rip off go-nostr for filters and all necessaries

timestamp/timestamp.go

@@ -0,0 +1,17 @@
+package timestamp
+
+import (
+	"time"
+
+	"golang.org/x/exp/constraints"
+)
+
+type Timestamp int64
+
+func Now() Timestamp { return Timestamp(time.Now().Unix()) }
+
+func New[T constraints.Integer | constraints.Float](t T) Timestamp {
+	return Timestamp(t)
+}
+
+func (t Timestamp) Time() time.Time { return time.Unix(int64(t), 0) }