import 'package:cake_wallet/tron/tron.dart'; import 'package:cake_wallet/wownero/wownero.dart'; import 'package:cw_core/wallet_base.dart'; import 'package:cw_core/transaction_info.dart'; import 'package:cw_core/wallet_type.dart'; import 'package:cake_wallet/bitcoin/bitcoin.dart'; import 'package:cake_wallet/entities/priority_for_wallet_type.dart'; import 'package:cake_wallet/entities/transaction_description.dart'; import 'package:cake_wallet/generated/i18n.dart'; import 'package:cake_wallet/monero/monero.dart'; import 'package:cake_wallet/src/screens/transaction_details/blockexplorer_list_item.dart'; import 'package:cake_wallet/src/screens/transaction_details/rbf_details_list_fee_picker_item.dart'; import 'package:cake_wallet/src/screens/transaction_details/standart_list_item.dart'; import 'package:cake_wallet/src/screens/transaction_details/textfield_list_item.dart'; import 'package:cake_wallet/src/screens/transaction_details/transaction_details_list_item.dart'; import 'package:cake_wallet/src/screens/transaction_details/transaction_expandable_list_item.dart'; import 'package:cake_wallet/store/settings_store.dart'; import 'package:cake_wallet/utils/date_formatter.dart'; import 'package:cake_wallet/view_model/send/send_view_model.dart'; import 'package:collection/collection.dart'; import 'package:cw_core/transaction_direction.dart'; import 'package:cw_core/transaction_priority.dart'; import 'package:flutter/foundation.dart'; import 'package:hive/hive.dart'; import 'package:intl/src/intl/date_format.dart'; import 'package:mobx/mobx.dart'; import 'package:url_launcher/url_launcher.dart'; part 'transaction_details_view_model.g.dart'; class TransactionDetailsViewModel = TransactionDetailsViewModelBase with _$TransactionDetailsViewModel; abstract class TransactionDetailsViewModelBase with Store { TransactionDetailsViewModelBase( {required this.transactionInfo, required this.transactionDescriptionBox, required this.wallet, required this.settingsStore, required this.sendViewModel, this.canReplaceByFee = false}) : items = [], RBFListItems = [], newFee = 0, isRecipientAddressShown = false, showRecipientAddress = settingsStore.shouldSaveRecipientAddress { final dateFormat = DateFormatter.withCurrentLocal(); final tx = transactionInfo; switch (wallet.type) { case WalletType.monero: _addMoneroListItems(tx, dateFormat); break; case WalletType.bitcoin: _addElectrumListItems(tx, dateFormat); if (!canReplaceByFee) _checkForRBF(tx); break; case WalletType.litecoin: case WalletType.bitcoinCash: _addElectrumListItems(tx, dateFormat); break; case WalletType.haven: _addHavenListItems(tx, dateFormat); break; case WalletType.ethereum: _addEthereumListItems(tx, dateFormat); break; case WalletType.nano: _addNanoListItems(tx, dateFormat); break; case WalletType.polygon: _addPolygonListItems(tx, dateFormat); break; case WalletType.solana: _addSolanaListItems(tx, dateFormat); break; case WalletType.tron: _addTronListItems(tx, dateFormat); break; case WalletType.wownero: _addWowneroListItems(tx, dateFormat); break; case WalletType.zano: _addZanoListItems(tx, dateFormat); break; default: break; } final descriptionKey = '${transactionInfo.txHash}_${wallet.walletAddresses.primaryAddress}'; final description = transactionDescriptionBox.values.firstWhere( (val) => val.id == descriptionKey || val.id == transactionInfo.txHash, orElse: () => TransactionDescription(id: descriptionKey)); if (showRecipientAddress && !isRecipientAddressShown) { final recipientAddress = description.recipientAddress; if (recipientAddress?.isNotEmpty ?? false) { items.add( StandartListItem( title: S.current.transaction_details_recipient_address, value: recipientAddress!, key: ValueKey('standard_list_item_${recipientAddress}_key'), ), ); } } final type = wallet.type; items.add( BlockExplorerListItem( title: S.current.view_in_block_explorer, value: _explorerDescription(type), onTap: () async { try { final uri = Uri.parse(_explorerUrl(type, tx.txHash)); if (await canLaunchUrl(uri)) await launchUrl(uri, mode: LaunchMode.externalApplication); } catch (e) {} }, key: ValueKey('block_explorer_list_item_${type.name}_wallet_type_key'), ), ); items.add( TextFieldListItem( title: