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Safer calcscore implementation

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This commit is contained in:
Evan Duffield 2015-07-24 08:50:10 -07:00
parent c137a204fb
commit 9e65749ff6
1 changed files with 8 additions and 2 deletions
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10
src/masternode.cpp
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@ -159,8 +159,14 @@ uint256 CMasternode::CalculateScore(int mod, int64_t nBlockHeight)
if(!GetBlockHash(hash, nBlockHeight)) return 0; if(!GetBlockHash(hash, nBlockHeight)) return 0;
uint256 hash2 = Hash(BEGIN(hash), END(hash)); CHashWriter ss(SER_GETHASH, PROTOCOL_VERSION);
uint256 hash3 = Hash(BEGIN(hash), END(hash), BEGIN(aux), END(aux)); ss << hash;
uint256 hash2 = ss.GetHash();
CHashWriter ss2(SER_GETHASH, PROTOCOL_VERSION);
ss2 << hash;
ss2 << aux;
uint256 hash3 = ss2.GetHash();
uint256 r = (hash3 > hash2 ? hash3 - hash2 : hash2 - hash3); uint256 r = (hash3 > hash2 ? hash3 - hash2 : hash2 - hash3);