| 1 | import 'package:cake_wallet/evm/evm.dart'; |
| 2 | import 'package:cake_wallet/generated/i18n.dart'; |
| 3 | import 'package:cake_wallet/utils/payment_request.dart'; |
| 4 | import 'package:cw_core/currency_for_wallet_type.dart'; |
| 5 | import 'package:cw_core/generate_name.dart'; |
| 6 | import 'package:flutter/material.dart'; |
| 7 | import 'package:cake_wallet/src/widgets/bottom_sheet/base_bottom_sheet_widget.dart'; |
| 8 | import 'package:cake_wallet/src/widgets/primary_button.dart'; |
| 9 | import 'package:cw_core/wallet_type.dart'; |
| 10 | import 'package:cake_wallet/view_model/payment/payment_view_model.dart'; |
| 11 | import 'package:cake_wallet/view_model/wallet_switcher_view_model.dart'; |
| 12 | import 'package:cake_wallet/reactions/wallet_connect.dart'; |
| 13 | import 'package:flutter_mobx/flutter_mobx.dart'; |
| 14 | |
| 15 | class PaymentConfirmationBottomSheet extends BaseBottomSheet { |
| 16 | PaymentConfirmationBottomSheet({ |
| 17 | Key? key, |
| 18 | required this.paymentFlowResult, |
| 19 | required this.paymentViewModel, |
| 20 | required this.walletSwitcherViewModel, |
| 21 | required this.paymentRequest, |
| 22 | required this.onSelectWallet, |
| 23 | required this.onChangeWallet, |
| 24 | required this.onSwap, |
| 25 | this.onSwitchNetwork, |
| 26 | }) : super( |
| 27 | titleText: '', |
| 28 | footerType: FooterType.none, |
| 29 | maxHeight: 900, |
| 30 | ); |
| 31 | |
| 32 | final PaymentFlowResult paymentFlowResult; |
| 33 | final PaymentViewModel paymentViewModel; |
| 34 | final WalletSwitcherViewModel walletSwitcherViewModel; |
| 35 | final PaymentRequest paymentRequest; |
| 36 | final VoidCallback onSelectWallet; |
| 37 | final VoidCallback onChangeWallet; |
| 38 | final void Function(BuildContext) onSwap; |
| 39 | final VoidCallback? onSwitchNetwork; |
| 40 | |
| 41 | @override |
| 42 | Widget contentWidget(BuildContext context) { |
| 43 | return _PaymentConfirmationContent( |
| 44 | paymentFlowResult: paymentFlowResult, |
| 45 | paymentViewModel: paymentViewModel, |
| 46 | walletSwitcherViewModel: walletSwitcherViewModel, |
| 47 | paymentRequest: paymentRequest, |
| 48 | onSelectWallet: onSelectWallet, |
| 49 | onChangeWallet: onChangeWallet, |
| 50 | onSwap: onSwap, |
| 51 | onSwitchNetwork: onSwitchNetwork, |
| 52 | ); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | class _PaymentConfirmationContent extends StatelessWidget { |
| 57 | const _PaymentConfirmationContent({ |
| 58 | required this.paymentFlowResult, |
| 59 | required this.paymentViewModel, |
| 60 | required this.walletSwitcherViewModel, |
| 61 | required this.paymentRequest, |
| 62 | required this.onSelectWallet, |
| 63 | required this.onChangeWallet, |
| 64 | required this.onSwap, |
| 65 | this.onSwitchNetwork, |
| 66 | }); |
| 67 | |
| 68 | final PaymentFlowResult paymentFlowResult; |
| 69 | final PaymentViewModel paymentViewModel; |
| 70 | final WalletSwitcherViewModel walletSwitcherViewModel; |
| 71 | final PaymentRequest paymentRequest; |
| 72 | final VoidCallback onSelectWallet; |
| 73 | final VoidCallback onChangeWallet; |
| 74 | final void Function(BuildContext) onSwap; |
