cake_wallet/cw_evm/lib/evm_chain_formatter.dart

import 'dart:math';

class EVMChainFormatter {
  static int _divider = 0;

  static int parseEVMChainAmount(String amount) {
    try {
      final decimalLength = _getDividerForInput(amount);
      _divider = decimalLength;
      return (double.parse(amount) * pow(10, decimalLength)).round();
    } catch (_) {
      return 0;
    }
  }

  static double parseEVMChainAmountToDouble(int amount) {
    try {
      return amount / pow(10, _divider);
    } catch (_) {
      return 0;
    }
  }

  static int _getDividerForInput(String amount) {
    final result = amount.split('.');
    if (result.length > 1) {
      final decimalLength = result[1].length;
      return decimalLength;
    } else {
      return 0;
    }
  }
}