mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-09-30 02:11:22 +00:00
804 lines
29 KiB
Dart
804 lines
29 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:flutter_svg/svg.dart';
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import 'package:stackwallet/models/buy/response_objects/crypto.dart';
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import 'package:stackwallet/models/buy/response_objects/fiat.dart';
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import 'package:stackwallet/pages/address_book_views/address_book_view.dart';
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import 'package:stackwallet/pages/buy_view/sub_widgets/crypto_selection_view.dart';
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import 'package:stackwallet/pages/buy_view/sub_widgets/fiat_crypto_toggle.dart';
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import 'package:stackwallet/pages/buy_view/sub_widgets/fiat_selection_view.dart';
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import 'package:stackwallet/pages/exchange_view/choose_from_stack_view.dart';
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import 'package:stackwallet/providers/providers.dart';
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import 'package:stackwallet/services/buy/simplex/simplex_api.dart';
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import 'package:stackwallet/utilities/address_utils.dart';
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import 'package:stackwallet/utilities/assets.dart';
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import 'package:stackwallet/utilities/barcode_scanner_interface.dart';
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import 'package:stackwallet/utilities/clipboard_interface.dart';
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import 'package:stackwallet/utilities/constants.dart';
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import 'package:stackwallet/utilities/enums/coin_enum.dart';
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import 'package:stackwallet/utilities/logger.dart';
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import 'package:stackwallet/utilities/text_styles.dart';
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import 'package:stackwallet/utilities/theme/stack_colors.dart';
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import 'package:stackwallet/utilities/util.dart';
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import 'package:stackwallet/widgets/custom_buttons/blue_text_button.dart';
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import 'package:stackwallet/widgets/custom_loading_overlay.dart';
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import 'package:stackwallet/widgets/desktop/desktop_dialog.dart';
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import 'package:stackwallet/widgets/desktop/desktop_dialog_close_button.dart';
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import 'package:stackwallet/widgets/desktop/primary_button.dart';
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import 'package:stackwallet/widgets/icon_widgets/addressbook_icon.dart';
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import 'package:stackwallet/widgets/icon_widgets/clipboard_icon.dart';
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import 'package:stackwallet/widgets/icon_widgets/qrcode_icon.dart';
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import 'package:stackwallet/widgets/icon_widgets/x_icon.dart';
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import 'package:stackwallet/widgets/rounded_container.dart';
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import 'package:stackwallet/widgets/rounded_white_container.dart';
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import 'package:stackwallet/widgets/stack_text_field.dart';
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import 'package:stackwallet/widgets/textfield_icon_button.dart';
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class BuyForm extends ConsumerStatefulWidget {
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const BuyForm({
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Key? key,
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this.clipboard = const ClipboardWrapper(),
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this.scanner = const BarcodeScannerWrapper(),
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}) : super(key: key);
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final ClipboardInterface clipboard;
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final BarcodeScannerInterface scanner;
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@override
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ConsumerState<BuyForm> createState() => _BuyFormState();
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}
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class _BuyFormState extends ConsumerState<BuyForm> {
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late final ClipboardInterface clipboard;
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late final BarcodeScannerInterface scanner;
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late final TextEditingController _receiveAddressController;
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late final TextEditingController _buyAmountController;
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final FocusNode _receiveAddressFocusNode = FocusNode();
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final FocusNode _fiatFocusNode = FocusNode();
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final FocusNode _cryptoFocusNode = FocusNode();
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final FocusNode _buyAmountFocusNode = FocusNode();
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final isDesktop = Util.isDesktop;
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List<Crypto>? coins;
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List<Fiat>? fiats;
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String? _address;
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Fiat? selectedFiat;
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Crypto? selectedCrypto;
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bool buyWithFiat = true;
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bool _addressToggleFlag = false;
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bool _hovering1 = false;
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bool _hovering2 = false;
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void fiatFieldOnChanged(String value) async {}
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void cryptoFieldOnChanged(String value) async {}
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void selectCrypto() async {
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if (ref.read(supportedSimplexCurrenciesProvider).supportedCryptos.isEmpty) {
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bool shouldPop = false;
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unawaited(
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showDialog(
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context: context,
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builder: (context) => WillPopScope(
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child: const CustomLoadingOverlay(
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message: "Loading currency data",
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eventBus: null,
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),
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onWillPop: () async => shouldPop,
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),
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),
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);
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await _loadSimplexCurrencies();
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shouldPop = true;
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if (mounted) {
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Navigator.of(context).pop();
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}
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}
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await _showFloatingCryptoSelectionSheet(
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coins: ref.read(supportedSimplexCurrenciesProvider).supportedCryptos,
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onSelected: (crypto) {
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setState(() {
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selectedCrypto = crypto;
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});
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},
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);
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}
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Future<void> _showFloatingCryptoSelectionSheet({
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required List<Crypto> coins,
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required void Function(Crypto) onSelected,
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}) async {
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_fiatFocusNode.unfocus();
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_cryptoFocusNode.unfocus();
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final result = isDesktop
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? await showDialog<Crypto?>(
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context: context,
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builder: (context) {
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return DesktopDialog(
