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author | AlSzacrel <alszacrel@web.de> | 2014-09-13 02:09:18 +0200 |
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committer | Murch <alszacrel@web.de> | 2015-12-06 23:26:45 +0100 |
commit | 5c03483e26ab414d22ef192691b2336c1bb3cb02 (patch) | |
tree | 9973d4590bb5a20b4c016918cc284a48ea675882 /src/wallet/wallet.cpp | |
parent | 075faaebf2e534265ff8aca015eaf03a8a156f32 (diff) | |
download | bitcoin-5c03483e26ab414d22ef192691b2336c1bb3cb02.tar.xz |
Coinselection prunes extraneous inputs from ApproximateBestSubset
A further pass over the available inputs has been added to ApproximateBestSubset after a candidate set has been found. It will prune any extraneous inputs in the selected subset, in order to decrease the number of input and the resulting change.
Diffstat (limited to 'src/wallet/wallet.cpp')
-rw-r--r-- | src/wallet/wallet.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index d23d54e678..06b77bb9b9 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -1620,6 +1620,19 @@ static void ApproximateBestSubset(vector<pair<CAmount, pair<const CWalletTx*,uns if (nTotal >= nTargetValue) { fReachedTarget = true; + + for (unsigned int i = 0; i < vValue.size(); i++) + { + //The target has been reached, but the candidate set may contain extraneous inputs. + //This iterates over all inputs and deducts any that are included, but smaller + //than the amount nTargetValue is still exceeded by. + if (vfIncluded[i] && (nTotal - vValue[i].first) >= nTargetValue ) + { + vfIncluded[i] = false; + nTotal -= vValue[i].first; + } + } + if (nTotal < nBest) { nBest = nTotal; |