Lightning Zaps

Added initial lightning zaps/tipping integration

Changelog-Added: Receive Lightning Zaps

damus/Nostr/Profiles.swift

@@ -12,11 +12,20 @@ import UIKit
 class Profiles {
     var profiles: [String: TimestampedProfile] = [:]
     var validated: [String: NIP05] = [:]
+    var zappers: [String: String] = [:]
     
     func is_validated(_ pk: String) -> NIP05? {
         return validated[pk]
     }
     
+    func lookup_zapper(pubkey: String) -> String? {
+        if let zapper = zappers[pubkey] {
+            return zapper
+        }
+        
+        return nil
+    }
+    
     func add(id: String, profile: TimestampedProfile) {
         profiles[id] = profile
     }