From 4f281dcefe3867d0e463f283327f7318b1ff7b12 Mon Sep 17 00:00:00 2001
From: Braydon Fuller <braydon@bitpay.com>
Date: Fri, 24 Jul 2015 23:18:14 -0400
Subject: [PATCH] Update chain prevHash cache.

---
 lib/node.js       | 3 +++
 test/node.unit.js | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/node.js b/lib/node.js
index ca0160c6..667fc3db 100644
--- a/lib/node.js
+++ b/lib/node.js
@@ -220,6 +220,9 @@ Node.prototype._syncBitcoind = function() {
         // Populate height
         block.__height = self.chain.tip.__height + 1;
 
+        // Update chain hashes
+        self.chain.cache.hashes[block.hash] = block.prevHash;
+
         // Create indexes
         self.db._onChainAddBlock(block, function(err) {
           if (err) {
diff --git a/test/node.unit.js b/test/node.unit.js
index 97cee6e7..33b447d4 100644
--- a/test/node.unit.js
+++ b/test/node.unit.js
@@ -177,7 +177,10 @@ describe('Bitcoind Node', function() {
           hash: block.prevHash
         },
         saveMetadata: sinon.stub(),
-        emit: sinon.stub()
+        emit: sinon.stub(),
+        cache: {
+          hashes: {}
+        }
       };
       node.db = {
         _onChainAddBlock: function(block, callback) {