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blockchain: fix setting non trovial alternate chain as invalid

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The wrong iterator was being used.
Also preincrement iterators to avoid possibly invalidating them,
I'm not sure this is necessary, but let's be safe.
This commit is contained in:
moneromooo-monero
2016-12-08 22:26:27 +00:00
parent 45bb393577
commit dfbb85b6fe
1 changed files with 4 additions and 4 deletions
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8
src/cryptonote_core/blockchain.cpp
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@@ -832,12 +832,12 @@ bool Blockchain::switch_to_alternative_blockchain(std::list<blocks_ext_by_hash::
// looking into.
add_block_as_invalid(ch_ent->second, get_block_hash(ch_ent->second.bl));
LOG_PRINT_L1("The block was inserted as invalid while connecting new alternative chain, block_id: " << get_block_hash(ch_ent->second.bl));
m_alternative_chains.erase(ch_ent);
m_alternative_chains.erase(*alt_ch_iter++);
for(auto alt_ch_to_orph_iter = ++alt_ch_iter; alt_ch_to_orph_iter != alt_chain.end(); alt_ch_to_orph_iter++)
for(auto alt_ch_to_orph_iter = alt_ch_iter; alt_ch_to_orph_iter != alt_chain.end(); )
{
add_block_as_invalid((*alt_ch_iter)->second, (*alt_ch_iter)->first);
m_alternative_chains.erase(*alt_ch_to_orph_iter);
add_block_as_invalid((*alt_ch_to_orph_iter)->second, (*alt_ch_to_orph_iter)->first);
m_alternative_chains.erase(*alt_ch_to_orph_iter++);
}
return false;
}