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Bugfix: avoid sub-cent change (lost in fees) whenever possible
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parent
6665aca024
commit
a14bf1946d
24
main.cpp
24
main.cpp
@ -3750,16 +3750,16 @@ bool SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfTheirs, set<
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int64 n = pcoin->GetCredit();
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if (n <= 0)
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continue;
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if (n < nTargetValue)
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{
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vValue.push_back(make_pair(n, pcoin));
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nTotalLower += n;
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}
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else if (n == nTargetValue)
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if (n == nTargetValue)
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{
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setCoinsRet.insert(pcoin);
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return true;
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}
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else if (n < nTargetValue + CENT)
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{
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vValue.push_back(make_pair(n, pcoin));
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nTotalLower += n;
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}
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else if (n < nLowestLarger)
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{
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nLowestLarger = n;
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@ -3768,7 +3768,14 @@ bool SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfTheirs, set<
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}
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}
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if (nTotalLower < nTargetValue)
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if (nTotalLower == nTargetValue || nTotalLower == nTargetValue + CENT)
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{
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for (int i = 0; i < vValue.size(); ++i)
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setCoinsRet.insert(vValue[i].second);
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return true;
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}
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if (nTotalLower < nTargetValue + (pcoinLowestLarger ? CENT : 0))
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{
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if (pcoinLowestLarger == NULL)
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return false;
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@ -3776,6 +3783,9 @@ bool SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfTheirs, set<
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return true;
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}
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if (nTotalLower >= nTargetValue + CENT)
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nTargetValue += CENT;
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// Solve subset sum by stochastic approximation
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sort(vValue.rbegin(), vValue.rend());
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vector<char> vfIncluded;
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