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wallet2: don't store 0 amount outputs, they'll fail to be spent

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It's better to just ignore them, the user does not really need
to know they're here. If the mask is wrong, they'll fail to be
used, and sweeping will fail as it tries to use it.

Reported by Josh Davis.
This commit is contained in:
moneromooo-monero 2019-03-08 15:00:17 +00:00
parent 1d1a02e9f9
commit bc61b5ca95
No known key found for this signature in database
GPG Key ID: 686F07454D6CEFC3
1 changed files with 7 additions and 1 deletions
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8
src/wallet/wallet2.cpp
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@ -1495,11 +1495,17 @@ void wallet2::scan_output(const cryptonote::transaction &tx, bool miner_tx, cons
} }
THROW_WALLET_EXCEPTION_IF(std::find(outs.begin(), outs.end(), i) != outs.end(), error::wallet_internal_error, "Same output cannot be added twice"); THROW_WALLET_EXCEPTION_IF(std::find(outs.begin(), outs.end(), i) != outs.end(), error::wallet_internal_error, "Same output cannot be added twice");
outs.push_back(i);
if (tx_scan_info.money_transfered == 0 && !miner_tx) if (tx_scan_info.money_transfered == 0 && !miner_tx)
{ {
tx_scan_info.money_transfered = tools::decodeRct(tx.rct_signatures, tx_scan_info.received->derivation, i, tx_scan_info.mask, m_account.get_device()); tx_scan_info.money_transfered = tools::decodeRct(tx.rct_signatures, tx_scan_info.received->derivation, i, tx_scan_info.mask, m_account.get_device());
} }
if (tx_scan_info.money_transfered == 0)
{
MERROR("Invalid output amount, skipping");
tx_scan_info.error = true;
return;
}
outs.push_back(i);
THROW_WALLET_EXCEPTION_IF(tx_money_got_in_outs[tx_scan_info.received->index] >= std::numeric_limits<uint64_t>::max() - tx_scan_info.money_transfered, THROW_WALLET_EXCEPTION_IF(tx_money_got_in_outs[tx_scan_info.received->index] >= std::numeric_limits<uint64_t>::max() - tx_scan_info.money_transfered,
error::wallet_internal_error, "Overflow in received amounts"); error::wallet_internal_error, "Overflow in received amounts");
tx_money_got_in_outs[tx_scan_info.received->index] += tx_scan_info.money_transfered; tx_money_got_in_outs[tx_scan_info.received->index] += tx_scan_info.money_transfered;