 				return err
 			}
@@ -149,8 +154,12 @@ var bunker = &cli.Command{
 			for i, url := range config.Relays {
 				config.Relays[i] = nostr.NormalizeURL(url)
 			}
-			config.Relays = appendUnique(config.Relays, baseRelaysUrls...)
-			config.AuthorizedKeys = appendUnique(config.AuthorizedKeys, baseAuthorizedKeys...)
+			config.Relays = nostr.AppendUnique(config.Relays, baseRelaysUrls...)
+			for _, bak := range baseAuthorizedKeys {
+				if !slices.ContainsFunc(config.Clients, func(c BunkerConfigClient) bool { return c.PubKey == bak }) {
+					config.Clients = append(config.Clients, BunkerConfigClient{PubKey: bak})
+				}
+			}
 
 			if config.Secret.Plain == nil && config.Secret.Encrypted == nil {
 				// we don't have any secret key stored, so just use whatever was given via flags
@@ -167,7 +176,9 @@ var bunker = &cli.Command{
 		} else {
 			config.Secret = baseSecret
 			config.Relays = baseRelaysUrls
-			config.AuthorizedKeys = baseAuthorizedKeys
+			for _, bak := range baseAuthorizedKeys {
+				config.Clients = append(config.Clients, BunkerConfigClient{PubKey: bak})
+			}
 		}
 
 		// if we got here without any keys set (no flags, first time using a profile), use the default
@@ -205,17 +216,24 @@ var bunker = &cli.Command{
 
 		// try to connect to the relays here
 		qs := url.Values{}
-		relayURLs := make([]string, 0, len(config.Relays))
-		relays := connectToAllRelays(ctx, c, config.Relays, nil, nostr.PoolOptions{})
+		allRelays := make([]string, len(config.Relays), len(config.Relays)+5)
+		copy(allRelays, config.Relays)
+		for _, c := range config.Clients {
+			for _, url := range c.CustomRelays {
+				if !slices.ContainsFunc(allRelays, func(u string) bool { return u == url }) {
+					allRelays = append(allRelays, url)
+				}
+			}
+		}
+		relays := connectToAllRelays(ctx, c, allRelays, nil)
 		if len(relays) == 0 {
 			log("failed to connect to any of the given relays.\n")
 			os.Exit(3)
 		}
-		for _, relay := range relays {
-			relayURLs = append(relayURLs, relay.URL)
-			qs.Add("relay", relay.URL)
+		for _, relay := range config.Relays {
+			qs.Add("relay", relay)
 		}
-		if len(relayURLs) == 0 {
+		if len(relays) == 0 {
 			return fmt.Errorf("not connected to any relays: please specify at least one")
 		}
 
@@ -232,14 +250,28 @@ var bunker = &cli.Command{
 
 		// this function will be called every now and then
 		printBunkerInfo := func() {
-			qs.Set("secret", newSecret)
-			bunkerURI := fmt.Sprintf("bunker://%s?%s", pubkey.Hex(), qs.Encode())
+			iqs := make(url.Values)
+			maps.Copy(iqs, qs)
+			iqs.Set("secret", newSecret)
+			bunkerURI := fmt.Sprintf("bunker://%s?%s", pubkey.Hex(), iqs.Encode())
 
 			authorizedKeysStr := ""
-			if len(config.AuthorizedKeys) != 0 {
-				authorizedKeysStr = "\n  authorized keys:"
-				for _, pubkey := range config.AuthorizedKeys {
-					authorizedKeysStr += "\n    - " + colors.italic(pubkey.Hex())
+			if len(config.Clients) != 0 {
+				authorizedKeysStr = "\n  authorized clients:"
+				for _, c := range config.Clients {
+					authorizedKeysStr += "\n    - " + colors.italic(c.PubKey.Hex())
+					name := ""
+					if c.Name != "" {
+						name = c.Name
+						if c.URL != "" {
+							name += " " + colors.underline(c.URL)
+						}
+					} else if c.URL != "" {
+						name = colors.underline(c.URL)
+					}
+					if name != "" {
+						authorizedKeysStr += " (" + name + ")"
+					}
 				}
 			}
 
@@ -249,8 +281,8 @@ var bunker = &cli.Command{
 			}
 
 			preauthorizedFlags := ""
-			for _, k := range config.AuthorizedKeys {
-				preauthorizedFlags += " -k " + k.Hex()
+			for _, c := range config.Clients {
+				preauthorizedFlags += " -k " + c.PubKey.Hex()
 			}
 			for _, s := range authorizedSecrets {
 				preauthorizedFlags += " -s " + s
@@ -261,8 +293,8 @@ var bunker = &cli.Command{
 				secretKeyFlag = "--sec " + sec
 			}
 
-			relayURLsPossiblyWithoutSchema := make([]string, len(relayURLs))
-			for i, url := range relayURLs {
+			relayURLsPossiblyWithoutSchema := make([]string, len(config.Relays))
+			for i, url := range config.Relays {
 				if strings.HasPrefix(url, "wss://") {
 					relayURLsPossiblyWithoutSchema[i] = url[6:]
 				} else {
@@ -279,7 +311,7 @@ var bunker = &cli.Command{
 				)
 
 				log("listening at %v:\n  pubkey: %s \n  npub: %s%s%s\n  to restart: %s\n  bunker: %s\n\n",
-					colors.bold(relayURLs),
+					colors.bold(config.Relays),
 					colors.bold(pubkey.Hex()),
 					colors.bold(npub),
 					authorizedKeysStr,
@@ -290,7 +322,7 @@ var bunker = &cli.Command{
 			} else {
 				// otherwise just print the data
 				log("listening at %v:\n  pubkey: %s \n  npub: %s%s%s\n  bunker: %s\n\n",
-					colors.bold(relayURLs),
+					colors.bold(config.Relays),
 					colors.bold(pubkey.Hex()),
 					colors.bold(npub),
 					authorizedKeysStr,
@@ -309,29 +341,97 @@ var bunker = &cli.Command{
 		printBunkerInfo()
 
 		// subscribe to relays
-		events := sys.Pool.SubscribeMany(ctx, relayURLs, nostr.Filter{
+		events := sys.Pool.SubscribeMany(ctx, allRelays, nostr.Filter{
 			Kinds:     []nostr.Kind{nostr.KindNostrConnect},
 			Tags:      nostr.TagMap{"p": []string{pubkey.Hex()}},
 			Since:     nostr.Now(),
 			LimitZero: true,
-		}, nostr.SubscriptionOptions{
-			Label: "nak-bunker",
-		})
+		}, nostr.SubscriptionOptions{Label: "nak-bunker"})
 
 		signer := nip46.NewStaticKeySigner(sec)
-		handlerWg := sync.WaitGroup{}
-		printLock := sync.Mutex{}
+		signer.DefaultRelays = config.Relays
+
+		// unix socket nostrconnect:// handling
+		go func() {
+			for uri := range onSocketConnect(ctx, c) {
+				clientPublicKey, err := nostr.PubKeyFromHex(uri.Host)
+				if err != nil {
+					continue
+				}
+				log("- got nostrconnect:// request from '%s': %s\n", color.New(color.Bold, color.FgBlue).Sprint(clientPublicKey.Hex()), uri.String())
+
+				relays := uri.Query()["relay"]
+
+				// pre-authorize this client since the user has explicitly added it
+				if !slices.ContainsFunc(config.Clients, func(c BunkerConfigClient) bool {
+					return c.PubKey == clientPublicKey
+				}) {
+					config.Clients = append(config.Clients, BunkerConfigClient{
+						PubKey:       clientPublicKey,
+						Name:         uri.Query().Get("name"),
+						URL:          uri.Query().Get("url"),
+						Icon:         uri.Query().Get("icon"),
+						CustomRelays: relays,
+					})
+				}
+
+				if persist != nil {
+					persist()
+				}
+
+				resp, eventResponse, err := signer.HandleNostrConnectURI(ctx, uri)
+				if err != nil {
+					log("* failed to handle: %s\n", err)
+					continue
+				}
+
+				go func() {
+					for event := range sys.Pool.SubscribeMany(ctx, relays, nostr.Filter{
+						Kinds:     []nostr.Kind{nostr.KindNostrConnect},
+						Tags:      nostr.TagMap{"p": []string{pubkey.Hex()}},
+						Since:     nostr.Now(),
+						LimitZero: true,
+					}, nostr.SubscriptionOptions{Label: "nak-bunker"}) {
+						events <- event
+					}
+				}()
+
+				time.Sleep(time.Millisecond * 25)
+				jresp, _ := json.MarshalIndent(resp, "", "  ")
+				log("~ responding with %s\n", string(jresp))
+				for res := range sys.Pool.PublishMany(ctx, relays, eventResponse) {
+					if res.Error == nil {
+						log("* sent through %s\n", res.Relay.URL)
+					} else {
+						log("* failed to send through %s: %s\n", res.RelayURL, res.Error)
+					}
+				}
+			}
+		}()
 
 		// just a gimmick
 		var cancelPreviousBunkerInfoPrint context.CancelFunc
 		_, cancel := context.WithCancel(ctx)
 		cancelPreviousBunkerInfoPrint = cancel
 
-		// asking user for authorization
 		signer.AuthorizeRequest = func(harmless bool, from nostr.PubKey, secret string) bool {
+			if slices.ContainsFunc(config.Clients, func(b BunkerConfigClient) bool { return b.PubKey == from }) {
+				return true
+			}
+			if slices.Contains(authorizedSecrets, secret) {
+				// add client to authorized list for subsequent requests
+				if !slices.ContainsFunc(config.Clients, func(c BunkerConfigClient) bool { return c.PubKey == from }) {
+					config.Clients = append(config.Clients, BunkerConfigClient{PubKey: from})
+					if persist != nil {
+						persist()
+					}
+				}
+				return true
+			}
+
 			if secret == newSecret {
 				// store this key
-				config.AuthorizedKeys = appendUnique(config.AuthorizedKeys, from)
+				config.Clients = append(config.Clients, BunkerConfigClient{PubKey: from})
 				// discard this and generate a new secret
 				newSecret = randString(12)
 				// print bunker info again after this
@@ -343,57 +443,66 @@ var bunker = &cli.Command{
 				if persist != nil {
 					persist()
 				}
+
+				return true
 			}
 
-			return slices.Contains(config.AuthorizedKeys, from) || slices.Contains(authorizedSecrets, secret)
+			return false
 		}
 
 		for ie := range events {
 			cancelPreviousBunkerInfoPrint() // this prevents us from printing a million bunker info blocks
 
-			// handle the NIP-46 request event
-			req, resp, eventResponse, err := signer.HandleRequest(ctx, ie.Event)
-			if err != nil {
-				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", color.New(color.Bold, color.FgBlue).Sprint(ie.Event.PubKey.Hex()), string(jreq))
-			jresp, _ := json.MarshalIndent(resp, "", "  ")
-			log("~ responding with %s\n", string(jresp))
-
-			handlerWg.Add(len(relayURLs))
-			for _, relayURL := range relayURLs {
-				go func(relayURL string) {
-					if relay, _ := sys.Pool.EnsureRelay(relayURL); relay != nil {
-						err := relay.Publish(ctx, 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(ctx)
-				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):
-					log("\n")
-					printBunkerInfo()
+				// handle the NIP-46 request event
+				from := ie.Event.PubKey
+				req, resp, eventResponse, err := signer.HandleRequest(ctx, ie.Event)
+				if err != nil {
+					if errors.Is(err, nip46.AlreadyHandled) {
+						return
+					}
+
+					log("< failed to handle request from %s: %s\n", from.Hex(), err.Error())
+					return
 				}
+
+				jreq, _ := json.MarshalIndent(req, "", "  ")
+				log("- got request from '%s': %s\n", color.New(color.Bold, color.FgBlue).Sprint(from.Hex()), string(jreq))
+				jresp, _ := json.MarshalIndent(resp, "", "  ")
+				log("~ responding with %s\n", string(jresp))
+
+				// use custom relays if they are defined for this client
+				// (normally if the initial connection came from a nostrconnect:// URL)
+				relays := config.Relays
+				for _, c := range config.Clients {
+					if c.PubKey == from && len(c.CustomRelays) > 0 {
+						relays = c.CustomRelays
+						break
+					}
+				}
+
+				for res := range sys.Pool.PublishMany(ctx, relays, eventResponse) {
+					if res.Error == nil {
+						log("* sent response through %s\n", res.Relay.URL)
+					} else {
+						log("* failed to send response through %s: %s\n", res.RelayURL, res.Error)
+					}
+				}
+
+				// just after handling one request we trigger this
+				go func() {
+					ctx, cancel := context.WithCancel(ctx)
+					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):
+						log("\n")
+						printBunkerInfo()
+					}
+				}()
 			}()
 		}
 
@@ -404,24 +513,44 @@ var bunker = &cli.Command{
 			Name:      "connect",
 			Usage:     "use the client-initiated NostrConnect flow of NIP46",
 			ArgsUsage: "<nostrconnect-uri>",
+			Flags: []cli.Flag{
+				&cli.StringFlag{
+					Name:  "profile",
+					Usage: "profile name of the bunker to connect to",
+				},
+			},
 			Action: func(ctx context.Context, c *cli.Command) error {
 				if c.Args().Len() != 1 {
 					return fmt.Errorf("must be called with a nostrconnect://... uri")
 				}
 
-				uri, err := url.Parse(c.Args().First())
-				if err != nil || uri.Scheme != "nostrconnect" {
-					return fmt.Errorf("invalid uri")
+				if err := sendToSocket(c, c.Args().First()); err != nil {
+					return fmt.Errorf("failed to connect to running bunker: %w", err)
 				}
 
-				// TODO
-
-				return fmt.Errorf("this is not implemented yet")
+				return nil
 			},
 		},
 	},
 }
 
+type BunkerConfig struct {
+	Clients []BunkerConfigClient `json:"clients"`
+	Secret  plainOrEncryptedKey  `json:"sec"`
+	Relays  []string             `json:"relays"`
+
+	// deprecated
+	AuthorizedKeys []nostr.PubKey `json:"authorized-keys,omitempty"`
+}
+
+type BunkerConfigClient struct {
+	PubKey       nostr.PubKey `json:"pubkey"`
+	Name         string       `json:"name,omitempty"`
+	URL          string       `json:"url,omitempty"`
+	Icon         string       `json:"icon,omitempty"`
+	CustomRelays []string     `json:"custom_relays,omitempty"`
+}
+
 type plainOrEncryptedKey struct {
 	Plain     *nostr.SecretKey
 	Encrypted *string
@@ -489,3 +618,89 @@ func (a plainOrEncryptedKey) equals(b plainOrEncryptedKey) bool {
 
 	return true
 }
+
+func getSocketPath(c *cli.Command) string {
+	profile := "default"
+	if c.IsSet("profile") {
+		profile = c.String("profile")
+	}
+	return filepath.Join(c.String("config-path"), "bunkerconn", profile)
+}
+
+func onSocketConnect(ctx context.Context, c *cli.Command) chan *url.URL {
+	res := make(chan *url.URL)
+	socketPath := getSocketPath(c)
+
+	// ensure directory exists
+	if err := os.MkdirAll(filepath.Dir(socketPath), 0755); err != nil {
+		log(color.RedString("failed to create socket directory: %s\n", err))
+		return res
+	}
+
+	// delete existing socket file if it exists
+	if _, err := os.Stat(socketPath); err == nil {
+		if err := os.Remove(socketPath); err != nil {
+			log(color.RedString("failed to remove existing socket file: %s\n", err))
+			return res
+		}
+	}
+
+	listener, err := net.Listen("unix", socketPath)
+	if err != nil {
+		log(color.RedString("failed to listen on unix socket %s: %s\n", socketPath, err))
+		return res
+	}
+
+	go func() {
+		defer listener.Close()
+		defer os.Remove(socketPath) // cleanup socket file on exit
+
+		for {
+			conn, err := listener.Accept()
+			if err != nil {
+				select {
+				case <-ctx.Done():
+					return
+				default:
+					continue
+				}
+			}
+
+			go func(conn net.Conn) {
+				defer conn.Close()
+				buf := make([]byte, 4096)
+
+				for {
+					conn.SetReadDeadline(time.Now().Add(5 * time.Second))
+					n, err := conn.Read(buf)
+					if err != nil {
+						break
+					}
+
+					uri, err := url.Parse(string(buf[:n]))
+					if err == nil && uri.Scheme == "nostrconnect" {
+						res <- uri
+					}
+				}
+			}(conn)
+		}
+	}()
+
+	return res
+}
+
+func sendToSocket(c *cli.Command, value string) error {
+	socketPath := getSocketPath(c)
+
+	conn, err := net.DialTimeout("unix", socketPath, 5*time.Second)
+	if err != nil {
+		return fmt.Errorf("failed to connect to bunker unix socket at %s: %w", socketPath, err)
+	}
+	defer conn.Close()
+
+	_, err = conn.Write([]byte(value))
+	if err != nil {
+		return fmt.Errorf("failed to send uri to bunker: %w", err)
+	}
+	return nil
+}

count.go

@@ -7,70 +7,61 @@ import (
 	"strings"
 
 	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/nip42"
 	"fiatjaf.com/nostr/nip45"
 	"fiatjaf.com/nostr/nip45/hyperloglog"
+	"github.com/fatih/color"
+	"github.com/mailru/easyjson"
 	"github.com/urfave/cli/v3"
 )
 
 var count = &cli.Command{
 	Name:                      "count",
 	Usage:                     "generates encoded COUNT messages and optionally use them to talk to relays",
-	Description:               `outputs a nip45 request (the flags are mostly the same as 'nak req').`,
+	Description:               `like 'nak req', but does a "COUNT" call instead. Will attempt to perform HyperLogLog aggregation if more than one relay is specified.`,
 	DisableSliceFlagSeparator: true,
-	Flags: []cli.Flag{
-		&PubKeySliceFlag{
-			Name:     "author",
-			Aliases:  []string{"a"},
-			Usage:    "only accept events from these authors (pubkey as hex)",
-			Category: CATEGORY_FILTER_ATTRIBUTES,
-		},
-		&cli.IntSliceFlag{
-			Name:     "kind",
-			Aliases:  []string{"k"},
-			Usage:    "only accept events with these kind numbers",
-			Category: CATEGORY_FILTER_ATTRIBUTES,
-		},
-		&cli.StringSliceFlag{
-			Name:     "tag",
-			Aliases:  []string{"t"},
-			Usage:    "takes a tag like -t e=<id>, only accept events with these tags",
-			Category: CATEGORY_FILTER_ATTRIBUTES,
-		},
-		&cli.StringSliceFlag{
-			Name:     "e",
-			Usage:    "shortcut for --tag e=<value>",
-			Category: CATEGORY_FILTER_ATTRIBUTES,
-		},
-		&cli.StringSliceFlag{
-			Name:     "p",
-			Usage:    "shortcut for --tag p=<value>",
-			Category: CATEGORY_FILTER_ATTRIBUTES,
-		},
-		&NaturalTimeFlag{
-			Name:     "since",
-			Aliases:  []string{"s"},
-			Usage:    "only accept events newer than this (unix timestamp)",
-			Category: CATEGORY_FILTER_ATTRIBUTES,
-		},
-		&NaturalTimeFlag{
-			Name:     "until",
-			Aliases:  []string{"u"},
-			Usage:    "only accept events older than this (unix timestamp)",
-			Category: CATEGORY_FILTER_ATTRIBUTES,
-		},
-		&cli.IntFlag{
-			Name:     "limit",
-			Aliases:  []string{"l"},
-			Usage:    "only accept up to this number of events",
-			Category: CATEGORY_FILTER_ATTRIBUTES,
-		},
-	},
+	Flags: append(defaultKeyFlags,
+		append(reqFilterFlags,
+			&cli.BoolFlag{
+				Name:  "auth",
+				Usage: "always perform nip42 \"AUTH\" when facing an \"auth-required: \" rejection and try again",
+			},
+			&cli.BoolFlag{
+				Name:     "force-pre-auth",
+				Aliases:  []string{"fpa"},
+				Usage:    "after connecting, for a nip42 \"AUTH\" message to be received, act on it and only then send the \"COUNT\"",
+				Category: CATEGORY_SIGNER,
+			},
+		)...,
+	),
 	ArgsUsage: "[relay...]",
 	Action: func(ctx context.Context, c *cli.Command) error {
 		biggerUrlSize := 0
 		relayUrls := c.Args().Slice()
 		if len(relayUrls) > 0 {
-			relays := connectToAllRelays(ctx, c, relayUrls, nil, nostr.PoolOptions{})
+			forcePreAuthSigner := authSigner
+			if !c.Bool("force-pre-auth") {
+				forcePreAuthSigner = nil
+			}
+
+			sys.Pool.AuthRequiredHandler = func(ctx context.Context, authEvent *nostr.Event) error {
+				return authSigner(ctx, c, func(s string, args ...any) {
+					if strings.HasPrefix(s, "authenticating as") {
+						cleanUrl, _ := strings.CutPrefix(
+							nip42.GetRelayURLFromAuthEvent(*authEvent),
+							"wss://",
+						)
+						s = "authenticating to " + color.CyanString(cleanUrl) + " as" + s[len("authenticating as"):]
+					}
+					log(s+"\n", args...)
+				}, authEvent)
+			}
+			relays := connectToAllRelays(
+				ctx,
+				c,
+				relayUrls,
+				forcePreAuthSigner,
+			)
 			if len(relays) == 0 {
 				log("failed to connect to any of the given relays.\n")
 				os.Exit(3)
@@ -84,95 +75,62 @@ var count = &cli.Command{
 			}
 		}
 
-		filter := nostr.Filter{}
-
-		if authors := getPubKeySlice(c, "author"); len(authors) > 0 {
-			filter.Authors = authors
-		}
-		if kinds64 := c.IntSlice("kind"); len(kinds64) > 0 {
-			kinds := make([]nostr.Kind, len(kinds64))
-			for i, v := range kinds64 {
-				kinds[i] = nostr.Kind(v)
-			}
-			filter.Kinds = kinds
-		}
-
-		tags := make([][]string, 0, 5)
-		for _, tagFlag := range c.StringSlice("tag") {
-			spl := strings.SplitN(tagFlag, "=", 2)
-			if len(spl) == 2 {
-				tags = append(tags, spl)
-			} else {
-				return fmt.Errorf("invalid --tag '%s'", tagFlag)
-			}
-		}
-		for _, etag := range c.StringSlice("e") {
-			tags = append(tags, []string{"e", etag})
-		}
-		for _, ptag := range c.StringSlice("p") {
-			tags = append(tags, []string{"p", ptag})
-		}
-		if len(tags) > 0 {
-			filter.Tags = make(nostr.TagMap)
-			for _, tag := range tags {
-				if _, ok := filter.Tags[tag[0]]; !ok {
-					filter.Tags[tag[0]] = make([]string, 0, 3)
-				}
-				filter.Tags[tag[0]] = append(filter.Tags[tag[0]], tag[1])
-			}
-		}
-
-		if c.IsSet("since") {
-			filter.Since = getNaturalDate(c, "since")
-		}
-		if c.IsSet("until") {
-			filter.Until = getNaturalDate(c, "until")
-		}
-
-		if limit := c.Int("limit"); limit != 0 {
-			filter.Limit = int(limit)
-		}
-
-		successes := 0
-		if len(relayUrls) > 0 {
-			var hll *hyperloglog.HyperLogLog
-			if offset := nip45.HyperLogLogEventPubkeyOffsetForFilter(filter); offset != -1 && len(relayUrls) > 1 {
-				hll = hyperloglog.New(offset)
-			}
-			for _, relayUrl := range relayUrls {
-				relay, _ := sys.Pool.EnsureRelay(relayUrl)
-				count, hllRegisters, err := relay.Count(ctx, filter, nostr.SubscriptionOptions{
-					Label: "nak-count",
-				})
-				fmt.Fprintf(os.Stderr, "%s%s: ", strings.Repeat(" ", biggerUrlSize-len(relayUrl)), relayUrl)
-
-				if err != nil {
-					fmt.Fprintf(os.Stderr, "❌ %s\n", err)
+		// go line by line from stdin or run once with input from flags
+		for stdinFilter := range getJsonsOrBlank() {
+			filter := nostr.Filter{}
+			if stdinFilter != "" {
+				if err := easyjson.Unmarshal([]byte(stdinFilter), &filter); err != nil {
+					ctx = lineProcessingError(ctx, "invalid filter '%s' received from stdin: %s", stdinFilter, err)
 					continue
 				}
+			}
 
-				var hasHLLStr string
-				if hll != nil && len(hllRegisters) == 256 {
-					hll.MergeRegisters(hllRegisters)
-					hasHLLStr = " 📋"
+			if err := applyFlagsToFilter(c, &filter); err != nil {
+				return err
+			}
+
+			successes := 0
+			if len(relayUrls) > 0 {
+				var hll *hyperloglog.HyperLogLog
+				if offset := nip45.HyperLogLogEventPubkeyOffsetForFilter(filter); offset != -1 && len(relayUrls) > 1 {
+					hll = hyperloglog.New(offset)
 				}
+				for _, relayUrl := range relayUrls {
+					relay, _ := sys.Pool.EnsureRelay(relayUrl)
+					count, hllRegisters, err := relay.Count(ctx, filter, nostr.SubscriptionOptions{
+						Label: "nak-count",
+					})
+					fmt.Fprintf(os.Stderr, "%s%s: ", strings.Repeat(" ", biggerUrlSize-len(relayUrl)), relayUrl)
 
-				fmt.Fprintf(os.Stderr, "%d%s\n", count, hasHLLStr)
-				successes++
+					if err != nil {
+						fmt.Fprintf(os.Stderr, "error: %s\n", err)
+						continue
+					}
+
+					var hasHLLStr string
+					if hll != nil && len(hllRegisters) == 256 {
+						hll.MergeRegisters(hllRegisters)
+						hasHLLStr = " (hll)"
+					}
+
+					fmt.Fprintf(os.Stderr, "%d%s\n", count, hasHLLStr)
+					successes++
+				}
+				if successes == 0 {
+					return fmt.Errorf("all relays have failed")
+				} else if hll != nil {
+					fmt.Fprintf(os.Stderr, "HyperLogLog sum: %d\n", hll.Count())
+				}
+			} else {
+				// no relays given, will just print the filter
+				var result string
+				j, _ := json.Marshal([]any{"COUNT", "nak", filter})
+				result = string(j)
+				stdout(result)
 			}
-			if successes == 0 {
-				return fmt.Errorf("all relays have failed")
-			} else if hll != nil {
-				fmt.Fprintf(os.Stderr, "📋 HyperLogLog sum: %d\n", hll.Count())
-			}
-		} else {
-			// no relays given, will just print the filter
-			var result string
-			j, _ := json.Marshal([]any{"COUNT", "nak", filter})
-			result = string(j)
-			stdout(result)
 		}
 
+		exitIfLineProcessingError(ctx)
 		return nil
 	},
 }

curl.go

@@ -120,8 +120,10 @@ func realCurl() error {
 			keyFlags = append(keyFlags, arg)
 			if arg != "--prompt-sec" {
 				i++
-				val := os.Args[i+2]
-				keyFlags = append(keyFlags, val)
+				if i+2 >= len(os.Args) {
+					break
+				}
+				keyFlags = append(keyFlags, os.Args[i+2])
 			}
 		} else {
 			curlFlags = append(curlFlags, arg)

decode.go

@@ -86,7 +86,7 @@ var decode = &cli.Command{
 				continue
 			}
 
-			ctx = lineProcessingError(ctx, "couldn't decode input '%s'", input)
+			ctx = lineProcessingError(ctx, "couldn't decode input '%s': %s", input, err)
 		}
 
 		exitIfLineProcessingError(ctx)

