blockchain: fix block rate check for empty blockchains
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@ -918,8 +918,10 @@ difficulty_type Blockchain::get_difficulty_for_next_block()
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//------------------------------------------------------------------
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//------------------------------------------------------------------
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std::vector<time_t> Blockchain::get_last_block_timestamps(unsigned int blocks) const
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std::vector<time_t> Blockchain::get_last_block_timestamps(unsigned int blocks) const
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{
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{
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std::vector<time_t> timestamps(blocks);
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uint64_t height = m_db->height();
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uint64_t height = m_db->height();
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if (blocks > height)
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blocks = height;
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std::vector<time_t> timestamps(blocks);
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while (blocks--)
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while (blocks--)
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timestamps[blocks] = m_db->get_block_timestamp(height - blocks - 1);
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timestamps[blocks] = m_db->get_block_timestamp(height - blocks - 1);
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return timestamps;
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return timestamps;
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