devp2p -> DPT: added types for DPT ban-list

Author: holgerd77

packages/devp2p/src/dpt/ban-list.ts

@@ -2,24 +2,25 @@ import LRUCache from 'lru-cache'
 import { debug as createDebugLogger } from 'debug'
 import { KBucket } from './kbucket'
 import { formatLogId } from '../util'
+import { PeerInfo } from './dpt'
 
 const debug = createDebugLogger('devp2p:dpt:ban-list')
 const verbose = createDebugLogger('verbose').enabled
 
 export class BanList {
-  private lru: LRUCache<any, boolean>
+  private lru: LRUCache<string, boolean>
   constructor() {
     this.lru = new LRUCache({ max: 30000 }) // 10k should be enough (each peer obj can has 3 keys)
   }
 
-  add(obj: any, maxAge?: number) {
+  add(obj: string | Buffer | PeerInfo, maxAge?: number) {
     for (const key of KBucket.getKeys(obj)) {
       this.lru.set(key, true, maxAge)
       debug(`Added peer ${formatLogId(key, verbose)}, size: ${this.lru.length}`)
     }
   }
 
-  has(obj: any): boolean {
+  has(obj: string | Buffer | PeerInfo): boolean {
     return KBucket.getKeys(obj).some((key: string) => Boolean(this.lru.get(key)))
   }
 }