dekey.go

@@ -0,0 +1,435 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+	"slices"
+
+	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/nip19"
+	"fiatjaf.com/nostr/nip44"
+	"github.com/AlecAivazis/survey/v2"
+	"github.com/fatih/color"
+	"github.com/urfave/cli/v3"
+)
+
+var dekey = &cli.Command{
+	Name:                      "dekey",
+	Usage:                     "handles NIP-4E decoupled encryption keys",
+	Description:               "maybe this picture will explain better than I can do here for now: https://cdn.azzamo.net/89c543d261ad0d665c1dea78f91e527c2e39e7fe503b440265a3c47e63c9139f.png",
+	DisableSliceFlagSeparator: true,
+	Flags: append(defaultKeyFlags,
+		&cli.StringFlag{
+			Name:  "device",
+			Usage: "name of this device that will be published and displayed on other clients",
+			Value: func() string {
+				if hostname, err := os.Hostname(); err == nil {
+					return "nak@" + hostname
+				}
+				return "nak@unknown"
+			}(),
+		},
+		&cli.BoolFlag{
+			Name:  "rotate",
+			Usage: "force the creation of a new decoupled encryption key, effectively invalidating any previous ones",
+		},
+		&cli.BoolFlag{
+			Name:    "authorize-all",
+			Aliases: []string{"yolo"},
+			Usage:   "do not ask for confirmation, just automatically send the decoupled encryption key to all devices that exist",
+		},
+		&cli.BoolFlag{
+			Name:  "reject-all",
+			Usage: "do not ask for confirmation, just not send the decoupled encryption key to any device",
+		},
+	),
+	Action: func(ctx context.Context, c *cli.Command) error {
+		kr, _, err := gatherKeyerFromArguments(ctx, c)
+		if err != nil {
+			return err
+		}
+
+		userPub, err := kr.GetPublicKey(ctx)
+		if err != nil {
+			return fmt.Errorf("failed to get user public key: %w", err)
+		}
+
+		configPath := c.String("config-path")
+		deviceName := c.String("device")
+
+		log("handling device key for %s as %s\n",
+			color.YellowString(deviceName),
+			color.CyanString(nip19.EncodeNpub(userPub)),
+		)
+		// check if we already have a local-device secret key
+		deviceKeyPath := filepath.Join(configPath, "dekey", "device-key")
+		var deviceSec nostr.SecretKey
+		if data, err := os.ReadFile(deviceKeyPath); err == nil {
+			log(color.GreenString("found existing device key\n"))
+			deviceSec, err = nostr.SecretKeyFromHex(string(data))
+			if err != nil {
+				return fmt.Errorf("invalid device key in %s: %w", deviceKeyPath, err)
+			}
+		} else {
+			log(color.YellowString("generating new device key\n"))
+			// create one
+			deviceSec = nostr.Generate()
+			os.MkdirAll(filepath.Dir(deviceKeyPath), 0700)
+			if err := os.WriteFile(deviceKeyPath, []byte(deviceSec.Hex()), 0600); err != nil {
+				return fmt.Errorf("failed to write device key: %w", err)
+			}
+			log(color.GreenString("device key generated and stored\n"))
+		}
+		devicePub := deviceSec.Public()
+
+		// get relays for the user
+		log("fetching write relays for %s\n", color.CyanString(nip19.EncodeNpub(userPub)))
+		relays := sys.FetchWriteRelays(ctx, userPub)
+		relayList := connectToAllRelays(ctx, c, relays, nil)
+		if len(relayList) == 0 {
+			return fmt.Errorf("no relays to use")
+		}
+
+		// check for kind:10044
+		log("- checking for decoupled encryption key (kind:10044)\n")
+		keyAnnouncementResult := sys.Pool.FetchManyReplaceable(ctx, relays, nostr.Filter{
+			Kinds:   []nostr.Kind{10044},
+			Authors: []nostr.PubKey{userPub},
+		}, nostr.SubscriptionOptions{Label: "nak-nip4e"})
+		var eSec nostr.SecretKey
+		var ePub nostr.PubKey
+
+		var generateNewEncryptionKey bool
+		keyAnnouncementEvent, ok := keyAnnouncementResult.Load(nostr.ReplaceableKey{PubKey: userPub, D: ""})
+		if !ok {
+			log("- no decoupled encryption key found, generating new one\n")
+			generateNewEncryptionKey = true
+		} else {
+			// get the pub from the tag
+			for _, tag := range keyAnnouncementEvent.Tags {
+				if len(tag) >= 2 && tag[0] == "n" {
+					ePub, _ = nostr.PubKeyFromHex(tag[1])
+					break
+				}
+			}
+			if ePub == nostr.ZeroPK {
+				return fmt.Errorf("got invalid kind:10044 event, no 'n' tag")
+			}
+
+			log(". a decoupled encryption public key already exists: %s\n", color.CyanString(ePub.Hex()))
+			if c.Bool("rotate") {
+				log(color.GreenString("rotating it by generating a new one\n"))
+				generateNewEncryptionKey = true
+			}
+		}
+
+		if generateNewEncryptionKey {
+			// generate main secret key
+			eSec = nostr.Generate()
+			ePub = eSec.Public()
+
+			// store it
+			eKeyPath := filepath.Join(configPath, "dekey", "p", userPub.Hex(), "e", ePub.Hex())
+			os.MkdirAll(filepath.Dir(eKeyPath), 0700)
+			if err := os.WriteFile(eKeyPath, []byte(eSec.Hex()), 0600); err != nil {
+				return fmt.Errorf("failed to write decoupled encryption key: %w", err)
+			}
+			log("decoupled encryption key generated and stored, public key: %s\n", color.CyanString(ePub.Hex()))
+
+			// publish kind:10044
+			log("publishing decoupled encryption public key (kind:10044)\n")
+			evt10044 := nostr.Event{
+				Kind:      10044,
+				Content:   "",
+				CreatedAt: nostr.Now(),
+				Tags: nostr.Tags{
+					{"n", ePub.Hex()},
+				},
+			}
+			if err := kr.SignEvent(ctx, &evt10044); err != nil {
+				return fmt.Errorf("failed to sign kind:10044: %w", err)
+			}
+			if err := publishFlow(ctx, c, kr, evt10044, relayList); err != nil {
+				return err
+			}
+		} else {
+			// check if we have the key
+			eKeyPath := filepath.Join(configPath, "dekey", "p", userPub.Hex(), "e", ePub.Hex())
+			if data, err := os.ReadFile(eKeyPath); err == nil {
+				log(color.GreenString("- and we have it locally already\n"))
+				eSec, err = nostr.SecretKeyFromHex(string(data))
+				if err != nil {
+					return fmt.Errorf("invalid main key: %w", err)
+				}
+				if eSec.Public() != ePub {
+					return fmt.Errorf("stored decoupled encryption key is corrupted: %w", err)
+				}
+			} else {
+				log("- decoupled encryption key not found locally, attempting to fetch the key from other devices\n")
+
+				// check if our kind:4454 is already published
+				log("- checking for existing device announcement (kind:4454)\n")
+				ourDeviceAnnouncementEvents := make([]nostr.Event, 0, 1)
+				for evt := range sys.Pool.FetchMany(ctx, relays, nostr.Filter{
+					Kinds:   []nostr.Kind{4454},
+					Authors: []nostr.PubKey{userPub},
+					Tags: nostr.TagMap{
+						"P": []string{devicePub.Hex()},
+					},
+					Limit: 1,
+				}, nostr.SubscriptionOptions{Label: "nak-nip4e"}) {
+					ourDeviceAnnouncementEvents = append(ourDeviceAnnouncementEvents, evt.Event)
+				}
+				if len(ourDeviceAnnouncementEvents) == 0 {
+					log(". no device announcement found, publishing kind:4454 for %s\n", color.YellowString(deviceName))
+					// publish kind:4454
+					evt := nostr.Event{
+						Kind:      4454,
+						Content:   "",
+						CreatedAt: nostr.Now(),
+						Tags: nostr.Tags{
+							{"client", deviceName},
+							{"P", devicePub.Hex()},
+						},
+					}
+
+					// sign with main key
+					if err := kr.SignEvent(ctx, &evt); err != nil {
+						return fmt.Errorf("failed to sign device event: %w", err)
+					}
+
+					// publish
+					if err := publishFlow(ctx, c, kr, evt, relayList); err != nil {
+						return err
+					}
+					log(color.GreenString(". device announcement published\n"))
+					ourDeviceAnnouncementEvents = append(ourDeviceAnnouncementEvents, evt)
+				} else {
+					log(color.GreenString(". device already registered\n"))
+				}
+
+				// see if some other device has shared the key with us from kind:4455
+				for eKeyMsg := range sys.Pool.FetchMany(ctx, relays, nostr.Filter{
+					Kinds: []nostr.Kind{4455},
+					Tags: nostr.TagMap{
+						"p": []string{devicePub.Hex()},
+					},
+					Since: keyAnnouncementEvent.CreatedAt + 1,
+				}, nostr.SubscriptionOptions{Label: "nak-nip4e"}) {
+					var senderPub nostr.PubKey
+					for _, tag := range eKeyMsg.Tags {
+						if len(tag) >= 2 && tag[0] == "P" {
+							senderPub, _ = nostr.PubKeyFromHex(tag[1])
+							break
+						}
+					}
+					if senderPub == nostr.ZeroPK {
+						continue
+					}
+					ss, err := nip44.GenerateConversationKey(senderPub, deviceSec)
+					if err != nil {
+						continue
+					}
+					eSecHex, err := nip44.Decrypt(eKeyMsg.Content, ss)
+					if err != nil {
+						continue
+					}
+					eSec, err = nostr.SecretKeyFromHex(eSecHex)
+					if err != nil {
+						continue
+					}
+					// check if it matches mainPub
+					if eSec.Public() == ePub {
+						log(color.GreenString("successfully received decoupled encryption key from another device\n"))
+						// store it
+						os.MkdirAll(filepath.Dir(eKeyPath), 0700)
+						os.WriteFile(eKeyPath, []byte(eSecHex), 0600)
+
+						// delete our 4454 if we had one, since we received the key
+						if len(ourDeviceAnnouncementEvents) > 0 {
+							log("deleting our device announcement (kind:4454) since we received the decoupled encryption key\n")
+							deletion4454 := nostr.Event{
+								CreatedAt: nostr.Now(),
+								Kind:      5,
+								Tags: nostr.Tags{
+									{"e", ourDeviceAnnouncementEvents[0].ID.Hex()},
+								},
+							}
+							if err := kr.SignEvent(ctx, &deletion4454); err != nil {
+								log(color.RedString("failed to sign 4454 deletion: %v\n"), err)
+							} else if err := publishFlow(ctx, c, kr, deletion4454, relayList); err != nil {
+								log(color.RedString("failed to publish 4454 deletion: %v\n"), err)
+							} else {
+								log(color.GreenString("- device announcement deleted\n"))
+							}
+						}
+
+						// delete the 4455 we just decrypted
+						log("deleting the key message (kind:4455) we just decrypted\n")
+						deletion4455 := nostr.Event{
+							CreatedAt: nostr.Now(),
+							Kind:      5,
+							Tags: nostr.Tags{
+								{"e", eKeyMsg.ID.Hex()},
+							},
+						}
+						if err := kr.SignEvent(ctx, &deletion4455); err != nil {
+							log(color.RedString("failed to sign 4455 deletion: %v\n"), err)
+						} else if err := publishFlow(ctx, c, kr, deletion4455, relayList); err != nil {
+							log(color.RedString("failed to publish 4455 deletion: %v\n"), err)
+						} else {
+							log(color.GreenString("- key message deleted\n"))
+						}
+
+						break
+					}
+				}
+			}
+		}
+
+		if eSec == [32]byte{} {
+			log("decoupled encryption secret key not available, must be sent from another device to %s first\n",
+				color.YellowString(deviceName))
+			return nil
+		}
+		log(color.GreenString("- decoupled encryption key ready\n"))
+
+		// now we have mainSec, check for other kind:4454 events newer than the 10044
+		log("- checking for other devices and key messages so we can send the key\n")
+		keyMsgs := make([]string, 0, 5)
+		for keyOrDeviceEvt := range sys.Pool.FetchMany(ctx, relays, nostr.Filter{
+			Kinds:   []nostr.Kind{4454, 4455},
+			Authors: []nostr.PubKey{userPub},
+			Since:   keyAnnouncementEvent.CreatedAt + 1,
+		}, nostr.SubscriptionOptions{Label: "nak-nip4e"}) {
+			if keyOrDeviceEvt.Kind == 4455 {
+				// got key event
+				keyEvent := keyOrDeviceEvt
+
+				// assume a key msg will always come before its associated devicemsg
+				// so just store them here:
+				pubkeyTag := keyEvent.Tags.Find("p")
+				if pubkeyTag == nil {
+					continue
+				}
+				keyMsgs = append(keyMsgs, pubkeyTag[1])
+			} else if keyOrDeviceEvt.Kind == 4454 {
+				// device event
+				deviceEvt := keyOrDeviceEvt
+
+				// skip ourselves
+				if deviceEvt.Tags.FindWithValue("P", devicePub.Hex()) != nil {
+					continue
+				}
+
+				// if there is a clock skew (current time is earlier than the time of this device's announcement) skip it
+				if nostr.Now() < deviceEvt.CreatedAt {
+					continue
+				}
+
+				// if this already has a corresponding keyMsg then skip it
+				pubkeyTag := deviceEvt.Tags.Find("P")
+				if pubkeyTag == nil {
+					continue
+				}
+
+				if slices.Contains(keyMsgs, pubkeyTag[1]) {
+					continue
+				}
+
+				deviceTag := deviceEvt.Tags.Find("client")
+				if deviceTag == nil {
+					continue
+				}
+
+				// here we know we're dealing with a deviceMsg without a corresponding keyMsg
+				// so we have to build a keyMsg for them
+				theirDevice, err := nostr.PubKeyFromHex(pubkeyTag[1])
+				if err != nil {
+					continue
+				}
+
+				if c.Bool("authorize-all") {
+					// will proceed
+				} else if c.Bool("reject-all") {
+					log("  - skipping %s\n", color.YellowString(deviceTag[1]))
+					continue
+				} else {
+					var proceed bool
+					if err := survey.AskOne(&survey.Confirm{
+						Message: fmt.Sprintf("share decoupled encryption key with %s"+colors.bold("?"),
+							color.YellowString(deviceTag[1])),
+					}, &proceed); err != nil {
+						return err
+					}
+					if proceed {
+						// will proceed
+					} else {
+						// won't proceed
+						var deleteDevice bool
+						if err := survey.AskOne(&survey.Confirm{
+							Message: fmt.Sprintf("  delete %s"+colors.bold("'s announcement?"), color.YellowString(deviceTag[1])),
+						}, &deleteDevice); err != nil {
+							return err
+						}
+
+						if deleteDevice {
+							log("  - deleting %s\n", color.YellowString(deviceTag[1]))
+							deletion := nostr.Event{
+								CreatedAt: nostr.Now(),
+								Kind:      5,
+								Tags: nostr.Tags{
+									{"e", deviceEvt.ID.Hex()},
+								},
+							}
+							if err := kr.SignEvent(ctx, &deletion); err != nil {
+								return fmt.Errorf("failed to sign deletion '%s': %w", deletion.GetID().Hex(), err)
+							}
+							if err := publishFlow(ctx, c, kr, deletion, relayList); err != nil {
+								return fmt.Errorf("publish flow failed: %w", err)
+							}
+						} else {
+							log("  - skipped\n")
+						}
+
+						continue
+					}
+				}
+
+				log("- sending decoupled encryption key to new device %s\n", color.YellowString(deviceTag[1]))
+				ss, err := nip44.GenerateConversationKey(theirDevice, deviceSec)
+				if err != nil {
+					continue
+				}
+				ciphertext, err := nip44.Encrypt(eSec.Hex(), ss)
+				if err != nil {
+					continue
+				}
+
+				evt4455 := nostr.Event{
+					Kind:      4455,
+					Content:   ciphertext,
+					CreatedAt: nostr.Now(),
+					Tags: nostr.Tags{
+						{"p", theirDevice.Hex()},
+						{"P", devicePub.Hex()},
+					},
+				}
+				if err := kr.SignEvent(ctx, &evt4455); err != nil {
+					continue
+				}
+
+				if err := publishFlow(ctx, c, kr, evt4455, relayList); err != nil {
+					log(color.RedString("failed to publish key message: %v\n"), err)
+				} else {
+					log("  - decoupled encryption key sent to %s\n", color.GreenString(deviceTag[1]))
+				}
+			}
+		}
+
+		stdout(ePub.Hex())
+		return nil
+	},
+}

encode.go

@@ -2,13 +2,66 @@ package main
 
 import (
 	"context"
+	stdjson "encoding/json"
 	"fmt"
+	"iter"
 
 	"fiatjaf.com/nostr"
 	"fiatjaf.com/nostr/nip19"
 	"github.com/urfave/cli/v3"
 )
 
+func parseProfilePointerInput(target string) (nostr.ProfilePointer, bool) {
+	var profilePtr nostr.ProfilePointer
+	if err := stdjson.Unmarshal([]byte(target), &profilePtr); err != nil || profilePtr.PublicKey == nostr.ZeroPK {
+		return nostr.ProfilePointer{}, false
+	}
+	return profilePtr, true
+}
+
+func parseEventPointerInput(target string) (nostr.EventPointer, bool) {
+	var eventPtr nostr.EventPointer
+	if err := stdjson.Unmarshal([]byte(target), &eventPtr); err != nil || eventPtr.ID == nostr.ZeroID {
+		return nostr.EventPointer{}, false
+	}
+	return eventPtr, true
+}
+
+func parseEntityPointerInput(target string) (nostr.EntityPointer, bool) {
+	var entityPtr nostr.EntityPointer
+	if err := stdjson.Unmarshal([]byte(target), &entityPtr); err != nil || entityPtr.PublicKey == nostr.ZeroPK || entityPtr.Kind == 0 {
+		return nostr.EntityPointer{}, false
+	}
+	return entityPtr, true
+}
+
+func getEncodeSubcommandInput(args cli.Args, allowBlank bool) iter.Seq[string] {
+	if args.Len() > 0 {
+		return func(yield func(string) bool) {
+			for _, arg := range args.Slice() {
+				if !yield(arg) {
+					return
+				}
+			}
+		}
+	}
+
+	return func(yield func(string) bool) {
+		for jsonStr := range getJsonsOrBlank() {
+			if jsonStr == "{}" {
+				if allowBlank {
+					yield("")
+				}
+				return
+			}
+
+			if !yield(jsonStr) {
+				return
+			}
+		}
+	}
+}
+
 var encode = &cli.Command{
 	Name:  "encode",
 	Usage: "encodes notes and other stuff to nip19 entities",
@@ -21,21 +74,19 @@ var encode = &cli.Command{
 		nak encode nsec <privkey-hex>
 		echo '{"pubkey":"7b225d32d3edb978dba1adfd9440105646babbabbda181ea383f74ba53c3be19","relays":["wss://nada.zero"]}' | nak encode
 		echo '{
-		  "id":"7b225d32d3edb978dba1adfd9440105646babbabbda181ea383f74ba53c3be19"
+		  "id":"7b225d32d3edb978dba1adfd9440105646babbabbda181ea383f74ba53c3be19",
 		  "relays":["wss://nada.zero"],
 		  "author":"ebb6ff85430705651b311ed51328767078fd790b14f02d22efba68d5513376bc"
 		} | nak encode`,
-	Flags: []cli.Flag{
-		&cli.StringSliceFlag{
-			Name:    "relay",
-			Aliases: []string{"r"},
-			Usage:   "attach relay hints to naddr code",
-		},
-	},
 	DisableSliceFlagSeparator: true,
 	Action: func(ctx context.Context, c *cli.Command) error {
 		if c.Args().Len() != 0 {
-			return nil
+			switch c.Args().First() {
+			case "naddr", "nevent", "npub", "nprofile", "nsec":
+				return nil
+			}
+
+			return fmt.Errorf("unknown encode target '%s'", c.Args().First())
 		}
 
 		relays := c.StringSlice("relay")
@@ -52,21 +103,18 @@ var encode = &cli.Command{
 				hasStdin = true
 			}
 
-			var eventPtr nostr.EventPointer
-			if err := json.Unmarshal([]byte(jsonStr), &eventPtr); err == nil && eventPtr.ID != nostr.ZeroID {
-				stdout(nip19.EncodeNevent(eventPtr.ID, appendUnique(relays, eventPtr.Relays...), eventPtr.Author))
+			if eventPtr, ok := parseEventPointerInput(jsonStr); ok {
+				stdout(nip19.EncodeNevent(eventPtr.ID, nostr.AppendUnique(relays, eventPtr.Relays...), eventPtr.Author))
 				continue
 			}
 
-			var profilePtr nostr.ProfilePointer
-			if err := json.Unmarshal([]byte(jsonStr), &profilePtr); err == nil && profilePtr.PublicKey != nostr.ZeroPK {
-				stdout(nip19.EncodeNprofile(profilePtr.PublicKey, appendUnique(relays, profilePtr.Relays...)))
+			if entityPtr, ok := parseEntityPointerInput(jsonStr); ok {
+				stdout(nip19.EncodeNaddr(entityPtr.PublicKey, entityPtr.Kind, entityPtr.Identifier, nostr.AppendUnique(relays, entityPtr.Relays...)))
 				continue
 			}
 
-			var entityPtr nostr.EntityPointer
-			if err := json.Unmarshal([]byte(jsonStr), &entityPtr); err == nil && entityPtr.PublicKey != nostr.ZeroPK {
-				stdout(nip19.EncodeNaddr(entityPtr.PublicKey, entityPtr.Kind, entityPtr.Identifier, appendUnique(relays, entityPtr.Relays...)))
+			if profilePtr, ok := parseProfilePointerInput(jsonStr); ok {
+				stdout(nip19.EncodeNprofile(profilePtr.PublicKey, nostr.AppendUnique(relays, profilePtr.Relays...)))
 				continue
 			}
 
@@ -89,7 +137,7 @@ var encode = &cli.Command{
 				for target := range getStdinLinesOrArguments(c.Args()) {
 					pk, err := nostr.PubKeyFromHexCheap(target)
 					if err != nil {
-						ctx = lineProcessingError(ctx, "invalid public key '%s': %w", target, err)
+						ctx = lineProcessingError(ctx, "invalid public key '%s': %s", target, err)
 						continue
 					}
 
@@ -108,7 +156,7 @@ var encode = &cli.Command{
 				for target := range getStdinLinesOrArguments(c.Args()) {
 					sk, err := nostr.SecretKeyFromHex(target)
 					if err != nil {
-						ctx = lineProcessingError(ctx, "invalid private key '%s': %w", target, err)
+						ctx = lineProcessingError(ctx, "invalid private key '%s': %s", target, err)
 						continue
 					}
 
@@ -126,19 +174,38 @@ var encode = &cli.Command{
 				&cli.StringSliceFlag{
 					Name:    "relay",
 					Aliases: []string{"r"},
-					Usage:   "attach relay hints to nprofile code",
+					Usage:   "attach relay hints to the code",
+				},
+				&BoolIntFlag{
+					Name:  "outbox",
+					Usage: "automatically appends outbox relays to the code",
+					Value: 3,
 				},
 			},
 			DisableSliceFlagSeparator: true,
 			Action: func(ctx context.Context, c *cli.Command) error {
-				for target := range getStdinLinesOrArguments(c.Args()) {
-					pk, err := nostr.PubKeyFromHexCheap(target)
-					if err != nil {
-						ctx = lineProcessingError(ctx, "invalid public key '%s': %w", target, err)
-						continue
+				for target := range getEncodeSubcommandInput(c.Args(), false) {
+					relays := c.StringSlice("relay")
+					pk := nostr.ZeroPK
+
+					if profilePtr, ok := parseProfilePointerInput(target); ok {
+						pk = profilePtr.PublicKey
+						relays = nostr.AppendUnique(relays, profilePtr.Relays...)
+					} else {
+						var err error
+						pk, err = nostr.PubKeyFromHexCheap(target)
+						if err != nil {
+							ctx = lineProcessingError(ctx, "invalid public key '%s': %s", target, err)
+							continue
+						}
+					}
+
+					if getBoolInt(c, "outbox") > 0 {
+						for _, r := range sys.FetchOutboxRelays(ctx, pk, int(getBoolInt(c, "outbox"))) {
+							relays = nostr.AppendUnique(relays, r)
+						}
 					}
 
-					relays := c.StringSlice("relay")
 					if err := normalizeAndValidateRelayURLs(relays); err != nil {
 						return err
 					}
@@ -159,18 +226,45 @@ var encode = &cli.Command{
 					Aliases: []string{"a"},
 					Usage:   "attach an author pubkey as a hint to the nevent code",
 				},
+				&cli.StringSliceFlag{
+					Name:    "relay",
+					Aliases: []string{"r"},
+					Usage:   "attach relay hints to the code",
+				},
+				&BoolIntFlag{
+					Name:  "outbox",
+					Usage: "automatically appends outbox relays to the code",
+					Value: 3,
+				},
 			},
 			DisableSliceFlagSeparator: true,
 			Action: func(ctx context.Context, c *cli.Command) error {
-				for target := range getStdinLinesOrArguments(c.Args()) {
-					id, err := nostr.IDFromHex(target)
-					if err != nil {
-						ctx = lineProcessingError(ctx, "invalid event id: %s", target)
-						continue
-					}
-
+				for target := range getEncodeSubcommandInput(c.Args(), false) {
+					id := nostr.ZeroID
 					author := getPubKey(c, "author")
 					relays := c.StringSlice("relay")
+
+					if eventPtr, ok := parseEventPointerInput(target); ok {
+						id = eventPtr.ID
+						relays = nostr.AppendUnique(relays, eventPtr.Relays...)
+						if author == nostr.ZeroPK {
+							author = eventPtr.Author
+						}
+					} else {
+						var err error
+						id, err = parseEventID(target)
+						if err != nil {
+							ctx = lineProcessingError(ctx, "invalid event id: %s", target)
+							continue
+						}
+					}
+
+					if getBoolInt(c, "outbox") > 0 && author != nostr.ZeroPK {
+						for _, r := range sys.FetchOutboxRelays(ctx, author, int(getBoolInt(c, "outbox"))) {
+							relays = nostr.AppendUnique(relays, r)
+						}
+					}
+
 					if err := normalizeAndValidateRelayURLs(relays); err != nil {
 						return err
 					}
@@ -187,43 +281,85 @@ var encode = &cli.Command{
 			Usage: "generate codes for addressable events",
 			Flags: []cli.Flag{
 				&cli.StringFlag{
-					Name:     "identifier",
-					Aliases:  []string{"d"},
-					Usage:    "the \"d\" tag identifier of this replaceable event -- can also be read from stdin",
-					Required: true,
+					Name:    "identifier",
+					Aliases: []string{"d"},
+					Usage:   "the \"d\" tag identifier of this replaceable event -- can also be read from stdin",
 				},
 				&PubKeyFlag{
-					Name:     "pubkey",
-					Usage:    "pubkey of the naddr author",
-					Aliases:  []string{"author", "a", "p"},
-					Required: true,
+					Name:    "pubkey",
+					Usage:   "pubkey of the naddr author",
+					Aliases: []string{"author", "a", "p"},
 				},
 				&cli.IntFlag{
-					Name:     "kind",
-					Aliases:  []string{"k"},
-					Usage:    "kind of referred replaceable event",
-					Required: true,
+					Name:    "kind",
+					Aliases: []string{"k"},
+					Usage:   "kind of referred replaceable event",
+				},
+				&cli.StringSliceFlag{
+					Name:    "relay",
+					Aliases: []string{"r"},
+					Usage:   "attach relay hints to the code",
+				},
+				&BoolIntFlag{
+					Name:  "outbox",
+					Usage: "automatically appends outbox relays to the code",
+					Value: 3,
 				},
 			},
 			DisableSliceFlagSeparator: true,
 			Action: func(ctx context.Context, c *cli.Command) error {
-				for d := range getStdinLinesOrBlank() {
+				for target := range getEncodeSubcommandInput(c.Args(), true) {
 					pubkey := getPubKey(c, "pubkey")
+					kind := nostr.Kind(c.Int("kind"))
+					d := c.String("identifier")
+					relays := c.StringSlice("relay")
 
-					kind := c.Int("kind")
-					if kind < 30000 || kind >= 40000 {
-						return fmt.Errorf("kind must be between 30000 and 39999, got %d", kind)
+					if entityPtr, ok := parseEntityPointerInput(target); ok {
+						relays = nostr.AppendUnique(relays, entityPtr.Relays...)
+						if pubkey == nostr.ZeroPK {
+							pubkey = entityPtr.PublicKey
+						}
+						if kind == 0 {
+							kind = entityPtr.Kind
+						}
+						if !c.IsSet("identifier") {
+							d = entityPtr.Identifier
+						}
+					} else if target != "" {
+						d = target
 					}
 
-					if d == "" {
-						d = c.String("identifier")
+					if pubkey == nostr.ZeroPK {
+						ctx = lineProcessingError(ctx, "pubkey must be set")
+						continue
+					}
+
+					if kind == 0 {
+						ctx = lineProcessingError(ctx, "kind must be set")
+						continue
+					}
+
+					if kind.IsAddressable() {
 						if d == "" {
-							ctx = lineProcessingError(ctx, "\"d\" tag identifier can't be empty")
+							ctx = lineProcessingError(ctx, "\"d\" tag identifier must be set for addressable events")
 							continue
 						}
+					} else if kind.IsReplaceable() {
+						if d != "" {
+							ctx = lineProcessingError(ctx, "\"d\" tag identifier must not be set for replaceable events")
+							continue
+						}
+					} else {
+						ctx = lineProcessingError(ctx, "can only encode addressable events")
+						continue
+					}
+
+					if getBoolInt(c, "outbox") > 0 {
+						for _, r := range sys.FetchOutboxRelays(ctx, pubkey, int(getBoolInt(c, "outbox"))) {
+							relays = nostr.AppendUnique(relays, r)
+						}
 					}
 
-					relays := c.StringSlice("relay")
 					if err := normalizeAndValidateRelayURLs(relays); err != nil {
 						return err
 					}

encrypt_decrypt.go

@@ -17,7 +17,7 @@ var encrypt = &cli.Command{
 		defaultKeyFlags,
 		&PubKeyFlag{
 			Name:     "recipient-pubkey",
-			Aliases:  []string{"p", "tgt", "target", "pubkey"},
+			Aliases:  []string{"p", "tgt", "target", "pubkey", "to"},
 			Required: true,
 		},
 		&cli.BoolFlag{
@@ -79,7 +79,7 @@ var decrypt = &cli.Command{
 		defaultKeyFlags,
 		&PubKeyFlag{
 			Name:     "sender-pubkey",
-			Aliases:  []string{"p", "src", "source", "pubkey"},
+			Aliases:  []string{"p", "src", "source", "pubkey", "from"},
 			Required: true,
 		},
 		&cli.BoolFlag{
@@ -111,7 +111,7 @@ var decrypt = &cli.Command{
 				}
 				plaintext, err := nip04.Decrypt(ciphertext, ss)
 				if err != nil {
-					return fmt.Errorf("failed to encrypt as nip04: %w", err)
+					return fmt.Errorf("failed to decrypt as nip04: %w", err)
 				}
 				stdout(plaintext)
 			}
@@ -123,7 +123,7 @@ var decrypt = &cli.Command{
 
 			res, err := kr.Decrypt(ctx, ciphertext, source)
 			if err != nil {
-				return fmt.Errorf("failed to encrypt: %w", err)
+				return fmt.Errorf("failed to decrypt: %w", err)
 			}
 			stdout(res)
 		}

event.go

@@ -24,7 +24,7 @@ const (
 	CATEGORY_EXTRAS       = "EXTRAS"
 )
 
-var event = &cli.Command{
+var eventCmd = &cli.Command{
 	Name:  "event",
 	Usage: "generates an encoded event and either prints it or sends it to a set of relays",
 	Description: `outputs an event built with the flags. if one or more relays are given as arguments, an attempt is also made to publish the event to these relays.
@@ -66,6 +66,18 @@ example:
 			Hidden: true,
 		},
 		// ~~~
+		&cli.BoolFlag{
+			Name:     "force-sign",
+			Usage:    "when an event is already signed and not modified it isn't signed again even when a different --sec is given, this option negates that",
+			Value:    false,
+			Category: CATEGORY_SIGNER,
+		},
+		&cli.BoolFlag{
+			Name:     "no-sign",
+			Usage:    "print the event without signing it, using the specified pubkey",
+			Value:    false,
+			Category: CATEGORY_SIGNER,
+		},
 		&cli.UintFlag{
 			Name:     "pow",
 			Usage:    "nip13 difficulty to target when doing hash work on the event id",
@@ -86,6 +98,12 @@ example:
 			Usage:    "print the nevent code (to stderr) after the event is published",
 			Category: CATEGORY_EXTRAS,
 		},
+		&cli.BoolFlag{
+			Name:        "outbox",
+			Usage:       "publish to the \"write\" relays of the author and to the \"read\" relays of anyone mentioned  in \"p\" tags",
+			DefaultText: "false, will only use manually-specified relays",
+			Category:    CATEGORY_EXTRAS,
+		},
 		&cli.UintFlag{
 			Name:        "kind",
 			Aliases:     []string{"k"},
@@ -94,6 +112,12 @@ example:
 			Value:       0,
 			Category:    CATEGORY_EVENT_FIELDS,
 		},
+		&PubKeyOrAddressFlag{
+			Name:     "author",
+			Aliases:  []string{"a"},
+			Usage:    "set the event pubkey or add an 'a' tag if it's an address",
+			Category: CATEGORY_EVENT_FIELDS,
+		},
 		&cli.StringFlag{
 			Name:        "content",
 			Aliases:     []string{"c"},
@@ -123,6 +147,11 @@ example:
 			Usage:    "shortcut for --tag d=<value>",
 			Category: CATEGORY_EVENT_FIELDS,
 		},
+		&cli.StringSliceFlag{
+			Name:     "h",
+			Usage:    "shortcut for --tag h=<value>",
+			Category: CATEGORY_EVENT_FIELDS,
+		},
 		&NaturalTimeFlag{
 			Name:        "created-at",
 			Aliases:     []string{"time", "ts"},
@@ -139,22 +168,8 @@ example:
 	),
 	ArgsUsage: "[relay...]",
 	Action: func(ctx context.Context, c *cli.Command) error {
-		// try to connect to the relays here
-		var relays []*nostr.Relay
+		relayUrls := c.Args().Slice()
 
-		if relayUrls := c.Args().Slice(); len(relayUrls) > 0 {
-			relays = connectToAllRelays(ctx, c, relayUrls, nil,
-				nostr.PoolOptions{
-					AuthHandler: func(ctx context.Context, authEvent *nostr.Event) error {
-						return authSigner(ctx, c, func(s string, args ...any) {}, authEvent)
-					},
-				},
-			)
-			if len(relays) == 0 {
-				log("failed to connect to any of the given relays.\n")
-				os.Exit(3)
-			}
-		}
 		kr, sec, err := gatherKeyerFromArguments(ctx, c)
 		if err != nil {
 			return err
@@ -168,6 +183,11 @@ example:
 		// this is called when we have a valid json from stdin
 		handleEvent := func(stdinEvent string) error {
 			evt.Content = ""
+			evt.CreatedAt = 0
+			clear(evt.Tags)
+			evt.ID = nostr.ZeroID
+			evt.PubKey = nostr.ZeroPK
+			evt.Sig = [64]byte{}
 
 			kindWasSupplied := strings.Contains(stdinEvent, `"kind"`)
 			contentWasSupplied := strings.Contains(stdinEvent, `"content"`)
@@ -211,19 +231,28 @@ example:
 				if found {
 					// tags may also contain extra elements separated with a ";"
 					tagValues := strings.Split(tagValue, ";")
+					val := tagValues[0]
+					if len(tagName) == 1 {
+						val = decodeTagValue(val, rune(tagName[0]))
+					}
+					if len(tagValues) >= 1 {
+						tagValues[0] = val
+					}
 					tag = append(tag, tagValues...)
 				}
 				tags = append(tags, tag)
 			}
 
 			for _, etag := range c.StringSlice("e") {
-				if tags.FindWithValue("e", etag) == nil {
-					tags = append(tags, nostr.Tag{"e", etag})
+				decodedEtag := decodeTagValue(etag, 'e')
+				if tags.FindWithValue("e", decodedEtag) == nil {
+					tags = append(tags, nostr.Tag{"e", decodedEtag})
 				}
 			}
 			for _, ptag := range c.StringSlice("p") {
-				if tags.FindWithValue("p", ptag) == nil {
-					tags = append(tags, nostr.Tag{"p", ptag})
+				decodedPtag := decodeTagValue(ptag, 'p')
+				if tags.FindWithValue("p", decodedPtag) == nil {
+					tags = append(tags, nostr.Tag{"p", decodedPtag})
 				}
 			}
 			for _, dtag := range c.StringSlice("d") {
@@ -231,12 +260,40 @@ example:
 					tags = append(tags, nostr.Tag{"d", dtag})
 				}
 			}
+			for _, htag := range c.StringSlice("h") {
+				if tags.FindWithValue("h", htag) == nil {
+					tags = append(tags, nostr.Tag{"h", htag})
+				}
+			}
+
+			var authorPubKey nostr.PubKey
+			for _, a := range getPubKeyOrAddressSlice(c, "author") {
+				// is it an address?
+				if a.Addr != nil {
+					aTag := a.Addr.AsTagReference()
+					if tags.FindWithValue("a", aTag) == nil {
+						tags = append(tags, nostr.Tag{"a", aTag})
+					}
+					continue
+				}
+
+				// or is it an "author" pubkey?
+				if a.PubKey != nostr.ZeroPK {
+					if authorPubKey != nostr.ZeroPK {
+						return fmt.Errorf("multiple author pubkeys provided")
+					}
+					authorPubKey = a.PubKey
+				}
+			}
 			if len(tags) > 0 {
 				for _, tag := range tags {
 					evt.Tags = append(evt.Tags, tag)
 				}
 				mustRehashAndResign = true
 			}
+			if authorPubKey != nostr.ZeroPK {
+				evt.PubKey = authorPubKey
+			}
 
 			if c.IsSet("created-at") {
 				evt.CreatedAt = getNaturalDate(c, "created-at")
@@ -246,7 +303,7 @@ example:
 				mustRehashAndResign = true
 			}
 
