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refactor the rate fetching flow

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This commit is contained in:
Serhii 2024-05-03 11:46:41 +03:00
parent 1b6d91e059
commit 2f3f677300
13 changed files with 257 additions and 196 deletions
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10
lib/core/fiat_conversion_service.dart
View file

@ -65,8 +65,6 @@ Future<double?> _fetchHistoricalPrice(Map<String, dynamic> args) async {
'interval_minutes': intervalFromNow.toString()
};
double price = 0.0;
try {
late final Uri uri;
if (torOnly) {
@ -86,9 +84,13 @@ Future<double?> _fetchHistoricalPrice(Map<String, dynamic> args) async {
final results = data['results'] as Map<String, dynamic>;
if (results.isNotEmpty) price = results.values.first as double;
if (results.isNotEmpty) {
return (results.values.first as double) / 100000;
} else {
return null;
}
return price;
} catch (e) {
print(e.toString());
return null;

2
lib/di.dart
View file

@ -1198,6 +1198,8 @@ Future<void> setup({
),
);
getIt.registerSingleton<Box<TransactionDescription>>(transactionDescriptionBox);
getIt.registerFactoryParam<ManageNodesPage, bool, void>((bool isPow, _) {
if (isPow) {
return ManageNodesPage(isPow, powNodeListViewModel: getIt.get<PowNodeListViewModel>());

16
lib/entities/transaction_description.dart
View file

@ -1,3 +1,5 @@
import 'dart:convert';
import 'package:cw_core/hive_type_ids.dart';
import 'package:hive/hive.dart';
@ -9,8 +11,7 @@ class TransactionDescription extends HiveObject {
{required this.id,
this.recipientAddress,
this.transactionNote,
this.historicalFiatRaw,
this.historicalFiatRate});
this.historicalRatesJson});
static const typeId = TRANSACTION_TYPE_ID;
static const boxName = 'TransactionDescriptions';
@ -26,12 +27,15 @@ class TransactionDescription extends HiveObject {
String? transactionNote;
@HiveField(3)
String? historicalFiatRaw;
String? historicalRatesJson;
@HiveField(4)
double? historicalFiatRate;
String get note => transactionNote ?? '';
String get historicalFiat => historicalFiatRaw ?? '';
Map<String, String> get historicalRates =>
historicalRatesJson != null ? Map<String, String>.from(jsonDecode(historicalRatesJson!) as Map<dynamic, dynamic>) : {};
set historicalRates(Map<String, String> value) {
historicalRatesJson = jsonEncode(value);
}
}

9
lib/reactions/bootstrap.dart
View file

@ -4,6 +4,7 @@ import 'package:cake_wallet/reactions/on_current_fiat_api_mode_change.dart';
import 'package:cake_wallet/reactions/on_current_node_change.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/widgets.dart';
import 'package:hive/hive.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:cake_wallet/di.dart';
import 'package:cake_wallet/entities/preferences_key.dart';
@ -14,12 +15,14 @@ import 'package:cake_wallet/store/app_store.dart';
import 'package:cake_wallet/store/settings_store.dart';
import 'package:cake_wallet/store/authentication_store.dart';
import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
import 'package:cake_wallet/entities/transaction_description.dart';
Future<void> bootstrap(GlobalKey<NavigatorState> navigatorKey) async {
final appStore = getIt.get<AppStore>();
final authenticationStore = getIt.get<AuthenticationStore>();
final settingsStore = getIt.get<SettingsStore>();
final fiatConversionStore = getIt.get<FiatConversionStore>();
final transactionDescription = getIt.get<Box<TransactionDescription>>();
final currentWalletName = getIt
.get<SharedPreferences>()
@ -30,9 +33,9 @@ Future<void> bootstrap(GlobalKey<NavigatorState> navigatorKey) async {
startAuthenticationStateChange(authenticationStore, navigatorKey);
startCurrentWalletChangeReaction(
appStore, settingsStore, fiatConversionStore);
startCurrentFiatChangeReaction(appStore, settingsStore, fiatConversionStore);
startCurrentFiatApiModeChangeReaction(appStore, settingsStore, fiatConversionStore);
appStore, settingsStore, fiatConversionStore, transactionDescription);
startCurrentFiatChangeReaction(appStore, settingsStore, fiatConversionStore, transactionDescription);
startCurrentFiatApiModeChangeReaction(appStore, settingsStore, fiatConversionStore, transactionDescription);
startOnCurrentNodeChangeReaction(appStore);
startFiatRateUpdate(appStore, settingsStore, fiatConversionStore);
}

