fix(core): update

ts/levelcache.classes.cacheentry.ts

@@ -1,20 +1,38 @@
 import * as plugins from './levelcache.plugins';
 
-export interface ICacheEntryConstructorOptions {}
+export interface ICacheEntryConstructorOptions {
+  key?: string;
+  ttl: number;
+  typeInfo?: string;
+  contents: Buffer;
+}
 
 /**
  * a CacheEntry
  */
-export class CacheEntry {
-  public static fromBuffer() {}
-  public static fromString() {}
+export class CacheEntry extends plugins.smartjson.Smartjson implements ICacheEntryConstructorOptions {
+  public static fromStorageJsonString(storageJsonString: string) {
+    return new CacheEntry(plugins.smartjson.parse(storageJsonString));
+  }
 
-  type: 'string' | 'blob';
-  mode: 'complete' | 'stream';
-  keyArg: string;
-  cacheStream: ReadableStream;
-  cacheContents: Buffer;
-  cacheValue: string;
+  @plugins.smartjson.foldDec()
+  public key: string;
 
-  constructor(optionsArg: {}) {}
+  @plugins.smartjson.foldDec()
+  public ttl: number;
+
+  @plugins.smartjson.foldDec()
+  public typeInfo: string;
+  
+  @plugins.smartjson.foldDec()
+  contents: Buffer;
+
+  public toStorageJsonString(): string {
+    return this.foldToJson();
+  }
+
+  constructor(optionsArg: ICacheEntryConstructorOptions) {
+    super();
+    Object.assign(this, optionsArg);
+  }
 }