CAKE-359 | fixed yat_record.dart for multiple addresses in yat; fixed ParsedAddress class; applied ParsedAddress in the parse_address_from_domain_alert.dart; added parsedAddress and renamed applyOpenaliasOrUnstoppableDomains() to fetchParsedAddress() in the output.dart; fixed send_page.dart, send_card.dart and exchange_page.dart; added choose_yat_address_alert.dart to the app; added current wallet address to request parameters in the yat_alert.dart

lib/entities/parse_address_from_domain.dart

@@ -24,18 +24,20 @@ Future<ParsedAddress> parseAddressFromDomain(
 
     if (domainParts.length <= 1 || domainParts.first.isEmpty || name.isEmpty) {
       try {
-        final address = await fetchYatAddress(domain, ticker);
+        final addresses = await fetchYatAddress(domain, ticker);
 
-        if (address?.isEmpty ?? true) {
+        if (addresses?.isEmpty ?? true) {
-          return ParsedAddress(address: domain);
+          return ParsedAddress(
+              addresses: [domain],
+              parseFrom: ParseFrom.yatRecord);
         }
 
         return ParsedAddress(
-            address: address,
+            addresses: addresses,
             name: domain,
             parseFrom: ParseFrom.yatRecord);
       } catch (e) {
-        return ParsedAddress(address: domain);
+        return ParsedAddress(addresses: [domain]);
       }
     }
 
@@ -44,11 +46,11 @@ Future<ParsedAddress> parseAddressFromDomain(
         await fetchUnstoppableDomainAddress(domain, ticker);
 
       if (address?.isEmpty ?? true) {
-        return ParsedAddress(address: domain);
+        return ParsedAddress(addresses: [domain]);
       }
 
       return ParsedAddress(
-          address: address,
+          addresses: [address],
           name: domain,
           parseFrom: ParseFrom.unstoppableDomains);
     }
@@ -56,16 +58,16 @@ Future<ParsedAddress> parseAddressFromDomain(
     final record = await OpenaliasRecord.fetchAddressAndName(formattedName);
 
     if (record == null || record.address.contains(formattedName)) {
-      return ParsedAddress(address: domain);
+      return ParsedAddress(addresses: [domain]);
     }
 
     return ParsedAddress(
-        address: record.address,
+        addresses: [record.address],
         name: record.name,
         parseFrom: ParseFrom.openAlias);
   } catch (e) {
     print(e.toString());
   }
 
-  return ParsedAddress(address: domain);
+  return ParsedAddress(addresses: [domain]);
 }

lib/entities/parsed_address.dart

@@ -2,11 +2,11 @@ enum ParseFrom {unstoppableDomains, openAlias, yatRecord, notParsed}
 
 class ParsedAddress {
   ParsedAddress({
-    this.address = '',
+    this.addresses,
     this.name = '',
     this.parseFrom = ParseFrom.notParsed});
 
-  final String address;
+  final List<String> addresses;
   final String name;
   final ParseFrom parseFrom;
 }

lib/src/screens/exchange/exchange_page.dart

@@ -232,7 +232,7 @@ class ExchangePage extends BasePage {
                                   final ticker = exchangeViewModel
                                       .depositCurrency.title.toLowerCase();
                                   exchangeViewModel.depositAddress =
-                                    await applyOpenaliasOrUnstoppableDomains(
+                                    await fetchParsedAddress(
                                         context, domain, ticker);
                                 },
                               ),
@@ -288,7 +288,7 @@ class ExchangePage extends BasePage {
                                     final ticker = exchangeViewModel
                                         .receiveCurrency.title.toLowerCase();
                                     exchangeViewModel.receiveAddress =
-                                      await applyOpenaliasOrUnstoppableDomains(
+                                      await fetchParsedAddress(
                                           context, domain, ticker);
                                   },
                                 )),
@@ -518,12 +518,12 @@ class ExchangePage extends BasePage {
     var domain = template.depositAddress;
     var ticker = template.depositCurrency.toLowerCase();
     exchangeViewModel.depositAddress =
-      await applyOpenaliasOrUnstoppableDomains(context, domain, ticker);
+      await fetchParsedAddress(context, domain, ticker);
 
     domain = template.receiveAddress;
     ticker = template.receiveCurrency.toLowerCase();
     exchangeViewModel.receiveAddress =
-      await applyOpenaliasOrUnstoppableDomains(context, domain, ticker);
+      await fetchParsedAddress(context, domain, ticker);
   }
 
   void _setReactions(
@@ -696,7 +696,7 @@ class ExchangePage extends BasePage {
         final domain = depositAddressController.text;
         final ticker = exchangeViewModel.depositCurrency.title.toLowerCase();
         exchangeViewModel.depositAddress =
-          await applyOpenaliasOrUnstoppableDomains(context, domain, ticker);
+          await fetchParsedAddress(context, domain, ticker);
       }
     });
 
