Free block buffer memory.

integration/index.js

@@ -78,4 +78,22 @@ describe('Basic Functionality', function() {
     });
   });
 
+  describe.skip('get the chain', function() {
+
+    var heights = [];
+    for (var i = 364599; i >= 0 ; i--) {
+      heights.push(i);
+    }
+
+    heights.forEach(function(height) {
+      it('block at height ' + height, function(done) {
+        bitcoind.getBlock(height, function(err, response) {
+          var block = bitcore.Block.fromBuffer(response);
+          console.log(block.hash);
+          done();
+        });
+      });
+    });
+  });
+
 });

src/bitcoindjs.cc

@@ -906,6 +906,9 @@ async_get_block_after(uv_work_t *req) {
 
     Local<Value> rawNodeBuffer = node::Buffer::New(isolate, data->buffer, data->size);
 
+    delete data->buffer;
+    data->buffer = NULL;
+
     const unsigned argc = 2;
     Local<Value> argv[argc] = {
       Local<Value>::New(isolate, NanNull()),