@Override
  public Operation.OperationResult executeFixedCostOperation(
      final MessageFrame frame, final EVM evm) {
    final Address accountAddress = frame.getRecipientAddress();
    final Account account = frame.getWorldUpdater().get(accountAddress);
    frame.pushStackItem(account == null ? Bytes.EMPTY : account.getBalance());

    return successResponse;
  }
Instantiates a new Self balance operation.

@param gasCalculator the gas calculator
evm/src/main/java/org/hyperledger/besu/evm/operation/SelfBalanceOperation.java