Allow frotned to login subaddresses

https://github.com/moneroexamples/openmonero/issues/129

html/js/cn_util.js

@@ -462,9 +462,12 @@ var cnUtil = (function(initConfig) {
     
     this.decode_address = function(address) {
         var dec = cnBase58.decode(address);
+
         var expectedPrefix = this.encode_varint(CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX);
         var expectedPrefixInt = this.encode_varint(CRYPTONOTE_PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX);
         var expectedPrefixSub = this.encode_varint(CRYPTONOTE_PUBLIC_SUBADDRESS_BASE58_PREFIX);
+
+
         var prefix = dec.slice(0, expectedPrefix.length);
         if (prefix !== expectedPrefix && prefix !== expectedPrefixInt && prefix !== expectedPrefixSub) {
             throw "Invalid address prefix";

html/js/services/account.js

@@ -76,18 +76,25 @@ thinwalletServices
                 } catch (e) {
                     return deferred.reject("invalid address");
                 }
-                var expected_view_pub = cnUtil.sec_key_to_pub(view_key);
-                var expected_spend_pub;
-                if (spend_key.length === 64) {
-                    expected_spend_pub = cnUtil.sec_key_to_pub(spend_key);
-                }
-                if (public_keys.view !== expected_view_pub) {
-                    accountService.logout();
-                    return deferred.reject("invalid view key");
-                }
-                if (!view_only && (public_keys.spend !== expected_spend_pub)) {
-                    accountService.logout();
-                    return deferred.reject("invalid spend key");
+
+                if (!cnUtil.is_subaddress(address))
+                {
+                    var expected_view_pub = cnUtil.sec_key_to_pub(view_key);
+                    var expected_spend_pub;
+                    if (spend_key.length === 64) {
+                        expected_spend_pub = cnUtil.sec_key_to_pub(spend_key);
+                    }
+
+
+
+                    if (public_keys.view !== expected_view_pub) {
+                        accountService.logout();
+                        return deferred.reject("invalid view key");
+                    }
+                    if (!view_only && (public_keys.spend !== expected_spend_pub)) {
+                        accountService.logout();
+                        return deferred.reject("invalid spend key");
+                    }
                 }
                 public_address = address;
                 private_keys = {