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Merge pull request #3531

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eb59f7c5 cryptonote_tx_util: make destinations properly shuffled (stoffu)
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Riccardo Spagni 2018-04-12 13:21:15 +02:00
commit 3c7d7bc324
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GPG Key ID: 55432DF31CCD4FCD
1 changed files with 3 additions and 2 deletions
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5
src/cryptonote_core/cryptonote_tx_utils.cpp
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@ -29,6 +29,7 @@
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#include <unordered_set>
#include <random>
#include "include_base_utils.h"
#include "string_tools.h"
using namespace epee;
@ -316,7 +317,7 @@ namespace cryptonote
// "Shuffle" outs
std::vector<tx_destination_entry> shuffled_dsts(destinations);
std::random_shuffle(shuffled_dsts.begin(), shuffled_dsts.end(), [](unsigned int i) { return crypto::rand<unsigned int>() % i; });
std::shuffle(shuffled_dsts.begin(), shuffled_dsts.end(), std::default_random_engine(crypto::rand<unsigned int>()));
// sort ins by their key image
std::vector<size_t> ins_order(sources.size());
@ -363,7 +364,7 @@ namespace cryptonote
uint64_t summary_outs_money = 0;
//fill outputs
size_t output_index = 0;
for(const tx_destination_entry& dst_entr: destinations)
for(const tx_destination_entry& dst_entr: shuffled_dsts)
{
CHECK_AND_ASSERT_MES(dst_entr.amount > 0 || tx.version > 1, false, "Destination with wrong amount: " << dst_entr.amount);
crypto::key_derivation derivation;