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maxHeight: 700,
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maxWidth: 580,
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child: Column(
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Padding(
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padding: const EdgeInsets.only(
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left: 32,
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),
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child: Text(
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"Choose a crypto to buy",
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style: STextStyles.desktopH3(context),
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),
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),
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const DesktopDialogCloseButton(),
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],
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),
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Expanded(
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child: Padding(
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padding: const EdgeInsets.only(
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left: 32,
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right: 32,
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bottom: 32,
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),
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child: Row(
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children: [
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Expanded(
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child: RoundedWhiteContainer(
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padding: const EdgeInsets.all(16),
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borderColor: Theme.of(context)
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.extension<StackColors>()!
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.background,
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child: CryptoSelectionView(
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coins: coins,
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),
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),
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),
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],
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),
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),
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),
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],
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),
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);
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})
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: await Navigator.of(context).push(
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MaterialPageRoute<dynamic>(
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builder: (_) => CryptoSelectionView(
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coins: coins,
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),
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),
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);
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if (mounted && result is Crypto) {
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onSelected(result);
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}
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}
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Future<void> selectFiat() async {
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if (ref.read(supportedSimplexCurrenciesProvider).supportedFiats.isEmpty) {
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bool shouldPop = false;
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unawaited(
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showDialog(
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context: context,
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builder: (context) => WillPopScope(
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child: const CustomLoadingOverlay(
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message: "Loading currency data",
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eventBus: null,
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),
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onWillPop: () async => shouldPop,
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),
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),
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);
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await _loadSimplexCurrencies();
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shouldPop = true;
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if (mounted) {
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Navigator.of(context).pop();
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}
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}
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await _showFloatingFiatSelectionSheet(
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fiats: ref.read(supportedSimplexCurrenciesProvider).supportedFiats,
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onSelected: (fiat) {
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setState(() {
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selectedFiat = fiat;
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});
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},
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);
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}
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Future<void> _loadSimplexCurrencies() async {
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final response = await SimplexAPI.instance.getSupported();
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if (response.value != null) {
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ref
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.read(supportedSimplexCurrenciesProvider)
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.updateSupportedCryptos(response.value!.item1);
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ref
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.read(supportedSimplexCurrenciesProvider)
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.updateSupportedFiats(response.value!.item2);
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} else {
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Logging.instance.log(
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"_loadSimplexCurrencies: $response",
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level: LogLevel.Warning,
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);
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}
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}
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Future<void> _showFloatingFiatSelectionSheet({
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required List<Fiat> fiats,
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required void Function(Fiat) onSelected,
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}) async {
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_fiatFocusNode.unfocus();
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_cryptoFocusNode.unfocus();
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final result = isDesktop
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? await showDialog<Fiat?>(
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context: context,
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builder: (context) {
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return DesktopDialog(
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maxHeight: 700,
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maxWidth: 580,
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child: Column(
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Padding(
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padding: const EdgeInsets.only(
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left: 32,
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),
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child: Text(
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"Choose a fiat with which to pay",
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style: STextStyles.desktopH3(context),
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),
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),
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const DesktopDialogCloseButton(),
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],
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),
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Expanded(
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child: Padding(
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padding: const EdgeInsets.only(
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left: 32,
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right: 32,
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bottom: 32,
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),
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child: Row(
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children: [
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Expanded(
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child: RoundedWhiteContainer(
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padding: const EdgeInsets.all(16),
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borderColor: Theme.of(context)
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.extension<StackColors>()!
