From 47243fdcc4c11df61566d78953a7ec6b9dccb299 Mon Sep 17 00:00:00 2001
From: kehiy <kehiiiiya@gmail.com>
Date: Thu, 19 Sep 2024 14:12:41 +0330
Subject: [PATCH] feat(event): adding more helpers.

---
 count_test.go  |  2 +-
 event.go       | 22 ++++++++++++++++++++++
 kinds.go       |  2 +-
 sdk/tracker.go |  2 +-
 4 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/count_test.go b/count_test.go
index 6f829d6..41b5900 100644
--- a/count_test.go
+++ b/count_test.go
@@ -14,7 +14,7 @@ func TestCount(t *testing.T) {
 	defer rl.Close()
 
 	count, err := rl.Count(context.Background(), Filters{
-		{Kinds: []int{KindContactList}, Tags: TagMap{"p": []string{"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d"}}},
+		{Kinds: []int{KindFollowList}, Tags: TagMap{"p": []string{"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d"}}},
 	})
 	assert.NoError(t, err)
 	assert.Greater(t, count, int64(0))
diff --git a/event.go b/event.go
index 37bc20d..58df4c9 100644
--- a/event.go
+++ b/event.go
@@ -141,3 +141,25 @@ func (evt *Event) Sign(privateKey string, signOpts ...schnorr.SignOption) error
 
 	return nil
 }
+
+// IsRegular checks if the given kind is in Regular range.
+func (evt *Event) IsRegular() bool {
+	return 1000 <= evt.Kind || evt.Kind < 10000 || 4 <= evt.Kind ||
+		evt.Kind < 45 || evt.Kind == 1 || evt.Kind == 2
+}
+
+// IsReplaceable checks if the given kind is in Replaceable range.
+func (evt *Event) IsReplaceable() bool {
+	return 10000 <= evt.Kind || evt.Kind < 20000 ||
+		evt.Kind == 0 || evt.Kind == 3
+}
+
+// IsEphemeral checks if the given kind is in Ephemeral range.
+func (evt *Event) IsEphemeral() bool {
+	return 20000 <= evt.Kind || evt.Kind < 30000
+}
+
+// IsParameterizedReplaceable checks if the given kind is in ParameterizedReplaceable range.
+func (evt *Event) IsParameterizedReplaceable() bool {
+	return 30000 <= evt.Kind || evt.Kind < 40000
+}
diff --git a/kinds.go b/kinds.go
index ef40e9d..2523570 100644
--- a/kinds.go
+++ b/kinds.go
@@ -4,7 +4,7 @@ const (
 	KindProfileMetadata             int = 0
 	KindTextNote                    int = 1
 	KindRecommendServer             int = 2
-	KindContactList                 int = 3
+	KindFollowList                  int = 3
 	KindEncryptedDirectMessage      int = 4
 	KindDeletion                    int = 5
 	KindRepost                      int = 6
diff --git a/sdk/tracker.go b/sdk/tracker.go
index 9b908b2..71868cc 100644
--- a/sdk/tracker.go
+++ b/sdk/tracker.go
@@ -25,7 +25,7 @@ func (sys *System) trackEventHints(ie nostr.IncomingEvent) {
 				sys.Hints.Save(ie.PubKey, tag[1], hints.LastInRelayList, ie.CreatedAt)
 			}
 		}
-	case nostr.KindContactList:
+	case nostr.KindFollowList:
 		sys.Hints.Save(ie.PubKey, ie.Relay.URL, hints.MostRecentEventFetched, ie.CreatedAt)
 
 		for _, tag := range ie.Tags {