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wallet: check a key image isn't already present when adding one

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If it is, it points to reuse of a tx key, which isn't meant to happen
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moneromooo-monero 2016-01-31 16:23:54 +00:00
parent b91fc2dc3c
commit b437cef1b0
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GPG Key ID: 686F07454D6CEFC3
1 changed files with 3 additions and 0 deletions
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src/wallet/wallet2.cpp
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@ -335,6 +335,9 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, uint64_
THROW_WALLET_EXCEPTION_IF(in_ephemeral.pub != boost::get<cryptonote::txout_to_key>(tx.vout[o].target).key,
error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key");
THROW_WALLET_EXCEPTION_IF(m_key_images.count(td.m_key_image) > 0,
error::wallet_internal_error, "key image " + epee::string_tools::pod_to_hex(td.m_key_image) + " from received output already exists");
m_key_images[td.m_key_image] = m_transfers.size()-1;
LOG_PRINT_L0("Received money: " << print_money(td.amount()) << ", with tx: " << get_transaction_hash(tx));
if (0 != m_callback)