@@ -706,7 +706,7 @@ class ExchangePage extends BasePage {
         final domain = receiveAddressController.text;
         final ticker = exchangeViewModel.receiveCurrency.title.toLowerCase();
         exchangeViewModel.receiveAddress =
-          await applyOpenaliasOrUnstoppableDomains(context, domain, ticker);
+          await fetchParsedAddress(context, domain, ticker);
       }
     });
 
@@ -782,12 +782,10 @@ class ExchangePage extends BasePage {
     }
   }
 
-  Future<String> applyOpenaliasOrUnstoppableDomains(
+  Future<String> fetchParsedAddress(
       BuildContext context, String domain, String ticker) async {
     final parsedAddress = await parseAddressFromDomain(domain, ticker);
-
+    final address = await defineAddress(context, parsedAddress);
-    showAddressAlert(context, parsedAddress);
+    return address;
-
-    return parsedAddress.address;
   }
 }

lib/src/screens/send/send_page.dart

@@ -215,9 +215,8 @@ class SendPage extends BasePage {
                                   output.address =
                                       template.address;
                                   output.setCryptoAmount(template.amount);
-                                  final parsedAddress = await output
+                                  output.resetParsedAddress();
-                                      .applyOpenaliasOrUnstoppableDomains();
+                                  await output.fetchParsedAddress(context);
-                                  showAddressAlert(context, parsedAddress);
                                 },
                                 onRemove: () {
                                   showPopUp<void>(

lib/src/screens/send/widgets/choose_yat_address_alert.dart

@@ -0,0 +1,72 @@
+import 'package:flutter/material.dart';
+import 'package:cake_wallet/src/widgets/base_alert_dialog.dart';
+
+class ChooseYatAddressAlert extends BaseAlertDialog {
+  ChooseYatAddressAlert({
+    @required this.alertTitle,
+    @required this.alertContent,
+    @required this.addresses,
+  });
+
+  final String alertTitle;
+  final String alertContent;
+  final List<String> addresses;
+
+  @override
+  String get titleText => alertTitle;
+
+  @override
+  String get contentText => alertContent;
+
+  @override
+  bool get barrierDismissible => false;
+
+  @override
+  Widget actionButtons(BuildContext context) {
+    return Container(
+      width: 300,
+      height: 105,
+      color: Theme.of(context).accentTextTheme.body1.backgroundColor,
+      child: ListView.separated(
+          padding: EdgeInsets.all(0),
+          itemCount: addresses.length,
+          separatorBuilder: (_, __) => Container(
+            height: 1,
+            color: Theme.of(context).dividerColor,
+          ),
+          itemBuilder: (context, index) {
+            final address = addresses[index];
+
+            return GestureDetector(
+              onTap: () => Navigator.of(context).pop<String>(address),
+              child: Container(
+                width: 300,
+                height: 52,
+                padding: EdgeInsets.only(left: 24, right: 24),
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  crossAxisAlignment: CrossAxisAlignment.center,
+                  children: [
+                    Expanded(
+                      child: Text(
+                        address,
+                        textAlign: TextAlign.center,
+                        maxLines: 1,
+                        overflow: TextOverflow.ellipsis,
+                        style: TextStyle(
+                          fontSize: 15,
+                          fontWeight: FontWeight.w600,
+                          fontFamily: 'Lato',
+                          color: Theme.of(context).primaryTextTheme.title.color,
+                          decoration: TextDecoration.none,
+                        ),
+                      )
+                    )
+                  ],
+                )
+              ),
+            );
+          })
+    );
+  }
+}

lib/src/screens/send/widgets/confirm_sending_alert.dart

@@ -1,3 +1,4 @@
+import 'package:cake_wallet/entities/parsed_address.dart';
 import 'package:cake_wallet/palette.dart';
 import 'package:cake_wallet/view_model/send/output.dart';
 import 'package:flutter/material.dart';
@@ -276,15 +277,32 @@ class ConfirmSendingAlertContentState extends State<ConfirmSendingAlertContent>
                                 final _address = item.address;
                                 final _amount =
                                 item.cryptoAmount.replaceAll(',', '.');
+                                final isParsedAddress =
+                                    item.parsedAddress.parseFrom !=
+                                        ParseFrom.notParsed;
 
