Add hacknet script

servers/home/hacknet.ts

@@ -0,0 +1,90 @@
+import {NS} from "NetscriptDefinitions";
+
+enum Type {
+	newNode = "node",
+	level = "level",
+	ram = "ram",
+	core = "code"
+}
+
+export async function main(ns: NS) {
+	let timeout: number = <number>ns.args[0]
+
+	let nodes = ns.hacknet.numNodes()
+	let costs: {type: Type, cost: number}[] = []
+	while (true) {
+		costs = []
+		// Go through each node and get the cheapest upgrade
+		for (let i = 0; i < nodes; i++) {
+			costs.push(getCheapestCost(ns, i))
+		}
+		// Buy the cheapest upgrade from all nodes
+		let cheapest = Math.min(...costs.map(c => c.cost))
+		// Find the index of the cheapest cost in the list
+		let index = costs.findIndex(c => c.cost === cheapest)
+		// Wait to buy the cheapest upgrade
+		try {
+			await buy(ns, costs[index].type, costs[index].cost, index, timeout)
+		} catch (e) {
+			ns.tprint(e)
+			ns.exit()
+		}
+		// Make sure that the number of nodes is up-to-date
+		nodes = ns.hacknet.numNodes()
+	}
+}
+
+/**
+ * Wait until the player has enough money to buy something
+ * @param ns Global NS object
+ * @param money Amount of money to wait for
+ * @param timeout=-1 Number of seconds to wait before timing out.
+ * @throws Error if the timeout is reached
+ * @note This function will wait forever by default
+ */
+async function waitUntilMoney(ns: NS, money: number, timeout: number = -1) {
+	while (ns.getServerMoneyAvailable("home") < money) {
+		await ns.sleep(1000)
+		if (timeout == 0) {
+			throw new Error("Timed out waiting for money")
+		} else if (timeout > -1) {
+			timeout--;
+		}
+	}
+}
+
+async function buy(ns: NS, type: Type, cost: number, node: number, timeout: number) {
+	await waitUntilMoney(ns, cost, timeout)
+	switch (type) {
+		case Type.newNode:
+			ns.hacknet.purchaseNode()
+			break
+		case Type.level:
+			ns.hacknet.upgradeLevel(node)
+			break
+		case Type.ram:
+			ns.hacknet.upgradeRam(node)
+			break
+		case Type.core:
+			ns.hacknet.upgradeCore(node)
+			break
+	}
+}
+
+function getCheapestCost(ns: NS, node: number) {
+	let nodeCost = ns.hacknet.getPurchaseNodeCost()
+	let levelCost = ns.hacknet.getLevelUpgradeCost(node)
+	let ramCost = ns.hacknet.getRamUpgradeCost(node)
+	let coreCost = ns.hacknet.getCoreUpgradeCost(node)
+	let cheapest = Math.min(nodeCost, levelCost, ramCost, coreCost)
+	switch (cheapest) {
+		case nodeCost:
+			return {type: Type.newNode, cost: nodeCost}
+		case levelCost:
+			return {type: Type.level, cost: levelCost}
+		case ramCost:
+			return {type: Type.ram, cost: ramCost}
+		case coreCost:
+			return {type: Type.core, cost: coreCost}
+	}
+}