Improve consistency of interface

lib/Pool.ts

@@ -1,9 +1,7 @@
-import {Relay} from "./Relay"
-
-const normalizeUrl = url => url.replace(/\/+$/, "").toLowerCase().trim()
+import {Socket} from "./util/Socket"
 
 export class Pool {
-  relays: Map<string, Relay>
+  relays: Map<string, Socket>
   constructor() {
     this.relays = new Map()
     this.interval = setInterval(() => {
@@ -13,17 +11,13 @@ export class Pool {
     }, 30_000)
   }
   add(url) {
-    url = normalizeUrl(url)
-
     if (!this.relays.has(url)) {
-      this.relays.set(url, new Relay(url))
+      this.relays.set(url, new Socket(url))
     }
 
     return this.relays.get(url)
   }
   remove(url) {
-    url = normalizeUrl(url)
-
     this.relays.get(url)?.disconnect()
     this.relays.delete(url)
   }
@@ -34,11 +28,4 @@ export class Pool {
       this.remove(url)
     }
   }
-  async waitFor(url) {
-    const relay = this.add(url)
-
-    await relay.connect()
-
-    return relay.status === Relay.STATUS.READY ? relay : null
-  }
 }