S.current.note_tap_to_change, value: description.note, onSubmitted: (value) { description.transactionNote = value; if (description.isInBox) { description.save(); } else { transactionDescriptionBox.add(description); } }, key: ValueKey('textfield_list_item_note_entry_key'), ), ); } final TransactionInfo transactionInfo; final Box transactionDescriptionBox; final SettingsStore settingsStore; final WalletBase wallet; final SendViewModel sendViewModel; final List items; final List RBFListItems; bool showRecipientAddress; bool isRecipientAddressShown; int newFee; String? rawTransaction; TransactionPriority? transactionPriority; @observable bool canReplaceByFee; String _explorerUrl(WalletType type, String txId) { switch (type) { case WalletType.monero: return 'https://monero.com/tx/${txId}'; case WalletType.bitcoin: return 'https://mempool.space/${wallet.isTestnet ? "testnet/" : ""}tx/${txId}'; case WalletType.litecoin: return 'https://blockchair.com/litecoin/transaction/${txId}'; case WalletType.bitcoinCash: return 'https://blockchair.com/bitcoin-cash/transaction/${txId}'; case WalletType.haven: return 'https://explorer.havenprotocol.org/search?value=${txId}'; case WalletType.ethereum: return 'https://etherscan.io/tx/${txId}'; case WalletType.nano: return 'https://nanexplorer.com/nano/block/${txId}'; case WalletType.banano: return 'https://nanexplorer.com/banano/block/${txId}'; case WalletType.polygon: return 'https://polygonscan.com/tx/${txId}'; case WalletType.solana: return 'https://solscan.io/tx/${txId}'; case WalletType.tron: return 'https://tronscan.org/#/transaction/${txId}'; case WalletType.wownero: return 'https://explore.wownero.com/tx/${txId}'; case WalletType.zano: return 'https://testnet-explorer.zano.org/transaction/${txId}'; case WalletType.none: return ''; } } String _explorerDescription(WalletType type) { switch (type) { case WalletType.monero: return S.current.view_transaction_on + 'Monero.com'; case WalletType.bitcoin: return S.current.view_transaction_on + 'mempool.space'; case WalletType.litecoin: case WalletType.bitcoinCash: return S.current.view_transaction_on + 'Blockchair.com'; case WalletType.haven: return S.current.view_transaction_on + 'explorer.havenprotocol.org'; case WalletType.ethereum: return S.current.view_transaction_on + 'etherscan.io'; case WalletType.nano: return S.current.view_transaction_on + 'nanexplorer.com'; case WalletType.banano: return S.current.view_transaction_on + 'nanexplorer.com'; case WalletType.polygon: return S.current.view_transaction_on + 'polygonscan.com'; case WalletType.solana: return S.current.view_transaction_on + 'solscan.io'; case WalletType.tron: return S.current.view_transaction_on + 'tronscan.org'; case WalletType.wownero: return S.current.view_transaction_on + 'Wownero.com'; case WalletType.zano: return S.current.view_transaction_on + 'explorer.zano.org'; case WalletType.none: return ''; } } void _addMoneroListItems(TransactionInfo tx, DateFormat dateFormat) { final key = tx.additionalInfo['key'] as String?; final accountIndex = tx.additionalInfo['accountIndex'] as int; final addressIndex = tx.additionalInfo['addressIndex'] as int; final feeFormatted = tx.feeFormatted(); final _items = [ StandartListItem( title: S.current.transaction_details_transaction_id, value: tx.txHash, key: ValueKey('standard_list_item_transaction_details_id_key'), ), StandartListItem( title: S.current.transaction_details_date, value: dateFormat.format(tx.date), key: ValueKey('standard_list_item_transaction_details_date_key'), ), StandartListItem( title: S.current.transaction_details_height, value: '${tx.height}', key: ValueKey('standard_list_item_transaction_details_height_key'), ), StandartListItem( title: S.current.transaction_details_amount, value: tx.amountFormatted(), key: ValueKey('standard_list_item_transaction_details_amount_key'), ), if (feeFormatted != null) StandartListItem( title: S.current.transaction_details_fee, value: feeFormatted, key: ValueKey('standard_list_item_transaction_details_fee_key'), ), if (key?.isNotEmpty ?? false) StandartListItem( title: S.current.transaction_key, value: key!, key: ValueKey('standard_list_item_transaction_key'), ), ]; if (tx.direction == TransactionDirection.incoming) { try { final address = monero!.getTransactionAddress(wallet, accountIndex, addressIndex); final label = monero!.getSubaddressLabel(wallet, accountIndex, addressIndex); if (address.isNotEmpty) { isRecipientAddressShown = true; _items.add( StandartListItem( title: S.current.transaction_details_recipient_address, value: address, key: ValueKey('standard_list_item_transaction_details_recipient_address_key'), ), ); } if (label.isNotEmpty) { _items.add(StandartListItem( title: S.current.address_label, value: label, key: ValueKey('standard_list_item_address_label_key'), )); } } catch (e) { print(e.toString()); } } items.addAll(_items); } void _addElectrumListItems(TransactionInfo tx, DateFormat dateFormat) { final _items = [ StandartListItem( title: S.current.transaction_details_transaction_id, value: tx.txHash, key: ValueKey('standard_list_item_transaction_details_id_key'), ), StandartListItem( title: S.current.transaction_details_date, value: dateFormat.format(tx.date), key: ValueKey('standard_list_item_transaction_details_date_key'), ), StandartListItem( title: S.current.confirmations, value: tx.confirmations.toString(), key: ValueKey('standard_list_item_transaction_confirmations_key'), ), StandartListItem( title: S.current.transaction_details_height, value: '${tx.height}', key: ValueKey('standard_list_item_transaction_details_height_key'), ), StandartListItem( title: S.current.transaction_details_amount, value: tx.amountFormatted(), key: ValueKey('standard_list_item_transaction_details_amount_key'), ), if (tx.feeFormatted()?.isNotEmpty ?? false) StandartListItem( title: S.current.transaction_details_fee, value: tx.feeFormatted()!, key: ValueKey('standard_list_item_transaction_details_fee_key'), ), ]; items.addAll(_items); } void _addHavenListItems(TransactionInfo tx, DateFormat dateFormat) { items.addAll([ StandartListItem( title: S.current.transaction_details_transaction_id, value: tx.txHash, key: ValueKey('standard_list_item_transaction_details_id_key'), ), StandartListItem( title: S.current.transaction_details_date, value: dateFormat.format(tx.date), key: ValueKey('standard_list_item_transaction_details_date_key'), ), StandartListItem( title: S.current.transaction_details_height, value: '${tx.height}', key: ValueKey('standard_list_item_transaction_details_height_key'), ), StandartListItem( title: S.current.transaction_details_amount, value: tx.amountFormatted(), key: ValueKey('standard_list_item_transaction_details_amount_key'), ), if (tx.feeFormatted()?.isNotEmpty ?? false) StandartListItem( title: S.current.transaction_details_fee, value: tx.feeFormatted()!, key: ValueKey('standard_list_item_transaction_details_fee_key'), ), ]); } void _addEthereumListItems(TransactionInfo tx, DateFormat dateFormat) { final _items = [ StandartListItem( title: S.current.transaction_details_transaction_id, value: tx.txHash, key: ValueKey('standard_list_item_transaction_details_id_key'), ), StandartListItem( title: S.current.transaction_details_date, value: dateFormat.format(tx.date), key: ValueKey('standard_list_item_transaction_details_date_key'), ), StandartListItem( title: S.current.confirmations, value: tx.confirmations.toString(), key: ValueKey('standard_list_item_transaction_confirmations_key'), ), StandartListItem( title: S.current.transaction_details_height, value: '${tx.height}', key: ValueKey('standard_list_item_transaction_details_height_key'), ), StandartListItem( title: S.current.transaction_details_amount, value: tx.amountFormatted(), key: ValueKey('standard_list_item_transaction_details_amount_key'), ), if (tx.feeFormatted()?.isNotEmpty ?? false) StandartListItem( title: S.current.transaction_details_fee, value: tx.feeFormatted()!, key: ValueKey('standard_list_item_transaction_details_fee_key'), ), if (showRecipientAddress && tx.to != null) StandartListItem( title: S.current.transaction_details_recipient_address, value: tx.to!, key: ValueKey('standard_list_item_transaction_details_recipient_address_key'), ), if (tx.direction == TransactionDirection.incoming && tx.from != null) StandartListItem( title: S.current.transaction_details_source_address, value: tx.from!, key: ValueKey('standard_list_item_transaction_details_source_address_key'), ), ]; items.addAll(_items); } void _addNanoListItems(TransactionInfo tx, DateFormat dateFormat) { final _items = [ StandartListItem( title: S.current.transaction_details_transaction_id, value: tx.txHash, key: ValueKey('standard_list_item_transaction_details_id_key'), ), if (showRecipientAddress && tx.to != null) StandartListItem( title: S.current.transaction_details_recipient_address, value: tx.to!, key: ValueKey('standard_list_item_transaction_details_recipient_address_key'), ), if (showRecipientAddress && tx.from != null) StandartListItem( title: S.current.transaction_details_source_address, value: tx.from!, key: ValueKey('standard_list_item_transaction_details_source_address_key'), ), StandartListItem( title: S.current.transaction_details_amount, value: tx.amountFormatted(), key: ValueKey('standard_list_item_transaction_details_amount_key'), ), StandartListItem( title: S.current.transaction_details_date, value: dateFormat.format(tx.date), key: ValueKey('standard_list_item_transaction_details_date_key'), ), StandartListItem( title: S.current.confirmed_tx, value: (tx.confirmations > 0).toString(), key: ValueKey('standard_list_item_transaction_confirmed_key'), ), StandartListItem( title: S.current.transaction_details_height, value: '${tx.height}', key: ValueKey('standard_list_item_transaction_details_height_key'), ), ]; items.addAll(_items); } void _addPolygonListItems(TransactionInfo tx, DateFormat dateFormat) { final _items = [ StandartListItem( title: S.current.transaction_details_transaction_id, value: tx.txHash, key: ValueKey('standard_list_item_transaction_details_id_key'), ), StandartListItem( title: S.current.transaction_details_date, value: dateFormat.format(tx.date), key: ValueKey('standard_list_item_transaction_details_date_key'), ), StandartListItem( title: S.current.confirmations, value: tx.confirmations.toString(), key: ValueKey('standard_list_item_transaction_confirmations_key'), ), StandartListItem( title: S.current.transaction_details_height, value: '${tx.height}', key: ValueKey('standard_list_item_transaction_details_height_key'), ), StandartListItem( title: S.current.transaction_details_amount, value: tx.amountFormatted(), key: ValueKey('standard_list_item_transaction_details_amount_key'), ), if (tx.feeFormatted()?.isNotEmpty ?? false) StandartListItem( title: S.current.transaction_details_fee, value: tx.feeFormatted()!, key: ValueKey('standard_list_item_transaction_details_fee_key'), ), if (showRecipientAddress && tx.to != null && tx.direction == TransactionDirection.outgoing) StandartListItem( title: S.current.transaction_details_recipient_address, value: tx.to!, key: ValueKey('standard_list_item_transaction_details_recipient_address_key'), ), if (tx.direction == TransactionDirection.incoming && tx.from != null) StandartListItem( title: S.current.transaction_details_source_address, value: tx.from!, key: ValueKey('standard_list_item_transaction_details_source_address_key'), ), ]; items.addAll(_items); } void _addSolanaListItems(TransactionInfo tx, DateFormat dateFormat) { final _items = [ StandartListItem( title: S.current.transaction_details_transaction_id, value: tx.txHash, key: ValueKey('standard_list_item_transaction_details_id_key'), ), StandartListItem( title: S.current.transaction_details_date, value: dateFormat.format(tx.date), key: ValueKey('standard_list_item_transaction_details_date_key'), ), StandartListItem( title: S.current.transaction_details_amount, value: tx.amountFormatted(), key: ValueKey('standard_list_item_transaction_details_amount_key'), ), if (tx.feeFormatted()?.isNotEmpty ?? false) StandartListItem( title: S.current.transaction_details_fee, value: tx.feeFormatted()!, key: ValueKey('standard_list_item_transaction_details_fee_key'), ), if (showRecipientAddress && tx.to != null) StandartListItem( title: S.current.transaction_details_recipient_address, value: tx.to!, key: ValueKey('standard_list_item_transaction_details_recipient_address_key'), ), if (tx.from != null) StandartListItem( title: S.current.transaction_details_source_address, value: tx.from!, key: ValueKey('standard_list_item_transaction_details_source_address_key'), ), ]; items.addAll(_items); } void addBumpFeesListItems(TransactionInfo tx, String rawTransaction) { transactionPriority = bitcoin!.getBitcoinTransactionPriorityMedium(); final inputsCount = (transactionInfo.inputAddresses?.isEmpty ?? true) ? 