                                 return Column(
                                   children: [
+                                    if (isParsedAddress) Padding(
+                                        padding: EdgeInsets.only(top: 8),
+                                        child: Text(
+                                          item.parsedAddress.name,
+                                          textAlign: TextAlign.center,
+                                          style: TextStyle(
+                                            fontSize: 14,
+                                            fontWeight: FontWeight.w600,
+                                            fontFamily: 'Lato',
+                                            color: PaletteDark.pigeonBlue,
+                                            decoration: TextDecoration.none,
+                                          ),
+                                        )
+                                    ),
                                     Padding(
                                         padding: EdgeInsets.only(top: 8),
                                         child: Text(
                                           _address,
                                           style: TextStyle(
-                                            fontSize: 12,
+                                            fontSize: 10,
                                             fontWeight: FontWeight.w600,
                                             fontFamily: 'Lato',
                                             color: PaletteDark.pigeonBlue,
@@ -301,7 +319,7 @@ class ConfirmSendingAlertContentState extends State<ConfirmSendingAlertContent>
                                             Text(
                                               _amount,
                                               style: TextStyle(
-                                                fontSize: 12,
+                                                fontSize: 10,
                                                 fontWeight: FontWeight.w600,
                                                 fontFamily: 'Lato',
                                                 color: PaletteDark.pigeonBlue,
@@ -314,18 +332,37 @@ class ConfirmSendingAlertContentState extends State<ConfirmSendingAlertContent>
                                   ],
                                 );
                               })
-                              : Padding(
+                              : Column(
-                                padding: EdgeInsets.only(top: 8),
+                              children: [
-                                child: Text(
+                                if (outputs.first.parsedAddress.parseFrom !=
-                                  outputs.first.address,
+                                    ParseFrom.notParsed) Padding(
-                                  style: TextStyle(
+                                    padding: EdgeInsets.only(top: 8),
-                                  fontSize: 12,
+                                    child: Text(
-                                  fontWeight: FontWeight.w600,
+                                      outputs.first.parsedAddress.name,
-                                  fontFamily: 'Lato',
+                                      textAlign: TextAlign.center,
-                                  color: PaletteDark.pigeonBlue,
+                                      style: TextStyle(
-                                  decoration: TextDecoration.none,
+                                        fontSize: 14,
-                              ),
+                                        fontWeight: FontWeight.w600,
-                            ),
+                                        fontFamily: 'Lato',
+                                        color: PaletteDark.pigeonBlue,
+                                        decoration: TextDecoration.none,
+                                      ),
+                                    )
+                                ),
+                                Padding(
+                                    padding: EdgeInsets.only(top: 8),
+                                    child: Text(
+                                      outputs.first.address,
+                                      style: TextStyle(
+                                        fontSize: 10,
+                                        fontWeight: FontWeight.w600,
+                                        fontFamily: 'Lato',
+                                        color: PaletteDark.pigeonBlue,
+                                        decoration: TextDecoration.none,
+                                      ),
+                                    )
+                                ),
+                              ]
                           )
                         ],
                       ),

lib/src/screens/send/widgets/parse_address_from_domain_alert.dart

@@ -4,25 +4,64 @@ import 'package:cake_wallet/utils/show_pop_up.dart';
 import 'package:flutter/material.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 
-void showAddressAlert(BuildContext context, ParsedAddress parsedAddress) async {
+import 'choose_yat_address_alert.dart';
+
+Future<String> defineAddress(
+    BuildContext context,
+    ParsedAddress parsedAddress) async {
   var title = '';
   var content = '';
+  var address = '';
 
