nak key: generate, public, encrypt, decrypt.

.scalafmt.conf

@@ -1,2 +0,0 @@
-version = 3.5.8
-runner.dialect = scala3

README.md

@@ -81,3 +81,8 @@ invalid .id, expected 05bd99d54cb835f427e0092c4275ee44c7ff51219eff417c19f70c9e2c
 ```shell
 nak req -l 100 -k 1 -a 2edbcea694d164629854a52583458fd6d965b161e3c48b57d3aff01940558884 wss://relay.damus.io | jq -r '.content | match("nostr:((note1|nevent1)[a-z0-9]+)";"g") | .captures[0].string' | nak decode | jq -cr '{ids: [.id]}' | nak req wss://relay.damus.io
 ```
+
+## Contributing to this repository
+
+Use NIP-34 to send your patches to `naddr1qqpkucttqy28wumn8ghj7un9d3shjtnyv9kh2uewd9hsz9nhwden5te0wfjkccte9ehx7um5wghxyctwvsq3vamnwvaz7tmjv4kxz7fwwpexjmtpdshxuet5qgsg04q5ypr6f4n65mv7e5hs05z50hy7vvgua8uc8szwtp262cfwn6srqsqqqauedy5x7y`.
+

bunker.go

@@ -84,7 +84,7 @@ var bunker = &cli.Command{
 			},
 		})
 
-		signer := nip46.NewSigner(sec)
+		signer := nip46.NewStaticKeySigner(sec)
 		for ie := range events {
 			req, resp, eventResponse, harmless, err := signer.HandleRequest(ie.Event)
 			if err != nil {

count.go

@@ -78,7 +78,7 @@ var count = &cli.Command{
 
 		tags := make([][]string, 0, 5)
 		for _, tagFlag := range c.StringSlice("tag") {
-			spl := strings.Split(tagFlag, "=")
+			spl := strings.SplitN(tagFlag, "=", 2)
 			if len(spl) == 2 && len(spl[0]) == 1 {
 				tags = append(tags, spl)
 			} else {
@@ -139,7 +139,7 @@ var count = &cli.Command{
 			var result string
 			j, _ := json.Marshal([]any{"COUNT", "nak", filter})
 			result = string(j)
-			fmt.Println(result)
+			stdout(result)
 		}
 
 		return nil

decode.go

@@ -3,7 +3,6 @@ package main
 import (
 	"encoding/hex"
 	"encoding/json"
-	"fmt"
 	"strings"
 
 	"github.com/nbd-wtf/go-nostr"
@@ -68,7 +67,7 @@ var decode = &cli.Command{
 				continue
 			}
 
-			fmt.Println(decodeResult.JSON())
+			stdout(decodeResult.JSON())
 
 		}
 

encode.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 
+	"github.com/nbd-wtf/go-nostr"
 	"github.com/nbd-wtf/go-nostr/nip19"
 	"github.com/urfave/cli/v2"
 )
@@ -29,13 +30,13 @@ var encode = &cli.Command{
 			Usage: "encode a hex public key into bech32 'npub' format",
 			Action: func(c *cli.Context) error {
 				for target := range getStdinLinesOrFirstArgument(c) {
-					if err := validate32BytesHex(target); err != nil {
-						lineProcessingError(c, "invalid public key: %s", target, err)
+					if ok := nostr.IsValidPublicKey(target); !ok {
+						lineProcessingError(c, "invalid public key: %s", target)
 						continue
 					}
 
 					if npub, err := nip19.EncodePublicKey(target); err == nil {
-						fmt.Println(npub)
+						stdout(npub)
 					} else {
 						return err
 					}
@@ -50,13 +51,13 @@ var encode = &cli.Command{
 			Usage: "encode a hex private key into bech32 'nsec' format",
 			Action: func(c *cli.Context) error {
 				for target := range getStdinLinesOrFirstArgument(c) {
-					if err := validate32BytesHex(target); err != nil {
-						lineProcessingError(c, "invalid private key: %s", target, err)
+					if ok := nostr.IsValid32ByteHex(target); !ok {
+						lineProcessingError(c, "invalid private key: %s", target)
 						continue
 					}
 
 					if npub, err := nip19.EncodePrivateKey(target); err == nil {
-						fmt.Println(npub)
+						stdout(npub)
 					} else {
 						return err
 					}
@@ -78,8 +79,8 @@ var encode = &cli.Command{
 			},
 			Action: func(c *cli.Context) error {
 				for target := range getStdinLinesOrFirstArgument(c) {
-					if err := validate32BytesHex(target); err != nil {
-						lineProcessingError(c, "invalid public key: %s", target, err)
+					if ok := nostr.IsValid32ByteHex(target); !ok {
+						lineProcessingError(c, "invalid public key: %s", target)
 						continue
 					}
 
