| 1 | import 'package:cake_wallet/core/amount_validator.dart'; |
| 2 | import 'package:cake_wallet/core/auth_service.dart'; |
| 3 | import 'package:cake_wallet/di.dart'; |
| 4 | import 'package:cake_wallet/exchange/limits_state.dart'; |
| 5 | import 'package:cake_wallet/generated/i18n.dart'; |
| 6 | import 'package:cake_wallet/reactions/wallet_connect.dart'; |
| 7 | import 'package:cake_wallet/src/screens/exchange/widgets/present_provider_picker.dart'; |
| 8 | import 'package:cake_wallet/src/widgets/base_text_form_field.dart'; |
| 9 | import 'package:cake_wallet/src/widgets/bottom_sheet/swap_details_bottom_sheet.dart'; |
| 10 | import 'package:cake_wallet/src/widgets/cake_image_widget.dart'; |
| 11 | import 'package:cake_wallet/utils/address_formatter.dart'; |
| 12 | import 'package:cake_wallet/utils/debounce.dart'; |
| 13 | import 'package:cw_core/amount/amount_sanitizer.dart'; |
| 14 | import 'package:cw_core/currency_for_wallet_type.dart'; |
| 15 | import 'package:cw_core/crypto_amount_format.dart'; |
| 16 | |
| 17 | import 'package:flutter/material.dart'; |
| 18 | import 'package:flutter/services.dart'; |
| 19 | import 'package:cake_wallet/src/widgets/bottom_sheet/base_bottom_sheet_widget.dart'; |
| 20 | import 'package:cake_wallet/src/widgets/primary_button.dart'; |
| 21 | import 'package:cw_core/wallet_type.dart'; |
| 22 | import 'package:cake_wallet/view_model/payment/payment_view_model.dart'; |
| 23 | import 'package:cake_wallet/view_model/exchange/exchange_view_model.dart'; |
| 24 | import 'package:cake_wallet/exchange/exchange_trade_state.dart'; |
| 25 | import 'package:flutter_mobx/flutter_mobx.dart'; |
| 26 | import 'package:cake_wallet/src/widgets/alert_with_one_action.dart'; |
| 27 | import 'package:cake_wallet/utils/show_pop_up.dart'; |
| 28 | import 'package:mobx/mobx.dart'; |
| 29 | |
| 30 | class SwapConfirmationBottomSheet extends BaseBottomSheet { |
| 31 | SwapConfirmationBottomSheet({ |
| 32 | Key? key, |
| 33 | required this.paymentFlowResult, |
| 34 | required this.exchangeViewModel, |
| 35 | required this.authService, |
| 36 | this.sessionId, |
| 37 | }) : super( |
| 38 | titleText: S.current.swap, |
| 39 | footerType: FooterType.none, |
| 40 | maxHeight: 900, |
| 41 | ); |
| 42 | |
| 43 | final PaymentFlowResult paymentFlowResult; |
| 44 | final ExchangeViewModel exchangeViewModel; |
| 45 | final AuthService authService; |
| 46 | final String? sessionId; |
| 47 | @override |
| 48 | Widget contentWidget(BuildContext context) { |
| 49 | return SingleChildScrollView( |
| 50 | padding: EdgeInsets.only( |
| 51 | bottom: MediaQuery.of(context).viewInsets.bottom, |
| 52 | ), |
| 53 | child: SwapConfirmationContent( |
| 54 | paymentFlowResult: paymentFlowResult, |
| 55 | exchangeViewModel: exchangeViewModel, |
| 56 | authService: authService, |
| 57 | ), |
| 58 | ); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | class SwapConfirmationContent extends StatefulWidget { |
| 63 | const SwapConfirmationContent({ |
| 64 | Key? key, |
| 65 | required this.paymentFlowResult, |
| 66 | required this.exchangeViewModel, |
| 67 | required this.authService, |
| 68 | }) : super(key: key); |
| 69 | |
| 70 | final PaymentFlowResult paymentFlowResult; |
