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CW-802: Ethereum enhancements (#1826)

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* fix: Ethereum enhancements around fees and computations relating to signing and sending transactions

* feat: Add nownodes key for evm to workflow

* feat: Reactivate send all on both eth and polygon wallet types

* fix: Add generic function for updating the node for a wallet type, move ethereum transaction error fees handler to a new file

* fix: Revert podfile.lock

---------

Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>
This commit is contained in:
David Adegoke 2024-12-11 15:45:15 +01:00 • committed by GitHub
parent ed600f9b8b
commit 9590aa25b6
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GPG key ID: B5690EEEBB952194
40 changed files with 346 additions and 35 deletions
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81
lib/entities/evm_transaction_error_fees_handler.dart Normal file
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class EVMTransactionErrorFeesHandler {
EVMTransactionErrorFeesHandler({
this.balanceWei,
this.balanceEth,
this.balanceUsd,
this.txCostWei,
this.txCostEth,
this.txCostUsd,
this.overshotWei,
this.overshotEth,
this.overshotUsd,
this.error,
});
String? balanceWei;
String? balanceEth;
String? balanceUsd;
String? txCostWei;
String? txCostEth;
String? txCostUsd;
String? overshotWei;
String? overshotEth;
String? overshotUsd;
String? error;
factory EVMTransactionErrorFeesHandler.parseEthereumFeesErrorMessage(
String errorMessage,
double assetPriceUsd,
) {
// Define Regular Expressions to extract the numerical values
RegExp balanceRegExp = RegExp(r'balance (\d+)');
RegExp txCostRegExp = RegExp(r'tx cost (\d+)');
RegExp overshotRegExp = RegExp(r'overshot (\d+)');
// Match the patterns in the error message
Match? balanceMatch = balanceRegExp.firstMatch(errorMessage);
Match? txCostMatch = txCostRegExp.firstMatch(errorMessage);
Match? overshotMatch = overshotRegExp.firstMatch(errorMessage);
// Check if all required values are found
if (balanceMatch != null && txCostMatch != null && overshotMatch != null) {
// Extract the numerical strings
String balanceStr = balanceMatch.group(1)!;
String txCostStr = txCostMatch.group(1)!;
String overshotStr = overshotMatch.group(1)!;
// Parse the numerical strings to BigInt
BigInt balanceWei = BigInt.parse(balanceStr);
BigInt txCostWei = BigInt.parse(txCostStr);
BigInt overshotWei = BigInt.parse(overshotStr);
// Convert wei to ETH (1 ETH = 1e18 wei)
double balanceEth = balanceWei.toDouble() / 1e18;
double txCostEth = txCostWei.toDouble() / 1e18;
double overshotEth = overshotWei.toDouble() / 1e18;
// Calculate the USD values
double balanceUsd = balanceEth * assetPriceUsd;
double txCostUsd = txCostEth * assetPriceUsd;
double overshotUsd = overshotEth * assetPriceUsd;
return EVMTransactionErrorFeesHandler(
balanceWei: balanceWei.toString(),
balanceEth: balanceEth.toString().substring(0, 12),
balanceUsd: balanceUsd.toString().substring(0, 4),
txCostWei: txCostWei.toString(),
txCostEth: txCostEth.toString().substring(0, 12),
txCostUsd: txCostUsd.toString().substring(0, 4),
overshotWei: overshotWei.toString(),
overshotEth: overshotEth.toString().substring(0, 12),
overshotUsd: overshotUsd.toString().substring(0, 4),
);
} else {
// If any value is missing, return an error message
return EVMTransactionErrorFeesHandler(error: 'Could not parse the error message.');
}
}
}