clearing instances

lib/Blacklist.ts

@@ -7,7 +7,7 @@
 
 interface Signature {
   hash: string;
-  iat: Date;
+  iat: number;
 }
 
 class Blacklist {
@@ -17,15 +17,15 @@ class Blacklist {
     this._signatures = [];
   }
 
-  public clear_before (date: Date):void {
+  public clear (before: number = Number.POSITIVE_INFINITY):void {
     for (let i = this._signatures.length - 1; i >= 0; i--) {
-      if (this._signatures[i].iat < date)
+      if (this._signatures[i].iat < before)
         this._signatures.splice (i, 1);
     }
   }
 
   public add_signature (hash: string):void {
-    this._signatures.push ({ iat: (new Date), hash });
+    this._signatures.push ({ iat: Date.now (), hash });
   }
 
   public remove_signature (hash:string):void {

lib/KeyStore.ts

@@ -144,6 +144,11 @@ class KeyStore {
     }
     this.garbage_collect ();
   }
+
+  public reset_instance (): void {
+    this._instance = to_b58 (random_hex (16), 'hex');
+    this._keys = {};
+  }
 }
 
 const ks: KeyStore = (new KeyStore);