Add NIP-22 support

kinds.go

@@ -25,6 +25,7 @@ const (
 	KindChannelMuteUser          int = 44
 	KindChess                    int = 64
 	KindMergeRequests            int = 818
+	KindComment                  int = 1111
 	KindBid                      int = 1021
 	KindBidConfirmation          int = 1022
 	KindOpenTimestamps           int = 1040

nip22/nip22.go

@@ -0,0 +1,24 @@
+package nip22
+
+import "github.com/nbd-wtf/go-nostr"
+
+func GetThreadRoot(tags nostr.Tags) *nostr.Tag {
+	for _, tag := range tags {
+		if tag[0] == "E" || tag[0] == "A" || tag[0] == "I" {
+			return &tag
+		}
+	}
+	empty := nostr.Tag{}
+	return &empty
+}
+
+func GetImmediateReply(tags nostr.Tags) *nostr.Tag {
+	for _, tag := range tags {
+		if tag[0] == "e" || tag[0] == "a" || tag[0] == "i" {
+			return &tag
+		}
+	}
+
+	empty := nostr.Tag{}
+	return &empty
+}

sdk/thread.go

@@ -0,0 +1,23 @@
+package sdk
+
+import (
+	"github.com/nbd-wtf/go-nostr"
+	"github.com/nbd-wtf/go-nostr/nip10"
+	"github.com/nbd-wtf/go-nostr/nip22"
+)
+
+func GetThreadRoot(evt *nostr.Event) *nostr.Tag {
+	if evt.Kind == nostr.KindComment {
+		return nip22.GetThreadRoot(evt.Tags)
+	} else {
+		return nip10.GetThreadRoot(evt.Tags)
+	}
+}
+
+func GetImmediateReply(evt *nostr.Event) *nostr.Tag {
+	if evt.Kind == nostr.KindComment {
+		return nip22.GetImmediateReply(evt.Tags)
+	} else {
+		return nip10.GetImmediateReply(evt.Tags)
+	}
+}