From 2866c6e46d36670043a5bcd3f3650f8b797c0145 Mon Sep 17 00:00:00 2001
From: Arthur Britto <ahbritto@gmail.com>
Date: Wed, 13 Jun 2012 15:49:35 -0700
Subject: [PATCH] Add support for hashing uint160.

---
 src/SHAMap.cpp | 11 +++++++++++
 src/SHAMap.h   |  1 +
 2 files changed, 12 insertions(+)

diff --git a/src/SHAMap.cpp b/src/SHAMap.cpp
index c84eec80e0..ac600171e5 100644
--- a/src/SHAMap.cpp
+++ b/src/SHAMap.cpp
@@ -18,16 +18,27 @@
 std::size_t hash_value(const SHAMapNode& mn)
 {
 	std::size_t seed = theApp->getNonceST();
+
 	boost::hash_combine(seed, mn.getDepth());
+
 	return mn.getNodeID().hash_combine(seed);
 }
 
 std::size_t hash_value(const uint256& u)
 {
 	std::size_t seed = theApp->getNonceST();
+
 	return u.hash_combine(seed);
 }
 
+std::size_t hash_value(const uint160& u)
+{
+	std::size_t seed = theApp->getNonceST();
+
+	return u.hash_combine(seed);
+}
+
+
 SHAMap::SHAMap(uint32 seq) : mSeq(seq), mState(Modifying)
 {
 	root = boost::make_shared<SHAMapTreeNode>(mSeq, SHAMapNode(0, uint256()));
diff --git a/src/SHAMap.h b/src/SHAMap.h
index b9090c963d..0588096c7a 100644
--- a/src/SHAMap.h
+++ b/src/SHAMap.h
@@ -78,6 +78,7 @@ public:
 
 extern std::size_t hash_value(const SHAMapNode& mn);
 extern std::size_t hash_value(const uint256& u);
+extern std::size_t hash_value(const uint160& u);
 
 class SHAMapItem
 { // an item stored in a SHAMap