update ttl after read when disappear after read is set

SessionMessagingKit/Jobs/Types/DisappearingMessagesJob.swift

@@ -3,6 +3,7 @@
 import Foundation
 import GRDB
 import SessionUtilitiesKit
+import SessionSnodeKit
 
 public enum DisappearingMessagesJob: JobExecutor {
     public static let maxFailureCount: Int = -1
@@ -67,6 +68,16 @@ public extension DisappearingMessagesJob {
     }
     
     @discardableResult static func updateNextRunIfNeeded(_ db: Database, interactionIds: [Int64], startedAtMs: Double) -> Job? {
+        let interactionsByExpiresInSeconds: [TimeInterval?: [Interaction]]? = try? Interaction
+            .filter(interactionIds.contains(Interaction.Columns.id))
+            .filter(
+                Interaction.Columns.expiresInSeconds != nil &&
+                Interaction.Columns.expiresStartedAtMs == nil
+            )
+            .fetchAll(db)
+            .grouped(by: \.expiresInSeconds)
+            
+        
         // Update the expiring messages expiresStartedAtMs value
         let changeCount: Int? = try? Interaction
             .filter(interactionIds.contains(Interaction.Columns.id))
@@ -79,6 +90,18 @@ public extension DisappearingMessagesJob {
         // If there were no changes then none of the provided `interactionIds` are expiring messages
         guard (changeCount ?? 0) > 0 else { return nil }
         
+        interactionsByExpiresInSeconds?.forEach { expiresInSeconds, interactions in
+            let serverHashes = interactions.compactMap { $0.serverHash }
+            guard let expiresInSeconds = expiresInSeconds, !serverHashes.isEmpty else { return }
+            
+            SnodeAPI.updateExpiry(
+                publicKey: getUserHexEncodedPublicKey(db),
+                updatedExpiryMs: Int64(ceil(startedAtMs + expiresInSeconds)),
+                serverHashes: serverHashes
+            )
+            .retainUntilComplete()
+        }
+        
         return updateNextRunIfNeeded(db)
     }
     

SessionSnodeKit/SnodeAPI.swift

@@ -728,25 +728,30 @@ public final class SnodeAPI {
     
     public static func updateExpiry(
         publicKey: String,
-        edKeyPair: Box.KeyPair,
+        updatedExpiryMs: Int64,
-        updatedExpiryMs: UInt64,
         serverHashes: [String]
     ) -> Promise<[String: (hashes: [String], expiry: UInt64)]> {
+        guard let userED25519KeyPair = Identity.fetchUserEd25519KeyPair() else {
+            return Promise(error: SnodeAPIError.noKeyPair)
+        }
+        
         let publicKey = (Features.useTestnet ? publicKey.removingIdPrefixIfNeeded() : publicKey)
         
+        let updatedExpiryMsWithNetworkOffset: UInt64 = UInt64(updatedExpiryMs + SnodeAPI.clockOffset.wrappedValue)
+        
         return attempt(maxRetryCount: maxRetryCount, recoveringOn: Threading.workQueue) {
             getSwarm(for: publicKey)
                 .then2 { swarm -> Promise<[String: (hashes: [String], expiry: UInt64)]> in
                     // "expire" || expiry || messages[0] || ... || messages[N]
                     let verificationBytes = SnodeAPIEndpoint.expire.rawValue.bytes
-                        .appending(contentsOf: "\(updatedExpiryMs)".data(using: .ascii)?.bytes)
+                        .appending(contentsOf: "\(updatedExpiryMsWithNetworkOffset)".data(using: .ascii)?.bytes)
                         .appending(contentsOf: serverHashes.joined().bytes)
                     
                     guard
                         let snode = swarm.randomElement(),
                         let signature = sodium.sign.signature(
                             message: verificationBytes,
-                            secretKey: edKeyPair.secretKey
+                            secretKey: userED25519KeyPair.secretKey
                         )
                     else {
                         throw SnodeAPIError.signingFailed
@@ -754,8 +759,8 @@ public final class SnodeAPI {
                     
                     let parameters: JSON = [
                         "pubkey" : publicKey,
-                        "pubkey_ed25519" : edKeyPair.publicKey.toHexString(),
+                        "pubkey_ed25519" : userED25519KeyPair.publicKey.toHexString(),
-                        "expiry": updatedExpiryMs,
+                        "expiry": updatedExpiryMsWithNetworkOffset,
                         "messages": serverHashes,
                         "signature": signature.toBase64()
                     ]