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Preserve the shuffled order of coins with equal value to give more randomized coin selection.

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This commit is contained in:
Chris Moore 2012-04-07 12:45:39 -07:00 committed by Luke Dashjr
parent 4ce190a015
commit d650f96d5f
1 changed files with 10 additions and 1 deletions
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11
src/wallet.cpp
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@ -17,6 +17,15 @@ using namespace std;
// mapWallet
//
struct CompareValueOnly
{
bool operator()(const pair<int64, pair<const CWalletTx*, unsigned int> >& t1,
const pair<int64, pair<const CWalletTx*, unsigned int> >& t2) const
{
return t1.first < t2.first;
}
};
CPubKey CWallet::GenerateNewKey()
{
bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets
@ -980,7 +989,7 @@ bool CWallet::SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfThe
nTargetValue += CENT;
// Solve subset sum by stochastic approximation
sort(vValue.rbegin(), vValue.rend());
sort(vValue.rbegin(), vValue.rend(), CompareValueOnly());
vector<char> vfIncluded;
vector<char> vfBest(vValue.size(), true);
int64 nBest = nTotalLower;