From f2c90d45822562aaa9e418c9069a70aaa2b88005 Mon Sep 17 00:00:00 2001
From: jonnybravo0311 <codejockey@gmail.com>
Date: Sun, 11 Dec 2016 15:21:41 -0500
Subject: [PATCH] segwit support

Add commitment to coinbase transaction
---
 lib/transactions.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/transactions.js b/lib/transactions.js
index dc4402c..76cc1e8 100644
--- a/lib/transactions.js
+++ b/lib/transactions.js
@@ -165,7 +165,15 @@ var generateOutputTransactions = function(poolRecipient, recipients, rpcData){
         util.varIntBuffer(poolRecipient.length),
         poolRecipient
     ]));
-
+    
+    if (rpcData.default_witness_commitment !== undefined){
+        witness_commitment = new Buffer(rpcData.default_witness_commitment, 'hex');
+        txOutputBuffers.unshift(Buffer.concat([
+            util.packInt64LE(0),
+            util.varIntBuffer(witness_commitment.length),
+            witness_commitment
+        ]));
+    }
 
     return Buffer.concat([
         util.varIntBuffer(txOutputBuffers.length),