From 7a4b610f3a35ea13c035faa786ff8e6253858abe Mon Sep 17 00:00:00 2001
From: Marcel Laverdet <marcel@laverdet.com>
Date: Wed, 12 Dec 2018 12:43:58 -0600
Subject: [PATCH] Check pathfinder module validity

---
 lib/runtime/make.js | 3 +++
 native/src/main.cc  | 1 +
 2 files changed, 4 insertions(+)

diff --git a/lib/runtime/make.js b/lib/runtime/make.js
index c55e654..fc883bb 100644
--- a/lib/runtime/make.js
+++ b/lib/runtime/make.js
@@ -48,6 +48,9 @@ function initPathFinder(rooms) {
         });
     });
 
+    if (native.version !== 10) {
+        throw new Error('Invalid pathfinder binary');
+    }
     native.loadTerrain(terrainData);
 }
 
diff --git a/native/src/main.cc b/native/src/main.cc
index d0ba64c..ac5bb1d 100644
--- a/native/src/main.cc
+++ b/native/src/main.cc
@@ -53,6 +53,7 @@ namespace screeps {
 extern "C" IVM_DLLEXPORT void InitForContext(v8::Isolate* isolate, v8::Local<v8::Context> context, v8::Local<v8::Object> target) {
 	Nan::Set(target, Nan::New("search").ToLocalChecked(), Nan::GetFunction(Nan::New<v8::FunctionTemplate>(screeps::search)).ToLocalChecked());
 	Nan::Set(target, Nan::New("loadTerrain").ToLocalChecked(), Nan::GetFunction(Nan::New<v8::FunctionTemplate>(screeps::load_terrain)).ToLocalChecked());
+	Nan::Set(target, Nan::New("version").ToLocalChecked(), Nan::New<v8::Number>(10));
 }
 
 NAN_MODULE_INIT(init) {