From d2e8b545f1e5287e2b6ef0a05d45cd7c7d33cbc1 Mon Sep 17 00:00:00 2001
From: Ryan Casey <ryepdx@gmail.com>
Date: Wed, 9 Mar 2016 21:30:54 +0000
Subject: [PATCH 1/2] Allow specifiying the gas limit when instantiating a Web3
 provider.

---
 lib/blockchain.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/blockchain.js b/lib/blockchain.js
index 55491da45..f499af64b 100644
--- a/lib/blockchain.js
+++ b/lib/blockchain.js
@@ -15,6 +15,7 @@ Blockchain = function(logger, options) {
   this.blockLogs = {};
   this.coinbase = null;
   this.contracts = {};
+  this.gasLimit = options.gasLimit || '0x2fefd8';
   this.blockHashes = {};
   this.transactions = {};
   this.latest_filter_id = 1;
@@ -92,7 +93,7 @@ Blockchain.prototype.createBlock = function() {
   var block = new Block();
   var parent = this.blocks.length != 0 ? this.blocks[this.blocks.length - 1] : null;
 
-  block.header.gasLimit = '0x2fefd8';
+  block.header.gasLimit = this.gasLimit;
 
   // Ensure we have the right block number for the VM.
   block.header.number = this.toHex(this.blocks.length);

From 5bd48eb36c084d282cfff0020016da598497de93 Mon Sep 17 00:00:00 2001
From: Ryan Casey <ryepdx@gmail.com>
Date: Thu, 10 Mar 2016 00:53:03 +0000
Subject: [PATCH 2/2] Expose engine's stop and start functions.

---
 lib/server.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/server.js b/lib/server.js
index 6b5723168..7d56b8be4 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -188,6 +188,12 @@ Server = {
       },
       send: function() {
         throw new Error("Synchronous requests are not supported.");
+      },
+      start: function() {
+        engine.start();
+      },
+      stop: function() {
+        engine.stop();
       }
     };
   },