67
lib/reactions/fiat_historical_rate_update.dart Normal file
View file

@ -0,0 +1,67 @@
import 'dart:async';
import 'package:cake_wallet/core/fiat_conversion_service.dart';
import 'package:cake_wallet/entities/fiat_api_mode.dart';
import 'package:cake_wallet/entities/transaction_description.dart';
import 'package:cake_wallet/store/app_store.dart';
import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
import 'package:cake_wallet/store/settings_store.dart';
import 'package:hive/hive.dart';
Future<void> historicalRateUpdate(
AppStore appStore,
SettingsStore settingsStore,
FiatConversionStore fiatConversionStore,
Box<TransactionDescription> transactionDescription) async {
final transactions = appStore.wallet!.transactionHistory.transactions.values.toList();
const int batchSize = 10;
const Duration delayBetweenBatches = Duration(milliseconds: 2);
int nextBatchStart = 0;
for (int i = 0; i < transactions.length; i += batchSize) {
final batch = transactions.skip(i).take(batchSize);
bool needsProcessing = batch.any((tx) {
var description = transactionDescription.get(tx.id);
final fiatName = settingsStore.fiatCurrency.toString();
return description == null ||
description.historicalRates.isEmpty ||
!description.historicalRates.containsKey(fiatName);
});
if (needsProcessing) {
await Future.wait(batch.map((tx) async {
var description = transactionDescription.get(tx.id);
final fiatName = settingsStore.fiatCurrency.toString();
if (description == null ||
description.historicalRates.isEmpty ||
!description.historicalRates.containsKey(fiatName)) {
try {
final result = await FiatConversionService.fetchHistoricalPrice(
crypto: appStore.wallet!.currency,
fiat: settingsStore.fiatCurrency,
torOnly: settingsStore.fiatApiMode == FiatApiMode.torOnly,
date: tx.date);
if (result == null) return;
description ??= TransactionDescription(id: tx.id);
Map<String, String> rates = description.historicalRates;
rates[fiatName] = result.toStringAsFixed(4);
description.historicalRates = rates;
await transactionDescription.put(tx.id, description);
} catch (e) {
print("Error fetching historical price: $e");
}
}
}));
nextBatchStart = i + batchSize;
if (nextBatchStart < transactions.length) {
await Future.delayed(delayBetweenBatches);
}
}
}
}

