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blockchain: initialize pow to ff..ff 

as a safety to reject if it somehow does not get initialised
This commit is contained in:
moneromooo-monero 2019-10-10 11:46:39 +00:00
parent bf525793c7
commit 7fcd0b55ea
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GPG Key ID: 686F07454D6CEFC3
1 changed files with 4 additions and 2 deletions
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6
src/cryptonote_core/blockchain.cpp
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@ -1694,7 +1694,8 @@ bool Blockchain::handle_alternative_block(const block& b, const crypto::hash& id
// Check the block's hash against the difficulty target for its alt chain
difficulty_type current_diff = get_next_difficulty_for_alternative_chain(alt_chain, bei);
CHECK_AND_ASSERT_MES(current_diff, false, "!!!!!!! DIFFICULTY OVERHEAD !!!!!!!");
crypto::hash proof_of_work = null_hash;
crypto::hash proof_of_work;
memset(proof_of_work.data, 0xff, sizeof(proof_of_work.data));
if (b.major_version >= RX_BLOCK_VERSION)
{
crypto::hash seedhash = null_hash;
@ -3700,7 +3701,8 @@ leave:
TIME_MEASURE_START(longhash_calculating_time);
crypto::hash proof_of_work = null_hash;
crypto::hash proof_of_work;
memset(proof_of_work.data, 0xff, sizeof(proof_of_work.data));
// Formerly the code below contained an if loop with the following condition
// !m_checkpoints.is_in_checkpoint_zone(get_current_blockchain_height())