| 75 | final VoidCallback? onSwitchNetwork; |
| 76 | |
| 77 | /// Checks if the given address is a MWEB or SP (Silent Payment) address |
| 78 | bool _isMwebOrSpAddress(String address) { |
| 79 | if (address.isEmpty) return false; |
| 80 | |
| 81 | final lowerAddress = address.toLowerCase(); |
| 82 | |
| 83 | // Check for MWEB addresses (Litecoin MWEB addresses start with "ltcmweb1") |
| 84 | if (lowerAddress.startsWith('ltcmweb1')) return true; |
| 85 | |
| 86 | // Check for Silent Payment addresses (Bitcoin SP addresses start with "sp1", "tsp1") |
| 87 | if (lowerAddress.startsWith('sp1') || lowerAddress.startsWith('tsp1')) return true; |
| 88 | |
| 89 | return false; |
| 90 | } |
| 91 | |
| 92 | /// Checks if flow type is token selection (EVM, Solana, or Tron) |
| 93 | bool _isTokenSelectionFlow(PaymentFlowType type) { |
| 94 | return type == PaymentFlowType.evmNetworkSelection || |
| 95 | type == PaymentFlowType.solanaTokenSelection || |
| 96 | type == PaymentFlowType.tronTokenSelection; |
| 97 | } |
| 98 | |
| 99 | @override |
| 100 | Widget build(BuildContext context) { |
| 101 | return Observer( |
| 102 | builder: (_) { |
| 103 | final currencyName = walletTypeToString(paymentViewModel.detectedWalletType!); |
| 104 | final currentWalletName = isEVMCompatibleChain(paymentViewModel.currentWalletType) |
| 105 | ? evm!.getChainNameByChainId(paymentViewModel.currentChainId!) |
| 106 | : walletTypeToString(paymentViewModel.currentWalletType); |
| 107 | |
| 108 | final hasSingleWallet = paymentFlowResult.type == PaymentFlowType.singleWallet || |
| 109 | paymentFlowResult.wallets.length == 1; |
| 110 | |
| 111 | final hasMultipleWallets = paymentFlowResult.type == PaymentFlowType.multipleWallets || |
| 112 | paymentFlowResult.wallets.length > 1; |
| 113 | |
| 114 | final noAvailableWallets = paymentFlowResult.type == PaymentFlowType.noWallets || |
| 115 | paymentFlowResult.wallets.isEmpty; |
| 116 | |
| 117 | final hasAtLeastOneWallet = hasSingleWallet || hasMultipleWallets; |
| 118 | |
| 119 | final isMwebOrSpAddress = |
| 120 | _isMwebOrSpAddress(paymentFlowResult.addressDetectionResult?.address ?? ''); |
| 121 | |
| 122 | /// If the wallet is EVM but the detected chainId is different from the currently selected chainId |
| 123 | final isEVMWalletButDifferentChainId = |
| 124 | paymentFlowResult.type == PaymentFlowType.evmNetworkSelection && |
| 125 | paymentFlowResult.wallet != null && |
| 126 | isEVMCompatibleChain(paymentViewModel.currentWalletType); |
| 127 | |
| 128 | final otherWalletsCount = paymentFlowResult.wallets.length; |
| 129 | final hasMultipleOtherWallets = otherWalletsCount > 1; |
| 130 | |
| 131 | return Container( |
| 132 | padding: const EdgeInsets.fromLTRB(24, 0, 24, 24), |
| 133 | child: Column( |
| 134 | mainAxisSize: MainAxisSize.min, |
| 135 | crossAxisAlignment: CrossAxisAlignment.center, |
| 136 | children: [ |
| 137 | if (_isTokenSelectionFlow(paymentFlowResult.type)) ...[ |
| 138 | Stack( |
| 139 | clipBehavior: Clip.none, |
| 140 | children: [ |
| 141 | Image.asset( |
| 142 | paymentFlowResult.addressDetectionResult?.detectedCurrency?.iconPath ?? '', |
| 143 | width: 70, |
