toGwei function
- String wei
Implementation
BigInt toGwei(String wei) {
final decimals = wei.contains('.') ? wei.split('.')[1].length : 0;
final wei_without_decimals = wei.replaceAll('.', '');
final val = BigInt.parse(wei_without_decimals);
final multiplier = BigInt.from(10).pow(9 - decimals);
return val * multiplier;
}