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blockchain: for v3, require miner tx to have well behaved outs

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This was meant to go in v2, but the miner tx slipped through
the cracks as it doesn't go through the main tx verification
since it doesn't get added to the pool.
This commit is contained in:
moneromooo-monero
2016-03-23 17:56:08 +00:00
parent 97638b1fb7
commit b8527668ff
2 changed files with 13 additions and 3 deletions
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13
src/cryptonote_core/blockchain.cpp
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@@ -948,7 +948,7 @@ bool Blockchain::prevalidate_miner_transaction(const block& b, uint64_t height)
}
//------------------------------------------------------------------
// This function validates the miner transaction reward
bool Blockchain::validate_miner_transaction(const block& b, size_t cumulative_block_size, uint64_t fee, uint64_t& base_reward, uint64_t already_generated_coins, bool &partial_block_reward)
bool Blockchain::validate_miner_transaction(const block& b, size_t cumulative_block_size, uint64_t fee, uint64_t& base_reward, uint64_t already_generated_coins, bool &partial_block_reward, uint8_t version)
{
LOG_PRINT_L3("Blockchain::" << __func__);
//validate reward
@@ -957,6 +957,15 @@ bool Blockchain::validate_miner_transaction(const block& b, size_t cumulative_bl
money_in_use += o.amount;
partial_block_reward = false;
if (version >= 3) {
for (auto &o: b.miner_tx.vout) {
if (!is_valid_decomposed_amount(o.amount)) {
LOG_PRINT_L1("miner tx output " << print_money(o.amount) << " is not a valid decomposed amount");
return false;
}
}
}
std::vector<size_t> last_blocks_sizes;
get_last_n_blocks_sizes(last_blocks_sizes, CRYPTONOTE_REWARD_BLOCKS_WINDOW);
if (!get_block_reward(epee::misc_utils::median(last_blocks_sizes), cumulative_block_size, already_generated_coins, base_reward, get_current_hard_fork_version()))
@@ -2698,7 +2707,7 @@ leave:
TIME_MEASURE_START(vmt);
uint64_t base_reward = 0;
uint64_t already_generated_coins = m_db->height() ? m_db->get_block_already_generated_coins(m_db->height() - 1) : 0;
if(!validate_miner_transaction(bl, cumulative_block_size, fee_summary, base_reward, already_generated_coins, bvc.m_partial_block_reward))
if(!validate_miner_transaction(bl, cumulative_block_size, fee_summary, base_reward, already_generated_coins, bvc.m_partial_block_reward, m_hardfork->get_current_version()))
{
LOG_PRINT_L1("Block with id: " << id << " has incorrect miner transaction");
bvc.m_verifivation_failed = true;