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wallet2: sanity check rct output distribution from the daemon

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moneromooo-monero 2018-10-22 12:31:42 +00:00
parent 2287fb9fb4
commit 7f0dd094e7
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1 changed files with 7 additions and 1 deletions
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8
src/wallet/wallet2.cpp
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@ -6683,15 +6683,21 @@ void wallet2::get_outs(std::vector<std::vector<tools::wallet2::get_outs_entry>>
uint64_t rct_start_height; uint64_t rct_start_height;
std::vector<uint64_t> rct_offsets; std::vector<uint64_t> rct_offsets;
bool has_rct = false; bool has_rct = false;
uint64_t max_rct_index = 0;
for (size_t idx: selected_transfers) for (size_t idx: selected_transfers)
if (m_transfers[idx].is_rct()) if (m_transfers[idx].is_rct())
{ has_rct = true; break; } {
has_rct = true;
max_rct_index = std::max(max_rct_index, m_transfers[idx].m_global_output_index);
}
const bool has_rct_distribution = has_rct && get_rct_distribution(rct_start_height, rct_offsets); const bool has_rct_distribution = has_rct && get_rct_distribution(rct_start_height, rct_offsets);
if (has_rct_distribution) if (has_rct_distribution)
{ {
// check we're clear enough of rct start, to avoid corner cases below // check we're clear enough of rct start, to avoid corner cases below
THROW_WALLET_EXCEPTION_IF(rct_offsets.size() <= CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE, THROW_WALLET_EXCEPTION_IF(rct_offsets.size() <= CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE,
error::get_output_distribution, "Not enough rct outputs"); error::get_output_distribution, "Not enough rct outputs");
THROW_WALLET_EXCEPTION_IF(rct_offsets.back() <= max_rct_index,
error::get_output_distribution, "Daemon reports suspicious number of rct outputs");
} }
// get histogram for the amounts we need // get histogram for the amounts we need