-			if c.IsSet("musig") || c.IsSet("sec") || c.IsSet("prompt-sec") {
+			if c.IsSet("musig") || c.Bool("force-sign") {
 				mustRehashAndResign = true
 			}
 
@@ -261,7 +318,7 @@ example:
 					if err != nil {
 						return err
 					}
-				} else {
+				} else if evt.PubKey == nostr.ZeroPK {
 					evt.PubKey, _ = kr.GetPublicKey(ctx)
 				}
 
@@ -272,7 +329,13 @@ example:
 				mustRehashAndResign = true
 			}
 
-			if evt.Sig == [64]byte{} || mustRehashAndResign {
+			if c.Bool("no-sign") {
+				if evt.PubKey == nostr.ZeroPK {
+					return fmt.Errorf("--no-sign requires a pubkey in the event or via --author")
+				}
+				evt.ID = nostr.ZeroID
+				evt.Sig = [64]byte{}
+			} else if evt.Sig == [64]byte{} || mustRehashAndResign {
 				if numSigners := c.Uint("musig"); numSigners > 1 {
 					// must do musig
 					pubkeys := c.StringSlice("musig-pubkey")
@@ -297,6 +360,42 @@ example:
 				}
 			}
 
+			var relays []*nostr.Relay
+			if len(relayUrls) > 0 || c.Bool("outbox") {
+				if c.Bool("outbox") {
+					if evt.PubKey != nostr.ZeroPK {
+						relayUrls = nostr.AppendUnique(relayUrls, sys.FetchWriteRelays(ctx, evt.PubKey)...)
+					}
+
+					seenPubkeys := make(map[nostr.PubKey]struct{}, len(evt.Tags))
+					for _, tag := range evt.Tags {
+						if len(tag) < 2 || (tag[0] != "p" && tag[0] != "P") {
+							continue
+						}
+						pk, err := nostr.PubKeyFromHex(tag[1])
+						if err != nil {
+							continue
+						}
+						if _, ok := seenPubkeys[pk]; ok {
+							continue
+						}
+						seenPubkeys[pk] = struct{}{}
+						relayUrls = nostr.AppendUnique(relayUrls, sys.FetchInboxRelays(ctx, pk, 15)...)
+					}
+				}
+
+				if len(relayUrls) > 0 {
+					sys.Pool.AuthRequiredHandler = func(ctx context.Context, authEvent *nostr.Event) error {
+						return authSigner(ctx, c, func(s string, args ...any) {}, authEvent)
+					}
+					relays = connectToAllRelays(ctx, c, relayUrls, nil)
+					if len(relays) == 0 {
+						log("failed to connect to any of the given relays.\n")
+						os.Exit(3)
+					}
+				}
+			}
+
 			// print event as json
 			var result string
 			if c.Bool("envelope") {
@@ -333,7 +432,8 @@ func publishFlow(ctx context.Context, c *cli.Command, kr nostr.Signer, evt nostr
 		if c.Bool("confirm") {
 			relaysStr := make([]string, len(relays))
 			for i, r := range relays {
-				relaysStr[i] = strings.ToLower(strings.Split(r.URL, "://")[1])
+				_, after, _ := strings.Cut(r.URL, "://")
+				relaysStr[i] = strings.ToLower(after)
 			}
 			time.Sleep(time.Millisecond * 10)
 			if !askConfirmation("publish to [ " + strings.Join(relaysStr, " ") + " ]? ") {

fetch.go

@@ -3,11 +3,14 @@ package main
 import (
 	"context"
 	"fmt"
+	"strings"
 
 	"fiatjaf.com/nostr"
 	"fiatjaf.com/nostr/nip05"
 	"fiatjaf.com/nostr/nip19"
+	"fiatjaf.com/nostr/nip42"
 	"fiatjaf.com/nostr/sdk/hints"
+	"github.com/fatih/color"
 	"github.com/urfave/cli/v3"
 )
 
@@ -18,12 +21,18 @@ var fetch = &cli.Command{
         nak fetch nevent1qqsxrwm0hd3s3fddh4jc2574z3xzufq6qwuyz2rvv3n087zvym3dpaqprpmhxue69uhhqatzd35kxtnjv4kxz7tfdenju6t0xpnej4
         echo npub1h8spmtw9m2huyv6v2j2qd5zv956z2zdugl6mgx02f2upffwpm3nqv0j4ps | nak fetch --relay wss://relay.nostr.band`,
 	DisableSliceFlagSeparator: true,
-	Flags: append(reqFilterFlags,
-		&cli.StringSliceFlag{
-			Name:    "relay",
-			Aliases: []string{"r"},
-			Usage:   "also use these relays to fetch from",
-		},
+	Flags: append(defaultKeyFlags,
+		append(reqFilterFlags,
+			&cli.StringSliceFlag{
+				Name:    "relay",
+				Aliases: []string{"r"},
+				Usage:   "also use these relays to fetch from",
+			},
+			&cli.BoolFlag{
+				Name:  "auth",
+				Usage: "always perform nip42 \"AUTH\" when facing an \"auth-required: \" rejection and try again",
+			},
+		)...,
 	),
 	ArgsUsage: "[nip05_or_nip19_code]",
 	Action: func(ctx context.Context, c *cli.Command) error {
@@ -106,11 +115,30 @@ var fetch = &cli.Command{
 				continue
 			}
 
+			sys.Pool.AuthRequiredHandler = func(ctx context.Context, authEvent *nostr.Event) error {
+				return authSigner(ctx, c, func(s string, args ...any) {
+					if strings.HasPrefix(s, "authenticating as") {
+						cleanUrl, _ := strings.CutPrefix(
+							nip42.GetRelayURLFromAuthEvent(*authEvent),
+							"wss://",
+						)
+						s = "authenticating to " + color.CyanString(cleanUrl) + " as" + s[len("authenticating as"):]
+					}
+					log(s+"\n", args...)
+				}, authEvent)
+			}
+
+			found := false
 			for ie := range sys.Pool.FetchMany(ctx, relays, filter, nostr.SubscriptionOptions{
 				Label: "nak-fetch",
 			}) {
+				found = true
 				stdout(ie.Event)
 			}
+
+			if !found {
+				ctx = lineProcessingError(ctx, "no events found for %s", code)
+			}
 		}
 
 		exitIfLineProcessingError(ctx)

filter.go

@@ -9,7 +9,7 @@ import (
 	"github.com/urfave/cli/v3"
 )
 
-var filter = &cli.Command{
+var filterCmd = &cli.Command{
 	Name:  "filter",
 	Usage: "applies an event filter to an event to see if it matches.",
 	Description: `
@@ -19,8 +19,13 @@ example:
 		nak filter '{"kind": 1, "content": "hello"}' '{"kinds": [1]}' -k 0
 `,
 	DisableSliceFlagSeparator: true,
-	Flags:                     reqFilterFlags,
-	ArgsUsage:                 "[event_json] [base_filter_json]",
+	Flags: append(append([]cli.Flag{}, reqFilterFlags...),
+		&cli.StringFlag{
+			Name:  "jq",
+			Usage: "filter matching events with jq expression",
+		},
+	),
+	ArgsUsage: "[event_json] [base_filter_json]",
 	Action: func(ctx context.Context, c *cli.Command) error {
 		args := c.Args().Slice()
 
@@ -54,6 +59,11 @@ example:
 			return err
 		}
 
+		jq, err := jqPrepare(c.String("jq"))
+		if err != nil {
+			return err
+		}
+
 		// if there is no stdin we'll still get an empty object here
 		for evtj := range getJsonsOrBlank() {
 			var evt nostr.Event
@@ -83,7 +93,20 @@ example:
 			}
 
 			if baseFilter.Matches(evt) {
-				stdout(evt)
+				var out string
+				if jq == nil {
+					out = evt.String()
+				} else {
+					v, matches, err := jq(evt)
+					if err != nil {
+						return fmt.Errorf("jq filter failed: %w", err)
+					}
+					if !matches {
+						continue
+					}
+					out, _ = json.MarshalToString(v)
+				}
+				stdout(out)
 			} else {
 				logverbose("event %s didn't match %s", evt, baseFilter)
 			}

flags.go

@@ -11,6 +11,62 @@ import (
 	"github.com/urfave/cli/v3"
 )
 
+type (
+	BoolIntFlag = cli.FlagBase[int, struct{}, boolIntValue]
+)
+
+type boolIntValue struct {
+	int            int
+	defaultWhenSet int
+	hasDefault     bool
+	hasBeenSet     bool
+}
+
+var _ cli.ValueCreator[int, struct{}] = boolIntValue{}
+
+func (t boolIntValue) Create(val int, p *int, c struct{}) cli.Value {
+	*p = val
+
+	return &boolIntValue{
+		defaultWhenSet: val,
+		hasDefault:     true,
+	}
+}
+
+func (t boolIntValue) IsBoolFlag() bool {
+	return true
+}
+
+func (t boolIntValue) ToString(b int) string { return "<<>>" }
+
+func (t *boolIntValue) Set(value string) error {
+	t.hasBeenSet = true
+	if value == "true" {
+		if t.hasDefault {
+			t.int = t.defaultWhenSet
+		} else {
+			t.int = 1
+		}
+		return nil
+	} else {
+		var err error
+		t.int, err = strconv.Atoi(value)
+		return err
+	}
+}
+
+func (t *boolIntValue) String() string { return fmt.Sprintf("%#v", t.int) }
+func (t *boolIntValue) Value() int     { return t.int }
+func (t *boolIntValue) Get() any       { return t.int }
+
+func getBoolInt(cmd *cli.Command, name string) int {
+	return cmd.Value(name).(int)
+}
+
+//
+//
+//
+
 type NaturalTimeFlag = cli.FlagBase[nostr.Timestamp, struct{}, naturalTimeValue]
 
 type naturalTimeValue struct {
@@ -49,10 +105,10 @@ func (t *naturalTimeValue) Set(value string) error {
 			DefaultTimezone: time.Local,
 			CurrentTime:     time.Now(),
 		}, value)
-		ts = date.Time
 		if err != nil {
 			return err
 		}
+		ts = date.Time
 	}
 
 	if t.timestamp != nil {
@@ -96,8 +152,8 @@ func (t pubkeyValue) Create(val nostr.PubKey, p *nostr.PubKey, c struct{}) cli.V
 func (t pubkeyValue) ToString(b nostr.PubKey) string { return t.pubkey.String() }
 
 func (t *pubkeyValue) Set(value string) error {
-	pk, err := nostr.PubKeyFromHex(value)
-	t.pubkey = pk
+	pubkey, err := parsePubKey(value)
+	t.pubkey = pubkey
 	t.hasBeenSet = true
 	return err
 }
@@ -127,6 +183,66 @@ func getPubKeySlice(cmd *cli.Command, name string) []nostr.PubKey {
 //
 //
 
+type PubKeyOrAddress struct {
+	PubKey nostr.PubKey
+	Addr   *nostr.EntityPointer
+}
+
+type (
+	pubKeyOrAddressValue struct {
+		value      PubKeyOrAddress
+		hasBeenSet bool
+	}
+	pubKeyOrAddressSlice = cli.SliceBase[PubKeyOrAddress, struct{}, pubKeyOrAddressValue]
+	PubKeyOrAddressFlag  = cli.FlagBase[[]PubKeyOrAddress, struct{}, pubKeyOrAddressSlice]
+)
+
+var _ cli.ValueCreator[PubKeyOrAddress, struct{}] = pubKeyOrAddressValue{}
+
+func (t pubKeyOrAddressValue) Create(val PubKeyOrAddress, p *PubKeyOrAddress, c struct{}) cli.Value {
+	*p = val
+	return &pubKeyOrAddressValue{
+		value: val,
+	}
+}
+
+func (t pubKeyOrAddressValue) ToString(b PubKeyOrAddress) string {
+	if b.Addr != nil {
+		return b.Addr.AsTagReference()
+	}
+	return b.PubKey.String()
+}
+
+func (t *pubKeyOrAddressValue) Set(value string) error {
+	pubkey, err1 := parsePubKey(value)
+	if err1 == nil {
+		t.value = PubKeyOrAddress{PubKey: pubkey}
+		t.hasBeenSet = true
+		return nil
+	}
+
+	addr, err2 := nostr.ParseAddrString(value)
+	if err2 == nil {
+		t.value = PubKeyOrAddress{Addr: &addr}
+		t.hasBeenSet = true
+		return nil
+	}
+
+	return fmt.Errorf("value is neither a pubkey or an address: %w; %w", err1, err2)
+}
+
+func (t *pubKeyOrAddressValue) String() string         { return fmt.Sprintf("%#v", t.value) }
+func (t *pubKeyOrAddressValue) Value() PubKeyOrAddress { return t.value }
+func (t *pubKeyOrAddressValue) Get() any               { return t.value }
+
+func getPubKeyOrAddressSlice(cmd *cli.Command, name string) []PubKeyOrAddress {
+	return cmd.Value(name).([]PubKeyOrAddress)
+}
+
+//
+//
+//
+
 type (
 	IDFlag = cli.FlagBase[nostr.ID, struct{}, idValue]
 )
@@ -147,8 +263,8 @@ func (t idValue) Create(val nostr.ID, p *nostr.ID, c struct{}) cli.Value {
 func (t idValue) ToString(b nostr.ID) string { return t.id.String() }
 
 func (t *idValue) Set(value string) error {
-	pk, err := nostr.IDFromHex(value)
-	t.id = pk
+	id, err := parseEventID(value)
+	t.id = id
 	t.hasBeenSet = true
 	return err
 }

fs.go

@@ -1,4 +1,4 @@
-//go:build !windows && !openbsd
+//go:build !windows && !openbsd && !cgofuse
 
 package main
 

fs_cgo.go

@@ -0,0 +1,118 @@
+//go:build cgofuse && !windows && !openbsd
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/keyer"
+	"github.com/fatih/color"
+	nostrfs "github.com/fiatjaf/nak/nostrfs_cgo"
+	"github.com/urfave/cli/v3"
+	"github.com/winfsp/cgofuse/fuse"
+)
+
+var fsCmd = &cli.Command{
+	Name:        "fs",
+	Usage:       "mount a FUSE filesystem that exposes Nostr events as files.",
+	Description: `(experimental)`,
+	ArgsUsage:   "<mountpoint>",
+	Flags: append(defaultKeyFlags,
+		&PubKeyFlag{
+			Name:  "pubkey",
+			Usage: "public key from where to to prepopulate directories",
+		},
+		&cli.DurationFlag{
+			Name:  "auto-publish-notes",
+			Usage: "delay after which new notes will be auto-published, set to -1 to not publish.",
+			Value: time.Second * 30,
+		},
+		&cli.DurationFlag{
+			Name:        "auto-publish-articles",
+			Usage:       "delay after which edited articles will be auto-published.",
+			Value:       time.Hour * 24 * 365 * 2,
+			DefaultText: "basically infinite",
+		},
+	),
+	DisableSliceFlagSeparator: true,
+	Action: func(ctx context.Context, c *cli.Command) error {
+		mountpoint := c.Args().First()
+		if mountpoint == "" {
+			return fmt.Errorf("must be called with a directory path to serve as the mountpoint as an argument")
+		}
+
+		var kr nostr.User
+		if signer, _, err := gatherKeyerFromArguments(ctx, c); err == nil {
+			kr = signer
+		} else {
+			kr = keyer.NewReadOnlyUser(getPubKey(c, "pubkey"))
+		}
+
+		apnt := c.Duration("auto-publish-notes")
+		if apnt < 0 {
+			apnt = time.Hour * 24 * 365 * 3
+		}
+		apat := c.Duration("auto-publish-articles")
+		if apat < 0 {
+			apat = time.Hour * 24 * 365 * 3
+		}
+
+		root := nostrfs.NewNostrRoot(
+			context.WithValue(
+				context.WithValue(
+					ctx,
+					"log", log,
+				),
+				"logverbose", logverbose,
+			),
+			sys,
+			kr,
+			mountpoint,
+			nostrfs.Options{
+				AutoPublishNotesTimeout:    apnt,
+				AutoPublishArticlesTimeout: apat,
+			},
+		)
+
+		// create the server
+		log("- mounting at %s... ", color.HiCyanString(mountpoint))
+
+		// create cgofuse host
+		host := fuse.NewFileSystemHost(root)
+		host.SetCapReaddirPlus(true)
+		host.SetUseIno(true)
+
+		// mount the filesystem
+		mountArgs := []string{"-s", mountpoint}
+		if isVerbose {
+			mountArgs = append([]string{"-d"}, mountArgs...)
+		}
+
+		go func() {
+			host.Mount("", mountArgs)
+		}()
+
+		log("ok.\n")
+
+		// setup signal handling for clean unmount
+		ch := make(chan os.Signal, 1)
+		chErr := make(chan error)
+		signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
+		go func() {
+			<-ch
+			log("- unmounting... ")
+			// cgofuse doesn't have explicit unmount, it unmounts on process exit
+			log("ok\n")
+			chErr <- nil
+		}()
+
+		// wait for signals
+		return <-chErr
+	},
+}

fs_other.go

@@ -1,4 +1,4 @@
-//go:build windows || openbsd
+//go:build openbsd
 
 package main
 
@@ -15,6 +15,6 @@ var fsCmd = &cli.Command{
 	Description:               `doesn't work on Windows and OpenBSD.`,
 	DisableSliceFlagSeparator: true,
 	Action: func(ctx context.Context, c *cli.Command) error {
-		return fmt.Errorf("this doesn't work on Windows and OpenBSD.")
+		return fmt.Errorf("this doesn't work on OpenBSD.")
 	},
 }

fs_windows.go

@@ -0,0 +1,140 @@
+//go:build windows
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+	"time"
+
+	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/keyer"
+	"github.com/fatih/color"
+	nostrfs "github.com/fiatjaf/nak/nostrfs_cgo"
+	"github.com/urfave/cli/v3"
+	"github.com/winfsp/cgofuse/fuse"
+)
+
+var fsCmd = &cli.Command{
+	Name:        "fs",
+	Usage:       "mount a FUSE filesystem that exposes Nostr events as files.",
+	Description: `(experimental)`,
+	ArgsUsage:   "<mountpoint>",
+	Flags: append(defaultKeyFlags,
+		&PubKeyFlag{
+			Name:  "pubkey",
+			Usage: "public key from where to to prepopulate directories",
+		},
+		&cli.DurationFlag{
+			Name:  "auto-publish-notes",
+			Usage: "delay after which new notes will be auto-published, set to -1 to not publish.",
+			Value: time.Second * 30,
+		},
+		&cli.DurationFlag{
+			Name:        "auto-publish-articles",
+			Usage:       "delay after which edited articles will be auto-published.",
+			Value:       time.Hour * 24 * 365 * 2,
+			DefaultText: "basically infinite",
+		},
+	),
+	DisableSliceFlagSeparator: true,
+	Action: func(ctx context.Context, c *cli.Command) error {
+		mountpoint := c.Args().First()
+		if mountpoint == "" {
+			return fmt.Errorf("must be called with a directory path to serve as the mountpoint as an argument")
+		}
+
+		var kr nostr.User
+		if signer, _, err := gatherKeyerFromArguments(ctx, c); err == nil {
+			kr = signer
+		} else {
+			kr = keyer.NewReadOnlyUser(getPubKey(c, "pubkey"))
+		}
+
+		apnt := c.Duration("auto-publish-notes")
+		if apnt < 0 {
+			apnt = time.Hour * 24 * 365 * 3
+		}
+		apat := c.Duration("auto-publish-articles")
+		if apat < 0 {
+			apat = time.Hour * 24 * 365 * 3
+		}
+
+		root := nostrfs.NewNostrRoot(
+			context.WithValue(
+				context.WithValue(
+					ctx,
+					"log", log,
+				),
+				"logverbose", logverbose,
+			),
+			sys,
+			kr,
+			mountpoint,
+			nostrfs.Options{
+				AutoPublishNotesTimeout:    apnt,
+				AutoPublishArticlesTimeout: apat,
+			},
+		)
+
+		// create the server
+		log("- mounting at %s... ", color.HiCyanString(mountpoint))
+
+		// create cgofuse host
+		host := fuse.NewFileSystemHost(root)
+		host.SetCapReaddirPlus(true)
+		host.SetUseIno(true)
+
+		// mount the filesystem - Windows/WinFsp version
+		// based on rclone cmount implementation
+		mountArgs := []string{
+			"-o", "uid=-1",
+			"-o", "gid=-1",
+			"--FileSystemName=nak",
+		}
+
+		// check if mountpoint is a drive letter or directory
+		isDriveLetter := len(mountpoint) == 2 && mountpoint[1] == ':'
+
+		if !isDriveLetter {
+			// winFsp primarily supports drive letters on Windows
+			// directory mounting may not work reliably
+			log("WARNING: directory mounting may not work on Windows (WinFsp limitation)\n")
+			log("         consider using a drive letter instead (e.g., 'nak fs Z:')\n")
+
+			// for directory mounts, follow rclone's approach:
+			// 1. check that mountpoint doesn't already exist
+			if _, err := os.Stat(mountpoint); err == nil {
+				return fmt.Errorf("mountpoint path already exists: %s (must not exist before mounting)", mountpoint)
+			} else if !os.IsNotExist(err) {
+				return fmt.Errorf("failed to check mountpoint: %w", err)
+			}
+
+			// 2. check that parent directory exists
+			parent := filepath.Join(mountpoint, "..")
+			if _, err := os.Stat(parent); err != nil {
+				if os.IsNotExist(err) {
+					return fmt.Errorf("parent of mountpoint directory does not exist: %s", parent)
+				}
+				return fmt.Errorf("failed to check parent directory: %w", err)
+			}
+
+			// 3. use network mode for directory mounts
+			mountArgs = append(mountArgs, "--VolumePrefix=\\nak\\"+filepath.Base(mountpoint))
+		}
+
+		if isVerbose {
+			mountArgs = append(mountArgs, "-o", "debug")
+		}
+		mountArgs = append(mountArgs, mountpoint)
+
+		log("ok.\n")
+
+		if !host.Mount("", mountArgs) {
+			return fmt.Errorf("failed to mount filesystem")
+		}
+		return nil
+	},
+}

gift.go

@@ -0,0 +1,372 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"math/rand"
+	"os"
+	"path/filepath"
+	"time"
+
+	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/keyer"
+	"fiatjaf.com/nostr/nip44"
+	"github.com/fatih/color"
+	"github.com/mailru/easyjson"
+	"github.com/urfave/cli/v3"
+)
+
+var gift = &cli.Command{
+	Name:  "gift",
+	Usage: "gift-wraps (or unwraps) an event according to NIP-59",
+	Description: `example:
+  nak event | nak gift wrap --sec <sec-a> -p <sec-b> | nak gift unwrap --sec <sec-b> --from <pub-a>
+
+a decoupled key (if it has been created or received with "nak dekey" previously) will be used by default.`,
+	DisableSliceFlagSeparator: true,
+	Flags:                     defaultKeyFlags,
+	Commands: []*cli.Command{
+		{
+			Name: "wrap",
+			Flags: []cli.Flag{
+				&PubKeyFlag{
+					Name:     "recipient-pubkey",
+					Aliases:  []string{"p", "tgt", "target", "pubkey", "to"},
+					Required: true,
+				},
+				&cli.BoolFlag{
+					Name:  "use-our-identity-key",
+					Usage: "Encrypt with the key given to --sec directly even when a decoupled key exists for the sender.",
+				},
+				&cli.BoolFlag{
+					Name:  "use-their-identity-key",
+					Usage: "Encrypt to the public key given as --recipient-pubkey directly even when a decoupled key exists for the receiver.",
+				},
+			},
+			Usage: "turns an event into a rumor (unsigned) then gift-wraps it to the recipient",
+			Description: `example:
+  nak event -c 'hello' | nak gift wrap --sec <my-secret-key> -p <target-public-key>`,
+			Action: func(ctx context.Context, c *cli.Command) error {
+				kr, _, err := gatherKeyerFromArguments(ctx, c)
+				if err != nil {
+					return err
+				}
+
+				// get sender pubkey (ourselves)
+				sender, err := kr.GetPublicKey(ctx)
+				if err != nil {
+					return fmt.Errorf("failed to get sender pubkey: %w", err)
+				}
+
+				var using bool
+
+				var cipher nostr.Cipher = kr
+				// use decoupled key if it exists
+				using = false
+				if !c.Bool("use-our-identity-key") {
+					configPath := c.String("config-path")
+					eSec, has, err := getDecoupledEncryptionSecretKey(ctx, configPath, sender)
+					if has {
+						if err != nil {
+							return fmt.Errorf("our decoupled encryption key exists, but we failed to get it: %w; call `nak dekey` to attempt a fix or call this again with --encrypt-with-our-identity-key to bypass", err)
+						}
+						cipher = keyer.NewPlainKeySigner(eSec)
+						log("- using our decoupled encryption key %s\n", color.CyanString(eSec.Public().Hex()))
+						using = true
+					}
+				}
+				if !using {
+					log("- using our identity key %s\n", color.CyanString(sender.Hex()))
+				}
+
+				recipient := getPubKey(c, "recipient-pubkey")
+				using = false
+				if !c.Bool("use-their-identity-key") {
+					if theirEPub, exists := getDecoupledEncryptionPublicKey(ctx, recipient); exists {
+						recipient = theirEPub
+						using = true
+						log("- using their decoupled encryption public key %s\n", color.CyanString(theirEPub.Hex()))
+					}
+				}
+				if !using {
+					log("- using their identity public key %s\n", color.CyanString(recipient.Hex()))
+				}
+
+				// read event from stdin
+				for eventJSON := range getJsonsOrBlank() {
+					if eventJSON == "{}" {
+						continue
+					}
+
+					var originalEvent nostr.Event
+					if err := easyjson.Unmarshal([]byte(eventJSON), &originalEvent); err != nil {
+						return fmt.Errorf("invalid event JSON: %w", err)
+					}
+
+					// turn into rumor (unsigned event)
+					rumor := originalEvent
+					rumor.Sig = [64]byte{} // remove signature
+					rumor.PubKey = sender
+					rumor.ID = rumor.GetID() // compute ID
+
+					// create seal
+					rumorJSON, _ := easyjson.Marshal(rumor)
+					encryptedRumor, err := cipher.Encrypt(ctx, string(rumorJSON), recipient)
+					if err != nil {
+						return fmt.Errorf("failed to encrypt rumor: %w", err)
+					}
+					seal := &nostr.Event{
+						Kind:      13,
+						Content:   encryptedRumor,
+						PubKey:    sender,
+						CreatedAt: randomNow(),
+						Tags:      nostr.Tags{},
+					}
+					if err := kr.SignEvent(ctx, seal); err != nil {
+						return fmt.Errorf("failed to sign seal: %w", err)
+					}
+
+					// create gift wrap
+					ephemeral := nostr.Generate()
+					sealJSON, _ := easyjson.Marshal(seal)
+					convkey, err := nip44.GenerateConversationKey(recipient, ephemeral)
+					if err != nil {
+						return fmt.Errorf("failed to generate conversation key: %w", err)
+					}
+					encryptedSeal, err := nip44.Encrypt(string(sealJSON), convkey)
+					if err != nil {
+						return fmt.Errorf("failed to encrypt seal: %w", err)
+					}
+					wrap := &nostr.Event{
+						Kind:      1059,
+						Content:   encryptedSeal,
+						CreatedAt: randomNow(),
+						Tags:      nostr.Tags{{"p", recipient.Hex()}},
+					}
+					wrap.Sign(ephemeral)
+
+					// print the gift-wrap
+					wrapJSON, err := easyjson.Marshal(wrap)
+					if err != nil {
+						return fmt.Errorf("failed to marshal gift wrap: %w", err)
+					}
+					stdout(string(wrapJSON))
+				}
+
+				return nil
+			},
+		},
+		{
+			Name:  "unwrap",
+			Usage: "decrypts a gift-wrap event sent by the sender to us and exposes its internal rumor (unsigned event).",
+			Description: `example:
+  nak req -p <my-public-key> -k 1059 dmrelay.com | nak gift unwrap --sec <my-secret-key>`,
+			Action: func(ctx context.Context, c *cli.Command) error {
+				kr, _, err := gatherKeyerFromArguments(ctx, c)
+				if err != nil {
+					return err
+				}
+
+				// get receiver public key (ourselves)
+				receiver, err := kr.GetPublicKey(ctx)
+				if err != nil {
+					return err
+				}
+
+				ciphers := []nostr.Cipher{kr}
+				// use decoupled key if it exists
+				configPath := c.String("config-path")
+				eSec, has, err := getDecoupledEncryptionSecretKey(ctx, configPath, receiver)
+				if has {
+					if err != nil {
+						return fmt.Errorf("receiver's decoupled encryption key exists, but we failed to get it: %w; call `nak dekey` to attempt a fix or call this again with --use-direct to bypass", err)
+					}
+					ciphers = append(ciphers, kr)
+					ciphers[0] = keyer.NewPlainKeySigner(eSec) // pub decoupled key first
+				}
+
+				// read gift-wrapped event from stdin
+				for wrapJSON := range getJsonsOrBlank() {
+					if wrapJSON == "{}" {
+						continue
+					}
+
+					var wrap nostr.Event
+					if err := easyjson.Unmarshal([]byte(wrapJSON), &wrap); err != nil {
+						return fmt.Errorf("invalid gift wrap JSON: %w", err)
+					}
+
+					if wrap.Kind != 1059 {
+						return fmt.Errorf("not a gift wrap event (kind %d)", wrap.Kind)
+					}
+
+					// decrypt seal (in the process also find out if they encrypted it to our identity key or to our decoupled key)
+					var cipher nostr.Cipher
+					var seal nostr.Event
+
+					// try both the receiver identity key and decoupled key
+					err = nil
+					for c, potentialCipher := range ciphers {
+						switch c {
+						case 0:
+							log("- trying receiver's identity key %s\n", color.CyanString(receiver.Hex()))
+						case 1:
+							if eSec.Public() == nostr.ZeroPK {
+								continue
+							}
+							log("- trying receiver's decoupled encryption key %s\n", color.CyanString(eSec.Public().Hex()))
+						}
+
+						sealj, thisErr := potentialCipher.Decrypt(ctx, wrap.Content, wrap.PubKey)
+						if thisErr != nil {
+							err = thisErr
+							continue
+						}
+						if thisErr := easyjson.Unmarshal([]byte(sealj), &seal); thisErr != nil {
+							err = fmt.Errorf("invalid seal JSON: %w", thisErr)
+							continue
+						}
+
+						cipher = potentialCipher
+						break
+					}
+					if seal.ID == nostr.ZeroID && seal.PubKey == nostr.ZeroPK && seal.CreatedAt == 0 {
+						// if both ciphers failed above we'll reach here
+						return fmt.Errorf("failed to decrypt seal: %w", err)
+					}
+
+					if seal.Kind != 13 {
+						return fmt.Errorf("not a seal event (kind %d)", seal.Kind)
+					}
+
+					if !seal.VerifySignature() {
+						return fmt.Errorf("seal signature is invalid")
+					}
+
+					senderEncryptionPublicKeys := []nostr.PubKey{seal.PubKey}
+					if theirEPub, exists := getDecoupledEncryptionPublicKey(ctx, seal.PubKey); exists {
+						senderEncryptionPublicKeys = append(senderEncryptionPublicKeys, seal.PubKey)
+						senderEncryptionPublicKeys[0] = theirEPub // put decoupled key first
+					}
+
+					// decrypt rumor (at this point we know what cipher is the one they encrypted to)
+					// (but we don't know if they have encrypted with their identity key or their decoupled key, so try both)
+					var rumor nostr.Event
+					err = nil
+					for s, senderEncryptionPublicKey := range senderEncryptionPublicKeys {
+						if senderEncryptionPublicKey == nostr.ZeroPK {
+							continue
+						}
+
+						switch s {
+						case 0:
+							log("- trying sender's identity public key %s\n", color.CyanString(senderEncryptionPublicKey.Hex()))
+						case 1:
+							log("- trying sender's decoupled encryption public key %s\n", color.CyanString(senderEncryptionPublicKey.Hex()))
+						}
+
+						rumorj, thisErr := cipher.Decrypt(ctx, seal.Content, senderEncryptionPublicKey)
+						if thisErr != nil {
+							err = fmt.Errorf("failed to decrypt rumor: %w", thisErr)
+							continue
+						}
+						if thisErr := easyjson.Unmarshal([]byte(rumorj), &rumor); thisErr != nil {
+							err = fmt.Errorf("invalid rumor JSON: %w", thisErr)
+							continue
+						}
+
+						break
+					}
+
+					if rumor.ID == nostr.ZeroID && rumor.PubKey == nostr.ZeroPK && rumor.CreatedAt == 0 {
+						return fmt.Errorf("failed to decrypt rumor: %w", err)
+					}
+
+					rumor.PubKey = seal.PubKey
+					rumor.ID = rumor.GetID()
+
+					// output the unwrapped event (rumor)
+					stdout(rumor.String())
+				}
+
+				return nil
+			},
+		},
+	},
+}
+
+func randomNow() nostr.Timestamp {
+	const twoDays = 2 * 24 * 60 * 60
+	now := time.Now().Unix()
+	randomOffset := rand.Int63n(twoDays)
+	return nostr.Timestamp(now - randomOffset)
+}
+
+func getDecoupledEncryptionSecretKey(ctx context.Context, configPath string, pubkey nostr.PubKey) (nostr.SecretKey, bool, error) {
+	relays := sys.FetchWriteRelays(ctx, pubkey)
+
+	keyAnnouncementResult := sys.Pool.FetchManyReplaceable(ctx, relays, nostr.Filter{
+		Kinds:   []nostr.Kind{10044},
+		Authors: []nostr.PubKey{pubkey},
+	}, nostr.SubscriptionOptions{Label: "nak-nip4e-gift"})
+
+	keyAnnouncementEvent, ok := keyAnnouncementResult.Load(nostr.ReplaceableKey{PubKey: pubkey, D: ""})
+	if ok {
+		var ePub nostr.PubKey
+
+		// get the pub from the tag
+		for _, tag := range keyAnnouncementEvent.Tags {
+			if len(tag) >= 2 && tag[0] == "n" {
+				ePub, _ = nostr.PubKeyFromHex(tag[1])
+				break
+			}
+		}
+		if ePub == nostr.ZeroPK {
+			return [32]byte{}, true, fmt.Errorf("got invalid kind:10044 event, no 'n' tag")
+		}
+
+		// check if we have the key
+		eKeyPath := filepath.Join(configPath, "dekey", "p", pubkey.Hex(), "e", ePub.Hex())
+		if data, err := os.ReadFile(eKeyPath); err == nil {
+			eSec, err := nostr.SecretKeyFromHex(string(data))
+			if err != nil {
+				return [32]byte{}, true, fmt.Errorf("invalid main key: %w", err)
+			}
+			if eSec.Public() != ePub {
+				return [32]byte{}, true, fmt.Errorf("stored decoupled encryption key is corrupted: %w", err)
+			}
+			return eSec, true, nil
+		}
+	}
+
+	return [32]byte{}, false, nil
+}
+
+func getDecoupledEncryptionPublicKey(ctx context.Context, pubkey nostr.PubKey) (nostr.PubKey, bool) {
+	relays := sys.FetchWriteRelays(ctx, pubkey)
+
+	keyAnnouncementResult := sys.Pool.FetchManyReplaceable(ctx, relays, nostr.Filter{
+		Kinds:   []nostr.Kind{10044},
+		Authors: []nostr.PubKey{pubkey},
+	}, nostr.SubscriptionOptions{Label: "nak-nip4e-gift"})
+
+	keyAnnouncementEvent, ok := keyAnnouncementResult.Load(nostr.ReplaceableKey{PubKey: pubkey, D: ""})
+	if ok {
+		var ePub nostr.PubKey
+
+		// get the pub from the tag
+		for _, tag := range keyAnnouncementEvent.Tags {
+			if len(tag) >= 2 && tag[0] == "n" {
+				ePub, _ = nostr.PubKeyFromHex(tag[1])
+				break
+			}
+		}
+		if ePub == nostr.ZeroPK {
+			return nostr.ZeroPK, false
+		}
+
+		return ePub, true
+	}
+
+	return nostr.ZeroPK, false
+}