@@ -89,7 +90,7 @@ var encode = &cli.Command{
 					}
 
 					if npub, err := nip19.EncodeProfile(target, relays); err == nil {
-						fmt.Println(npub)
+						stdout(npub)
 					} else {
 						return err
 					}
@@ -115,15 +116,15 @@ var encode = &cli.Command{
 			},
 			Action: func(c *cli.Context) error {
 				for target := range getStdinLinesOrFirstArgument(c) {
-					if err := validate32BytesHex(target); err != nil {
-						lineProcessingError(c, "invalid event id: %s", target, err)
+					if ok := nostr.IsValid32ByteHex(target); !ok {
+						lineProcessingError(c, "invalid event id: %s", target)
 						continue
 					}
 
 					author := c.String("author")
 					if author != "" {
-						if err := validate32BytesHex(author); err != nil {
-							return err
+						if ok := nostr.IsValidPublicKey(author); !ok {
+							return fmt.Errorf("invalid 'author' public key")
 						}
 					}
 
@@ -133,7 +134,7 @@ var encode = &cli.Command{
 					}
 
 					if npub, err := nip19.EncodeEvent(target, relays, author); err == nil {
-						fmt.Println(npub)
+						stdout(npub)
 					} else {
 						return err
 					}
@@ -174,8 +175,8 @@ var encode = &cli.Command{
 			Action: func(c *cli.Context) error {
 				for d := range getStdinLinesOrBlank() {
 					pubkey := c.String("pubkey")
-					if err := validate32BytesHex(pubkey); err != nil {
-						return err
+					if ok := nostr.IsValidPublicKey(pubkey); !ok {
+						return fmt.Errorf("invalid 'pubkey'")
 					}
 
 					kind := c.Int("kind")
@@ -197,7 +198,7 @@ var encode = &cli.Command{
 					}
 
 					if npub, err := nip19.EncodeEntity(pubkey, kind, d, relays); err == nil {
-						fmt.Println(npub)
+						stdout(npub)
 					} else {
 						return err
 					}
@@ -212,13 +213,13 @@ var encode = &cli.Command{
 			Usage: "generate note1 event codes (not recommended)",
 			Action: func(c *cli.Context) error {
 				for target := range getStdinLinesOrFirstArgument(c) {
-					if err := validate32BytesHex(target); err != nil {
-						lineProcessingError(c, "invalid event id: %s", target, err)
+					if ok := nostr.IsValid32ByteHex(target); !ok {
+						lineProcessingError(c, "invalid event id: %s", target)
 						continue
 					}
 
 					if note, err := nip19.EncodeNote(target); err == nil {
-						fmt.Println(note)
+						stdout(note)
 					} else {
 						return err
 					}

event.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/mailru/easyjson"
 	"github.com/nbd-wtf/go-nostr"
+	"github.com/nbd-wtf/go-nostr/nip19"
 	"github.com/nbd-wtf/go-nostr/nson"
 	"github.com/urfave/cli/v2"
 	"golang.org/x/exp/slices"
@@ -51,6 +52,10 @@ example:
 			Name:  "auth",
 			Usage: "always perform NIP-42 \"AUTH\" when facing an \"auth-required: \" rejection and try again",
 		},
+		&cli.BoolFlag{
+			Name:  "nevent",
+			Usage: "print the nevent code (to stderr) after the event is published",
+		},
 		&cli.BoolFlag{
 			Name:  "nson",
 			Usage: "encode the event using NSON",
@@ -87,6 +92,11 @@ example:
 			Usage:    "shortcut for --tag p=<value>",
 			Category: CATEGORY_EVENT_FIELDS,
 		},
+		&cli.StringSliceFlag{
+			Name:     "d",
+			Usage:    "shortcut for --tag d=<value>",
+			Category: CATEGORY_EVENT_FIELDS,
+		},
 		&cli.StringFlag{
 			Name:        "created-at",
 			Aliases:     []string{"time", "ts"},
@@ -108,6 +118,12 @@ example:
 			}
 		}
 
