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wallet2: save ring in the ringdb once a tx is created

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Even if it is never relayed, it ensures a daemon supplying
fake outs on demand will never be asked for a set with the
real input being the only intersecting member (only a problem
with people who trust their privacy to some stranger's node,
but it seems to be a massively common thing, even in Monero)
This commit is contained in:
moneromooo-monero 2018-10-27 17:54:57 +00:00
parent 4cbb476cd1
commit 9335d5a297
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1 changed files with 14 additions and 0 deletions
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14
src/wallet/wallet2.cpp
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@ -7258,6 +7258,20 @@ void wallet2::get_outs(std::vector<std::vector<tools::wallet2::get_outs_entry>>
outs.push_back(v);
}
}
// save those outs in the ringdb for reuse
for (size_t i = 0; i < selected_transfers.size(); ++i)
{
const size_t idx = selected_transfers[i];
THROW_WALLET_EXCEPTION_IF(idx >= m_transfers.size(), error::wallet_internal_error, "selected_transfers entry out of range");
const transfer_details &td = m_transfers[idx];
std::vector<uint64_t> ring;
ring.reserve(outs[i].size());
for (const auto &e: outs[i])
ring.push_back(std::get<0>(e));
if (!set_ring(td.m_key_image, ring, false))
MERROR("Failed to set ring for " << td.m_key_image);
}
}
template<typename T>