27
lib/reactions/on_current_fiat_api_mode_change.dart
View file

@ -1,25 +1,34 @@
import 'package:cake_wallet/entities/fiat_api_mode.dart';
import 'package:cake_wallet/entities/transaction_description.dart';
import 'package:hive/hive.dart';
import 'package:mobx/mobx.dart';
import 'package:cake_wallet/core/fiat_conversion_service.dart';
import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
import 'package:cake_wallet/store/settings_store.dart';
import 'package:cake_wallet/store/app_store.dart';
import 'fiat_historical_rate_update.dart';
ReactionDisposer? _onCurrentFiatCurrencyChangeDisposer;
void startCurrentFiatApiModeChangeReaction(AppStore appStore,
SettingsStore settingsStore, FiatConversionStore fiatConversionStore) {
void startCurrentFiatApiModeChangeReaction(AppStore appStore, SettingsStore settingsStore,
FiatConversionStore fiatConversionStore, Box<TransactionDescription> transactionDescription) {
_onCurrentFiatCurrencyChangeDisposer?.reaction.dispose();
_onCurrentFiatCurrencyChangeDisposer = reaction(
(_) => settingsStore.fiatApiMode, (FiatApiMode fiatApiMode) async {
_onCurrentFiatCurrencyChangeDisposer =
reaction((_) => settingsStore.fiatApiMode, (FiatApiMode fiatApiMode) async {
if (appStore.wallet == null || fiatApiMode == FiatApiMode.disabled) {
return;
}
fiatConversionStore.prices[appStore.wallet!.currency] =
await FiatConversionService.fetchPrice(
crypto: appStore.wallet!.currency,
fiat: settingsStore.fiatCurrency,
torOnly: fiatApiMode == FiatApiMode.torOnly);
fiatConversionStore.prices[appStore.wallet!.currency] = await FiatConversionService.fetchPrice(
crypto: appStore.wallet!.currency,
fiat: settingsStore.fiatCurrency,
torOnly: fiatApiMode == FiatApiMode.torOnly);
if (settingsStore.showHistoricalFiatAmount) {
await historicalRateUpdate(
appStore, settingsStore, fiatConversionStore, transactionDescription);
}
});
}

31
lib/reactions/on_current_fiat_change.dart
View file

@ -1,4 +1,6 @@
import 'package:cake_wallet/entities/fiat_api_mode.dart';
import 'package:cake_wallet/entities/transaction_description.dart';
import 'package:hive/hive.dart';
import 'package:mobx/mobx.dart';
import 'package:cake_wallet/core/fiat_conversion_service.dart';
import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
@ -6,22 +8,31 @@ import 'package:cake_wallet/store/settings_store.dart';
import 'package:cake_wallet/store/app_store.dart';
import 'package:cake_wallet/entities/fiat_currency.dart';
import 'fiat_historical_rate_update.dart';
ReactionDisposer? _onCurrentFiatCurrencyChangeDisposer;
void startCurrentFiatChangeReaction(AppStore appStore,
SettingsStore settingsStore, FiatConversionStore fiatConversionStore) {
void startCurrentFiatChangeReaction(AppStore appStore, SettingsStore settingsStore,
FiatConversionStore fiatConversionStore, Box<TransactionDescription> transactionDescription) {
_onCurrentFiatCurrencyChangeDisposer?.reaction.dispose();
_onCurrentFiatCurrencyChangeDisposer = reaction(
(_) => settingsStore.fiatCurrency, (FiatCurrency fiatCurrency) async {
_onCurrentFiatCurrencyChangeDisposer =
reaction((_) => settingsStore.fiatCurrency, (FiatCurrency fiatCurrency) async {
if (appStore.wallet == null || settingsStore.fiatApiMode == FiatApiMode.disabled) {
return;
}
final cryptoCurrency = appStore.wallet!.currency;
fiatConversionStore.prices[cryptoCurrency] =
await FiatConversionService.fetchPrice(
crypto: cryptoCurrency,
fiat: fiatCurrency,
torOnly: settingsStore.fiatApiMode == FiatApiMode.torOnly);
});
fiatConversionStore.prices[cryptoCurrency] = await FiatConversionService.fetchPrice(
crypto: cryptoCurrency,
fiat: fiatCurrency,
torOnly: settingsStore.fiatApiMode == FiatApiMode.torOnly);
if (settingsStore.showHistoricalFiatAmount) {
await historicalRateUpdate(
appStore, settingsStore, fiatConversionStore, transactionDescription);
}
});
}