+		defer func() {
+			for _, relay := range relays {
+				relay.Close()
+			}
+		}()
+
 		// gather the secret key
 		sec, err := gatherSecretKeyFromArguments(c)
 		if err != nil {
@@ -117,7 +133,6 @@ example:
 		doAuth := c.Bool("auth")
 
 		// then process input and generate events
-	nextline:
 		for stdinEvent := range getStdinLinesOrBlank() {
 			evt := nostr.Event{
 				Tags: make(nostr.Tags, 0, 3),
@@ -160,15 +175,20 @@ example:
 					tagValues := strings.Split(tagValue, ";")
 					tag = append(tag, tagValues...)
 					// ~
-					tags = append(tags, tag)
+					tags = tags.AppendUnique(tag)
 				}
 			}
+
 			for _, etag := range c.StringSlice("e") {
-				tags = append(tags, []string{"e", etag})
+				tags = tags.AppendUnique([]string{"e", etag})
 				mustRehashAndResign = true
 			}
 			for _, ptag := range c.StringSlice("p") {
-				tags = append(tags, []string{"p", ptag})
+				tags = tags.AppendUnique([]string{"p", ptag})
+				mustRehashAndResign = true
+			}
+			for _, dtag := range c.StringSlice("d") {
+				tags = tags.AppendUnique([]string{"d", dtag})
 				mustRehashAndResign = true
 			}
 			if len(tags) > 0 {
@@ -211,9 +231,10 @@ example:
 				j, _ := easyjson.Marshal(&evt)
 				result = string(j)
 			}
-			fmt.Println(result)
+			stdout(result)
 
 			// publish to relays
+			successRelays := make([]string, 0, len(relays))
 			if len(relays) > 0 {
 				os.Stdout.Sync()
 				for _, relay := range relays {
@@ -226,7 +247,8 @@ example:
 					if err == nil {
 						// published fine
 						log("success.\n")
-						continue nextline
+						successRelays = append(successRelays, relay.URL)
+						continue // continue to next relay
 					}
 
 					// error publishing
@@ -244,6 +266,10 @@ example:
 					}
 					log("failed: %s\n", err)
 				}
+				if len(successRelays) > 0 && c.Bool("nevent") {
+					nevent, _ := nip19.EncodeEvent(evt.ID, successRelays, evt.PubKey)
+					log(nevent + "\n")
+				}
 			}
 		}
 

fetch.go

@@ -1,8 +1,6 @@
 package main
 
 import (
-	"fmt"
-
 	"github.com/nbd-wtf/go-nostr"
 	"github.com/nbd-wtf/go-nostr/nip19"
 	sdk "github.com/nbd-wtf/nostr-sdk"
@@ -24,6 +22,15 @@ var fetch = &cli.Command{
 	},
 	ArgsUsage: "[nip19code]",
 	Action: func(c *cli.Context) error {
+		pool := nostr.NewSimplePool(c.Context)
+
+		defer func() {
+			pool.Relays.Range(func(_ string, relay *nostr.Relay) bool {
+				relay.Close()
+				return true
+			})
+		}()
+
 		for code := range getStdinLinesOrFirstArgument(c) {
 			filter := nostr.Filter{}
 
@@ -67,10 +74,10 @@ var fetch = &cli.Command{
 				authorHint = v
 			}
 
-			pool := nostr.NewSimplePool(c.Context)
 			if authorHint != "" {
 				relayList := sdk.FetchRelaysForPubkey(c.Context, pool, authorHint,
-					"wss://purplepag.es", "wss://offchain.pub", "wss://public.relaying.io")
+					"wss://purplepag.es", "wss://relay.damus.io", "wss://relay.noswhere.com",
+					"wss://nos.lol", "wss://public.relaying.io", "wss://relay.nostr.band")
 				for _, relayListItem := range relayList {
 					if relayListItem.Outbox {
 						relays = append(relays, relayListItem.URL)
@@ -84,7 +91,7 @@ var fetch = &cli.Command{
 			}
 
 			for ie := range pool.SubManyEose(c.Context, relays, nostr.Filters{filter}) {
-				fmt.Println(ie.Event)
+				stdout(ie.Event)
 			}
 		}
 