go.mod

@@ -1,65 +1,98 @@
 module github.com/fiatjaf/nak
 
-go 1.24.1
+go 1.25
 
 require (
-	fiatjaf.com/lib v0.3.1
-	fiatjaf.com/nostr v0.0.0-20250907220143-b67e3092b02e
+	fiatjaf.com/nostr v0.0.0-20260602223326-015842e96d86
+	github.com/AlecAivazis/survey/v2 v2.3.7
 	github.com/bep/debounce v1.2.1
-	github.com/btcsuite/btcd/btcec/v2 v2.3.5
+	github.com/btcsuite/btcd/btcec/v2 v2.3.6
+	github.com/charmbracelet/glamour v0.10.0
 	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0
 	github.com/fatih/color v1.16.0
-	github.com/hanwen/go-fuse/v2 v2.7.2
 	github.com/json-iterator/go v1.1.12
 	github.com/liamg/magic v0.0.1
-	github.com/mailru/easyjson v0.9.0
+	github.com/mailru/easyjson v0.9.1
 	github.com/mark3labs/mcp-go v0.8.3
 	github.com/markusmobius/go-dateparser v1.2.3
 	github.com/mattn/go-isatty v0.0.20
-	github.com/mattn/go-tty v0.0.7
 	github.com/mdp/qrterminal/v3 v3.2.1
+	github.com/puzpuzpuz/xsync/v3 v3.5.1
 	github.com/stretchr/testify v1.10.0
 	github.com/urfave/cli/v3 v3.0.0-beta1
-	golang.org/x/exp v0.0.0-20250819193227-8b4c13bb791b
-	golang.org/x/sync v0.16.0
+	github.com/winfsp/cgofuse v1.6.0
+	golang.org/x/exp v0.0.0-20251113190631-e25ba8c21ef6
+	golang.org/x/sync v0.18.0
 	golang.org/x/term v0.32.0
 )
 
+require (
+	fiatjaf.com/lib v0.3.7
+	github.com/hanwen/go-fuse/v2 v2.9.0
+	github.com/itchyny/gojq v0.12.19
+	github.com/mattn/go-tty/v2 v2.0.0
+)
+
 require (
 	github.com/FastFilter/xorfilter v0.2.1 // indirect
 	github.com/ImVexed/fasturl v0.0.0-20230304231329-4e41488060f3 // indirect
+	github.com/PowerDNS/lmdb-go v1.9.3 // indirect
+	github.com/alecthomas/chroma/v2 v2.14.0 // indirect
 	github.com/andybalholm/brotli v1.1.1 // indirect
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/aymerick/douceur v0.2.0 // indirect
+	github.com/bluekeyes/go-gitdiff v0.7.1 // indirect
 	github.com/btcsuite/btcd v0.24.2 // indirect
 	github.com/btcsuite/btcd/btcutil v1.1.5 // indirect
 	github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect
+	github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834 // indirect
+	github.com/charmbracelet/x/ansi v0.8.0 // indirect
+	github.com/charmbracelet/x/cellbuf v0.0.13 // indirect
+	github.com/charmbracelet/x/exp/slice v0.0.0-20250327172914-2fdc97757edf // indirect
+	github.com/charmbracelet/x/term v0.2.1 // indirect
 	github.com/chzyer/logex v1.1.10 // indirect
 	github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 // indirect
+	github.com/clipperhouse/stringish v0.1.1 // indirect
+	github.com/clipperhouse/uax29/v2 v2.3.0 // indirect
 	github.com/coder/websocket v1.8.14 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/decred/dcrd/crypto/blake256 v1.1.0 // indirect
 	github.com/dgraph-io/ristretto/v2 v2.3.0 // indirect
+	github.com/dlclark/regexp2 v1.11.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/elliotchance/pie/v2 v2.7.0 // indirect
 	github.com/elnosh/gonuts v0.4.2 // indirect
 	github.com/fasthttp/websocket v1.5.12 // indirect
 	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
+	github.com/go-git/go-git/v5 v5.16.3 // indirect
 	github.com/google/uuid v1.6.0 // indirect
+	github.com/gorilla/css v1.0.1 // indirect
 	github.com/hablullah/go-hijri v1.0.2 // indirect
 	github.com/hablullah/go-juliandays v1.0.0 // indirect
+	github.com/itchyny/timefmt-go v0.1.8 // indirect
 	github.com/jalaali/go-jalaali v0.0.0-20210801064154-80525e88d958 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
+	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/klauspost/compress v1.18.0 // indirect
-	github.com/kylelemons/godebug v1.1.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/magefile/mage v1.14.0 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-runewidth v0.0.19 // indirect
+	github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b // indirect
+	github.com/microcosm-cc/bluemonday v1.0.27 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/muesli/reflow v0.3.0 // indirect
+	github.com/muesli/termenv v0.16.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/puzpuzpuz/xsync/v3 v3.5.1 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/rs/cors v1.11.1 // indirect
 	github.com/savsgio/gotils v0.0.0-20240704082632-aef3928b8a38 // indirect
+	github.com/templexxx/cpu v0.0.1 // indirect
+	github.com/templexxx/xhex v0.0.0-20200614015412-aed53437177b // indirect
 	github.com/tetratelabs/wazero v1.8.0 // indirect
 	github.com/tidwall/gjson v1.18.0 // indirect
 	github.com/tidwall/match v1.2.0 // indirect
@@ -68,10 +101,12 @@ require (
 	github.com/valyala/fasthttp v1.59.0 // indirect
 	github.com/wasilibs/go-re2 v1.3.0 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
-	go.etcd.io/bbolt v1.4.2 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	github.com/yuin/goldmark v1.7.8 // indirect
+	github.com/yuin/goldmark-emoji v1.0.5 // indirect
 	golang.org/x/crypto v0.39.0 // indirect
 	golang.org/x/net v0.41.0 // indirect
-	golang.org/x/sys v0.35.0 // indirect
+	golang.org/x/sys v0.38.0 // indirect
 	golang.org/x/text v0.26.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	rsc.io/qr v0.2.0 // indirect

go.sum

@@ -1,18 +1,36 @@
-fiatjaf.com/lib v0.3.1 h1:/oFQwNtFRfV+ukmOCxfBEAuayoLwXp4wu2/fz5iHpwA=
-fiatjaf.com/lib v0.3.1/go.mod h1:Ycqq3+mJ9jAWu7XjbQI1cVr+OFgnHn79dQR5oTII47g=
-fiatjaf.com/nostr v0.0.0-20250907220143-b67e3092b02e h1:SnM2u7nAlK5rUFJsQYOdTUOAbz0B9Z9ihq95akFHdOE=
-fiatjaf.com/nostr v0.0.0-20250907220143-b67e3092b02e/go.mod h1:RHPNZ7jtRi7dZf590g1urHYhWXnbetvd1oByNbAlgKE=
+fiatjaf.com/lib v0.3.7 h1:mXZOn7NrUcjSdy4oNvwQyAmes7Ueb+Zr5hjqMIe2dxI=
+fiatjaf.com/lib v0.3.7/go.mod h1:UlHaZvPHj25PtKLh9GjZkUHRmQ2xZ8Jkoa4VRaLeeQ8=
+fiatjaf.com/nostr v0.0.0-20260602223326-015842e96d86 h1:p3HnX1UDT/CfiMvTc4yTcxHQm08ri7DM32P1uKkFNKg=
+fiatjaf.com/nostr v0.0.0-20260602223326-015842e96d86/go.mod h1:b1EIUDnd133Ie8Pg8O/biaKdFyCMz28aD4n64g1GqvM=
+github.com/AlecAivazis/survey/v2 v2.3.7 h1:6I/u8FvytdGsgonrYsVn2t8t4QiRnh6QSTqkkhIiSjQ=
+github.com/AlecAivazis/survey/v2 v2.3.7/go.mod h1:xUTIdE4KCOIjsBAE1JYsUPoCqYdZ1reCfTwbto0Fduo=
 github.com/FastFilter/xorfilter v0.2.1 h1:lbdeLG9BdpquK64ZsleBS8B4xO/QW1IM0gMzF7KaBKc=
 github.com/FastFilter/xorfilter v0.2.1/go.mod h1:aumvdkhscz6YBZF9ZA/6O4fIoNod4YR50kIVGGZ7l9I=
 github.com/ImVexed/fasturl v0.0.0-20230304231329-4e41488060f3 h1:ClzzXMDDuUbWfNNZqGeYq4PnYOlwlOVIvSyNaIy0ykg=
 github.com/ImVexed/fasturl v0.0.0-20230304231329-4e41488060f3/go.mod h1:we0YA5CsBbH5+/NUzC/AlMmxaDtWlXeNsqrwXjTzmzA=
+github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2 h1:+vx7roKuyA63nhn5WAunQHLTznkw5W8b1Xc0dNjp83s=
+github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2/go.mod h1:HBCaDeC1lPdgDeDbhX8XFpy1jqjK0IBG8W5K+xYqA0w=
 github.com/PowerDNS/lmdb-go v1.9.3 h1:AUMY2pZT8WRpkEv39I9Id3MuoHd+NZbTVpNhruVkPTg=
 github.com/PowerDNS/lmdb-go v1.9.3/go.mod h1:TE0l+EZK8Z1B4dx070ZxkWTlp8RG1mjN0/+FkFRQMtU=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
+github.com/alecthomas/assert/v2 v2.7.0 h1:QtqSACNS3tF7oasA8CU6A6sXZSBDqnm7RfpLl9bZqbE=
+github.com/alecthomas/assert/v2 v2.7.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
+github.com/alecthomas/chroma/v2 v2.14.0 h1:R3+wzpnUArGcQz7fCETQBzO5n9IMNi13iIs46aU4V9E=
+github.com/alecthomas/chroma/v2 v2.14.0/go.mod h1:QolEbTfmUHIMVpBqxeDnNBj2uoeI4EbYP4i6n68SG4I=
+github.com/alecthomas/repr v0.4.0 h1:GhI2A8MACjfegCPVq9f1FLvIBS+DrQ2KQBFZP1iFzXc=
+github.com/alecthomas/repr v0.4.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/andybalholm/brotli v1.1.1 h1:PR2pgnyFznKEugtsUo0xLdDop5SKXd5Qf5ysW+7XdTA=
 github.com/andybalholm/brotli v1.1.1/go.mod h1:05ib4cKhjx3OQYUY22hTVd34Bc8upXjOLL2rKwwZBoA=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
+github.com/aymanbagabas/go-udiff v0.2.0 h1:TK0fH4MteXUDspT88n8CKzvK0X9O2xu9yQjWpi6yML8=
+github.com/aymanbagabas/go-udiff v0.2.0/go.mod h1:RE4Ex0qsGkTAJoQdQQCA0uG+nAzJO/pI/QwceO5fgrA=
+github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
+github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
 github.com/bep/debounce v1.2.1 h1:v67fRdBA9UQu2NhLFXrSg0Brw7CexQekrBwDMM8bzeY=
 github.com/bep/debounce v1.2.1/go.mod h1:H8yggRPQKLUhUoqrJC1bO2xNya7vanpDl7xR3ISbCJ0=
+github.com/bluekeyes/go-gitdiff v0.7.1 h1:graP4ElLRshr8ecu0UtqfNTCHrtSyZd3DABQm/DWesQ=
+github.com/bluekeyes/go-gitdiff v0.7.1/go.mod h1:QpfYYO1E0fTVHVZAZKiRjtSGY9823iCdvGXBcEzHGbM=
 github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
 github.com/btcsuite/btcd v0.22.0-beta.0.20220111032746-97732e52810c/go.mod h1:tjmYdS6MLJ5/s0Fj4DbLgSbDHbEqLJrtnHecBFkdz5M=
 github.com/btcsuite/btcd v0.23.5-0.20231215221805-96c9fd8078fd/go.mod h1:nm3Bko6zh6bWP60UxwoT5LzdGJsQJaPo6HjduXq9p6A=
@@ -20,8 +38,8 @@ github.com/btcsuite/btcd v0.24.2 h1:aLmxPguqxza+4ag8R1I2nnJjSu2iFn/kqtHTIImswcY=
 github.com/btcsuite/btcd v0.24.2/go.mod h1:5C8ChTkl5ejr3WHj8tkQSCmydiMEPB0ZhQhehpq7Dgg=
 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 v2.3.5 h1:dpAlnAwmT1yIBm3exhT1/8iUSD98RDJM5vqJVQDQLiU=
-github.com/btcsuite/btcd/btcec/v2 v2.3.5/go.mod h1:m22FrOAiuxl/tht9wIqAoGHcbnCCaPWyauO8y2LGGtQ=
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@@ -170,6 +251,10 @@ github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
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 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=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
@@ -243,8 +355,9 @@ google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQ
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

helpers.go

@@ -7,17 +7,19 @@ import (
 	"fmt"
 	"iter"
 	"math/rand"
-	"net/http"
-	"net/textproto"
 	"net/url"
 	"os"
+	"os/exec"
+	"path/filepath"
 	"runtime"
 	"slices"
 	"strings"
 	"sync"
 	"time"
+	"unicode"
 
 	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/nip05"
 	"fiatjaf.com/nostr/nip19"
 	"fiatjaf.com/nostr/nip42"
 	"fiatjaf.com/nostr/sdk"
@@ -25,7 +27,7 @@ import (
 	"github.com/fatih/color"
 	jsoniter "github.com/json-iterator/go"
 	"github.com/mattn/go-isatty"
-	"github.com/mattn/go-tty"
+	"github.com/mattn/go-tty/v2"
 	"github.com/urfave/cli/v3"
 	"golang.org/x/term"
 )
@@ -45,8 +47,14 @@ var (
 )
 
 func isPiped() bool {
-	stat, _ := os.Stdin.Stat()
-	return stat.Mode()&os.ModeCharDevice == 0
+	stat, err := os.Stdin.Stat()
+	if err != nil {
+		panic(err)
+	}
+
+	mode := stat.Mode()
+	is := mode&os.ModeCharDevice == 0
+	return is
 }
 
 func getJsonsOrBlank() iter.Seq[string] {
@@ -54,6 +62,7 @@ func getJsonsOrBlank() iter.Seq[string] {
 
 	var finalJsonErr error
 	return func(yield func(string) bool) {
+		stopped := false
 		hasStdin := writeStdinLinesOrNothing(func(stdinLine string) bool {
 			// we're look for an event, but it may be in multiple lines, so if json parsing fails
 			// we'll try the next line until we're successful
@@ -68,6 +77,7 @@ func getJsonsOrBlank() iter.Seq[string] {
 			finalJsonErr = nil
 
 			if !yield(stdinEvent) {
+				stopped = true
 				return false
 			}
 
@@ -75,8 +85,14 @@ func getJsonsOrBlank() iter.Seq[string] {
 			return true
 		})
 
+		if stopped {
+			return
+		}
+
 		if !hasStdin {
-			yield("{}")
+			if !yield("{}") {
+				return
+			}
 		}
 
 		if finalJsonErr != nil {
@@ -87,15 +103,23 @@ func getJsonsOrBlank() iter.Seq[string] {
 
 func getStdinLinesOrBlank() iter.Seq[string] {
 	return func(yield func(string) bool) {
+		stopped := false
 		hasStdin := writeStdinLinesOrNothing(func(stdinLine string) bool {
 			if !yield(stdinLine) {
+				stopped = true
 				return false
 			}
 			return true
 		})
 
+		if stopped {
+			return
+		}
+
 		if !hasStdin {
-			yield("")
+			if !yield("") {
+				return
+			}
 		}
 	}
 }
@@ -162,23 +186,17 @@ func connectToAllRelays(
 	c *cli.Command,
 	relayUrls []string,
 	preAuthSigner func(ctx context.Context, c *cli.Command, log func(s string, args ...any), authEvent *nostr.Event) (err error), // if this exists we will force preauth
-	opts nostr.PoolOptions,
 ) []*nostr.Relay {
 	// first pass to check if these are valid relay URLs
-	for _, url := range relayUrls {
-		if !nostr.IsValidRelayURL(nostr.NormalizeURL(url)) {
+	for i, url := range relayUrls {
+		url = nostr.NormalizeURL(url)
+		relayUrls[i] = url
+		if !nostr.IsValidRelayURL(url) {
 			log("invalid relay URL: %s\n", url)
 			os.Exit(4)
 		}
 	}
 
-	opts.EventMiddleware = sys.TrackEventHints
-	opts.PenaltyBox = true
-	opts.RelayOptions = nostr.RelayOptions{
-		RequestHeader: http.Header{textproto.CanonicalMIMEHeaderKey("user-agent"): {"nak/s"}},
-	}
-	sys.Pool = nostr.NewPool(opts)
-
 	relays := make([]*nostr.Relay, 0, len(relayUrls))
 
 	if supportsDynamicMultilineMagic() {
@@ -223,7 +241,7 @@ func connectToAllRelays(
 	} else {
 		// simple flow
 		for _, url := range relayUrls {
-			log("connecting to %s... ", color.CyanString(url))
+			log("connecting to %s... ", color.CyanString(strings.Split(url, "/")[2]))
 			relay := connectToSingleRelay(ctx, c, url, preAuthSigner, nil, log)
 			if relay != nil {
 				relays = append(relays, relay)
@@ -254,7 +272,7 @@ func connectToSingleRelay(
 			for range 5 {
 				if err := relay.Auth(ctx, func(ctx context.Context, authEvent *nostr.Event) error {
 					challengeTag := authEvent.Tags.Find("challenge")
-					if challengeTag[1] == "" {
+					if challengeTag == nil || len(challengeTag) < 2 || challengeTag[1] == "" {
 						return fmt.Errorf("auth not received yet *****") // what a giant hack
 					}
 					return preAuthSigner(ctx, c, logthis, authEvent)
@@ -408,19 +426,6 @@ func clampError(err error, prefixAlreadyPrinted int) string {
 	return msg
 }
 
-func appendUnique[A comparable](list []A, newEls ...A) []A {
-ex:
-	for _, newEl := range newEls {
-		for _, el := range list {
-			if el == newEl {
-				continue ex
-			}
-		}
-		list = append(list, newEl)
-	}
-	return list
-}
-
 func askConfirmation(msg string) bool {
 	if isPiped() {
 		tty, err := tty.Open()
@@ -464,22 +469,167 @@ func askConfirmation(msg string) bool {
 	}
 }
 
+func parsePubKey(value string) (nostr.PubKey, error) {
+	if nip05.IsValidIdentifier(value) {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second*3)
+		pp, err := nip05.QueryIdentifier(ctx, value)
+		cancel()
+		if err != nil {
+			return nostr.ZeroPK, err
+		}
+		return pp.PublicKey, nil
+	}
+
+	pk, err := nostr.PubKeyFromHex(value)
+	if err == nil {
+		return pk, nil
+	}
+
+	if prefix, decoded, err := nip19.Decode(value); err == nil {
+		switch prefix {
+		case "npub":
+			if pk, ok := decoded.(nostr.PubKey); ok {
+				return pk, nil
+			}
+		case "nprofile":
+			if profile, ok := decoded.(nostr.ProfilePointer); ok {
+				return profile.PublicKey, nil
+			}
+		}
+	}
+
+	return nostr.PubKey{}, fmt.Errorf("invalid pubkey (\"%s\"): expected hex, npub, or nprofile", value)
+}
+
+func parseEventID(value string) (nostr.ID, error) {
+	id, err := nostr.IDFromHex(value)
+	if err == nil {
+		return id, nil
+	}
+
+	if prefix, decoded, err := nip19.Decode(value); err == nil {
+		switch prefix {
+		case "note":
+			if id, ok := decoded.(nostr.ID); ok {
+				return id, nil
+			}
+		case "nevent":
+			if event, ok := decoded.(nostr.EventPointer); ok {
+				return event.ID, nil
+			}
+		}
+	}
+
+	return nostr.ID{}, fmt.Errorf("invalid event id (\"%s\"): expected hex, note, or nevent", value)
+}
+
+func decodeTagValue(value string, letter rune) string {
+	letter = unicode.ToLower(letter)
+
+	if letter == 'p' {
+		if nip05.IsValidIdentifier(value) {
+			ctx, cancel := context.WithTimeout(context.Background(), time.Second*3)
+			pp, err := nip05.QueryIdentifier(ctx, value)
+			cancel()
+			if err == nil {
+				return pp.PublicKey.Hex()
+			}
+		}
+	}
+
+	if (letter == 'p' && (strings.HasPrefix(value, "npub1") || strings.HasPrefix(value, "nprofile1"))) ||
+		((letter == 'a' || letter == 'q') && strings.HasPrefix(value, "naddr1")) ||
+		((letter == 'e' || letter == 'q') && (strings.HasPrefix(value, "nevent1") || strings.HasPrefix(value, "note1"))) {
+		if ptr, err := nip19.ToPointer(value); err == nil {
+			return ptr.AsTagReference()
+		}
+	}
+	return value
+}
+
+func editWithDefaultEditor(filename string, initialContent string, wipe bool) (string, error) {
+	fullpath := filepath.Join(os.TempDir(), filename)
+
+	if err := os.MkdirAll(filepath.Dir(fullpath), 0700); err != nil {
+		return "", fmt.Errorf("failed to create temp directory: %w", err)
+	}
+
+	if wipe {
+		if err := os.Remove(fullpath); err != nil && !errors.Is(err, os.ErrNotExist) {
+			return "", fmt.Errorf("failed to remove temp file: %w", err)
+		}
+	}
+
+	tmp, err := os.OpenFile(fullpath, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
+	if err != nil {
+		return "", fmt.Errorf("failed to create temp file: %w", err)
+	}
+
+	if _, err := tmp.WriteString(initialContent); err != nil {
+		tmp.Close()
+		return "", fmt.Errorf("failed to write temp file: %w", err)
+	}
+	if err := tmp.Close(); err != nil {
+		return "", fmt.Errorf("failed to close temp file: %w", err)
+	}
+
+	editor := strings.TrimSpace(os.Getenv("VISUAL"))
+	if editor == "" {
+		editor = strings.TrimSpace(os.Getenv("EDITOR"))
+	}
+	if editor == "" {
+		editor = "edit"
+	}
+
+	parts := strings.Fields(editor)
+	if len(parts) == 0 {
+		return "", fmt.Errorf("failed to parse editor command '%s'", editor)
+	}
+
+	args := append(parts[1:], tmp.Name())
+	cmd := exec.Command(parts[0], args...)
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	if err := cmd.Run(); err != nil {
+		return "", fmt.Errorf("editor command failed: %w", err)
+	}
+
+	data, err := os.ReadFile(tmp.Name())
+	if err != nil {
+		return "", fmt.Errorf("failed to read edited temp file: %w", err)
+	}
+
+	return string(data), nil
+}
+
+func clampWithEllipsis(s string, size int) string {
+	if len(s) <= size {
+		return s
+	}
+	return s[0:size-1] + "…"
+}
+
 var colors = struct {
-	reset    func(...any) (int, error)
-	italic   func(...any) string
-	italicf  func(string, ...any) string
-	bold     func(...any) string
-	boldf    func(string, ...any) string
-	error    func(...any) string
-	errorf   func(string, ...any) string
-	success  func(...any) string
-	successf func(string, ...any) string
+	reset      func(...any) (int, error)
+	italic     func(...any) string
+	italicf    func(string, ...any) string
+	bold       func(...any) string
+	boldf      func(string, ...any) string
+	underline  func(...any) string
+	underlinef func(string, ...any) string
+	error      func(...any) string
+	errorf     func(string, ...any) string
+	success    func(...any) string
+	successf   func(string, ...any) string
 }{
 	color.New(color.Reset).Print,
 	color.New(color.Italic).Sprint,
 	color.New(color.Italic).Sprintf,
 	color.New(color.Bold).Sprint,
 	color.New(color.Bold).Sprintf,
+	color.New(color.Underline).Sprint,
+	color.New(color.Underline).Sprintf,
 	color.New(color.Bold, color.FgHiRed).Sprint,
 	color.New(color.Bold, color.FgHiRed).Sprintf,
 	color.New(color.Bold, color.FgHiGreen).Sprint,

helpers_key.go

@@ -13,7 +13,7 @@ import (
 	"fiatjaf.com/nostr/nip49"
 	"github.com/chzyer/readline"
 	"github.com/fatih/color"
-	"github.com/mattn/go-tty"
+	"github.com/mattn/go-tty/v2"
 	"github.com/urfave/cli/v3"
 )
 
@@ -77,7 +77,7 @@ func gatherSecretKeyOrBunkerFromArguments(ctx context.Context, c *cli.Command) (
 			clientKey = nostr.Generate()
 		}
 
-		logverbose("[nip46]: connecting to %s with client key %s", bunkerURL, clientKey.Hex())
+		logverbose("[nip46]: connecting to %s with client key %s\n", bunkerURL, clientKey.Hex())
 
 		bunker, err := nip46.ConnectBunker(ctx, clientKey, bunkerURL, nil, func(s string) {
 			log(color.CyanString("[nip46]: open the following URL: %s"), s)

install.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env sh
+set -e
+
+# detect OS
+detect_os() {
+    case "$(uname -s)" in
+        Linux*)     echo "linux";;
+        Darwin*)    echo "darwin";;
+        FreeBSD*)   echo "freebsd";;
+        MINGW*|MSYS*|CYGWIN*) echo "windows";;
+        *)
+            echo "error: unsupported OS $(uname -s)" >&2
+            exit 1
+            ;;
+    esac
+}
+
+# detect architecture
+detect_arch() {
+    case "$(uname -m)" in
+        x86_64|amd64)   echo "amd64";;
+        aarch64|arm64)  echo "arm64";;
+        riscv64)        echo "riscv64";;
+        *)
+            echo "error: unsupported architecture $(uname -m)" >&2
+            exit 1
+            ;;
+    esac
+}
+
+# set install directory
+INSTALL_DIR="${INSTALL_DIR:-$HOME/.local/bin}"
+
+# detect platform
+OS=$(detect_os)
+ARCH=$(detect_arch)
+
+echo "installing nak ($OS-$ARCH) to $INSTALL_DIR..."
+
+# check if curl is available
+command -v curl >/dev/null 2>&1 || { echo "error: curl is required" >&2; exit 1; }
+
+# get latest release tag
+RELEASE_INFO=$(curl -s https://api.github.com/repos/fiatjaf/nak/releases/latest)
+TAG="${RELEASE_INFO#*\"tag_name\"}"
+TAG="${TAG#*\"}"
+TAG="${TAG%%\"*}"
+
+[ -z "$TAG" ] && { echo "error: failed to fetch release info" >&2; exit 1; }
+
+# construct download URL
+BINARY_NAME="nak-${TAG}-${OS}-${ARCH}"
+[ "$OS" = "windows" ] && BINARY_NAME="${BINARY_NAME}.exe"
+DOWNLOAD_URL="https://github.com/fiatjaf/nak/releases/download/${TAG}/${BINARY_NAME}"
+
+# create install directory and download
+mkdir -p "$INSTALL_DIR"
+TARGET_PATH="$INSTALL_DIR/nak"
+[ "$OS" = "windows" ] && TARGET_PATH="${TARGET_PATH}.exe"
+
+if curl -sS -L -f -o "$TARGET_PATH" "$DOWNLOAD_URL"; then
+    chmod +x "$TARGET_PATH"
+    echo "installed nak $TAG to $TARGET_PATH"
+
+    # check if install dir is in PATH
+    case ":$PATH:" in
+        *":$INSTALL_DIR:"*) ;;
+        *) echo "note: add $INSTALL_DIR to your PATH" ;;
+    esac
+else
+    echo "error: download failed from $DOWNLOAD_URL" >&2
+    exit 1
+fi

jq.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"fmt"
+
+	"fiatjaf.com/nostr"
+	"github.com/itchyny/gojq"
+)
+
+const eventJQPrelude = `
+def tags(tagName): .tags | map(select(.[0] == tagName));
+def tag(tagName): tags(tagName) | .[0];
+def value(tagName): tag(tagName)[1];
+def has(tagName): (tags(tagName) | length) > 0;
+def hasnt(tagName): (tags(tagName) | length) == 0;
+def has_value(tagName; tagValue): tags(tagName) | map(select(.[1] == tagValue)) | length > 0;
+`
+
+type jqProcessor func(nostr.Event) (any, bool, error)
+
+func jqPrepare(expr string) (jqProcessor, error) {
+	if expr == "" {
+		return nil, nil
+	}
+
+	query, err := gojq.Parse(eventJQPrelude + expr)
+	if err != nil {
+		return nil, fmt.Errorf("invalid jq expression: %w", err)
+	}
+
+	code, err := gojq.Compile(query)
+	if err != nil {
+		return nil, fmt.Errorf("failed to compile jq expression: %w", err)
+	}
+
+	return func(evt nostr.Event) (any, bool, error) {
+		input, err := toJQInput(evt)
+		if err != nil {
+			return nil, false, err
+		}
+
+		iter := code.Run(input)
+		for {
+			v, ok := iter.Next()
+			if !ok {
+				return v, false, nil
+			}
+
+			if err, ok := v.(error); ok {
+				return v, false, err
+			}
+
+			if jqTruthy(v) {
+				return v, true, nil
+			}
+		}
+	}, nil
+}
+
+func toJQInput(v any) (any, error) {
+	data, err := json.Marshal(v)
+	if err != nil {
+		return nil, fmt.Errorf("failed to marshal jq input: %w", err)
+	}
+
+	var input any
+	if err := json.Unmarshal(data, &input); err != nil {
+		return nil, fmt.Errorf("failed to unmarshal jq input: %w", err)
+	}
+
+	return input, nil
+}
+
+func jqTruthy(v any) bool {
+	switch v := v.(type) {
+	case nil:
+		return false
+	case bool:
+		return v
+	default:
+		return true
+	}
+}

key.go

@@ -23,9 +23,11 @@ var key = &cli.Command{
 	Commands: []*cli.Command{
 		generate,
 		public,
+		expand,
 		encryptKey,
 		decryptKey,
 		combine,
+		validate,
 	},
 }
 
