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blockchain: fix setting non trovial alternate chain as invalid 

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
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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;
}