   switch (parsedAddress.parseFrom) {
     case ParseFrom.unstoppableDomains:
       title = S.of(context).address_detected;
       content = S.of(context).address_from_domain(parsedAddress.name);
+      address = parsedAddress.addresses.first;
       break;
     case ParseFrom.openAlias:
       title = S.of(context).openalias_alert_title;
       content = S.of(context).openalias_alert_content(parsedAddress.name);
+      address = parsedAddress.addresses.first;
       break;
     case ParseFrom.yatRecord:
+      if (parsedAddress.name.isEmpty) {
+        title = 'Yat error';
+        content = 'No addresses linked with this Yat. Try another Yat';
+        address = parsedAddress.addresses.first;
+        break;
+      }
+
       title = S.of(context).address_detected;
       content = S.of(context).address_from_yat(parsedAddress.name);
-      break;
+
+      if (parsedAddress.addresses.length == 1) {
+        address = parsedAddress.addresses.first;
+        break;
+      }
+
+      content += '\nPlease choose the address:';
+
+      address = await showPopUp<String>(
+          context: context,
+          builder: (BuildContext context) {
+
+            return WillPopScope(
+              child: ChooseYatAddressAlert(
+                alertTitle: title,
+                alertContent: content,
+                addresses: parsedAddress.addresses),
+              onWillPop: () async => false);
+          });
+
+      if (address?.isEmpty ?? true) {
+        return parsedAddress.name;
+      }
+
+      return address;
     case ParseFrom.notParsed:
-      return;
+      address = parsedAddress.addresses.first;
+      return address;
   }
 
   await showPopUp<void>(
@@ -35,4 +74,6 @@ void showAddressAlert(BuildContext context, ParsedAddress parsedAddress) async {
             buttonText: S.of(context).ok,
             buttonAction: () => Navigator.of(context).pop());
       });
+
+  return address;
 }

lib/src/screens/send/widgets/send_card.dart

@@ -147,10 +147,11 @@ class SendCardState extends State<SendCard>
                               .headline
                               .decorationColor),
                       onPushPasteButton: (context) async {
-                        final parsedAddress =
+                        output.resetParsedAddress();
-                        await output.applyOpenaliasOrUnstoppableDomains();
+                        await output.fetchParsedAddress(context);
-                        showAddressAlert(context, parsedAddress);
                       },
+                      onPushAddressBookButton: (context) =>
+                          output.resetParsedAddress(),
                       validator: sendViewModel.addressValidator,
                     ),
                     Observer(
@@ -531,8 +532,8 @@ class SendCardState extends State<SendCard>
 
     addressFocusNode.addListener(() async {
       if (!addressFocusNode.hasFocus && addressController.text.isNotEmpty) {
-        final parsedAddress = await output.applyOpenaliasOrUnstoppableDomains();
+        output.resetParsedAddress();
-        showAddressAlert(context, parsedAddress);
+        await output.fetchParsedAddress(context);
       }
     });
 

lib/src/screens/yat/yat_alert.dart

@@ -1,3 +1,5 @@
+import 'package:cake_wallet/core/wallet_base.dart';
+import 'package:cake_wallet/entities/wallet_type.dart';
 import 'package:cake_wallet/src/screens/yat/widgets/yat_bar.dart';
 import 'package:cake_wallet/src/widgets/primary_button.dart';
 import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
@@ -8,16 +10,20 @@ import 'package:url_launcher/url_launcher.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 
 class YatAlert extends StatelessWidget {
-  YatAlert({this.isYatDevMode = false})
+  YatAlert({@required this.wallet, this.isYatDevMode = false})
-      : baseUrl = isYatDevMode ? _baseDevUrl : _baseReleaseUrl;
+      : baseUrl = isYatDevMode ? _baseDevUrl : _baseReleaseUrl,
+        address = wallet.walletAddresses.address;
 
+  final WalletBase wallet;
   final bool isYatDevMode;
+  final String address;
   final String baseUrl;
   static const aspectRatioImage = 1.133;
   static const _baseDevUrl = 'https://yat.fyi';
   static const _baseReleaseUrl = 'https://y.at';
   static const _signInSuffix = '/partner/CW/link-email';
   static const _createSuffix = '/create';
+  static const _queryParameter = '?addresses=';
   final image = Image.asset('assets/images/yat_crypto.png');
 
   @override
@@ -107,7 +113,8 @@ class YatAlert extends StatelessWidget {
                           .arrow_up_right_square,
                       mainAxisAlignment: MainAxisAlignment.end,
                       onPressed: () {
-                        final url = baseUrl + _signInSuffix;
+                        final url = baseUrl + _signInSuffix + _queryParameter +
+                             _defineTag() + '%3D' + address;
                         launch(url);
                       })
                 )
@@ -116,4 +123,24 @@ class YatAlert extends StatelessWidget {
         )
     );
   }
+
+  String _defineTag() {
+    String tag;
+    switch (wallet.type) {
+      case WalletType.monero:
+        tag = address.startsWith('4')
+            ? '0x1001'
+            : '0x1002';
+        break;
+      case WalletType.bitcoin:
+        tag = '0x1003';
+        break;
+      case WalletType.litecoin:
+        tag = '0x3fff';
+        break;
+      default:
+        tag = '0x3fff';
+    }
+    return tag;
+  }
 }

