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Add more guards to amounts being zero or infinity (#3612)

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* Add more guards to amounts being zero or infinity

* Add more guards to amounts being zero or infinity
This commit is contained in:
Omar Hatem
2026-09-12 18:59:00 +02:00
committed by GitHub
parent 8d75c3f0c3
commit 3bb64b71ac
9 changed files with 179 additions and 11 deletions
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lib/view_model/send/output.dart
+14 -3
View File
@@ -338,10 +338,21 @@ abstract class OutputBase with Store {
? CryptoCurrency.btc
: cryptoCurrencyHandler();
final price = _fiatConversationStore.prices[cryptoCurrency];
if (price == null || !price.isFinite || price <= 0) {
printV('_updateCryptoAmount: invalid fiat rate $price for $cryptoCurrency');
cryptoAmount = '';
return;
}
final decimals = min(20, cryptoCurrencyHandler().decimals);
final crypto = (double.parse(fiatAmount.replaceAll(',', '.')) /
_fiatConversationStore.prices[cryptoCurrency]!)
.toStringAsFixed(decimals);
final rawCrypto = double.parse(fiatAmount.replaceAll(',', '.')) / price;
if (!rawCrypto.isFinite) {
cryptoAmount = '';
return;
}
final crypto = rawCrypto.toStringAsFixed(decimals);
if (cryptoAmount != crypto) cryptoAmount = crypto;
} catch (e) {
lib/view_model/send/send_view_model.dart
+15 -3
View File
@@ -54,6 +54,7 @@ import 'package:cake_wallet/view_model/unspent_coins/unspent_coins_list_view_mod
import 'package:cake_wallet/wownero/wownero.dart';
import 'package:cake_wallet/zano/zano.dart';
import 'package:cake_wallet/zcash/zcash.dart';
import 'package:cw_core/amount/amount_sanitizer.dart';
import 'package:cw_core/amount/money.dart';
import 'package:cw_core/crypto_currency.dart';
import 'package:cw_core/currency_for_wallet_type.dart';
@@ -882,7 +883,11 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
final fee = actualFee > 0 ? actualFee : 0.0005;
final fromCurrency = trade.from ?? CryptoCurrency.sol;
final amount = Money.tryParse(trade.amount, fromCurrency) ?? Money.zero(fromCurrency);
final amount = Money.tryParse(
trade.amount.sanitized(),
fromCurrency,
strictParsing: false,
) ?? Money.zero(fromCurrency);
pendingTransaction = await solana!.signAndPrepareJupiterSwapTransaction(
wallet,
@@ -920,8 +925,15 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
final bool isTradeTx = trade != null && provider != null;
if (isTradeTx) {
final tradeAmountDouble = double.tryParse(trade.amount) ?? 0.0;
if (tradeAmountDouble <= 0) throw Exception('Trade amount must be greater than 0');
final tradeAmountMoney = Money.tryParse(
trade.amount.sanitized(),
trade.from ?? selectedCryptoCurrency,
strictParsing: false,
);
if (tradeAmountMoney == null || tradeAmountMoney.sign <= 0) {
throw Exception('Trade amount must be greater than 0');
}
final tradeAmountDouble = double.tryParse(tradeAmountMoney.toString()) ?? 0.0;
if (trade.isSendAll == true) {
if (provider is NearIntentsExchangeProvider) {