protocol: add a sanity check to the number of block hashes sent
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@ -93,6 +93,7 @@
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#define BLOCKS_IDS_SYNCHRONIZING_DEFAULT_COUNT 10000 //by default, blocks ids count in synchronizing
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#define BLOCKS_IDS_SYNCHRONIZING_MAX_COUNT 25000 //max blocks ids count in synchronizing
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#define BLOCKS_SYNCHRONIZING_DEFAULT_COUNT_PRE_V4 100 //by default, blocks count in blocks downloading
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#define BLOCKS_SYNCHRONIZING_DEFAULT_COUNT 20 //by default, blocks count in blocks downloading
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#define BLOCKS_SYNCHRONIZING_MAX_COUNT 2048 //must be a power of 2, greater than 128, equal to SEEDHASH_EPOCH_BLOCKS
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@ -2500,7 +2500,7 @@ skip:
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}
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MDEBUG(context << "first block hash " << arg.m_block_ids.front() << ", last " << arg.m_block_ids.back());
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if (arg.total_height >= CRYPTONOTE_MAX_BLOCK_NUMBER || arg.m_block_ids.size() >= CRYPTONOTE_MAX_BLOCK_NUMBER)
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if (arg.total_height >= CRYPTONOTE_MAX_BLOCK_NUMBER || arg.m_block_ids.size() > BLOCKS_IDS_SYNCHRONIZING_MAX_COUNT)
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{
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LOG_ERROR_CCONTEXT("sent wrong NOTIFY_RESPONSE_CHAIN_ENTRY, with total_height=" << arg.total_height << " and block_ids=" << arg.m_block_ids.size());
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drop_connection(context, false, false);
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