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.background,
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child: FiatSelectionView(
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fiats: fiats,
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),
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),
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),
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],
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),
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),
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),
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],
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),
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);
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})
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: await Navigator.of(context).push(
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MaterialPageRoute<dynamic>(
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builder: (_) => FiatSelectionView(
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fiats: fiats,
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),
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),
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);
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if (mounted && result is Fiat) {
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onSelected(result);
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}
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}
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String? _fetchIconUrlFromTicker(String? ticker) {
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if (ticker == null) return null;
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return null;
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}
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bool isStackCoin(String? ticker) {
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if (ticker == null) return false;
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try {
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coinFromTickerCaseInsensitive(ticker);
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return true;
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} on ArgumentError catch (_) {
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return false;
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}
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}
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@override
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void initState() {
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_receiveAddressController = TextEditingController();
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_buyAmountController = TextEditingController();
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clipboard = widget.clipboard;
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scanner = widget.scanner;
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coins = ref.read(supportedSimplexCurrenciesProvider).supportedCryptos;
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fiats = ref.read(supportedSimplexCurrenciesProvider).supportedFiats;
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// TODO set initial crypto to open wallet if a wallet is open
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super.initState();
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}
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@override
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void dispose() {
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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debugPrint("BUILD: $runtimeType");
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buyWithFiat = ref.watch(
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prefsChangeNotifierProvider.select((value) => value.buyWithFiat));
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return SizedBox(
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width:
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458, // TODO test that this displays well on mobile or else put in a ternary or something else appropriate to switch here
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Text(
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"I want to buy",
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style: STextStyles.itemSubtitle(context).copyWith(
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color: Theme.of(context).extension<StackColors>()!.textDark3,
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),
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),
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SizedBox(
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height: isDesktop ? 10 : 4,
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),
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MouseRegion(
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cursor: SystemMouseCursors.click,
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onEnter: (_) => setState(() => _hovering1 = true),
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onExit: (_) => setState(() => _hovering1 = false),
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child: GestureDetector(
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onTap: () {
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selectCrypto();
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},
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child: RoundedContainer(
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padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 6),
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color: _hovering1
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? Theme.of(context)
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.extension<StackColors>()!
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.highlight
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.withOpacity(_hovering1 ? 0.3 : 0)
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: Theme.of(context)
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.extension<StackColors>()!
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.textFieldDefaultBG,
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Row(children: <Widget>[
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SvgPicture.asset(
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Assets.svg.iconFor(
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coin: coinFromTickerCaseInsensitive("BTC"),
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),
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height: 18,
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width: 18,
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),
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const SizedBox(
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width: 10,
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),
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Expanded(
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child: Text(
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"BTC",
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style: STextStyles.largeMedium14(context),
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)),
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SvgPicture.asset(
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Assets.svg.chevronDown,
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color: Theme.of(context)
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.extension<StackColors>()!
