From a0d2cc598c1578c010f21a81eb003960386bdb2f Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Sun, 5 Mar 2017 14:32:50 -0800
Subject: [PATCH] chaindb: do not use asyncobject.

---
 lib/blockchain/chaindb.js | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/lib/blockchain/chaindb.js b/lib/blockchain/chaindb.js
index af8f717e..a4749789 100644
--- a/lib/blockchain/chaindb.js
+++ b/lib/blockchain/chaindb.js
@@ -8,7 +8,6 @@
 'use strict';
 
 var assert = require('assert');
-var AsyncObject = require('../utils/asyncobject');
 var util = require('../utils/util');
 var BufferReader = require('../utils/reader');
 var StaticWriter = require('../utils/staticwriter');
@@ -51,8 +50,6 @@ function ChainDB(chain) {
   if (!(this instanceof ChainDB))
     return new ChainDB(chain);
 
-  AsyncObject.call(this);
-
   this.chain = chain;
   this.options = chain.options;
   this.network = this.options.network;
@@ -69,8 +66,6 @@ function ChainDB(chain) {
   this.cacheHeight = new LRU(this.options.entryCache);
 }
 
-util.inherits(ChainDB, AsyncObject);
-
 /**
  * Database layout.
  * @type {Object}
@@ -81,11 +76,10 @@ ChainDB.layout = layout;
 /**
  * Open the chain db, wait for the database to load.
  * @method
- * @alias ChainDB#open
  * @returns {Promise}
  */
 
-ChainDB.prototype._open = co(function* open() {
+ChainDB.prototype.open = co(function* open() {
   var state;
 
   this.logger.info('Opening ChainDB...');
@@ -129,11 +123,10 @@ ChainDB.prototype._open = co(function* open() {
 
 /**
  * Close the chain db, wait for the database to close.
- * @alias ChainDB#close
  * @returns {Promise}
  */
 
-ChainDB.prototype._close = function close() {
+ChainDB.prototype.close = function close() {
   return this.db.close();
 };