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Deuro Savings Error Handling (#2340)

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* feat(deuro): Enhance gas fee handling and error management for Deuro Savings Transactions.

This change:
- Introduces DeuroGasFeeException to handle insufficient ETH for gas fees.
- Adds check for ETH balance before savings transactions to prevent failures due to insufficient funds.
- Updates savings transaction methods to include error handling.
- Adds UI feedback for transaction failures in DEuroSavingsPage.

* Fix conflicts

* Update cw_ethereum/lib/deuro/deuro_savings.dart

Co-authored-by: Konstantin Ullrich <konstantinullrich12@gmail.com>

---------

Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>
Co-authored-by: Konstantin Ullrich <konstantinullrich12@gmail.com>
This commit is contained in:
David Adegoke 2025-06-27 15:53:46 +01:00 • committed by GitHub
parent b3c20a5818
commit 5aeb6b7522
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4 changed files with 186 additions and 59 deletions
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29
cw_evm/lib/evm_chain_exceptions.dart
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@ -22,3 +22,32 @@ class EVMChainTransactionFeesException implements Exception {
@override
String toString() => exceptionMessage;
}
class DeuroGasFeeException implements Exception {
final String exceptionMessage;
final BigInt? requiredGasFee;
final BigInt? currentBalance;
DeuroGasFeeException({
this.requiredGasFee,
this.currentBalance,
}) : exceptionMessage = _buildMessage(requiredGasFee, currentBalance);
static String _buildMessage(BigInt? requiredGasFee, BigInt? currentBalance) {
const baseMessage = 'Insufficient ETH for gas fees.';
const addEthMessage = ' Please add ETH to your wallet to cover transaction fees.';
if (requiredGasFee != null) {
final requiredEth = (requiredGasFee / BigInt.from(10).pow(18)).toStringAsFixed(8);
final balanceInfo = currentBalance != null
? ', Available: ${(currentBalance / BigInt.from(10).pow(18)).toStringAsFixed(8)} ETH'
: '';
return '$baseMessage Required: ~$requiredEth ETH$balanceInfo.$addEthMessage';
}
return '$baseMessage$addEthMessage';
}
@override
String toString() => exceptionMessage;
}