wallet: sum ancestors rather than taking max in output groups

This commit is contained in:
Karl-Johan Alm 2018-07-31 04:42:41 +09:00
parent 4d550ffab6
commit 23fbbb100f
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GPG key ID: 5474FBF5227BEFAD

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@ -299,12 +299,12 @@ void OutputGroup::Insert(const CInputCoin& output, int depth, bool from_me, size
m_from_me &= from_me;
m_value += output.effective_value;
m_depth = std::min(m_depth, depth);
// m_ancestors is currently the max ancestor count for all coins in the group; however, this is
// not ideal, as a wallet will consider e.g. thirty 2-ancestor coins as having two ancestors,
// when in reality it has 60 ancestors.
m_ancestors = std::max(m_ancestors, ancestors);
// m_descendants is the count as seen from the top ancestor, not the descendants as seen from the
// coin itself; thus, this value is accurate
// ancestors here express the number of ancestors the new coin will end up having, which is
// the sum, rather than the max; this will overestimate in the cases where multiple inputs
// have common ancestors
m_ancestors += ancestors;
// descendants is the count as seen from the top ancestor, not the descendants as seen from the
// coin itself; thus, this value is counted as the max, not the sum
m_descendants = std::max(m_descendants, descendants);
effective_value = m_value;
}