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wallet2: reinstate the single preferred output selection 

Removing it nullified the min-outputs-{count,value} system,
and will not increase the number of attempted transactions
in the general case.
This commit is contained in:
moneromooo-monero 2017-12-16 12:29:21 +00:00
parent f51bac990e
commit aaae94f00b
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1 changed files with 13 additions and 1 deletions
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14
src/wallet/wallet2.cpp
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@ -4827,7 +4827,19 @@ std::vector<size_t> wallet2::pick_preferred_rct_inputs(uint64_t needed_money, ui
LOG_PRINT_L2("pick_preferred_rct_inputs: needed_money " << print_money(needed_money));
// try to find two outputs
// try to find a rct input of enough size
for (size_t i = 0; i < m_transfers.size(); ++i)
{
const transfer_details& td = m_transfers[i];
if (!td.m_spent && td.is_rct() && td.amount() >= needed_money && is_transfer_unlocked(td) && td.m_subaddr_index.major == subaddr_account && subaddr_indices.count(td.m_subaddr_index.minor) == 1)
{
LOG_PRINT_L2("We can use " << i << " alone: " << print_money(td.amount()));
picks.push_back(i);
return picks;
}
}
// then try to find two outputs
// this could be made better by picking one of the outputs to be a small one, since those
// are less useful since often below the needed money, so if one can be used in a pair,
// it gets rid of it for the future