1 files changed, 4 insertions, 0 deletions
diff --git a/lib/main.js b/lib/main.js
index d751f8527..c3ed22f8b 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -387,6 +387,10 @@ web3.setProvider = function(provider) {
     web3.provider.sendQueued();
 };
 
+web3.haveProvider = function() {
+    return !!web3.provider.provider;
+};
+
 var Filter = function(options, impl) {
     this.impl = impl;
     this.callbacks = [];