From b48bd95c8bb624b963a8d3ca9cbc2e5ee52b0bdb Mon Sep 17 00:00:00 2001
From: MineMoneroPRO <root@minemonero.pro>
Date: Fri, 10 Nov 2017 00:18:47 +0300
Subject: [PATCH] Update local_comms.js

fix for #145
---
 lib/local_comms.js | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/lib/local_comms.js b/lib/local_comms.js
index 5955893..4d0b213 100644
--- a/lib/local_comms.js
+++ b/lib/local_comms.js
@@ -581,12 +581,16 @@ function Database(){
         let oldestLockedBlock = this.getOldestLockedBlock();
         async.waterfall([
             function(callback){
-                global.coinFuncs.getBlockHeaderByHash(oldestLockedBlock.hash, (err, result) => {
-                    oldestLockedBlock.height = result.height;
-                    console.log(`Got the oldest block`);
-                    callback(null, oldestLockedBlock);
-                });
-            },
+                if (oldestLockedBlock === null) {
+                    callback(null, oldestLockedBlock)
+                } else {
+                    global.coinFuncs.getBlockHeaderByHash(oldestLockedBlock.hash, (err, result) => {
+                        oldestLockedBlock.height = result.height;
+                        console.log(Got the oldest block);
+                        callback(null, oldestLockedBlock);
+                    });
+                }
+             },
             function(oldestLockedBlock, callback){
                 global.coinFuncs.getLastBlockHeader(function(err, body){
                     if (oldestLockedBlock === null){
@@ -691,4 +695,4 @@ function Database(){
     }, 900000);  // Set DB env reload for every 15 minutes.
 }
 
-module.exports = Database;
\ No newline at end of file
+module.exports = Database;