Updated sdk to 1.3.0

Signed-off-by: Avior <florian.bouillon@delta-wings.net>

Request.ts

@@ -0,0 +1,51 @@
+import fetch from 'isomorphic-unfetch'
+
+export default class RequestWrapper {
+	private static cache: Array<Request<any>> = []
+
+	public static getRequest<T>(url: string) {
+		let req = this.cache.find((req) => req.url === url) as Request<T>|undefined
+		if (!req) {
+			req = new Request<T>(url)
+			this.cache.push(req)
+		}
+		return req
+	}
+}
+
+export class Request<T = any> {
+	public static ttl = 1000 * 60 * 60 // 1 hour
+	private response?: T
+	private fetched?: Date
+	public url: string // url is public for quick url test
+
+	public constructor(url: string) {
+		this.url = url
+	}
+
+	public async get(): Promise<T> {
+		const now = new Date()
+		if (
+			this.fetched &&
+			this.response &&
+			now.getTime() - this.fetched.getTime() < Request.ttl
+		) {
+			return this.response
+		}
+
+		// Fetch Response
+		try {
+			const resp = await fetch(this.url)
+			if (resp.status !== 200) {
+				throw new Error(`Error request ended with the code (${resp.status})`)
+			}
+			const response = await resp.json()
+			this.response = response
+			this.fetched = now
+			return response
+		} catch (e) {
+			console.error(e)
+			throw new Error('An error occured')
+		}
+	}
+}