Create and sign xts in dart

app/lib/models/communities/community_identifier.dart

@@ -47,6 +47,10 @@ class CommunityIdentifier {
     return utf8.decode(geohash) + codec.encode(digest);
   }
 
+  et.CommunityIdentifier toPolkadart() {
+    return et.CommunityIdentifier(geohash: geohash, digest: digest);
+  }
+
   // By default, the dart `==` operator returns only true iff both variables point to the same instance. We want to
   // override this behaviour, such that it is also true if the instances contain the same values.
   @override

app/lib/page-encointer/ceremony_box/ceremony_box.dart

@@ -77,7 +77,14 @@ class CeremonyBox extends StatelessWidget {
                           if (store.dataUpdate.expired) {
                             await awaitDataUpdateWithDialog(context, store);
                           }
-                          await submitRegisterParticipant(context, store, api);
+                          await submitRegisterParticipant(
+                            context,
+                            store,
+                            api,
+                            store.account.getKeyringAccount(store.account.currentAccountPubKey!),
+                            store.encointer.chosenCid!,
+                            txPaymentAsset: store.encointer.getTxPaymentAsset(store.encointer.chosenCid),
+                          );
                         }),
                   ),
                 if (store.encointer.showRestartCeremonyButton)
@@ -117,7 +124,14 @@ class CeremonyBox extends StatelessWidget {
                           Text(context.l10n.claimsSubmitN(store.encointer.communityAccount!.scannedAttendeesCount)),
                         ],
                       ),
-                      onPressed: () => submitAttestClaims(context, store, api),
+                      onPressed: () => submitAttestAttendees(
+                        context,
+                        store,
+                        api,
+                        store.account.getKeyringAccount(store.account.currentAccountPubKey!),
+                        store.encointer.chosenCid!,
+                        txPaymentAsset: store.encointer.getTxPaymentAsset(store.encointer.chosenCid),
+                      ),
                     ),
                   )
               ],

app/lib/page-encointer/ceremony_box/components/unregister_link_button.dart

@@ -9,6 +9,7 @@ import 'package:encointer_wallet/service/substrate_api/api.dart';
 import 'package:encointer_wallet/l10n/l10.dart';
 import 'package:encointer_wallet/service/tx/lib/tx.dart';
 import 'package:encointer_wallet/store/app.dart';
+import 'package:encointer_wallet/models/index.dart';
 
 class UnregisteredLinkButton extends StatefulWidget {
   const UnregisteredLinkButton({super.key});
@@ -24,7 +25,24 @@ class _UnregisteredLinkButtonState extends State<UnregisteredLinkButton> {
     setState(() {
       _submitting = true;
     });
-    await submitUnRegisterParticipant(context, context.read<AppStore>(), webApi);
+
+    final store = context.read<AppStore>();
+
+    final lastProofOfAttendance = store.encointer.communityAccount?.participantType?.isReputable ?? false
+        ? store.encointer.account
+            ?.lastProofOfAttendance // can still be null if the participant did not register on the same phone.
+        : null;
+
+    await submitUnRegisterParticipant(
+      context,
+      store,
+      webApi,
+      store.account.getKeyringAccount(store.account.currentAccountPubKey!),
+      store.encointer.chosenCid!,
+      lastProofOfAttendance: lastProofOfAttendance,
+      txPaymentAsset: store.encointer.getTxPaymentAsset(store.encointer.chosenCid),
+    );
+
     setState(() {
       _submitting = false;
     });

app/lib/page-encointer/meetup/ceremony_step3_finish.dart

@@ -90,7 +90,14 @@ class CeremonyStep3Finish extends StatelessWidget {
                           Text(l10n.claimsSubmitN(store.encointer.communityAccount!.scannedAttendeesCount)),
                         ],
                       ),
-                      onPressed: (context) => submitAttestClaims(context, store, api),
+                      onPressed: (context) => submitAttestAttendees(
+                        context,
+                        store,
+                        api,
+                        store.account.getKeyringAccount(store.account.currentAccountPubKey!),
+                        store.encointer.chosenCid!,
+                        txPaymentAsset: store.encointer.getTxPaymentAsset(store.encointer.chosenCid),
+                      ),
                     );
                   } else {
                     return Column(

app/lib/page/assets/index.dart

@@ -256,15 +256,19 @@ class _AssetsViewState extends State<AssetsView> {
                           if (snapshot.hasData) {
                             final hasPendingIssuance = snapshot.data!;
 