| 71 | final ExchangeViewModel exchangeViewModel; |
| 72 | final AuthService authService; |
| 73 | |
| 74 | @override |
| 75 | SwapConfirmationContentState createState() => SwapConfirmationContentState(); |
| 76 | } |
| 77 | |
| 78 | class SwapConfirmationContentState extends State<SwapConfirmationContent> { |
| 79 | late TextEditingController _amountController; |
| 80 | late TextEditingController _amountFiatController; |
| 81 | late TextEditingController _addressController; |
| 82 | |
| 83 | final _receiveAmountDebounce = Debounce(Duration(milliseconds: 500)); |
| 84 | final _receiveAmountFiatDebounce = Debounce(Duration(milliseconds: 500)); |
| 85 | final FocusNode _amountFocus = FocusNode(); |
| 86 | final FocusNode _amountFiatFocus = FocusNode(); |
| 87 | final FocusNode _addressFocus = FocusNode(); |
| 88 | final _formKey = GlobalKey<FormState>(); |
| 89 | |
| 90 | ReactionDisposer? _receiveAmountReaction; |
| 91 | ReactionDisposer? _receiveAddressReaction; |
| 92 | ReactionDisposer? _tradeStateReaction; |
| 93 | ReactionDisposer? _bestRateReaction; |
| 94 | ReactionDisposer? _receiveAmountFiatReaction; |
| 95 | |
| 96 | bool _showingFailureDialog = false; |
| 97 | bool _showingSwapDetailsDialog = false; |
| 98 | bool _isUserTypingFiat = false; |
| 99 | |
| 100 | @override |
| 101 | void initState() { |
| 102 | super.initState(); |
| 103 | _addressController = |
| 104 | TextEditingController(text: widget.paymentFlowResult.addressDetectionResult?.address ?? ''); |
| 105 | _amountController = TextEditingController( |
| 106 | text: widget.paymentFlowResult.addressDetectionResult?.amount?.isNotEmpty ?? false |
| 107 | ? widget.paymentFlowResult.addressDetectionResult?.amount |
| 108 | : '0.00'); |
| 109 | _amountFiatController = |
| 110 | TextEditingController(text: widget.exchangeViewModel.receiveAmountFiatFormatted); |
| 111 | |
| 112 | WidgetsBinding.instance.addPostFrameCallback( |
| 113 | (_) => _setUpReactions( |
| 114 | context, |
| 115 | widget.exchangeViewModel, |
| 116 | widget.paymentFlowResult, |
| 117 | ), |
| 118 | ); |
| 119 | } |
| 120 | |
| 121 | @override |
| 122 | void dispose() { |
| 123 | _amountController.dispose(); |
| 124 | _amountFiatController.dispose(); |
| 125 | _addressController.dispose(); |
| 126 | _amountFocus.dispose(); |
| 127 | _amountFiatFocus.dispose(); |
| 128 | _addressFocus.dispose(); |
| 129 | _receiveAmountReaction?.call(); |
| 130 | _receiveAddressReaction?.call(); |
| 131 | _tradeStateReaction?.call(); |
| 132 | _bestRateReaction?.call(); |
| 133 | _receiveAmountFiatReaction?.call(); |
| 134 | _showingFailureDialog = false; |
| 135 | _showingSwapDetailsDialog = false; |
| 136 | widget.exchangeViewModel.bestRateSync.cancel(); |
| 137 | super.dispose(); |
| 138 | } |
| 139 | |
| 140 | @override |
| 141 | Widget build(BuildContext context) { |
| 142 | final detectedCurrency = widget.paymentFlowResult.detectedCurrency!; |
| 143 | |
| 144 | return Form( |
| 145 | key: _formKey, |
| 146 | child: Padding( |
| 147 | padding: const EdgeInsets.symmetric(horizontal: 16), |
| 148 | child: Column( |
| 149 | mainAxisSize: MainAxisSize.min, |
| 150 | crossAxisAlignment: CrossAxisAlignment.start, |
