Finish candleloader on empty data, fix #2457

core/tools/candleLoader.js

@@ -78,7 +78,7 @@ const handleCandles = (err, data) => {
     util.die('Encountered an error..')
   }
 
-  if(_.size(data) && _.last(data).start >= toUnix)
+  if(_.size(data) && _.last(data).start >= toUnix || iterator.from.unix() >= toUnix)
     DONE = true;
 
   batcher.write(data);
@@ -97,4 +97,4 @@ const handleCandles = (err, data) => {
 
 const handleBatchedCandles = candle => {
   result.push(candle);
-}
+}

core/workers/loadCandles/child.js

@@ -21,4 +21,8 @@ process.send('ready');
 process.on('message', (m) => {
   if(m.what === 'start')
     start(m.config, m.candleSize, m.daterange);
-});
+});
+
+process.on('disconnect', function() {
+  process.exit(0);
+})

core/workers/loadCandles/parent.js

@@ -56,7 +56,7 @@ module.exports = (config, callback) => {
 
     // else we are done and have candles!
     done(null, m);
-    child.kill('SIGINT');
+    this.disconnect();
   });
 
   child.on('exit', code => {