+                            final store = widget.store;
+
                             if (hasPendingIssuance) {
                               return SubmitButton(
                                 key: const Key(EWTestKeys.claimPendingDev),
                                 child: Text(l10n.issuancePending, textAlign: TextAlign.center),
                                 onPressed: (context) => submitClaimRewards(
                                   context,
-                                  widget.store,
+                                  store,
                                   webApi,
+                                  store.account.getKeyringAccount(store.account.currentAccountPubKey!),
                                   widget.store.encointer.chosenCid!,
+                                  txPaymentAsset: store.encointer.getTxPaymentAsset(store.encointer.chosenCid),
                                 ),
                               );
                             } else {

app/lib/page/assets/transfer/payment_confirmation_page/index.dart

@@ -64,8 +64,10 @@ class _PaymentConfirmationPageState extends State<PaymentConfirmationPage> {
     final cid = params.cid;
     final recipientAccount = params.recipientAccount;
     final amount = params.amount;
-    final recipientAddress =
-        AddressUtils.pubKeyHexToAddress(recipientAccount.pubKey, prefix: store.settings.endpoint.ss58!);
+    final recipientAddress = Address(
+      pubkey: AddressUtils.pubKeyHexToPubKey(recipientAccount.pubKey),
+      prefix: store.settings.endpoint.ss58!,
+    );
 
     return Scaffold(
       appBar: AppBar(title: Text(l10n.payment)),
@@ -133,31 +135,35 @@ class _PaymentConfirmationPageState extends State<PaymentConfirmationPage> {
     );
   }
 
-  Future<void> _submit(BuildContext context, CommunityIdentifier cid, String recipientAddress, double? amount) async {
-    final params = encointerBalanceTransferParams(cid, recipientAddress, amount, context.l10n);
-
-    setState(() {
-      _transferState = TransferState.submitting;
-    });
-
+  Future<void> _submit(
+    BuildContext context,
+    CommunityIdentifier cid,
+    Address recipientAddress,
+    double amount,
+  ) async {
     final pin = await context.read<LoginStore>().getPin(context);
     if (pin != null) {
-      await submitTx(
+      setState(() {
+        _transferState = TransferState.submitting;
+      });
+
+      final store = context.read<AppStore>();
+      await submitEncointerTransfer(
         context,
-        context.read<AppStore>(),
+        store,
         widget.api,
-        params,
+        store.account.getKeyringAccount(store.account.currentAccountPubKey!),
+        cid,
+        recipientAddress,
+        amount,
+        txPaymentAsset: store.encointer.getTxPaymentAsset(store.encointer.chosenCid),
         onFinish: onFinish,
         onError: onError,
       );
 
       Log.d('TransferState after callback: $_transferState', 'PaymentConfirmationPage');
       // trigger rebuild after state update in callback
       setState(() {});
-    } else {
-      setState(() {
-        _transferState = TransferState.notStarted;
-      });
     }
   }
 

app/lib/page/profile/account/account_manage_page.dart

@@ -161,12 +161,12 @@ class _AccountManagePageState extends State<AccountManagePage> {
                   shrinkWrap: true,
                   itemCount: faucets!.length,
                   itemBuilder: (BuildContext context, int index) {
-                    final faucetAccount = faucets!.keys.elementAt(index);
+                    final faucetPubKeyHex = faucets!.keys.elementAt(index);
                     return FaucetListTile(
                       store,
                       userAddress: addressSS58,
-                      faucet: faucets![faucetAccount]!,
-                      faucetAccount: faucetAccount,
+                      faucet: faucets![faucetPubKeyHex]!,
+                      faucetPubKey: faucetPubKeyHex,
                     );
                   },
                 )

app/lib/page/profile/account/faucet_list_tile.dart

@@ -17,14 +17,14 @@ class FaucetListTile extends StatefulWidget {
     this.store, {
     super.key,
     required this.userAddress,
-    required this.faucetAccount,
+    required this.faucetPubKey,
     required this.faucet,
   });
 
   final AppStore store;
 
   final String userAddress;
-  final String faucetAccount;
+  final String faucetPubKey;
   final Faucet faucet;
 