go.mod

@@ -7,7 +7,8 @@ toolchain go1.21.0
 require (
 	github.com/bgentry/speakeasy v0.1.0
 	github.com/mailru/easyjson v0.7.7
-	github.com/nbd-wtf/go-nostr v0.27.2
+	github.com/manifoldco/promptui v0.9.0
+	github.com/nbd-wtf/go-nostr v0.28.2
 	github.com/nbd-wtf/nostr-sdk v0.0.5
 	github.com/urfave/cli/v2 v2.25.7
 	golang.org/x/exp v0.0.0-20231006140011-7918f672742d
@@ -17,26 +18,21 @@ require (
 	github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
 	github.com/btcsuite/btcd/btcutil v1.1.3 // indirect
 	github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/decred/dcrd/crypto/blake256 v1.0.1 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
-	github.com/dgraph-io/ristretto v0.1.1 // indirect
-	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/fiatjaf/eventstore v0.2.16 // indirect
 	github.com/gobwas/httphead v0.1.0 // indirect
 	github.com/gobwas/pool v0.2.1 // indirect
 	github.com/gobwas/ws v1.3.1 // indirect
-	github.com/golang/glog v1.1.2 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
-	github.com/manifoldco/promptui v0.9.0 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
-	github.com/puzpuzpuz/xsync/v2 v2.5.1 // indirect
+	github.com/puzpuzpuz/xsync/v3 v3.0.2 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/tidwall/gjson v1.17.0 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	golang.org/x/crypto v0.7.0 // indirect
 	golang.org/x/sys v0.14.0 // indirect
 )

