Git-Mirrors/monero
1
0
Fork 0
mirror of https://github.com/monero-project/monero.git synced 2025-08-09 20:22:21 -04:00
Code Issues Projects Releases Packages Wiki Activity

protocol: more sanity checks in new chain block hashes

Browse source
This commit is contained in:
moneromooo-monero 2020-12-31 21:12:30 +00:00
parent a1eca8ca7e
commit 0aa541b361
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
8 changed files with 90 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

16
src/cryptonote_core/blockchain.cpp
View file

@ -2758,32 +2758,44 @@ void Blockchain::flush_invalid_blocks()
m_invalid_blocks.clear();
}
//------------------------------------------------------------------
bool Blockchain::have_block(const crypto::hash& id) const
bool Blockchain::have_block_unlocked(const crypto::hash& id, int *where) const
{
// WARNING: this function does not take m_blockchain_lock, and thus should only call read only
// m_db functions which do not depend on one another (ie, no getheight + gethash(height-1), as
// well as not accessing class members, even read only (ie, m_invalid_blocks). The caller must
// lock if it is otherwise needed.
LOG_PRINT_L3("Blockchain::" << __func__);
CRITICAL_REGION_LOCAL(m_blockchain_lock);
if(m_db->block_exists(id))
{
LOG_PRINT_L2("block " << id << " found in main chain");
if (where) *where = HAVE_BLOCK_MAIN_CHAIN;
return true;
}
if(m_db->get_alt_block(id, NULL, NULL))
{
LOG_PRINT_L2("block " << id << " found in alternative chains");
if (where) *where = HAVE_BLOCK_ALT_CHAIN;
return true;
}
if(m_invalid_blocks.count(id))
{
LOG_PRINT_L2("block " << id << " found in m_invalid_blocks");
if (where) *where = HAVE_BLOCK_INVALID;
return true;
}
return false;
}
//------------------------------------------------------------------
bool Blockchain::have_block(const crypto::hash& id, int *where) const
{
CRITICAL_REGION_LOCAL(m_blockchain_lock);
return have_block_unlocked(id, where);
}
//------------------------------------------------------------------
bool Blockchain::handle_block_to_main_chain(const block& bl, block_verification_context& bvc, bool notify/* = true*/)
{
LOG_PRINT_L3("Blockchain::" << __func__);