14
lib/reactions/on_current_wallet_change.dart
View file

@ -1,5 +1,6 @@
import 'package:cake_wallet/entities/auto_generate_subaddress_status.dart';
import 'package:cake_wallet/entities/fiat_api_mode.dart';
import 'package:cake_wallet/entities/transaction_description.dart';
import 'package:cake_wallet/entities/update_haven_rate.dart';
import 'package:cake_wallet/ethereum/ethereum.dart';
import 'package:cake_wallet/polygon/polygon.dart';
@ -9,6 +10,7 @@ import 'package:cw_core/erc20_token.dart';
import 'package:cw_core/transaction_history.dart';
import 'package:cw_core/balance.dart';
import 'package:cw_core/transaction_info.dart';
import 'package:hive/hive.dart';
import 'package:mobx/mobx.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:cake_wallet/di.dart';
@ -22,12 +24,15 @@ import 'package:cake_wallet/core/fiat_conversion_service.dart';
import 'package:cw_core/wallet_base.dart';
import 'package:cw_core/wallet_type.dart';
import 'fiat_historical_rate_update.dart';
ReactionDisposer? _onCurrentWalletChangeReaction;
ReactionDisposer? _onCurrentWalletChangeFiatRateUpdateReaction;
//ReactionDisposer _onCurrentWalletAddressChangeReaction;
void startCurrentWalletChangeReaction(
AppStore appStore, SettingsStore settingsStore, FiatConversionStore fiatConversionStore) {
AppStore appStore, SettingsStore settingsStore, FiatConversionStore fiatConversionStore,
Box<TransactionDescription> transactionDescription) {
_onCurrentWalletChangeReaction?.reaction.dispose();
_onCurrentWalletChangeFiatRateUpdateReaction?.reaction.dispose();
//_onCurrentWalletAddressChangeReaction?.reaction?dispose();
@ -105,6 +110,11 @@ void startCurrentWalletChangeReaction(
return;
}
if (settingsStore.showHistoricalFiatAmount) {
await historicalRateUpdate(
appStore, settingsStore, fiatConversionStore, transactionDescription);
}
fiatConversionStore.prices[wallet.currency] = 0;
fiatConversionStore.prices[wallet.currency] = await FiatConversionService.fetchPrice(
crypto: wallet.currency,
@ -133,7 +143,9 @@ void startCurrentWalletChangeReaction(
fiat: settingsStore.fiatCurrency,
torOnly: settingsStore.fiatApiMode == FiatApiMode.torOnly);
}.call();
}
}
} catch (e) {
print(e.toString());

46
lib/src/screens/dashboard/pages/transactions_page.dart
View file

@ -81,34 +81,26 @@ class TransactionsPage extends StatelessWidget {
if (item is DateSectionItem) {
return DateSectionRaw(date: item.date);
}
if (item is TransactionListItem) {
final transaction = item.transaction;
final description =
dashboardViewModel.getTransactionDescription(transaction);
final formattedFiatAmount =
dashboardViewModel.settingsStore.fiatApiMode == FiatApiMode.disabled
? ''
: (dashboardViewModel.settingsStore.showHistoricalFiatAmount
? (description.historicalFiatRate == null ||
description.historicalFiatRate == 0.0
? ''
: dashboardViewModel.settingsStore.fiatCurrency.toString() +
' ' +
description.historicalFiatRate!.toStringAsFixed(2))
: item.formattedFiatAmount);
return Observer(
builder: (_) => TransactionRow(
onTap: () => Navigator.of(context)
.pushNamed(Routes.transactionDetails, arguments: transaction),
direction: transaction.direction,
formattedDate: DateFormat('HH:mm').format(transaction.date),
formattedAmount: item.formattedCryptoAmount,
formattedFiatAmount: formattedFiatAmount,
isPending: transaction.isPending,
title: item.formattedTitle + item.formattedStatus));
}
if (item is TransactionListItem) {
final transaction = item.transaction;
final historicalFiatValue = dashboardViewModel.getFormattedFiatAmount(transaction);
final formattedFiatValue = historicalFiatValue ??
item.formattedFiatAmount;
return Observer(
builder: (_) => TransactionRow(
onTap: () => Navigator.of(context)
.pushNamed(Routes.transactionDetails, arguments: transaction),
direction: transaction.direction,
formattedDate: DateFormat('HH:mm').format(transaction.date),
formattedAmount: item.formattedCryptoAmount,
formattedFiatAmount: formattedFiatValue,
isPending: transaction.isPending,
isHistoricalRate: historicalFiatValue != null && historicalFiatValue.isNotEmpty,
title: item.formattedTitle + item.formattedStatus));
}
if (item is AnonpayTransactionListItem) {
final transactionInfo = item.transaction;

