fix: Improve performance list method (#214)

* fix: update ConversationV2 createdAt property

* fix: ConversationV2 initialization order

* remove test

* resolve comments

* Update XMTP.podspec version

* Update ConversationV2 struct to use createdAtNs instead of createdAt

Sources/XMTP/ConversationV2.swift

@@ -15,11 +15,12 @@ public struct ConversationV2Container: Codable {
 	var conversationID: String?
 	var metadata: [String: String] = [:]
 	var peerAddress: String
+	var createdAtNs: UInt64?
 	var header: SealedInvitationHeaderV1
 
 	public func decode(with client: Client) -> ConversationV2 {
 		let context = InvitationV1.Context(conversationID: conversationID ?? "", metadata: metadata)
-		return ConversationV2(topic: topic, keyMaterial: keyMaterial, context: context, peerAddress: peerAddress, client: client, header: header)
+		return ConversationV2(topic: topic, keyMaterial: keyMaterial, context: context, peerAddress: peerAddress, client: client, createdAtNs: createdAtNs, header: header)
 	}
 }
 
@@ -30,6 +31,7 @@ public struct ConversationV2 {
 	public var context: InvitationV1.Context
 	public var peerAddress: String
 	public var client: Client
+	var createdAtNs: UInt64?
 	private var header: SealedInvitationHeaderV1
 
 	static func create(client: Client, invitation: InvitationV1, header: SealedInvitationHeaderV1) throws -> ConversationV2 {
@@ -46,30 +48,33 @@ public struct ConversationV2 {
 			context: invitation.context,
 			peerAddress: peerAddress,
 			client: client,
+			createdAtNs: header.createdNs,
 			header: header
 		)
 	}
 
-	public init(topic: String, keyMaterial: Data, context: InvitationV1.Context, peerAddress: String, client: Client) {
+	public init(topic: String, keyMaterial: Data, context: InvitationV1.Context, peerAddress: String, client: Client, createdAtNs: UInt64? = nil) {
 		self.topic = topic
 		self.keyMaterial = keyMaterial
 		self.context = context
 		self.peerAddress = peerAddress
 		self.client = client
+		self.createdAtNs = createdAtNs
 		header = SealedInvitationHeaderV1()
 	}
 
-	public init(topic: String, keyMaterial: Data, context: InvitationV1.Context, peerAddress: String, client: Client, header: SealedInvitationHeaderV1) {
+	public init(topic: String, keyMaterial: Data, context: InvitationV1.Context, peerAddress: String, client: Client, createdAtNs: UInt64? = nil, header: SealedInvitationHeaderV1) {
 		self.topic = topic
 		self.keyMaterial = keyMaterial
 		self.context = context
 		self.peerAddress = peerAddress
 		self.client = client
+		self.createdAtNs = createdAtNs
 		self.header = header
 	}
 
 	public var encodedContainer: ConversationV2Container {
-		ConversationV2Container(topic: topic, keyMaterial: keyMaterial, conversationID: context.conversationID, metadata: context.metadata, peerAddress: peerAddress, header: header)
+		ConversationV2Container(topic: topic, keyMaterial: keyMaterial, conversationID: context.conversationID, metadata: context.metadata, peerAddress: peerAddress, createdAtNs: createdAtNs, header: header)
 	}
 
 	func prepareMessage(encodedContent: EncodedContent, options: SendOptions?) async throws -> PreparedMessage {
@@ -189,7 +194,7 @@ public struct ConversationV2 {
 	}
 
 	public var createdAt: Date {
-		Date(timeIntervalSince1970: Double(header.createdNs / 1_000_000) / 1000)
+		Date(timeIntervalSince1970: Double((createdAtNs ?? header.createdNs) / 1_000_000) / 1000)
 	}
 
 	public func decode(envelope: Envelope) throws -> DecodedMessage {

Sources/XMTP/Conversations.swift

@@ -26,7 +26,8 @@ public actor Conversations {
 				keyMaterial: data.invitation.aes256GcmHkdfSha256.keyMaterial,
 				context: data.invitation.context,
 				peerAddress: data.peerAddress,
-				client: client
+				client: client,
+				createdAtNs: data.createdNs
 			))
 		}
 		conversationsByTopic[conversation.topic] = conversation

XMTP.podspec

@@ -16,7 +16,7 @@ Pod::Spec.new do |spec|
   #
 
   spec.name         = "XMTP"
-  spec.version      = "0.7.5-alpha0"
+  spec.version      = "0.7.6-alpha0"
   spec.summary      = "XMTP SDK Cocoapod"
 
   # This description is used to generate tags and improve search results.