Load zaps instantly on events

Refactor our event cache a bit and add zap caching

Changelog-Changed: Load zaps instantly on events

damus/Models/DamusState.swift

@@ -31,6 +31,14 @@ struct DamusState {
     let replies: ReplyCounter
     let muted_threads: MutedThreadsManager
     
+    @discardableResult
+    func add_zap(zap: Zap) -> Bool {
+        // store generic zap mapping
+        self.zaps.add_zap(zap: zap)
+        // associate with events as well
+        return self.events.store_zap(zap: zap)
+    }
+    
     var pubkey: String {
         return keypair.pubkey
     }

damus/Models/HomeModel.swift

@@ -128,7 +128,7 @@ class HomeModel: ObservableObject {
             return
         }
         
-        damus_state.zaps.add_zap(zap: zap)
+        damus_state.add_zap(zap: zap)
         
         guard zap.target.pubkey == our_keypair.pubkey else {
             return
@@ -726,7 +726,7 @@ func guard_valid_event(events: EventCache, ev: NostrEvent, callback: @escaping (
             let result = validate_event(ev: ev)
             
             DispatchQueue.main.async {
-                events.validation[ev.id] = result
+                events.store_event_validation(evid: ev.id, validated: result)
                 guard result == .ok else {
                     return
                 }

damus/Models/ZapsModel.swift

@@ -10,7 +10,6 @@ import Foundation
 class ZapsModel: ObservableObject {
     let state: DamusState
     let target: ZapTarget
-    var zaps: [Zap]
     
     let zaps_subid = UUID().description
     let profiles_subid = UUID().description
@@ -18,7 +17,10 @@ class ZapsModel: ObservableObject {
     init(state: DamusState, target: ZapTarget) {
         self.state = state
         self.target = target
-        self.zaps = []
+    }
+    
+    var zaps: [Zap] {
+        return state.events.lookup_zaps(target: target)
     }
     
     func subscribe() {
@@ -51,7 +53,7 @@ class ZapsModel: ObservableObject {
         case .notice:
             break
         case .eose:
-            let events = self.zaps.map { $0.request.ev }
+            let events = state.events.lookup_zaps(target: target).map { $0.request_ev }
             load_profiles(profiles_subid: profiles_subid, relay_id: relay_id, load: .from_events(events), damus_state: state)
         case .event(_, let ev):
             guard ev.kind == 9735 else {
@@ -59,7 +61,7 @@ class ZapsModel: ObservableObject {
             }
             
             if let zap = state.zaps.zaps[ev.id] {
-                if insert_uniq_sorted_zap_by_amount(zaps: &zaps, new_zap: zap) {
+                if state.events.store_zap(zap: zap) {
                     objectWillChange.send()
                 }
             } else {
@@ -71,9 +73,7 @@ class ZapsModel: ObservableObject {
                     return
                 }
                 
-                state.zaps.add_zap(zap: zap)
-                
-                if insert_uniq_sorted_zap_by_amount(zaps: &zaps, new_zap: zap) {
+                if self.state.add_zap(zap: zap) {
                     objectWillChange.send()
                 }
             }