Keeps track of a message's GiftWrap host in order to broadcast later.

quartz/src/main/java/com/vitorpamplona/quartz/events/ChatMessageEvent.kt

@@ -17,7 +17,7 @@ class ChatMessageEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), ChatroomKeyable {
+) : WrappedEvent(id, pubKey, createdAt, kind, tags, content, sig), ChatroomKeyable {
     /**
      * Recepients intended to receive this conversation
      */

quartz/src/main/java/com/vitorpamplona/quartz/events/Event.kt

@@ -362,6 +362,22 @@ open class Event(
     }
 }
 
+@Immutable
+open class WrappedEvent(
+    id: HexKey,
+    @JsonProperty("pubkey")
+    pubKey: HexKey,
+    @JsonProperty("created_at")
+    createdAt: Long,
+    kind: Int,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
+    @Transient
+    var host: Event? = null // host event to broadcast when needed
+}
+
 @Immutable
 interface AddressableEvent {
     fun dTag(): String

quartz/src/main/java/com/vitorpamplona/quartz/events/GiftWrapEvent.kt

@@ -28,6 +28,10 @@ class GiftWrapEvent(
         if (cachedInnerEvent.contains(hex)) return cachedInnerEvent[hex]
 
         val myInnerEvent = unwrap(privKey = privKey)
+        if (myInnerEvent is WrappedEvent) {
+            myInnerEvent.host = this
+        }
+
         cachedInnerEvent = cachedInnerEvent + Pair(hex, myInnerEvent)
         return myInnerEvent
     }

quartz/src/main/java/com/vitorpamplona/quartz/events/SealedGossipEvent.kt

@@ -20,7 +20,7 @@ class SealedGossipEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
+): WrappedEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     @Transient
     private var cachedInnerEvent: Map<HexKey, Event?> = mapOf()
 
@@ -30,6 +30,10 @@ class SealedGossipEvent(
 
         val gossip = unseal(privKey = privKey)
         val event = gossip?.mergeWith(this)
+        if (event is WrappedEvent) {
+            event.host = host ?: this
+        }
+
         cachedInnerEvent = cachedInnerEvent + Pair(hex, event)
         return event
     }