85
lib/src/screens/dashboard/widgets/transaction_raw.dart
View file

@ -12,7 +12,8 @@ class TransactionRow extends StatelessWidget {
required this.formattedFiatAmount,
required this.isPending,
required this.title,
required this.onTap});
required this.onTap,
this.isHistoricalRate = false});
final VoidCallback onTap;
final TransactionDirection direction;
@ -20,6 +21,7 @@ class TransactionRow extends StatelessWidget {
final String formattedAmount;
final String formattedFiatAmount;
final bool isPending;
final bool isHistoricalRate;
final String title;
@override
@ -38,48 +40,53 @@ class TransactionRow extends StatelessWidget {
width: 36,
decoration: BoxDecoration(
shape: BoxShape.circle,
color: Theme.of(context).extension<TransactionTradeTheme>()!.rowsColor
),
child: Image.asset(
direction == TransactionDirection.incoming
? 'assets/images/down_arrow.png'
: 'assets/images/up_arrow.png'),
color: Theme.of(context).extension<TransactionTradeTheme>()!.rowsColor),
child: Image.asset(direction == TransactionDirection.incoming
? 'assets/images/down_arrow.png'
: 'assets/images/up_arrow.png'),
),
SizedBox(width: 12),
Expanded(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: <Widget>[
Text(title,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
color: Theme.of(context).extension<DashboardPageTheme>()!.textColor)),
Text(formattedAmount,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
color: Theme.of(context).extension<DashboardPageTheme>()!.textColor))
]),
SizedBox(height: 5),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: <Widget>[
Text(formattedDate,
style: TextStyle(
fontSize: 14,
color: Theme.of(context).extension<CakeTextTheme>()!.dateSectionRowColor)),
Text(formattedFiatAmount,
style: TextStyle(
fontSize: 14,
color: Theme.of(context).extension<CakeTextTheme>()!.dateSectionRowColor))
])
],
)
)
mainAxisSize: MainAxisSize.min,
children: [
Row(mainAxisAlignment: MainAxisAlignment.spaceBetween, children: <Widget>[
Text(title,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
color: Theme.of(context).extension<DashboardPageTheme>()!.textColor)),
Text(formattedAmount,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
color: Theme.of(context).extension<DashboardPageTheme>()!.textColor))
]),
SizedBox(height: 5),
Row(mainAxisAlignment: MainAxisAlignment.spaceBetween, children: <Widget>[
Text(formattedDate,
style: TextStyle(
fontSize: 14,
color:
Theme.of(context).extension<CakeTextTheme>()!.dateSectionRowColor)),
Row(
children: [
Text(formattedFiatAmount,
style: TextStyle(
fontSize: 14,
color: Theme.of(context)
.extension<CakeTextTheme>()!
.dateSectionRowColor)),
if (isHistoricalRate)
Icon(Icons.history,
size: 14,
color:
Theme.of(context).extension<CakeTextTheme>()!.dateSectionRowColor)
],
),
])
],
))
],
),
));

18
lib/src/screens/settings/display_settings_page.dart
View file

@ -47,6 +47,24 @@ class DisplaySettingsPage extends BasePage {
_displaySettingsViewModel.setShowHistoricalFiatAmount(value);
},
),
//if (!isHaven) it does not work correctly
if (!_displaySettingsViewModel.disabledFiatApiMode)
SettingsPickerCell<FiatCurrency>(
title: S.current.settings_currency,
searchHintText: S.current.search_currency,
items: FiatCurrency.all,
selectedItem: _displaySettingsViewModel.fiatCurrency,
onItemSelected: (FiatCurrency currency) =>
_displaySettingsViewModel.setFiatCurrency(currency),
images: FiatCurrency.all
.map((e) => Image.asset("assets/images/flags/${e.countryCode}.png"))
.toList(),
isGridView: true,
matchingCriteria: (FiatCurrency currency, String searchText) {
return currency.title.toLowerCase().contains(searchText) ||
currency.fullName.toLowerCase().contains(searchText);
},
),
SettingsPickerCell<String>(
title: S.current.settings_change_language,
searchHintText: S.current.search_language,

