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authorlangerhans <[email protected]>2019-06-09 19:49:48 +0200
committerlangerhans <[email protected]>2019-06-09 19:51:03 +0200
commitd278efaccdc45e7155147d2c86a50f193eafdc07 (patch)
tree05cf92afa059fafff80e460c1619edd5bec231b3 /src/uint256.h
parentRevert "Change fPIE to fPIC (#1420)" (#1447) (diff)
parentMark 1.14 ready for release (diff)
downloadarchived-discoin-d278efaccdc45e7155147d2c86a50f193eafdc07.tar.xz
archived-discoin-d278efaccdc45e7155147d2c86a50f193eafdc07.zip
Merge branch '1.14-branding'
Diffstat (limited to 'src/uint256.h')
-rw-r--r--src/uint256.h37
1 files changed, 20 insertions, 17 deletions
diff --git a/src/uint256.h b/src/uint256.h
index 6d016ab16..a92ce07f1 100644
--- a/src/uint256.h
+++ b/src/uint256.h
@@ -1,5 +1,5 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2014 The Bitcoin Core developers
+// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -12,6 +12,7 @@
#include <stdint.h>
#include <string>
#include <vector>
+#include "crypto/common.h"
/** Template base class for fixed-sized opaque blobs. */
template<unsigned int BITS>
@@ -41,9 +42,11 @@ public:
memset(data, 0, sizeof(data));
}
- friend inline bool operator==(const base_blob& a, const base_blob& b) { return memcmp(a.data, b.data, sizeof(a.data)) == 0; }
- friend inline bool operator!=(const base_blob& a, const base_blob& b) { return memcmp(a.data, b.data, sizeof(a.data)) != 0; }
- friend inline bool operator<(const base_blob& a, const base_blob& b) { return memcmp(a.data, b.data, sizeof(a.data)) < 0; }
+ inline int Compare(const base_blob& other) const { return memcmp(data, other.data, sizeof(data)); }
+
+ friend inline bool operator==(const base_blob& a, const base_blob& b) { return a.Compare(b) == 0; }
+ friend inline bool operator!=(const base_blob& a, const base_blob& b) { return a.Compare(b) != 0; }
+ friend inline bool operator<(const base_blob& a, const base_blob& b) { return a.Compare(b) < 0; }
std::string GetHex() const;
void SetHex(const char* psz);
@@ -75,19 +78,27 @@ public:
return sizeof(data);
}
- unsigned int GetSerializeSize(int nType, int nVersion) const
+ uint64_t GetUint64(int pos) const
{
- return sizeof(data);
+ const uint8_t* ptr = data + pos * 8;
+ return ((uint64_t)ptr[0]) | \
+ ((uint64_t)ptr[1]) << 8 | \
+ ((uint64_t)ptr[2]) << 16 | \
+ ((uint64_t)ptr[3]) << 24 | \
+ ((uint64_t)ptr[4]) << 32 | \
+ ((uint64_t)ptr[5]) << 40 | \
+ ((uint64_t)ptr[6]) << 48 | \
+ ((uint64_t)ptr[7]) << 56;
}
template<typename Stream>
- void Serialize(Stream& s, int nType, int nVersion) const
+ void Serialize(Stream& s) const
{
s.write((char*)data, sizeof(data));
}
template<typename Stream>
- void Unserialize(Stream& s, int nType, int nVersion)
+ void Unserialize(Stream& s)
{
s.read((char*)data, sizeof(data));
}
@@ -119,19 +130,11 @@ public:
* used when the contents are considered uniformly random. It is not appropriate
* when the value can easily be influenced from outside as e.g. a network adversary could
* provide values to trigger worst-case behavior.
- * @note The result of this function is not stable between little and big endian.
*/
uint64_t GetCheapHash() const
{
- uint64_t result;
- memcpy((void*)&result, (void*)data, 8);
- return result;
+ return ReadLE64(data);
}
-
- /** A more secure, salted hash function.
- * @note This hash is not stable between little and big endian.
- */
- uint64_t GetHash(const uint256& salt) const;
};
/* uint256 from const char *.