lib/src/widgets/address_text_field.dart

@@ -25,7 +25,8 @@ class AddressTextField extends StatelessWidget {
       this.textStyle,
       this.hintStyle,
       this.validator,
-      this.onPushPasteButton});
+      this.onPushPasteButton,
+      this.onPushAddressBookButton});
 
   static const prefixIconWidth = 34.0;
   static const prefixIconHeight = 34.0;
@@ -45,6 +46,7 @@ class AddressTextField extends StatelessWidget {
   final TextStyle hintStyle;
   final FocusNode focusNode;
   final Function(BuildContext context) onPushPasteButton;
+  final Function(BuildContext context) onPushAddressBookButton;
 
   @override
   Widget build(BuildContext context) {
@@ -216,6 +218,7 @@ class AddressTextField extends StatelessWidget {
 
     if (contact is ContactBase && contact.address != null) {
       controller.text = contact.address;
+      onPushAddressBookButton?.call(context);
     }
   }
 

lib/view_model/send/output.dart

@@ -4,6 +4,7 @@ import 'package:cake_wallet/entities/calculate_fiat_amount_raw.dart';
 import 'package:cake_wallet/entities/parse_address_from_domain.dart';
 import 'package:cake_wallet/entities/parsed_address.dart';
 import 'package:cake_wallet/monero/monero_amount_format.dart';
+import 'package:cake_wallet/src/screens/send/widgets/parse_address_from_domain_alert.dart';
 import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
 import 'package:mobx/mobx.dart';
@@ -46,6 +47,8 @@ abstract class OutputBase with Store {
   @observable
   bool sendAll;
 
+  ParsedAddress parsedAddress;
+
   @computed
   int get formattedCryptoAmount {
     int amount = 0;
@@ -127,6 +130,11 @@ abstract class OutputBase with Store {
     fiatAmount = '';
     address = '';
     note = '';
+    resetParsedAddress();
+  }
+
+  void resetParsedAddress() {
+    parsedAddress = ParsedAddress(addresses: []);
   }
 
   @action
@@ -194,13 +202,10 @@ abstract class OutputBase with Store {
     _cryptoNumberFormat.maximumFractionDigits = maximumFractionDigits;
   }
 
-  Future<ParsedAddress> applyOpenaliasOrUnstoppableDomains() async {
+  Future<void> fetchParsedAddress(BuildContext context) async {
     final domain = address;
     final ticker = _wallet.currency.title.toLowerCase();
-    final parsedAddress = await parseAddressFromDomain(domain, ticker);
+    parsedAddress = await parseAddressFromDomain(domain, ticker);
-
+    address = await defineAddress(context, parsedAddress);
-    address = parsedAddress.address;
-
-    return parsedAddress;
   }
 }

lib/view_model/settings/settings_view_model.dart

@@ -162,7 +162,7 @@ abstract class SettingsViewModelBase with Store {
             await showPopUp<void>(
                 context: context,
                 builder: (BuildContext context) {
-                  return YatAlert(isYatDevMode: true);
+                  return YatAlert(wallet: wallet, isYatDevMode: true);
                 });
           },
         ),

lib/yat/yat_record.dart

@@ -2,9 +2,8 @@ import 'dart:convert';
 import 'package:cake_wallet/yat/yat_exception.dart';
 import 'package:http/http.dart';
 
-Future<String> fetchYatAddress(String emojiId, String ticker) async {
+Future<List<String>> fetchYatAddress(String emojiId, String ticker) async {
   const _requestURL = 'https://a.y.at/emoji_id/';
-
   final url = _requestURL + emojiId + '/' + ticker.toUpperCase();
   final response = await get(url);
 
@@ -16,14 +15,17 @@ Future<String> fetchYatAddress(String emojiId, String ticker) async {
   final result = responseJSON['result'] as List<dynamic>;
 
   if (result?.isEmpty ?? true) {
-    return '';
+    return [];
   }
 
-  final yatAddress = result.first['data'] as String;
+  final List<String> addresses = [];
 
-  if (yatAddress?.isEmpty ?? true) {
+  for (var elem in result) {
-    return '';
+    final yatAddress = elem['data'] as String;
+    if (yatAddress?.isNotEmpty ?? false) {
+      addresses.add(yatAddress);
+    }
   }
 
-  return yatAddress;
+  return addresses;
 }