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.buttonTextSecondaryDisabled,
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width: 10,
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height: 5,
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),
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]),
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),
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),
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),
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),
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SizedBox(
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height: isDesktop ? 20 : 12,
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),
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Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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"I want to pay with",
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style: STextStyles.itemSubtitle(context).copyWith(
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color: Theme.of(context).extension<StackColors>()!.textDark3,
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),
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),
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],
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),
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SizedBox(
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height: isDesktop ? 10 : 4,
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),
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MouseRegion(
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cursor: SystemMouseCursors.click,
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onEnter: (_) => setState(() => _hovering2 = true),
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onExit: (_) => setState(() => _hovering2 = false),
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child: GestureDetector(
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onTap: () {
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selectFiat();
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},
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child: RoundedContainer(
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padding: const EdgeInsets.symmetric(vertical: 3, horizontal: 6),
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color: _hovering2
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? Theme.of(context)
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.extension<StackColors>()!
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.highlight
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.withOpacity(_hovering2 ? 0.3 : 0)
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: Theme.of(context)
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.extension<StackColors>()!
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.textFieldDefaultBG,
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Row(children: <Widget>[
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RoundedContainer(
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radiusMultiplier: 0.5,
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padding: const EdgeInsets.symmetric(
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vertical: 2, horizontal: 4),
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color:
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Theme.of(context).extension<StackColors>()!.highlight,
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child: Text(
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"\$",
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style: STextStyles.itemSubtitle12(context),
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),
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),
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// SvgPicture.asset(
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// Assets.svg.iconFor(
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// coin: coinFromTickerCaseInsensitive("BTC"),
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// ),
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// height: 18,
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// width: 18,
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// ),
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const SizedBox(
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width: 10,
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),
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Expanded(
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child: Text(
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"USD",
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style: STextStyles.largeMedium14(context),
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)),
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SvgPicture.asset(
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Assets.svg.chevronDown,
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color: Theme.of(context)
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.extension<StackColors>()!
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.buttonTextSecondaryDisabled,
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width: 10,
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height: 5,
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),
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]),
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),
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),
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),
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),
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SizedBox(
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height: isDesktop ? 10 : 4,
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),
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Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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buyWithFiat ? "Enter amount" : "Enter crypto amount",
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style: STextStyles.itemSubtitle(context).copyWith(
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color: Theme.of(context).extension<StackColors>()!.textDark3,
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),
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),
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const FiatCryptoToggle(),
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],
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),
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// // these reads should be watch
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// if (ref.watch(buyFormStateProvider).fromAmount != null &&
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// ref.watch(buyFormStateProvider).fromAmount != Decimal.zero)
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SizedBox(
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height: isDesktop ? 10 : 4,
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),
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TextField(
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autocorrect: Util.isDesktop ? false : true,
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enableSuggestions: Util.isDesktop ? false : true,
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style: STextStyles.smallMed14(context).copyWith(
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color: Theme.of(context).extension<StackColors>()!.textDark,
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),
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key: const Key("amountInputFieldCryptoTextFieldKey"),
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controller: _buyAmountController,
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focusNode: _buyAmountFocusNode,
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keyboardType: Util.isDesktop
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? null
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: const TextInputType.numberWithOptions(
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signed: false,
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decimal: true,
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),
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textAlign: TextAlign.right,
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inputFormatters: [
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// TODO reactivate formatter
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// regex to validate a crypto amount with 8 decimal places
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// TextInputFormatter.withFunction((oldValue, newValue) =>
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// RegExp(r'^([0-9]*[,.]?[0-9]{0,8}|[,.][0-9]{0,8})$')
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// .hasMatch(newValue.text)
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// ? newValue
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// : oldValue),
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],
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decoration: InputDecoration(
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contentPadding: const EdgeInsets.only(
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top: 22,
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right: 12,
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bottom: 22,
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),
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hintText: "0",
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hintStyle: STextStyles.desktopTextExtraSmall(context).copyWith(
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color: Theme.of(context)
|
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.extension<StackColors>()!
