upgradeCore() Netscript Function ================================ .. js:function:: upgradeCore(i, n) :param number i: Index/Identifier of Hacknet Node. :ref:`See here for details ` :param number n: Number of cores to purchase. Must be positive. Rounded to nearest integer Tries to purchase *n* cores for the specified Hacknet Node. Returns true if it successfully purchases *n* cores for the Hacknet Node or if it purchases some positive amount and the Node reaches its max number of cores. Returns false otherwise. :RAM cost: 0 GB