update nostrlib.

event.go

@@ -403,13 +403,20 @@ func publishFlow(ctx context.Context, c *cli.Command, kr nostr.Signer, evt nostr
 			}
 		} else {
 			// normal dumb flow
-			for _, relay := range relays {
+			for i, relay := range relays {
 			publish:
 				cleanUrl, _ := strings.CutPrefix(relay.URL, "wss://")
 				log("publishing to %s... ", color.CyanString(cleanUrl))
 				ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
 				defer cancel()
 
+				if !relay.IsConnected() {
+					if new_, err := sys.Pool.EnsureRelay(relay.URL); err == nil {
+						relays[i] = new_
+						relay = new_
+					}
+				}
+
 				err := relay.Publish(ctx, evt)
 				if err == nil {
 					// published fine

go.mod

@@ -4,7 +4,7 @@ go 1.24.1
 
 require (
 	fiatjaf.com/lib v0.3.1
-	fiatjaf.com/nostr v0.0.0-20250905141851-8750197ea7a8
+	fiatjaf.com/nostr v0.0.0-20250907220143-b67e3092b02e
 	github.com/bep/debounce v1.2.1
 	github.com/btcsuite/btcd/btcec/v2 v2.3.5
 	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e
@@ -22,6 +22,7 @@ require (
 	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
 	golang.org/x/term v0.32.0
 )
 
@@ -70,7 +71,6 @@ require (
 	go.etcd.io/bbolt v1.4.2 // indirect
 	golang.org/x/crypto v0.39.0 // indirect
 	golang.org/x/net v0.41.0 // indirect
-	golang.org/x/sync v0.16.0 // indirect
 	golang.org/x/sys v0.35.0 // indirect
 	golang.org/x/text v0.26.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -1,7 +1,7 @@
 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 v0.0.0-20250905141851-8750197ea7a8 h1:qRilSzVyy8vA9gxbsNxm4D8ZsV2WmGdyNq6B2Tkclo8=
-fiatjaf.com/nostr v0.0.0-20250905141851-8750197ea7a8/go.mod h1:RHPNZ7jtRi7dZf590g1urHYhWXnbetvd1oByNbAlgKE=
+fiatjaf.com/nostr v0.0.0-20250907220143-b67e3092b02e h1:SnM2u7nAlK5rUFJsQYOdTUOAbz0B9Z9ihq95akFHdOE=
+fiatjaf.com/nostr v0.0.0-20250907220143-b67e3092b02e/go.mod h1:RHPNZ7jtRi7dZf590g1urHYhWXnbetvd1oByNbAlgKE=
 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=

req.go

@@ -4,7 +4,9 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"slices"
 	"strings"
+	"sync"
 
 	"fiatjaf.com/nostr"
 	"fiatjaf.com/nostr/nip42"
@@ -12,6 +14,7 @@ import (
 	"github.com/fatih/color"
 	"github.com/mailru/easyjson"
 	"github.com/urfave/cli/v3"
+	"golang.org/x/sync/errgroup"
 )
 
 const (
@@ -186,17 +189,52 @@ example:
 						}
 
 						// relays for each pubkey
+						errg := errgroup.Group{}
+						errg.SetLimit(16)
+						mu := sync.Mutex{}
 						for _, pubkey := range filter.Authors {
-							n := int(c.Uint("outbox-relays-number"))
-							this := filter.Clone()
-							this.Authors = []nostr.PubKey{pubkey}
-							for _, url := range sys.FetchOutboxRelays(ctx, pubkey, n) {
-								defs = append(defs, nostr.DirectedFilter{
-									Filter: this,
-									Relay:  url,
-								})
-							}
+							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)