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blockchain: skip checking tx semantics in embedded block hash range

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If the txes are bad, this'll be picked up by the block hash mismatch
since the tx merkle root is part of the block hash.
This commit is contained in:
moneromooo-monero 2017-07-30 09:45:55 +01:00
parent ab594cfee9
commit 5d91b26c0f
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GPG key ID: 686F07454D6CEFC3
3 changed files with 17 additions and 1 deletions
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9
src/cryptonote_core/blockchain.cpp
View file

@ -4154,6 +4154,15 @@ void Blockchain::load_compiled_in_block_hashes()
}
#endif
bool Blockchain::is_within_compiled_block_hash_area(uint64_t height) const
{
#if defined(PER_BLOCK_CHECKPOINT)
return height < m_blocks_hash_check.size();
#else
return false;
#endif
}
void Blockchain::lock()
{
m_blockchain_lock.lock();

3
src/cryptonote_core/blockchain.h
View file

@ -865,6 +865,9 @@ namespace cryptonote
cryptonote::blobdata get_txpool_tx_blob(const crypto::hash& txid) const;
bool for_all_txpool_txes(std::function<bool(const crypto::hash&, const txpool_tx_meta_t&, const cryptonote::blobdata*)>, bool include_blob = false) const;
bool is_within_compiled_block_hash_area(uint64_t height) const;
bool is_within_compiled_block_hash_area() const { return is_within_compiled_block_hash_area(m_db->height()); }
void lock();
void unlock();

6
src/cryptonote_core/cryptonote_core.cpp
View file

@ -564,7 +564,11 @@ namespace cryptonote
rv.outPk[n].dest = rct::pk2rct(boost::get<txout_to_key>(tx.vout[n].target).key);
}
if(!check_tx_semantic(tx, keeped_by_block))
if (keeped_by_block && get_blockchain_storage().is_within_compiled_block_hash_area())
{
MTRACE("Skipping semantics check for tx kept by block in embedded hash area");
}
else if(!check_tx_semantic(tx, keeped_by_block))
{
LOG_PRINT_L1("WRONG TRANSACTION BLOB, Failed to check tx " << tx_hash << " semantic, rejected");
tvc.m_verifivation_failed = true;