@@ -67,6 +69,37 @@ var public = &cli.Command{
 	},
 }
 
+var expand = &cli.Command{
+	Name:                      "expand",
+	Usage:                     "left-pads a hex key to 64 characters",
+	Description:               ``,
+	ArgsUsage:                 "[key]",
+	DisableSliceFlagSeparator: true,
+	Action: func(ctx context.Context, c *cli.Command) error {
+		for keyhex := range getStdinLinesOrArgumentsFromSlice(c.Args().Slice()) {
+			keyhex = strings.TrimSpace(keyhex)
+			if keyhex == "" {
+				continue
+			}
+			if len(keyhex) > 64 {
+				ctx = lineProcessingError(ctx, "invalid hex key: length %d", len(keyhex))
+				continue
+			}
+			check := keyhex
+			if len(check)%2 == 1 {
+				check = "0" + check
+			}
+			if _, err := hex.DecodeString(check); err != nil {
+				ctx = lineProcessingError(ctx, "invalid hex key: %s", err)
+				continue
+			}
+			keyhex = strings.ToLower(keyhex)
+			stdout(strings.Repeat("0", 64-len(keyhex)) + keyhex)
+		}
+		return nil
+	},
+}
+
 var encryptKey = &cli.Command{
 	Name:                      "encrypt",
 	Usage:                     "encrypts a secret key and prints an ncryptsec code",
@@ -155,6 +188,53 @@ var decryptKey = &cli.Command{
 	},
 }
 
+var validate = &cli.Command{
+	Name:  "validate",
+	Usage: "validates a public key by attempting to parse it",
+	Description: `Accepts public keys in hex (64 characters) or npub format.
+Returns error if key is invalid, otherwise exits successfully.`,
+	ArgsUsage:                 "[pubkey...]",
+	DisableSliceFlagSeparator: true,
+	Action: func(ctx context.Context, c *cli.Command) error {
+		for pk := range getStdinLinesOrArgumentsFromSlice(c.Args().Slice()) {
+			pk = strings.TrimSpace(pk)
+			if pk == "" {
+				continue
+			}
+
+			var pkBytes []byte
+			var err error
+
+			if strings.HasPrefix(pk, "npub1") {
+				_, data, err := nip19.Decode(pk)
+				if err != nil {
+					ctx = lineProcessingError(ctx, "invalid npub: %s", err)
+					continue
+				}
+				tmp := data.([32]byte)
+				pkBytes = tmp[:]
+			} else {
+				pkBytes, err = hex.DecodeString(pk)
+				if err != nil {
+					ctx = lineProcessingError(ctx, "invalid hex: %s", err)
+					continue
+				}
+				if len(pkBytes) != 32 {
+					ctx = lineProcessingError(ctx, "invalid pubkey length: expected 32 bytes, got %d", len(pkBytes))
+					continue
+				}
+			}
+
+			_, err = btcec.ParsePubKey(append([]byte{0x02}, pkBytes...))
+			if err != nil {
+				ctx = lineProcessingError(ctx, "invalid pubkey: %s", err)
+				continue
+			}
+		}
+		return nil
+	},
+}
+
 var combine = &cli.Command{
 	Name:  "combine",
 	Usage: "combines two or more pubkeys using musig2",
@@ -183,15 +263,13 @@ However, if the intent is to check if two existing Nostr pubkeys match a given c
 		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)
-			}
+			pk32, err := parsePubKey(keyhex)
+			if err == nil { /* we'll try both the 02 and the 03 prefix versions */
+				result.Keys[i] = pk32.Hex()
 
-			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...))
+					pubk, err := btcec.ParsePubKey(append([]byte{prefix}, pk32[:]...))
 					if err != nil {
 						log("error parsing key %s: %s", keyhex, err)
 						continue
@@ -199,7 +277,16 @@ However, if the intent is to check if two existing Nostr pubkeys match a given c
 					group[i] = pubk
 				}
 				keyGroups = append(keyGroups, group)
-			} else /* assume it's 33 */ {
+				continue
+			}
+
+			keyb, err := hex.DecodeString(keyhex)
+			if err != nil {
+				return fmt.Errorf("error parsing key %s: %w", keyhex, err)
+			}
+			if len(keyb) == 33 {
+				result.Keys[i] = hex.EncodeToString(keyb[1:])
+
 				pubk, err := btcec.ParsePubKey(keyb)
 				if err != nil {
 					return fmt.Errorf("error parsing key %s: %w", keyhex, err)
@@ -208,6 +295,8 @@ However, if the intent is to check if two existing Nostr pubkeys match a given c
 
 				// remove the leading byte from the output just so it is all uniform
 				result.Keys[i] = result.Keys[i][2:]
+
+				continue
 			}
 		}
 
@@ -279,12 +368,13 @@ func getSecretKeysFromStdinLinesOrSlice(ctx context.Context, _ *cli.Command, key
 					continue
 				}
 				sk = data.(nostr.SecretKey)
-			}
-
-			sk, err := nostr.SecretKeyFromHex(sec)
-			if err != nil {
-				ctx = lineProcessingError(ctx, "invalid hex key: %s", err)
-				continue
+			} else {
+				var err error
+				sk, err = nostr.SecretKeyFromHex(sec)
+				if err != nil {
+					ctx = lineProcessingError(ctx, "invalid hex key: %s", err)
+					continue
+				}
 			}
 
 			ch <- sk

lmdb.go

@@ -0,0 +1,45 @@
+//go:build linux && !riscv64 && !arm64
+
+package main
+
+import (
+	"os"
+	"path/filepath"
+
+	"fiatjaf.com/nostr/eventstore/lmdb"
+	"fiatjaf.com/nostr/eventstore/nullstore"
+	"fiatjaf.com/nostr/sdk"
+	"fiatjaf.com/nostr/sdk/hints/lmdbh"
+	lmdbkv "fiatjaf.com/nostr/sdk/kvstore/lmdb"
+	"github.com/urfave/cli/v3"
+)
+
+func setupLocalDatabases(c *cli.Command, sys *sdk.System) {
+	configPath := c.String("config-path")
+	if configPath == "" {
+		return
+	}
+
+	hintsPath := filepath.Join(configPath, "outbox/hints")
+	os.MkdirAll(hintsPath, 0755)
+	_, err := lmdbh.NewLMDBHints(hintsPath)
+	if err != nil {
+		log("failed to create lmdb hints db at '%s': %s\n", hintsPath, err)
+	}
+
+	eventsPath := filepath.Join(configPath, "events")
+	os.MkdirAll(eventsPath, 0755)
+	sys.Store = &lmdb.LMDBBackend{Path: eventsPath}
+	if err := sys.Store.Init(); err != nil {
+		log("failed to create boltdb events db at '%s': %s\n", eventsPath, err)
+		sys.Store = &nullstore.NullStore{}
+	}
+
+	kvPath := filepath.Join(configPath, "kvstore")
+	os.MkdirAll(kvPath, 0755)
+	if kv, err := lmdbkv.NewStore(kvPath); err != nil {
+		log("failed to create boltdb kvstore db at '%s': %s\n", kvPath, err)
+	} else {
+		sys.KVStore = kv
+	}
+}

main.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"context"
-	"fmt"
 	"net/http"
 	"net/textproto"
 	"os"
@@ -26,9 +25,9 @@ var app = &cli.Command{
 	Usage:                     "the nostr army knife command-line tool",
 	DisableSliceFlagSeparator: true,
 	Commands: []*cli.Command{
-		event,
+		eventCmd,
 		req,
-		filter,
+		filterCmd,
 		fetch,
 		count,
 		decode,
@@ -40,14 +39,24 @@ var app = &cli.Command{
 		bunker,
 		serve,
 		blossomCmd,
+		dekey,
 		encrypt,
 		decrypt,
-		outbox,
+		gift,
+		outboxCmd,
 		wallet,
 		mcpServer,
 		curl,
 		fsCmd,
 		publish,
+		nsite,
+		git,
+		group,
+		nip,
+		syncCmd,
+		spell,
+		profile,
+		validateCmd,
 	},
 	Version: version,
 	Flags: []cli.Flag{
@@ -58,7 +67,7 @@ var app = &cli.Command{
 				if home, err := os.UserHomeDir(); err == nil {
 					return filepath.Join(home, ".config/nak")
 				} else {
-					return filepath.Join("/dev/null")
+					return ""
 				}
 			})(),
 		},
@@ -94,17 +103,13 @@ var app = &cli.Command{
 	Before: func(ctx context.Context, c *cli.Command) (context.Context, error) {
 		sys = sdk.NewSystem()
 
-		if err := initializeOutboxHintsDB(c, sys); err != nil {
-			return ctx, fmt.Errorf("failed to initialize outbox hints: %w", err)
-		}
+		setupLocalDatabases(c, sys)
 
-		sys.Pool = nostr.NewPool(nostr.PoolOptions{
-			AuthorKindQueryMiddleware: sys.TrackQueryAttempts,
-			EventMiddleware:           sys.TrackEventHints,
-			RelayOptions: nostr.RelayOptions{
-				RequestHeader: http.Header{textproto.CanonicalMIMEHeaderKey("user-agent"): {"nak/b"}},
-			},
-		})
+		sys.Pool.QueryMiddleware = sys.TrackQueryAttempts
+		sys.Pool.EventMiddleware = sys.TrackEventHints
+		sys.Pool.RelayOptions = nostr.RelayOptions{
+			RequestHeader: http.Header{textproto.CanonicalMIMEHeaderKey("user-agent"): {"nak/b"}},
+		}
 
 		return ctx, nil
 	},
@@ -115,6 +120,12 @@ func init() {
 		Name:  "version",
 		Usage: "prints the version",
 	}
+	cli.HelpFlag = &cli.BoolFlag{
+		Name:        "help",
+		Usage:       "shows help",
+		HideDefault: true,
+		Local:       true,
+	}
 }
 
 func main() {
@@ -123,9 +134,7 @@ func main() {
 	// a megahack to enable this curl command proxy
 	if len(os.Args) > 2 && os.Args[1] == "curl" {
 		if err := realCurl(); err != nil {
-			if err != nil {
-				log(color.YellowString(err.Error()) + "\n")
-			}
+			log(color.YellowString(err.Error()) + "\n")
 			colors.reset()
 			os.Exit(1)
 		}
@@ -133,9 +142,7 @@ func main() {
 	}
 
 	if err := app.Run(context.Background(), os.Args); err != nil {
-		if err != nil {
-			log("%s\n", color.RedString(err.Error()))
-		}
+		log("%s\n", color.RedString(err.Error()))
 		colors.reset()
 		os.Exit(1)
 	}

mcp.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 
 	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/nip11"
 	"fiatjaf.com/nostr/nip19"
 	"fiatjaf.com/nostr/sdk"
 	"github.com/mark3labs/mcp-go/mcp"
@@ -33,10 +34,10 @@ var mcpServer = &cli.Command{
 		}
 
 		s.AddTool(mcp.NewTool("publish_note",
-			mcp.WithDescription("Publish a short note event to Nostr with the given text content"),
-			mcp.WithString("content", mcp.Description("Arbitrary string to be published"), mcp.Required()),
-			mcp.WithString("relay", mcp.Description("Relay to publish the note to")),
-			mcp.WithString("mention", mcp.Description("Nostr user's public key to be mentioned")),
+			mcp.WithDescription("publish a short note event to Nostr with the given text content"),
+			mcp.WithString("content", mcp.Description("arbitrary string to be published"), mcp.Required()),
+			mcp.WithString("relay", mcp.Description("relay to publish the note to")),
+			mcp.WithString("mention", mcp.Description("nostr user's public key to be mentioned")),
 		), func(ctx context.Context, r mcp.CallToolRequest) (*mcp.CallToolResult, error) {
 			content := required[string](r, "content")
 			mention, _ := optional[string](r, "mention")
@@ -105,7 +106,7 @@ var mcpServer = &cli.Command{
 		})
 
 		s.AddTool(mcp.NewTool("resolve_nostr_uri",
-			mcp.WithDescription("Resolve URIs prefixed with nostr:, including nostr:nevent1..., nostr:npub1..., nostr:nprofile1... and nostr:naddr1..."),
+			mcp.WithDescription("resolve URIs prefixed with nostr:, including nostr:nevent1..., nostr:npub1..., nostr:nprofile1... and nostr:naddr1..."),
 			mcp.WithString("uri", mcp.Description("URI to be resolved"), mcp.Required()),
 		), func(ctx context.Context, r mcp.CallToolRequest) (*mcp.CallToolResult, error) {
 			uri := required[string](r, "uri")
@@ -136,56 +137,67 @@ var mcpServer = &cli.Command{
 					WithRelays: false,
 				})
 				if err != nil {
-					return mcp.NewToolResultError("Couldn't find this event anywhere"), nil
+					return mcp.NewToolResultError("couldn't find this event anywhere"), nil
 				}
 
 				return mcp.NewToolResultText(
 					fmt.Sprintf("this is a Nostr event: %s", event),
 				), nil
 			case "naddr":
-				return mcp.NewToolResultError("For now we can't handle this kind of Nostr uri"), nil
+				return mcp.NewToolResultError("for now we can't handle this kind of Nostr uri"), nil
 			default:
-				return mcp.NewToolResultError("We don't know how to handle this Nostr uri"), nil
+				return mcp.NewToolResultError("we don't know how to handle this Nostr uri"), nil
 			}
 		})
 
 		s.AddTool(mcp.NewTool("search_profile",
-			mcp.WithDescription("Search for the public key of a Nostr user given their name"),
-			mcp.WithString("name", mcp.Description("Name to be searched"), mcp.Required()),
-			mcp.WithNumber("limit", mcp.Description("How many results to return")),
+			mcp.WithDescription("search for the public key of a Nostr user given their name"),
+			mcp.WithString("name", mcp.Description("name to be searched"), mcp.Required()),
+			mcp.WithNumber("limit", mcp.Description("how many results to return")),
 		), func(ctx context.Context, r mcp.CallToolRequest) (*mcp.CallToolResult, error) {
 			name := required[string](r, "name")
 			limit, _ := optional[float64](r, "limit")
 
-			filter := nostr.Filter{Search: name, Kinds: []nostr.Kind{0}}
-			if limit > 0 {
-				filter.Limit = int(limit)
-			}
-
 			res := strings.Builder{}
-			res.WriteString("Search results: ")
-			l := 0
-			for result := range sys.Pool.FetchMany(ctx, []string{"relay.nostr.band", "nostr.wine"}, filter, nostr.SubscriptionOptions{
-				Label: "nak-mcp-search",
-			}) {
-				l++
-				pm, _ := sdk.ParseMetadata(result.Event)
-				res.WriteString(fmt.Sprintf("\n\nResult %d\nUser name: \"%s\"\nPublic key: \"%s\"\nDescription: \"%s\"\n",
-					l, pm.ShortName(), pm.PubKey.Hex(), pm.About))
+			res.Grow(500)
+			res.WriteString("search results: ")
 
-				if l >= int(limit) {
-					break
+			// check if input is already a valid pubkey
+			if pubkey, err := nostr.PubKeyFromHex(name); err == nil {
+				pm := sys.FetchProfileMetadata(ctx, pubkey)
+				res.WriteString(fmt.Sprintf("\n\nResult 1\nUser name: \"%s\"\nPublic key: \"%s\"\nDescription: \"%s\"\n",
+					pm.ShortName(), pm.PubKey.Hex(), pm.About))
+			} else {
+				// otherwise try to search
+				filter := nostr.Filter{Search: name, Kinds: []nostr.Kind{0}}
+				if limit > 0 {
+					filter.Limit = int(limit)
+				}
+
+				l := 0
+				for result := range sys.Pool.FetchMany(ctx, []string{"relay.nostr.band", "nostr.wine", "search.nos.social"}, filter, nostr.SubscriptionOptions{
+					Label: "nak-mcp-search",
+				}) {
+					l++
+					pm, _ := sdk.ParseMetadata(result.Event)
+					res.WriteString(fmt.Sprintf("\n\nResult %d\nUser name: \"%s\"\nPublic key: \"%s\"\nDescription: \"%s\"\n",
+						l, pm.ShortName(), pm.PubKey.Hex(), pm.About))
+
+					if l >= int(limit) {
+						break
+					}
+				}
+				if l == 0 {
+					return mcp.NewToolResultError("couldn't find anyone with that name."), nil
 				}
 			}
-			if l == 0 {
-				return mcp.NewToolResultError("Couldn't find anyone with that name."), nil
-			}
+
 			return mcp.NewToolResultText(res.String()), nil
 		})
 
 		s.AddTool(mcp.NewTool("get_outbox_relay_for_pubkey",
-			mcp.WithDescription("Get the best relay from where to read notes from a specific Nostr user"),
-			mcp.WithString("pubkey", mcp.Description("Public key of Nostr user we want to know the relay from where to read"), mcp.Required()),
+			mcp.WithDescription("get the best relay from where to read notes from a specific Nostr user"),
+			mcp.WithString("pubkey", mcp.Description("public key of Nostr user we want to know the relay from where to read"), mcp.Required()),
 		), func(ctx context.Context, r mcp.CallToolRequest) (*mcp.CallToolResult, error) {
 			pubkey, err := nostr.PubKeyFromHex(required[string](r, "pubkey"))
 			if err != nil {
@@ -197,7 +209,7 @@ var mcpServer = &cli.Command{
 		})
 
 		s.AddTool(mcp.NewTool("read_events_from_relay",
-			mcp.WithDescription("Makes a REQ query to one relay using the specified parameters, this can be used to fetch notes from a profile"),
+			mcp.WithDescription("makes a REQ query to one relay using the specified parameters, this can be used to fetch notes from a profile"),
 			mcp.WithString("relay", mcp.Description("relay URL to send the query to"), mcp.Required()),
 			mcp.WithNumber("kind", mcp.Description("event kind number to include in the 'kinds' field"), mcp.Required()),
 			mcp.WithNumber("limit", mcp.Description("maximum number of events to query"), mcp.Required()),
@@ -238,6 +250,77 @@ var mcpServer = &cli.Command{
 			return mcp.NewToolResultText(result.String()), nil
 		})
 
+		s.AddTool(mcp.NewTool("search_events",
+			mcp.WithDescription("search for Nostr events. specifying the author makes it so we'll try to use their relays instead of generic ones."),
+			mcp.WithString("search", mcp.Description("search query string"), mcp.Required()),
+			mcp.WithString("author", mcp.Description("author public key to filter by")),
+			mcp.WithNumber("kind", mcp.Description("event kind to filter by")),
+			mcp.WithNumber("limit", mcp.Description("maximum number of results to return")),
+		), func(ctx context.Context, r mcp.CallToolRequest) (*mcp.CallToolResult, error) {
+			search := required[string](r, "search")
+			author, hasAuthor := optional[string](r, "author")
+			kind, hasKind := optional[float64](r, "kind")
+			limit, _ := optional[float64](r, "limit")
+			if limit == 0 {
+				limit = 50
+			}
+
+			filter := nostr.Filter{Search: search, Limit: int(limit)}
+			if hasKind {
+				filter.Kinds = []nostr.Kind{nostr.Kind(int(kind))}
+			}
+
+			var relays []string
+
+			if hasAuthor {
+				if pk, err := nostr.PubKeyFromHex(author); err != nil {
+					return mcp.NewToolResultError("the author given isn't a valid public key, it must be 32 bytes hex. Got error: " + err.Error()), nil
+				} else {
+					filter.Authors = append(filter.Authors, pk)
+				}
+
+				pk, _ := nostr.PubKeyFromHex(author)
+				writeRelays := sys.FetchOutboxRelays(ctx, pk, 5)
+
+				for _, relayURL := range writeRelays {
+					if info, err := nip11.Fetch(ctx, relayURL); err == nil {
+						for _, nip := range info.SupportedNIPs {
+							if nipInt, ok := nip.(float64); ok && nipInt == 50 {
+								relays = append(relays, relayURL)
+								break
+							}
+						}
+					}
+				}
+			}
+
+			if len(relays) == 0 {
+				relays = []string{"relay.nostr.band", "nostr.polyserv.xyz/", "search.nos.today/"}
+			}
+
+			result := strings.Builder{}
+			result.WriteString(fmt.Sprintf("search results for '%s':\n\n", search))
+
+			l := 0
+			for event := range sys.Pool.FetchMany(ctx, relays, filter, nostr.SubscriptionOptions{
+				Label: "nak-mcp-search",
+			}) {
+				l++
+				result.WriteString(fmt.Sprintf("result %d\nID: %s\nKind: %d\nAuthor: %s\nContent: %s\n---\n",
+					l, event.ID, event.Kind, event.PubKey.Hex(), event.Content))
+
+				if l >= int(limit) {
+					break
+				}
+			}
+
+			if l == 0 {
+				return mcp.NewToolResultError("no events found matching the search criteria."), nil
+			}
+
+			return mcp.NewToolResultText(result.String()), nil
+		})
+
 		return server.ServeStdio(s)
 	},
 }

nip.go

@@ -0,0 +1,201 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"os/exec"
+	"runtime"
+	"strings"
+
+	"github.com/charmbracelet/glamour"
+	"github.com/urfave/cli/v3"
+)
+
+type nipInfo struct {
+	nip, desc, link string
+}
+
+var nip = &cli.Command{
+	Name:  "nip",
+	Usage: "list NIPs or get the description of a NIP from its number",
+	Description: `lists NIPs, fetches and displays NIP text, or opens a NIP page in the browser.
+
+examples:
+  nak nip          # list all NIPs
+  nak nip 29       # shows nip29 details
+  nak nip open 29  # opens nip29 in browser`,
+	ArgsUsage: "[NIP number]",
+	Commands: []*cli.Command{
+		{
+			Name:  "open",
+			Usage: "open the NIP page in the browser",
+			Action: func(ctx context.Context, c *cli.Command) error {
+				reqNum := c.Args().First()
+				if reqNum == "" {
+					return fmt.Errorf("missing NIP number")
+				}
+
+				normalize := func(s string) string {
+					s = strings.ToLower(s)
+					s = strings.TrimPrefix(s, "nip-")
+					s = strings.TrimLeft(s, "0")
+					if s == "" {
+						s = "0"
+					}
+					return s
+				}
+
+				reqNum = normalize(reqNum)
+
+				foundLink := ""
+				for info := range listnips() {
+					nipNum := normalize(info.nip)
+					if nipNum == reqNum {
+						foundLink = info.link
+						break
+					}
+				}
+
+				if foundLink == "" {
+					return fmt.Errorf("NIP-%s not found", strings.ToUpper(reqNum))
+				}
+
+				url := "https://github.com/nostr-protocol/nips/blob/master/" + foundLink
+				fmt.Println("Opening " + url)
+
+				var cmd *exec.Cmd
+				switch runtime.GOOS {
+				case "darwin":
+					cmd = exec.Command("open", url)
+				case "windows":
+					cmd = exec.Command("cmd", "/c", "start", url)
+				default:
+					cmd = exec.Command("xdg-open", url)
+				}
+
+				return cmd.Start()
+			},
+		},
+	},
+	Action: func(ctx context.Context, c *cli.Command) error {
+		reqNum := c.Args().First()
+		if reqNum == "" {
+			// list all NIPs
+			for info := range listnips() {
+				stdout(info.nip + ": " + info.desc)
+			}
+			return nil
+		}
+
+		normalize := func(s string) string {
+			s = strings.ToLower(s)
+			s = strings.TrimPrefix(s, "nip-")
+			s = strings.TrimLeft(s, "0")
+			if s == "" {
+				s = "0"
+			}
+			return s
+		}
+
+		reqNum = normalize(reqNum)
+
+		var foundLink string
+		for info := range listnips() {
+			nipNum := normalize(info.nip)
+
+			if nipNum == reqNum {
+				foundLink = info.link
+				break
+			}
+		}
+
+		if foundLink == "" {
+			return fmt.Errorf("NIP-%s not found", strings.ToUpper(reqNum))
+		}
+
+		// fetch the NIP markdown
+		url := "https://raw.githubusercontent.com/nostr-protocol/nips/master/" + foundLink
+		resp, err := http.Get(url)
+		if err != nil {
+			return fmt.Errorf("failed to fetch NIP: %w", err)
+		}
+		defer resp.Body.Close()
+
+		body, err := io.ReadAll(resp.Body)
+		if err != nil {
+			return fmt.Errorf("failed to read NIP: %w", err)
+		}
+
+		// render markdown
+		rendered, err := glamour.Render(string(body), "auto")
+		if err != nil {
+			return fmt.Errorf("failed to render markdown: %w", err)
+		}
+
+		fmt.Print(rendered)
+		return nil
+	},
+}
+
+func listnips() <-chan nipInfo {
+	ch := make(chan nipInfo)
+	go func() {
+		defer close(ch)
+		resp, err := http.Get("https://raw.githubusercontent.com/nostr-protocol/nips/master/README.md")
+		if err != nil {
+			// TODO: handle error? but since chan, maybe send error somehow, but for now, just close
+			return
+		}
+		defer resp.Body.Close()
+
+		body, err := io.ReadAll(resp.Body)
+		if err != nil {
+			return
+		}
+		bodyStr := string(body)
+		epoch := strings.Index(bodyStr, "## List")
+		if epoch == -1 {
+			return
+		}
+
+		lines := strings.SplitSeq(bodyStr[epoch+8:], "\n")
+		for line := range lines {
+			line = strings.TrimSpace(line)
+			if strings.HasPrefix(line, "##") {
+				break
+			}
+			if !strings.HasPrefix(line, "- [NIP-") {
+				continue
+			}
+
+			start := strings.Index(line, "[")
+			end := strings.Index(line, "]")
+			if start == -1 || end == -1 || end < start {
+				continue
+			}
+
+			content := line[start+1 : end]
+
+			parts := strings.SplitN(content, ":", 2)
+			if len(parts) != 2 {
+				continue
+			}
+
+			nipPart := parts[0]
+			descPart := parts[1]
+
+			rest := line[end+1:]
+			linkStart := strings.Index(rest, "(")
+			linkEnd := strings.Index(rest, ")")
+			link := ""
+			if linkStart != -1 && linkEnd != -1 && linkEnd > linkStart {
+				link = rest[linkStart+1 : linkEnd]
+			}
+
+			ch <- nipInfo{nipPart, strings.TrimSpace(descPart), link}
+		}
+	}()
+	return ch
+}

non_lmdb.go

@@ -0,0 +1,11 @@
+//go:build !linux || riscv64 || arm64
+
+package main
+
+import (
+	"fiatjaf.com/nostr/sdk"
+	"github.com/urfave/cli/v3"
+)
+
+func setupLocalDatabases(c *cli.Command, sys *sdk.System) {
+}

