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cryptonote_protocol: fix corner case looping asking for same block hashes
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1 changed files with 4 additions and 0 deletions
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@ -1414,6 +1414,10 @@ skip:
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// take out blocks we already have
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// take out blocks we already have
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while (!context.m_needed_objects.empty() && m_core.have_block(context.m_needed_objects.front()))
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while (!context.m_needed_objects.empty() && m_core.have_block(context.m_needed_objects.front()))
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{
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{
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// if we're popping the last hash, record it so we can ask again from that hash,
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// this prevents never being able to progress on peers we get old hash lists from
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if (context.m_needed_objects.size() == 1)
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context.m_last_known_hash = context.m_needed_objects.front();
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context.m_needed_objects.pop_front();
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context.m_needed_objects.pop_front();
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}
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}
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const uint64_t first_block_height = context.m_last_response_height - context.m_needed_objects.size() + 1;
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const uint64_t first_block_height = context.m_last_response_height - context.m_needed_objects.size() + 1;
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