| 151 | children: [ |
| 152 | Row( |
| 153 | mainAxisAlignment: MainAxisAlignment.center, |
| 154 | children: [ |
| 155 | CakeImageWidget( |
| 156 | imageUrl: widget.exchangeViewModel.depositCurrency.iconPath!, |
| 157 | width: 32, |
| 158 | height: 32, |
| 159 | ), |
| 160 | const SizedBox(width: 12), |
| 161 | Icon(Icons.arrow_forward, size: 24), |
| 162 | const SizedBox(width: 12), |
| 163 | Stack( |
| 164 | clipBehavior: Clip.none, |
| 165 | children: [ |
| 166 | CakeImageWidget( |
| 167 | imageUrl: detectedCurrency.iconPath ?? '', |
| 168 | width: 32, |
| 169 | height: 32, |
| 170 | ), |
| 171 | if (isEVMCompatibleChain(widget.paymentFlowResult.walletType!)) ...[ |
| 172 | Positioned( |
| 173 | bottom: -4, |
| 174 | right: -4, |
| 175 | child: CakeImageWidget( |
| 176 | imageUrl: getCryptoCurrencyIconForWalletListItem( |
| 177 | widget.paymentFlowResult.walletType!, |
| 178 | chainId: widget.paymentFlowResult.chainId, |
| 179 | ), |
| 180 | width: 16, |
| 181 | height: 16, |
| 182 | ), |
| 183 | ), |
| 184 | ], |
| 185 | ], |
| 186 | ), |
| 187 | ], |
| 188 | ), |
| 189 | const SizedBox(height: 16), |
| 190 | SwapConfirmationTextfield( |
| 191 | key: ValueKey('swap_confirmation_bottomsheet_amount_textfield_key'), |
| 192 | hintText: 'Amount (${detectedCurrency})', |
| 193 | focusNode: _amountFocus, |
| 194 | controller: _amountController, |
| 195 | keyboardType: TextInputType.numberWithOptions(decimal: true, signed: false), |
| 196 | inputFormatters: [ |
| 197 | FilteringTextInputFormatter.deny(RegExp('[\\-|\\ ]')), |
| 198 | ], |
| 199 | onChanged: (value) { |
| 200 | final sanitized = value |
| 201 | .sanitized() |
| 202 | .withMaxDecimals(widget.exchangeViewModel.receiveCurrency.decimals); |
| 203 | if (sanitized != _amountController.text) { |
| 204 | // Update text while preserving a sane cursor position to avoid auto-selection |
| 205 | _amountController.value = _amountController.value.copyWith( |
| 206 | text: sanitized, |
| 207 | selection: TextSelection.collapsed(offset: sanitized.length), |
| 208 | composing: TextRange.empty, |
| 209 | ); |
| 210 | } |
| 211 | }, |
| 212 | validator: (value) { |
| 213 | return AmountValidator( |
| 214 | isAutovalidate: true, |
| 215 | currency: widget.exchangeViewModel.receiveCurrency, |
| 216 | amountParsingProxy: widget.exchangeViewModel.amountParsingProxy, |
| 217 | minValue: widget.exchangeViewModel.limits.min.toString(), |
| 218 | maxValue: widget.exchangeViewModel.limits.max.toString(), |
| 219 | ).call(value); |
| 220 | }, |
| 221 | ), |
| 222 | Observer( |
| 223 | builder: (_) { |
| 224 | String? min = '0.0'; |
| 225 | String? max = '0.0'; |
| 226 | |
| 227 | final limitsState = widget.exchangeViewModel.limitsState; |
| 228 | if (limitsState is LimitsLoadedSuccessfully) { |
| 229 | min = limitsState.limits.min?.toString(); |
| 230 | max = limitsState.limits.max?.toString(); |
| 231 | } |
| 232 | |
| 233 | if (limitsState is LimitsLoadedFailure) { |
| 234 | min = '0.0'; |
| 235 | max = '0.0'; |
| 236 | } |
| 237 | |
| 238 | if (limitsState is LimitsIsLoading) { |
| 239 | min = '...'; |
| 240 | max = '...'; |
| 241 | } |
| 242 | if (min != null || max != null) { |
| 243 | return Container( |
