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update polkadot-js/api to v1.9.0-beta.0 & refactored referendum vote
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shawn
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Mar 24, 2020
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,202 @@ | ||
| import 'dart:convert'; | ||
| import 'dart:math'; | ||
|
|
||
| import 'package:flutter/cupertino.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_mobx/flutter_mobx.dart'; | ||
| import 'package:polka_wallet/common/components/roundedButton.dart'; | ||
| import 'package:polka_wallet/common/regInputFormatter.dart'; | ||
| import 'package:polka_wallet/page/account/txConfirmPage.dart'; | ||
| import 'package:polka_wallet/store/app.dart'; | ||
| import 'package:polka_wallet/store/governance.dart'; | ||
| import 'package:polka_wallet/utils/UI.dart'; | ||
| import 'package:polka_wallet/utils/format.dart'; | ||
| import 'package:polka_wallet/utils/i18n/index.dart'; | ||
|
|
||
| class ReferendumVotePage extends StatefulWidget { | ||
| ReferendumVotePage(this.store); | ||
| static final String route = '/gov/referenda'; | ||
| final AppStore store; | ||
| @override | ||
| _ReferendumVoteState createState() => _ReferendumVoteState(store); | ||
| } | ||
|
|
||
| class _ReferendumVoteState extends State<ReferendumVotePage> { | ||
| _ReferendumVoteState(this.store); | ||
| final AppStore store; | ||
|
|
||
| final _formKey = GlobalKey<FormState>(); | ||
|
|
||
| final TextEditingController _amountCtrl = new TextEditingController(); | ||
|
|
||
| final List<int> _voteConvictionOptions = [0, 1, 2, 3, 4, 5, 6]; | ||
|
|
||
| int _voteConviction = 0; | ||
|
|
||
| void _onSubmit(int id, bool voteYes) { | ||
| if (_formKey.currentState.validate()) { | ||
| var govDic = I18n.of(context).gov; | ||
| int decimals = store.settings.networkState.tokenDecimals; | ||
| String amt = _amountCtrl.text.trim(); | ||
| Map vote = { | ||
| 'balance': (double.parse(amt) * pow(10, decimals)).toInt(), | ||
| 'vote': {'aye': voteYes, 'conviction': _voteConviction}, | ||
| }; | ||
| var args = { | ||
| "title": govDic['vote.proposal'], | ||
| "txInfo": { | ||
| "module": 'democracy', | ||
| "call": 'vote', | ||
| }, | ||
| "detail": jsonEncode({ | ||
| "id": id, | ||
| "balance": amt, | ||
| "vote": vote['vote'], | ||
| }), | ||
| "params": [ | ||
| // "id" | ||
| id, | ||
| // "options" | ||
| {"Standard": vote}, | ||
| ], | ||
| 'onFinish': (BuildContext txPageContext) { | ||
| Navigator.popUntil(txPageContext, ModalRoute.withName('/')); | ||
| globalDemocracyRefreshKey.currentState.show(); | ||
| } | ||
| }; | ||
| Navigator.of(context).pushNamed(TxConfirmPage.route, arguments: args); | ||
| } | ||
| } | ||
|
|
||
| List<num> _calcTimes(int value) { | ||
| double amountX = 0.1; | ||
| int timeX = 0; | ||
| if (value > 0) { | ||
| amountX = value * 1.0; | ||
| timeX = pow(2, value - 1); | ||
| } | ||
| return [amountX, timeX]; | ||
| } | ||
|
|
||
| String _getConvictionLabel(int value) { | ||
| var dicGov = I18n.of(context).gov; | ||
| List times = _calcTimes(value); | ||
| return value == 0 | ||
| ? dicGov['locked.no'] | ||
| : '${dicGov['locked']} ${times[1] * 8} ${dicGov['day']} (${times[1]}x)'; | ||
| } | ||
|
|
||
| void _showConvictionSelect() { | ||
| showCupertinoModalPopup( | ||
| context: context, | ||
| builder: (_) => Container( | ||
| height: MediaQuery.of(context).copyWith().size.height / 3, | ||
| child: WillPopScope( | ||
| child: CupertinoPicker( | ||
| backgroundColor: Colors.white, | ||
| itemExtent: 58, | ||
| scrollController: | ||
| FixedExtentScrollController(initialItem: _voteConviction), | ||
| children: _voteConvictionOptions.map((i) { | ||
| return Padding( | ||
| padding: EdgeInsets.all(16), | ||
| child: Text(_getConvictionLabel(i))); | ||
| }).toList(), | ||
| onSelectedItemChanged: (v) { | ||
| setState(() { | ||
| _voteConviction = v; | ||
| }); | ||
| }, | ||
| ), | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| var govDic = I18n.of(context).gov; | ||
| return Scaffold( | ||
| appBar: AppBar( | ||
| title: Text(govDic['vote.proposal']), | ||
| centerTitle: true, | ||
| ), | ||
| body: Observer( | ||
| builder: (_) { | ||
| final Map<String, String> dic = I18n.of(context).assets; | ||
| final Map<String, String> dicGov = I18n.of(context).gov; | ||
| int decimals = store.settings.networkState.tokenDecimals; | ||
|
|
||
| int balance = Fmt.balanceInt(store.assets.balance); | ||
|
|
||
| Map args = ModalRoute.of(context).settings.arguments; | ||
| ReferendumInfo info = args['referenda']; | ||
| bool voteYes = args['voteYes']; | ||
| return SafeArea( | ||
| child: Column( | ||
| children: <Widget>[ | ||
| Expanded( | ||
| child: Form( | ||
| key: _formKey, | ||
| child: ListView( | ||
| children: <Widget>[ | ||
| Padding( | ||
| padding: EdgeInsets.all(16), | ||
| child: Text( | ||
| dicGov[voteYes ? 'yes.text' : 'no.text'], | ||
| style: Theme.of(context).textTheme.display4, | ||
| ), | ||
| ), | ||
| Padding( | ||
| padding: | ||
| EdgeInsets.only(left: 16, right: 16, bottom: 16), | ||
| child: TextFormField( | ||
| decoration: InputDecoration( | ||
| hintText: dic['amount'], | ||
| labelText: | ||
| '${dic['amount']} (${dic['balance']}: ${Fmt.token(balance)})', | ||
| ), | ||
| inputFormatters: [ | ||
| RegExInputFormatter.withRegex( | ||
| '^[0-9]{0,6}(\\.[0-9]{0,$decimals})?\$') | ||
| ], | ||
| controller: _amountCtrl, | ||
| keyboardType: | ||
| TextInputType.numberWithOptions(decimal: true), | ||
| validator: (v) { | ||
| if (v.isEmpty) { | ||
| return dic['amount.error']; | ||
| } | ||
| if (double.parse(v.trim()) >= | ||
| balance / pow(10, decimals)) { | ||
| return dic['amount.low']; | ||
| } | ||
| return null; | ||
| }, | ||
| ), | ||
| ), | ||
| ListTile( | ||
| title: Text(dicGov['locked']), | ||
| subtitle: Text(_getConvictionLabel(_voteConviction)), | ||
| trailing: Icon(Icons.arrow_forward_ios, size: 18), | ||
| onTap: _showConvictionSelect, | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ), | ||
| Container( | ||
| padding: EdgeInsets.all(16), | ||
| child: RoundedButton( | ||
| text: I18n.of(context).home['submit.tx'], | ||
| onPressed: () => _onSubmit(info.index, voteYes), | ||
| ), | ||
| ) | ||
| ], | ||
| ), | ||
| ); | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
| } |
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