[node] Added agent class, and fixed contract updates

nodejs/lib/agent.ts

@@ -0,0 +1,45 @@
+import { debugLog, send } from './api.ts';
+
+export class Agent {
+	accountId: string;
+	credits: number;
+	headquarters: string;
+	shipCount: number;
+	startingFaction: string;
+	symbol: string;
+	constructor() {
+		this.accountId = "";
+		this.credits = 0;
+		this.headquarters = "";
+		this.shipCount = 0;
+		this.startingFaction = "";
+		this.symbol = "";
+	}
+	set(agent: Agent) {
+		this.accountId = agent.accountId;
+		this.credits = agent.credits;
+		this.headquarters = agent.headquarters;
+		this.shipCount = agent.shipCount;
+		this.startingFaction = agent.startingFaction;
+		this.symbol = agent.symbol;
+	}
+};
+
+let myAgent : Agent = new Agent();
+
+export function getAgent(): Agent {
+	return myAgent;
+}
+
+export async function initAgent(): Promise<void> {
+	const response = await send<Agent>({endpoint: `/my/agent`, page: 1});
+	if (response.error) {
+		debugLog(response);
+		throw response;
+	}
+	myAgent.set(response.data);
+}
+
+export function setAgent(agent: Agent): void {
+	myAgent.set(agent);
+}