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fix: replace EVM amount parsing logic with parseFixed for improved precision (#2518)

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This commit is contained in:
Konstantin Ullrich
2025-09-11 15:32:44 +03:00
committed by GitHub
parent 2847537588
commit 4aac641f04
1 changed files with 3 additions and 4 deletions
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cw_evm/lib/evm_chain_wallet.dart
+3 -4
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@@ -1,7 +1,6 @@
import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'dart:math';
import 'dart:typed_data';
import 'package:bip32/bip32.dart' as bip32;
@@ -11,6 +10,7 @@ import 'package:cw_core/crypto_currency.dart';
import 'package:cw_core/encryption_file_utils.dart';
import 'package:cw_core/erc20_token.dart';
import 'package:cw_core/node.dart';
import 'package:cw_core/parse_fixed.dart';
import 'package:cw_core/pathForWallet.dart';
import 'package:cw_core/pending_transaction.dart';
import 'package:cw_core/sync_status.dart';
@@ -471,7 +471,6 @@ abstract class EVMChainWalletBase
BigInt totalAmount = BigInt.zero;
BigInt estimatedFeesForTransaction = BigInt.zero;
int exponent = transactionCurrency is Erc20Token ? transactionCurrency.decimal : 18;
num amountToEVMChainMultiplier = pow(10, exponent);
String? contractAddress;
int estimatedGasUnitsForTransaction = 0;
int maxFeePerGasForTransaction = 0;
@@ -491,7 +490,7 @@ abstract class EVMChainWalletBase
final totalOriginalAmount = EVMChainFormatter.parseEVMChainAmountToDouble(
outputs.fold(0, (acc, value) => acc + (value.formattedCryptoAmount ?? 0)));
totalAmount = BigInt.from(totalOriginalAmount * amountToEVMChainMultiplier);
totalAmount = parseFixed(totalOriginalAmount.toString(), exponent);
final gasFeesModel = await calculateActualEstimatedFeeForCreateTransaction(
amount: totalAmount,
@@ -513,7 +512,7 @@ abstract class EVMChainWalletBase
final totalOriginalAmount =
EVMChainFormatter.parseEVMChainAmountToDouble(output.formattedCryptoAmount ?? 0);
totalAmount = BigInt.from(totalOriginalAmount * amountToEVMChainMultiplier);
totalAmount = parseFixed(totalOriginalAmount.toString(), exponent);
}
if (output.sendAll && transactionCurrency is Erc20Token) {