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.textFieldDefaultText,
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),
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prefixIcon: FittedBox(
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fit: BoxFit.scaleDown,
|
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child: Padding(
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padding: const EdgeInsets.all(12),
|
|
child: Text(
|
|
"BTC",
|
|
style: STextStyles.smallMed14(context).copyWith(
|
|
color: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.accentColorDark),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
SizedBox(
|
|
height: isDesktop ? 20 : 12,
|
|
),
|
|
Row(
|
|
crossAxisAlignment: CrossAxisAlignment.end,
|
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
|
children: [
|
|
Text(
|
|
"Enter receiving address",
|
|
style: STextStyles.itemSubtitle(context).copyWith(
|
|
color: Theme.of(context).extension<StackColors>()!.textDark3,
|
|
),
|
|
),
|
|
if (isStackCoin(selectedCrypto?.ticker))
|
|
BlueTextButton(
|
|
text: "Choose from stack",
|
|
onTap: () {
|
|
try {
|
|
final coin = coinFromTickerCaseInsensitive(
|
|
selectedCrypto!.ticker,
|
|
);
|
|
Navigator.of(context)
|
|
.pushNamed(
|
|
ChooseFromStackView.routeName,
|
|
arguments: coin,
|
|
)
|
|
.then((value) async {
|
|
if (value is String) {
|
|
final manager = ref
|
|
.read(walletsChangeNotifierProvider)
|
|
.getManager(value);
|
|
|
|
// _toController.text = manager.walletName;
|
|
// model.recipientAddress =
|
|
// await manager.currentReceivingAddress;
|
|
_receiveAddressController.text =
|
|
await manager.currentReceivingAddress;
|
|
|
|
setState(() {});
|
|
}
|
|
});
|
|
} catch (e, s) {
|
|
Logging.instance.log("$e\n$s", level: LogLevel.Info);
|
|
}
|
|
},
|
|
),
|
|
],
|
|
),
|
|
SizedBox(
|
|
height: isDesktop ? 10 : 4,
|
|
),
|
|
ClipRRect(
|
|
borderRadius: BorderRadius.circular(
|
|
Constants.size.circularBorderRadius,
|
|
),
|
|
child: TextField(
|
|
key: const Key("buyViewReceiveAddressFieldKey"),
|
|
controller: _receiveAddressController,
|
|
readOnly: false,
|
|
autocorrect: false,
|
|
enableSuggestions: false,
|
|
// inputFormatters: <TextInputFormatter>[
|
|
// FilteringTextInputFormatter.allow(
|
|
// RegExp("[a-zA-Z0-9]{34}")),
|
|
// ],
|
|
toolbarOptions: const ToolbarOptions(
|
|
copy: false,
|
|
cut: false,
|
|
paste: true,
|
|
selectAll: false,
|
|
),
|
|
onChanged: (newValue) {
|
|
_address = newValue;
|
|
setState(() {
|
|
_addressToggleFlag = newValue.isNotEmpty;
|
|
});
|
|
},
|
|
focusNode: _receiveAddressFocusNode,
|
|
style: STextStyles.field(context),
|
|
decoration: standardInputDecoration(
|
|
/*"Enter ${coin.ticker} address",*/
|
|
"Enter address",
|
|
_receiveAddressFocusNode,
|
|
context,
|
|
).copyWith(
|
|
contentPadding: const EdgeInsets.only(
|
|
left: 16,
|
|
top: 6,
|
|
bottom: 8,
|
|
right: 5,
|
|
),
|
|
suffixIcon: Padding(
|
|
padding: _receiveAddressController.text.isEmpty
|
|
? const EdgeInsets.only(right: 8)
|
|
: const EdgeInsets.only(right: 0),
|
|
child: UnconstrainedBox(
|
|
child: Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceAround,
|
|
children: [
|
|
