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wallet: select part of the fake outs from recent outputs

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25% of the outputs are selected from the last 5 days (if possible),
in order to avoid the common case of sending recently received
outputs again. 25% and 5 days are subject to review later, since
it's just a wallet level change.
This commit is contained in:
moneromooo-monero 2016-09-17 15:45:51 +01:00
parent 34fcfcd7cc
commit 88faec75fe
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GPG key ID: 686F07454D6CEFC3
9 changed files with 92 additions and 32 deletions
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4
src/cryptonote_core/blockchain.cpp
View file

@ -3757,9 +3757,9 @@ bool Blockchain::get_hard_fork_voting_info(uint8_t version, uint32_t &window, ui
return m_hardfork->get_voting_info(version, window, votes, threshold, earliest_height, voting);
}
std::map<uint64_t, uint64_t> Blockchain:: get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked) const
std::map<uint64_t, std::tuple<uint64_t, uint64_t, uint64_t>> Blockchain:: get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked, uint64_t recent_cutoff) const
{
return m_db->get_output_histogram(amounts, unlocked);
return m_db->get_output_histogram(amounts, unlocked, recent_cutoff);
}
#if defined(PER_BLOCK_CHECKPOINT)

3
src/cryptonote_core/blockchain.h
View file

@ -729,10 +729,11 @@ namespace cryptonote
*
* @param amounts optional set of amounts to lookup
* @param unlocked whether to restrict instances to unlocked ones
* @param recent_cutoff timestamp to consider outputs as recent
*
* @return a set of amount/instances
*/
std::map<uint64_t, uint64_t> get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked) const;
std::map<uint64_t, std::tuple<uint64_t, uint64_t, uint64_t>> get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked, uint64_t recent_cutoff) const;
/**
* @brief perform a check on all key images in the blockchain