cake_wallet/lib/view_model/transaction_details_view_model.dart

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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/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/blockexplorer_list_item.dart';
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import 'package:cw_core/transaction_direction.dart';
import 'package:cake_wallet/utils/date_formatter.dart';
import 'package:cake_wallet/entities/transaction_description.dart';
import 'package:hive/hive.dart';
import 'package:mobx/mobx.dart';
import 'package:cake_wallet/store/settings_store.dart';
import 'package:cake_wallet/generated/i18n.dart';
import 'package:url_launcher/url_launcher.dart';
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import 'package:cake_wallet/monero/monero.dart';
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import 'package:cake_wallet/haven/haven.dart';
part 'transaction_details_view_model.g.dart';
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class TransactionDetailsViewModel = TransactionDetailsViewModelBase
with _$TransactionDetailsViewModel;
abstract class TransactionDetailsViewModelBase with Store {
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TransactionDetailsViewModelBase(
{this.transactionInfo,
this.transactionDescriptionBox,
this.wallet,
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this.settingsStore})
: items = [] {
showRecipientAddress = settingsStore?.shouldSaveRecipientAddress ?? false;
isRecipientAddressShown = false;
final dateFormat = DateFormatter.withCurrentLocal();
final tx = transactionInfo;
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if (wallet.type == WalletType.monero) {
final key = tx.additionalInfo['key'] as String;
final accountIndex = tx.additionalInfo['accountIndex'] as int;
final addressIndex = tx.additionalInfo['addressIndex'] as int;
final _items = [
StandartListItem(
title: S.current.transaction_details_transaction_id, value: tx.id),
StandartListItem(
title: S.current.transaction_details_date,
value: dateFormat.format(tx.date)),
StandartListItem(
title: S.current.transaction_details_height, value: '${tx.height}'),
StandartListItem(
title: S.current.transaction_details_amount,
value: tx.amountFormatted()),
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StandartListItem(
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title: S.current.transaction_details_fee, value: tx.feeFormatted()),
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if (key?.isNotEmpty ?? false)
StandartListItem(title: S.current.transaction_key, value: key)
];
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if (tx.direction == TransactionDirection.incoming &&
accountIndex != null &&
addressIndex != null) {
try {
final address = monero.getTransactionAddress(wallet, accountIndex, addressIndex);
final label = monero.getSubaddressLabel(wallet, accountIndex, addressIndex);
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if (address?.isNotEmpty ?? false) {
isRecipientAddressShown = true;
_items.add(
StandartListItem(
title: S.current.transaction_details_recipient_address,
value: address));
}
if (label?.isNotEmpty ?? false) {
_items.add(
StandartListItem(
title: S.current.address_label,
value: label)
);
}
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} catch (e) {
print(e.toString());
}
}
items.addAll(_items);
}
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if (wallet.type == WalletType.bitcoin
|| wallet.type == WalletType.litecoin) {
final _items = [
StandartListItem(
title: S.current.transaction_details_transaction_id, value: tx.id),
StandartListItem(
title: S.current.transaction_details_date,
value: dateFormat.format(tx.date)),
StandartListItem(
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title: S.current.confirmations,
value: tx.confirmations?.toString()),
StandartListItem(
title: S.current.transaction_details_height, value: '${tx.height}'),
StandartListItem(
title: S.current.transaction_details_amount,
value: tx.amountFormatted()),
if (tx.feeFormatted()?.isNotEmpty)
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StandartListItem(
title: S.current.transaction_details_fee,
value: tx.feeFormatted()),
];
items.addAll(_items);
}
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if (wallet.type == WalletType.haven) {
items.addAll([
StandartListItem(
title: S.current.transaction_details_transaction_id, value: tx.id),
StandartListItem(
title: S.current.transaction_details_date,
value: dateFormat.format(tx.date)),
StandartListItem(
title: S.current.transaction_details_height, value: '${tx.height}'),
StandartListItem(
title: S.current.transaction_details_amount,
value: tx.amountFormatted()),
StandartListItem(
title: S.current.transaction_details_fee, value: tx.feeFormatted()),
]);
}
if (showRecipientAddress && !isRecipientAddressShown) {
final recipientAddress = transactionDescriptionBox.values
.firstWhere((val) => val.id == transactionInfo.id, orElse: () => null)
?.recipientAddress;
if (recipientAddress?.isNotEmpty ?? false) {
items.add(StandartListItem(
title: S.current.transaction_details_recipient_address,
value: recipientAddress));
}
}
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final type = wallet.type;
items.add(BlockExplorerListItem(
title: "View in Block Explorer",
value: _explorerDescription(type),
onTap: () => launch(_explorerUrl(type, tx.id))));
final description = transactionDescriptionBox.values.firstWhere(
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(val) => val.id == transactionInfo.id,
orElse: () => TransactionDescription(id: transactionInfo.id));
items.add(TextFieldListItem(
title: S.current.note_tap_to_change,
value: description.note,
onSubmitted: (value) {
description.transactionNote = value;
if (description.isInBox) {
description.save();
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} else {
transactionDescriptionBox.add(description);
}
}));
}
final TransactionInfo transactionInfo;
final Box<TransactionDescription> transactionDescriptionBox;
final SettingsStore settingsStore;
final WalletBase wallet;
final List<TransactionDetailsListItem> items;
bool showRecipientAddress;
bool isRecipientAddressShown;
String _explorerUrl(WalletType type, String txId) {
switch (type) {
case WalletType.monero:
return 'https://xmrchain.net/search?value=${txId}';
case WalletType.bitcoin:
return 'https://www.blockchain.com/btc/tx/${txId}';
case WalletType.litecoin:
return 'https://blockchair.com/litecoin/transaction/${txId}';
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case WalletType.haven:
return 'https://explorer.havenprotocol.org/search?value=${txId}';
default:
return '';
}
}
String _explorerDescription(WalletType type) {
switch (type) {
case WalletType.monero:
return 'View Transaction on XMRChain.net';
case WalletType.bitcoin:
return 'View Transaction on Blockchain.com';
case WalletType.litecoin:
return 'View Transaction on Blockchair.com';
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case WalletType.haven:
return 'View Transaction on explorer.havenprotocol.org';
default:
return '';
}
}
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}