   @override
@@ -79,7 +79,11 @@ class _FaucetListTileState extends State<FaucetListTile> {
             if (snapshot.data!.isNotEmpty) {
               return SubmitButtonSmall(
                 onPressed: (context) async {
-                  await _submitFaucetDripTxs(context, snapshot.data!, widget.faucetAccount);
+                  await _submitFaucetDripTxs(
+                    context,
+                    snapshot.data!,
+                    widget.faucetPubKey,
+                  );
                   future = _getUncommittedReputationIds(widget.userAddress);
                   nativeBalance = getNativeFreeBalance(widget.userAddress);
                   setState(() {});
@@ -130,8 +134,18 @@ class _FaucetListTileState extends State<FaucetListTile> {
     Map<int, CommunityIdentifier> ids,
     String faucetAccount,
   ) async {
+    final store = widget.store;
     final e = ids.entries.first;
-    return submitFaucetDrip(context, widget.store, webApi, faucetAccount, e.value, e.key);
+    return submitFaucetDrip(
+      context,
+      store,
+      webApi,
+      store.account.getKeyringAccount(store.account.currentAccountPubKey!),
+      faucetAccount,
+      e.value,
+      e.key,
+      txPaymentAsset: store.encointer.getTxPaymentAsset(store.encointer.chosenCid),
+    );
   }
 
   Future<BigInt> getNativeFreeBalance(String address) async {

app/lib/page/profile/contacts/contact_detail_page.dart

@@ -288,7 +288,15 @@ class EndorseButton extends StatelessWidget {
     } else if (store.encointer.currentPhase != CeremonyPhase.Registering) {
       await _popupDialog(context, l10n.canEndorseInRegisteringPhaseOnly);
     } else {
-      await submitEndorseNewcomer(context, store, api, store.encointer.chosenCid, address);
+      await submitEndorseNewcomer(
+        context,
+        store,
+        api,
+        store.account.getKeyringAccount(store.account.currentAccountPubKey!),
+        store.encointer.chosenCid!,
+        Address.decode(address),
+        txPaymentAsset: store.encointer.getTxPaymentAsset(store.encointer.chosenCid),
+      );
     }
   }
 }

app/lib/page/profile/index.dart

@@ -240,8 +240,8 @@ class _ProfileState extends State<Profile> {
                             Text('Next-Phase (only works for local dev-network)'),
                           ],
                         ),
-                        onPressed: (_) async {
-                          final res = await submitNextPhase(webApi);
+                        onPressed: (BuildContext context) async {
+                          final res = await submitNextPhaseWithAlice(context, store, webApi);
                           RootSnackBar.showMsg(res.toString());
                         },
                       ),

app/lib/page/reap_voucher/reap_voucher_page.dart

@@ -46,6 +46,7 @@ class ReapVoucherPage extends StatefulWidget {
 }
 
 class _ReapVoucherPageState extends State<ReapVoucherPage> {
+  late KeyringAccount _voucherKeyringAccount;
   String? _voucherAddress;
   double? _voucherBalance;
 
@@ -56,8 +57,8 @@ class _ReapVoucherPageState extends State<ReapVoucherPage> {
     Log.d('Fetching voucher data...', 'ReapVoucherPage');
     final store = context.read<AppStore>();
 
-    final voucherPair = await KeyringAccount.fromUri('Voucher', voucherUri);
-    _voucherAddress = voucherPair.address(prefix: store.settings.endpoint.ss58 ?? 42).encode();
+    _voucherKeyringAccount = await KeyringAccount.fromUri('Voucher', voucherUri);
+    _voucherAddress = _voucherKeyringAccount.address(prefix: store.settings.endpoint.ss58 ?? 42).encode();
 
     setState(() {});
 