102
lib/view_model/dashboard/dashboard_view_model.dart
View file

@ -1,4 +1,3 @@
import 'package:cake_wallet/core/fiat_conversion_service.dart';
import 'package:cake_wallet/entities/exchange_api_mode.dart';
import 'package:cake_wallet/entities/fiat_api_mode.dart';
@ -79,7 +78,7 @@ abstract class DashboardViewModelBase with Store {
required this.settingsStore,
required this.yatStore,
required this.ordersStore,
required this.transactionDescriptionBox,
required this.transactionDescriptionBox,
required this.anonpayTransactionsStore,
required this.sharedPreferences,
required this.keyService})
@ -160,31 +159,6 @@ abstract class DashboardViewModelBase with Store {
final _wallet = wallet;
reaction((_) => settingsStore.fiatCurrency,
(FiatCurrency fiatCurrency) {
_wallet.transactionHistory.transactions.values.forEach((tx) {
_getHistoricalFiatRate(tx);
});
});
reaction((_) => settingsStore.fiatApiMode,
(FiatApiMode fiatApiMode) {
_wallet.transactionHistory.transactions.values.forEach((tx) {
_getHistoricalFiatRate(tx);
});
});
reaction((_) => settingsStore.showHistoricalFiatAmount,
(bool showHistoricalFiatAmount) {
if (showHistoricalFiatAmount) {
_wallet.transactionHistory.transactions.values.forEach((tx) {
_getHistoricalFiatRate(tx);
});
}
});
if (_wallet.type == WalletType.monero) {
subname = monero!.getCurrentAccount(_wallet).label;
@ -204,15 +178,12 @@ abstract class DashboardViewModelBase with Store {
final sortedTransactions = [..._accountTransactions];
sortedTransactions.sort((a, b) => a.date.compareTo(b.date));
transactions = ObservableList.of(sortedTransactions.map((transaction) {
_getHistoricalFiatRate(transaction);
return TransactionListItem(
transaction: transaction,
balanceViewModel: balanceViewModel,
settingsStore: appStore.settingsStore);
}));
} else {
final sortedTransactions = [...wallet.transactionHistory.transactions.values];
sortedTransactions.sort((a, b) => a.date.compareTo(b.date));
@ -222,7 +193,7 @@ abstract class DashboardViewModelBase with Store {
transaction: transaction,
balanceViewModel: balanceViewModel,
settingsStore: appStore.settingsStore);
} ));
}));
}
// TODO: nano sub-account generation is disabled:
@ -243,15 +214,12 @@ abstract class DashboardViewModelBase with Store {
return false;
}
_getHistoricalFiatRate(transaction);
final wallet = _wallet;
if (wallet.type == WalletType.monero) {
return monero!.getTransactionInfoAccountId(transaction) ==
monero!.getCurrentAccount(wallet).id;
}
return true;
});
}
@ -515,7 +483,6 @@ abstract class DashboardViewModelBase with Store {
@action
void _onMoneroTransactionsUpdate(WalletBase wallet) {
transactions.clear();
final _accountTransactions = monero!
@ -538,52 +505,6 @@ abstract class DashboardViewModelBase with Store {
hasSellAction = !isHaven;
}
Future<void> _getHistoricalFiatRate(TransactionInfo transactionInfo) async {
if (FiatApiMode.disabled == settingsStore.fiatApiMode
|| !settingsStore.showHistoricalFiatAmount) return;
final description = getTransactionDescription(transactionInfo);
if (description.historicalFiat != settingsStore.fiatCurrency.toString()
|| description.historicalFiatRate == null) {
if (description.key == 0) description.delete();
description.historicalFiatRate = null;
transactionDescriptionBox.put(description.id, description);
final fiat = settingsStore.fiatCurrency;
final historicalFiatRate = await FiatConversionService.fetchHistoricalPrice(
crypto: wallet.currency,
fiat: fiat,
torOnly: settingsStore.fiatApiMode == FiatApiMode.torOnly,
date: transactionInfo.date);
var formattedFiatAmount = 0.0;
switch (wallet.type) {
case WalletType.bitcoin:
case WalletType.litecoin:
formattedFiatAmount = bitcoinAmountToDouble(amount: transactionInfo.amount);
break;
case WalletType.monero:
case WalletType.haven:
formattedFiatAmount = moneroAmountToDouble(amount: transactionInfo.amount);
break;
default:
formattedFiatAmount;
}
description.historicalFiatRaw = settingsStore.fiatCurrency.toString();
if (historicalFiatRate != null) {
final historicalFiatAmountFormatted = formattedFiatAmount * historicalFiatRate;
if (description.key == 0) description.delete();
description.historicalFiatRate = historicalFiatAmountFormatted;
transactionDescriptionBox.put(description.id, description);
} else {
if (description.key == 0) description.delete();
description.historicalFiatRate = null;
transactionDescriptionBox.put(description.id, description);
}
}
}
TransactionDescription getTransactionDescription(TransactionInfo transactionInfo) =>
transactionDescriptionBox.values.firstWhere((val) => val.id == transactionInfo.id,
orElse: () => TransactionDescription(id: transactionInfo.id));
@ -629,6 +550,25 @@ abstract class DashboardViewModelBase with Store {
return affectedWallets;
}
String? getFormattedFiatAmount(TransactionInfo transaction) {
final description = getTransactionDescription(transaction);
if (settingsStore.fiatApiMode == FiatApiMode.disabled) return '';
if (settingsStore.showHistoricalFiatAmount) {
final fiatName = settingsStore.fiatCurrency.toString();
final fiatRate = double.tryParse(description.historicalRates[fiatName] ?? '');
final formattedHistoricalRate = (fiatRate != null && fiatRate < 0.01)
? '$fiatName < 0.01'
: fiatRate != null
? '$fiatName ${fiatRate.toStringAsFixed(2)}'
: '';
return formattedHistoricalRate;
}
return null;
}
Future<ServicesResponse> getServicesStatus() async {
try {
final res = await http.get(Uri.parse("https://service-api.cakewallet.com/v1/active-notices"));

