Merge pull request #20 from noffle/dub_cb

Prevent double callback in getBlocks.
ipfs · Jun 15, 2016 · 26971a6 · 26971a6
2 parents 68bb0c9 + 41e303a
commit 26971a6
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/index.js b/src/index.js
@@ -190,6 +190,7 @@ module.exports = class Bitwap {
       })
     }
 
+    let finished = false
     const finish = (key, err, block) => {
       results[key] = {
         error: err,
@@ -198,7 +199,11 @@ module.exports = class Bitwap {
 
       if (Object.keys(results).length === keys.length) {
         cleanupListeners()
-        cb(results)
+
+        if (!finished) {
+          cb(results)
+        }
+        finished = true
       }
     }