protected long cost(final boolean accountIsWarm) {
    return gasCalculator().getExtCodeSizeOperationGasCost()
        + (accountIsWarm
            ? gasCalculator().getWarmStorageReadCost()
            : gasCalculator().getColdAccountAccessCost());
  }
Cost of Ext code size operation.

@param accountIsWarm the account is warm
@return the long
evm/src/main/java/org/hyperledger/besu/evm/operation/ExtCodeSizeOperation.java