| 244 | height: 15, |
| 245 | child: Row( |
| 246 | mainAxisAlignment: MainAxisAlignment.start, |
| 247 | children: <Widget>[ |
| 248 | min != null |
| 249 | ? Text( |
| 250 | key: ValueKey('min_limit_text_key'), |
| 251 | S.of(context).min_value(min, detectedCurrency.toString()), |
| 252 | style: Theme.of(context).textTheme.bodySmall!.copyWith( |
| 253 | fontSize: 10, |
| 254 | height: 1.2, |
| 255 | color: Theme.of(context).colorScheme.onSurfaceVariant, |
| 256 | ), |
| 257 | ) |
| 258 | : Offstage(), |
| 259 | min != null ? SizedBox(width: 10) : Offstage(), |
| 260 | max != null |
| 261 | ? Text( |
| 262 | key: ValueKey('max_limit_text_key'), |
| 263 | S.of(context).max_value(max, detectedCurrency.toString()), |
| 264 | style: Theme.of(context).textTheme.bodySmall!.copyWith( |
| 265 | fontSize: 10, |
| 266 | height: 1.2, |
| 267 | color: Theme.of(context).colorScheme.onSurfaceVariant, |
| 268 | ), |
| 269 | ) |
| 270 | : Offstage(), |
| 271 | ], |
| 272 | ), |
| 273 | ); |
| 274 | } |
| 275 | |
| 276 | return SizedBox.shrink(); |
| 277 | }, |
| 278 | ), |
| 279 | const SizedBox(height: 8), |
| 280 | SwapConfirmationTextfield( |
| 281 | key: ValueKey('swap_confirmation_bottomsheet_amount_fiat_textfield_key'), |
| 282 | hintText: 'Amount (${widget.exchangeViewModel.fiat.title})', |
| 283 | focusNode: _amountFiatFocus, |
| 284 | controller: _amountFiatController, |
| 285 | keyboardType: TextInputType.numberWithOptions(decimal: true), |
| 286 | ), |
| 287 | const SizedBox(height: 8), |
| 288 | SwapConfirmationTextfield( |
| 289 | key: ValueKey('swap_confirmation_bottomsheet_address_textfield_key'), |
| 290 | isAddress: true, |
| 291 | walletType: |
| 292 | cryptoCurrencyOrTokenToWalletType(widget.exchangeViewModel.receiveCurrency), |
| 293 | hintText: 'Destination Address', |
| 294 | focusNode: _addressFocus, |
| 295 | controller: _addressController, |
| 296 | ), |
| 297 | SizedBox(height: 8), |
| 298 | Center( |
| 299 | child: Text( |
| 300 | 'Tap field to edit values', |
| 301 | style: Theme.of(context).textTheme.bodySmall!.copyWith( |
| 302 | fontSize: 10, |
| 303 | color: Theme.of(context).colorScheme.onSurfaceVariant, |
| 304 | ), |
| 305 | ), |
| 306 | ), |
| 307 | SizedBox(height: 32), |
| 308 | SwapConfirmationFooter( |
| 309 | exchangeViewModel: widget.exchangeViewModel, |
| 310 | formKey: _formKey, |
| 311 | authService: widget.authService, |
| 312 | ), |
| 313 | ], |
| 314 | ), |
| 315 | ), |
| 316 | ); |
| 317 | } |
| 318 | |
| 319 | void _setUpReactions( |
| 320 | BuildContext context, |
| 321 | ExchangeViewModel exchangeViewModel, |
| 322 | PaymentFlowResult paymentFlowResult, |
| 323 | ) async { |
| 324 | _receiveAmountReaction = reaction((_) => exchangeViewModel.receiveAmount, (String amount) { |
| 325 | if (_amountController.text != amount) { |
| 326 | _amountController.text = amount; |
| 327 | } |
| 328 | }); |
| 329 | |
| 330 | _receiveAmountFiatReaction = |
| 331 | reaction((_) => exchangeViewModel.receiveAmountFiatFormatted, (String amount) { |
| 332 | if (!_isUserTypingFiat && _amountFiatController.text != amount) { |
| 333 | _amountFiatController.text = amount; |
| 334 | } |
| 335 | }); |
| 336 | |