26
lib/view_model/transaction_details_view_model.dart
View file

@ -102,6 +102,16 @@ abstract class TransactionDetailsViewModelBase with Store {
}
}
final description = dashboardViewModel.getTransactionDescription(transactionInfo);
final fiatHistoricalRate = dashboardViewModel.getFormattedFiatAmount(transactionInfo);
if (fiatHistoricalRate != null && fiatHistoricalRate.isNotEmpty) {
final formattedFiatValue = fiatHistoricalRate.split(' ').reversed.join(' ');
items.add(StandartListItem(
title: 'S.current.historical_fiat_amount', value: formattedFiatValue));
}
final type = wallet.type;
items.add(BlockExplorerListItem(
@ -113,8 +123,6 @@ abstract class TransactionDetailsViewModelBase with Store {
} catch (e) {}
}));
final description = dashboardViewModel.getTransactionDescription(transactionInfo);
items.add(TextFieldListItem(
title: S.current.note_tap_to_change,
value: description.note,
@ -128,20 +136,6 @@ abstract class TransactionDetailsViewModelBase with Store {
}
}));
if (settingsStore.showHistoricalFiatAmount &&
description.historicalFiatRate != null &&
description.historicalFiatRate! > 0 && settingsStore.fiatApiMode != FiatApiMode.disabled) {
final index =
items.indexWhere((element) => element.title == S.current.transaction_details_fee);
items.insert(
index + 1,
StandartListItem(
title: 'S.current.historical_fiat_amount',
value: description.historicalFiatRate!.toStringAsFixed(2) +
' ' +
settingsStore.fiatCurrency.toString()));
}
}
final TransactionInfo transactionInfo;