first commit

core/workers/pipeline/messageHandlers/backtestHandler.js

@@ -0,0 +1,25 @@
+// Relay the backtest message it when it comes in.
+
+module.exports = done => {
+  let backtest;
+
+  return {
+    message: message => {
+      if(message.type === 'error') {
+        done(message.error);
+      }
+
+      if(message.backtest) {
+        done(null, message.backtest);
+      }
+    },
+    exit: status => {
+      if(status !== 0) {
+        if(backtest)
+          console.error('Child process died after finishing backtest');
+        else
+          done('Child process has died.');
+      }
+    }
+  }
+}