| 144 | height: 70, |
| 145 | errorBuilder: (context, error, stackTrace) => Icon( |
| 146 | Icons.currency_bitcoin, |
| 147 | size: 70, |
| 148 | color: Theme.of(context).colorScheme.onSurface, |
| 149 | ), |
| 150 | ), |
| 151 | Positioned( |
| 152 | bottom: 0, |
| 153 | right: 0, |
| 154 | child: Image.asset( |
| 155 | getCryptoCurrencyIconForWalletListItem( |
| 156 | paymentViewModel.detectedWalletType!, |
| 157 | chainId: paymentViewModel.detectedChainId, |
| 158 | ), |
| 159 | width: 32, |
| 160 | height: 32, |
| 161 | errorBuilder: (context, error, stackTrace) => Icon( |
| 162 | Icons.account_balance_wallet, |
| 163 | size: 32, |
| 164 | color: Theme.of(context).colorScheme.onSurface, |
| 165 | ), |
| 166 | ), |
| 167 | ), |
| 168 | ], |
| 169 | ), |
| 170 | const SizedBox(height: 20), |
| 171 | Text( |
| 172 | '${paymentFlowResult.addressDetectionResult?.detectedCurrency} (${walletTypeToString(paymentFlowResult.walletType!)})', |
| 173 | style: Theme.of(context).textTheme.titleMedium!.copyWith( |
| 174 | fontSize: 20, |
| 175 | fontWeight: FontWeight.w900, |
| 176 | color: Theme.of(context).colorScheme.onSurface, |
| 177 | letterSpacing: 0.0, |
| 178 | ), |
| 179 | textAlign: TextAlign.center, |
| 180 | ), |
| 181 | const SizedBox(height: 24), |
| 182 | Text( |
| 183 | '''Would you like to ${!noAvailableWallets ? 'switch to a $currencyName wallet or' : ''} swap ${currentWalletName.capitalized()} for ${paymentFlowResult.addressDetectionResult?.detectedCurrency} (${walletTypeToString(paymentFlowResult.walletType!)}) for this payment?''', |
| 184 | textAlign: TextAlign.center, |
| 185 | style: Theme.of(context).textTheme.bodyMedium!.copyWith( |
| 186 | fontSize: 16, |
| 187 | fontWeight: FontWeight.w600, |
| 188 | color: Theme.of(context).colorScheme.onSurfaceVariant, |
| 189 | letterSpacing: 0.0, |
| 190 | ), |
| 191 | ), |
| 192 | ] else ...[ |
| 193 | Image.asset( |
| 194 | getCryptoCurrencyIconForWalletListItem( |
| 195 | paymentViewModel.detectedWalletType!, |
| 196 | chainId: paymentViewModel.detectedChainId, |
| 197 | ), |
| 198 | width: 118, |
| 199 | height: 118, |
| 200 | ), |
| 201 | const SizedBox(height: 20), |
| 202 | Text( |
| 203 | '$currencyName ${S.current.address_detected.toLowerCase()}', |
| 204 | style: Theme.of(context).textTheme.titleMedium!.copyWith( |
| 205 | fontSize: 20, |
| 206 | fontWeight: FontWeight.w900, |
| 207 | color: Theme.of(context).colorScheme.onSurface, |
| 208 | letterSpacing: 0.0, |
| 209 | ), |
| 210 | textAlign: TextAlign.center, |
| 211 | ), |
| 212 | const SizedBox(height: 24), |
| 213 | Text( |
| 214 | '''Looks like you scanned a $currencyName address.\n\n''' |
| 215 | '''Would you like to ${!noAvailableWallets ? 'switch to a $currencyName wallet or' : ''} swap ${currentWalletName.capitalized()} for $currencyName for this payment?''', |
| 216 | textAlign: TextAlign.center, |
| 217 | style: Theme.of(context).textTheme.bodyMedium!.copyWith( |
| 218 | fontSize: 16, |
| 219 | fontWeight: FontWeight.w600, |
| 220 | color: Theme.of(context).colorScheme.onSurfaceVariant, |
| 221 | letterSpacing: 0.0, |
| 222 | ), |
| 223 | ), |
| 224 | ], |