@@ -96,12 +97,12 @@ class _ReapVoucherPageState extends State<ReapVoucherPage> {
   @override
   Widget build(BuildContext context) {
     final l10n = context.l10n;
-    final store = context.watch<AppStore>();
+    final store = context.read<AppStore>();
     final h2Grey = context.titleLarge.copyWith(color: AppColors.encointerGrey);
     final h4Grey = context.bodyLarge.copyWith(color: AppColors.encointerGrey);
 
     final voucher = widget.voucher;
-    final recipient = store.account.currentAddress;
+    final recipient = Address.decode(store.account.currentAddress);
 
     return Scaffold(
       appBar: AppBar(title: Text(l10n.voucher)),
@@ -156,7 +157,7 @@ class _ReapVoucherPageState extends State<ReapVoucherPage> {
             SubmitButton(
               key: const Key(EWTestKeys.submitVoucher),
               onPressed: _isReady
-                  ? (context) => _submitReapVoucher(context, voucher.voucherUri, voucher.cid, recipient)
+                  ? (context) => _submitReapVoucher(context, _voucherKeyringAccount, voucher.cid, recipient)
                   : null,
               child: Row(
                 mainAxisAlignment: MainAxisAlignment.center,
@@ -175,24 +176,28 @@ class _ReapVoucherPageState extends State<ReapVoucherPage> {
 
   Future<void> _submitReapVoucher(
     BuildContext context,
-    String voucherUri,
+    KeyringAccount voucherKeyringAccount,
     CommunityIdentifier cid,
-    String recipientAddress,
+    Address recipientAddress,
   ) async {
     // Fixme, use proper threshold here: #589
     if (_voucherBalance! < 0.04) return showRedeemFailedDialog(context, context.l10n.voucherBalanceTooLow);
 
-    final res = await submitReapVoucher(widget.api, voucherUri, recipientAddress, cid);
-
-    if (res['hash'] == null) {
-      Log.d('Error redeeming voucher: ${res['error']}', 'ReapVoucherPage');
-      await showRedeemFailedDialog(context, res['error'] as String?);
-    } else {
-      await VoucherDialogs.showRedeemSuccessDialog(
-        context: context,
-        onOK: () => Navigator.of(context).popUntil((route) => route.isFirst),
-      );
-    }
+    await submitEncointerTransferAll(
+      context, context.read<AppStore>(), widget.api, voucherKeyringAccount, recipientAddress, cid,
+      // the voucher obviously has tokens in cid.
+      txPaymentAsset: cid,
+      onError: (report) async {
+        Log.d('Error redeeming voucher: ${report.toJson()}', 'ReapVoucherPage');
+        await showRedeemFailedDialog(context, report.toJson().toString());
+      },
+      onFinish: (context, report) async {
+        await VoucherDialogs.showRedeemSuccessDialog(
+          context: context,
+          onOK: () => Navigator.of(context).popUntil((route) => route.isFirst),
+        );
+      },
+    );
   }
 
   Future<ChangeResult?> _changeNetworkAndCommunityIfNeeded(

app/lib/service/substrate_api/account_api.dart

@@ -5,6 +5,7 @@ import 'package:encointer_wallet/service/log/log_service.dart';
 import 'package:encointer_wallet/service/notification/lib/notification.dart';
 import 'package:encointer_wallet/service/substrate_api/api.dart';
 import 'package:encointer_wallet/service/substrate_api/core/js_api.dart';
+import 'package:encointer_wallet/service/tx/lib/src/tx_notification.dart';
 import 'package:encointer_wallet/service/tx/lib/src/send_tx_dart.dart';
 import 'package:encointer_wallet/store/account/account.dart';
 import 'package:encointer_wallet/store/app.dart';
@@ -52,22 +53,18 @@ class AccountApi {
   }
 
   Future<ExtrinsicReport> sendTxAndShowNotification(
-    Map<String, dynamic> txInfo,
-    List<dynamic>? params, {
-    String? rawParam,
+    OpaqueExtrinsic xt,
+    TxNotification? notification, {
     String? cid,
   }) async {
-    final res = await getSignedTx(txInfo, params, rawParam: rawParam);
+    final report = await EWAuthorApi(provider).submitAndWatchExtrinsicWithReport(xt);
 
-    final report =
-        await EWAuthorApi(provider).submitAndWatchExtrinsicWithReport(Extrinsic.fromHex(res['xt'] as String));
-
-    if (report.isExtrinsicSuccess) {
+    if (report.isExtrinsicSuccess && notification != null) {
       final hash = report.blockHash;
       unawaited(NotificationPlugin.showNotification(
         int.parse(hash.substring(0, 6)),
-        '${txInfo['notificationTitle']}',
-        '${txInfo['notificationBody']}',
+        notification.title,
+        notification.body,
         cid: cid,
       ));
     }