simplify

src/attacker.ts

@@ -58,17 +58,15 @@ const AttackRoutine: AttackStep[] = [
 ];
 
 export class Attacker {
-  address: string;
-  port: number;
-  timeout: number;
   socket: dgram.Socket;
   error: any;
   currentWait: (msg: Buffer, rinfo: any) => void;
 
-  constructor(address: string, port: number, timeout: number) {
-    this.address = address;
-    this.port = port;
-    this.timeout = timeout;
+  constructor(
+    private address: string,
+    private port: number,
+    private timeout: number,
+  ) {
     this.currentWait = null;
     this.error = null;
   }