mirror of
https://github.com/cake-tech/cake_wallet.git
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9590aa25b6
* 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>
81 lines
2.7 KiB
Dart
81 lines
2.7 KiB
Dart
class EVMTransactionErrorFeesHandler {
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EVMTransactionErrorFeesHandler({
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this.balanceWei,
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this.balanceEth,
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this.balanceUsd,
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this.txCostWei,
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this.txCostEth,
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this.txCostUsd,
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this.overshotWei,
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this.overshotEth,
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this.overshotUsd,
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this.error,
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});
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String? balanceWei;
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String? balanceEth;
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String? balanceUsd;
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String? txCostWei;
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String? txCostEth;
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String? txCostUsd;
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String? overshotWei;
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String? overshotEth;
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String? overshotUsd;
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String? error;
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factory EVMTransactionErrorFeesHandler.parseEthereumFeesErrorMessage(
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String errorMessage,
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double assetPriceUsd,
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) {
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// Define Regular Expressions to extract the numerical values
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RegExp balanceRegExp = RegExp(r'balance (\d+)');
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RegExp txCostRegExp = RegExp(r'tx cost (\d+)');
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RegExp overshotRegExp = RegExp(r'overshot (\d+)');
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// Match the patterns in the error message
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Match? balanceMatch = balanceRegExp.firstMatch(errorMessage);
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Match? txCostMatch = txCostRegExp.firstMatch(errorMessage);
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Match? overshotMatch = overshotRegExp.firstMatch(errorMessage);
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// Check if all required values are found
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if (balanceMatch != null && txCostMatch != null && overshotMatch != null) {
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// Extract the numerical strings
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String balanceStr = balanceMatch.group(1)!;
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String txCostStr = txCostMatch.group(1)!;
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String overshotStr = overshotMatch.group(1)!;
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// Parse the numerical strings to BigInt
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BigInt balanceWei = BigInt.parse(balanceStr);
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BigInt txCostWei = BigInt.parse(txCostStr);
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BigInt overshotWei = BigInt.parse(overshotStr);
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// Convert wei to ETH (1 ETH = 1e18 wei)
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double balanceEth = balanceWei.toDouble() / 1e18;
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double txCostEth = txCostWei.toDouble() / 1e18;
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double overshotEth = overshotWei.toDouble() / 1e18;
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// Calculate the USD values
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double balanceUsd = balanceEth * assetPriceUsd;
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double txCostUsd = txCostEth * assetPriceUsd;
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double overshotUsd = overshotEth * assetPriceUsd;
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return EVMTransactionErrorFeesHandler(
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balanceWei: balanceWei.toString(),
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balanceEth: balanceEth.toString().substring(0, 12),
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balanceUsd: balanceUsd.toString().substring(0, 4),
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txCostWei: txCostWei.toString(),
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txCostEth: txCostEth.toString().substring(0, 12),
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txCostUsd: txCostUsd.toString().substring(0, 4),
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overshotWei: overshotWei.toString(),
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overshotEth: overshotEth.toString().substring(0, 12),
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overshotUsd: overshotUsd.toString().substring(0, 4),
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);
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} else {
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// If any value is missing, return an error message
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return EVMTransactionErrorFeesHandler(error: 'Could not parse the error message.');
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}
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}
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}
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