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mixable transactions must be rct for v3

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This commit is contained in:
moneromooo-monero
2016-07-02 10:02:12 +01:00
parent 1017a75460
commit c2ec6d35b9
4 changed files with 33 additions and 6 deletions
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34
src/cryptonote_core/blockchain.cpp
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@@ -2262,17 +2262,39 @@ bool Blockchain::check_tx_inputs(const transaction& tx, tx_verification_context
if (txin.type() == typeid(txin_to_key))
{
const txin_to_key& in_to_key = boost::get<txin_to_key>(txin);
uint64_t n_outputs = m_db->get_num_outputs(in_to_key.amount);
LOG_PRINT_L2("output size " << print_money(in_to_key.amount) << ": " << n_outputs << " available");
// n_outputs includes the output we're considering
if (n_outputs <= 2)
++n_unmixable;
else
if (in_to_key.amount == 0)
{
// always consider rct inputs mixable. Even if there's not enough rct
// inputs on the chain to mix with, this is going to be the case for
// just a few blocks right after the fork at most
++n_mixable;
}
else
{
uint64_t n_outputs = m_db->get_num_outputs(in_to_key.amount);
LOG_PRINT_L2("output size " << print_money(in_to_key.amount) << ": " << n_outputs << " available");
// n_outputs includes the output we're considering
if (n_outputs <= 2)
++n_unmixable;
else
++n_mixable;
}
if (in_to_key.key_offsets.size() - 1 < mixin)
mixin = in_to_key.key_offsets.size() - 1;
}
}
// for v3, we force txes with all mixable inputs to be rct
if (m_hardfork->get_current_version() >= 3)
{
if (n_unmixable == 0 && tx.version == 1)
{
LOG_PRINT_L1("Tx " << get_transaction_hash(tx) << " is not rct and does not have unmixable inputs");
tvc.m_not_rct = true;
return false;
}
}
if (mixin < 2)
{
if (n_unmixable == 0)