Merge pull request #1 from MineMoneroPRO/MineMoneroPRO-patch-1

Update local_comms.js

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;
+module.exports = Database;