getCombinedBalance method

int getCombinedBalance(
  1. String unit
)

Calculate combined balance for a specific currency

Implementation

int getCombinedBalance(String unit) {
  return _walletsBalances.values
      .expand((balances) => balances)
      .where((balance) => balance.unit == unit)
      .fold(0, (sum, balance) => sum + balance.amount);
}