@Override
  public long gasAvailableForChildCall(
      final MessageFrame frame, final long stipend, final boolean transfersValue) {
    if (transfersValue) {
      return stipend + getAdditionalCallStipend();
    } else {
      return stipend;
    }
  }
Returns the additional call stipend for calls with value transfers.

@return the additional call stipend for calls with value transfers
evm/src/main/java/org/hyperledger/besu/evm/gascalculator/FrontierGasCalculator.java