Added support for new email sign in flow (#119)

Author: BellringerQuinn

Assets/SequenceSDK/Authentication/AWSEmailSignIn.cs

@@ -17,11 +17,13 @@ public class AWSEmailSignIn : IEmailSignIn
     {
         private string _region;
         private string _cognitoClientId;
+        private string _nonce;
 
-        public AWSEmailSignIn(string region, string cognitoClientId)
+        public AWSEmailSignIn(string region, string cognitoClientId, string nonce)
         {
             _region = region;
             _cognitoClientId = cognitoClientId;
+            _nonce = nonce;
         }
 
         public async Task<string> SignIn(string email)
@@ -34,7 +36,11 @@ public async Task<string> SignIn(string email)
                 {
                     { "USERNAME", email }
                 },
-                ClientId = _cognitoClientId
+                ClientId = _cognitoClientId,
+                ClientMetadata = new Dictionary<string, string>()
+                {
+                    { "SESSION_HASH", _nonce}
+                }
             };
             try
             {
@@ -59,15 +65,12 @@ public async Task<string> Login(string challengeSession, string email, string co
                     { "ANSWER", code }
                 },
                 ClientId = _cognitoClientId,
-                Session = challengeSession
-            };
-            if (!string.IsNullOrWhiteSpace(sessionWalletAddress))
-            {
-                request.ClientMetadata = new Dictionary<string, string>
+                Session = challengeSession,
+                ClientMetadata = new Dictionary<string, string>()
                 {
-                    { "SESSION_HASH", sessionWalletAddress }
-                };
-            }
+                    { "SESSION_HASH", _nonce}
+                }
+            };
 
             try
             {

Assets/SequenceSDK/WaaS/WaaSLogin.cs

@@ -60,8 +60,9 @@ public WaaSLogin(IValidator validator = null)
 
             _sessionWallet = new EthWallet();
             _sessionId = IntentDataOpenSession.CreateSessionId(_sessionWallet.GetAddress());
-            
-            _authenticator = new OpenIdAuthenticator(SequenceCoder.KeccakHashASCII(_sessionId).EnsureHexPrefix());
+
+            string nonce = SequenceCoder.KeccakHashASCII(_sessionId).EnsureHexPrefix();
+            _authenticator = new OpenIdAuthenticator(nonce);
             _authenticator.PlatformSpecificSetup();
             Application.deepLinkActivated += _authenticator.HandleDeepLink;
             _authenticator.SignedIn += OnSocialLogin;
@@ -75,7 +76,7 @@ public WaaSLogin(IValidator validator = null)
 
             try
             {
-                _emailSignIn = new AWSEmailSignIn(configJwt.emailRegion, configJwt.emailClientId);
+                _emailSignIn = new AWSEmailSignIn(configJwt.emailRegion, configJwt.emailClientId, nonce);
             }
             catch (Exception e)
             {