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blockchain: guard against exceptions in add_new_block/children 

Reporter requested credit to be given to Decred
This commit is contained in:
moneromooo-monero 2020-07-06 15:47:57 +00:00
parent a498a1b4ce
commit 0678fc1f97
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GPG Key ID: 686F07454D6CEFC3
1 changed files with 11 additions and 0 deletions
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11
src/cryptonote_core/blockchain.cpp
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@ -4253,6 +4253,9 @@ bool Blockchain::update_next_cumulative_weight_limit(uint64_t *long_term_effecti
//------------------------------------------------------------------
bool Blockchain::add_new_block(const block& bl, block_verification_context& bvc)
{
try
{
LOG_PRINT_L3("Blockchain::" << __func__);
crypto::hash id = get_block_hash(bl);
CRITICAL_REGION_LOCAL(m_tx_pool);//to avoid deadlock lets lock tx_pool for whole add/reorganize process
@ -4280,6 +4283,14 @@ bool Blockchain::add_new_block(const block& bl, block_verification_context& bvc)
rtxn_guard.stop();
return handle_block_to_main_chain(bl, id, bvc);
}
catch (const std::exception &e)
{
LOG_ERROR("Exception at [add_new_block], what=" << e.what());
bvc.m_verifivation_failed = true;
return false;
}
}
//------------------------------------------------------------------
//TODO: Refactor, consider returning a failure height and letting