From 5d891489ab7828ad8db15e85bb63e2f13f021a6a Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Tue, 30 Apr 2013 21:56:04 +0200
Subject: Make CPubKey statically allocated

---
 src/hash.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'src/hash.h')

diff --git a/src/hash.h b/src/hash.h
index eaa1780c04..536ab71165 100644
--- a/src/hash.h
+++ b/src/hash.h
@@ -105,15 +105,22 @@ uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=PROTOCOL
     return ss.GetHash();
 }
 
-inline uint160 Hash160(const std::vector<unsigned char>& vch)
+template<typename T1>
+inline uint160 Hash160(const T1 pbegin, const T1 pend)
 {
+    static unsigned char pblank[1];
     uint256 hash1;
-    SHA256(&vch[0], vch.size(), (unsigned char*)&hash1);
+    SHA256((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), (unsigned char*)&hash1);
     uint160 hash2;
     RIPEMD160((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
     return hash2;
 }
 
+inline uint160 Hash160(const std::vector<unsigned char>& vch)
+{
+    return Hash160(vch.begin(), vch.end());
+}
+
 unsigned int MurmurHash3(unsigned int nHashSeed, const std::vector<unsigned char>& vDataToHash);
 
 #endif
-- 
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