[Sign] add 6000 code on disconnect

Example/DApp/ Accounts/AccountsViewController.swift

@@ -53,12 +53,12 @@ final class AccountsViewController: UIViewController, UITableViewDataSource, UIT
     private func disconnect() {
         Task {
             do {
-                try await Sign.instance.disconnect(topic: session.topic, reason: Reason(code: 0, message: "disconnect"))
+                try await Sign.instance.disconnect(topic: session.topic)
                 DispatchQueue.main.async { [weak self] in
                     self?.onDisconnect?()
                 }
             } catch {
-                print(error)
+                print(error) 
                 // show failure alert
             }
         }

Example/ExampleApp/Wallet/WalletViewController.swift

@@ -166,7 +166,7 @@ extension WalletViewController: UITableViewDataSource, UITableViewDelegate {
             let item = sessionItems[indexPath.row]
             Task {
                 do {
-                    try await Sign.instance.disconnect(topic: item.topic, reason: Reason(code: 0, message: "disconnect"))
+                    try await Sign.instance.disconnect(topic: item.topic)
                     DispatchQueue.main.async { [weak self] in
                         self?.sessionItems.remove(at: indexPath.row)
                         tableView.deleteRows(at: [indexPath], with: .automatic)

Example/IntegrationTests/Sign/SignClientTests.swift

@@ -127,7 +127,7 @@ final class SignClientTests: XCTestCase {
         }
         dapp.onSessionSettled = { settledSession in
             Task(priority: .high) {
-                try await dapp.client.disconnect(topic: settledSession.topic, reason: Reason(code: 5900, message: "User disconnected session"))
+                try await dapp.client.disconnect(topic: settledSession.topic)
             }
         }
         wallet.onSessionDelete = {

Sources/WalletConnectSign/Engine/Common/SessionEngine.swift

@@ -44,9 +44,11 @@ final class SessionEngine {
         sessionStore.getAll().map {$0.publicRepresentation()}
     }
 
-    func delete(topic: String, reason: Reason) async throws {
+    func delete(topic: String) async throws {
+        let reasonCode = ReasonCode.userDisconnected
+        let reason = SessionType.Reason(code: reasonCode.code, message: reasonCode.message)
         logger.debug("Will delete session for reason: message: \(reason.message) code: \(reason.code)")
-        try await networkingInteractor.request(.wcSessionDelete(reason.internalRepresentation()), onTopic: topic)
+        try await networkingInteractor.request(.wcSessionDelete(reason), onTopic: topic)
         sessionStore.delete(topic: topic)
         networkingInteractor.unsubscribe(topic: topic)
     }

Sources/WalletConnectSign/Sign/Sign.swift

@@ -230,9 +230,8 @@ extension Sign {
 
     /// - Parameters:
     ///   - topic: Session topic that you want to delete
-    ///   - reason: Reason of session deletion
-    public func disconnect(topic: String, reason: Reason) async throws {
-        try await client.disconnect(topic: topic, reason: reason)
+    public func disconnect(topic: String) async throws {
+        try await client.disconnect(topic: topic)
     }
 
     /// - Returns: All sessions

Sources/WalletConnectSign/Sign/SignClient.swift

@@ -215,8 +215,8 @@ public final class SignClient {
     /// - Parameters:
     ///   - topic: Session topic that you want to delete
     ///   - reason: Reason of session deletion
-    public func disconnect(topic: String, reason: Reason) async throws {
-        try await sessionEngine.delete(topic: topic, reason: reason)
+    public func disconnect(topic: String) async throws {
+        try await sessionEngine.delete(topic: topic)
     }
 
     /// - Returns: All sessions

Sources/WalletConnectSign/Types/ReasonCode.swift

@@ -34,6 +34,9 @@ enum ReasonCode {
     case unsupportedAccounts
     case unsupportedNamespaceKey
 
+    // 6000
+    case userDisconnected
+
     var code: Int {
         switch self {
         case .generic: return 0
@@ -61,6 +64,8 @@ enum ReasonCode {
         case .unsupportedEvents: return 5102
         case .unsupportedAccounts: return 5103
         case .unsupportedNamespaceKey: return 5104
+
+        case .userDisconnected: return 6000
         }
     }
 
@@ -108,6 +113,8 @@ enum ReasonCode {
             return "Unsupported or empty accounts for namespace"
         case .unsupportedNamespaceKey:
             return "Unsupported namespace key"
+        case .userDisconnected:
+            return "User discconnected"
         }
     }
 }