| 337 | _receiveAddressReaction = reaction((_) => exchangeViewModel.receiveAddress, (String address) { |
| 338 | if (_addressController.text != address) { |
| 339 | _addressController.text = address; |
| 340 | } |
| 341 | }); |
| 342 | |
| 343 | _tradeStateReaction = reaction((_) => exchangeViewModel.tradeState, (ExchangeTradeState state) { |
| 344 | if (state is TradeIsCreatedFailure && !_showingFailureDialog) { |
| 345 | _showingFailureDialog = true; |
| 346 | WidgetsBinding.instance.addPostFrameCallback((_) { |
| 347 | if (context.mounted) { |
| 348 | showPopUp<void>( |
| 349 | context: context, |
| 350 | builder: (BuildContext context) { |
| 351 | return AlertWithOneAction( |
| 352 | key: const ValueKey('swap_confirmation_trade_creation_failure_dialog_key'), |
| 353 | buttonKey: |
| 354 | const ValueKey('swap_confirmation_trade_creation_failure_dialog_button_key'), |
| 355 | alertTitle: S.of(context).provider_error(state.title), |
| 356 | alertContent: state.error, |
| 357 | buttonText: S.of(context).ok, |
| 358 | buttonAction: () { |
| 359 | _showingFailureDialog = false; |
| 360 | if (Navigator.of(context).canPop()) { |
| 361 | Navigator.of(context).pop(); |
| 362 | } |
| 363 | }, |
| 364 | ); |
| 365 | }, |
| 366 | ); |
| 367 | } |
| 368 | }); |
| 369 | } |
| 370 | |
| 371 | if (state is TradeIsCreatedSuccessfully) { |
| 372 | exchangeViewModel.reset(); |
| 373 | if (Navigator.of(context).canPop() && !_showingSwapDetailsDialog) { |
| 374 | _showingSwapDetailsDialog = true; |
| 375 | Navigator.of(context).pop(); |
| 376 | showModalBottomSheet<void>( |
| 377 | context: context, |
| 378 | isDismissible: true, |
| 379 | isScrollControlled: true, |
| 380 | builder: (BuildContext context) { |
| 381 | _showingSwapDetailsDialog = false; |
| 382 | return getIt.get<SwapDetailsBottomSheet>(); |
| 383 | }, |
| 384 | ); |
| 385 | } |
| 386 | } |
| 387 | }); |
| 388 | |
| 389 | _bestRateReaction = reaction((_) => exchangeViewModel.bestRate, (double rate) { |
| 390 | if (exchangeViewModel.isFixedRateMode) { |
| 391 | exchangeViewModel.changeReceiveAmount(amount: _amountController.text); |
| 392 | } |
| 393 | }); |
| 394 | |
| 395 | _addressController |
| 396 | .addListener(() => exchangeViewModel.receiveAddress = _addressController.text); |
| 397 | |
| 398 | _amountController.addListener(() { |
| 399 | if (_amountController.text != exchangeViewModel.receiveAmount) { |
| 400 | _receiveAmountDebounce.run(() { |
| 401 | exchangeViewModel.loadLimits(); |
| 402 | exchangeViewModel.changeReceiveAmount(amount: _amountController.text); |
| 403 | exchangeViewModel.isReceiveAmountEntered = true; |
| 404 | }); |
| 405 | } |
| 406 | }); |
| 407 | |
| 408 | _amountFiatController.addListener(() { |
| 409 | if (_amountFiatController.text != exchangeViewModel.receiveAmountFiatFormatted) { |
| 410 | _isUserTypingFiat = true; |
| 411 | _receiveAmountFiatDebounce.run(() { |
| 412 | exchangeViewModel.loadLimits(); |
| 413 | exchangeViewModel.setReceiveAmountFromFiat(fiatAmount: _amountFiatController.text); |
| 414 | // Reset the flag after the debounced operation completes |
| 415 | Future.delayed(Duration(milliseconds: 100), () { |
| 416 | _isUserTypingFiat = false; |
| 417 | }); |
| 418 | }); |