nsite.go

@@ -0,0 +1,309 @@
+package main
+
+import (
+	"context"
+	"encoding/hex"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/keyer"
+	"fiatjaf.com/nostr/nip19"
+	"fiatjaf.com/nostr/nip5a"
+	"fiatjaf.com/nostr/nipb0/blossom"
+	"github.com/fatih/color"
+	"github.com/urfave/cli/v3"
+)
+
+var nsite = &cli.Command{
+	Name:                      "nsite",
+	Suggest:                   true,
+	Usage:                     "publishes and downloads nip-5A static sites",
+	ArgsUsage:                 "<directory> [relay...]",
+	DisableSliceFlagSeparator: true,
+	Flags:                     defaultKeyFlags,
+	Commands: []*cli.Command{
+		{
+			Name:                      "upload",
+			Usage:                     "uploads site files and publishes manifest event",
+			ArgsUsage:                 "<directory> [relay...]",
+			DisableSliceFlagSeparator: true,
+			Flags: []cli.Flag{
+				&cli.BoolFlag{
+					Name:  "root",
+					Usage: "publish root site as kind 15128",
+				},
+				&cli.StringFlag{
+					Name:    "identifier",
+					Aliases: []string{"d"},
+					Usage:   "publish named site as kind 35128 with this d tag",
+				},
+				&cli.StringFlag{
+					Name:  "description",
+					Usage: "a human-readable description of the site",
+				},
+				&cli.StringFlag{
+					Name:  "source",
+					Usage: "a link to the source code of the site",
+				},
+				&cli.StringSliceFlag{
+					Name:        "server",
+					Aliases:     []string{"s"},
+					Usage:       "blossom server hostname or URL, can be given multiple times",
+					DefaultText: "defaults to the publisher's list of preferred blossom servers",
+				},
+				&cli.BoolFlag{
+					Name:    "yes",
+					Aliases: []string{"y"},
+					Usage:   "skip upload confirmation prompt",
+				},
+			},
+			Action: func(ctx context.Context, c *cli.Command) error {
+				dir := c.Args().First()
+				if dir == "" {
+					return fmt.Errorf("missing directory")
+				}
+
+				st, err := os.Stat(dir)
+				if err != nil {
+					return fmt.Errorf("failed to stat %s: %w", dir, err)
+				}
+				if !st.IsDir() {
+					return fmt.Errorf("%s is not a directory", dir)
+				}
+
+				root := c.Bool("root")
+				identifier := c.String("identifier")
+				if root == (identifier != "") {
+					return fmt.Errorf("pick exactly one of --root or --identifier/-d")
+				}
+
+				kr, _, err := gatherKeyerFromArguments(ctx, c)
+				if err != nil {
+					return err
+				}
+				pk, err := kr.GetPublicKey(ctx)
+				if err != nil {
+					return fmt.Errorf("failed to get public key: %w", err)
+				}
+
+				manifest := nip5a.SiteManifest{
+					Pubkey:      pk,
+					Root:        root,
+					Identifier:  identifier,
+					Paths:       make(map[string][32]byte),
+					Description: c.String("description"),
+					Source:      c.String("source"),
+				}
+
+				blossomServers := c.StringSlice("server")
+				if len(blossomServers) != 0 {
+					manifest.Servers = blossomServers
+				} else {
+					servers := sys.FetchBlossomServerList(ctx, pk)
+					if len(servers.Items) == 0 {
+						return fmt.Errorf("no blossom servers advertised in manifest or kind:10063")
+					}
+					blossomServers = make([]string, len(servers.Items))
+					for i, s := range servers.Items {
+						blossomServers[i] = s.Value()
+					}
+				}
+
+				if !c.Bool("yes") {
+					log("%s\n", color.CyanString("files:"))
+
+					if err := filepath.WalkDir(dir, func(path string, d os.DirEntry, err error) error {
+						if err != nil {
+							return err
+						}
+						if d.IsDir() || !d.Type().IsRegular() {
+							return nil
+						}
+
+						relPath, err := filepath.Rel(dir, path)
+						if err != nil {
+							return fmt.Errorf("failed to get relative path for %s: %w", path, err)
+						}
+
+						log("  %s\n", color.GreenString("/%s", filepath.ToSlash(relPath)))
+						return nil
+					}); err != nil {
+						return err
+					}
+
+					log("%s\n", color.CyanString("blossom servers:"))
+					for _, server := range blossomServers {
+						log("  %s\n", color.YellowString(server))
+					}
+					if !askConfirmation("upload nsite and publish manifest? [y/n] ") {
+						return fmt.Errorf("aborted")
+					}
+				}
+
+				if err := filepath.WalkDir(dir, func(path string, d os.DirEntry, err error) error {
+					if err != nil {
+						return err
+					}
+					if d.IsDir() || !d.Type().IsRegular() {
+						return nil
+					}
+
+					relPath, err := filepath.Rel(dir, path)
+					if err != nil {
+						return fmt.Errorf("failed to get relative path for %s: %w", path, err)
+					}
+
+					var hhash string
+					for _, server := range blossomServers {
+						client := blossom.NewClient(server, kr)
+						bd, err := client.UploadFilePath(ctx, path)
+						if err != nil {
+							return fmt.Errorf("failed to upload %s to %s: %w", path, server, err)
+						}
+						hhash = bd.SHA256
+						log("uploaded %s to %s as %s\n", color.GreenString(path), color.YellowString(server), color.CyanString(hhash))
+					}
+
+					var hash [32]byte
+					if _, err := hex.Decode(hash[:], []byte(hhash)); err != nil {
+						return fmt.Errorf("invalid blob hash '%s': %w", hhash, err)
+					}
+					manifest.Paths["/"+filepath.ToSlash(relPath)] = hash
+
+					return nil
+				}); err != nil {
+					return err
+				}
+
+				evt := manifest.ToEvent()
+				if err := kr.SignEvent(ctx, &evt); err != nil {
+					return fmt.Errorf("error signing manifest event: %w", err)
+				}
+
+				relayURLs := nostr.AppendUnique(sys.FetchWriteRelays(ctx, pk), c.Args().Slice()[1:]...)
+				if len(relayURLs) == 0 {
+					return fmt.Errorf("no relays to publish this nsite to")
+				}
+
+				sys.Pool.AuthRequiredHandler = func(ctx context.Context, authEvent *nostr.Event) error {
+					return authSigner(ctx, c, func(string, ...any) {}, authEvent)
+				}
+				relays := connectToAllRelays(ctx, c, relayURLs, nil)
+				if len(relays) == 0 {
+					return fmt.Errorf("failed to connect to any of [ %v ]", relayURLs)
+				}
+
+				stdout(evt.String())
+				if identifier == "" {
+					stdout(nip19.EncodeNpub(pk))
+				} else {
+					stdout(nip5a.PubKeyToBase36(pk) + identifier)
+				}
+
+				return publishFlow(ctx, c, kr, evt, relays)
+			},
+		},
+		{
+			Name:                      "download",
+			Usage:                     "downloads all files from a published nsite",
+			ArgsUsage:                 "<site> [directory]",
+			DisableSliceFlagSeparator: true,
+			Action: func(ctx context.Context, c *cli.Command) error {
+				input := c.Args().First()
+				if input == "" {
+					return fmt.Errorf("missing site")
+				}
+
+				outputDir := c.Args().Get(1)
+				if outputDir == "" {
+					return fmt.Errorf("missing write directory")
+				}
+				if st, err := os.Stat(outputDir); err == nil {
+					if st.IsDir() {
+						return fmt.Errorf("output directory %s already exists", outputDir)
+					}
+					return fmt.Errorf("output path %s already exists and is not a directory", outputDir)
+				} else if !os.IsNotExist(err) {
+					return fmt.Errorf("failed to stat output directory %s: %w", outputDir, err)
+				}
+
+				pk, identifier, isRoot, err := nip5a.DecodeSiteURL(input)
+				if err != nil {
+					return err
+				}
+
+				filter := nostr.Filter{
+					Authors: []nostr.PubKey{pk},
+					Limit:   1,
+				}
+				if isRoot {
+					filter.Kinds = []nostr.Kind{nostr.KindNsiteRoot}
+				} else {
+					filter.Kinds = []nostr.Kind{nostr.KindNsiteNamed}
+					filter.Tags = nostr.TagMap{"d": []string{identifier}}
+				}
+
+				res := sys.Pool.QuerySingle(ctx, sys.FetchWriteRelays(ctx, pk), filter, nostr.SubscriptionOptions{
+					Label: "nak-nsite",
+				})
+				if res == nil {
+					return fmt.Errorf("failed to fetch nsite with filter %v", filter)
+				}
+
+				mnf, err := nip5a.ParseSiteManifest(&res.Event)
+				if err != nil {
+					return fmt.Errorf("invalid nsite %s: %w", res.Event, err)
+				}
+
+				blossomServers := mnf.Servers
+				if len(blossomServers) == 0 {
+					servers := sys.FetchBlossomServerList(ctx, res.Event.PubKey)
+					if len(servers.Items) == 0 {
+						return fmt.Errorf("no blossom servers advertised in manifest or kind:10063")
+					}
+					blossomServers = make([]string, len(servers.Items))
+					for i, s := range servers.Items {
+						blossomServers[i] = s.Value()
+					}
+				}
+
+				signer := keyer.NewReadOnlySigner(pk)
+
+				for path, hash := range mnf.Paths {
+					relPath := strings.TrimPrefix(path, "/")
+					if !filepath.IsLocal(relPath) {
+						return fmt.Errorf("manifest path %q escapes output directory", path)
+					}
+					fullPath := filepath.Join(outputDir, filepath.FromSlash(relPath))
+					if err := os.MkdirAll(filepath.Dir(fullPath), 0o755); err != nil {
+						return fmt.Errorf("failed to create %s: %w", filepath.Dir(fullPath), err)
+					}
+
+					var downloadErr error
+					for _, server := range blossomServers {
+						client := blossom.NewClient(server, signer)
+						data, err := client.Download(ctx, hash)
+						if err != nil {
+							downloadErr = err
+							continue
+						}
+						if err := os.WriteFile(fullPath, data, 0o644); err != nil {
+							return fmt.Errorf("failed to write %s: %w", fullPath, err)
+						}
+						stdout(path)
+						downloadErr = nil
+						break
+					}
+					if downloadErr != nil {
+						return fmt.Errorf("failed to download '%s': %w", path, downloadErr)
+					}
+				}
+
+				return nil
+			},
+		},
+	},
+}

outbox.go

@@ -3,86 +3,26 @@ package main
 import (
 	"context"
 	"fmt"
-	"os"
-	"path/filepath"
 
-	"fiatjaf.com/nostr"
-	"fiatjaf.com/nostr/sdk"
-	"fiatjaf.com/nostr/sdk/hints/bbolth"
-	"github.com/fatih/color"
 	"github.com/urfave/cli/v3"
 )
 
-var (
-	hintsFilePath   string
-	hintsFileExists bool
-)
-
-func initializeOutboxHintsDB(c *cli.Command, sys *sdk.System) error {
-	configPath := c.String("config-path")
-	if configPath != "" {
-		hintsFilePath = filepath.Join(configPath, "outbox/hints.db")
-	}
-	if hintsFilePath != "" {
-		if _, err := os.Stat(hintsFilePath); err == nil {
-			hintsFileExists = true
-		} else if !os.IsNotExist(err) {
-			return err
-		}
-	}
-	if hintsFileExists && hintsFilePath != "" {
-		hintsdb, err := bbolth.NewBoltHints(hintsFilePath)
-		if err == nil {
-			sys.Hints = hintsdb
-		}
-	}
-
-	return nil
-}
-
-var outbox = &cli.Command{
+var outboxCmd = &cli.Command{
 	Name:                      "outbox",
 	Usage:                     "manage outbox relay hints database",
 	DisableSliceFlagSeparator: true,
 	Commands: []*cli.Command{
-		{
-			Name:                      "init",
-			Usage:                     "initialize the outbox hints database",
-			DisableSliceFlagSeparator: true,
-			Action: func(ctx context.Context, c *cli.Command) error {
-				if hintsFileExists {
-					return nil
-				}
-				if hintsFilePath == "" {
-					return fmt.Errorf("couldn't find a place to store the hints, pass --config-path to fix.")
-				}
-
-				os.MkdirAll(hintsFilePath, 0755)
-				_, err := bbolth.NewBoltHints(hintsFilePath)
-				if err != nil {
-					return fmt.Errorf("failed to create bolt hints db at '%s': %w", hintsFilePath, err)
-				}
-
-				log("initialized hints database at %s\n", hintsFilePath)
-				return nil
-			},
-		},
 		{
 			Name:                      "list",
 			Usage:                     "list outbox relays for a given pubkey",
 			ArgsUsage:                 "<pubkey>",
 			DisableSliceFlagSeparator: true,
 			Action: func(ctx context.Context, c *cli.Command) error {
-				if !hintsFileExists {
-					log(color.YellowString("running with temporary fragile data.\n"))
-					log(color.YellowString("call `nak outbox init` to setup persistence.\n"))
-				}
-
 				if c.Args().Len() != 1 {
 					return fmt.Errorf("expected exactly one argument (pubkey)")
 				}
 
-				pk, err := nostr.PubKeyFromHex(c.Args().First())
+				pk, err := parsePubKey(c.Args().First())
 				if err != nil {
 					return fmt.Errorf("invalid public key '%s': %w", c.Args().First(), err)
 				}

profile.go

@@ -0,0 +1,102 @@
+package main
+
+import (
+	"context"
+
+	"fiatjaf.com/nostr/nip19"
+	"github.com/fatih/color"
+	"github.com/urfave/cli/v3"
+)
+
+var profile = &cli.Command{
+	Name:  "profile",
+	Usage: "displays profile information for a given pubkey",
+	Description: `fetches and displays profile metadata, relays, and contact count for a given pubkey.
+
+example usage:
+  nak profile npub1h8spmtw9m2huyv6v2j2qd5zv956z2zdugl6mgx02f2upffwpm3nqv0j4ps
+  nak profile user@example.com`,
+	ArgsUsage: "[pubkey]",
+	Action: func(ctx context.Context, c *cli.Command) error {
+		for pubkeyInput := range getStdinLinesOrArguments(c.Args()) {
+			pk, err := parsePubKey(pubkeyInput)
+			if err != nil {
+				ctx = lineProcessingError(ctx, "invalid pubkey '%s': %s", pubkeyInput, err)
+				continue
+			}
+
+			pm := sys.FetchProfileMetadata(ctx, pk)
+
+			npub := nip19.EncodeNpub(pk)
+			stdout(colors.bold("pubkey (hex):"), pk.Hex())
+			stdout(colors.bold("npub:"), color.HiCyanString(npub))
+
+			relayList := sys.FetchRelayList(ctx, pk)
+			writeRelays := make([]string, 0, 3)
+			for _, rl := range relayList.Items {
+				if rl.Outbox {
+					writeRelays = append(writeRelays, rl.URL)
+					if len(writeRelays) == 3 {
+						break
+					}
+				}
+			}
+			if len(writeRelays) > 0 {
+				nprofile := nip19.EncodeNprofile(pk, writeRelays)
+				stdout(colors.bold("profile uri:"), color.HiCyanString("nostr:"+nprofile))
+			}
+
+			if pm.Name != "" {
+				stdout(colors.bold("name:"), color.HiBlueString(pm.Name))
+			}
+			if pm.DisplayName != "" {
+				stdout(colors.bold("display_name:"), color.HiBlueString(pm.DisplayName))
+			}
+			if pm.About != "" {
+				stdout(colors.bold("about:"), color.HiBlueString(pm.About))
+			}
+			if pm.Picture != "" {
+				stdout(colors.bold("picture:"), color.HiBlueString(pm.Picture))
+			}
+			if pm.Banner != "" {
+				stdout(colors.bold("banner:"), color.HiBlueString(pm.Banner))
+			}
+			if pm.Website != "" {
+				stdout(colors.bold("website:"), color.HiBlueString(pm.Website))
+			}
+			if pm.NIP05 != "" {
+				isValid := pm.NIP05Valid(ctx)
+				if isValid {
+					stdout(colors.bold("nip05:"), color.HiGreenString(pm.NIP05), color.HiGreenString("(verified)"))
+				} else {
+					stdout(colors.bold("nip05:"), color.HiRedString(pm.NIP05), color.HiRedString("(not verified)"))
+				}
+			}
+			if pm.LUD16 != "" {
+				stdout(colors.bold("lud16:"), color.HiBlueString(pm.LUD16))
+			}
+
+			if len(relayList.Items) > 0 {
+				stdout(colors.bold("relays:"))
+				for _, relay := range relayList.Items {
+					access := ""
+					if relay.Inbox && relay.Outbox {
+						access = "read/write"
+					} else if relay.Inbox {
+						access = "read"
+					} else if relay.Outbox {
+						access = "write"
+					}
+					stdout("  ", color.HiBlueString(relay.URL), color.HiCyanString("(%s)", access))
+				}
+			}
+
+			followList := sys.FetchFollowList(ctx, pk)
+			contactCount := len(followList.Items)
+			stdout(colors.bold("follows:"), color.HiCyanString("%d", contactCount))
+		}
+
+		exitIfLineProcessingError(ctx)
+		return nil
+	},
+}

publish.go

@@ -91,6 +91,8 @@ example:
 					replyEvent, _, err = sys.FetchSpecificEvent(ctx, pointer, sdk.FetchSpecificEventParameters{})
 				case nostr.EntityPointer:
 					replyEvent, _, err = sys.FetchSpecificEvent(ctx, pointer, sdk.FetchSpecificEventParameters{})
+				default:
+					return fmt.Errorf("unexpected reply target type: %T", value)
 				}
 				if err != nil {
 					return fmt.Errorf("failed to fetch reply target event: %w", err)
@@ -109,6 +111,7 @@ example:
 
 			if replyEvent.Kind != 1 {
 				evt.Kind = 1111
+				evt.Tags = append(evt.Tags, nostr.Tag{"K", fmt.Sprint(replyEvent.Kind)})
 			}
 
 			// add reply tags
@@ -151,13 +154,11 @@ example:
 		relayUrls = nostr.AppendUnique(relayUrls, targetRelays...)
 		relayUrls = nostr.AppendUnique(relayUrls, replyRelays...)
 		relayUrls = nostr.AppendUnique(relayUrls, c.Args().Slice()...)
-		relays := connectToAllRelays(ctx, c, relayUrls, nil,
-			nostr.PoolOptions{
-				AuthHandler: func(ctx context.Context, authEvent *nostr.Event) error {
-					return authSigner(ctx, c, func(s string, args ...any) {}, authEvent)
-				},
-			},
-		)
+
+		sys.Pool.AuthRequiredHandler = func(ctx context.Context, authEvent *nostr.Event) error {
+			return authSigner(ctx, c, func(s string, args ...any) {}, authEvent)
+		}
+		relays := connectToAllRelays(ctx, c, relayUrls, nil)
 
 		if len(relays) == 0 {
 			if len(relayUrls) == 0 {

relay.go

@@ -24,7 +24,7 @@ var relay = &cli.Command{
 
 			info, err := nip11.Fetch(ctx, url)
 			if err != nil {
-				ctx = lineProcessingError(ctx, "failed to fetch '%s' information document: %w", url, err)
+				ctx = lineProcessingError(ctx, "failed to fetch '%s' information document: %s", url, err)
 				continue
 			}
 

req.go

@@ -1,14 +1,20 @@
 package main
 
 import (
+	"bufio"
 	"context"
 	"fmt"
+	"math"
 	"os"
 	"slices"
 	"strings"
 	"sync"
+	"time"
 
 	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/eventstore"
+	"fiatjaf.com/nostr/eventstore/slicestore"
+	"fiatjaf.com/nostr/eventstore/wrappers"
 	"fiatjaf.com/nostr/nip42"
 	"fiatjaf.com/nostr/nip77"
 	"github.com/fatih/color"
@@ -38,6 +44,19 @@ example:
 	DisableSliceFlagSeparator: true,
 	Flags: append(defaultKeyFlags,
 		append(reqFilterFlags,
+			&cli.StringFlag{
+				Name:  "jq",
+				Usage: "filter returned events with jq expression",
+			},
+			&cli.BoolFlag{
+				Name:  "no-verify",
+				Usage: "skip event signature verification from relays",
+			},
+			&cli.StringFlag{
+				Name:      "only-missing",
+				Usage:     "use nip77 negentropy to only fetch events that aren't present in the given jsonl file",
+				TakesFile: true,
+			},
 			&cli.BoolFlag{
 				Name:  "ids-only",
 				Usage: "use nip77 to fetch just a list of ids",
@@ -49,11 +68,11 @@ example:
 			},
 			&cli.BoolFlag{
 				Name:        "outbox",
-				Usage:       "use outbox relays from specified public keys",
+				Usage:       "read from \"write\" relays of \"authors\" and/or from the \"read\" relays of any \"#p\" or \"#P\" tags",
 				DefaultText: "false, will only use manually-specified relays",
 			},
 			&cli.UintFlag{
-				Name:    "outbox-relays-number",
+				Name:    "outbox-relays-per-pubkey",
 				Aliases: []string{"n"},
 				Usage:   "number of outbox relays to use for each pubkey",
 				Value:   3,
@@ -67,11 +86,6 @@ example:
 				Name:  "paginate-interval",
 				Usage: "time between queries when using --paginate",
 			},
-			&cli.UintFlag{
-				Name:        "paginate-global-limit",
-				Usage:       "global limit at which --paginate should stop",
-				DefaultText: "uses the value given by --limit/-l or infinite",
-			},
 			&cli.BoolFlag{
 				Name:  "bare",
 				Usage: "when printing the filter, print just the filter, not enveloped in a [\"REQ\", ...] array",
@@ -86,10 +100,25 @@ example:
 				Usage:    "after connecting, for a nip42 \"AUTH\" message to be received, act on it and only then send the \"REQ\"",
 				Category: CATEGORY_SIGNER,
 			},
+			&cli.BoolFlag{
+				Name:  "spell",
+				Usage: "output a spell event (kind 777) instead of a filter",
+			},
 		)...,
 	),
 	ArgsUsage: "[relay...]",
 	Action: func(ctx context.Context, c *cli.Command) error {
+		if c.Bool("no-verify") {
+			sys.Pool.RelayOptions.AssumeValid = true
+		}
+
+		negentropy := c.Bool("ids-only") || c.IsSet("only-missing")
+		if negentropy {
+			if c.Bool("paginate") || c.Bool("stream") || c.Bool("outbox") {
+				return fmt.Errorf("negentropy is incompatible with --stream, --outbox or --paginate")
+			}
+		}
+
 		if c.Bool("paginate") && c.Bool("stream") {
 			return fmt.Errorf("incompatible flags --paginate and --stream")
 		}
@@ -98,33 +127,50 @@ example:
 			return fmt.Errorf("incompatible flags --paginate and --outbox")
 		}
 
+		if c.Bool("bare") && c.Bool("spell") {
+			return fmt.Errorf("incompatible flags --bare and --spell")
+		}
+
 		relayUrls := c.Args().Slice()
-		if len(relayUrls) > 0 {
+
+		if len(relayUrls) > 0 && (c.Bool("bare") || c.Bool("spell")) {
+			return fmt.Errorf("relay URLs are incompatible with --bare or --spell")
+		}
+
+		jq, err := jqPrepare(c.String("jq"))
+		if err != nil {
+			return err
+		}
+		if jq != nil && len(relayUrls) == 0 && !c.Bool("outbox") {
+			return fmt.Errorf("--jq requires relay URLs or --outbox")
+		}
+
+		if len(relayUrls) > 0 && !negentropy {
 			// this is used both for the normal AUTH (after "auth-required:" is received) or forced pre-auth
 			// connect to all relays we expect to use in this call in parallel
 			forcePreAuthSigner := authSigner
 			if !c.Bool("force-pre-auth") {
 				forcePreAuthSigner = nil
 			}
+
+			sys.Pool.AuthRequiredHandler = func(ctx context.Context, authEvent *nostr.Event) error {
+				return authSigner(ctx, c, func(s string, args ...any) {
+					if strings.HasPrefix(s, "authenticating as") {
+						cleanUrl, _ := strings.CutPrefix(
+							nip42.GetRelayURLFromAuthEvent(*authEvent),
+							"wss://",
+						)
+						s = "authenticating to " + color.CyanString(cleanUrl) + " as" + s[len("authenticating as"):]
+					}
+					log(s+"\n", args...)
+				}, authEvent)
+			}
 			relays := connectToAllRelays(
 				ctx,
 				c,
 				relayUrls,
 				forcePreAuthSigner,
-				nostr.PoolOptions{
-					AuthHandler: func(ctx context.Context, authEvent *nostr.Event) error {
-						return authSigner(ctx, c, func(s string, args ...any) {
-							if strings.HasPrefix(s, "authenticating as") {
-								cleanUrl, _ := strings.CutPrefix(
-									nip42.GetRelayURLFromAuthEvent(*authEvent),
-									"wss://",
-								)
-								s = "authenticating to " + color.CyanString(cleanUrl) + " as" + s[len("authenticating as"):]
-							}
-							log(s+"\n", args...)
-						}, authEvent)
-					},
-				})
+			)
 
 			// stop here already if all connections failed
 			if len(relays) == 0 {
@@ -152,117 +198,92 @@ example:
 			}
 
 			if len(relayUrls) > 0 || c.Bool("outbox") {
-				if c.Bool("ids-only") {
-					seen := make(map[nostr.ID]struct{}, max(500, filter.Limit))
-					for _, url := range relayUrls {
-						ch, err := nip77.FetchIDsOnly(ctx, url, filter)
+				if negentropy {
+					store := &slicestore.SliceStore{}
+					store.Init()
+
+					if syncFile := c.String("only-missing"); syncFile != "" {
+						file, err := os.Open(syncFile)
 						if err != nil {
-							log("negentropy call to %s failed: %s", url, err)
-							continue
+							return fmt.Errorf("failed to open sync file: %w", err)
 						}
-						for id := range ch {
-							if _, ok := seen[id]; ok {
+						defer file.Close()
+						scanner := bufio.NewScanner(file)
+						scanner.Buffer(make([]byte, 16*1024*1024), 256*1024*1024)
+						for scanner.Scan() {
+							var evt nostr.Event
+							if err := easyjson.Unmarshal([]byte(scanner.Text()), &evt); err != nil {
 								continue
 							}
-							seen[id] = struct{}{}
-							stdout(id)
+							if err := store.SaveEvent(evt); err != nil {
+								if err == eventstore.ErrDupEvent {
+									continue
+								}
+								return fmt.Errorf("failed to save event from sync file: %w", err)
+							}
+						}
+						if err := scanner.Err(); err != nil {
+							return fmt.Errorf("failed to read sync file: %w", err)
+						}
+					}
+
+					target := PrintingQuerierPublisher{
+						QuerierPublisher: wrappers.StorePublisher{Store: store, MaxLimit: math.MaxInt},
+						jq:               jq,
+					}
+
+					var source nostr.Querier = nil
+					if c.IsSet("only-missing") {
+						source = target
+					}
+
+					handle := nip77.SyncEventsFromIDs
+
+					if c.Bool("ids-only") {
+						seen := make(map[nostr.ID]struct{}, max(500, filter.Limit))
+						handle = func(ctx context.Context, dir nip77.Direction) {
+							for id := range dir.Items {
+								if _, ok := seen[id]; ok {
+									continue
+								}
+								seen[id] = struct{}{}
+								stdout(id.Hex())
+							}
+						}
+					}
+
+					for _, url := range relayUrls {
+						err := nip77.NegentropySync(ctx, url, filter, source, target, handle)
+						if err != nil {
+							log("negentropy sync from %s failed: %s", url, err)
 						}
 					}
 				} else {
-					var results chan nostr.RelayEvent
-					opts := nostr.SubscriptionOptions{
-						Label: "nak-req",
-					}
-
-					if c.Bool("paginate") {
-						paginator := sys.Pool.PaginatorWithInterval(c.Duration("paginate-interval"))
-						results = paginator(ctx, relayUrls, filter, opts)
-					} else if c.Bool("outbox") {
-						defs := make([]nostr.DirectedFilter, 0, len(filter.Authors)*2)
-
-						// hardcoded relays, if any
-						for _, relayUrl := range relayUrls {
-							defs = append(defs, nostr.DirectedFilter{
-								Filter: filter,
-								Relay:  relayUrl,
-							})
-						}
-
-						// relays for each pubkey
-						errg := errgroup.Group{}
-						errg.SetLimit(16)
-						mu := sync.Mutex{}
-						for _, pubkey := range filter.Authors {
-							errg.Go(func() error {
-								n := int(c.Uint("outbox-relays-number"))
-								for _, url := range sys.FetchOutboxRelays(ctx, pubkey, n) {
-									if slices.Contains(relayUrls, url) {
-										// already hardcoded, ignore
-										continue
-									}
-									if !nostr.IsValidRelayURL(url) {
-										continue
-									}
-
-									matchUrl := func(def nostr.DirectedFilter) bool { return def.Relay == url }
-									idx := slices.IndexFunc(defs, matchUrl)
-									if idx == -1 {
-										// new relay, add it
-										mu.Lock()
-										// check again after locking to prevent races
-										idx = slices.IndexFunc(defs, matchUrl)
-										if idx == -1 {
-											// then add it
-											filter := filter.Clone()
-											filter.Authors = []nostr.PubKey{pubkey}
-											defs = append(defs, nostr.DirectedFilter{
-												Filter: filter,
-												Relay:  url,
-											})
-											mu.Unlock()
-											continue // done with this relay url
-										}
-
-										// otherwise we'll just use the idx
-										mu.Unlock()
-									}
-
-									// existing relay, add this pubkey
-									defs[idx].Authors = append(defs[idx].Authors, pubkey)
-								}
-
-								return nil
-							})
-						}
-						errg.Wait()
-
-						if c.Bool("stream") {
-							results = sys.Pool.BatchedSubscribeMany(ctx, defs, opts)
-						} else {
-							results = sys.Pool.BatchedQueryMany(ctx, defs, opts)
-						}
-					} else {
-						if c.Bool("stream") {
-							results = sys.Pool.SubscribeMany(ctx, relayUrls, filter, opts)
-						} else {
-							results = sys.Pool.FetchMany(ctx, relayUrls, filter, opts)
-						}
-					}
-
-					for ie := range results {
-						stdout(ie.Event)
+					if err := performReq(ctx, filter, relayUrls, c.Bool("stream"), c.Bool("outbox"), c.Uint("outbox-relays-per-pubkey"), c.Bool("paginate"), c.Duration("paginate-interval"), "nak-req", jq); err != nil {
+						return err
 					}
 				}
 			} else {
-				// no relays given, will just print the filter
+				// no relays given, will just print the filter or spell
 				var result string
-				if c.Bool("bare") {
+				if c.Bool("spell") {
+					// output a spell event instead of a filter
+					kr, _, err := gatherKeyerFromArguments(ctx, c)
+					if err != nil {
+						return err
+					}
+					spellEvent := createSpellEvent(ctx, filter, kr)
+					j, _ := json.Marshal(spellEvent)
+					result = string(j)
+				} else if c.Bool("bare") {
+					// bare filter output
 					result = filter.String()
 				} else {
+					// normal filter
 					j, _ := json.Marshal(nostr.ReqEnvelope{SubscriptionID: "nak", Filters: []nostr.Filter{filter}})
 					result = string(j)
-				}
 
+				}
 				stdout(result)
 			}
 		}
@@ -272,17 +293,214 @@ example:
 	},
 }
 
+func performReq(
+	ctx context.Context,
+	filter nostr.Filter,
+	relayUrls []string,
+	stream bool,
+	outbox bool,
+	outboxRelaysPerPubKey uint64,
+	paginate bool,
+	paginateInterval time.Duration,
+	label string,
+	jq jqProcessor,
+) error {
+	var results chan nostr.RelayEvent
+	var closeds chan nostr.RelayClosed
+
+	opts := nostr.SubscriptionOptions{
+		Label: label,
+	}
+
+	if paginate {
+		paginator := sys.Pool.PaginatorWithInterval(paginateInterval)
+		results = paginator(ctx, relayUrls, filter, opts)
+	} else if outbox {
+		defs := make([]nostr.DirectedFilter, 0, len(filter.Authors)*2)
+
+		pTagPubkeys := make([]nostr.PubKey, 0, 4)
+		if len(filter.Authors) == 0 && filter.Tags != nil {
+			seen := make(map[nostr.PubKey]struct{})
+			pTags := append([]string{}, filter.Tags["p"]...)
+			pTags = append(pTags, filter.Tags["P"]...)
+			for _, value := range pTags {
+				pubkey, err := parsePubKey(value)
+				if err != nil {
+					continue
+				}
+				if _, ok := seen[pubkey]; ok {
+					continue
+				}
+				seen[pubkey] = struct{}{}
+				pTagPubkeys = append(pTagPubkeys, pubkey)
+			}
+		}
+
+		for _, relayUrl := range relayUrls {
+			defs = append(defs, nostr.DirectedFilter{
+				Filter: filter,
+				Relay:  relayUrl,
+			})
+		}
+
+		if len(filter.Authors) == 0 && len(pTagPubkeys) > 0 {
+			// relays for p tags when no authors are given
+			errg := errgroup.Group{}
+			errg.SetLimit(16)
+			mu := sync.Mutex{}
+			logverbose("gathering inbox relays for %d p-tags...\n", len(pTagPubkeys))
+			for _, pubkey := range pTagPubkeys {
+				errg.Go(func() error {
+					n := int(outboxRelaysPerPubKey)
+					for _, url := range sys.FetchInboxRelays(ctx, pubkey, n) {
+						if slices.Contains(relayUrls, url) {
+							// already specified globally, ignore
+							continue
+						}
+						if !nostr.IsValidRelayURL(url) {
+							continue
+						}
+
+						matchUrl := func(def nostr.DirectedFilter) bool { return def.Relay == url }
+						idx := slices.IndexFunc(defs, matchUrl)
+						if idx == -1 {
+							// new relay, add it
+							mu.Lock()
+							idx = slices.IndexFunc(defs, matchUrl)
+							if idx == -1 {
+								defs = append(defs, nostr.DirectedFilter{
+									Filter: filter,
+									Relay:  url,
+								})
+								mu.Unlock()
+								continue
+							}
+							mu.Unlock()
+						}
+					}
+
+					return nil
+				})
+			}
+			errg.Wait()
+		} else {
+			// relays for each pubkey
+			errg := errgroup.Group{}
+			errg.SetLimit(16)
+			mu := sync.Mutex{}
+			logverbose("gathering outbox relays for %d authors...\n", len(filter.Authors))
+			for _, pubkey := range filter.Authors {
+				errg.Go(func() error {
+					n := int(outboxRelaysPerPubKey)
+					for _, url := range sys.FetchOutboxRelays(ctx, pubkey, n) {
+						if slices.Contains(relayUrls, url) {
+							// already specified globally, ignore
+							continue
+						}
+						if !nostr.IsValidRelayURL(url) {
+							continue
+						}
+
+						matchUrl := func(def nostr.DirectedFilter) bool { return def.Relay == url }
+						idx := slices.IndexFunc(defs, matchUrl)
+						if idx == -1 {
+							// new relay, add it
+							mu.Lock()
+							// check again after locking to prevent races
+							idx = slices.IndexFunc(defs, matchUrl)
+							if idx == -1 {
+								// then add it
+								filter := filter.Clone()
+								filter.Authors = []nostr.PubKey{pubkey}
+								defs = append(defs, nostr.DirectedFilter{
+									Filter: filter,
+									Relay:  url,
+								})
+								mu.Unlock()
+								continue // done with this relay url
+							}
+
+							// otherwise we'll just use the idx
+							mu.Unlock()
+						}
+
+						// existing relay, add this pubkey
+						defs[idx].Authors = append(defs[idx].Authors, pubkey)
+					}
+
+					return nil
+				})
+			}
+			errg.Wait()
+		}
+
+		if stream {
+			logverbose("running subscription with %d directed filters...\n", len(defs))
+			results, closeds = sys.Pool.BatchedSubscribeManyNotifyClosed(ctx, defs, opts)
+		} else {
+			logverbose("running query with %d directed filters...\n", len(defs))
+			results, closeds = sys.Pool.BatchedQueryManyNotifyClosed(ctx, defs, opts)
+		}
+	} else {
+		if stream {
+			logverbose("running subscription to %d relays...\n", len(relayUrls))
+			results, closeds = sys.Pool.SubscribeManyNotifyClosed(ctx, relayUrls, filter, opts)
+		} else {
+			logverbose("running query to %d relays...\n", len(relayUrls))
+			results, closeds = sys.Pool.FetchManyNotifyClosed(ctx, relayUrls, filter, opts)
+		}
+	}
+
+readevents:
+	for {
+		select {
+		case ie, stillOpen := <-results:
+			if !stillOpen {
+				break readevents
+			}
+
+			var out string
+			if jq == nil {
+				out = ie.Event.String()
+			} else {
+				v, matches, err := jq(ie.Event)
+				if err != nil {
+					return fmt.Errorf("jq filter failed: %w", err)
+				}
+				if !matches {
+					continue
+				}
+				out, _ = json.MarshalToString(v)
+			}
+			stdout(out)
+
+		case closed, stillOpen := <-closeds:
+			if stillOpen {
+				if closed.HandledAuth {
+					logverbose("%s CLOSED: %s\n", closed.Relay.URL, closed.Reason)
+				} else {
+					log("%s CLOSED: %s\n", closed.Relay.URL, closed.Reason)
+				}
+			}
+		case <-ctx.Done():
+			break readevents
+		}
+	}
+
+	return nil
+}
+
 var reqFilterFlags = []cli.Flag{
-	&PubKeySliceFlag{
+	&PubKeyOrAddressFlag{
 		Name:     "author",
 		Aliases:  []string{"a"},
-		Usage:    "only accept events from these authors (pubkey as hex)",
+		Usage:    "only accept events from these authors",
 		Category: CATEGORY_FILTER_ATTRIBUTES,
 	},
 	&IDSliceFlag{
 		Name:     "id",
 		Aliases:  []string{"i"},
-		Usage:    "only accept events with these ids (hex)",
+		Usage:    "only accept events with these ids",
 		Category: CATEGORY_FILTER_ATTRIBUTES,
 	},
 	&cli.IntSliceFlag{
@@ -312,6 +530,11 @@ var reqFilterFlags = []cli.Flag{
 		Usage:    "shortcut for --tag d=<value>",
 		Category: CATEGORY_FILTER_ATTRIBUTES,
 	},
+	&cli.StringSliceFlag{
+		Name:     "h",
+		Usage:    "shortcut for --tag h=<value>",
+		Category: CATEGORY_FILTER_ATTRIBUTES,
+	},
 	&NaturalTimeFlag{
 		Name:     "since",
 		Aliases:  []string{"s"},
@@ -337,10 +560,30 @@ var reqFilterFlags = []cli.Flag{
 	},
 }
 
