Start to implement transactions

lib/models/history.dart

@@ -1,8 +1,12 @@
+import 'dart:io';
+
+import 'package:dubp/dubp.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:gecko/globals.dart';
 import 'package:gecko/models/home.dart';
 import 'package:gecko/screens/history.dart';
+import 'package:gecko/screens/myWallets/unlockingWallet.dart';
 import 'package:graphql_flutter/graphql_flutter.dart';
 import 'package:jdenticon_dart/jdenticon_dart.dart';
 import 'package:permission_handler/permission_handler.dart';
@@ -45,6 +49,20 @@ class HistoryProvider with ChangeNotifier {
     return barcode;
   }
 
+  void pay(amount, comment) {
+    UnlockingWallet();
+
+    String dewif = File(walletsDirectory.path +
+            '${defaultWallet.split(':')[0]}/wallet.dewif')
+        .readAsLinesSync()[0];
+    DubpRust.simplePaymentFromTransparentAccount(
+        accountIndex: 0,
+        amount: 1,
+        dewif: dewif,
+        gvaEndpoint: endPointGVA,
+        recipient: pubkey);
+  }
+
   String isPubkey(context, pubkey, {bool goHistory}) {
     HomeProvider _homeProvider =
         Provider.of<HomeProvider>(context, listen: false);

lib/screens/history.dart

@@ -7,6 +7,7 @@ import 'package:gecko/models/queries.dart';
 import 'package:gecko/models/history.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/foundation.dart';
+import 'package:gecko/screens/myWallets/unlockingWallet.dart';
 import 'dart:ui';
 import 'package:graphql_flutter/graphql_flutter.dart';
 import 'package:provider/provider.dart';
@@ -315,7 +316,7 @@ class HistoryScreen extends StatelessWidget with ChangeNotifier {
                             // ),
                             _historyProvider.isHistoryScreen
                                 ? historyView(context, result)
-                                : payView(context),
+                                : payView(context, _historyProvider),
                           ],
                         ))),
                 onNotification: (t) {
@@ -332,7 +333,8 @@ class HistoryScreen extends StatelessWidget with ChangeNotifier {
     ));
   }
 
-  Widget payView(context) {
+  Widget payView(context, HistoryProvider _historyProvider) {
+    TextEditingController payAmount = new TextEditingController();
     TextEditingController payComment = new TextEditingController();
 
     return Stack(
@@ -361,6 +363,7 @@ class HistoryScreen extends StatelessWidget with ChangeNotifier {
               Padding(
                 padding: EdgeInsets.all(8.0),
                 child: TextFormField(
+                  controller: payAmount,
                   textAlign: TextAlign.center,
                   maxLines: 1,
                   keyboardType: TextInputType.number,
@@ -375,9 +378,10 @@ class HistoryScreen extends StatelessWidget with ChangeNotifier {
                     style: OutlinedButton.styleFrom(
                         side: BorderSide(width: 2, color: Color(0xffD28928))),
                     onPressed: () {
-                      if (_formKey.currentState.validate()) {
+                      // if (_formKey.currentState.validate()) {
-                        _formKey.currentState.save();
+                      //   _formKey.currentState.save();
-                      }
+                      // }
+                      _historyProvider.pay(payAmount.text, payComment.text);
                     },
                     child: Padding(
                         padding: const EdgeInsets.all(12),

pubspec.yaml

@@ -5,7 +5,7 @@ description: Pay with G1.
 # pub.dev using `pub publish`. This is preferred for private packages.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 
-version: 0.0.1+22
+version: 0.0.1+23
 
 environment:
   sdk: ">=2.7.0 <3.0.0"