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Ensure m_timestamps has the correct number for computing difficulty.

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This commit is contained in:
Thaer Khawaja 2018-04-29 19:31:40 -07:00
parent 6b9d9f56a1
commit fa0839f2f5
1 changed files with 1 additions and 1 deletions
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src/cryptonote_core/blockchain.cpp
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@ -760,7 +760,7 @@ difficulty_type Blockchain::get_difficulty_for_next_block()
// then when the next block difficulty is queried, push the latest height data and // then when the next block difficulty is queried, push the latest height data and
// pop the oldest one from the list. This only requires 1x read per height instead // pop the oldest one from the list. This only requires 1x read per height instead
// of doing 735 (DIFFICULTY_BLOCKS_COUNT). // of doing 735 (DIFFICULTY_BLOCKS_COUNT).
if (m_timestamps_and_difficulties_height != 0 && ((height - m_timestamps_and_difficulties_height) == 1)) if (m_timestamps_and_difficulties_height != 0 && ((height - m_timestamps_and_difficulties_height) == 1) && m_timestamps.size() >= DIFFICULTY_BLOCKS_COUNT)
{ {
uint64_t index = height - 1; uint64_t index = height - 1;
m_timestamps.push_back(m_db->get_block_timestamp(index)); m_timestamps.push_back(m_db->get_block_timestamp(index));