+type flagTag struct {
+	key   string
+	value string
+}
+
 func applyFlagsToFilter(c *cli.Command, filter *nostr.Filter) error {
-	if authors := getPubKeySlice(c, "author"); len(authors) > 0 {
-		filter.Authors = append(filter.Authors, authors...)
+	tags := make([]flagTag, 0, 5)
+
+	if as := getPubKeyOrAddressSlice(c, "author"); len(as) > 0 {
+		for _, author := range as {
+
+			// is it an address?
+			if author.Addr != nil {
+				tags = append(tags, flagTag{"a", author.Addr.AsTagReference()})
+				continue
+			}
+
+			// or is it an "author" pubkey?
+			if author.PubKey != nostr.ZeroPK {
+				filter.Authors = append(filter.Authors, author.PubKey)
+			}
+		}
 	}
+
 	if ids := getIDSlice(c, "id"); len(ids) > 0 {
 		filter.IDs = append(filter.IDs, ids...)
 	}
@@ -350,23 +593,30 @@ func applyFlagsToFilter(c *cli.Command, filter *nostr.Filter) error {
 	if search := c.String("search"); search != "" {
 		filter.Search = search
 	}
-	tags := make([][]string, 0, 5)
+
 	for _, tagFlag := range c.StringSlice("tag") {
 		spl := strings.SplitN(tagFlag, "=", 2)
 		if len(spl) == 2 {
-			tags = append(tags, spl)
+			val := spl[1]
+			if len(spl[0]) == 1 {
+				val = decodeTagValue(val, rune(spl[0][0]))
+			}
+			tags = append(tags, flagTag{spl[0], val})
 		} else {
 			return fmt.Errorf("invalid --tag '%s'", tagFlag)
 		}
 	}
 	for _, etag := range c.StringSlice("e") {
-		tags = append(tags, []string{"e", etag})
+		tags = append(tags, flagTag{"e", decodeTagValue(etag, 'e')})
 	}
 	for _, ptag := range c.StringSlice("p") {
-		tags = append(tags, []string{"p", ptag})
+		tags = append(tags, flagTag{"p", decodeTagValue(ptag, 'p')})
 	}
 	for _, dtag := range c.StringSlice("d") {
-		tags = append(tags, []string{"d", dtag})
+		tags = append(tags, flagTag{"d", dtag})
+	}
+	for _, htag := range c.StringSlice("h") {
+		tags = append(tags, flagTag{"h", htag})
 	}
 
 	if len(tags) > 0 && filter.Tags == nil {
@@ -374,10 +624,10 @@ func applyFlagsToFilter(c *cli.Command, filter *nostr.Filter) error {
 	}
 
 	for _, tag := range tags {
-		if _, ok := filter.Tags[tag[0]]; !ok {
-			filter.Tags[tag[0]] = make([]string, 0, 3)
+		if _, ok := filter.Tags[tag.key]; !ok {
+			filter.Tags[tag.key] = make([]string, 0, 3)
 		}
-		filter.Tags[tag[0]] = append(filter.Tags[tag[0]], tag[1])
+		filter.Tags[tag.key] = append(filter.Tags[tag.key], tag.value)
 	}
 
 	if c.IsSet("since") {
@@ -395,3 +645,32 @@ func applyFlagsToFilter(c *cli.Command, filter *nostr.Filter) error {
 
 	return nil
 }
+
+type PrintingQuerierPublisher struct {
+	nostr.QuerierPublisher
+	jq jqProcessor
+}
+
+func (p PrintingQuerierPublisher) Publish(ctx context.Context, evt nostr.Event) error {
+	if err := p.QuerierPublisher.Publish(ctx, evt); err == nil {
+		var out string
+		if p.jq == nil {
+			out = evt.String()
+		} else {
+			v, matches, err := p.jq(evt)
+			if err != nil {
+				return fmt.Errorf("jq filter failed: %w", err)
+			}
+			if !matches {
+				return nil
+			}
+			out, _ = json.MarshalToString(v)
+		}
+		stdout(out)
+		return nil
+	} else if err == eventstore.ErrDupEvent {
+		return nil
+	} else {
+		return err
+	}
+}

serve.go

@@ -2,17 +2,27 @@ package main
 
 import (
 	"bufio"
+	"bytes"
 	"context"
 	"fmt"
+	"io"
+	"net"
+	"net/http"
+	"net/url"
 	"os"
+	"path/filepath"
+	"strconv"
 	"sync/atomic"
 	"time"
 
 	"fiatjaf.com/nostr"
 	"fiatjaf.com/nostr/eventstore/slicestore"
 	"fiatjaf.com/nostr/khatru"
+	"fiatjaf.com/nostr/khatru/blossom"
+	"fiatjaf.com/nostr/khatru/grasp"
 	"github.com/bep/debounce"
 	"github.com/fatih/color"
+	"github.com/puzpuzpuz/xsync/v3"
 	"github.com/urfave/cli/v3"
 )
 
@@ -36,10 +46,31 @@ var serve = &cli.Command{
 			Usage:       "file containing the initial batch of events that will be served by the relay as newline-separated JSON (jsonl)",
 			DefaultText: "the relay will start empty",
 		},
+		&cli.BoolFlag{
+			Name:  "negentropy",
+			Usage: "enable negentropy syncing",
+		},
+		&cli.BoolFlag{
+			Name:  "grasp",
+			Usage: "enable grasp server",
+		},
+		&cli.StringFlag{
+			Name:      "grasp-path",
+			Usage:     "where to store the repositories",
+			TakesFile: true,
+			Hidden:    true,
+		},
+		&cli.BoolFlag{
+			Name:  "blossom",
+			Usage: "enable blossom server",
+		},
 	},
 	Action: func(ctx context.Context, c *cli.Command) error {
 		db := &slicestore.SliceStore{}
 
+		var blobStore *xsync.MapOf[string, []byte]
+		var repoDir string
+
 		var scanner *bufio.Scanner
 		if path := c.String("events"); path != "" {
 			f, err := os.Open(path)
@@ -71,24 +102,138 @@ var serve = &cli.Command{
 		rl.Info.Software = "https://github.com/fiatjaf/nak"
 		rl.Info.Version = version
 
-		rl.UseEventstore(db, 1_000_000)
+		rl.UseEventstore(db, 500)
+
+		if c.Bool("negentropy") {
+			rl.Negentropy = true
+		}
 
-		started := make(chan bool)
 		exited := make(chan error)
 
 		hostname := c.String("hostname")
 		port := int(c.Uint("port"))
 
-		go func() {
-			err := rl.Start(hostname, port, started)
-			exited <- err
-		}()
+		totalConnections := atomic.Int32{}
+		rl.OnConnect = func(ctx context.Context) {
+			totalConnections.Add(1)
+			go func() {
+				<-ctx.Done()
+				totalConnections.Add(-1)
+			}()
+		}
 
+		d := debounce.New(time.Second * 2)
 		var printStatus func()
+		printStatus = func() {
+			d(func() {
+				totalEvents, err := db.CountEvents(nostr.Filter{})
+				if err != nil {
+					log("failed to count: %s\n", err)
+				}
+				subs := rl.GetListeningFilters()
+
+				blossomMsg := ""
+				if c.Bool("blossom") {
+					blobsStored := blobStore.Size()
+					blossomMsg = fmt.Sprintf("blobs: %s, ",
+						color.HiMagentaString("%d", blobsStored),
+					)
+				}
+
+				graspMsg := ""
+				if c.Bool("grasp") {
+					gitAnnounced := 0
+					gitStored := 0
+					for evt := range db.QueryEvents(nostr.Filter{Kinds: []nostr.Kind{nostr.Kind(30617)}}, 500) {
+						gitAnnounced++
+						identifier := evt.Tags.GetD()
+						if info, err := os.Stat(filepath.Join(repoDir, identifier)); err == nil && info.IsDir() {
+							gitStored++
+						}
+					}
+					graspMsg = fmt.Sprintf("git announced: %s, git stored: %s, ",
+						color.HiMagentaString("%d", gitAnnounced),
+						color.HiMagentaString("%d", gitStored),
+					)
+				}
+
+				log("  %s events: %s, %s%sconnections: %s, subscriptions: %s\n",
+					color.HiMagentaString("•"),
+					color.HiMagentaString("%d", totalEvents),
+					blossomMsg,
+					graspMsg,
+					color.HiMagentaString("%d", totalConnections.Load()),
+					color.HiMagentaString("%d", len(subs)),
+				)
+			})
+		}
+
+		if c.Bool("blossom") {
+			bs := blossom.New(rl, fmt.Sprintf("http://%s:%d", hostname, port))
+			bs.Store = blossom.NewMemoryBlobIndex()
+
+			blobStore = xsync.NewMapOf[string, []byte]()
+			bs.StoreBlob = func(ctx context.Context, sha256 string, ext string, body []byte) error {
+				blobStore.Store(sha256+ext, body)
+				log("    got %s %s\n", color.GreenString("blob stored"), sha256+ext)
+				printStatus()
+				return nil
+			}
+			bs.LoadBlob = func(ctx context.Context, sha256 string, ext string) (io.ReadSeeker, *url.URL, error) {
+				if body, ok := blobStore.Load(sha256 + ext); ok {
+					log("    got %s %s\n", color.BlueString("blob downloaded"), sha256+ext)
+					printStatus()
+					return bytes.NewReader(body), nil, nil
+				}
+				return nil, nil, nil
+			}
+			bs.DeleteBlob = func(ctx context.Context, sha256 string, ext string) error {
+				blobStore.Delete(sha256 + ext)
+				log("    got %s %s\n", color.RedString("blob deleted"), sha256+ext)
+				printStatus()
+				return nil
+			}
+		}
+
+		if c.Bool("grasp") {
+			repoDir = c.String("grasp-path")
+			if repoDir == "" {
+				var err error
+				repoDir, err = os.MkdirTemp("", "nak-serve-grasp-repos-")
+				if err != nil {
+					return fmt.Errorf("failed to create grasp repos directory: %w", err)
+				}
+			}
+			g := grasp.New(rl, repoDir)
+			g.OnRead = func(ctx context.Context, pubkey nostr.PubKey, repo string) (reject bool, reason string) {
+				log("    got %s %s %s\n", color.CyanString("git read"), pubkey.Hex(), repo)
+				printStatus()
+				return false, ""
+			}
+			g.OnWrite = func(ctx context.Context, pubkey nostr.PubKey, repo string) (reject bool, reason string) {
+				log("    got %s %s %s\n", color.YellowString("git write"), pubkey.Hex(), repo)
+				printStatus()
+				return false, ""
+			}
+		}
+
+		ln, err := net.Listen("tcp", net.JoinHostPort(hostname, strconv.Itoa(port)))
+		if err != nil {
+			return err
+		}
+
+		go func() {
+			exited <- http.Serve(ln, rl)
+		}()
 
 		// relay logging
 		rl.OnRequest = func(ctx context.Context, filter nostr.Filter) (reject bool, msg string) {
-			log("    got %s %v\n", color.HiYellowString("request"), colors.italic(filter))
+			negentropy := ""
+			if khatru.IsNegentropySession(ctx) {
+				negentropy = color.HiBlueString("negentropy ")
+			}
+
+			log("    got %s%s %v\n", negentropy, color.HiYellowString("request"), colors.italic(filter))
 			printStatus()
 			return false, ""
 		}
@@ -105,35 +250,11 @@ var serve = &cli.Command{
 			return false, ""
 		}
 
-		totalConnections := atomic.Int32{}
-		rl.OnConnect = func(ctx context.Context) {
-			totalConnections.Add(1)
-			go func() {
-				<-ctx.Done()
-				totalConnections.Add(-1)
-			}()
+		log("%s relay running at %s", color.HiRedString(">"), colors.boldf("ws://%s:%d", hostname, port))
+		if c.Bool("grasp") {
+			log(" (grasp repos at %s)", repoDir)
 		}
-
-		d := debounce.New(time.Second * 2)
-		printStatus = func() {
-			d(func() {
-				totalEvents, err := db.CountEvents(nostr.Filter{})
-				if err != nil {
-					log("failed to count: %s\n", err)
-				}
-				subs := rl.GetListeningFilters()
-
-				log("  %s events: %s, connections: %s, subscriptions: %s\n",
-					color.HiMagentaString("•"),
-					color.HiMagentaString("%d", totalEvents),
-					color.HiMagentaString("%d", totalConnections.Load()),
-					color.HiMagentaString("%d", len(subs)),
-				)
-			})
-		}
-
-		<-started
-		log("%s relay running at %s\n", color.HiRedString(">"), colors.boldf("ws://%s:%d", hostname, port))
+		log("\n")
 
 		return <-exited
 	},

spell.go

@@ -0,0 +1,536 @@
+package main
+
+import (
+	"bufio"
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"time"
+
+	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/nip19"
+	"fiatjaf.com/nostr/sdk/hints"
+	"github.com/fatih/color"
+	"github.com/markusmobius/go-dateparser"
+	"github.com/urfave/cli/v3"
+)
+
+var spell = &cli.Command{
+	Name:        "spell",
+	Usage:       "downloads a spell event and executes its REQ request",
+	ArgsUsage:   "[nevent_code]",
+	Description: `fetches a spell event (kind 777) and executes REQ command encoded in its tags.`,
+	Flags: append(defaultKeyFlags,
+		&cli.StringFlag{
+			Name:  "pub",
+			Usage: "public key to run spells in the context of (if you don't want to pass a --sec)",
+		},
+		&cli.UintFlag{
+			Name:    "outbox-relays-per-pubkey",
+			Aliases: []string{"n"},
+			Usage:   "number of outbox relays to use for each pubkey",
+			Value:   3,
+		},
+	),
+	Action: func(ctx context.Context, c *cli.Command) error {
+		configPath := c.String("config-path")
+		os.MkdirAll(filepath.Join(configPath, "spells"), 0755)
+
+		// load history from file
+		var history []SpellHistoryEntry
+		historyPath := filepath.Join(configPath, "spells/history")
+		file, err := os.Open(historyPath)
+		if err == nil {
+			defer file.Close()
+			scanner := bufio.NewScanner(file)
+			for scanner.Scan() {
+				var entry SpellHistoryEntry
+				if err := json.Unmarshal([]byte(scanner.Text()), &entry); err != nil {
+					continue // skip invalid entries
+				}
+				history = append(history, entry)
+			}
+		}
+
+		if c.Args().Len() == 0 {
+			// check if we have input from stdin
+			for stdinEvent := range getJsonsOrBlank() {
+				if stdinEvent == "{}" {
+					break
+				}
+
+				var spell nostr.Event
+				if err := json.Unmarshal([]byte(stdinEvent), &spell); err != nil {
+					return fmt.Errorf("failed to parse spell event from stdin: %w", err)
+				}
+				if spell.Kind != 777 {
+					return fmt.Errorf("event is not a spell (expected kind 777, got %d)", spell.Kind)
+				}
+
+				return runSpell(ctx, c, historyPath, history, nostr.EventPointer{ID: spell.ID}, spell)
+			}
+
+			// no stdin input, show recent spells
+			log("recent spells:\n")
+			for i, entry := range history {
+				if i >= 10 {
+					break
+				}
+
+				displayName := entry.Name
+				if displayName == "" {
+					displayName = clampWithEllipsis(entry.Content, 28)
+				}
+				if displayName != "" {
+					displayName = color.HiMagentaString(displayName) + ": "
+				}
+
+				desc := clampWithEllipsis(entry.Content, 50)
+
+				lastUsed := entry.LastUsed.Format("2006-01-02 15:04")
+				stdout(fmt.Sprintf("  %s %s%s - %s",
+					color.BlueString(entry.Identifier),
+					displayName,
+					color.YellowString(lastUsed),
+					desc,
+				))
+			}
+
+			return nil
+		}
+
+		// decode nevent to get the spell event
+		var pointer nostr.EventPointer
+		identifier := c.Args().First()
+		prefix, value, err := nip19.Decode(identifier)
+		if err == nil {
+			if prefix != "nevent" {
+				return fmt.Errorf("expected nevent code, got %s", prefix)
+			}
+			pointer = value.(nostr.EventPointer)
+		} else {
+			// search our history
+			for _, entry := range history {
+				if entry.Identifier == identifier || entry.Name == identifier {
+					pointer = entry.Pointer
+					break
+				}
+			}
+		}
+
+		if pointer.ID == nostr.ZeroID {
+			return fmt.Errorf("invalid spell reference")
+		}
+
+		// first try to fetch spell from sys.Store
+		var spell nostr.Event
+		found := false
+		for evt := range sys.Store.QueryEvents(nostr.Filter{IDs: []nostr.ID{pointer.ID}}, 1) {
+			spell = evt
+			found = true
+			break
+		}
+
+		var relays []string
+		if !found {
+			// if not found in store, fetch from external relays
+			relays = pointer.Relays
+			if pointer.Author != nostr.ZeroPK {
+				for _, url := range relays {
+					sys.Hints.Save(pointer.Author, nostr.NormalizeURL(url), hints.LastInHint, nostr.Now())
+				}
+				relays = append(relays, sys.FetchOutboxRelays(ctx, pointer.Author, 3)...)
+			}
+			result := sys.Pool.QuerySingle(ctx, relays, nostr.Filter{IDs: []nostr.ID{pointer.ID}},
+				nostr.SubscriptionOptions{Label: "nak-spell-f"})
+			if result == nil {
+				return fmt.Errorf("spell event not found")
+			}
+			spell = result.Event
+		}
+		if spell.Kind != 777 {
+			return fmt.Errorf("event is not a spell (expected kind 777, got %d)", spell.Kind)
+		}
+
+		return runSpell(ctx, c, historyPath, history, pointer, spell)
+	},
+}
+
+func runSpell(
+	ctx context.Context,
+	c *cli.Command,
+	historyPath string,
+	history []SpellHistoryEntry,
+	pointer nostr.EventPointer,
+	spell nostr.Event,
+) error {
+	// parse spell tags to build REQ filter
+	spellFilter, err := buildSpellReq(ctx, c, spell.Tags)
+	if err != nil {
+		return fmt.Errorf("failed to parse spell tags: %w", err)
+	}
+
+	// determine relays to query
+	var spellRelays []string
+	var outbox bool
+	relaysTag := spell.Tags.Find("relays")
+	if relaysTag == nil {
+		// if this tag doesn't exist assume $outbox
+		relaysTag = nostr.Tag{"relays", "$outbox"}
+	}
+	for i := 1; i < len(relaysTag); i++ {
+		switch relaysTag[i] {
+		case "$outbox":
+			outbox = true
+		default:
+			spellRelays = append(spellRelays, relaysTag[i])
+		}
+	}
+
+	stream := !spell.Tags.Has("close-on-eose")
+
+	// fill in the author if we didn't have it
+	pointer.Author = spell.PubKey
+
+	// save spell to sys.Store
+	if err := sys.Store.SaveEvent(spell); err != nil {
+		logverbose("failed to save spell to store: %v\n", err)
+	}
+
+	// add to history before execution
+	{
+		idStr := nip19.EncodeNevent(spell.ID, nil, nostr.ZeroPK)
+		identifier := "spell" + idStr[len(idStr)-7:]
+		nameTag := spell.Tags.Find("name")
+		var name string
+		if nameTag != nil {
+			name = nameTag[1]
+		}
+		if len(history) > 100 {
+			history = history[:100]
+		}
+		// write back to file
+		file, err := os.Create(historyPath)
+		if err != nil {
+			return err
+		}
+		data, _ := json.Marshal(SpellHistoryEntry{
+			Identifier: identifier,
+			Name:       name,
+			Content:    spell.Content,
+			LastUsed:   time.Now(),
+			Pointer:    pointer,
+		})
+		file.Write(data)
+		file.Write([]byte{'\n'})
+		for i, entry := range history {
+			if entry.Identifier == identifier {
+				continue
+			}
+
+			data, _ := json.Marshal(entry)
+			file.Write(data)
+			file.Write([]byte{'\n'})
+
+			// limit history size (keep last 100)
+			if i == 100 {
+				break
+			}
+		}
+		file.Close()
+
+		logverbose("executing %s: %s relays=%v outbox=%v stream=%v\n",
+			identifier, spellFilter, spellRelays, outbox, stream)
+	}
+
+	// execute
+	logSpellDetails(spell)
+	if err := performReq(ctx, spellFilter, spellRelays, stream, outbox, c.Uint("outbox-relays-per-pubkey"), false, 0, "nak-spell", nil); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func buildSpellReq(ctx context.Context, c *cli.Command, tags nostr.Tags) (nostr.Filter, error) {
+	filter := nostr.Filter{}
+
+	getMe := func() (nostr.PubKey, error) {
+		if !c.IsSet("sec") && !c.IsSet("prompt-sec") && c.IsSet("pub") {
+			return parsePubKey(c.String("pub"))
+		}
+
+		kr, _, err := gatherKeyerFromArguments(ctx, c)
+		if err != nil {
+			return nostr.ZeroPK, fmt.Errorf("failed to get keyer: %w", err)
+		}
+
+		pubkey, err := kr.GetPublicKey(ctx)
+		if err != nil {
+			return nostr.ZeroPK, fmt.Errorf("failed to get public key from keyer: %w", err)
+		}
+
+		return pubkey, nil
+	}
+
+	for _, tag := range tags {
+		if len(tag) == 0 {
+			continue
+		}
+
+		switch tag[0] {
+		case "cmd":
+			if len(tag) < 2 || tag[1] != "REQ" {
+				return nostr.Filter{}, fmt.Errorf("only REQ commands are supported")
+			}
+
+		case "k":
+			for i := 1; i < len(tag); i++ {
+				if kind, err := strconv.Atoi(tag[i]); err == nil {
+					filter.Kinds = append(filter.Kinds, nostr.Kind(kind))
+				}
+			}
+
+		case "authors":
+			for i := 1; i < len(tag); i++ {
+				switch tag[i] {
+				case "$me":
+					me, err := getMe()
+					if err != nil {
+						return nostr.Filter{}, err
+					}
+					filter.Authors = append(filter.Authors, me)
+				case "$contacts":
+					me, err := getMe()
+					if err != nil {
+						return nostr.Filter{}, err
+					}
+					for _, f := range sys.FetchFollowList(ctx, me).Items {
+						filter.Authors = append(filter.Authors, f.Pubkey)
+					}
+				default:
+					pubkey, err := nostr.PubKeyFromHex(tag[i])
+					if err != nil {
+						return nostr.Filter{}, fmt.Errorf("invalid pubkey '%s' in 'authors': %w", tag[i], err)
+					}
+					filter.Authors = append(filter.Authors, pubkey)
+				}
+			}
+
+		case "ids":
+			for i := 1; i < len(tag); i++ {
+				id, err := nostr.IDFromHex(tag[i])
+				if err != nil {
+					return nostr.Filter{}, fmt.Errorf("invalid  id '%s' in 'authors': %w", tag[i], err)
+				}
+				filter.IDs = append(filter.IDs, id)
+			}
+
+		case "tag":
+			if len(tag) < 3 {
+				continue
+			}
+			tagName := tag[1]
+			if filter.Tags == nil {
+				filter.Tags = make(nostr.TagMap)
+			}
+			for i := 2; i < len(tag); i++ {
+				switch tag[i] {
+				case "$me":
+					me, err := getMe()
+					if err != nil {
+						return nostr.Filter{}, err
+					}
+					filter.Tags[tagName] = append(filter.Tags[tagName], me.Hex())
+				case "$contacts":
+					me, err := getMe()
+					if err != nil {
+						return nostr.Filter{}, err
+					}
+					for _, f := range sys.FetchFollowList(ctx, me).Items {
+						filter.Tags[tagName] = append(filter.Tags[tagName], f.Pubkey.Hex())
+					}
+				default:
+					filter.Tags[tagName] = append(filter.Tags[tagName], tag[i])
+				}
+			}
+
+		case "limit":
+			if len(tag) >= 2 {
+				if limit, err := strconv.Atoi(tag[1]); err == nil {
+					filter.Limit = limit
+				}
+			}
+
+		case "since":
+			if len(tag) >= 2 {
+				date, err := dateparser.Parse(&dateparser.Configuration{
+					DefaultTimezone: time.Local,
+					CurrentTime:     time.Now(),
+				}, tag[1])
+				if err != nil {
+					return nostr.Filter{}, fmt.Errorf("invalid date %s: %w", tag[1], err)
+				}
+				filter.Since = nostr.Timestamp(date.Time.Unix())
+			}
+
+		case "until":
+			if len(tag) >= 2 {
+				date, err := dateparser.Parse(&dateparser.Configuration{
+					DefaultTimezone: time.Local,
+					CurrentTime:     time.Now(),
+				}, tag[1])
+				if err != nil {
+					return nostr.Filter{}, fmt.Errorf("invalid date %s: %w", tag[1], err)
+				}
+				filter.Until = nostr.Timestamp(date.Time.Unix())
+			}
+
+		case "search":
+			if len(tag) >= 2 {
+				filter.Search = tag[1]
+			}
+		}
+	}
+
+	return filter, nil
+}
+
+func parseRelativeTime(timeStr string) (nostr.Timestamp, error) {
+	// Handle special cases
+	switch timeStr {
+	case "now":
+		return nostr.Now(), nil
+	}
+
+	// Try to parse as relative time (e.g., "7d", "1h", "30m")
+	if strings.HasSuffix(timeStr, "d") {
+		days := strings.TrimSuffix(timeStr, "d")
+		if daysInt, err := strconv.Atoi(days); err == nil {
+			return nostr.Now() - nostr.Timestamp(daysInt*24*60*60), nil
+		}
+	} else if strings.HasSuffix(timeStr, "h") {
+		hours := strings.TrimSuffix(timeStr, "h")
+		if hoursInt, err := strconv.Atoi(hours); err == nil {
+			return nostr.Now() - nostr.Timestamp(hoursInt*60*60), nil
+		}
+	} else if strings.HasSuffix(timeStr, "m") {
+		minutes := strings.TrimSuffix(timeStr, "m")
+		if minutesInt, err := strconv.Atoi(minutes); err == nil {
+			return nostr.Now() - nostr.Timestamp(minutesInt*60), nil
+		}
+	}
+
+	// try to parse as direct timestamp
+	if ts, err := strconv.ParseInt(timeStr, 10, 64); err == nil {
+		return nostr.Timestamp(ts), nil
+	}
+
+	return 0, fmt.Errorf("invalid time format: %s", timeStr)
+}
+
+type SpellHistoryEntry struct {
+	Identifier string             `json:"_id"`
+	Name       string             `json:"name,omitempty"`
+	Content    string             `json:"content,omitempty"`
+	LastUsed   time.Time          `json:"last_used"`
+	Pointer    nostr.EventPointer `json:"pointer"`
+}
+
+func logSpellDetails(spell nostr.Event) {
+	nameTag := spell.Tags.Find("name")
+	name := ""
+	if nameTag != nil {
+		name = clampWithEllipsis(nameTag[1], 28)
+	}
+	if name != "" {
+		name = ": " + color.HiMagentaString(name)
+	}
+
+	desc := clampWithEllipsis(spell.Content, 50)
+	idStr := nip19.EncodeNevent(spell.ID, nil, nostr.ZeroPK)
+	identifier := "spell" + idStr[len(idStr)-7:]
+
+	log("running %s%s - %s\n",
+		color.BlueString(identifier),
+		name,
+		desc,
+	)
+}
+
+func createSpellEvent(ctx context.Context, filter nostr.Filter, kr nostr.Keyer) nostr.Event {
+	spell := nostr.Event{
+		Kind: 777,
+		Tags: make(nostr.Tags, 0),
+	}
+
+	// add cmd tag
+	spell.Tags = append(spell.Tags, nostr.Tag{"cmd", "REQ"})
+
+	// add kinds
+	if len(filter.Kinds) > 0 {
+		kindTag := nostr.Tag{"k"}
+		for _, kind := range filter.Kinds {
+			kindTag = append(kindTag, strconv.Itoa(int(kind)))
+		}
+		spell.Tags = append(spell.Tags, kindTag)
+	}
+
+	// add authors
+	if len(filter.Authors) > 0 {
+		authorsTag := nostr.Tag{"authors"}
+		for _, author := range filter.Authors {
+			authorsTag = append(authorsTag, author.Hex())
+		}
+		spell.Tags = append(spell.Tags, authorsTag)
+	}
+
+	// add ids
+	if len(filter.IDs) > 0 {
+		idsTag := nostr.Tag{"ids"}
+		for _, id := range filter.IDs {
+			idsTag = append(idsTag, id.Hex())
+		}
+		spell.Tags = append(spell.Tags, idsTag)
+	}
+
+	// add tags
+	for tagName, values := range filter.Tags {
+		if len(values) > 0 {
+			tag := nostr.Tag{"tag", tagName}
+			for _, value := range values {
+				tag = append(tag, value)
+			}
+			spell.Tags = append(spell.Tags, tag)
+		}
+	}
+
+	// add limit
+	if filter.Limit > 0 {
+		spell.Tags = append(spell.Tags, nostr.Tag{"limit", strconv.Itoa(filter.Limit)})
+	}
+
+	// add since
+	if filter.Since > 0 {
+		spell.Tags = append(spell.Tags, nostr.Tag{"since", strconv.FormatInt(int64(filter.Since), 10)})
+	}
+
+	// add until
+	if filter.Until > 0 {
+		spell.Tags = append(spell.Tags, nostr.Tag{"until", strconv.FormatInt(int64(filter.Until), 10)})
+	}
+
+	// add search
+	if filter.Search != "" {
+		spell.Tags = append(spell.Tags, nostr.Tag{"search", filter.Search})
+	}
+
+	if err := kr.SignEvent(ctx, &spell); err != nil {
+		log("failed to sign spell: %s\n", err)
+	}
+
+	return spell
+}

