Update with small fixes for the comms system.

lib/local_comms.js

@@ -643,7 +643,7 @@ function Database(){
         cursor.close();
         txn.commit();
         if (highestBlock !== null) {
-            debug("Got the oldest locked block in the system at height: " + highestBlock);
+            debug("Got the oldest locked block in the system at height: " + JSON.stringify(highestBlock));
         } else {
             debug("There are no unlocked blocks in the system.  Woohoo!");
         }
@@ -682,6 +682,12 @@ function Database(){
         let oldestLockedBlock = this.getOldestLockedBlock();
         async.waterfall([
             function(callback){
+                global.coinFuncs.getBlockHeaderByHash(oldestLockedBlock.hash, (err, result) => {
+                    oldestLockedBlock.height = result.height;
+                    callback(oldestLockedBlock);
+                });
+            },
+            function(oldestLockedBlock, callback){
                 global.coinFuncs.getLastBlockHeader(function(err, body){
                     if (oldestLockedBlock === null){
                         /*