go.sum

@@ -25,12 +25,11 @@ github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku
 github.com/btcsuite/snappy-go v1.0.0/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
 github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
 github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
-github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5OhCuC+XN+r/bBCmeuuJtjz+bCNIf8=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
@@ -45,13 +44,6 @@ github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeC
 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 h1:8UrgZ3GkP4i/CLijOJx79Yu+etlyjdBU4sfcs2WYQMs=
 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0/go.mod h1:v57UDF4pDQJcEfFUCRop3lJL149eHGSe9Jvczhzjo/0=
 github.com/decred/dcrd/lru v1.0.0/go.mod h1:mxKOwFd7lFjN2GZYsiz/ecgqR6kkYAl+0pz0tEMk218=
-github.com/dgraph-io/ristretto v0.1.1 h1:6CWw5tJNgpegArSHpNHJKldNeq03FQCwYvfMVWajOK8=
-github.com/dgraph-io/ristretto v0.1.1/go.mod h1:S1GPSBCYCIhmVNfcth17y2zZtQT6wzkzgwUve0VDWWA=
-github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2 h1:tdlZCpZ/P9DhczCTSixgIKmwPv6+wP5DGjqLYw5SUiA=
-github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
-github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
-github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
-github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/fiatjaf/eventstore v0.2.16 h1:NR64mnyUT5nJR8Sj2AwJTd1Hqs5kKJcCFO21ggUkvWg=
 github.com/fiatjaf/eventstore v0.2.16/go.mod h1:rUc1KhVufVmC+HUOiuPweGAcvG6lEOQCkRCn2Xn5VRA=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
@@ -62,9 +54,6 @@ github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
 github.com/gobwas/pool v0.2.1/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
 github.com/gobwas/ws v1.3.1 h1:Qi34dfLMWJbiKaNbDVzM9x27nZBjmkaW6i4+Ku+pGVU=
 github.com/gobwas/ws v1.3.1/go.mod h1:hRKAFb8wOxFROYNsT1bqfWnhX+b5MFeJM9r2ZSwg/KY=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/glog v1.1.2 h1:DVjP2PbBOzHyzA+dn3WhHIq4NdVu3Q+pvivFICf/7fo=
-github.com/golang/glog v1.1.2/go.mod h1:zR+okUeTbrL6EL3xHUDxZuEtGv04p5shwip1+mL/rLQ=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
 github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
@@ -87,10 +76,8 @@ github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0
 github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
 github.com/manifoldco/promptui v0.9.0 h1:3V4HzJk1TtXW1MTZMP7mdlwbBpIinw3HztaIlYthEiA=
 github.com/manifoldco/promptui v0.9.0/go.mod h1:ka04sppxSGFAtxX0qhlYQjISsg9mR4GWtQEhdbn6Pgg=
-github.com/nbd-wtf/go-nostr v0.27.0 h1:h6JmMMmfNcAORTL2kk/K3+U6Mju6rk/IjcHA/PMeOc8=
-github.com/nbd-wtf/go-nostr v0.27.0/go.mod h1:bkffJI+x914sPQWum9ZRUn66D7NpDnAoWo1yICvj3/0=
-github.com/nbd-wtf/go-nostr v0.27.2 h1:RImJfo8IgOK2rgGNif2FHFXq4sjNwzeZILUp9JGtQDg=
-github.com/nbd-wtf/go-nostr v0.27.2/go.mod h1:e5WOFsKEpslDOxIgK00NqemH7KuAvKIW6sBXeJYCfUs=
+github.com/nbd-wtf/go-nostr v0.28.2 h1:KhpGcs6KMLBqYExzKoqt7vP5Re2f8Kpy9SavYZa2PTI=
+github.com/nbd-wtf/go-nostr v0.28.2/go.mod h1:l9NRRaHPN+QwkqrjNKhnfYjQ0+nKP1xZrVxePPGUs+A=
 github.com/nbd-wtf/nostr-sdk v0.0.5 h1:rec+FcDizDVO0W25PX0lgYMXvP7zNNOgI3Fu9UCm4BY=
 github.com/nbd-wtf/nostr-sdk v0.0.5/go.mod h1:iJJsikesCGLNFZ9dLqhLPDzdt924EagUmdQxT3w2Lmk=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
@@ -102,19 +89,13 @@ github.com/onsi/gomega v1.4.1/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5
 github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
 github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/puzpuzpuz/xsync/v2 v2.5.1 h1:mVGYAvzDSu52+zaGyNjC+24Xw2bQi3kTr4QJ6N9pIIU=
-github.com/puzpuzpuz/xsync/v2 v2.5.1/go.mod h1:gD2H2krq/w52MfPLE+Uy64TzJDVY7lP2znR9qmR35kU=
+github.com/puzpuzpuz/xsync/v3 v3.0.2 h1:3yESHrRFYr6xzkz61LLkvNiPFXxJEAABanTQpKbAaew=
+github.com/puzpuzpuz/xsync/v3 v3.0.2/go.mod h1:VjzYrABPabuM4KyBh1Ftq6u8nhwY5tBPKP9jpmh0nnA=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7/go.mod h1:q4W45IWZaF22tdD+VEXcAWRA037jwmWEB5VWYORlTpc=
 github.com/tidwall/gjson v1.17.0 h1:/Jocvlh98kcTfpN2+JzGQWQcqrPQwDrVEMApx/M5ZwM=
 github.com/tidwall/gjson v1.17.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
@@ -130,6 +111,8 @@ github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsr
 golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.7.0 h1:AvwMYaRytfdeVt3u6mLaxYtErKYjxA2OXjJ1HHq6t3A=
+golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
 golang.org/x/net v0.0.0-20180719180050-a680a1efc54d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -150,7 +133,6 @@ golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200814200057-3d37ad5750ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20221010170243-090e33056c14/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
 golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
@@ -170,9 +152,6 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
 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=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

helpers.go

@@ -3,7 +3,6 @@ package main
 import (
 	"bufio"
 	"context"
-	"encoding/hex"
 	"fmt"
 	"net/url"
 	"os"
@@ -26,6 +25,8 @@ var log = func(msg string, args ...any) {
 	fmt.Fprintf(os.Stderr, msg, args...)
 }
 
+var stdout = fmt.Println
+
 func isPiped() bool {
 	stat, _ := os.Stdin.Stat()
 	return stat.Mode()&os.ModeCharDevice == 0
@@ -64,6 +65,7 @@ func writeStdinLinesOrNothing(ch chan string) (hasStdinLines bool) {
 		// piped
 		go func() {
 			scanner := bufio.NewScanner(os.Stdin)
+			scanner.Buffer(make([]byte, 16*1024), 256*1024)
 			for scanner.Scan() {
 				ch <- strings.TrimSpace(scanner.Text())
 			}
@@ -95,20 +97,6 @@ func validateRelayURLs(wsurls []string) error {
 	return nil
 }
 
