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damus/Util/EventCache.swift

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+//
+//  EventCache.swift
+//  damus
+//
+//  Created by William Casarin on 2023-02-21.
+//
+
+import Foundation
+
+class EventCache {
+    private var events: [String: NostrEvent]
+    
+    func lookup(_ evid: String) -> NostrEvent? {
+        return events[evid]
+    }
+    
+    func insert(_ ev: NostrEvent) {
+        guard events[ev.id] == nil else {
+            return
+        }
+        events[ev.id] = ev
+    }
+    
+    init() {
+        self.events = [:]
+    }
+}