diff options
Diffstat (limited to 'src/uint256.h')
| -rw-r--r-- | src/uint256.h | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/src/uint256.h b/src/uint256.h index 6e37cd5d46..94a4f7fc30 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. @@ -42,9 +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); @@ -76,19 +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)); } @@ -101,7 +111,6 @@ public: class uint160 : public base_blob<160> { public: uint160() {} - uint160(const base_blob<160>& b) : base_blob<160>(b) {} explicit uint160(const std::vector<unsigned char>& vch) : base_blob<160>(vch) {} }; @@ -113,7 +122,6 @@ public: class uint256 : public base_blob<256> { public: uint256() {} - uint256(const base_blob<256>& b) : base_blob<256>(b) {} explicit uint256(const std::vector<unsigned char>& vch) : base_blob<256>(vch) {} /** A cheap hash function that just returns 64 bits from the result, it can be @@ -125,11 +133,6 @@ public: { 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 *. |