-func validate32BytesHex(target string) error {
-	if _, err := hex.DecodeString(target); err != nil {
-		return fmt.Errorf("target '%s' is not valid hex: %s", target, err)
-	}
-	if len(target) != 64 {
-		return fmt.Errorf("expected '%s' to be 64 characters (32 bytes), got %d", target, len(target))
-	}
-	if strings.ToLower(target) != target {
-		return fmt.Errorf("expected target to be all lowercase hex. try again with '%s'", strings.ToLower(target))
-	}
-
-	return nil
-}
-
 func connectToAllRelays(
 	ctx context.Context,
 	relayUrls []string,
@@ -162,7 +150,7 @@ func gatherSecretKeyFromArguments(c *cli.Context) (string, error) {
 		return "", fmt.Errorf("invalid secret key: too large")
 	}
 	sec = strings.Repeat("0", 64-len(sec)) + sec // left-pad
-	if err := validate32BytesHex(sec); err != nil {
+	if ok := nostr.IsValid32ByteHex(sec); !ok {
 		return "", fmt.Errorf("invalid secret key")
 	}
 

key.go

@@ -0,0 +1,131 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/nbd-wtf/go-nostr"
+	"github.com/nbd-wtf/go-nostr/nip19"
+	"github.com/nbd-wtf/go-nostr/nip49"
+	"github.com/urfave/cli/v2"
+)
+
+var key = &cli.Command{
+	Name:        "key",
+	Usage:       "operations on secret keys: generate, derive, encrypt, decrypt.",
+	Description: ``,
+	Subcommands: []*cli.Command{
+		generate,
+		public,
+		encrypt,
+		decrypt,
+	},
+}
+
+var generate = &cli.Command{
+	Name:        "generate",
+	Usage:       "generates a secret key",
+	Description: ``,
+	Action: func(c *cli.Context) error {
+		sec := nostr.GeneratePrivateKey()
+		stdout(sec)
+		return nil
+	},
+}
+
+var public = &cli.Command{
+	Name:        "public",
+	Usage:       "computes a public key from a secret key",
+	Description: ``,
+	ArgsUsage:   "[secret]",
+	Action: func(c *cli.Context) error {
+		for sec := range getSecretKeyFromStdinLinesOrFirstArgument(c) {
+			pubkey, err := nostr.GetPublicKey(sec)
+			if err != nil {
+				lineProcessingError(c, "failed to derive public key: %s", err)
+				continue
+			}
+			stdout(pubkey)
+		}
+		return nil
+	},
+}
+
+var encrypt = &cli.Command{
+	Name:        "encrypt",
+	Usage:       "encrypts a secret key and prints an ncryptsec code",
+	Description: `uses the NIP-49 standard.`,
+	ArgsUsage:   "<secret> <password>",
+	Flags: []cli.Flag{
+		&cli.IntFlag{
+			Name:        "logn",
+			Usage:       "the bigger the number the harder it will be to bruteforce the password",
+			Value:       16,
+			DefaultText: "16",
+		},
+	},
+	Action: func(c *cli.Context) error {
+		password := c.Args().Get(c.Args().Len() - 1)
+		if password == "" {
+			return fmt.Errorf("no password given")
+		}
+		for sec := range getSecretKeyFromStdinLinesOrFirstArgument(c) {
+			ncryptsec, err := nip49.Encrypt(sec, password, uint8(c.Int("logn")), 0x02)
+			if err != nil {
+				lineProcessingError(c, "failed to encrypt: %s", err)
+				continue
+			}
+			stdout(ncryptsec)
+		}
+		return nil
+	},
+}
+
+var decrypt = &cli.Command{
+	Name:        "decrypt",
+	Usage:       "takes an ncrypsec and a password and decrypts it into an nsec",
+	Description: `uses the NIP-49 standard.`,
+	ArgsUsage:   "<ncryptsec-code> <password>",
+	Action: func(c *cli.Context) error {
+		password := c.Args().Get(c.Args().Len() - 1)
+		if password == "" {
+			return fmt.Errorf("no password given")
+		}
+		for ncryptsec := range getStdinLinesOrFirstArgument(c) {
+			sec, err := nip49.Decrypt(ncryptsec, password)
+			if err != nil {
+				lineProcessingError(c, "failed to decrypt: %s", err)
+				continue
+			}
+			nsec, _ := nip19.EncodePrivateKey(sec)
+			stdout(nsec)
+		}
+		return nil
+	},
+}
+
+func getSecretKeyFromStdinLinesOrFirstArgument(c *cli.Context) chan string {
+	ch := make(chan string)
+	go func() {
+		for sec := range getStdinLinesOrFirstArgument(c) {
+			if sec == "" {
+				continue
+			}
+			if strings.HasPrefix(sec, "nsec1") {
+				_, data, err := nip19.Decode(sec)
+				if err != nil {
+					lineProcessingError(c, "invalid nsec code: %s", err)
+					continue
+				}
+				sec = data.(string)
+			}
+			if !nostr.IsValid32ByteHex(sec) {
+				lineProcessingError(c, "invalid hex secret key")
+				continue
+			}
+			ch <- sec
+		}
+		close(ch)
+	}()
+	return ch
+}