| 419 | } |
| 420 | }); |
| 421 | |
| 422 | _amountFocus.addListener(() { |
| 423 | if (_amountFocus.hasFocus) { |
| 424 | exchangeViewModel.enableFixedRateMode(); |
| 425 | } |
| 426 | }); |
| 427 | |
| 428 | _amountFiatFocus.addListener(() { |
| 429 | if (_amountFiatFocus.hasFocus) { |
| 430 | _isUserTypingFiat = true; |
| 431 | } else { |
| 432 | // Reset the flag when user stops focusing on the field |
| 433 | Future.delayed(Duration(milliseconds: 200), () { |
| 434 | _isUserTypingFiat = false; |
| 435 | }); |
| 436 | } |
| 437 | }); |
| 438 | |
| 439 | exchangeViewModel.receiveCurrency = paymentFlowResult.detectedCurrency!; |
| 440 | |
| 441 | await exchangeViewModel.fetchFiatPrice(exchangeViewModel.receiveCurrency); |
| 442 | |
| 443 | exchangeViewModel.receiveAddress = _addressController.text; |
| 444 | exchangeViewModel.depositAddress = exchangeViewModel.wallet.walletAddresses.addressForExchange; |
| 445 | exchangeViewModel.setCanonicalReceiveAmount(_amountController.text); |
| 446 | _amountFiatController.text = exchangeViewModel.receiveAmountFiatFormatted; |
| 447 | exchangeViewModel.isReceiveAmountEntered = true; |
| 448 | exchangeViewModel.isFixedRateMode = true; |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | class SwapConfirmationTextfield extends StatelessWidget { |
| 453 | const SwapConfirmationTextfield({ |
| 454 | super.key, |
| 455 | required this.focusNode, |
| 456 | required this.controller, |
| 457 | required this.hintText, |
| 458 | this.walletType, |
| 459 | this.isAddress = false, |
| 460 | this.maxLines = 1, |
| 461 | this.validator, |
| 462 | this.keyboardType, |
| 463 | this.onChanged, |
| 464 | this.inputFormatters, |
| 465 | }); |
| 466 | |
| 467 | final FocusNode focusNode; |
| 468 | final TextEditingController controller; |
| 469 | final String hintText; |
| 470 | final WalletType? walletType; |
| 471 | final bool isAddress; |
| 472 | final int maxLines; |
| 473 | final String? Function(String?)? validator; |
| 474 | final TextInputType? keyboardType; |
| 475 | final void Function(String)? onChanged; |
| 476 | final List<TextInputFormatter>? inputFormatters; |
| 477 | @override |
| 478 | Widget build(BuildContext context) { |
| 479 | return Container( |
| 480 | width: double.infinity, |
| 481 | padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4), |
| 482 | decoration: ShapeDecoration( |
| 483 | color: Theme.of(context).colorScheme.surfaceContainer, |
| 484 | shape: RoundedRectangleBorder( |
| 485 | borderRadius: BorderRadius.circular(10), |
| 486 | side: focusNode.hasFocus |
| 487 | ? BorderSide(color: Theme.of(context).colorScheme.primary) |
| 488 | : BorderSide.none, |
| 489 | ), |
| 490 | ), |
| 491 | child: Column( |
| 492 | crossAxisAlignment: CrossAxisAlignment.start, |
| 493 | children: [ |
| 494 | Text( |
| 495 | hintText, |
| 496 | style: Theme.of(context).textTheme.bodySmall!.copyWith( |
| 497 | fontSize: 10, |
| 498 | color: Theme.of(context).colorScheme.onSurfaceVariant, |
| 499 | ), |
| 500 | ), |
| 501 | if (isAddress) SizedBox(height: 8), |
| 502 | isAddress |
| 503 | ? AddressFormatter.buildSegmentedAddress( |
| 504 | address: controller.text, |
| 505 | walletType: walletType, |