1 : transactionInfo.inputAddresses!.length; final outputsCount = (transactionInfo.outputAddresses?.isEmpty ?? true) ? 1 : transactionInfo.outputAddresses!.length; newFee = bitcoin!.getFeeAmountForPriority( wallet, bitcoin!.getBitcoinTransactionPriorityMedium(), inputsCount, outputsCount); RBFListItems.add( StandartListItem( title: S.current.old_fee, value: tx.feeFormatted() ?? '0.0', key: ValueKey('standard_list_item_rbf_old_fee_key'), ), ); if (transactionInfo.fee != null && rawTransaction.isNotEmpty) { final size = bitcoin!.getTransactionVSize(wallet, rawTransaction); final recommendedRate = (transactionInfo.fee! / size).round() + 1; RBFListItems.add( StandartListItem(title: 'New recommended fee rate', value: '$recommendedRate sat/byte')); } final priorities = priorityForWalletType(wallet.type); final selectedItem = priorities.indexOf(sendViewModel.transactionPriority); final customItem = priorities .firstWhereOrNull((element) => element == sendViewModel.bitcoinTransactionPriorityCustom); final customItemIndex = customItem != null ? priorities.indexOf(customItem) : null; final maxCustomFeeRate = sendViewModel.maxCustomFeeRate?.toDouble(); RBFListItems.add( StandardPickerListItem( key: ValueKey('standard_picker_list_item_transaction_priorities_key'), title: S.current.estimated_new_fee, value: bitcoin!.formatterBitcoinAmountToString(amount: newFee) + ' ${walletTypeToCryptoCurrency(wallet.type)}', items: priorityForWalletType(wallet.type), customValue: settingsStore.customBitcoinFeeRate.toDouble(), maxValue: maxCustomFeeRate, selectedIdx: selectedItem, customItemIndex: customItemIndex ?? 0, displayItem: (dynamic priority, double sliderValue) => sendViewModel.displayFeeRate(priority, sliderValue.round()), onSliderChanged: (double newValue) => setNewFee(value: newValue, priority: transactionPriority!), onItemSelected: (dynamic item, double sliderValue) { transactionPriority = item as TransactionPriority; return setNewFee(value: sliderValue, priority: transactionPriority!); }, ), ); if (transactionInfo.inputAddresses != null && transactionInfo.inputAddresses!.isNotEmpty) { RBFListItems.add( StandardExpandableListItem( key: ValueKey('standard_expandable_list_item_transaction_input_addresses_key'), title: S.current.inputs, expandableItems: transactionInfo.inputAddresses!, ), ); } if (transactionInfo.outputAddresses != null && transactionInfo.outputAddresses!.isNotEmpty) { final outputAddresses = transactionInfo.outputAddresses!.map((element) { if (element.contains('OP_RETURN:') && element.length > 40) { return element.substring(0, 40) + '...'; } return element; }).toList(); RBFListItems.add( StandardExpandableListItem( title: S.current.outputs, expandableItems: outputAddresses, key: ValueKey('standard_expandable_list_item_transaction_output_addresses_key'), ), ); } } void _addTronListItems(TransactionInfo tx, DateFormat dateFormat) { final _items = [ StandartListItem( title: S.current.transaction_details_transaction_id, value: tx.txHash, key: ValueKey('standard_list_item_transaction_details_id_key'), ), StandartListItem( title: S.current.transaction_details_date, value: dateFormat.format(tx.date), key: ValueKey('standard_list_item_transaction_details_date_key'), ), StandartListItem( title: S.current.transaction_details_amount, value: tx.amountFormatted(), key: ValueKey('standard_list_item_transaction_details_amount_key'), ), if (tx.feeFormatted()?.isNotEmpty ?? false) StandartListItem( title: S.current.transaction_details_fee, value: tx.feeFormatted()!, key: ValueKey('standard_list_item_transaction_details_fee_key'), ), if (showRecipientAddress && tx.to != null) StandartListItem( title: S.current.transaction_details_recipient_address, value: tron!.getTronBase58Address(tx.to!, wallet), key: ValueKey('standard_list_item_transaction_details_recipient_address_key'), ), if (tx.from != null) StandartListItem( title: S.current.transaction_details_source_address, value: tron!.getTronBase58Address(tx.from!, wallet), key: ValueKey('standard_list_item_transaction_details_source_address_key'), ), ]; items.addAll(_items); } @action Future _checkForRBF(TransactionInfo tx) async { if (wallet.type == WalletType.bitcoin && transactionInfo.direction == TransactionDirection.outgoing) { rawTransaction = await bitcoin!.canReplaceByFee(wallet, tx); if (rawTransaction != null) { canReplaceByFee = true; } } } String setNewFee({double? value, required TransactionPriority priority}) { newFee = priority == bitcoin!.getBitcoinTransactionPriorityCustom() && value != null ? bitcoin!.feeAmountWithFeeRate( wallet, value.round(), transactionInfo.inputAddresses?.length ?? 1, transactionInfo.outputAddresses?.length ?? 1) : bitcoin!.getFeeAmountForPriority( wallet, priority, transactionInfo.inputAddresses?.length ?? 1, transactionInfo.outputAddresses?.length ?? 1); return bitcoin!.formatterBitcoinAmountToString(amount: newFee); } void replaceByFee(String newFee) => sendViewModel.replaceByFee(transactionInfo, newFee); @computed String get pendingTransactionFiatAmountValueFormatted => sendViewModel.isFiatDisabled ? '' : sendViewModel.pendingTransactionFiatAmount + ' ' + sendViewModel.fiat.title; @computed String get pendingTransactionFeeFiatAmountFormatted => sendViewModel.isFiatDisabled ? '' : sendViewModel.pendingTransactionFeeFiatAmount + ' ' + sendViewModel.fiat.title; void _addWowneroListItems(TransactionInfo tx, DateFormat dateFormat) { final key = tx.additionalInfo['key'] as String?; final accountIndex = tx.additionalInfo['accountIndex'] as int; final addressIndex = tx.additionalInfo['addressIndex'] as int; final feeFormatted = tx.feeFormatted(); final _items = [ StandartListItem( title: S.current.transaction_details_transaction_id, value: tx.txHash, key: ValueKey('standard_list_item_transaction_details_id_key'), ), StandartListItem( title: S.current.transaction_details_date, value: dateFormat.format(tx.date), key: ValueKey('standard_list_item_transaction_details_date_key'), ), StandartListItem( title: S.current.transaction_details_height, value: '${tx.height}', key: ValueKey('standard_list_item_transaction_details_height_key'), ), StandartListItem( title: S.current.transaction_details_amount, value: tx.amountFormatted(), key: ValueKey('standard_list_item_transaction_details_amount_key'), ), if (feeFormatted != null) StandartListItem( title: S.current.transaction_details_fee, value: feeFormatted, key: ValueKey('standard_list_item_transaction_details_fee_key'), ), if (key?.isNotEmpty ?? false) StandartListItem( title: S.current.transaction_key, value: key!, key: ValueKey('standard_list_item_transaction_key'), ), ]; if (tx.direction == TransactionDirection.incoming) { try { final address = wownero!.getTransactionAddress(wallet, accountIndex, addressIndex); final label = wownero!.getSubaddressLabel(wallet, accountIndex, addressIndex); if (address.isNotEmpty) { isRecipientAddressShown = true; _items.add( StandartListItem( title: S.current.transaction_details_recipient_address, value: address, key: ValueKey('standard_list_item_transaction_details_recipient_address_key'), ), ); } if (label.isNotEmpty) { _items.add( StandartListItem( title: S.current.address_label, value: label, key: ValueKey('standard_list_item_address_label_key'), ), ); } } catch (e) { print(e.toString()); } } items.addAll(_items); } void _addZanoListItems(TransactionInfo tx, DateFormat dateFormat) { final comment = tx.additionalInfo['comment'] as String?; items.addAll([ StandartListItem(title: S.current.transaction_details_transaction_id, value: tx.id), StandartListItem(title: 'Asset ID', value: tx.additionalInfo['assetId'] as String? ?? "Unknown asset id"), StandartListItem( title: S.current.transaction_details_date, value: dateFormat.format(tx.date)), StandartListItem(title: S.current.transaction_details_height, value: '${tx.height}'), StandartListItem(title: S.current.transaction_details_amount, value: tx.amountFormatted()), if (tx.feeFormatted()?.isNotEmpty ?? false) StandartListItem(title: S.current.transaction_details_fee, value: tx.feeFormatted()!), if (comment != null) StandartListItem(title: S.current.transaction_details_title, value: comment), ]); } }