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Calculate Estimated fee and deduct it from the Fiat Amount on "ALL" transactions

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This commit is contained in:
OmarHatem28 2022-08-26 00:05:43 +02:00
parent 0b4acd33af
commit 3f71755fe5
2 changed files with 23 additions and 10 deletions
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4
lib/src/screens/send/widgets/send_card.dart
View file

@ -560,7 +560,9 @@ class SendCardState extends State<SendCard>
reaction((_) => output.fiatAmount, (String amount) { reaction((_) => output.fiatAmount, (String amount) {
if (amount != fiatAmountController.text) { if (amount != fiatAmountController.text) {
fiatAmountController.text = amount; final doubleAmount = double.tryParse(amount) ?? 0;
final doubleFee = double.tryParse(sendViewModel.estimatedFiatFee(sendViewModel.balance)) ?? 0;
fiatAmountController.text = doubleAmount - doubleFee > 0 ? "${doubleAmount - doubleFee}" : "0.00";
} }
}); });

27
lib/view_model/send/send_view_model.dart
View file

@ -1,3 +1,4 @@
import 'package:cake_wallet/core/amount_converter.dart';
import 'package:cake_wallet/entities/balance_display_mode.dart'; import 'package:cake_wallet/entities/balance_display_mode.dart';
import 'package:cake_wallet/entities/transaction_description.dart'; import 'package:cake_wallet/entities/transaction_description.dart';
import 'package:cake_wallet/view_model/dashboard/balance_view_model.dart'; import 'package:cake_wallet/view_model/dashboard/balance_view_model.dart';
@ -83,10 +84,7 @@ abstract class SendViewModelBase with Store {
String get pendingTransactionFiatAmount { String get pendingTransactionFiatAmount {
try { try {
if (pendingTransaction != null) { if (pendingTransaction != null) {
final fiat = calculateFiatAmount( return _calculateFiatAmount(pendingTransaction.amountFormatted);
price: _fiatConversationStore.prices[selectedCryptoCurrency],
cryptoAmount: pendingTransaction.amountFormatted);
return fiat;
} else { } else {
return '0.00'; return '0.00';
} }
@ -99,10 +97,7 @@ abstract class SendViewModelBase with Store {
String get pendingTransactionFeeFiatAmount { String get pendingTransactionFeeFiatAmount {
try { try {
if (pendingTransaction != null) { if (pendingTransaction != null) {
final fiat = calculateFiatAmount( return _calculateFiatAmount(pendingTransaction.feeFormatted);
price: _fiatConversationStore.prices[selectedCryptoCurrency],
cryptoAmount: pendingTransaction.feeFormatted);
return fiat;
} else { } else {
return '0.00'; return '0.00';
} }
@ -111,6 +106,12 @@ abstract class SendViewModelBase with Store {
} }
} }
String _calculateFiatAmount(String cryptoAmount) {
return calculateFiatAmount(
price: _fiatConversationStore.prices[selectedCryptoCurrency],
cryptoAmount: cryptoAmount);
}
FiatCurrency get fiat => _settingsStore.fiatCurrency; FiatCurrency get fiat => _settingsStore.fiatCurrency;
TransactionPriority get transactionPriority => TransactionPriority get transactionPriority =>
@ -159,6 +160,16 @@ abstract class SendViewModelBase with Store {
bool get hasCurrecyChanger => walletType == WalletType.haven; bool get hasCurrecyChanger => walletType == WalletType.haven;
int estimatedFee(String amount) {
return _wallet.calculateEstimatedFee(_settingsStore.priority[_wallet.type], AmountConverter.amountStringToInt(
selectedCryptoCurrency, amount));
}
String estimatedFiatFee(String amount) {
return _calculateFiatAmount(AmountConverter.amountIntToString(
selectedCryptoCurrency, estimatedFee(amount)));
}
final WalletBase _wallet; final WalletBase _wallet;
final SettingsStore _settingsStore; final SettingsStore _settingsStore;
final SendTemplateViewModel sendTemplateViewModel; final SendTemplateViewModel sendTemplateViewModel;