_addressToggleFlag
|
|
? TextFieldIconButton(
|
|
key: const Key(
|
|
"buyViewClearAddressFieldButtonKey"),
|
|
onTap: () {
|
|
_receiveAddressController.text = "";
|
|
// _receiveAddress = "";
|
|
setState(() {
|
|
_addressToggleFlag = false;
|
|
});
|
|
},
|
|
child: const XIcon(),
|
|
)
|
|
: TextFieldIconButton(
|
|
key: const Key(
|
|
"buyViewPasteAddressFieldButtonKey"),
|
|
onTap: () async {
|
|
final ClipboardData? data = await clipboard
|
|
.getData(Clipboard.kTextPlain);
|
|
if (data?.text != null &&
|
|
data!.text!.isNotEmpty) {
|
|
String content = data.text!.trim();
|
|
if (content.contains("\n")) {
|
|
content = content.substring(
|
|
0, content.indexOf("\n"));
|
|
}
|
|
|
|
_receiveAddressController.text = content;
|
|
_address = content;
|
|
|
|
setState(() {
|
|
_addressToggleFlag =
|
|
_receiveAddressController
|
|
.text.isNotEmpty;
|
|
});
|
|
}
|
|
},
|
|
child: _receiveAddressController.text.isEmpty
|
|
? const ClipboardIcon()
|
|
: const XIcon(),
|
|
),
|
|
if (_receiveAddressController.text.isEmpty)
|
|
TextFieldIconButton(
|
|
key: const Key("buyViewAddressBookButtonKey"),
|
|
onTap: () {
|
|
Navigator.of(context).pushNamed(
|
|
AddressBookView.routeName,
|
|
);
|
|
},
|
|
child: const AddressBookIcon(),
|
|
),
|
|
if (_receiveAddressController.text.isEmpty &&
|
|
!isDesktop)
|
|
TextFieldIconButton(
|
|
key: const Key("buyViewScanQrButtonKey"),
|
|
onTap: () async {
|
|
try {
|
|
if (FocusScope.of(context).hasFocus) {
|
|
FocusScope.of(context).unfocus();
|
|
await Future<void>.delayed(
|
|
const Duration(milliseconds: 75));
|
|
}
|
|
|
|
final qrResult = await scanner.scan();
|
|
|
|
Logging.instance.log(
|
|
"qrResult content: ${qrResult.rawContent}",
|
|
level: LogLevel.Info);
|
|
|
|
final results =
|
|
AddressUtils.parseUri(qrResult.rawContent);
|
|
|
|
Logging.instance.log(
|
|
"qrResult parsed: $results",
|
|
level: LogLevel.Info);
|
|
|
|
if (results.isNotEmpty) {
|
|
// auto fill address
|
|
_address = results["address"] ?? "";
|
|
_receiveAddressController.text = _address!;
|
|
|
|
setState(() {
|
|
_addressToggleFlag =
|
|
_receiveAddressController
|
|
.text.isNotEmpty;
|
|
});
|
|
|
|
// now check for non standard encoded basic address
|
|
} else {
|
|
_address = qrResult.rawContent;
|
|
_receiveAddressController.text =
|
|
_address ?? "";
|
|
|
|
setState(() {
|
|
_addressToggleFlag =
|
|
_receiveAddressController
|
|
.text.isNotEmpty;
|
|
});
|
|
}
|
|
} on PlatformException catch (e, s) {
|
|
// here we ignore the exception caused by not giving permission
|
|
// to use the camera to scan a qr code
|
|
Logging.instance.log(
|
|
"Failed to get camera permissions while trying to scan qr code in SendView: $e\n$s",
|
|
level: LogLevel.Warning,
|
|
);
|
|
}
|
|
},
|
|
child: const QrCodeIcon(),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
SizedBox(
|
|
height: isDesktop ? 20 : 12,
|
|
),
|
|
PrimaryButton(
|
|
buttonHeight: isDesktop ? ButtonHeight.l : null,
|
|
enabled: ref.watch(
|
|
exchangeFormStateProvider.select((value) => value.canExchange)),
|
|
onPressed: () {
|
|
// preview buy quote
|
|
},
|
|
label: "Preview quote",
|
|
)
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|