sync.go

@@ -0,0 +1,464 @@
+package main
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"fmt"
+	"sync"
+
+	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/nip77"
+	"fiatjaf.com/nostr/nip77/negentropy"
+	"fiatjaf.com/nostr/nip77/negentropy/storage"
+	"github.com/urfave/cli/v3"
+)
+
+var syncCmd = &cli.Command{
+	Name:        "sync",
+	Usage:       "sync events between two relays using negentropy",
+	Description: `uses nip77 negentropy to sync events between two relays`,
+	ArgsUsage:   "<relay1> <relay2>",
+	Flags:       reqFilterFlags,
+	Action: func(ctx context.Context, c *cli.Command) error {
+		args := c.Args().Slice()
+		if len(args) != 2 {
+			return fmt.Errorf("need exactly two relay URLs: source and target")
+		}
+
+		filter := nostr.Filter{}
+		if err := applyFlagsToFilter(c, &filter); err != nil {
+			return err
+		}
+
+		peerA, err := NewRelayThirdPartyRemote(ctx, args[0])
+		if err != nil {
+			return fmt.Errorf("error setting up %s: %w", args[0], err)
+		}
+
+		peerB, err := NewRelayThirdPartyRemote(ctx, args[1])
+		if err != nil {
+			return fmt.Errorf("error setting up %s: %w", args[1], err)
+		}
+
+		tpn := NewThirdPartyNegentropy(
+			peerA,
+			peerB,
+			filter,
+		)
+
+		wg := sync.WaitGroup{}
+
+		wg.Go(func() {
+			err = tpn.Run(ctx)
+		})
+
+		wg.Go(func() {
+			type op struct {
+				src *nostr.Relay
+				dst *nostr.Relay
+				ids []nostr.ID
+			}
+
+			pending := []op{
+				{peerA.relay, peerB.relay, make([]nostr.ID, 0, 30)},
+				{peerB.relay, peerA.relay, make([]nostr.ID, 0, 30)},
+			}
+
+			for delta := range tpn.Deltas {
+				have := delta.Have.relay
+				havenot := delta.HaveNot.relay
+				logverbose("%s has %s, %s doesn't.\n", have.URL, delta.ID.Hex(), havenot.URL)
+
+				idx := 0 // peerA
+				if have == peerB.relay {
+					idx = 1 // peerB
+				}
+				pending[idx].ids = append(pending[idx].ids, delta.ID)
+
+				// every 30 ids do a fetch-and-publish
+				if len(pending[idx].ids) == 30 {
+					for evt := range pending[idx].src.QueryEvents(nostr.Filter{IDs: pending[idx].ids}) {
+						pending[idx].dst.Publish(ctx, evt)
+					}
+					pending[idx].ids = pending[idx].ids[:0]
+				}
+			}
+
+			// do it for the remaining ids
+			for _, op := range pending {
+				if len(op.ids) > 0 {
+					for evt := range op.src.QueryEvents(nostr.Filter{IDs: op.ids}) {
+						op.dst.Publish(ctx, evt)
+					}
+				}
+			}
+		})
+
+		wg.Wait()
+
+		return err
+	},
+}
+
+type ThirdPartyNegentropy struct {
+	PeerA  *RelayThirdPartyRemote
+	PeerB  *RelayThirdPartyRemote
+	Filter nostr.Filter
+
+	Deltas chan Delta
+}
+
+type Delta struct {
+	ID      nostr.ID
+	Have    *RelayThirdPartyRemote
+	HaveNot *RelayThirdPartyRemote
+}
+
+type boundKey string
+
+func getBoundKey(b negentropy.Bound) boundKey {
+	return boundKey(fmt.Sprintf("%d:%x", b.Timestamp, b.IDPrefix))
+}
+
+type RelayThirdPartyRemote struct {
+	relay    *nostr.Relay
+	messages chan string
+	err      error
+}
+
+func NewRelayThirdPartyRemote(ctx context.Context, url string) (*RelayThirdPartyRemote, error) {
+	rtpr := &RelayThirdPartyRemote{
+		messages: make(chan string, 3),
+	}
+
+	var err error
+	rtpr.relay, err = nostr.RelayConnect(ctx, url, nostr.RelayOptions{
+		CustomHandler: func(data string) {
+			envelope := nip77.ParseNegMessage(data)
+			if envelope == nil {
+				return
+			}
+			switch env := envelope.(type) {
+			case *nip77.OpenEnvelope, *nip77.CloseEnvelope:
+				rtpr.err = fmt.Errorf("unexpected %s received from relay", env.Label())
+				return
+			case *nip77.ErrorEnvelope:
+				rtpr.err = fmt.Errorf("relay returned a %s: %s", env.Label(), env.Reason)
+				return
+			case *nip77.MessageEnvelope:
+				rtpr.messages <- env.Message
+			}
+		},
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return rtpr, nil
+}
+
+func (rtpr *RelayThirdPartyRemote) SendInitialMessage(filter nostr.Filter, msg string) error {
+	msgj, _ := json.Marshal(nip77.OpenEnvelope{
+		SubscriptionID: "sync3",
+		Filter:         filter,
+		Message:        msg,
+	})
+	return rtpr.relay.WriteWithError(msgj)
+}
+
+func (rtpr *RelayThirdPartyRemote) SendMessage(msg string) error {
+	msgj, _ := json.Marshal(nip77.MessageEnvelope{
+		SubscriptionID: "sync3",
+		Message:        msg,
+	})
+	return rtpr.relay.WriteWithError(msgj)
+}
+
+func (rtpr *RelayThirdPartyRemote) SendClose() error {
+	msgj, _ := json.Marshal(nip77.CloseEnvelope{
+		SubscriptionID: "sync3",
+	})
+	return rtpr.relay.WriteWithError(msgj)
+}
+
+var thirdPartyRemoteEndOfMessages = errors.New("the-end")
+
+func (rtpr *RelayThirdPartyRemote) Receive() (string, error) {
+	if rtpr.err != nil {
+		return "", rtpr.err
+	}
+	if msg, ok := <-rtpr.messages; ok {
+		return msg, nil
+	}
+	return "", thirdPartyRemoteEndOfMessages
+}
+
+func NewThirdPartyNegentropy(peerA, peerB *RelayThirdPartyRemote, filter nostr.Filter) *ThirdPartyNegentropy {
+	return &ThirdPartyNegentropy{
+		PeerA:  peerA,
+		PeerB:  peerB,
+		Filter: filter,
+		Deltas: make(chan Delta, 100),
+	}
+}
+
+func (n *ThirdPartyNegentropy) Run(ctx context.Context) error {
+	peerAIds := make(map[nostr.ID]struct{})
+	peerBIds := make(map[nostr.ID]struct{})
+	peerASkippedBounds := make(map[boundKey]struct{})
+	peerBSkippedBounds := make(map[boundKey]struct{})
+
+	// send an empty message to A to start things up
+	initialMsg := createInitialMessage()
+	err := n.PeerA.SendInitialMessage(n.Filter, initialMsg)
+	if err != nil {
+		return err
+	}
+
+	hasSentInitialMessageToB := false
+
+	for {
+		// receive message from A
+		msgA, err := n.PeerA.Receive()
+		if err != nil {
+			return err
+		}
+		msgAb, _ := nostr.HexDecodeString(msgA)
+		if len(msgAb) == 1 {
+			break
+		}
+
+		msgToB, err := parseMessageBuildNext(
+			msgA,
+			peerBSkippedBounds,
+			func(id nostr.ID) {
+				if _, exists := peerBIds[id]; exists {
+					delete(peerBIds, id)
+				} else {
+					peerAIds[id] = struct{}{}
+				}
+			},
+			func(boundKey boundKey) {
+				peerASkippedBounds[boundKey] = struct{}{}
+			},
+		)
+		if err != nil {
+			return err
+		}
+
+		// emit deltas from B after receiving message from A
+		for id := range peerBIds {
+			select {
+			case n.Deltas <- Delta{ID: id, Have: n.PeerB, HaveNot: n.PeerA}:
+			case <-ctx.Done():
+				return context.Cause(ctx)
+			}
+			delete(peerBIds, id)
+		}
+
+		if len(msgToB) == 2 {
+			// exit condition (no more messages to send)
+			break
+		}
+
+		// send message to B
+		if hasSentInitialMessageToB {
+			err = n.PeerB.SendMessage(msgToB)
+		} else {
+			err = n.PeerB.SendInitialMessage(n.Filter, msgToB)
+			hasSentInitialMessageToB = true
+		}
+		if err != nil {
+			return err
+		}
+
+		// receive message from B
+		msgB, err := n.PeerB.Receive()
+		if err != nil {
+			return err
+		}
+		msgBb, _ := nostr.HexDecodeString(msgB)
+		if len(msgBb) == 1 {
+			break
+		}
+
+		msgToA, err := parseMessageBuildNext(
+			msgB,
+			peerASkippedBounds,
+			func(id nostr.ID) {
+				if _, exists := peerAIds[id]; exists {
+					delete(peerAIds, id)
+				} else {
+					peerBIds[id] = struct{}{}
+				}
+			},
+			func(boundKey boundKey) {
+				peerBSkippedBounds[boundKey] = struct{}{}
+			},
+		)
+		if err != nil {
+			return err
+		}
+
+		// emit deltas from A after receiving message from B
+		for id := range peerAIds {
+			select {
+			case n.Deltas <- Delta{ID: id, Have: n.PeerA, HaveNot: n.PeerB}:
+			case <-ctx.Done():
+				return context.Cause(ctx)
+			}
+			delete(peerAIds, id)
+		}
+
+		if len(msgToA) == 2 {
+			// exit condition (no more messages to send)
+			break
+		}
+
+		// send message to A
+		err = n.PeerA.SendMessage(msgToA)
+		if err != nil {
+			return err
+		}
+	}
+
+	// emit remaining deltas before exit
+	for id := range peerAIds {
+		select {
+		case n.Deltas <- Delta{ID: id, Have: n.PeerA, HaveNot: n.PeerB}:
+		case <-ctx.Done():
+			return context.Cause(ctx)
+		}
+	}
+	for id := range peerBIds {
+		select {
+		case n.Deltas <- Delta{ID: id, Have: n.PeerB, HaveNot: n.PeerA}:
+		case <-ctx.Done():
+			return context.Cause(ctx)
+		}
+	}
+
+	n.PeerA.SendClose()
+	n.PeerB.SendClose()
+	close(n.Deltas)
+
+	return nil
+}
+
+func createInitialMessage() string {
+	output := bytes.NewBuffer(make([]byte, 0, 64))
+	output.WriteByte(negentropy.ProtocolVersion)
+
+	dummy := negentropy.BoundWriter{}
+	dummy.WriteBound(output, negentropy.InfiniteBound)
+	output.WriteByte(byte(negentropy.FingerprintMode))
+
+	// hardcoded random fingerprint
+	fingerprint := [negentropy.FingerprintSize]byte{
+		0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
+		0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
+	}
+	output.Write(fingerprint[:])
+
+	return nostr.HexEncodeToString(output.Bytes())
+}
+
+func parseMessageBuildNext(
+	msg string,
+	skippedBounds map[boundKey]struct{},
+	idCallback func(id nostr.ID),
+	skipCallback func(boundKey boundKey),
+) (string, error) {
+	msgb, err := nostr.HexDecodeString(msg)
+	if err != nil {
+		return "", err
+	}
+
+	br := &negentropy.BoundReader{}
+	bw := &negentropy.BoundWriter{}
+
+	nextMsg := bytes.NewBuffer(make([]byte, 0, len(msgb)))
+	acc := &storage.Accumulator{} // this will be used for building our own fingerprints and also as a placeholder
+
+	reader := bytes.NewReader(msgb)
+	pv, err := reader.ReadByte()
+	if err != nil {
+		return "", err
+	}
+	if pv != negentropy.ProtocolVersion {
+		return "", fmt.Errorf("unsupported protocol version %v", pv)
+	}
+
+	nextMsg.WriteByte(pv)
+
+	for reader.Len() > 0 {
+		bound, err := br.ReadBound(reader)
+		if err != nil {
+			return "", err
+		}
+
+		modeVal, err := negentropy.ReadVarInt(reader)
+		if err != nil {
+			return "", err
+		}
+		mode := negentropy.Mode(modeVal)
+
+		switch mode {
+		case negentropy.SkipMode:
+			skipCallback(getBoundKey(bound))
+			if _, skipped := skippedBounds[getBoundKey(bound)]; !skipped {
+				bw.WriteBound(nextMsg, bound)
+				negentropy.WriteVarInt(nextMsg, uint64(negentropy.SkipMode))
+			}
+
+		case negentropy.FingerprintMode:
+			_, err = reader.Read(acc.Buf[0:negentropy.FingerprintSize] /* use this buffer as a dummy */)
+			if err != nil {
+				return "", err
+			}
+
+			if _, skipped := skippedBounds[getBoundKey(bound)]; !skipped {
+				bw.WriteBound(nextMsg, bound)
+				negentropy.WriteVarInt(nextMsg, uint64(negentropy.FingerprintMode))
+				nextMsg.Write(acc.Buf[0:negentropy.FingerprintSize] /* idem */)
+			}
+		case negentropy.IdListMode:
+			// when receiving an idlist we will never send this bound again to this peer
+			skipCallback(getBoundKey(bound))
+
+			// and instead of sending these ids to the other peer we'll send a fingerprint
+			acc.Reset()
+
+			numIds, err := negentropy.ReadVarInt(reader)
+			if err != nil {
+				return "", err
+			}
+
+			for range numIds {
+				id := nostr.ID{}
+
+				_, err = reader.Read(id[:])
+				if err != nil {
+					return "", err
+				}
+
+				idCallback(id)
+
+				acc.AddBytes(id[:])
+			}
+
+			if _, skipped := skippedBounds[getBoundKey(bound)]; !skipped {
+				fingerprint := acc.GetFingerprint(numIds)
+
+				bw.WriteBound(nextMsg, bound)
+				negentropy.WriteVarInt(nextMsg, uint64(negentropy.FingerprintMode))
+				nextMsg.Write(fingerprint[:])
+			}
+		default:
+			return "", fmt.Errorf("unknown mode %v", mode)
+		}
+	}
+
+	return nostr.HexEncodeToString(nextMsg.Bytes()), nil
+}

thread_helpers.go

@@ -0,0 +1,321 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"slices"
+	"strings"
+	"sync"
+	"time"
+
+	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/nip22"
+	"github.com/fatih/color"
+)
+
+func fetchThreadComments(ctx context.Context, relays []string, discussionID nostr.ID, extraTags nostr.TagMap) ([]nostr.RelayEvent, error) {
+	filterTags := nostr.TagMap{
+		"E": []string{discussionID.Hex()},
+	}
+	for key, values := range extraTags {
+		filterTags[key] = values
+	}
+
+	comments := make([]nostr.RelayEvent, 0, 15)
+	for ie := range sys.Pool.FetchMany(ctx, relays, nostr.Filter{
+		Kinds: []nostr.Kind{1111},
+		Tags:  filterTags,
+		Limit: 500,
+	}, nostr.SubscriptionOptions{Label: "nak-thread"}) {
+		comments = append(comments, ie)
+	}
+
+	slices.SortFunc(comments, nostr.CompareRelayEvent)
+
+	return comments, nil
+}
+
+func showThreadWithComments(
+	ctx context.Context,
+	relays []string,
+	evt nostr.RelayEvent,
+	status string,
+	extraTags nostr.TagMap,
+) error {
+	comments, err := fetchThreadComments(ctx, relays, evt.ID, extraTags)
+	if err != nil {
+		return err
+	}
+
+	printThreadMetadata(ctx, os.Stdout, evt, status, true)
+	stdout("")
+	stdout(evt.Content)
+
+	if len(comments) > 0 {
+		stdout("")
+		stdout(color.CyanString("comments:"))
+		printThreadedComments(ctx, os.Stdout, comments, evt.ID, true)
+	}
+
+	return nil
+}
+
+func printThreadedComments(
+	ctx context.Context,
+	w io.Writer,
+	comments []nostr.RelayEvent,
+	discussionID nostr.ID,
+	withColor bool,
+) {
+	byID := make(map[nostr.ID]struct{}, len(comments)+1)
+	byID[discussionID] = struct{}{}
+	for _, c := range comments {
+		byID[c.ID] = struct{}{}
+	}
+
+	// preload metadata from everybody
+	wg := sync.WaitGroup{}
+
+	children := make(map[nostr.ID][]nostr.RelayEvent, len(comments)+1)
+	for _, c := range comments {
+		wg.Go(func() {
+			sys.FetchProfileMetadata(ctx, c.PubKey)
+		})
+
+		parent, ok := nip22.GetImmediateParent(c.Event.Tags).(nostr.EventPointer)
+		if !ok {
+			continue
+		}
+		if _, ok := byID[parent.ID]; ok {
+			children[parent.ID] = append(children[parent.ID], c)
+		}
+	}
+
+	for parent := range children {
+		slices.SortFunc(children[parent], nostr.CompareRelayEvent)
+	}
+
+	wg.Wait()
+
+	var render func(parent nostr.ID, depth int)
+	render = func(parent nostr.ID, depth int) {
+		for _, c := range children[parent] {
+			indent := strings.Repeat("  ", depth)
+			author := authorPreview(ctx, c.PubKey)
+			created := c.CreatedAt.Time().Format(time.DateTime)
+
+			if withColor {
+				fmt.Fprintln(w, indent+color.CyanString("["+c.ID.Hex()[0:6]+"]"), color.HiBlueString(author), color.HiBlackString(created))
+			} else {
+				fmt.Fprintln(w, indent+"["+c.ID.Hex()[0:6]+"] "+author+" "+created)
+			}
+
+			for _, line := range strings.Split(c.Content, "\n") {
+				fmt.Fprintln(w, indent+"  "+line)
+			}
+			fmt.Fprintln(w, indent+"")
+
+			render(c.ID, depth+1)
+		}
+	}
+
+	render(discussionID, 0)
+}
+
+func findEventByPrefix(events []nostr.RelayEvent, prefix string) (nostr.RelayEvent, error) {
+	prefix = strings.ToLower(strings.TrimSpace(prefix))
+	if prefix == "" {
+		return nostr.RelayEvent{}, fmt.Errorf("missing event id prefix")
+	}
+
+	matchCount := 0
+	matched := nostr.RelayEvent{}
+	for _, evt := range events {
+		if strings.HasPrefix(evt.ID.Hex(), prefix) {
+			matched = evt
+			matchCount++
+		}
+	}
+
+	if matchCount == 0 {
+		return nostr.RelayEvent{}, fmt.Errorf("no event found with id prefix '%s'", prefix)
+	}
+	if matchCount > 1 {
+		return nostr.RelayEvent{}, fmt.Errorf("id prefix '%s' is ambiguous", prefix)
+	}
+
+	return matched, nil
+}
+
+func printThreadMetadata(
+	ctx context.Context,
+	w io.Writer,
+	evt nostr.RelayEvent,
+	status string,
+	withColors bool,
+) {
+	label := func(s string) string { return s }
+	value := func(s string) string { return s }
+	statusValue := func(s string) string { return s }
+	if withColors {
+		label = func(s string) string { return color.CyanString(s) }
+		value = func(s string) string { return color.HiWhiteString(s) }
+		statusValue = colorizeGitStatus
+	}
+
+	fmt.Fprintln(w, label("id:"), value(evt.ID.Hex()))
+	fmt.Fprintln(w, label("kind:"), value(fmt.Sprintf("%d", evt.Kind.Num())))
+	fmt.Fprintln(w, label("author:"), value(authorPreview(ctx, evt.PubKey)))
+	fmt.Fprintln(w, label("created:"), value(evt.CreatedAt.Time().Format(time.RFC3339)))
+	if status != "" {
+		fmt.Fprintln(w, label("status:"), statusValue(status))
+	}
+	if subject := evt.Tags.Find("subject"); subject != nil && len(subject) >= 2 {
+		fmt.Fprintln(w, label("subject:"), value(subject[1]))
+		fmt.Fprintln(w, "")
+	} else if title := evt.Tags.Find("title"); title != nil && len(title) >= 2 {
+		fmt.Fprintln(w, label("title:"), value(title[1]))
+		fmt.Fprintln(w, "")
+	}
+}
+
+func parseThreadReplyContent(discussion nostr.RelayEvent, comments []nostr.RelayEvent, edited string) (string, nostr.RelayEvent, error) {
+	currentParent := discussion
+	selectedParent := nostr.ZeroID
+	inComments := false
+
+	replyb := strings.Builder{}
+	for _, line := range strings.Split(edited, "\n") {
+		line = strings.TrimSpace(line)
+
+		if strings.HasPrefix(line, "#") && !strings.HasPrefix(line, "#>") {
+			inComments = false
+			currentParent = discussion
+			continue
+		}
+
+		if replyb.Len() == 0 && line == "" {
+			continue
+		}
+
+		if strings.HasPrefix(line, "#>") {
+			quoted := strings.TrimSpace(strings.TrimPrefix(line, "#>"))
+			if quoted == "comments:" {
+				inComments = true
+				currentParent = discussion
+				continue
+			}
+
+			// keep track of which comment the reply body shows up below of
+			// so we can assign it as a reply to that specifically
+			fields := strings.Fields(quoted)
+			if inComments && len(fields) > 0 && fields[0][0] == '[' && fields[0][len(fields[0])-1] == ']' {
+				currId := fields[0][1 : len(fields[0])-1]
+				for _, comment := range comments {
+					if strings.HasPrefix(comment.ID.Hex(), currId) {
+						currentParent = comment
+						break
+					}
+				}
+			}
+
+			continue
+		}
+
+		// if we reach here this is a line for the reply input from the user
+		replyb.WriteString(line)
+		replyb.WriteByte('\n')
+
+		if line == "" {
+			continue
+		}
+
+		if selectedParent != nostr.ZeroID && selectedParent != currentParent.ID {
+			return "", nostr.RelayEvent{}, fmt.Errorf("can only reply to one comment or create a top-level comment, got replies to both %s and %s", selectedParent.Hex()[0:6], currentParent.ID.Hex()[0:6])
+		}
+
+		selectedParent = currentParent.ID
+	}
+
+	content := strings.TrimSpace(replyb.String())
+	if content == "" {
+		return "", nostr.RelayEvent{}, fmt.Errorf("empty reply content, aborting")
+	}
+
+	if selectedParent == nostr.ZeroID || selectedParent == discussion.ID {
+		return content, discussion, nil
+	}
+
+	for _, comment := range comments {
+		if comment.ID == selectedParent {
+			return content, comment, nil
+		}
+	}
+
+	panic("selected reply parent not found (this never happens)")
+}
+
+func threadReplyEditorTemplate(ctx context.Context, headerLines []string, discussion nostr.RelayEvent, comments []nostr.RelayEvent) string {
+	lines := make([]string, 0, len(headerLines)+3)
+	for _, line := range headerLines {
+		if strings.TrimSpace(line) == "" {
+			continue
+		}
+		lines = append(lines, "# "+strings.TrimSpace(line))
+	}
+	lines = append(lines,
+		"# write your reply here.",
+		"# lines starting with '#' are ignored.",
+		"",
+	)
+
+	appender := &lineAppender{lines, "#> "}
+
+	printThreadMetadata(ctx, appender, discussion, "", false)
+
+	for _, line := range strings.Split(discussion.Content, "\n") {
+		appender.lines = append(appender.lines, "#> "+line)
+	}
+
+	if len(comments) > 0 {
+		appender.lines = append(appender.lines, "#> ", "#> comments:")
+		printThreadedComments(ctx, appender, comments, discussion.ID, false)
+		appender.lines = append(appender.lines, "", "# comment below an existing comment to send yours as a reply to it.")
+	}
+
+	return strings.Join(appender.lines, "\n")
+}
+
+func keyerIdentity(ctx context.Context, kr nostr.Keyer) (nostr.PubKey, string, string, error) {
+	pk, err := kr.GetPublicKey(ctx)
+	if err != nil {
+		return nostr.ZeroPK, "", "", err
+	}
+
+	meta := sys.FetchProfileMetadata(ctx, pk)
+	return pk, meta.ShortName(), meta.NpubShort(), nil
+}
+
+func authorPreview(ctx context.Context, pubkey nostr.PubKey) string {
+	meta := sys.FetchProfileMetadata(ctx, pubkey)
+	if meta.Name != "" {
+		return meta.ShortName() + " (" + meta.NpubShort() + ")"
+	}
+	return meta.NpubShort()
+}
+
+type lineAppender struct {
+	lines  []string
+	prefix string
+}
+
+func (l *lineAppender) Write(b []byte) (int, error) {
+	for _, line := range strings.Split(strings.TrimSuffix(string(b), "\n"), "\n") {
+		line = strings.TrimRight(line, " ")
+		l.lines = append(l.lines, l.prefix+line)
+	}
+
+	return len(b), nil
+}

validate.go

@@ -0,0 +1,81 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"fiatjaf.com/nostr"
+	"fiatjaf.com/nostr/schema"
+	"github.com/urfave/cli/v3"
+)
+
+var validateCmd = &cli.Command{
+	Name:  "validate",
+	Usage: "validates events against the provided RoK YAML schema",
+	Description: `takes a URL to a YAML schema in the same format as that of https://github.com/nostr-protocol/registry-of-kinds (defaults to that one) and validates the event tags and content against it, according to its kind.
+
+example:
+nak event -k 1 -p not_a_pubkey | nak validate
+>> schema validation failed: tag[0][1]: invalid pubkey value 'not_a_pubkey' at tag 'p', index 1: pubkey should be 64-char hex, got 'not_a_pubkey'
+`,
+	DisableSliceFlagSeparator: true,
+	Flags: []cli.Flag{
+		&cli.StringFlag{
+			Name:      "schema",
+			Usage:     "url to download the YAML schema from, or path to the file",
+			Value:     "https://raw.githubusercontent.com/nostr-protocol/registry-of-kinds/refs/heads/master/schema.yaml",
+			TakesFile: true,
+		},
+	},
+	Action: func(ctx context.Context, c *cli.Command) error {
+		var validator schema.Validator
+
+		if schemaURL := c.String("schema"); strings.HasPrefix(schemaURL, "http") {
+			var err error
+			validator, err = schema.NewValidatorFromURL(schemaURL)
+			if err != nil {
+				return fmt.Errorf("failed to instantiate validator from '%s': %w", schemaURL, err)
+			}
+		} else {
+			var err error
+			validator, err = schema.NewValidatorFromFile(schemaURL)
+			if err != nil {
+				return fmt.Errorf("failed to instantiate validator from %s: %w", schemaURL, err)
+			}
+		}
+
+		handleEvent := func(stdinEvent string) error {
+			evt := nostr.Event{}
+			if err := json.Unmarshal([]byte(stdinEvent), &evt); err != nil {
+				return fmt.Errorf("invalid event JSON: %w", err)
+			}
+
+			if err := validator.ValidateEvent(evt); err != nil {
+				return fmt.Errorf("schema validation failed: %w", err)
+			}
+
+			stdout(evt)
+
+			return nil
+		}
+
+		for stdinEvent := range getJsonsOrBlank() {
+			if stdinEvent == "" {
+				for _, arg := range c.Args().Slice() {
+					if err := handleEvent(arg); err != nil {
+						ctx = lineProcessingError(ctx, "%s", err)
+					}
+				}
+				continue
+			}
+
+			if err := handleEvent(stdinEvent); err != nil {
+				ctx = lineProcessingError(ctx, "%s", err)
+			}
+		}
+
+		exitIfLineProcessingError(ctx)
+		return nil
+	},
+}

verify.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"fiatjaf.com/nostr"
+	"github.com/fatih/color"
 	"github.com/urfave/cli/v3"
 )
 
@@ -27,23 +28,35 @@ it outputs nothing if the verification is successful.`,
 
 			if err := json.Unmarshal([]byte(stdinEvent), &evt); err != nil {
 				ctx = lineProcessingError(ctx, "invalid event: %s", err)
-				logverbose("<>: invalid event.\n", evt.ID.Hex())
+				logverbose("%s\n", color.RedString("<>: invalid event."))
 				continue
 			}
 
-			if evt.GetID() != evt.ID {
-				ctx = lineProcessingError(ctx, "invalid .id, expected %s, got %s", evt.GetID(), evt.ID)
-				logverbose("%s: invalid id.\n", evt.ID.Hex())
+			impliedID := evt.GetID()
+			idsMatch := impliedID == evt.ID
+			logverbose(
+				"%s\n%s %s\n%s %s\n%s %s\n%s %s\n%s %s\n",
+				color.CyanString("verifying event:"),
+				color.BlueString("  event:     "), stdinEvent,
+				color.BlueString("  given id:  "), color.YellowString("%s", evt.ID),
+				color.BlueString("  serialized:"), string(evt.Serialize()),
+				color.BlueString("  implied id:"), color.YellowString("%s", impliedID),
+				color.BlueString("  ids match: "), color.New(map[bool]color.Attribute{true: color.FgGreen, false: color.FgRed}[idsMatch]).Sprint(idsMatch),
+			)
+
+			if impliedID != evt.ID {
+				ctx = lineProcessingError(ctx, "invalid .id, expected %s, got %s", impliedID, evt.ID)
+				logverbose("%s\n", color.RedString("invalid id: %s", evt.ID.Hex()))
 				continue
 			}
 
 			if !evt.VerifySignature() {
 				ctx = lineProcessingError(ctx, "invalid signature")
-				logverbose("%s: invalid signature.\n", evt.ID.Hex())
+				logverbose("%s\n", color.RedString("invalid signature: %s", evt.ID.Hex()))
 				continue
 			}
 
-			logverbose("%s: valid.\n", evt.ID.Hex())
+			logverbose("%s\n", color.GreenString("valid: %s", evt.ID.Hex()))
 		}
 
 		exitIfLineProcessingError(ctx)

wallet.go

@@ -28,7 +28,7 @@ func prepareWallet(ctx context.Context, c *cli.Command) (*nip60.Wallet, func(),
 	relays := sys.FetchOutboxRelays(ctx, pk, 3)
 	w := nip60.LoadWallet(ctx, kr, sys.Pool, relays, nip60.WalletOptions{})
 	if w == nil {
-		return nil, nil, fmt.Errorf("error loading walle")
+		return nil, nil, fmt.Errorf("error loading wallet")
 	}
 
 	w.Processed = func(evt nostr.Event, err error) {
@@ -139,7 +139,11 @@ var wallet = &cli.Command{
 				}
 
 				for _, url := range w.Mints {
-					stdout(strings.Split(url, "://")[1])
+					if _, host, ok := strings.Cut(url, "://"); ok {
+						stdout(host)
+					} else {
+						stdout(url)
+					}
 				}
 
 				closew()
@@ -195,7 +199,11 @@ var wallet = &cli.Command{
 				}
 
 				for _, token := range w.Tokens {
-					stdout(token.ID(), token.Proofs.Amount(), strings.Split(token.Mint, "://")[1])
+					_, mintHost, _ := strings.Cut(token.Mint, "://")
+					if mintHost == "" {
+						mintHost = token.Mint
+					}
+					stdout(token.ID(), token.Proofs.Amount(), mintHost)
 				}
 
 				closew()
@@ -221,7 +229,11 @@ var wallet = &cli.Command{
 						for _, token := range w.Tokens {
 							if slices.Contains(ids, token.ID()) {
 								w.DropToken(ctx, token.ID())
-								log("dropped %s %d %s\n", token.ID(), token.Proofs.Amount(), strings.Split(token.Mint, "://")[1])
+								_, mintHost, _ := strings.Cut(token.Mint, "://")
+								if mintHost == "" {
+									mintHost = token.Mint
+								}
+								log("dropped %s %d %s\n", token.ID(), token.Proofs.Amount(), mintHost)
 							}
 						}
 
@@ -358,6 +370,10 @@ var wallet = &cli.Command{
 			Description:               "<amount> is in satoshis, <target> can be an npub, nprofile, nevent or hex pubkey.",
 			DisableSliceFlagSeparator: true,
 			Flags: []cli.Flag{
+				&cli.StringFlag{
+					Name:  "target",
+					Usage: "npub, nprofile, nevent or hex pubkey",
+				},
 				&cli.StringFlag{
 					Name:  "mint",
 					Usage: "send from a specific mint",
@@ -368,9 +384,8 @@ var wallet = &cli.Command{
 				},
 			},
 			Action: func(ctx context.Context, c *cli.Command) error {
-				args := c.Args().Slice()
-				if len(args) < 2 {
-					return fmt.Errorf("must be called as `nak wallet nutzap <amount> <target>...")
+				if c.Args().Len() < 1 {
+					return fmt.Errorf("must be called as `nak wallet nutzap <amount> --target <target>...")
 				}
 
 				w, closew, err := prepareWallet(ctx, c)