| 225 | const SizedBox(height: 72), |
| 226 | if (isEVMWalletButDifferentChainId) ...[ |
| 227 | if (!isMwebOrSpAddress) ...[ |
| 228 | PrimaryButton( |
| 229 | onPressed: () => onSwap(context), |
| 230 | text: 'Create In App Swap', |
| 231 | color: hasAtLeastOneWallet |
| 232 | ? Theme.of(context).colorScheme.surfaceContainer |
| 233 | : Theme.of(context).colorScheme.primary, |
| 234 | textColor: hasAtLeastOneWallet |
| 235 | ? Theme.of(context).colorScheme.onSecondaryContainer |
| 236 | : Theme.of(context).colorScheme.onPrimary, |
| 237 | ), |
| 238 | const SizedBox(height: 10), |
| 239 | ], |
| 240 | if (onSwitchNetwork != null) ...[ |
| 241 | PrimaryButton( |
| 242 | onPressed: onSwitchNetwork, |
| 243 | text: |
| 244 | 'Switch to ${evm!.getChainNameByChainId(paymentViewModel.detectedChainId!).toUpperCase()} Network', |
| 245 | color: Theme.of(context).colorScheme.surfaceContainer, |
| 246 | textColor: Theme.of(context).colorScheme.onSecondaryContainer, |
| 247 | ), |
| 248 | const SizedBox(height: 10), |
| 249 | ], |
| 250 | if (hasAtLeastOneWallet) ...[ |
| 251 | PrimaryButton( |
| 252 | onPressed: hasMultipleOtherWallets ? onSelectWallet : onChangeWallet, |
| 253 | text: S.current.change_wallet_alert_title, |
| 254 | color: Theme.of(context).colorScheme.primary, |
| 255 | textColor: Theme.of(context).colorScheme.onPrimary, |
| 256 | ), |
| 257 | const SizedBox(height: 10), |
| 258 | ], |
| 259 | ] else if (hasAtLeastOneWallet) ...[ |
| 260 | if (!isMwebOrSpAddress) ...[ |
| 261 | PrimaryButton( |
| 262 | onPressed: () => onSwap(context), |
| 263 | text: '${S.current.swap} ${currentWalletName.capitalized()}', |
| 264 | color: Theme.of(context).colorScheme.surfaceContainer, |
| 265 | textColor: Theme.of(context).colorScheme.onSecondaryContainer, |
| 266 | ), |
| 267 | const SizedBox(height: 10), |
| 268 | ], |
| 269 | PrimaryButton( |
| 270 | onPressed: hasMultipleWallets ? onSelectWallet : onChangeWallet, |
| 271 | text: S.current.switch_wallet, |
| 272 | color: Theme.of(context).colorScheme.primary, |
| 273 | textColor: Theme.of(context).colorScheme.onPrimary, |
| 274 | ), |
| 275 | const SizedBox(height: 10), |
| 276 | ] else ...[ |
| 277 | PrimaryButton( |
| 278 | onPressed: () => Navigator.of(context).pop(), |
| 279 | text: S.current.cancel, |
| 280 | color: Theme.of(context).colorScheme.surfaceContainer, |
| 281 | textColor: Theme.of(context).colorScheme.onSecondaryContainer, |
| 282 | ), |
| 283 | const SizedBox(height: 10), |
| 284 | if (!isMwebOrSpAddress) ...[ |
| 285 | PrimaryButton( |
| 286 | onPressed: () => onSwap(context), |
| 287 | text: '${S.current.swap} ${currentWalletName.capitalized()}', |
| 288 | color: hasAtLeastOneWallet |
| 289 | ? Theme.of(context).colorScheme.surfaceContainer |
| 290 | : Theme.of(context).colorScheme.primary, |
| 291 | textColor: hasAtLeastOneWallet |
| 292 | ? Theme.of(context).colorScheme.onSecondaryContainer |
| 293 | : Theme.of(context).colorScheme.onPrimary, |
| 294 | ), |
| 295 | const SizedBox(height: 10), |
| 296 | ], |
| 297 | const SizedBox(height: 32), |
| 298 | ], |
| 299 | ], |
| 300 | ), |
| 301 | ); |
| 302 | }, |
| 303 | ); |
| 304 | } |
| 305 | } |