| 506 | evenTextStyle: Theme.of(context).textTheme.bodyMedium!.copyWith( |
| 507 | fontWeight: FontWeight.w400, |
| 508 | fontSize: 12, |
| 509 | ), |
| 510 | ) |
| 511 | : BaseTextFormField( |
| 512 | isDense: true, |
| 513 | hintText: hintText, |
| 514 | focusNode: focusNode, |
| 515 | hasUnderlineBorder: true, |
| 516 | borderWidth: 0.0, |
| 517 | controller: controller, |
| 518 | maxLines: maxLines, |
| 519 | validator: validator, |
| 520 | keyboardType: keyboardType, |
| 521 | onChanged: onChanged, |
| 522 | inputFormatters: inputFormatters, |
| 523 | ), |
| 524 | ], |
| 525 | ), |
| 526 | ); |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | class SwapConfirmationFooter extends StatelessWidget { |
| 531 | const SwapConfirmationFooter({ |
| 532 | super.key, |
| 533 | required this.exchangeViewModel, |
| 534 | required this.formKey, |
| 535 | required this.authService, |
| 536 | }); |
| 537 | |
| 538 | final ExchangeViewModel exchangeViewModel; |
| 539 | final AuthService authService; |
| 540 | final GlobalKey<FormState> formKey; |
| 541 | |
| 542 | @override |
| 543 | Widget build(BuildContext context) { |
| 544 | return Container( |
| 545 | height: 150, |
| 546 | width: double.infinity, |
| 547 | padding: const EdgeInsets.symmetric(horizontal: 8), |
| 548 | child: Observer( |
| 549 | builder: (_) { |
| 550 | final isLoading = exchangeViewModel.tradeState is TradeIsCreating || |
| 551 | exchangeViewModel.limitsState is LimitsIsLoading; |
| 552 | final isDisabled = exchangeViewModel.selectedProviders.isEmpty || |
| 553 | exchangeViewModel.receiveAmount.isEmpty || |
| 554 | exchangeViewModel.receiveAddress.isEmpty; |
| 555 | |
| 556 | return Column( |
| 557 | mainAxisSize: MainAxisSize.min, |
| 558 | children: [ |
| 559 | PrimaryButton( |
| 560 | text: S.current.cancel, |
| 561 | onPressed: isLoading |
| 562 | ? null |
| 563 | : () { |
| 564 | if (Navigator.of(context).canPop()) { |
| 565 | Navigator.of(context).pop(null); |
| 566 | } |
| 567 | }, |
| 568 | color: Theme.of(context).colorScheme.surfaceContainer, |
| 569 | textColor: Theme.of(context).colorScheme.onSecondaryContainer, |
| 570 | ), |
| 571 | const SizedBox(height: 12), |
| 572 | LoadingPrimaryButton( |
| 573 | text: S.current.continue_text, |
| 574 | onPressed: exchangeViewModel.isAvailableInSelected |
| 575 | ? () { |
| 576 | FocusScope.of(context).unfocus(); |
| 577 | |
| 578 | if (formKey.currentState != null && formKey.currentState!.validate()) { |
| 579 | final check = exchangeViewModel.shouldDisplayTOTP(); |
| 580 | authService.authenticateAction( |
| 581 | context, |
| 582 | conditionToDetermineIfToUse2FA: check, |
| 583 | onAuthSuccess: (value) { |
| 584 | if (value) { |
| 585 | exchangeViewModel.createTrade(); |
| 586 | } |
| 587 | }, |
| 588 | ); |
| 589 | } |
| 590 | } |
| 591 | : () => PresentProviderPicker(exchangeViewModel: exchangeViewModel) |
| 592 | .presentProviderPicker(context), |
| 593 | color: Theme.of(context).colorScheme.primary, |
| 594 | textColor: Theme.of(context).colorScheme.onPrimary, |
| 595 | isDisabled: isDisabled, |
| 596 | isLoading: isLoading, |
| 597 | ), |
| 598 | ], |
| 599 | ); |
| 600 | }, |
| 601 | ), |
| 602 | ); |
| 603 | } |
| 604 | } |