main.go

@@ -1,15 +1,18 @@
 package main
 
 import (
-	"fmt"
 	"os"
 
 	"github.com/urfave/cli/v2"
 )
 
+var q int
+
 var app = &cli.App{
-	Name:  "nak",
-	Usage: "the nostr army knife command-line tool",
+	Name:                   "nak",
+	Suggest:                true,
+	UseShortOptionHandling: true,
+	Usage:                  "the nostr army knife command-line tool",
 	Commands: []*cli.Command{
 		req,
 		count,
@@ -17,18 +20,23 @@ var app = &cli.App{
 		event,
 		decode,
 		encode,
+		key,
 		verify,
 		relay,
 		bunker,
 	},
 	Flags: []cli.Flag{
 		&cli.BoolFlag{
-			Name:    "silent",
-			Usage:   "do not print logs and info messages to stderr",
-			Aliases: []string{"s"},
+			Name:    "quiet",
+			Usage:   "do not print logs and info messages to stderr, use -qq to also not print anything to stdout",
+			Count:   &q,
+			Aliases: []string{"q"},
 			Action: func(ctx *cli.Context, b bool) error {
-				if b {
+				if q >= 1 {
 					log = func(msg string, args ...any) {}
+					if q >= 2 {
+						stdout = func(a ...any) (int, error) { return 0, nil }
+					}
 				}
 				return nil
 			},
@@ -38,7 +46,7 @@ var app = &cli.App{
 
 func main() {
 	if err := app.Run(os.Args); err != nil {
-		fmt.Println(err)
+		stdout(err)
 		os.Exit(1)
 	}
 }

relay.go

@@ -31,7 +31,7 @@ var relay = &cli.Command{
 		}
 
 		pretty, _ := json.MarshalIndent(info, "", "  ")
-		fmt.Println(string(pretty))
+		stdout(string(pretty))
 		return nil
 	},
 }

req.go

@@ -62,6 +62,11 @@ example:
 			Usage:    "shortcut for --tag p=<value>",
 			Category: CATEGORY_FILTER_ATTRIBUTES,
 		},
+		&cli.StringSliceFlag{
+			Name:     "d",
+			Usage:    "shortcut for --tag d=<value>",
+			Category: CATEGORY_FILTER_ATTRIBUTES,
+		},
 		&cli.StringFlag{
 			Name:     "since",
 			Aliases:  []string{"s"},
@@ -135,6 +140,12 @@ example:
 			for i, relay := range relays {
 				relayUrls[i] = relay.URL
 			}
+
+			defer func() {
+				for _, relay := range relays {
+					relay.Close()
+				}
+			}()
 		}
 
 		for stdinFilter := range getStdinLinesOrBlank() {
@@ -173,6 +184,9 @@ example:
 			for _, ptag := range c.StringSlice("p") {
 				tags = append(tags, []string{"p", ptag})
 			}
+			for _, dtag := range c.StringSlice("d") {
+				tags = append(tags, []string{"d", dtag})
+			}
 
 			if len(tags) > 0 && filter.Tags == nil {
 				filter.Tags = make(nostr.TagMap)
@@ -217,7 +231,7 @@ example:
 					fn = pool.SubMany
 				}
 				for ie := range fn(c.Context, relayUrls, nostr.Filters{filter}) {
-					fmt.Println(ie.Event)
+					stdout(ie.Event)
 				}
 			} else {
 				// no relays given, will just print the filter
@@ -229,7 +243,7 @@ example:
 					result = string(j)
 				}
 
-				fmt.Println(result)
+				stdout(result)
 			}
 		}