[Notify] Watch subscription response not delivered fix

Example/WalletApp/ApplicationLayer/ConfigurationService.swift

@@ -1,4 +1,4 @@
-import Foundation
+import UIKit
 import WalletConnectNetworking
 import WalletConnectNotify
 import Web3Wallet
@@ -26,7 +26,15 @@ final class ConfigurationService {
 
         Notify.instance.setLogging(level: .debug)
 
-        Task { try await Notify.instance.register(account: importAccount.account, domain: "com.walletconnect", onSign: importAccount.onSign) }
+        Task {
+            do {
+                try await Notify.instance.register(account: importAccount.account, domain: "com.walletconnect", onSign: importAccount.onSign)
+            } catch {
+                DispatchQueue.main.async {
+                    UIApplication.currentWindow.rootViewController?.showAlert(title: "Register error", error: error)
+                }
+            }
+        }
 
         if let clientId = try? Networking.interactor.getClientId() {
             LoggingService.instance.setUpUser(account: importAccount.account.absoluteString, clientId: clientId)

Example/WalletApp/Common/Extensions/UIKit/UIViewController.swift

@@ -48,6 +48,12 @@ extension UIViewController {
         navigationController.navigationBar.prefersLargeTitles = true
         return navigationController
     }
+
+    func showAlert(title: String, error: Error) {
+        let alert = UIAlertController(title: title, message: error.localizedDescription, preferredStyle: .alert)
+        alert.addAction(UIAlertAction(title: "OK", style: .default, handler: nil))
+        present(alert, animated: true, completion: nil)
+    }
 }
 
 extension UIApplication {

Sources/WalletConnectJWT/JWT.swift

@@ -2,13 +2,21 @@ import Foundation
 
 struct JWT<JWTClaims: JWTEncodable>: Codable, Equatable {
 
-    var header: JWTHeader
-    var claims: JWTClaims
-    var signature: String?
+    let header: JWTHeader
+    let claims: JWTClaims
+    let signature: String
+    let string: String
 
-    init(header: JWTHeader = JWTHeader(), claims: JWTClaims) {
-        self.header = header
+    init(claims: JWTClaims, signer: JWTSigning) throws {
+        self.header = JWTHeader(alg: signer.alg)
         self.claims = claims
+
+        let headerString = try header.encode()
+        let claimsString = try claims.encode()
+        let signature = try signer.sign(header: headerString, claims: claimsString)
+
+        self.signature = signature
+        self.string = [headerString, claimsString, signature].joined(separator: ".")
     }
 
     init(string: String) throws {
@@ -19,19 +27,6 @@ struct JWT<JWTClaims: JWTEncodable>: Codable, Equatable {
         self.header = try JWTHeader.decode(from: components[0])
         self.claims = try JWTClaims.decode(from: components[1])
         self.signature = components[2]
-    }
-
-    mutating func sign(using jwtSigner: JWTSigning) throws {
-        header.alg = jwtSigner.alg
-        let headerString = try header.encode()
-        let claimsString = try claims.encode()
-        self.signature = try jwtSigner.sign(header: headerString, claims: claimsString)
-    }
-
-    func encoded() throws -> String {
-        guard let signature = signature else { throw JWTError.jwtNotSigned }
-        let headerString = try header.encode()
-        let claimsString = try claims.encode()
-        return [headerString, claimsString, signature].joined(separator: ".")
+        self.string = string
     }
 }

Sources/WalletConnectJWT/JWTDecodable.swift

@@ -43,10 +43,8 @@ extension JWTClaimsCodable {
 
     public func signAndCreateWrapper(keyPair: SigningPrivateKey) throws -> Wrapper {
         let claims = try encode(iss: keyPair.publicKey.did)
-        var jwt = JWT(claims: claims)
-        try jwt.sign(using: EdDSASigner(keyPair))
-        let jwtString = try jwt.encoded()
-        return Wrapper(jwtString: jwtString)
+        let jwt = try JWT(claims: claims, signer: EdDSASigner(keyPair))
+        return Wrapper(jwtString: jwt.string)
     }
 
     public func defaultIat() -> UInt64 {